– 4 –
CHUCK PLATE JIG ON REPAIRING
On repairing CD section, playing a disc without the lid (CD), use
Chuck Plate Jig.
• Code number of Chuck Plate Jig: X-4918-255-1
SECTION 1
SERVICING NOTES
LASER DIODE AND FOCUS SEARCH OPERATION
CHECK
1. Turn ON the OPERATE button and press FUNCTION button
to CD position.
2. Open the lid (CD).
3. Turn on S501 with screwdriver, etc. as following figure.
4. Press the CD fl button.
5. Confirm the laser diode emission while observing the objecting
lens. When there is no emission, Auto Power Control circuit or
Optical Pick-up is broken.
Objective lens moves up and down three times for focus search.
S501
NOTE FOR REPLACEMENT OF Q61 AND R64 OF THE
TUNER BOARD
R64 of the tuner board has a different constant due to the different
characteristic of Q61. When replacing R64, check the type name
marking on Q61.
The repair part for Q61 is 2SK514-H only. When replacing Q61,
check the constant of R64.
Q61 R64
2SK514-H (8-729-106-07) 2.2KΩ (1-249-421-11)
2SK514-F (Not supplied) 1.0KΩ (1-249-417-11)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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