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HCD-VX880AV
Q Q
3 7 6 3 1 5 1 5 0
– MAIN SECTION –
IC711
ECHO PROCESSOR
2
LPF 1 IN
IC712(1/2)
J711
1
MIC 1
J712
RV712
MIC 2
MIC
LEVEL
V
68
J101
MD
VIDEO/IN
69
(AUDIO)
64 DVD
L
TC
66
TU
67
MD IN L
CD
65
60 KEY IN2
MD/VIDEO
(AUDIO)
OUT L
J102
FRONT
REAR
DVD
SW
CENTER
PB L
REC L
RELAY
A SHUT
B SHUT
T E
L
1 3 9 4 2 2 9 6 5 1 3
B HALF/REC A/REC B
A HALF
A PLAY
B PLAY
PB A / B
B
NORM/HIGH
BIAS ON/OFF
RM ON/OFF
NR ON/OFF
DECK
REC/PB PASS
SECTION
(Page 23)
CAPM CNT1
CAPM CNT2
ALC ON/OFF
LM ON/OFF
CAP M H/L
A TRG
B TRG
MS OUT
ST L
ST-DOUT
FM/AM TUNER
ST-DIN
TUNER UNIT IS
SUPPLED AS THE
STEREO
ASSEMBLED
TUNED
BLOCK
ST CE
ST-MUTE
ST-CLK
L CH
TBL. L
TBL. R
SCOR
TRAY SENS
HOLD
SENS
X RST
C
w w w
CD DATA
DISC SENS
X LAT
CD
SECTION
OUT-OPEN
(Page 21)
ENC-1
ENC-2
ENC-3
LD IN
LD OUT
09
LPF 2 OUT
9
6
7
IC712(2/2)
2
30
L+R
EQ
Lch
42
AMP
SELECT
SWITCH
58
57
R-CH
IC101(1/2)
74
MICON
EQ
INTERFACE
DOUT2
77
34
33 32
59
1 2 3
79
76
1
2
3
x
a o
.
i
http://www.xiaoyu163.com
41
IC101(2/2)
VOLUME
38 39
1
80
SW
17
REAR L-IN
11
10
9
TRIM
VOL
15
16
TRIM
VOL
CENTER IN
5
4
3
TRIM
VOL
MCU INTERFACE
DBFB
DATA SCK REQ
IC201
SWITCH
SOUND PROCESSOR
Q112,113
22
23
24
23
PL-CLK
24
PL-DATA
25
PL-LAT
100
TC RELAY
BASS FRQ.
91
A SHUT
90
B SHUT
DBFB H/L
Q
Q
3
7
6
89
B HALF
LINE MUTE
88
A HALF
87
A PLAY SW
F RELAY
86
B PLAY SW
84
PB A/B
WAKE UP
83
EQ H//N
ST-BY LED/CLOCK OUT
BIAS
82
81
REC MUTE
IIC DATA
80
NR ON/OFF
IIC CLK
79
R/PB PASS
TIMER LED
75
CAPM CNT1
74
CAPM CNT2
RESET
85
ALC
78
TC MUTE
76
CAP M H/L
73
A TRG
AC CUT
72
B TRG
(CHECK)
77
AMS IN
IC501
38
493-LAT
MASTER CONTROL
47
493-DATA
48
493-CLK
54
ST DIN
50
STEREO
51
TUNED
52
ST CE
X-OUT
49
ST MUTE
53
ST DOUT
X-IN
ST CLK
55
63
TBL L
65
TBL R
XC-IN
SCOR
19
61
T SENS
XC-OUT
57
HOLD
SENS
56
RY-SW
59
XRST
35
CD DATA
POWER
60
DISC SENS
u 1 6 3
58
XLT
y
CD POWER
OUT OPEN
71
70
ENC1
STK MUTE
69
ENC2/DISC-LED
ENC3/UP-SW
68
HP-MUTE
67
LOAD IN
PROTECTOR
66
LOAD OUT
24
24
http://www.xiaoyu163.com
2
4
8
9
9
Lch
36
72
37
J191
SUPER
WOOFER
Q111
MUTE
Q114
MUTE
MUTE
Q191
Q281, 282
44
7
MUTE SW
3
1
5
1
5
0
8
9
6
Q503
3
18
39
30
29
26
12
RESET
MUTE SW
SWITCH
Q502
Q501
22
3
RESET
IC502
1
D503
+5.6V (STBY)
13
X613
16MHz
15
10
X601
32.768KHz
11
36
m
2
c o
5
.
1
93
27
2
8
9
9
I
2
C DATA
F
I
2
C CLK
SPE SIG
VIDEO
SECTION
(Page 22)
WAKE UP
E
STANDBY LED
IIC DATA
IIC CLK
DISPLAY
SECTION
TIMER LED
(Page 26)
RESET
FRONT L IN
FRONT L-OUT
REAR IN
CENTER IN
2
4
9
8
2
9
9
FRONT RELAY
D
POWER
SECTION
(Page 25)
• R CH: Same as L ch
• SIGNAL PATH
: FM
: CD
: PB
: REC
: VIDEO/MD
RY-SW
POWER ON/OFF
CD POWER
STK MUTE
HP MUTE
SPEAKER PROTECT IN
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