– 21 –
CD-K477W
Figure 21 BLOCK DIAGRAM (3/3)
QP13
QP16
T.F
220V
230-240V
AC POWER SUPPLY CORD
AC 110/127/220
/230-240V
50/60HZ
110V
127V
VF1
(AC)
VP
VOLTAGE
REGULATOR
~
~
9
2
,
3
4
LEDD01~
LEDD21
33
45 47
50 52
71 73
75
14
13
28
27
21
26
16
17
51
90
72
46
18
89
15
79
88
94
91
~
~
~
~
~
5
9 5
9 6
9 7
DAT1
COM1
STB
1
1 2
RES
RXD01
REMOTE
SENSOR
KEY IN
~
SWD01
SWD02
JOG SW
JOG SW
KEY MATRIX
SWD03,SWD04
SWD12~SWD17
SWD19,SWD20
SWD24,SWD25
SWD27~SWD43
SWD48~SWD54
XD01
4.19MHz
+B6
VSS VDD
–VP
+B2
L
R
R
L
IN
COM
DAT
6
7
8
9
10
16
17
53
55
58
59
60
18
56
90
15
57
89
12
28
82
78
77
76
75
52
51
50
49
27
26
24
47
79
67
81
61
97
68
69
71
72
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
23
19
74
94
73 70 87 88
95 96 99
DOL_A/NA
S.W_A/NA
4SP_A/NA
SWF02
SPAN SELECTOR.
SN
SRS_A/NA
~
1 2 3 4 5 11 13 14 91 92 93 98 100
64
66 83 84 54 85 86 80
SLD–
SLD+
TO CD UNIT
DRF
PUIN
CD_RESET
RWC
XF01
4.19MHz
DATA
CLK
ICS01
LV1035M
DOLBY
PRO LOGIC
DECORDER
8
+B7
OUT
L
R
8
4
1
7
R
L
IN
3
5
-B6
1
7
8
4
ICP11
NJM4565M
BUFFER AMP.
OUT
L
R
9
45
23 24
22
46
42
33
18
36
38
37
5
3
IN
OUT
CENTER
SURROUND
IN
CENTER
SURROUND
9
8
6
11
16
12
18
19
10
20
ICV01
STK407-270
POWER AMP.
D991
F995
T6.3A L 250V
F996
T6.3A L 250V
C2B-DO
C2B-DI
CD2MUTE
VOICE CAN
MIC DET
ENABLE
DI
CL
CE
+B7
R
L
CENTER
L
R
IN
R
OUT
L CENTER OUT
ENABLE
POWER
7
F993
T3.15A L 250V
F994
T3.15A L 250V
AMP
3 4
5
+B
–B
–B
QV16
QV17
AMP +B
D990
–B6
M
M901
FAN
MOTOR
+B6
FAN SW
FAN CONT
H/P SW
QV20
QV21
JV91
HEADPHONES
QV22
FRONT
RELAY
SUB
WOOFER
OUT
RELAY
RLYV11
QV22
SUB
WOOFER
RELAY
RELAY
RLYY11
QV18
QV19
QV13
QV14
QY11
+
–
–
+
L-CH
GND
+
–
GND
SUB
WOOFER
TMV01
SPEAKER
TERMINAL
ICP12
NJM4565D
LOW BOOST
AMP.
QR13
QR21
QP11
QP12
SUB
WOOFER
MUTE
PROT
POSISTOR
POSISTOR
SP LEVEL
SP PROT
FAN CONT
SUB WOOFER
RELAY
FRONT RELAY
CENTER/REAR
RELAY
SYSTEM MUTE
REAR MUTE
CENTER MUTE
SUB WOOFER
MUTE
H/P SW
–B6
VOLTAGE
REGURATER
QP17
Q907
POWER
UN-SWITCHED
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
+B2
+12V(MOTOR)
+B6
+B7
VOLTAGE
REGULATOR
+12V(ANALOG)
D992~D995
Q951
–12V
POWER
ON/STB
SWITCHING
Q914
SWITCHING
Q913
+4.6V
Q903
Q901
Q902
Q905
Q906
VOLTAGE
REGULATOR
F999
T500mA L 250V
SWITCHING
+B9
+7.3V(CD)
TO CD UNIT
Q904
Q908
Q909
1 47
44
41
38
12
48 63 30 18
20 28
31
25
23
24
17
EQUALIZER
R
2
5
8
R
L
3
6
9
IN
L
OUT
CENTER
OUT
SURROUND
OUT
T2_A-FP
_SPEED(M)
TA_BAIS
BEET CUT
TA R/P
TA_PB-EQ
GH SPEED
PE MOTOR
SOLENOID
CAM_SW
T2_CrO2
T1_CrO2
T2_B-FP
T2_RUN
T1_RUN
SPE1~5
~
F991
T2.5A L 250V
SW991
VOLTAGE
SELECTOR
F992
T2.5A L 250V
F990
T5A L250V
F997
T2.5A L 250V
E
+B3
+B7
+B7
1
2
46
47
45
44
43
F1
F1
F2
F2
VF2
(AC)
VF1
(AC)
FLD01
FL DIPLAY
ICD01
IX0234AW
SYSTEM
MICROCOMPUTER
ICF01
IX0235AW
SYSTEM CONTROL
MICROCOMPUTER
ICU01
LC75396N
DIO PROCESSOR
5
14
10
15
7
6
8
2
1
3
9
+B
–B
RELAY
RLYX11
PROT
QX13
QX14
QX20
QX15
QX16
SURROUND
OUT
CENTER
+
–
GND
+
–
CENTER
SURROUND
(REAR)
RELAY
–
+
GND
CENTER
SURROUND
L-CH
SURROUND
R-CH
TMV11
SPEAKER
TERMINAL
ICX01
STK407-040
POWER AMP.
+B
QX17
QX18
AMP
8
4
+B7
–B6
7
6
2
1
(2/2)
(1/2)
ICR15
NJM4558M
BUFFER AMP.
8
17 18 19
21
13
10
8
4
+B7
5
7
1
2
3
1
6
5
VCC
ICP70
LC7536
ELECTRIC
VOLUME
CL
DI
CE
L5dB
OUT
L1dB
IN
ICP71-1
NJM4565M
BUFFER AMP.
ICP71-2
NJM4565M
BUFFER AMP.
VOLTAGE
REGURATER
VDD
VEE
–B6
+B7
–B6
POSISTOR
QR11
QR12
CENTER
SURROUND
MUTE
OUT
IN
IN
OUT
IN
SUB
WOOFER
SURROUND OUT
VDD
VSS
RESET IN
SYSTEM
STOP
P.FAIL DET
+B3
QG02
QG03
ZDF01
+B4
RESET
QG01
MEMORY
BACK UP
+4.6V
UNSWITCH
+B2
+B4 (4V BACK UP)
+B3
TUNER MUTE
TUNER SD
T991
POWER
TRANSFORMER
SYSTEM
MUTE
VF2
(AC)
GND
R-CH
GND
VEE
DS RES
STB
SCK
SPAN
CD_OPEN/CLOSE
CD_DISC No.SW
CD_UP/DOWN
WRQ
CQCK
SQOUT
COIN
45
TA_T1/T2
46
PB MUT
REC_MUTE
C2B-CE
C2B-CL
R
AMP
SCK
–B
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