Block Diagram - Audio Section - Sony HCD-ZX80D Service Manual

HCD-ZX80D/ZX100D
7-4. BLOCK DIAGRAM – AUDIO SECTION –
• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
: AUDIO
: TUNER (FM/AM)
: TAPE PLAY
: REC
: AUDIO OUT
: TV/SAT AUDIO IN
: MIC INPUT
: VIDEO INPUT (AUDIO)
(Page 25)
ST-L
H
TC-L
J
(Page 25)
MIC
F
(Page 24)
DM_L, DM_R
DM_L
G
(Page 24)
DM_R
FL, FR, SL,
SR, FC, SW
FL
B
(Page 23) FR
MUTING MUTING MUTING MUTING
Q204 Q254 Q203 Q253
SL
SR
FC
SW
MUTING MUTING MUTING MUTING
Q202 Q252 Q200 Q250
MUTING CONTROL
SWITCH
Q507, 508
HCD-ZX80D/ZX100D
J1102 (2/2)
L
VIDEO INPUT
AUDIO
R R-CH
J201
L
TV/SAT
AUDIO IN
R R-CH
SAT-L
4
ST-L
6
TC-L
3
DVD-L
5
37 38
40 39 R-CH
41 34
2
32 R-CH
33
6 5 4
3
10 9 8
R-CH 7
13 12
15 11
+ AUTO GAIN
14 24 23
CONTROL
77 DVD-A-MUTE
MASTER CONTROLLER
+
R-CH
INPUT SELECT SWITCH,TONE CONTROL,
ELECTRICAL VOLUME, BASS BOOST AMP
IC101
7 8
TOUT1 VOLIN1
+
14 15
TONE
+
R-CH
R-CH
I/F MCU
R-CH
2 42 21 22
ELECTRICAL VOLUME
IC201
FEED BACK SWITCH
31
Q205
30
29
FEED BACK SWITCH
28
Q255
27
26
25
22
I/F
17 18
81 82 79 80
AUDIO-OUT-SW
ANALOG-IN-MUTE
IC401 (4/6)
26 26
SPEANA AMP
IC304 (2/2)
R-CH
FEED BACK MUTING
SWITCH Q206
Q101
BB_A1
16 R-CH
BB_B1
17
MUTING CONTROL MUTING CONTROL
OUT1
BASS
18 SWITCH
BOOST
Q521, 522
SWOUT
24
BUFFER
IC304 (1/2)
FL
FR
R-CH
MUTING
Q514, 564
SL
SR
CTR
MUTING MUTING MUTING MUTING MUTING
Q750 Q700 Q740 Q207 Q208
(ZX100D)
MUTING CONTROL
SWITCH
MUTING CONTROL MUTING CONTROL
Q505, 506
SWITCH SWITCH
Q511 Q512, 515, 519
LINE-MUTE 76
OUT-MUTE
83
IN-MUTE (ZX100D)
46
+
SW-MUTE 75
D510 D511
J103
D-LIGHT
SYNC OUT
SPEANA
L
(Page 28)
J202
L
AUDIO OUT
R-CH R
REC-L
K
(Page 26)
ANALOG-L
D
(Page 23)
DBFB F/B
M
(Page 27)
MUTING
Q117
SWITCH
Q516, 517
MUSIC L+R
E
(Page 24)
FL, FR, SL, SR, CTR
N
(Page 27)
SW
P
(Page 27)
MUTING
Q810
(ZX100D)
J203
SUBWOFFER OUT
(ZX80D)
(Page 28)
AC4
Q
(ZX80D)
SW-MUTE
S
(Page 27)