Service manual
CD-SW250DVD
6 – 2
Figure 6-2 SCHEMATIC DIAGRAM (2/12)
17 18 19
20 21 22 23 24 25 26 27
1
26
CNP701A
TO DISPLAY PWB
CNP303
TO TUNER PWB
FFC701
0.01
470/10
47/10
TX141
10µH
75
470/10
75
470/10
470/10
75
75
470/10
75
75
220P
220P
4.7K
KTC3875 GR
2.7K
82
1N4148H
1N4148H
390P
390P
100/16
1K
NJM2533M
NJM2533M
VIDEO SWITCH
8
7
6
54
3
2
1
10/16
10/16
0.01
10/16
2.2K
3.3K
10K
1/50
0.022
220/16
18K
0.001
6.8K
6.8K
2.2K
220
220
1K
0.001
100/16
0
100
KTC3265 Y
220
39K
39K
6.8K
6.8K
1000/6.3
4.7K
5.6K
5.6K
10K
0
0.0022
3.9K
1K
1/50
1/50
1/50
1/50
4.7/50
1/50
0.12
CE
TUN_R
AGND
A+10V
TUN_L
D_GND
DI
CLK
DO
TO MAIN
VIDEO OUT
FLASH
TXD
RXD
VGND
PR-OUT
PB-OUT
YOUT
PY-OUT
COUT
VOUT
D3.3V
D_GND
D_OUT
TO DVD SECTION
S-VIDEO
OPT
OUT
S-VIDEO OUT PWB-G
ROUT
RIN
DISC TYPE
SP LED
DVD_FUNCTION
DVD PROTECT
SW2
GND
VOUT
V+
(MUTE)
VIN3
VIN2
SW1
VIN1
DIMMER
SPAN
MIC
KOK LTCH
NS_SW2
NS_SW1
VIDEO OUT
TO MAIN PWB
GAME INPUT PWB-B2
L-CH
GND
R-CH
A+10V
VIDEO IN
HEADPHONE
AUX/VIDEO
R-CH
L-CH
KOK OUT(L)
SW_5V
S_MUTE
M_+13V
+B_PROTECT
(ML)
M
L)
KOK IN(L)
-20dB
MIC IN
KOK LATCH
CLK
DI
D_GND
KOK IN(R)
KOK OUT(R)
A_+10V
A_GND
KOK IN(L)
KOK OUT(L)
SP_DET
D_GND
SP_RLY
REC/PLAY
T_T1/T2
T_BIAS
CLK
DI
KOK IN(R)
KOK OUT(R)
CE
DO
3
2
1
9
1
2
4
3
5
6
7
8
3
2
1
1
2
3
2
1
9
1
2
4
3
5
6
7
8
26
25
15
16
10
9
24
23
21
12
5
6
4
3
2
19
20
13
14
1
11
17
18
8
7
22
6
5
3
2
1
4
3
2
1
12
5
4
11
10
14
6
7
8
9
13
1
2
4
5
2
1
4
5
5
4
3
2
1
5
4
3
2
1
3
3
11
10
987654321
TO POWER SECTION
DIMMER
SP_RLY
SP_DET
SW_5V
M_+13V
+B_PROTECT
D_GND
A+10V
AGND
12345 6 89
10
11 12
7
TO
MIC PWB
CNPK1
YC
R630
R634
Q610
R632
R628
R626
R629
R627
C618
R620
R622
6
C624
R624
C620
C615
C614
R619
R660
R643
R638
C649
CNP603
JK691
IC602
IC602
C650
C651
R640
C652
C654
R645
R646
R648
R649
Q611
C655
JP663
C656
C653
R644
R647
CNP701B
CNP7003
L7001
C7001
CNP7001
CNP7002
C7009
R7002
C7005
C7004
1N4148H
D7009
1N4148H
D7010
C7008
C7011
C7018
C7017
R7001
R7003
R7007
SO7001
R7006
R7005
C7019
JK690A
RGB OUT
IC501
CNP303
R650
C690
C691
R692
R693
R691
R690
BI603
CNS603
JK692
WTM901
FW901
C610
CNSK1
D690
D691
JK690
GAME
VIDEO INPUT
7
8 9 10 11 12
1N4148H
D7008
1N4148H
D7007