Block Diagram - Main Section - Sony CDX-GT52UM Service Manual

CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
4-2.

BLOCK DIAGRAM - MAIN Section -

J901
AUX
R-CH
J1
(ANTENNA IN)
RF_ANT_IN
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: TUNER
: AUX
CDX-GT52UM/GT470UE/GT470UM/GT472UE/GT472UM/GT474UM/GT520U/GT525U
FL, RL, SUB
FL
(Page 29)
A
RL
SUB
CN01
TUX-DSP02 (TUNER UNIT)
AUDIO_OUT_L
AUDIO_OUT_R R-CH
SDA
SCL
RSTN
MAIN SYSTEM CONTROLLER
IC501 (2/3)
45 HIT2_DATA
46 HIT2_CLK
47 HIT2_RESET
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
33 AU_IN_FL AU_OUT_FL 36
31 AU_IN_RL
30 AU_IN_SUB AU_OUT_SL 40
AU_OUT_RL 38
8 AUX_LCH
AU_OUT_LCH 28 PRE_L
AU_OUT_RCH 27 PRE_R
TU_LCH
5
23 22
I2C_SIO 28
I2C_SCK 27
DIAG 57
AMPSTB 58
BEEP 26
ATT 56
30 30
R-CH
B (Page 29)
MUTING MUTING MUTING
Q404 Q402 Q406
MUTING
CONTROL R-CH
Q407, 409
12 IN-FL
11 IN-RL
2 4
J401
L
REAR/SUB
AUDIO OUT
R
POWER AMP
IC301 (1/2) CN301 (1/2)
6
OUT-FL+ 5 FL+
8
OUT-FL- 3 FL–
5
FR+
R-CH 7
FR–
2
OUT-RL+ 9 RL+
4
OUT-RL- 7
RL–
1
RR+
R-CH 3
RR–
25 22 16