Read Sony CDX-GT57UP Service Manual online
CDX-GT57UP
CDX-GT57UP
16
16
4-3. BLOCK DIAGRAM - PANEL, POWER SUPPLY Section -
SYSTEM CONTROLLER
IC501 (3/3)
ACC
7
AMP-REM
ANT-REM
ANT-REM
5
6
6
19
+B
16
B/U B+
18
REGULATOR
IC301 (2/2)
CN301 (2/2)
AUDIO+B (8.5V)
30
VP2 6
+8.5V
AMP-REM 29
SERVO-3.3V
31
PANEL+B
34
BU+B
37
BU +3.3V
VP1 20
IC830, 831 VCC
MECHA-6V
33
+3.3V
REGULATOR
IC402
ACCESSORY
CHECK
Q301
ACC_IN 57
VP 35
RESET
SIGNAL
GENERATOR
IC403
RESET 12
BU_IN
E
RESET
D
ILL +B
DR_6V
VDD_3.3V
EN_USB 50
FLT_USB 52
EN_SYS 53
BUIN 19
SYNC_OUT 26
FU601
F4
USB_VBUS
VIN 3
2 LX
USB_IN 7
5 USB_OUT
DC/DC CONVERTER
IC1300
SYNC
8
EN_SYS
4
EN_USB
12
FL
T_USB
9
D805
D806
BATTERY
CHECK
Q802
BACK UP
VOLTAGE
DETECT
Q801, 803
NOSE_SW
S901 - 907,
LSW905 - 912 (2/2)
(FRONT PANEL KEY)
RC_IN1
18
RC_IN0
97
J801
REMOTE IN
(VOLUME)
82 RE_IN0
81 RE_IN1
81 RE_IN1
ROTARY
ENCODER
RE901 (2/2)
91 KEY_ACK0
92 KEY_ACK1
LCD_CE
100
LCD_CLK
2
LCD_SO
1
94 KEY_IN1
ROTARY
ENCODER
RE901 (1/2)
95 KEY_IN0
OSCOUT
OSCIN
X501
7.92MHz
X502
32.768kHz
XOUT
XIN
13
15
11
10
SIRCS
4
REMOTE CONTROL
SIGNAL RECEIVER
IC902
PUSH ENTER/
SELECT
19
19
CN901
CN102
3
LCD CONTROL
IC901
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
LCD BACK
LIGHT DRIVE
Q901
DIMMER
SWITCH
Q905
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
LED932, 934, 936, 938, 940, 942,
LED944, 946, 950, 952, 954,
LSW905 - 912 (1/2)
(KEY ILLUMINATION)
BACK-LIGHT
2
COLOR1
3
DIMMER
1
LED901
(LCD BACK LIGHT)
S1 – S48
SEG2 – SEG48,
SEG52
SEG52
48
COM1 – COM4
COM1 – COM4
4
LED DRIVE
Q903
(Page 14)
(Page 14)
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