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SA-HT840EB
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
G
ADACGND
ADACGND
F
ADACGND
ADACGND
ADACGND
TO
DVD MODULE
ADACGND
CIRCUIT
(FP8101)on
SCHEMATIC
DIAGRAM-1
E
D
C
FUNC SW
21PIN
AV JACK
B
GREEN I/O
A
1
CN2004
VGND
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
ADAC5V
40
C2157 50V1
R2157 12K
MIXL
39
ADAC5V
38
C2257 50V1
R2257 12K
MIXR
37
36
R2156
C2156 1
10K
35
FL
34
C2256 1
FR
33
R2256
10K
32
C2300 16V10
SL
31
R2300 10K
30
C2400 50V10
R2400 10K
SR
29
28
C2500 16V10
R2500 10K
27
CENTER
26
C2600 1
R2600 10K
25
SUBW
24
VREF
23
ZFLAG
DGND
22
AUDIO
Q2028
21
DIGITAL
B1GBCFJN0033
DGND
20
Muting Switch
D+5V
19
DGND
18
R2895
D+5V
17
10K
L2028
DGND
16
J0JBC0000019
15
D+5V
AGND
14
D+5V
13
AGND
12
D+1.2V
11
DGND
10
C2053
9
0.01
D+1.2V
8
DGND
7
M+9V
MGND
6
C2813
16V220
M+9V
5
MGND
4
DSPCLK
3
CMD
2
STATUS
1
SCART CIRCUIT
JK1001
K1FB121A0007
A(B)OUT
A(B)OUT
1
R1025
RIN(TV)
10K
A(B)IN
2
A(A)OUT
A(A)OUT
3
A-COM
4
R1026
RETURN
5
10K
LIN(TV)
L1023
A(A)IN
6
J0JBC0000015
R1023
BLUE I/O
7
75
FUNC SW
8
R1027
RETURN
9
470
L1022
CONT
10
J0JBC0000015
11
R1022
NC
12
75
RETURN
13
L1020
RETURN
14
J0JBC0000015
RED I/O
15
BLK IO
BLK I/O
16
R1031
R1021
RETURN
17
75
75
L1021
RETURN
18
J0JBC0000015
V-OUT
19
V-IN
20
R1030
R1020
75
GND
21
75
C1019
6.3V220
2
:+B SIGNAL LINE
:-B SIGNAL LINE
PY
TRY OPEN
TRY CLOSE
CB B
TRAY CCW
VREF+
CR R
D2041
B0EAKM000117
S Y
TRAY CW
S C
DVD A+5V
DVD MIXL
BRAKE H
DVD MIXR
DVDFL
R2192
C2278
220P
56K
DVDFR
R2292
C2178
220P
56K
DVDSL
DVDSR
DVDCNT
TUN CLK
TUN DI
SUBW
TUN SD
TUN L
TUN DO
TUN R
TUN FMDET
T+9V
DVD MUTE
R2269
5.6K
DVD D+5V
R2169
5.6K
D+1.2V
M+9V
DVD CLK
DVD CMD
DVD STAT
IC1001
C9ZB00000431
Video Selector IC
C1017
18
CrSAG
GND2
17
6.3V220
19
CrOUT
CrIN
16
20
GND2
MUTE2
15
C1016
21
CbSAG
CbIN
14
6.3V220
22
CbOUT
CLP
13
23
GND2
CYIN
12
C1015
24
CYSAG
NC
11
6.3V220
25
CYOUT
GND1
10
26
GND2
NC
9
27
YSAG
GND1
8
28
YOUT
BIAS
7
C1014
29
GND2
YIN
6
6.3V220
30
VSAG
YC-MIX
5
31
VOUT
VIN
4
C1013
32
GND2
MUTE1
3
6.3V220
33
COUT
CIN
2
C1018
34
VCC2
VCC1
1
0.01
6
5
4
IC1003
C1AB00001731
Video Buffer
1
2
3
A+5V
YC H
3
:MAIN SIGNAL LINE
H2000
1
TRY OPEN
2
TRY CLOSE
3
TRAY CCW
R2803 2.2K
4
VREF+
D2042
5
GND1
B0EAKM000117
6
M+9V
7
TRAY CW
R2804
2.7K
Q2030
B1GBCFJN0033
Motor Drive
CN2002
1
PORT SEL
2
TUNER CLK(CLOCK)
3
TUNER DI(DATA)
4
TUNER SD(TUNED)
R2100 1K
C2102 0.039
5
TUNER LCH
6
TUNER DO/ST(STEREO)
R2200 1K
C2202 0.039
7
TUNER RCH
8
RDS DETECT
9
VCC M+9V
10
TUNER GND
A(A)OUT
R1103 220
C1009 1
R
RGB H
C1008 1
B
C1007
1
R1203
220
R1003
A(B)OUT
1K
FUNC SW
Q1001
R1004
2SB0709AHL
1K
Amplifier
Q1007
C1010
UNR211H00L
6.3V22
Switch
C1012
C1001
0.1
16V100
C1006
0.1
Q1005
C1005
2SD0601AHL
0.01
Switch
C1004
0.01
4
:DVD(VIDEO) SIGNAL LINE
TO
LINE R
TRAY LOADING
CIRCUIT
(CN901)on
SCHEMATIC
DIAGRAM-9
LINE L
MUTE L
SCART MUTE
TO
TUNER
PACK
DVD MIXL
DVD MIXR
EXT L
EXT R
DVDCNT
DVDSL
DVDSR
SUBW
R1101 820
LOUT
Q1101
2SD0601AHL
Muting Switch
SCARTMUTE
R1102
820
R1202
820
Q1201
2SD0601AHL
Muting Switch
ROUT
R1201
820
Q1010
B1AAK
Q1006
Regulator
UNR221200L
Inverter
A+5V
R1018 4.7K
R1019 22K
Q1004
Q100
UNR221200L
XN04
Inverter
Inverter
R1016
22K
R1017 22K
R1009 22K
R1024 4.7K
5
6
60
R2
1K
D1
B0
L1002
J0JBC
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