Read Sony CDX-GT250MP / CDX-GT252MP Service Manual online
CDX-GT250MP/GT252MP
CDX-GT250MP/GT252MP
14
14
4-2. BLOCK DIAGRAM – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
2
100
95
SYSTEM CONTROL
IC401 (2/2)
LCD DRIVE
IC903
KEYIN1
CL
CE
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92 KEYACK1
82 RE_N0
RE0
RE1
RE1
81 RE_IN1
18
97
97
91
XOUT
XIN
X501
7.92MHz
15
13 OSCOUT
3 NOSE_SW
OSCIN
47
48
46
DIMMER 2
COM1
I
COM4
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
3
|
34
39
35
|
38
S1
I
S33
DI
PANEL+B
KEY MATRIX
LSW901–908
LSW901–908
S901–908
(VOLUME)
PUSH SELECT
S905
ROTARY
ENCODER
4 SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
IC902
BACK-LIGHT 1
BACK LIGHT
LED DRIVE
Q932
DIMMER
SWITCH
Q931
LED901,903,905,907,909
911,913,915,917,919
921,923,925,927,933
921,923,925,927,933
935,937,945,
LSW901–908
LED931
(LCD BACK LIGHT)
3
OUT
RC_IN1
RC_IN0
RC_IN0
KEYACK0
J801
(REMOTE IN)
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