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CD-SW250DVD
Audio
CHAPTER 6.
E
Market
CD-SW250DVD
Service Manual
CD-SW250DVD
CIRCUIT SCHEMATICS AND PARTS LAYOUT
[1] Schematic diagram
A
DVD IN
1
2
13
R_CH
C602
12
11
DVD A GND
1/50
10
11
C601
L_CH
9
10
1/50
DVD M GND
8
9
DVD A5V
7
8
DVD D GND
6
7
LD +8V
5
6
DVD S5V
B
4
5
D1.5V
4
3
A3.3V
2
3
D3.3V
1
2
1
CNS601
BI601
LD+8V
1
DVD A5V
2
DVD M GND
3
L_CH
4
C
A_GND
5
R_CH
6
DVD D GND
7
DVD A GND
8
DVD_1.5V
9
DVD_A3.3V
10
AGC
11
DVD_D3.3V
12
DVD_FUNC
13
DVD_PROTECT
14
D
SP_LED
15
DVD_S5V
16
E
SELECTOR
10 KHz/100 KHz
9 KHz/50 KHz
F
CNS103
TO TUNER PWB
G
H
1
R687
330K
12
11
10
9
R602
13 14 15 16 17 18
10K
R601
10K
R609
390
KTC3875 GR
R605
2.2K
R606
2.2K
R603
Q604
330
KTC3875 GR
1
R604
3
2
330
Q607
KRA107 S
R635
4.7K
SW601
SPAN
FM SIGNAL
PLAYBACK SIGNAL
RECORD SIGNAL
MIC SIGNAL
CNP103
R
1
A_GND
2
L
3
M_GND
4
REC_PLAY
5
A_10V
6
T_BIAS
7
REC_R
8
REC_L
9
T_T1/T2
10
2
3
Figure 6-1 SCHEMATIC DIAGRAM (1/12)
C676
R667
0.068
R669
R668
22K
C673
0.12
39K
22K
(ML)
8
7
6
5
4
3
2
1
19
20 21 22 23 24
C663
C662
10/50
10/50
Q665
1
KRA107 S
2
3
R623
10K
R613
6.8K
R621
Q663
C609
Q603
Q605
KTC3875 GR
KTC3875 GR
18K
0.001
R611
R615
2.2K
2.2K
R625
3.9K
R671
2.2K
R672
R616
2.2K
R612
2.2K
2.2K
Q606
Q664
KTC3875 GR
KTC3875 GR
1
2
R614
R680
6.8K
22K
3
AGC CIRCUIT
1
Q612
KRA107 S
2
3
DVD SIGNAL
VIDEO SIGNAL
AUX SIGNAL
4
6 – 1
R617
1K
R618
1K
IC601
R661
LC75341
C613
10K
220P
AUDIO PROCESSOR
24
1
DI
CLK
CE
23
2
VDD
C617
CCB
1/50
VREF
VSS
INTERFACE
3
- +
22
ROUT
LOUT
C619
21
4
0.12
C621
LBASS
RBASS
20
5
0.1
(ML)
LTRE
C623
RTRE
6
19
0.0022
C625
1/50
LIN
RIN
18
7
C627
LSEL0
RSEL0
8
17
4.7/50
C629
1/50
R4
L4
AUX
16
9
C631
1/50
L3
DECK
10
15
R3
1/50
C633
L2
R2
TUNER
11
14
R1
L1
CD
12
13
C635
1/50
5
6
R660
10K
C616
C618
220/10
1/50
C620
C622
0.12
R
(ML)
3
0.1
(ML)
C
0.
C626
1/50
C628
4.7/50
C630
1/50
C632
1/50
C634
1/50
C636
1/50
R632
K
2.7K
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