Read Sony CDX-GT475ER / CDX-GT475UR / CDX-GT525UR Service Manual online
CDX-GT475ER/GT475UR/GT525UR
CDX-GT475ER/GT475UR/GT525UR
21
21
4-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
SUB SYSTEM
CONTROLLER
IC601 (2/2)
MAIN SYSTEM CONTROLLER
IC501 (3/3)
ACC
13
AMP_REM
9
15 VCC
B/U B+
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
BU +5V
MECHA-6V
33
+3.3V
REGULATOR
IC402
ACCESSORY
DETECT
Q301
ACC_IN 55
VP 35
IC701 VDD +1.5V
IC601 +1.2V
IC701 VDDM +1.5V
+1.5V
REGULATOR
IC682
ILL +B
DR +6V
VDD +3.3V
USB1_ON 116
USB1_OVR 115
EN_SYS 51
BUIN 17
SYNC_OUT 24
USB_VBUS
DSP_1_5V 65
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, 806
BATTERY
CHECK
Q801 - 803
NOSE_SW
1
S901 – 907,
S909 – 916,
RE901 (1/2)
S909 – 916,
RE901 (1/2)
(FRONT PANEL KEY)
RC_IN1
19
RC_IN0
95
J801
REMOTE IN
(VOLUME)
80 RE-IN0
79 RE-IN1
79 RE-IN1
ROTARY
ENCODER
RE901 (2/2)
89 KEY_ACK0
90 KEY_ACK1
92 KEYIN1
93 KEYIN0
OSCOUT
OSCIN
X501
7.92MHz
X502
32.768kHz
XOUT
XIN
11
13
9
8
SIRCS
2
REMOTE CONTROL
RECEIVER
IC902
LIQUID CRYSTAL
DISPLAY DRIVER
DISPLAY DRIVER
IC901
LCD_DATA 64
LCD_CLK 63
LCD_CE 62
LED DRIVE
Q931
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
LED939, 941, 943, 945
(GT475ER, Former type (GT475UR/GT525UR)),
LED967, 969
(New type (GT475UR/GT525UR)),
LED931, 933, 935,
LED937, 947, 951,
LED953, 955, 957,
LED959, 961, 963, 965
(KEY ILLUMINATION)
COLOR1
2
LED DRIVE
Q901
BACK-LIGHT
1
LED901
(LCD BACK LIGHT)
LCD_CE
28
LCD_CLK
29
LCD_DO
26
S [1] – S [49]
SEG1 – SEG49
49
COM [1] – COM [4]
COM1 – COM4
4
+1.5V
REGULATOR
IC681
IC601 +3.3V
+1.2V
REGULATOR
IC703
GHOST_3_3V 67
+3.3V
REGULATOR
IC603
17
17
CN901
CN102
Ver. 1.1
Note: Refer to “MAIN AND KEY BOARDS DISCRIMINATION”
on page 2 on supplement-1 for New/Former types.
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