Read Sony CDX-GT57UP Service Manual online
CDX-GT57UP
CDX-GT57UP
15
15
4-2. BLOCK DIAGRAM - AUDIO OUTPUT Section -
A
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
SYSTEM CONTROLLER
IC501 (2/3)
AU_OUT_FL 36
AU_OUT_RL
AU_OUT_SL 40
R-CH
FL+
FL–
4
1
9
FR+
FR–
2
12
RL+
CN301 (1/2)
POWER AMP
IC301 (1/2)
RL–
RR+
11
10
3
RR–
R-CH
MUTING
Q406
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
REAR/SUB
AUDIO OUT
L
R
DIAG
25
STB
22
BEEP
16
R-CH
R-CH
47 HIT2_SDA
48 HIT2_SCL
49 HIT2_RESET
48 HIT2_SCL
49 HIT2_RESET
30
I2C_SDA
29
I2C_SCL
59
DIAG
60
AMPSTB
28
BEEP
58
ATT
J1
(ANTENNA IN)
TU_LCH
5
SDA
23
I2C_SCL
22
: SIRIUS/XM
B
PRE_R
PRE_L
27
AU_OUT_R
28
AU_OUT_L
30 AU_IN_SUB
FL, RL, SUB
31 AU_IN_RL
33 AU_IN_FL
SUB
RL
FL
XM_LCH
11
AUX_LCH
8
XM_RCH
13
MUTING
CONTROL
Q407, 409
SIGNAL PATH
R-ch is omitted due to same as L-ch.
J402
D403
A_ATT
F
CN01
TUX-DSP02 (FM/AM 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
35
XM_RX
36
XM_POWER EN
37
BUFFER
IC830, 831
F3
B/U B+
38
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