Sony CDX-GT40U Service Manual

CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
CDX-GT40U/GT40UW/GT42UE/GT44U/GT45U/GT47UE
2222
4-2. BLOCK DIAGRAM – DISPLAY Section –
X502
32.768kHz
10
11
94
1
2
100
95
SYSTEM CONTROL
IC501 (2/2)
LCD CONTROL
IC901
KEYIN1
CLK
LCD
CE
LCD_SO
LCD_CLK
LCD_CE
KEYIN0
92
KEYACK1
82
RE-IN0
RE0
RE1
81
RE-IN1
XOUT
XIN
X501
7.92MHz
15
13
OSCOUT
3
NOSE_SW
OSCIN
63
64
62
BACK-LIGHT
2
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
PUSH ENTER/SELECT
RE901
ROTARY
ENCODER
DIMMER
1
4
SIRCS
REMOTE
CONTROL
SIGNAL
RECEIVER
IC902
Q901
LCD BACK LIGHT
DRIVE
Q903
LED
DRIVE
LED932,934,936,938,
940,942,944,946,
950,952,954
LSW905 (1/2)–LSW912 (1/2)
LED901
(LCD BACK LIGHT)
3
26
SYNC_OUT
BATT
52
FLT_USB
50
EN_USB
USB VBUS POWER SUPPLY
IC1300
12
EN_USB
9
FLT_USB
53
EN_SYS
4
EN_SYS
8
SYN/EN
3
VIN
5
USB_OUT
1
CD SERVO,USB CONTROL
IC601(2/2)
3
2
VBUS
D+
D–
2
CN601
3
4
SYS_RST
SWDIO
SWCLK
4
CN902
(USB)
18
RC_IN1
91
KEYACK0
97
RC_IN0
J801
(REMOTE IN)
 SLJQDO PDWK
: USB
+1.5V REG
IC681
+1.5V REG
IC682
5
VDD +1.5V
1
CE
4
OUT
BU+3.3V
5
VDD +1.5V(VDDM)
4
OUT
USB+
85
USB-
86
RESET
3
SWCLK
62
SWDIO
61
X1
80
X601
12MHz
X2
82
CPON
72
CDON_15V
73
(VOLUME)
DIMMER
SWITCH
Q905
(NHZ W\SH)
Ver. 1.4
Note 1: Refer to “ABOUT CHANGE OF THE LCD DRIVER IC (IC901)
ON THE KEY BOARD” on page 7 for how to distinguish New type.
Note 2: CN601 has been deleted in the midway of production.

Sony CDX-GT40U Specifications

General

MP3 playback	Yes
Tuner type	SSIR-EXA
FM band range	87.5 - 107.9 MHz
Supported radio bands	AM, FM
Impedance	220 Ω
Output power	52 W
Product color	Black
Ready for iPod	No
Disc types supported	CD, CD-R, CD-RW
Audio output channels	4.0 channels
Signal-to-Noise Ratio (SNR)	80 dB
Display type	LCD
USB version	2.0
USB ports quantity	1
File type	MP3/WMA/AAC
Number of optical discs	1 discs

Weight and Dimensions

Weight	1200 g
Dimensions (WxDxH)	178 x 180 x 50 mm