Block Diagram -Display Section - Sony CDX-GT25MPW Service Manual

CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
CDX-GT25MPW/GT30MP/GT250MP/GT257ME/GT300MP/GT303MP
4-2. BLOCK DIAGRAM – DISPLAY Section –
SYSTEM CONTROL
KEYIN1
KEY MATRIX 94
LSW901–908
S901–908 95 KEYIN0
92 KEYACK1
S905
PUSH SELECT
(VOLUME)
ROTARY RE0
82 RE_N0
ENCODER
RE1
81 RE_IN1
18 RC_IN1
J801
97 RC_IN0
(REMOTE IN)
91 KEYACK0
10 XIN
X502
32.768kHz
11 XOUT
15 OSCIN
X501
7.92MHz
13 OSCOUT
REMOTE
CONTROL
SIGNAL 3 4 SIRCS
OUT
RECEIVER
IC902
3 NOSE_SW
16 16
LCD DRIVE
IC401 (2/2) IC903
LCD_SO 1 48 DI
LCD_CLK CL
2 47
LCD_CE 100 46 CE 3
S1 |
LCD901
I
34
LIQUID
S33
39
CRYSTAL
DISPLAY
PANEL
35
COM1
I |
COM4
38
PANEL+B
(LCD BACK LIGHT)
DIMMER
SWITCH
Q931
DIMMER 2
BACK LIGHT
BACK-LIGHT 1 LED DRIVE
Q932
LED901,903,905,907,909
911,913,915,917,919
921,923,925,927,933
LED931
935,937,945,
LSW901–908