Read Sony WX-GT90BT / WX-GT90BTE / WX-GT99BT / WX-GT99BTM Service Manual online
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
WX-GT90BT/GT90BTE/GT99BT/GT99BTM
26
26
5-2. BLOCK DIAGRAM - MAIN Section -
A
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
MAIN SYSTEM CONTROLLER
IC501 (2/3)
AU_OUT_FL 36
AU_OUT_SR 39
MUTE_PRE4V 74
AU_OUT_RL 38
R-CH
FL+
FL–
5
6
8
FR+
FR–
2
7
RL+
CN301 (1/2)
POWER AMP
IC301 (1/2)
RL–
RR+
3
4
1
RR–
R-CH
MUTING
Q405
MUTING
Q404
MUTING
Q402
: TUNER
: AUX
: AUDIO
IN-RL
11
IN-FL
12
I2C_SDA
2
I2C_SCL
4
OUT-RL- 7
OUT-RL+ 9
OUT-FL- 3
OUT-FL+ 5
R-CH
R-CH
R-CH
FRONT
AUDIO OUT
L
REAR
AUDIO OUT
R
L
R
DIAG
25
STB
22
BEEP
16
R-CH
R-CH
R-CH
45 HIT2_DATA
46 HIT2_CLK
47 HIT2_RESET
46 HIT2_CLK
47 HIT2_RESET
28
I2C_SIO
27
I2C_SCK
57
DIAG
58
AMPSTB
26
BEEP
56
ATT
J1
(ANTENNA IN)
TU_LCH
5
I2C_SDA
23
I2C_SCL
22
: SIRIUS/XM
SUB
AUDIO OUT
B
PRE_R
PRE_L
27
AU_OUT_RCH
28
AU_OUT_LCH
30 AU_IN_SUB
FL, RL, SUB
31 AU_IN_RL
33 AU_IN_FL
LINE AMP
IC404
OUT2 31
MUTE
7
CLK
14
2 IN_FL
OUT4 29
4 IN_RL
OUT5 28
5 IN_SR
SUB
RL
FL
XM_LCH
11
AUX_LCH
8
MUTING
CONTROL
Q407 – 409
SIGNAL PATH
R-ch is omitted due to same as L-ch.
J403
CN01
TUX-DSP02 (TUNER UNIT)
AUDIO_OUT_L
RF_ANT_IN
SDA
SCL
RSTN
AUDIO_OUT_R
CN802
1
4
6
2
10
9
SIRIUSXM IN
J901
AUX
XM_TX
33
XM_RX
34
XM_POWER EN
35
BUFFER
IC830, 831
F3
B/U B+
D
SYNC
(GT90BT: US, CND)
(GT90BT: US, CND, AEP, UK/GT90BTE)
FP1
14
FN1
15
BT_MUTE_IN
73
BT_MIC_POWER
100
SUB SYSTEM CONTROLLER
IC601 (2/3)
50 BT_RX
49 BT_TX
51 BT_CTS
52 BT_RTS
56 BT_MIC_DET
49 BT_TX
51 BT_CTS
52 BT_RTS
56 BT_MIC_DET
BT BOARD
LCH_P
LCH_N
RCH_P
RCH_N
BT_CTS
MIC_DET
BT_TX
BT_RTS
BT_RX
MUTE
BT_MIC_PWR
MIC IN
R-CH
MJ1
C
RESET
55 BT_RST
54 BT_POWER
RESET
BT_POWER
D602
GT90BT: US, CND,
AEP, UK/GT90BTE
: Bluetooth
GT90BT: E,
EA/GT99BT/
GT99BTM
GT90BT: E, EA/
GT99BT/GT99BTM
GT90BT: E, EA/
GT99BT/GT99BTM
Abbreviation
: Canadian model
CND
: Saudi Arabia model
EA
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(Page 27)
(Page 25)
(Page 25)
Ver. 1.2
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