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Excellent product, very clear print. Detailed circuit and assembly diagrams - this enabled me to repair my CD player with confidence. I highly recommend this site.
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Fast access, 100% correct and complete service manual
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just what i was seeking .had a password issue but the review allowed me to circumvent and download was great
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Great manual, great price. Has a few of the basic operating instructions that most service manuals leave out. Complete instructions for disassembling board by board, safety precautions, schematics, complete parts list.
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I am very pleased with the service manual for my RT-909. This was an easy purchase and great procuct, and much cheaper than other venues i had looked at. This web site is now listed in my favorites list. KEEP UP THE GOOD WORK. THANKS. J. BROWN
CD SECTION CD PICK-UP MAINTENANCE
About pick-up (Optical lens) Cleaning Clean a lens with swab of the cotton which moistened it with alcohol, cleaning paper or cleaning disc appointed. Specified cleaning disc : LC-1 (Part code : 645 026 1961 ..... manufactured by SANYO.) Show a clean procedure in the following in reference by swab of cotton. 1. Cotton swab is wrapped with Cleaning paper. 2. Add the isopropyl alcohol. 3. Gently move the tip of cotton swab just like a draw a whirlpool from inside to outside on the surface of lens.
CD PLAYER ADJUSTMENTS
1. ADJUSTMENTS
(1) Confirm the tracking balance 1. Turn on the POWER switch. 2. Connect an Oscilloscope to TP2 (TE) and TP4 (VC). 3. Set the test disc. 4. Press "PLAY" button to turn into the "PLAY" mode. 5. Keep holding "SKIP" button down so as to be "SERCH" mode, then confirm that the oscilloscope waveform is symmetrical on the top and bottom in relation to 0V (VC).
200mV/div. 5ms/div. (2) Checking the "eye" pattern 1. Switch "ON" the POWER. 2. Connect an oscilloscope to TP1 (RF) and TP4 (VC). 3. Load the test disc. 4. Press the PLAY button. 5. Check to be sure that the "eye" pattern is at the center of waveform and that the diamond shape is clearly defined. 6. Press the STOP button. 7. Turn off the POWER switch.
TP1 (RF) TP4 (VC)
a
+
OSCILLOSCOPE
-
OPENING EXPANDED
b
- 35 -
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