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Service Manual that I received was very helpful to me. Thank you.
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The manual is well organized and is easy to read. The chapters are following normal way to proceed.
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This scanned manual is well done in that most all the pages except for one is straight and clear- the way I would do them. One page was upside down but that happens. For the money that is charged on this site you get a pretty good deal. Now with complex repairs, I still prefer to us paper manuals which I have to buy at stereomanuals but the one I got here was much less than the $45 he was charging but this is a larger than normal manual for three different units. I am a picky manual user because I have used original manuals from Sony and Teac.
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Very useful service manual, was exactly what i needed.Good quality,reasonable price.Thank you.
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Acurate informations inside the SM and I could repair my old Sansui SC-3330 without any problems. Thanks.
HANDSET SECTION
Note: � Apply 3.6 V dc from regurated DC power supply. � Perform the adjustment at TEST1CH (26CH: 43.780 MHz) as a rule. � Set to handset manual test mode. (Refer to page 9) TX SECTION ADJUSTMENT TX VT Adjustment Setting :
digital voltmeter
RX SECTION ADJUSTMENT RX LEVEL Adjustment Note: � Perform the adjustment at TEST1CH (26CH: 43.780 MHz) as a rule. Setting : VOL switch : M
FM RF signal generator
+ �
TP6 (TX VT) TP30 (TX GND)
TP2 TP3 (RX GND) Carrier frequency : 43.780 MHz Modulation : 1 kHz Deviation : FM 3 kHz Output level : 60 dBµV (1 mV) (EMF)
level meter
+ �
Procedure : 1. The digital voltmeter connected TP6 (TX VT) to TP30 (TX GND). 2. Adjust the L52 for 0.9 ± 0.05 V reading on the digital voltmeter. RX VT Adjustment Setting :
digital voltmeter
TP26 (SP) TP27 (SP)
Procedure : 1. Adjust the FL101 for the maximam reading on the level meter. Also check that the output level is the specified values. Specified Value : �9.5 to �15.5 dBV
+ �
TP5 (RX VT) TP3 (RX GND)
RSSI Hi Adjustment Note: � Perform the adjustment at TEST1CH (26CH: 43.780 MHz) as a rule. Setting :
AF oscillator FM RF signal generator
Procedure : 1. The digital voltmeter connected TP5 (RX VT) to TP3 (RX GND). 2. Adjust the L102 for 3.0 ± 0.05 V reading on the digital voltmeter.
Output: 20 Hz
TP2 TP3 (RX GND) Carrier frequency : 43.780 MHz Modulation : 20 Hz (EXT) Deviation : AM 50% Output level : 5.5 dBµV (1.88 µV) (EMF)
oscilloscope (DC range)
+ �
TP9 (SIG IN) TP3 (RX GND)
Procedure : 1. Use the oscilloscope to confirm the FM RF signal generator input (AF) signal waveform and RSSI signal, and use the RV101 so that they are synchronized (duty is synchronized).
RSSI output waveform 0V Adjust so that they synchronize at 0 V. RSSI WAVEFORM
AF oscillator EXT signal 20 Hz
Adjustment Location : hand main board (See page 15)
� 14 �
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