CFD-S07CP - Sony Audio Service Manual (repair manual). Page 4

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CFD-S07CP
4
SECTION  1
SERVICING  NOTES
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
LASER  DIODE  AND  FOCUS  SEARCH  OPERATION
CHECK
1.  Turn ON the [OPERATE] or [POWER] button and press [CD] 
button to CD position.
2.  Open the CD lid.
3.  Turn on S801 with screwdriver, etc. as following fi gure.
4.  Press the [
N
 
X
] (CD) button.
5. Confi rm the laser diode emission while observing the object-
ing lens. When there is no emission, Auto Power Control cir-
cuit or Optical Pick-up is broken.
  Objective lens moves up and down three times for focus 
search.
S801
PRECAUTION  WHEN  INSTALLING  A  NEW  OP  UNIT/
PRECAUTION  BEFORE  UNSOLDERING  THE  STATIC 
ELECTRICITY  PREVENTION  SOLDER  BRIDGE
When installing a new OP unit, be sure to connect the fl exible 
printed circuit board fi rst of all before removing the static electric-
ity prevention solder bridge by unsoldering. 
Remove the static electricity prevention solder bridge by unsolder-
ing after the fl exible printed circuit board has already been con-
nected. 
(Do not remove nor unsolder the solder bridge as long as the OP 
unit is kept standalone.)
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