DOWNLOAD Sony XES-Z50 (serv.man2) Service Manual ↓ Size: 4.3 MB | Pages: 127 in PDF or view online for FREE

Model
XES-Z50 (serv.man2)
Pages
127
Size
4.3 MB
Type
PDF
Document
Service Manual
Brand
Device
Car Audio
File
xes-z50-sm2.pdf
Date
PREV: Sony XES-Z50 Service Manual

Sony XES-Z50 (serv.man2) Service Manual ▷ View online

– 49 –
DISPLAY  SECTION
CONTRAST ADJUSTMENT
Note on adjustment: Adjust the contrast at “8” of 15 steps.
Connection:
+
–
TP1
TP2
liquid crystal
module
digital voltmeter
Adjustment Procedure:
1. Fix display board and rear panel with screws.
2. Connect the display board and liquid crystal module.
3. Connect the front panel of which status is as shown above to
the control unit. (Display will turn on.)
4. After the display turned on, allow ten minutes to elapse, then
connect a digital voltmeter to TP1 and TP2 of liquid crystal
module.
5. Adjust RV801 on the display board so that the reading of digi-
tal voltmeter satisfies the specified value.
Specified Value: 20.95 V to 21.00 V
Adjustment Location: DISPLAY board (See page 51)
– 50 –
CONNECTION  AND  ADJUSTMENT  LOCATION
TRACKING OFFSET
Adjustment
RV101
FOCUS BIAS
Adjustment
RV102
CNJ102
TP (RF)
TP (TE)
TP
(VC)
IC101
•
 CD Section
– DRIVER Board (Conductor Side) –
– Control Unit (FM/AM Tuner Unit) –
•
 TUNER Section
FM NOISE FOCUS Adjustment
RV205
FM AUTO SCAN/STOP LEVEL
Adjustment
RV203
FM STEREO SEPARATION
Adjustment
RV204
AM AUTO SCAN/STOP
LEVEL Adjustment
RV201
front side
– 51 –
– Liquid Crystal Module –
•
 DISPLAY Section
TP2
TP1
– DISPLAY Board (Conductor Side) –
CONTRAST Adjustment
RV801
CN502
Page of 127
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