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HCD-MC3AV
MAIN SECTION
: FM
: CD
• Signal Path
• RCH is omitted
: PB
: REC
R CH
R CH
SOUND
CONTROL
IC101
L
R
L
R
VIDEO/
MD
OUT
: VIDEO/MD
IN A
69
REC B
57
REC A
58
MIC IN
2
D
ATA
33
CLOCK
32
LA
TCH
34
36
L OUT
59
S OUT
60
KIY
IN B
66
IN C
67
IN D
68
40
VOL
D
ATA
CLOCK
LA
TCH
ST L
ST D OUT
ST D IN
ST CLK
ST CE
TUNED
STEREO
ST MUTE
CN102
TO/FROM
TUNER
UNIT
TO/FROM
CD
BLOCK
(Page 28)
CD L
RESET
PB L
REC L
SYSTEM
CONTROL
IC501 (2/2)
66
ST D IN
67
ST D OUT
65
ST CLK
68
ST CE
69
TUNED
70
STEREO
72
ST MUTE
3
LA
TCH
51
CLK
52
DA
TA
TUNED
STEREO
LA
TCH
CLOCK
DA
TA
ST D IN
ST D OUT
ST CLK
ST CE
Q113
MUTE
DBFB
SWITCH
Q111,112
39
BB A
38
BB B
POWER
AMP
IC801
1
6
10
OVER
LOAD DET
Q801
HEAT
SENSOR
Q811,812
+B
D813
D141
SURROUND
PROCESSOR
IC201
L IN
24
LT IN
61
33
S OUT
31
C OUT
D
ATA
53
D
ATA
51
CLK
50
CLK
54
ENABLE
52
ENABLE 2
49
Q292
MUTE
Q291
MUTE
Q831,834,881
CENTER AMP
IC831
REAR AMP
IC831
D863
OVER
LOAD DET
Q731
OVER
LOAD DET
1
2
6
4
7
RELAY
CONTROL
IC701
Q733
MUTE
Q732
RELAY
DRIVE
Q701,702
RY701
RY711
RELAY
DRIVE
Q711,712
Q713
MUTE
J781
PHONS
L
R
TM701
R CH
R CH
(FRONT)
(REAR)
SPEAKER
TM702
PL DA
TA
PL CLK
PL LA
TCH
PL VOL
Q505
MUTE
Q571,572
MUTE
CONT
Q575
MUTE
Q191
MUTE
IC191
J191
2
DBFB H/L
1
LINE MUTE
100
STK MUTE
50
PL DA
TA
49
PL CLK
42
PL LA
TCH
41
PL VOL
6
F RELA
Y
8
PL RELA
Y
53
CEN MUTE
PL DA
TA
PL CLK
PL LA
TCH
PL VOL
RESET
Q501
RESET
IC502
15
RESET
3
1
M U D+5V
54
77
41
53
26
29
34
37
17
14
SPEANA0
SPEANA3
SEG1
SEG20
G1
G13
LED1
LED16
KEY0
KEY3
FL601
DISPLAY
DISPLAY CONTROL
IC601
F1
F2
LED
DRIVER
Q601-604
Q608-612
D611-628,630-633
D637-640
25
LED SEL
8
XO
9
XI
32 L+R
13
FUCTION
KEY
SPEANA
IC603
S652
JOG
4
S601-629,631-644
SIRCS
IC602
10 RESET
24 DATA
23 CLOCK
VOL A
19
VOL B
20
SIRCS
33
P U+5V
JOG A
21
JOG B
22
55
IIC DA
TA
56
IIC CLK
IIC DA
TA
IIC CLK
IIC DATA
IIC CLK
F1
F2
T991
MAIN +B
REG
AC
IN
MAIN -B
D821
D901-904
Q901,902,915
REG
IC901
1
3
REG
IC902
1
3
REG
Q916,951,952
FAN101
FAN
DRIVE
Q703,704
A +7V
TC +7V
TC -7V
CD -UNREG
FAN M -UNREG
POWER
SWITCH
D914
POWER
SWITCH
Q905,906
Q907,908
RDS D+5V
TC D+5V
CD A+5V
AUDIO D+5V
MUTE +5V
D917
CD M+7V
A-7V
P U+5V
CD U+5V
M U D+5V
TC EMRG M+5V
POWER
SWITCH
Q911-914
REG
IC904
1
3
REG
IC903
1
3
ST A+10V
PL VCC
TC M+12V
46
CD POWER
5
POWER
16
J101
SUPER
WOOFER
CENTER
S651
VOLUME
IN
IIC CLK
IIC DATA
11
12
.
79
80
.
.
.
1
6.
14
18
31
.
X601
8MHz
F993
F992
JW992
B
TO/FROM
AUDIO
BLOCK
(Page 32)
A
-30V
REG
Q910
78
VKK
Q903
16
AC CUT
F994
JW996
JW997
US,CND MODEL
AUS MODEL
US,CND MODEL
US,CND
MODEL
JW994
AUS MODEL
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