Read Sony CDX-GT540UI / CDX-GT54UIW Service Manual online
CDX-GT54UIW/GT540UI
CDX-GT54UIW/GT540UI
14
14
4-2. BLOCK DIAGRAM – DISPLAY Section –
X402
32.768kHz
14
13
39
49
50
48
50
48
40
SYSTEM CONTROL
IC401 (2/2)
LCD DRIVER,LED CONTROL
IC901
KEYIN1
CLK LCD
CE
CE
LCD_SO
LCD_SCK
LCD_CE
KEYIN0
46 KEYACK1
11 RE_N0
RE0
RE1
RE1
12 RE_IN1
XOUT
XIN
X401
7.92MHz
92
93 OSCOUT
7 NOSE_SW
OSCIN
63
64
62
DIMMER 2
BLINK 4
COM4
I
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
5
|
50
55
60
51
|
54
SEG48
I
SEG2
SEG52
DATA
PANEL+B
KEY MATRIX
LSW905–913,
S901–907
(VOLUME)
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
95 SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
IC902
Q907
LED
DRIVER
Q901
LCD BACK LIGHT
DIMMER
CONTROL
LED903,905,907,909,910,912,
914,916,919,921,932,934,
LSW905-913
LED924,925,928,929
(RING ILLUMINATOR)
LED901
(LCD BACK LIGHT)
3
USB POWER
CONTROL SWITCH
IC503
99
SYNC_OUT
24
USB_OVER
21
USB_ON
BATT
100
DD_ON
VIN
VBUS
1
3
VOUT
D505
L502
DC/DC CONVERTER
CONTROL
IC502
CD
MECHANISM
UNIT
(MG-101Z)
(2/2)
USB D+
USB D–
USB D–
3 CLR
2 B
5
Q
DC/DC CONVERTER
IC501
6
DRV
1 RC
2
CONT
USB POWER
SWITCH
Q502
USB POWER
CONTROL
Q501
SWITCHING
REGULATOR
Q503
D510
USB OVER
CURRENT DETECT
Q504,505
1
3
2
3
2
VBUS
D+
D–
D–
4
CN902
(USB)
D502
34 RC_IN1
45 KEYACK0
41 RC_IN0
J801
(REMOTE IN)
SLJQDO PDWK
: USB
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