Richtige Fernseher haben Röhren!

Richtige Fernseher haben Röhren!

In Brief: On this site you will find pictures and information about some of the electronic, electrical and electrotechnical Obsolete technology relics that the Frank Sharp Private museum has accumulated over the years .
Premise: There are lots of vintage electrical and electronic items that have not survived well or even completely disappeared and forgotten.

Or are not being collected nowadays in proportion to their significance or prevalence in their heyday, this is bad and the main part of the death land. The heavy, ugly sarcophagus; models with few endearing qualities, devices that have some over-riding disadvantage to ownership such as heavy weight,toxicity or inflated value when dismantled, tend to be under-represented by all but the most comprehensive collections and museums. They get relegated to the bottom of the wants list, derided as 'more trouble than they are worth', or just forgotten entirely. As a result, I started to notice gaps in the current representation of the history of electronic and electrical technology to the interested member of the public.

Following this idea around a bit, convinced me that a collection of the peculiar alone could not hope to survive on its own merits, but a museum that gave equal display space to the popular and the unpopular, would bring things to the attention of the average person that he has previously passed by or been shielded from. It's a matter of culture. From this, the Obsolete Technology Tellye Web Museum concept developed and all my other things too. It's an open platform for all electrical Electronic TV technology to have its few, but NOT last, moments of fame in a working, hand-on environment. We'll never own Colossus or Faraday's first transformer, but I can show things that you can't see at the Science Museum, and let you play with things that the Smithsonian can't allow people to touch, because my remit is different.

There was a society once that was the polar opposite of our disposable, junk society. A whole nation was built on the idea of placing quality before quantity in all things. The goal was not “more and newer,” but “better and higher" .This attitude was reflected not only in the manufacturing of material goods, but also in the realms of art and architecture, as well as in the social fabric of everyday life. The goal was for each new cohort of children to stand on a higher level than the preceding cohort: they were to be healthier, stronger, more intelligent, and more vibrant in every way.

The society that prioritized human, social and material quality is a Winner. Truly, it is the high point of all Western civilization. Consequently, its defeat meant the defeat of civilization itself.

Today, the West is headed for the abyss. For the ultimate fate of our disposable society is for that society itself to be disposed of. And this will happen sooner, rather than later.

OLD, but ORIGINAL, Well made, Funny, Not remotely controlled............. and not Made in CHINA.

How to use the site:
- If you landed here via any Search Engine, you will get what you searched for and you can search more using the search this blog feature provided by Google. You can visit more posts scrolling the left blog archive of all posts of the month/year,
or you can click on the main photo-page to start from the main page. Doing so it starts from the most recent post to the older post simple clicking on the Older Post button on the bottom of each page after reading , post after post.

You can even visit all posts, time to time, when reaching the bottom end of each page and click on the Older Post button.

- If you arrived here at the main page via bookmark you can visit all the site scrolling the left blog archive of all posts of the month/year pointing were you want , or more simple You can even visit all blog posts, from newer to older, clicking at the end of each bottom page on the Older Post button.
So you can see all the blog/site content surfing all pages in it.

- The search this blog feature provided by Google is a real search engine. If you're pointing particular things it will search IT for you; or you can place a brand name in the search query at your choice and visit all results page by page. It's useful since the content of the site is very large.

Note that if you don't find what you searched for, try it after a period of time; the site is a never ending job !

Every CRT Television saved let revive knowledge, thoughts, moments of the past life which will never return again.........

Many contemporary "televisions" (more correctly named as displays) would not have this level of staying power, many would ware out or require major services within just five years or less and of course, there is that perennial bug bear of planned obsolescence where components are deliberately designed to fail and, or manufactured with limited edition specificities..... and without considering........picture......sound........quality........
..............The bitterness of poor quality is remembered long after the sweetness of todays funny gadgets low price has faded from memory........ . . . . . .....
Don't forget the past, the end of the world is upon us! Pretty soon it will all turn to dust!

Have big FUN ! !
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©2010, 2011, 2012, 2013, 2014 Frank Sharp - You do not have permission to copy photos and words from this blog, and any content may be never used it for auctions or commercial purposes, however feel free to post anything you see here with a courtesy link back, btw a link to the original post here , is mandatory.
All sets and apparates appearing here are property of Engineer Frank Sharp. NOTHING HERE IS FOR SALE !
All posts are presented here for informative, historical and educative purposes as applicable within Fair Use.


Tuesday, November 30, 2010

SABA ULTRACOLOR T56Q52 tc32 TELECOMMANDER CHASSIS TYPE Q110 UNITS VIEW.

















FRAME DEFL. + SYNCH + DRIVE + E/W (VERTIKAL STEUER - MODUL Best.Nr. 7807021200)






























FRAME DEFL. + SYNCH + DRIVE + E/W (VERTIKAL STEUER - MODUL Best.Nr. 7807021200)

FRAME DEFL. WITH: TDA2655 (PHILIPS)

E/W CORRECTION WITH: TDA4610 (Siemens)

SYNCHRONIZATION WITH: TDA2593 (PHILIPS)


TDA2593 SYNCHRO AND HORIZONTAL DEFLECTION CONTROL FOR COLOR TV SET

DESCRIPTION
The TDA2593 isa circuit intended for the horizontal
deflectionof color TVsets, suppliedwith transistors
or SCR’S.

.LINE OSCILLATOR(two levels switching) .PHASE COMPARISON BETWEEN SYNCHRO-
PULSE AND OSCILLATOR VOLTAGE
Ø 1, ENABLED BY AN INTERNAL PULSE,
(better parasitic immunity) .PHASE COMPARISON BETWEEN THE FLYBACK
PULSES AND THE OSCILLATORVOLTAGE
Ø2 .COINCIDENCE DETECTOR PROVIDING A
LARGE HOLD-IN-RANGE .FILTER CHARACTERISTICS AND GATE
SWITCHING FOR VIDEO RECORDER APPLICATION
.NOISE GATED SYNCHRO SEPARATOR .FRAME PULSE SEPARATOR .BLANKING AND SAND CASTLE OUTPUT
PULSES .HORIZONTAL POWER STAGE PHASE LAGGING
CIRCUIT .SWITCHING OF CONTROL OUTPUT PULSE
WIDTH .SEPARATED SUPPLY VOLTAGE OUTPUT
STAGE ALLOWING DIRECT DRIVE OF
SCR’S CIRCUIT .SECURITY CIRCUIT MAKES THE OUTPUT
PULSE SUPPRESSED WHEN LOW SUPPLY
VOLTAGE.


TDA2655 VERTICAL DEFLECTION CIRCUIT

GENERAL DESCRIPTION
The TDA2655 is a monolithic integrated circuit for vertical deflection in colour television receivers
with 110° picture tubes.
Features:
- Synchronization circuit
- Vertical oscillator; 50/60 Hz switch
- Sawtooth generator with buffer stage
- Preamplifier with fedout inputs
- Output stage with termal and shortcircuit protection
- Flyback generator
- Blanking pulse generator with guard circuit
- Voltage stabilizer
- Frequency detector with memory and storage.

VIDEO UNIT (VIDEO- MODUL Best.Nr. 780700100)




































TDA3501 (MATRIX) (PHILIPS)

TDA3510 (LUMINANCE + CHROMINANCE) (PHILIPS)



TDA3501 VIDEO CONTROL COMBINATION:


The TDA3501 is a monolithic integrated circuit performing the control functions in a PAL/SECAM
decoder which additionally comprises the integrated circuits TDA3510 (PAL decoder) and/or
TDA3520 (SECAM decoder).
The required input signals are: luminance and colour difference —(R-Y) and —(B-Y),
while linear RGB signals can be inserted from an external source.
RGB signals are provided at the output to drive the video output stages.
The TDA3501 has the following features:
- capacitive coupling of the input signals
- linear saturation control
- (G-Y) and RGB matrix insertion possibility of linear RGB signals, e.g. video text, video games, picture-in-picture, camera or slidescanner
- equal black level for inserted and matrixed signals by clamping
- 3 identical channels for the RGB signals
- linear contrast and brightness control, operating on both the inserted and matrixed RGB signals
- horizontal and vertical blanking (black and ultra-black respectively) and black-level clamping
obtained via a 3-level sandcastle pulse
- differential amplifiers with feedback-inputs for stabilization of the RGB output stages
- 2 d.c. gain controls for the green and blue output signals (white point adjustment)
- beam current limiting possibility

QUICK REFERENCE DATA
Supply voltage V524 typ. 12 V
Supply current I5 typ. 100 mA
Luminance input signal (peak-to-peak value) V15_24(p_p) typ. 0,45 V
Luminance input resistance R15_24 typ. 12 kfl
Colour difference input signals (peak-to-peak values)
—(B-Y) V1g_24(p_p) typ. 1,33 V
R-Y) V17-24cp-pi tvr>- 1.05 V

Inserted RGB signals (peak-to-peak values) V12,13'-|4_24(p_p) typ. 1 V
Three level sandcastle pulse detector V1Q_24 typ. 2,5/4,5/8,0 V
Control voltage ranges
brightness V2024 I to 3 V
contrast V19_24 2 to 4 V
saturation V16_24 2,1 to 4 V


IF UNIT (BILD-ZF- MODUL Best.Nr. 7807040100)












































TDA2541 IF AMPLIFIER WITH DEMODULATOR AND AFC

DESCRIPTION
The TDA2540 and 2541 are IF amplifier and A.M.
demodulator circuits for colour and black and white
television receivers using PNP or NPN tuners. They
are intended for reception of negative or positive
modulation CCIR standard.
They incorporate the following functions : .Gain controlled amplifier .Synchronous demodulator .White spot inverter .Video preamplifier with noise protection .Switchable AFC .AGC with noise gating .Tuner AGC output (NPN tuner for 2540)-(PNP
tuner for 2541) .VCR switch for video output inhibition (VCR
play back).




.SUPPLY VOLTAGE : 12V TYP
.SUPPLY CURRENT : 50mATYP
.I.F. INPUT VOLTAGE SENSITIVITY AT
F = 38.9MHz : 85mVRMS TYP
.VIDEO OUTPUT VOLTAGE (white at 10% of
top synchro) : 2.7VPP TYP
.I.F. VOLTAGE GAIN CONTROL RANGE :
64dB TYP .SIGNAL TO NOISE RATIO AT VI = 10mV :
58dB TYP
.A.F.C. OUTPUT VOLTAGE SWING FOR
Df = 100kHz : 10V TYP

TUNER UNIT (TUNER- MODUL Best.Nr. 7751100000)
































SOUND+IF UNIT (TON-ZF- MODUL 10W MUSIK Best.Nr. 7825001000)
































TUNING UNIT (TC+NOTBEDIEN+SPEICHER+IR.PRE- MODUL )









DECODER- MODUL:7807030500 WITH SAA1253 (ITT)

NOTBEDIEN- MODUL:7825032100

SPEICHER STEUER- MODUL 3 III:7830030800 WITH SAA1121 + SAA1220 X 2 (ITT) + LM1019 (NATIONAL)


EINBLENDUNG-MODUL:7825030400




SABA ULTRACOLOR T56Q52 tc32 TELECOMMANDER CHASSIS TYPE Q110 Receiver tuning circuit with automatic search and AFC using common capacitor:


Signal-seeking tuning systems are well known for their convenience and ease of operation, especially in the field of radio and television receivers. They are commonly used to provide automatic tuning to the next higher or lower frequency of interest in response to a user-operated initiating mechanism (typically a momentary-contact switch). The advent of solid-state, voltage-dependent variable-reactance devices has permitted substantial improvement in signal-seeking tuning systems because of the consequent elimination of electric motors and other moving parts, thereby increasing efficiency and decreasing the number of malfunctions resulting from mechanical wear, dirt accumulation, and contact corrosion.

The most common type of voltage-dependent variable-reactance device is a diode which has an interelectrode capacitance directly proportional to its reverse-bias voltage, commonly referred to as a "Varicap" or "varactor" diode. By placing one or more such diodes in the frequency-selecting portion of a tuner, station selection may be achieved by progressively increasing or decreasing the voltage applied to the diode(s) until the desired frequency is obtained. Moreover, by combining a varactor-diode tuner with a progressively variable DC control voltage generator, a signal detector, and a feedback control loop, a satisfactory solid-state signal-seeking system may be created.

In conventional signal-seeking systems employing varactor diodes, however, a temporary loss of signal resulting from "airplane flutter," transmitter failure, etc., or even receiver deenergization, varies (or eliminates) the control voltage and/or interrupts the recognition signal from the signal detector and therefore sends the system seeking for a new station. The addition of complex delay circuitry for temporarily maintaining the DC control voltage not only adds appreciable cost to the system but also does not compensate for the loss of control voltage due to receiver deenergization such as when the receiver is turned off for a while.

It is therefore an object of the invention to provide a new and improved signal-seeking system for a voltage-controlled tuner.

It is a more specific object of the invention to provide such a new and improved signal-seeking tuning system which is immune to undesired signal-seeking resulting from a temporary loss of signal or receiver deenergization.

A station finder which switches to automatic frequency control during automatic finding in case of reception of a transmitter and, if desired, continues to find a transmitter some time later with the frequency control switched off.
1. A receiver tuning circuit for a tuner comprising means for detecting the presence of a received signal having an input means for coupling to said tuner; a search tuning circuit having a capacitor means for a tuning voltage for said tuner, and an automatic frequency control circuit coupled to said capacitor, said tuning circuit and said automatic frequency control circuit charging said capacitor when activated; an operating device means coupled to said detecting means and said search tuning circuit for activation of said search tuning circuit and for subsequent deactivation of said search tuning circuit and activation of said automatic frequency control circuit upon detection of a received signal; and time constant circuit means coupled between said detecting means and said operating device means for repeatedly activating said search tuning circuit and deactivating said automatic frequency control circuit a selected time after said search tuning circuit has been deactivated.

2. A receiver tuning circuit as claimed in claim 1, wherein said operating device has a supply lead and the time constant circuit is coupled to the supply lead of the operating device.

3. A receiver tuning circuit as claimed in claim 1, wherein the detection circuit is coupled to an output of a frequency detector and includes a means for preventing pulling in on the same transmitter upon activation of said search tuning circuit.

Description:

The invention relates to a receiver tuning circuit including a search tuning circuit which can be activated by a control device in which the search tuning circuit is automatically switched off when a received station is detected by a detection circuit and an automatic frequency control circuit is switched on, and in which a time constant circuit changes the state of the receiver tuning circuit after a certain time.

A receiver tuning circuit of the kind described above is known from German Offenlegungsschrift 2,023,352 which after activation of the search tuning stops the search action when a transmitter transmitting a pilot signal is received and switches on an automatic frequency control circuit. The search tuning circuit must again be activated when the received transmitter is not desired. When a transmitter without a pilot signal is received, the search tuning circuit switches over to a slowed down searching action and the automatic frequency control remains switched off. The tuning circuit includes a time constant circuit which renders the detection circuit for the pilot signal inactive some time after the finder has been activated so that the circuit can then pull in on transmitters without a pilot signal.

This known tuning circuit is only suitable for special receivers. An object of the invention is to provide a tuning circuit which is more suitable for other receiver types.

To this end a receiver tuning circuit of the kind described in the preamble according to the invention is characterized in that the time constant circuit is incorporated in the tuning circuit in such a manner that again and again it switches on the search tuning circuit a certain time after having automatically switched it off and switches off the automatic frequency control as long as the search tuning circuit is maintained operative with the aid of the operating device.

By using the step according to the invention a receiver is obtained which upon activation of the search tuning circuit receives without distortion transmitter after transmitter each during a time determined by the time constant circuit. The search tuning can be rendered inactive with the aid of the operating device after the desired station has been found. The tuning circuit is very suitable for radio or television receivers for domestic use.



SABA ULTRACOLOR T56Q52 tc32 TELECOMMANDER CHASSIS TYPE Q110 Method and system for increasing the number of instructions transmitted in digital systems, I.A. in systems for remote control of television receiver:ITT VOLTAGE SYNTHESIZER TUNING SEARCH SYSTEM


Method of increasing the number of instructions according to the invention consists therein that withing the command signal (6) additional instructions are transmitted, which after being decoded in the instruction decoder (1) and processed in the strobbin signal generation circuit (4) strobes the operation of additional controlled units (5) and control the transmission of the signal through the register (2) to the controlled units (3).

In the system according to the invention, between one of the outputs od the instruction decoder (1) and the unit (3) to be controlled the register (2) is connected, provided with an additional input for the record inhibiting instruction (10), whereas to the second output of the instruction decoder (1) the strobbing signal generation circuit (4) is connected aimed at controlling the additional controlled units (5). The register (2) and the strobbing signal generation circuit (4), employed in the system according to the invention, can be built-in into each of the integrated circuits or made in form of a separate integrated circuit.


1. A method of increasing the number of instructions transmitted in remote control systems of television receivers and the like in which decoded signals directly control receiving units, comprising transmitting coded instructions in a command signal (6), decoding said instructions into a first part of an instruction signal (8), processing said first part of the instruction signal (8) in a strobing signal generation circuit (4) to provide a first signal (10) in a form for enabling the transmission of a control signal (7) through a register (2) in the form of a stored signal (11) to first receiving units (3) to be controlled while simultaneously providing a second signal (9) in a form for blocking the reception of one of said instruction signal (8) and said control signal (7) by additional receiving units (5) to be controlled, transmitting an additional coded instruction in said command signal, decoding said additional instruction into a second part of the instruction signal (8), processing said second part of the instruction signal (8) in said strobing signal generation circuit (4) to provide said first signal (10) in a form for blocking further storage of said control signal (7) in said register (2) while simultaneously providing said second signal (9) in a form for enabling the reception of said one of said instruction signal (8) and said control signal (7) by said additional receiving units (5) to be controlled, and transmitting a coded erasing instruction in said command signal for restarting the method. 2. A method according to claim 1, wherein the controlling of said additional receiving units (5) by one of said instruction signal (8) and said control signal (7) is performed while controlling said first receiving units (3) by said stored signal (11). 3. A system for increasing the number of instructions transmitted in remote control systems of television receivers and the like, comprising an instruction decoder (1), a first unit (3) to be controlled, a main register (2) connected between a first output of said instruction decoder and said first unit, an additional unit (5) to be controlled, and a strobing generation circuit (4) connected to a second output of said instruction decoder for controlling said additional unit, said additional unit having respective inputs connected to a strobing signal output of said strobing generation circuit and one of said first and second outputs of said instruction decoder. 4. A system according to claim 3, wherein said strobing generation circuit (4) has an inhibiting signal output (10) connected to an input of said main register (2) for inhibiting the storage in said main register of signals received from said first output of said instruction decoder. 5. A system according to claim 3, wherein said strobing generation circuit (4) includes an internal decoder (12), an internal register (14) and an adding gate (25), said internal decoder having outputs (13,15,16,17,18) connected to said internal register, said internal register having outputs (19-22) connected to said additional unit (5) and to said adding gate, said adding gate providing said inhibiting signal output (10) both to said main register (2) and to an inhibit input of said internal register.

Description:

This invention relates to a method and a system making it possible to increase the number of instructions transmitted in systems of remote control of television or radio receivers, and the like.

One of the known remote control systems is a system based on integrated circuits of the firm ITT. Similarly as in other systems, the instructions transmitted remotely are coded by a transmitter, for instance SAA1024, in an electric signal modulating a wave being able to propagate in the environment. In the receiver for instance SAA 1130, the coded electric signal is received and gives at its outputs the completely decoded output information signal and decoded output control signals.

In known application notes of the firm ITT the decoded output control signals control directly the receiving devices SAA1021, SAA1020. The decoder of information transmits also other decoded control signals, for instance analog adjustment signals, turning a signal on the power supply, and other signals necessary for the operation of the system. A certain part of the total number of instructions transmitted in the coded input signal constitutes a group of additional instructions for decoding by an additional instructions decoder controlled by the output signal.

The method of increasing the number of instructions transmitted in digital systems, i.a. in remote control systems of television receivers, according to the invention comprises transmitting in the control signal additional instructions which, on being decoded in an instruction decoder and after processing in a circuit for generating strobing signals, strobe the operation of additional controlled devices and control the transmission of the control signal through a register to main controlled units. In the system according to the invention two variants of operation of the system are distinguished. In the first variant an inhibiting signal coming out of the strobing signal generation circuit enables storage by the register of the real values being decoded, the output control signals, and controls with a suitable signal the main controlled units, while blocking by another suitable signal the additional controlled devices. In the second variant of the method according to the invention, after transmission of the additional instruction in the input signal, the storage inhibiting signal inhibits the register which stores the previous instruction and interruptedly controls the controlled unit, whereby simultaneously another strobing signal enables the additional controlled units to receive the controlling instruction.

In the system according to the invention the controlling of additional units is performed in the course of uninterrupted operation of controlled units.

In the system for increasing the number of instructions transmitted in digital systems, i.a. in remote control systems of television receivers, according to the invention, between one output of the instruction decoder and first controlled units a register is connected, having an additional input for a recording inhibiting signal, whereas to another output of the instruction decoder a strobing signal generation circuit is connected for controlling additional controlled units.

The inputs of the additional controlled units are connected with any outputs of the instruction decoder and with outputs of a register of the strobing circuit. The register and the strobing generation circuit, employed in the system according to the invention, can be built-in in one integrated circuit or may be made in the form of separate integrated circuits.

Referring to the aforementioned system of the firm ITT, the list of instructions thereof comprises 10 instructions used for basic servicing of the television receivers, 16 instructions for program selection and 5 additional instructions. In the method according to the invention, by using all the additional instructions, additionally 5×16 instructions are obtained. The number of all useful instructions in the method according to the invention amounts to 10+16+5×16=106 instructions, and thus by 75 instructions more than it was foreseen by the manufacturer of said systems.

Employing of the method and the system in a simple constructional arrangement enables one to multiply the number of transmitted signals, and simultaneously the number of units to be controlled. With reference to the system of the firm ITT, based on integrated circuits SAA1024, SAA1130, SAA1021, SAA1020, this enables one to employ additionally a teletext, a time programmer, an electronic watch, remote control of a radio receiver, tuning of a second head to observe another program, and other uses that were not possible and not foreseen by the manufacturer of said circuits.

The method and system according to the invention will be now described by means of an exemplary embodiment with reference to the accompanying drawing, wherein:

FIG. 1 is the block diagram of the system, and

FIG. 2 is the connection diagram of the strobing circuit.

The system of an instruction invention consists of the decoder 1, one output of which is connected through a register 2 with units 3 to be controlled. Another output of the instruction decoder 1 is connected with a strobing signal generation system 4 to the output of which is connected an additional controlled unit 5 having inputs connected with either output of the decoder 1.

The strobing circuit 4 is equipped with a decoder 12 an output 13 of which is connected with the clearing input of a register 14, and outputs 15, 16, 17, 18 of which are connected with the recording inputs of the register 14. The registers outputs 19, 20, 21, and 22, however, are connected with the additional unit 5 (FIG. 1) and with an adding gate 23, the output 10 of which is connected with the record inhibiting input of the register 14 and with the record inhibiting input of the register 2.

In the method according to the invention, the control signal 6 received by the instruction decoder 1 is decoded into groups of instructions 7 and 8. The instructions 8 after being processed in the strobing signal generating circuit 4 strobe the operation of additional devices 5 in the form of a signal 9, and in the form of the inhibiting signal 10 they control the operation of the register 2. A part of instructions 8, after processing in the strobbing circuit 4, enables with the signal 10 the transmission of the instructions 7 through the register 2 to the controlled units 3 in the form of the decoded control signal 11. Simultaneously, the decoded instruction 8 blocks with the strobing signal 9 the receiving of instructions 7 or 8 by the additional units 5 to be controlled. After transmitting the additional information from the second part of the instructions 8 in the signal 6, the instruction 8 after processing in the strobing signal generating circuit 4 blocks with the signal 10 the register 2, which stores the previous signal 7 and uninterruptedly controls the units 3 to be controlled, and simultaneously enables the additional controlled units 5 to receive instructions 7 or 8. The transmission of an erasing instruction in the signal 6 causes the return to the previous way of transmission and the turning off of the additional units 5.

The controlling of additional units 5 in the method according to the invention by means of the signal 7 or 8 is performed in the course of uninterrupted controlling of the units 3 by means of the signal 11 from the register 2.


ST-BY SUPPLY UNIT (VERSORGUNGS- MODUL Best.Nr. 7807021400


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