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Perfect quality. Was able to fix speed drifting on my Sansui Turntable using the service manual instructions for PLL adjustment.
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I am very happy regarding the online purchase of this manual from Owner-Manuals.com as with this I could set right my Denon CD player and Amplifier.
I once again sincerely thank them for the prompt service which was rendered to me.
N. Shanker
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More than pleased with my prurchase, very good product for the price.
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Manual-link came 30 minutes after having paid for an extremely rare (40 years old) item (sony icr-120) and helped me to get the radio rework again. So really good help for me, fast and reliable delivery and -taken that into consideration- a very reasonable price for that service. So thanks again! Mike, Germany
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Some of the pictures in this manual are a bit irritating. I had to dissassemble the unit and some of the screws have different threads, which is not mentioned in this manual. Also some of the drawings of the boards look different than the actual boards.
After all, the manual was very useful. I was able to recalibrate the capstan drive and it is working fine again.
3.4 MECHANISM COMPATIBILITY ADJUSTMENT 3.4.1 Tape pattern check (1) Connect the JIG CONNECTOR CABLE to the set. As for the connection procedure, JIG CONNECTOR BOARD and see 3.5 ELECTRICAL ADJUSTMENT. (2) Remove the COVER(ADJUST) (3) Play back the compatibility adjustment tape. (4) While triggering the HID1, observe the waveform of ENV_OUT. (5) Confirm that the waveform is free from remarkable leveldown, and entirely parallel and straight. (6) In case any level-down is observed on the left hand side, straighten the level by turning the GUIDE ROLLER (SUP) of the POLE BASE ASSEMBLY. In case any level-down is observed on the right hand side, however, straighten the level by turning the GUIDE ROLLER(TU) of the POLE BASE ASSEMBLY. (7) After adjustment, try the unloading motion once, and confirm that the waveform is flat (straight) when the tape has been played back again. Moreover, perform readjustment as required. (8) When the recording has been played back again, play back the self-recording to confirm that the waveform is flat.
ENV_OUT
HID1
Fig.3-4-1
Flatten the waveform. Misalignment of guide roller height on the supply side Misalignment of guide roller height on the take-up side
Fig.3-4-2
GUIDE ROLLER (SUP)
GUIDE ROLLER (TU)
COVER (ADJUST) JIG CONNECTOR CABLE
Refer To 3.3
JIG CONNECTOR
TO JLIP_RX RED TO JLIP_TX WHITE TO GND BLACK
COMMUNICATION CABLE
JIG CONNECTOR
OSCILLOSCOPE
TO ENV_OUT TO HID1
Fig.3-4-3
(No.86730)1-21
 $4.99 GR-D40EX JVC
Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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