—MAIN SECTION—
— 21 —
HCD-N455KW
55
56
57
58
59
60
61
80
81
1
2
3
4
5
9
10
6
J801
J801
J901
MIC
LEVEL
RV901
MICON
INTERFACE
+
+
BB22
BB12
EQ
EQUALIZER / VOLUME
IC901
DBFB
SWITCH
Q901
FEED
BACK
Q902
MUTE
Q954
MUTE
SWITCH
Q820
POWER
OFF
MUTE
Q1206
OVER LOAD
DET
Q1201
Rch
Q1204
Rch
Rch
1
2
6
4
7
PROTECTOR
IC1202
RELAY
DRIVE
Q1207,1208
+B
SPEAKER
TM1201
PHONES
J601
PROTECTOR
SWITCH
Q1205
D705
RESET
SWITCH
Q701
RESET
IC702
+5.6V
2
3
X701
10MHz
X3001
4MHz
4
8
5
6
D201
(DISC No.)
09
87 - 99
FL501
FLUORESCENT INDICATOR TUBE
VF
12
11
X1
X2
31
33
DOR SW
KEY 3
KEY 1
JOG A
JOG B
37
15
9
5
•
18
•
17
•
45
43
LED SELECT
42
SIRCS IN
39
IC501
GRAPHIC CONTROL
REQ GM
CLK MG
DATA GM
DATA MG
RDY MG
21
22
23
24
38
10
RESET
LED
SWITCH
Q621-625,
Q629-634
D611-620,
D628-633,
D636-640
REMOTE
CONTROL
RECEIVER
IC502
LED CONTROL
IC504
ROTARY
ENCODER
AMS
S502
KEY
MATRIX
S591
OPEN
D+5V
68
CD POWER
D1018
D706
+5.6V
+5V
D +5V
D +5V
(CD)
+5V REG
Q1001,1002
VF
+B
–B
D1250
RECT
AC
IN
T1601
POWER
TRANSFORMER
RECT
D1003 - 1006
D1001,1002
RECT
RECT
D1013, 1014
DF DP
–25V REG
Q1006
ST +10V
+10V REG
Q1003
–7.5V
–7V REG
IC1004
+5V REG
IC1001
+7.5V
CD +7V
+7V REG
IC1003
+7V REG
IC1002
PB L
REC L
RELAY REC/PB
CD DATA
FOCUS SW
SQ CLK
SQ DATA
X LAT
B
DECK
SECTION
MIC 1
IC801
5
7
PHONO EQ AMP
INPUT SELECT
IC802
V
TC
ST
CD
TC RELAY
220 A PLAY
220 B PLAY
62
62427 LAT
40
43
44
45
46
75
CD DATA
FOCUS SW
SQ CLK
SQ DATA
X LAT
LIDDED LED
67
77
70
POWER ON
DBFB HIGH
MUTE
34
35
36
37
32
GM REQ
MG CLK
GM DATA
MG DATA
MG RDY
RESET
AC CUT
XOUT
XIN
XOUT
XIN
X702
32kHz
62
69
71
29
28
30
32 33 34
CK
DA
65
64
45
44
43
42
38
POWER AMP
IC1201
Rch
RY1201
3
1
5
7
MIC AMP
IC901
B
A
INH
D+5V
Q201
MASTER CONTROL
IC701
LED
SWITCH
IC504,
Q3151,3152
D3151-3154
5CD
40 41
LATCH
REC 2A
97
98
99
DELAY ON
DELAY LEVEL A
DELAY LEVEL B
GR14 - 2
41
36
20
VOL A
VOL B
ROTARY
ENCODER
VOLUME
S579
53
49
LED
CONTROL
IC504,Q601
Q603,605
Q626,635
D601 - 604
D621, 622
D634, 635
LEDS1
LEDS5
82
83
TC A
BIAS OFF
REC MUTE
A SHUT
B SHUT
B HALF
A HALF
NORM
A SHUT
BIAS ON/OFF
B SHUT
RM ON/OFF
B HALF
A HALF
A PLAY
B PLAY
PB A / B
NORM/HIGH
Q611,612
IC902(2/2)
3
1
TM1202
SURROUND
SPEAKER
23
IC806 ECHO AMP
LPF2 OUT
IC808 (1/2)
3
1
13
LPF1 IN
2
3
X801
320kHz
IC808(2/2)
5
7
29
28
27
26
SPEANA 1
SPEANA 2
SPEANA 3
SPEANA 4
D/A
19
30
KEY SELECT
IC503
KEY 4
KEY SEL
TC +5V
D1016,1017
D1021,1022
RECT
D1309,1310
KEY CON
SWITCH
Q1401
K CON
LATCH
DATA
CLK
Q1403
8
7
9
IC1401
KEY
CONTROL
IC1403
KEY CON
SWITCH
4
GRID
DRIVE
Q636
100 GR1
54 - 78 80 - 86
SEG32 - 1
POWER ON/OFF
MUTE SWITCH
Q823
10
11
9
IC861
ECHO LEVEL
12 2 5
DLY ON
DLY A
DLY B
1
10
6
J902
MIC 2
VIDEO
(AUDIO)
PHONO
IN
5
LED1
LED5
LED9
LED13
•
(Page 20)
(Page 18)
S.TWITTER ON/LED8
2
• Rch : Same as Lch
• Signal path
: FM
: CD
: PB
: REC
: VIDEO
: PHONO
: SUPER WOOFER
1
2
6
4
7
PROTECTOR
IC3002
RELAY
DRIVE
Q3108
+B
WOOFER
SYSTEM
J3101
PROTECTOR
SWITCH
Q3109
RY3001
OVER LOAD
DET
Q3001,3002
1
13
POWER AMP
IC3001
PRE AMP
IC3003
1
5 IN
OUT
R-CH
R-CH
S.WOOFER
GAIN CONTROL
Q3103
-
+
5
6
7
PRE AMP
IC3103
S.TWITTER
CONTROL SW
Q3101
R-CH
S.TWITTER
SWITCH
Q3105-3107
S.TWITTER
GAIN CONTROL
IC3101,3102
— 22 —
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TEL 13942296513 QQ 376315150 892498299
