Block Diagram - Audio Section - Sony HCD-AZ33D Service Manual

7-3.

BLOCK DIAGRAM - AUDIO Section -

MUSIC L+R
D
(Page 30) CN204
DMPORT
13
LINE AMP
Lch+
IC202
14
Rch+ R-CH
6
TXD
5
RXD
1
DET
J101 (1/2)
L
VIDEO/SAT
IN
R R-CH
ST-L
E
(Page 30)
PB-L
F
(Page 30)
MIC SIGNAL
H
(Page 30)
FL, FR, LT, RT LT
B
(Page 29)
RT
R-CH
FL
FR
MUTING MUTING MUTING
Q270 Q271 Q272
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: AUDIO : VIDEO/SAT OUT
: TUNER (FM/AM) : VIDEO/SAT IN
: TAPE PLAY : MIC INPUT
: REC : DMPORT INPUT
HCD-AZ33D
BT UART RXD
BT UART TXD
DMP DET
IND2
61
INC2
62
INB2
63
TAPE_IN2
65
INA2
64
REF_OUT
74
A+4.5V
33
A+9V
R-CH
MUTING
Q273
36 35 97
MUTING CONTROL
SWITCH 77 P_A_MUTE
Q263
7 52 51
INPUT SELECT SWITCH,TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP
IC101 (2/2)
TONE_ VOL_
OUT2 IN2
+
42 41
+
R-CH TONE SWOUT
+
R-CH 31
R-CH
R-CH
59 56 53
J701
D-LIGHT
SYNC OUT
2
BUFFER
Q702
3
1
REGULATOR
DLS+9V
Q701
4
(EXCEPT AEP, Australian)
D181
89
SYSTEM CONTROLLER
IC401 (3/5)
31 31
R-CH
FEED BACK
SWITCH
Q101
BB32
38
BB22
39
BB12
40
OUT2
BASS
37
BOOST
LPFIN LPFOUT
LINE AMP
30 29 1 VIN VOUT
IC882
I/F
MCU
4 5
35 34
71 72 21 22
P_RECOUT_MUTING 46
P_LINE_MUTING 66
HCD-AZ33D
J101 (2/2)
L
VIDEO/SAT
OUT
R-CH R
REC-L
G
(Page 30)
FEED BACK
J
(Page 32)
MUTING
Q141
R-CH
MUTING CONTROL
SWITCH
Q171
FL
K
(Page 32)
J893
SUBWOOFER
2
OUT
ELECTRICAL
VOLUME
IC881
MUTING
Q893, 894
MUTING CONTROL
LINE_MUTE
L
SWITCH
Q30
(Page 32)