Read Sony CDX-GT450U / CDX-GT457UE / CDX-GT500U / CDX-GT500US / CDX-GT505U / CDX-GT50UMS Service Manual online
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
CDX-GT50UMS/GT450U/GT457UE/GT500U/GT500US/GT505U
16
16
4-2. BLOCK DIAGRAM – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
2
100
95
SYSTEM CONTROL
IC501 (2/2)
LCD DRIVER,LED CONTROL
IC901
KEYIN1
CLK LCD
CE
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92 KEYACK1
82 RE-IN0
RE0
RE1
RE1
81 RE-IN1
XOUT
XIN
X501
7.92MHz
15
13 OSCOUT
3 NOSE_SW
OSCIN
63
64
62
DIMMER 2
COLOR 2 4
COLOR 1 3
COM4
I
COM1
LCD901
LIQUID
CRYSTAL
DISPLAY
PANEL
5
|
50
55
60
51
|
54
SEG48
I
SEG1
DATA
PANEL+B
KEY MATRIX
LSW905–912,
S901–907
(VOLUME)
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
4 SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
IC902
Q903
LED
DRIVER
AR MODEL
EXCEPT
AR MODEL
AR MODEL
Q904
LED
DRIVER
Q901
LCD BACK LIGHT
DIMMER
CONTROL
LED902,904,906,908,
911,913,915,917,918,
920,923,924,926,931,
911,913,915,917,918,
920,923,924,926,931,
933,935,937,939,
LSW905 (2/2)–LSW912 (2/2)
LED903,905,907,909,
910,912,914,916,919,
921,925,928,929,932,
910,912,914,916,919,
921,925,928,929,932,
934,936,938,940,
LSW905 (1/2)–LSW912 (1/2)
LED901
(LCD BACK LIGHT)
3
26
SYNC_OUT
BATT
52
USB_OVR
50
USB ON
L602
USB VBUS POWER SUPPLY
IC601
CD
MECHANISM
UNIT
(MG-101N)
(2/2)
USB D+
USB D–
USB D–
9 HSDCTL
10 FLG
8 SYN/EN
2 VIN
12
HSDSW
13
HSDSW
1
1
CN701
(2/2)
15
3
2
2
VBUS
D+
D–
D–
4
CN902
(USB)
18 RC_IN1
91 KEYACK0
97 RC_IN0
J801
(REMOTE IN)
SLJQDO PDWK
AEEHUHYLDWLRQ
: USB
AR : AUJHQWLQD PRGHO
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