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There are currently no product reviews.
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Thanks for this "hard to find" service manual. This Sony PS212A is a very good turntable that needed to be restored !
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Excellent quality on these manuals. Same as having the original printed manual and incredibly useful when doing a custom install like me. Keep it up on the good work.
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This is an excellent information source. Great quality and tons of info regarding technical service for the Technics SH8065.
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5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
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Thank you very much you are helping me a lot with my preferred hobby!!! this manual of an old TV is going to be very helpful!!!!
You are very honest competent great job very clear and well done!!!!
Matteo
BLOCK DIAGRAM
Antenna
3 1 TU200 Tuner 2 Q200 IF Amp.
IC200 4 Video Sound Det. Det FM AFT Circuit AGC Circuit VR600 Audio Amp. Volume Control IC600 Speaker
7
IC270
5
IC300 Chroma Circuit LCD
Tuning Voltage Generator
6
IC700 Display Control Auto-Tuning Control
Power Supply
VCC2 (4.5±0.02V) VCC7 (25.9~31.3V) VCC6 (10.8~12.0V) VEE1 (�8.5~�7.5V) VEE2 (�19.8~�17.2V)
1 2 3
� Color Tuner: TU200 TEPU5-02 Selects a desired radio wave and changes it to the video IF signal. � Video IF Amp.: Q200 2SC4670 Amplifies the video IF signal output from the tuner TU by 10 times (20 dB). � Video Det./Sound Det./FM Det./AFT/AGC: IC200 M51348FP Eliminates the carrier wave in the video IF signal, and picks up the video signal and the sound IF signal. Also, the sound signal is picked up from the sound IF signal by FM detection. � Audio Amp.: IC600 NJM2070M Sound amplification. � Chroma Circuit: IC300 IR3P90B Generates the tricolor (red, green, and blue) from the video signal. � Display Control/ Auto-Tuning Control : IC700 MSM6770GS Controls the display. � Tuning Voltage Generator: IC270 BA10358F Generates the tuning voltage with the tuning pulse (TU) output from 6.
4 5 6 7
�2�
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