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20.2. Main Circuit
1
2
3
SCHEMATIC DIAGRAM - 5
A
: -B SIGNAL LINE
B
MAIN CIRCUIT
: +B SIGNAL LINE
B
JK2001
PB(BLUE)
1
2
[VIDEO OUT]
3
COMPONENT
VIDEO OUT /
CHASSIS GND
7
VIDEO OUT
PR(RED)
C
4
C2913
100P
5
Y(GREEN)
6
D
G1
G2
L2552
G0C220JA0055
SEL
1
SCL
2
SDA
3
TUN
4
R2109
0
LCH
5
E
TN2802
ENG07825QRF
STEREO
TUNER PACK
6
R2209
0
RCH
7
C2032
NC
8
0.01
VCC
9
GND
10
G3
F
R2216
C2227
6.8K
100P
R
3
C2226
R2217
680P
8.2K
JK2802
C2126
R2117
680P
8.2K
AUX IN
L
2
R2116
C2127
6.8K
100P
1
G
TO MAIN
SECTION (4/6)
H
4
5
6
: DVD VIDEO SIGNAL LINE
: MAIN SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: AM / FM SIGNAL LINE
17
CRSAG
VCC2
C2924
L2004
R2903
J0JBC0000015
75
6.3V330
CROUT
CROUT
CRIN
18
L2005
R2904
19
GND2
MUTE2
J0JBC0000015
75
CBOUT
CBSAG
CBIN
20
C2923
6.3V330
R2905
L2001
21
CBOUT
GND
75
J0JBC0000015
VOUT
GND2
CYIN
22
CYSAG
SEL
23
24
CYOUT
BIAS
GND2
YIN
25
L2003
R2906
C2922
26
YSAG
SEL
J0JBC0000015
75
6.3V1000
CYOUT
YOUT
CVIN
27
28
GND2
MUTE1
CIN
29
VSAG
C2919
6.3V1000
30
VOUT
S2
SDCOUT
S1
31
32
COUT
VCC1
+9V
PLLCK
IC2900
C9ZB00000461
PLLDA
VIDEO BUFFER
ST/DO
SD
VIDEO_GND
TUNER_L
TUNER_R
AGND
TUNER_GND
AUX_R
AUX_L
7
8
9
: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: AUX / MIC / MUSIC PORT SIGNAL LINE
L2900
G0C220JA0055
16
C2907
1
CR
15
14
C2908
1
CB
13
12
C2909
0.1
PY
11
10
C2920
10V22
9
C2910
0.1
YIN
8
CHASIS_GND
7
6
5
C2911
0.01
CIN
4
3
2
1
Q2912
B1GBCFJN0033
INVERTER
C2029
16V10
Q2005
C2028
B1ADCE000012
16V10
SWITCH
VOUT
1
VIN
Q2004
2
VSS
2SD0601AHL
SWITCH
3
ON/OFF
NC
107
10
11
12
PY
CB
CR
YIN
CIN
ADAC5V
MIX_L
R2057
2.2K
C2034
1
MIX_R
C2035
1
R2058
2.2K
FRONT_L
R3000
2.2K
C3000
1
FRONT_R
R3001
2.2K
C3001
1
C4014
6.3V220
SURR_R
R3002
5.6K
C3002
1
C4006
SURR_L
0.01
R3003
5.6K
C3003
1
CENTER
R3004
5.6K
C3004
1
BE_SUBW
D+5V
D+2.7V
M+9V_BE
OPEN_SW
ZFLAG
C2801
DVD_MUTE
1
INNER_SW
DVD_CLK
DVD_CMD
DVD_STAT
LDIN
1
C4048
100P
2
Z2000
3
5
IC2002
C0CBCBC00140
REGULATOR
4
PCONT
TRAY_CCW_L
TRAY_CW_H
1/6
2/6
3/6
4/6
5/6
6/6
SA-VK870EE
SA-VK870EE
13
14
TO MAIN
SECTION (2/6)
CN2801
1
50
PY/Y/G
49
VGND
48
CB/PB/B
47
VGND
46
CR/PR/R
45
VGND
44
Y
43
VGND
42
C
41
VGND
40
ADAC5V
39
MIXL
38
D+5V
37
MIXR
36
ADACGND
35
FL
34
ADACGND
33
FR
32
ADACGND
31
SL
30
ADACGND
29
SR
28
D+5V
A
TO
27
CENTER
DVD MODULE
26
D+5V
CIRCUIT
25
SUBW
(FP8101)
24
D+5V
IN SCHEMATIC
23
ARCH
DIAGRAM - 2
22
DGND
21
ALCH
20
DGND
19
D+2.7V
18
DGND
17
D+2.7V
16
DGND
15
M+9V
14
MGND
13
M+9V
12
MGND
11
ZFLAG
10
NSW6V
9
A.DIGITAL
8
OPEN_SW
7
CECIN
6
CECOUT
5
LDIN
4
INNER_SW
3
DSPCLK
2
CMD
1
STATUS
50
J
TO
CN2813
USB CIRCUIT
2
(JW2702*)
1
IN SCHEMATIC
DIAGRAM - 12
G
TO
CN2812
MUSIC PORT
2
CIRCUIT (ZJ6801)
1
IN SCHEMATIC
DIAGRAM - 12
P1
MAIN CIRCUIT
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