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A good service manual with lots of info and a very fair price
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Great value, good scan, just as expected, everything that you need.
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Good scan, great price, but almost the same with the SV260 service manual.
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This PDF is very comprehensive. It includes drawings, parts lists, schematics, pictures, PCB drawings, mechanical layouts, etc. for all three stackable equipment. The scans are good too. Easy to read and no smudges or black lines. I have no complaints. I will make this site my first stop for finding my service manuals.
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This service manual includes drawings, schematics, exploded views, parts list, operating details, and more. Very good scans, very readable. The only thing that made it a 4 star rating was on approximately 4 scans only half of the page was scanned then the other half. I would have preferred the pages to be whole scans.
HCD-GB3
Adjustment Location: Record/Playback/Erase Head
CD SECTION
Note: 1. CD Block is basically constructed to operate without adjustment. 2. Use YEDS-18 disc (3-702-101-01) unless otherwise indicated. 3. Use an oscilloscope with more than 10 M� impedance. 4. Clean the object lens by an applicator with neutral detergent when the signal level is low than specified value with the following checks. 5. Check the focus bias check when optical pick-up block is replaced.
FOCUS BIAS CHECK
oscilloscope (DC range) BD83S board TP (RFACI) TP (VC)
+ �
Procedure : 1. Connect oscilloscope to TP (RFACI) and TP (VC) on the BD83S board. 2. Press the I/1 button to turn the power ON, and press the Z (CD) button to open the CD disc tray. 3. Set disc (YEDS-18) on the tray and press the CD 7 button to playback. 4. Confirm that oscilloscope waveform is as shown in the figure below. (eye pattern) A good eye pattern means that the diamond shape (�) in the center of the waveform can be clearly distinguished.
VOLT/DIV: 200 mV TIME/DIV: 500 ns
level: 0.9 ± 0.4 Vp-p
Checking Location: � BD83S Board (SIDE B) �
TP (VC)
IC201
TP (RFACI)
17
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