Service manual
– 19 –
CD-C482
Figure 19 BLOCK DIAGRAM (5/5)
8
4
1
7
3
5
23
19
15
89
18
26
45
47
50
52
71
73
29
15
89
57
18
56
90
12
16
17
27
13
14
11
4
3
5
1
46
72
90
51
27
28
13
14
1
2
62
7
10
12
5
3
1
18
9
8
20
57
5 53
75
30
21
4
8
10
79
94
91
88
95
96
97
1
9
18
17
16
4
1
42
44
45
31
15
13
12
11
10
17
16
11
9
8
6
36
31
32
33
34
35
1
2
100
1
12
62
61
60
30
31
32
33
34
35
29
37
38
39
40
41
42
43
44
45
46
47
48
49
36
75
74
73
54
2426
27
49
50
51
52
63
64
65
6682
76
68
67
71
70
9
8
7
10
9
8
7
6
78
79
87
88
91
92
93
94
95
96
97
98
99
84
85
86
69
39
40
41
58
56
53
16
17
30
5
1
15
14
42
R
L
IN
OUT
L
R
ICF01
IX0233AW
SYSTEM MICROCOMPUTER
~
SPE1~5
~
~
~
VSS
~
RES
+B6
CQCK
COIN
SQ OUT
WRQ
RWC
CD SL+
CD-PUIN
CD-DRF
+B4 (5V BACK UP)
+B3
VDD
+5V
UNSWITCH
+B2
MEMORY
BACK UP
VSS
+B4
RESET
OSC
X201
4.19MHz
SYSTEM STOP
P.FAIL DET
+B3
RESET IN
CD SL-
+B2
VDD
–VP
JOG SW
~
~
+B7
QP03
QP04
POWER ON/STB
POWER
SWITCHING
+
L–CH
M
FAN
FAN
MOTOR
+B6
PROT
RELAY
H/P SW
SP DET
L–IN
R–IN
POSISTOR
(AC)
(AC)
KEY MATRIX
KEY IN
TO CD UNIT
–B
+B
Q907
ICP11
NJM4565D
LOW BOOST AMP.
ICV01
STK407-250
POWER AMP.
R–OUT
L–CH
–
GND
+
R–CH
–
GND
+
–
GND
QV20
QV21
QV22
QY12
QV13
QV14
QY11
VOLTAGE
REGULATOR
SWITCHING
VOLTAGE
REGULATOR
+12V(ANALOG)
+12V(MOTOR)
UN-SWITCHED
+B2
+B6
+B7
–15V
–B6
VOLTAGE
REGULATOR
+7.3V(CD)
TO CD UNIT
T.F
VF1
VP VF2
(AC) (AC)
VOLTAGE
REGULATOR
+B
–B
D991
F995
10A 125V
F996
10A 125V
T991
POWER
TRANSFORMER
Q951
F998
1.6A 250V
F997
2.5A 250V
D992~D995
F990
5A
125V
VOLTAGE
REGULATOR
D996~D999
Q911
Q910
+5V(AC-3)
Q904
Q903
Q902
Q901
Q906
Q905
+B8
+B9
Q909
Q908
+4.6V
SL–IN
C–IN
JV91
HEADPHONES
TMV01
SPEAKER
TERMINAL
FD01
FL DIPLAY
F1
F1
F2
F2
VF1
VF2
ICD01
IX0334AW
FL DRIVER
CONTROLLER
RXD01
REMOTE
SENSOR
SWD01
~
LEDD01~
LEDD28
DAT
COM
SWD03~SWD06
SWD12~SWD17
SWD23~SWD48
SWD50~SWD54
ICQ01
QS7777PF
QSOUND
R
R–IN
R–OUT
C–IN
C–OUT
SL–IN
SR–IN
SL–OUT
SR–OUT
MO
AC
AR
BYP
+B7
+B7
VOLTAGE
REGURATER
L–IN
R–IN
L–OUT
R–OUT
C–IN
C–OUT
ICZ10
M62446FP
6–ch VOL
SR–IN
SL–IN
SR–OUT
SL–OUT
SW–OUT
SW–IN
QV18
–B6
STB
RES
TUNER MUTE
TU-DO
TU-SD
T1 CrO2
T1 RUN
T2 RUN
T2 A FP
T2 B FP
T2 CrO2
CAM-SW
TAPE SOL
TA MOT
FR SP
BIAS
TA R/P
PB EQ
REC EQ
REC MUTE
REC MUT
T1/T2
PB MUTE
QS2AR
QS2AC
FAN
SP DET
POSISTOR
H/P SW
PROT
FRONT RELAY
SURROUND RELAY
CENTER RELAY
S-W RELAY
S-MUTE
POWER
S-W-MUTE
CENTER-MUTE
SURROUND-MUTE
QG01
QG02
QG03
ZDF01
FUNC B
FUNC A
STB
SCK
DAT
STB
RES
SCK
DAT
COM
AD RES
SW ON/OFF
DIGITAL1
DIGITAL2
AC32SI
AC32SCK
V1/V2
DEM 0
DEM 1
AC-3 SECTION
CD U/D
CD O/C
CD DNO
VR CLK
VR ST
VR DATA
VR CLK
VR ST
VR DATA
DI
TU CL
CLK2
ICZ01
LC7522
G.E. VOL
ICZ03,05,07
NJM4565D
IN/OUT
FILTER
AMP
ICZ04,06,08
NJM4565D
IN/OUT
FILTER
AMP
DI
CLK
VOLTAGE
REGULATOR
QZ01
+B10
–B10
QZ02
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
VOLTAGE
REGULATOR
–B10
+B10
RLYV11
RLYY11
RELAY
+B10
+B10
-B10
–B10
VOLTAGE
REGURATER
+B7
+B11
+B11
–B10
+B10
+B11
S-MUTE
SW-MUTE
SW–OUT
SW–CH
QP15
AC32SS
AC32RES
AC32SO
SCK
~
~~
VEE
SWD02
HIGH SP
QS2MO
QV19