Service manual
CD-SW250DVD
6 – 3
Figure 6-3 SCHEMATIC DIAGRAM (3/12)
+10V
DISPLAY PWB-A2
10K
10K
10K
1K
1K
1K
1K
1K
1K
1K
1K
1K
10K
10K
10K
10K
1K
1K
8.2K
8.2K
KRA107 S
330
KRC104 S
KRA107 S
1N4148H
KRC104 S
0.047
1K
10K
0.047
1/50
47K
4.7K
1K
1K
47K
1.5
1K
80
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
1K
KRC102 S
SDPB50CD
1K
1K
10K
4.7K
KTA1273 Y
10K
10K
KTA1273 Y
10K
VOLUME
0.022
1N4148H
KRA107 S
KRC104 S
1N4148H
4.7K
4.7K
1K
KTA1273 Y
5.6K
680
22K
1K
2.7K
IXA067A
W
SYSTEM MICRO
M
929190898887868584838281
394041424344454647484950
NO USE
S18/(DIST 3)
NX
NX
NX
NX
NX
NX
DISC TYPE
NO USE
MOT_A+
+5V
TRAY SW1/SW2
MOT_B+
MOT_A-
GND
PHOTO
DISC/CLAMP
MOT_B-
MO_SPEED
NO USE
MOT A+
MOT A-
MOT B+
MOT B-
MO_SPEED
DVD_MUTE
DISC TYPE
FUNC_DVD
VIDEO MUTE (NO USE)
DVD PROTECT
DVD FUNC
SPAN
MIC SW
SP LED
SP LED
KOK LATCH
KARA_LATCH
MIC SW
F_REC
GND
T1 RUN
SOL1
SOL2
+MTR
T2 RUN
P03
P04
P05
P06
P07
P08
P09
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
F2
F2
NP
M_+13V
R REC
NP
DIST
T_BIAS
T_REC
S12
S11
S10
S9
S17/(DIST 4)
S19/(DIST 2)
S13
S14
S15
S16
VDD
VLOAD
RESET
S20/(DIST 1)
-20dBATT
SP_RLY
NS_SW2
T_T1
AC_RLY
G10
G11
S1
S2
T_SOL_A(VOL_LED)
VSS
VDD
ILLU_LED
NS_SW1
G9
S3
S4
S5
S6
A+10V
S_MUTE
SW_5V
M_+13V
+B_PROTECT
SP_RLY
D_GND
REC/PLAY
T_T1/T2
T_BIAS
CE
CLK
SP_DET
- 20dB
DO
DI
S7
S8
/PLAY
/T2
NS_SW1
NS_SW2
DIMMER
1
2
3
4
5
6
7
8
9
10
45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18
26
25
24
23
22
21
20
6
2
3
4
5
7
8
9
2
1
4
12
14
11
17
13
10
7
3
15
8
16
1
6
18
19
5
9
+
-
M
1
9
9
1
TAPE MECHANISM
PWB-I
FFC702
TAPE
MOTOR
26
1
CNP701B
TO MAIN PWB
FFC701
FFC703
CN3004
TO
DVD SERVO
PWB
1
10
CNP703
R752
R754
Q702
LED701
R779
R783
R782
R780
C721
R008
R747
FL701
FL DISPLAY
R731
R732
R737
R738
R735
R736
R733
R734
R740
R745
R743
R741
R742
R744
R759
Q705
Q706
Q703
Q704
R756
R755
CNP702
D708
D707
R757
R758
R739
R768
R767
R795
R796
R797
R798
R799
R750
IC701
CNP701A
R746
Q707
D706
R763
C716
R764
Q708
C717
C718
R765
Q710
R760
Q711
R761
Q709
R766
JOG701
R762
R727
R753
2
1
3
3
3
2
1
2
1
3
3
1
2
3
2
1
3
2
2
1
1
A
B
C
D
E
F
G
H
1
23456
47K
R009
47K
R002
47K
R003
47K
R004
47K
R005
47K
R006
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
47K
R007
R010
R011
R012
R013
R014
R015
R016
R017
R018
R019
R020
47K
R001