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This is the correct service manual of SHARP RX-100H(BK) DAT.
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The ervice manual for my 1982 Kenwood KR-1000 receiver is great! Full detail on all circuits with part number detail. I will definately be ordering more manuals for my other vintage equipment! Order was fulfilled quickly! Very efficient ordering process! Thnaks for your help! Great site!
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Everything in the manual was excellent except for a couple of pictures of specific areas in the unit that were a little dark. Owners Manuals re-sent the pdf file & the problem was corrected. Excellent product! George
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Thanks for offering this item at such a good price. Proved handy in identifying the part I was looking for my set.
Thanks again.
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This is the original manufacturers service manual, with detailed info on the circit boards, explosion drawings of all parts in assembly order, and tuning instructions. The only thing missing is the information on the dimensions of the various drive belts. mail me if you need them. gcrossman_at_aol.com
3. Mode: Playback
test tape P-4-A100 (10kHz, �10dB) main board CN302 Pin 1 (L-ch) Pin 2 (GND) L set R
oscilloscope
normal speed. 6. Adjust RV1002 of the LEAF SW board so that the reading of the frequency counter becomes 3000 ± 90 Hz. 7. Press the "/1 button, after the turned ON. 8. Insert the WS-48B into deck A, and insert the normal tape into deck B. 9. Press the SYNC REC button and display "TAPE A t B HIGHSPEED" and then press the REC button to start recording. 10.Press the x button. 11.Press the H button of deck B and check the reading of frequency counter becomes 3000 ± 90 Hz. Adjustment Location: LEAF SW board Sample Value of Wow and flutter W.RMS (JIS) less than 0.3% (test tape: WS-48B)
Pin 3 (R-ch) Waveform of oscilloscope
in phase
45° good
90°
135°
180° wrong
Playback Level Adjustment (Deck A, Deck B) Procedure: Mode: Playback Deck A is RV311 (L-CH) and RV411 (R-CH), deck B is RV301 (L-CH) and RV401 (R-CH) so that adjustment within the following adjustment level. Adjustment level: CN302 playback level: 301.5 to 338.3 mV (�8.2 to �7.2 dB) level difference between the channels: within ± 0.5 dB Adjustment Location: AUDIO board
4. After the adjustments, apply suitable locking compound to the parts adjusted. Adjustment Location: Playback Head (Deck A) Record/Playback/Erase Head (Deck B)
test tape P-4-L300 (315Hz, 0dB) set
level meter
Reverse
Foward
main board CN302 Pin 1 (L-ch) Pin 3 (R-ch)
Tape Speed Adjustment (Deck A) Note: Set the test mode using the following method and begin tape speed adjustment. In the test mode, the speed will switch to double speed or normal speed each time the HIGH-SPEED CD-MD SYNC button is pressed. Procedure: With the power turned ON, press the x button, DISPLAY button, and DISC 3 button simultaneously. (The �VOLUME� on the fluorescent display tube will blink while in the test mode.) To exit the test mode, press the "/1 button. 1. Insert the WS-48B into deck B. 2. Press the H button of deck B. 3. Press the HIGH-SPEED CD-MD SYNC button and play the tape at double speed. 4. Adjust RV1001 of the LEAF SW board so that the reading of the frequency counter becomes 6000 ± 180 Hz. 5. Press the HIGH-SPEED CD-MD SYNC button and play the tape at Adjustment Location [LEAF SW BOARD]
RV1001(High Speed) RV1002(Normal Speed)
RV1002
RV1001
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