Read Sony DHC-AZ3DM / DHC-AZ7DM / HCD-AZ3DM / HCD-AZ7DM (serv.man2) Service Manual online
40
40
HCD-AZ3DM/AZ7DM
HCD-AZ3DM/AZ7DM
7-4. BLOCK DIAGRAM – AUDIO SECTION –
A
FL, FR, SL, SR,
FC, SW, LT, RT
FC, SW, LT, RT
MUTING
Q270
MUTING
Q271
MUTING
Q272
MUTING
Q273
E
PB-L
C
MIC
RT
FL
FR
LT
SR
SW
FC
SL
MUTING
Q274
MUTING
Q275
MUTING
Q276
MUTING
Q277
2
1
R-CH
R-CH
R-CH
13
64
65
D
ST-L
H
USB-L
R-CH
J101 (1/2)
CN1
VIDEO/SAT
IN
L
R
62
61
J1060
MIC 1
J1061
MIC 2
MIC AMP
IC1060 (1/2)
MIC AMP
IC1060 (2/2)
RV1060
MIC LEVEL
DIGITAL ECHO
IC1061
RV1061
ECHO LEVEL
SELECTOR
TONE
63
42
41
37
+
6
59
56
53
52
51
+
R-CH
+
R-CH
BASS
BOOST
31
30
29
40
39
38
MUTING CONTROL
SWITCH
Q263
77 P_A_MUTE
65 P_MIC_IN
P_AMPIC_DATA
71
P_AMPIC_CLK
P_O_DVD_POWER
72
P_VACS
69
R-CH
R-CH
MUTING
Q201
FEED BACK
SWITCH
Q101
R-CH
I/F
MCU
34
35
48
HP_MUTING 61
P_HEADPHONE IN 63
P_LINE_MUTING 66
P_RECOUT_MUTING 46
MUTING CONTROL
SWITCH
Q262
MUTING
Q141
MUTING CONTROL
SWITCH
Q171
MUTING
Q1
MUTING CONTROL
SWITCH
Q113
MUTING
Q31, 32
MUTING CONTROL
SWITCH
Q30
MUTING
Q33
MUTING
Q34
MUTING
Q35
MUTING
Q36
R-CH
FL, FR, SL,
SR, C, SW
K
DVD POWER
L
REC-L
F
FEED BACK
J
SPDATA, ACLK,
ABCK, ALRCK
B
FL
FR
SL
C
SPDATA
A/D CONVERTER
IC3601
LIN
R-CH
ACLK
ABCK
ABCK
ALRCK
1
RIN
2
12
DOUT
15
SCKI
11
BCK
10
LRCK
J101 (2/2)
R-CH
VIDEO/SAT
OUT
L
R
SYSTEM CONTROLLER
IC401 (4/6)
INPUT SELECT SWITCH,TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP
IC101 (2/2)
AUDIO SELECT SWITCH
IC261
• SIGNAL PATH
: REC
: VIDEO/SAT OUT
: VIDEO/SAT IN
: USB STORAGE MEDIA PLAY
: TAPE PLAY
: TUNER (FM/AM)
: AUDIO
• R-ch is omitted due to same as L-ch.
: MIC INPUT
: USB (PC)
PC
3
2
1
D+
D–
VBUS
USB CONTROL
SWITCH
Q11, 12
9 D+
8 D–
21
HOST
28
XTI
27
SSPND
1
XTO
X11
12MHz
14
VOUTL
15
VOUTR
USB D/A
CONVERTER
IC1
R-CH
X0
X1
Y0
5
3
Z0
Y1
Z1
12
14
SR
15
X
Y
SW
4
Z
10
Y-Y1
11
X-X1
9
Z-Z1
P_LINK_LFE_SW
Q260
Q261
Q465
42
PCM2704 POWER
45
P_LINK_SW
76
D1
A+9V
33
74
AUDIO
+4.5V
MUTING
Q73, 83
MUTING CONTROL
SWITCH
Q22
MUTING
Q71, 81
J1050
PHONES
HEADPHONE
AMP
IC3
RIPPLE
FILTER
Q82
A+9V
D181
: DIGITAL OUT
(AZ7DM)
(AZ7DM)
(AZ7DM)
R-CH
R-CH
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