Block Diagram - Main Section - Sony CDX-GT660UE Service Manual

4-2.

BLOCK DIAGRAM - MAIN Section -

(Page 16)
J901
AUX
R-CH
TU1
J1
FM/AM TUNER UNIT (TUX-DSP02)
(ANTENNA IN)
RF_ANT_IN AUDIO_OUT_L
AUDIO_OUT_R
SDA
SCL
RSTN
(CDX-GT660UP)
CN802
SIRIUSXM IN
1
4
6
BUFFER
2
IC830, 831
10
F3
9
B/U B+
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: AUDIO
: TUNER
: SIRIUS/XM
: AUX
CDX-GT660UE/GT660UP/GT660UV/GT662UE/GT710UV/GT717UV
ELECTRICAL VOLUME, INPUT SELECTOR
IC401
FL, RL, SUB
FL
A
33 AU_IN_FL
RL
31 AU_IN_RL
SUB
30 AU_IN_SUB
8 AUX_LCH
TU_LCH
5
R-CH
(CDX-GT660UP)
11 XM_LCH
13 XM_RCH
SYSTEM CONTROLLER
IC501 (2/3)
47 HIT2_SDA I2C_SDA 30
48 HIT2_SCL I2C_SCK 29
49 HIT2_RESET
DIAG 59
AMPSTB 60
35 XM_TX BEEP 28
XM_RX
36
37 XM_POWER EN
F_AUX_ATT 63
58
ATT
DOOR_SW 23
AU_OUT_FL 36
AU_OUT_RL 38
AU_OUT_SUB 39
AU_OUT_L 28 PRE_L
B
(Page 16)
AU_OUT_R 27 PRE_R
MUTING
CONTROL
Q407, 409
23 22
D400
D403
DOOR_SW
D977
S971
(FRONT PANEL OPEN/CLOSE DETECT)
17 17
CDX-GT660UE/GT660UP/GT660UV/GT662UE/GT710UV/GT717UV
R-CH
R-CH
MUTING MUTING MUTING
Q405 Q402 Q404
R-CH
POWER AMP
IC301 (1/2)
OUT_FL+ 5
12 IN_FL
OUT_FL- 3
OUT_RL+ 9
11 IN-RL
OUT_RL- 7
2 4 25 22 16
A_ATT F
(Page 16)
C
(Page 16)
J403
L
FRONT
AUDIO OUT
R
L
REAR
AUDIO OUT
R
SUB OUT
(MONO)
CN301 (1/2)
1
FL+
9
FL–
4
FR+
R-CH 12
FR–
2
RL+
10
RL–
3
RR+
R-CH 11
RR–