Read Sony WX-GT90BT / WX-GT90BTE / WX-GT99BT / WX-GT99BTM Service Manual online
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
27
27
5-3. BLOCK DIAGRAM - PANEL/POWER SUPPLY Section -
SUB SYSTEM
CONTROLLER
IC601 (3/3)
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
ILL
11
DIMMER
DETECT
DETECT
Q302
ILL_IN 27
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
S951 - 957,
S959 - 966,
S959 - 966,
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
Q906 – 908
Q906 – 908
LIQUID CRYSTAL
DISPLAY PANEL
LCD901
LED903
(KEY ILLUMINATION)
LED901, 902
(RING ILLUMINATION)
G
2
B
3
LED DRIVE
Q900 – 902
Q900 – 902
LED DRIVE
Q903 – 905
Q903 – 905
R
1
LED900, 904
(LCD BACK LIGHT)
LCD_CE
28
LCD_CLK
29
LCD_DO
26
S [1] – S [48]
SEG1 – SEG48
48
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
D
SYNC
(GT90BT: E, EA/GT99BT/GT99BTM)
Abbreviation
: Saudi Arabia model
EA
(Page 26)
Ver. 1.2
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