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There are currently no product reviews.
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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
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It was a great experience,instead of purchasing a new Stereo Amplifier ,in just minutes i repaired my old one and that was thaks to the manual I have purchased from you.
Thanks again.
Samuel Alter
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Das ging ja sehr unkompliziert hat bestens geklappt und die Quallität ist auch noch gut.
Vielen Dank dafür.
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Everything okay, thanks a lot. It was a pleasure for me to make a deal with you.
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
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