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You can fully trust on this one!
All the schematics are very crear an in one piece per page
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I have never bought a service manual which is as competely readable as this althogh it was a scanned pdf. Thank you for this succesful manual also cheaper than other sites.
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Thanks for a very good and readable servicemanual. Just what I needed as a "dinosaur technician". I really recommmend this site and will come back.
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The best diagram that I used in a long time. Everything was right on te money. It was easy and fast. Iwoiuld but again when I need a service manual.
ELECTRICAL ADJUSTMENT-4/4 (EZ MODEL)
< TUNER SECTION >
1. MW IF Adjustment L007 ............................................................ 1400/1404kHz 2. MW VT Adjustment Settings: � Test point: C39+ � Adjustment location: L004 Method: Set to MW 1602/1710kHz adjust L004 so that the test point becomes 5.6V±50mV. 3. MW Tracking Adjustment L003 ....................................................................... 603kHz TC051 ................................................................... 1404kHz 4. FM VT Adjustment Settings: � Test point: C39+ � Adjustment location: L006 Method: Set to FM 108MHz adjust L006 so that the test point becomes 6.0V±50mV. 5. FM Tracking Adjustment L005 ..................................................................... 87.5MHz 6. LW VT Adjustment Settings: � Test point: C39+ � Adjustment location: L051 Method: Set to LW 290kHz adjust L051 so that the test point becomes 4.60V±50mV. 7. LW Tracking Adjustment L003 ....................................................................... 153kHz TC001 ..................................................................... 288kHz 9. Wow Flutter Check Settings: � Measuring equipment: Wow flutter meter � Test tape: TTA-100 (3KHz) � Test point: PHONES jack (J201) � Adjustment location: SFR of deck C.B section 1) Connect the PHONES jack (J201) of the machine to the wow flutter meter. 2) Set the indicator of the wow flutter meter to the JIS and the mode to W & F (or RMS or UN WTD). 3) Play back the test tape (TTA-100) and confirm that the wow flutter is 0.35 % or less. 10. Head Azimuth Adjustment Settings: � Measuring equipment: Oscilloscope � Test tape: TTA-320 � Test point: PHONES jack (J201) � Adjustment location: Screw for the head azimuth adjustment 1) Connect the channel 1 probe of the oscilloscope to the R ch and the channel 2 probe to the Lch respectively. 2) Set the V mode of the oscilloscope to the ADD mode. 3) Play back the test tape (TTA-320) and adjust the head azimuth using the screw for the head azimuth adjustment so that the waveform of the oscilloscope maximizes. 4) After adjustment, lock the screw with the locking paint (bondlock) (1600B).
< CD SECTION >
11. Focus BIAS Adjustment Settings: � Test CD: TCD-782 � Test point: C441 (RF OUT) C433- (VREF) � Adjustment location: SFR430 Method: Play back the test CD track 2 and so that the output level is DC 0mV±10mV.
< DECK SECTION >
8. Tape speed Adjustment Settings: � Measuring equipment: Wow flutter meter � Test tape: TTA-100 (3KHz) � Test point: PHONES jack (J201) � Adjustment location: SFR of deck C.B section 1) Connect the PHONES jack (J201) of the machine to the wow flutter meter. 2) Play back the test tape (TTA-100) and adjust the SFR of the motor for 3,000 KHz±20 Hz.
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