Service manual
CD-C449W/K449W
– 30 –
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• NOTES ON SCHEMATIC DIAGRAM can be found on page 17.
Figure 30 SCHEMATIC DIAGRAM (9/15)
CD30
1/50
CD29
1/50
CD28
1/50
2
1
3
RD57
39
CD10
220/6.3
CD11
0.022
RXD01
REMOTE
CONTROL
SENSOR
CD09
150P
LEDD02
KL052UL
LEDD03
SLR505MC
LEDD01
KL052UL
LEDD06
SLR325MG
LEDD05
SLR325MG
QD05 KRC107 M
RD52
560
LEDD07
SLR325VR
LEDD08
SLR325MG
LEDD10
SLR325VR
LEDD11
SLR325MG
LEDD12
SLR325MG
LEDD13
SLR325VR
RD19
1K
RD02
1K
RD01
1K
RD05 1K
RD06 1K
RD07 560
RD04 1K
RD03
1K
RD08 1K
RD10 1K
RD09 560
RD13 560
RD14 1K
RD15 1K
RD11 560
RD12 1K
RD17 1K
RD16 1K
RD2
1K
QD03
KRC107 M
RD50
820
QD02
KRC107 M
RD49
1.2K
QD01
KRC107 M
RD48
1.2K
QD04
KRC107 M
LEDD04
KL052UL
RD51
1.2K
QD06
KRC107 M
RD53
1K
LEDD14
SLR325MG
LEDD15
SLR325MG
LEDD16
SLR325VR
LEDD18
SLR325MG
LEDD19
SLR325MG
LEDD17
SLR325VR
CD21 150P
CD20 150P
CD19 150P
CD18 150P
QD08
KRC107 M
RD55
820
QD07
KRC107 M
RD54
1.2K
LEDD20
KL052UL
LEDD21
SLR505MC
RD21
1K
RD22
1K
DD01
1N4004S
DD02
1SS133
RD59
100K
RD58
100K
VSS
VDD
DATA1
COM1
SCK1
P17
P30
P31
P32
P33
P34
74757677787980
81
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
SI1
P16
SCK1
SO1
SCK0
SI0
SO0
P07
P06
P05
P04
VDD2
VSS2
P03
P02
P01
P00
PG3
PG2
PG1
PG0
S46
S45
S44
S43
S42
S41
S47
S2
S1
S2
S1
F1
F1
NC
NC
FF
STROBE
R-PLAY
DISK 1
VIRTUAL-G
VIRTUAL-R
PHANT-G
SRS-R
SRS-G
PHANT-R
NORMAL-G
NORMAL-R
STEREO-G
STEREO-R
PAUSE
GND(D)
+4.6V(D)
+12V(M)
COM1
DATA1
STB
SCK1
RESET
F-PLAY
STOP
(YELLOW)
F-PLAY
(YELLOW)
STOP
(GREEN)
FF
(YELLOW)
PAUSE
LEDD09
SLR325MG
R-PLAY
REW
REW
2 3
4
5
6
7
100
CNSD01
1
2
3
4
5
6
7
8
9
10
1 2 3 4
5
6
CV91
100
CV92
100
JV91
HEADPHONE
LV91
2.2µH(XH)
RV91
220
RV92
220
X2
HEADPHONES PWB-C3
FWV91
1
5
1
5
HP-LCH
HP-RCH
H/P SW
GND(M)
GND(A)
TO SPEAKER
AMP.2 PWB
P35 12-C
WTV11
FM SIGNAL
VF2
VF1
–38(VP)
FWD02
1
3
1
3
TO MAIN PWB
P26 1-E
WTP01
CNPF01
FROM MAIN PWB
P24 1-B
+B
+B
+B
1
2
3
+B
1
2
3
1
2
3
1
2
3
3
2
3
1
2
3
1
1
2
1
+B
+B
+B
2
1
3
CD05
0.001
RE01
8.2K
RE11
8.2K
RE21
8.2K
RE31
8.2K
KEY1
KEY2
KEY3
KEY4
SWD03
X-BASS
SWD12
TUNING UP/CUE
SWD14
NORMAL EDIT
SWD15
HIGH EDIT
SWD16
REC/PAUSE
SWD17
F-PLAY
SWD30
RE13
1.2K
RE14
1.8K
RE15
2.2K
RE16
3.9K
RE22
1K
SWD13
STOP
RE12
1K
SWD07
SOFT
RE02
2.2K
RE04
3.9K
RE06
3.9K
/REWIND
TUNING DOWN
SWD18
SRS/DEMO
RE17
5.6K
RE32
1K
SWD31
RE33
1.2K
SWD32
CD
PAUSE
REVERSE
MODE
RE34
1.8K
SWD33
R-PLAY
RE35
2.2K
CLOCK
RE36
3.9K
MEMORY
SWD34 SWD35
RE37
5.6K
SWD36
TIMER
RE38
12K
SWD37
SLEEP
RE39
27K
SWD38
CLEAR
SWD22
BALANCE LEFT
SWD21
BALANCE RIGHT
SWD08
VOCAL
SWD09
HEAVY-2
SWD10
HEAVY-1
RE07
5.6K
RE08
12K
SWD11
FLAT
RE09
27K
(
0
(0V)
(0V)
(0.6V)
(10.8V)
(10.8V)
(–6V)
(4.0V)
(0V)
(10.8V)
(9.0V)
(0.4V)
(0V)
(0V)
(0V)
(0V)
(4.0V)
(4.1V)
(0.6V)
(0.6V)
(0V)
(0V)
(0V)
(0V)
(0V)
(0V)
(0V)
(0V)
(0V)
(0V)
(0V)
(–28V)
(–30V)