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SA-HT840EB
SCHEMATIC DIAGRAM-6
MAIN CIRCUIT
S C
S Y
CB B
R2809
68
PY
R2818
1.8K
DVD A+5V
Q2007
2SB0709AHL
Amplifier
CR R
R2807
68
IC2014
C1BB00000979
Analog Super
Surround
+7.5V
-7.5V
23
16
15
IC2006
C9ZB00000466
Video Buffer IC
1
2
C2035
0.01
C2036
50V22
C2032
0.1
C2037
Q2006
0.01
2SB0709AHL
C2031
Amplifier
1
C2029
1
C2030
1
IC2009
C1AB00001486
Video Buffer
L2010
ELESN220JA
C2026
C2027
C2038
0.01
0.01
10V220
R2812
1.8K
C2028
1
C2857
10V2.2
C2858
10V2.2
20
19
18
17
16
15
14
1
2
3
4
5
6
7
C2131
C2232
3300P
3300P
24
:+B SIGNAL LINE
:-B SIGNAL LINE
14
13
12
11
10
9
3
4
5
6
7
8
C2033
C2034
0.01
0.1
6
5
4
IN1
GND
IN2
SW
OUT
VCC
1
2
3
R2814
R2816
1K
1K
Q2005
Q2003
Q2004
B1GBCFJN0033
B1GBCFJN0033
B1GBCFJN0033
Muting Switch
Muting Switch
Switch
SS C
SS S
C2801 100P
C2803 100P
C2137 0.1
C2237 0.1
C2140 680P
C2240 680P
13
12
11
8
9
10
R2878 1
R2879 1
R2880 1
C2211
0.082
R2881 1
R2882 1
R2883 1
R2884 1
R2885 1
25
:DVD(VIDEO) SIGNAL LINE
DVD PCONT
L2802
G0A200D00002
DVD A+5V
DVD D+5V
R2834
1K
D+1.2V
C2842
1
Q2809
R2820
B1ACKD000005
2.2K
Regulator
-VP
R2838 2.7K
SUB+B
Q2813
B1AAKD000014
Regulator
SW5V
SS CLK
-7.5V
SS DAT
+7.5V
+12V
T+9V
26
27
Q2803
B1BCCG000023
D2806
D2805
Regulator
B0ECKM000016
B0ECKM00
C2811
0.01
D2807
B0ACCK000005
Q2804
B1ABCE000016
R2824
Regulator
820
IC2803
C0DBEZG00021
Regulator
6
5
4
3
2
1
R2826
680
C2825
R2835
C2824
R2829
C2823
6.3V330
1
680
1
1K
Q
B
C2856
D2818
C2839
50V100
MAZ82200ML
10V33
R2832
C2837
R2831
150
0.01
4.7K
R2837 560
D2827
B0EAKM000117
C2844
R2839
0.01
820
R2840
150
C2846
D2823
B0BC5R600003
16V100
T+9V
R2845
D2826
4.7
B0EAKM000117
C2850
50V220
R2849
R2851
R2850
4.7K
15K
39K
C2853
50V4.7
Q2818
B1GBCFJA0028
DC Detect Switch
JK2001
K2HZ929B0001
28
62
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