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The manual was exact the thing that was promised. My old car stereo is working again thanks to the information supplied.
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I PURHASED THIS PRODUCT BECAUSE I WAS HAVING PROBLEMS WITH MY CDR20 HARMAN KARDON RECORDER. WHICH I PURCHASED NEW 12 YEARS AGO. AFTER REVIEWING THE MANUAL, I WAS ABLE TO ADJUST THE TENSIONER IN THE SYSTEM. WORKS LIKE A CHAMP!.
SAVED ME AT LEAST 100.00 WHICH WAS WHAT A SERVICE REPAIR STATION WANTED. GREAT MANUAL EASY TO READ. SPECIALLY AFTER I PRINTED THE PAGES WHICH DEALT WITH MY RECORDER. THANKS A LOT!!!!!!!!
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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.
Åsbjörn
4.8
ADJUSTMENT PROCEDURE Measuring instrument
4.8.1 CHECK ITEM Item B1 POWER SUPPLY check Test point Adjustment part Description (1) Receive the black-and-white signal. (color off) (2) Connect the DC voltmeter to the TP-E and TP91(B1) of S1 connector. (3) Confirm that the voltage is DC134.5V±2V. � After reparing the high voltage hold down circuit. This circuit shall be checked to operate correctly. (1) Turn the power switch to on. (2) Refer to the figure, connect the resistor between S1 connector 1-pin and 3-pin. (3) Make sure that the screen picture disappeares. (4) Disconnect the power plug. (5) Remove the resistor. (6) Again connect the power plug. (7) Turn the power switch to on. (8) Make sure that the normal picture is displayed on the screen.
5 4 3 2 1 S1 CONNECTOR
HVT 4
DC voltmeter S1 Connector 1-pin : TP-E 5-pin : TP-91 [MAIN PWB] S1 connector 1-pin : TP-E 3-pin : X-RAY1 [MAIN PWB]
HIGH VOLTAGE Resistor HOLD DOWN (19.0k�, check 1/4W)
HEATER
B1
4.8.2 TUNER / IF CIRCUIT Item IF VCO Measuring instrument Remote control unit Test point Adjustment part [9.VCO] CW transf. (T111) [MAIN PWB]
AFC STATUS (Turn to green)
TOO HIGH SYNC: AFC FINE GOOD TOO LOW YES ON 0
Description � It must not adjust without inputting the RF signal. (1) Receive the broadcast. (2) Select 9.VCO from the SERVICE MODE. (3) Set the "AFC" to "OFF" and "FINE" to "0". (4) Confirm that the color change from "TOO HIGH" to "TOO LOW" by CW transf. on MAIN PWB, and check the "SYNC" is "YES". (5) Adjust CW transf. until "GOOD" letters turns green. And then confirm that the "SYNC" is "YES" again. Adjustment can be done in this statement. (6) It return the "AFC" to "ON". (7) Push the [EXIT] key to exit the 9.VCO.
4.8.3 FOCUS Item FOCUS Measuring instrument Signal generator Test point Adjustment part FOCUS VR [In HVT] Description (1) Receive the cross-hatch signal. (2) While watching at the screen, adjust the FOCUS VR to the vertical and horizontal lines will be thinnest and sharpest center horizontal line. (3) Make sure that the picture is in focus even when the screen gets darkened.
1-22 (No.YA057)
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