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Quick service response. A useful and very rare service manual with all details. I recomend this service.
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I ordered this manual sometime in the afternoon and I received it on my e-mail the same evening.
This is a fantastically good and properly scanned copy of the original manual. All pages are of the same scale and they overlap each other. It means that you can print the manual and easily make it as a convenient paper manual.
The content of the manual is fantastic. Alignment descriptions, PCB layouts and elementary diagrams are explicit and precise. I immediately found what I was looking for. Thanks to this manual and Owner-Manuals.com my amplifier is alive again. Many thanx indded!
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The manual was well-scanned and easy to read. As an added bonus, the Operator's Manual was bundled with the Service Manual!
I'd definitely use owner-manuals.com again.
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Finally, i found one website, where i can download this service manual , and fix my hifi. The service manual is very good, and easy to download and to print.
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Complete and very useful. Could have benefited from a little higher resolution on the schematic and layout diagrams for improved legibility.
ELECTRICAL ADJUSTMENT-2/9 (LH, C MODEL)
DECK ADJUSTMENT 1. TAPE SPEED ADJUSTMENT
Requirements � Measuring equipments : wow-flutter meter (frequency counter ) Test Tape : TTA-100 (3KHz) Test point : HP OUT Adjustment point : Tape speed adjustment point (motor) 1) Connect HP OUT to the Wow - flutter meter. 2) Insert the test tape (TTA-100), play back center of the tape and adjust the motor until it becomes 3,000Hz±30Hz.
WOW&FLUTTER METER Hz INPUT HP OUT %
2. WOW - FLUTTER CHECK
Requirements Test tape : TTA-100 (3KHz) Test point : HP OUT 1) Connect the HP OUT to the Wow - flutter meter. 2) Set the indicator to JIS and the mode to W RMS (WTD) of the Wow - flitter meter. 3) Play back thee center of the test tape (TTA-100) and check that it is below 0.35%.
HP OUT WOW&FLUTTER METER Hz INPUT %
3. HEAD AZIMUTH ADJUSTMENT
Requirements � Measuring equipment : Oscilloscope Test Tape : TTA-330 (8KHz) Test point : HP OUT Adjustment point : Head azimuth screw
Lch OSCILLOSCOPE
OUTPUT CH1 CH2
1) Connect the HP OUT to the oscilloscope of CH1 and CH2. 2) Set the V mode of the oscilloscope to ADD. 3) Insert the test tape (TTA-330) , play back the center of the tape and adjustment the head azimuth screw until the waveform of the oscilloscope has reached the maximum when playing back at 10KHz. 4) After the adjustment, bond lock (1600B) the screw.
Rch
4. REC. BIAS FREQUENCY ADJUSTMENT
Requirement � Measuring equipment : frequency counter Test point : TP9 1) Connect the TP9 to the frequency counter. 2) Set the recording condition to the main unit. 3) Adjust the L301 until it becomes 85KHz±5KHz.
TP9 GND FREQUENCY COUNTER Hz
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