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Audio input/output section
TO CN203 OF
LVA10375-A1
(System control)
CN591
TUNER_L
12
TUNER_R
13
HP_L
17
5
HP_R
18
S_MUTING
19
S_BASS
21
IC557
Amp.
IN_L
IN_R
IC540
OUT_L-
Amp.
OUT_L+
OUT_R-
Q5711
IC544
OUT_R+
4
Mute control
Amp.
OUT_SL
OUT_SR
Q5712
IC546
Mute control
Amp.
FROM/TO
DSP
OUT_C
OUT_SB
IC548
Q5713
Mute control
Amp.
OUT_LFE
Q5714
Q5701
Mute control
MUTING
Q5702
3
Mute control
VOL_DAT
VOL_STB
VOL_CLK
DIGITAL_I/O
DSP section
CN591
DSP_RST
29
DSP_REDY
28
DSP_COM
27
X521
55
2
DSP_STAT
26
OSC
DSP_CLK
25
12.5MHZ
IC521
IC525-IC527
DSP
SDRAM
IC524
FLASH-ROM
FROM/TO
4
5-7,10
CN203 OF
12-16
LVA10375-A1
(System control)
IEC958
1
IC592
A3.3V
D5V
4
REG
D5V
5
IC593
D1.9V
REG
1
VOL_DAT
24
VOL_STB
23
VOL_CLK
22
A
LVA10377-A1
DSP board
J5531
74-77
4
69-72
62
IC560
Amp.
CN592
9
31
16
38
Q5731
IC562
Mute control
Amp.
IC551
10
32
8CH
VOLUME
15
37
Q5732
IC564
Mute control
Amp.
12
34
11
33
Q5733
IC566
Mute control
Amp.
13
35
Q5734
26
25
27
Mute control
Q5661-Q5663
BASS BOOST
J5521
DSP board
LVA10377-A1
Q531
15,40
2,3,44
45,46,48
42,43
41
143,144
49,52
X531
11
84
OSC
IC531
Q532
IC532
6.14MHZ
2
4
DSP MICOM
17
IC533
1
1
47
88
54,56,66
18,57
64-67
15-19
44
14
31
7-13
30
29
43
28
IC511
26
CODEC
6,41
32
33
12
1,2,4
11
IC512
3
10
DAC
9
5-8
B
C
Power supply section
Power board
CN101
F101
L101
2
AC IN
L103
1
L102
L
STB/DBS IN
R
L
VCR IN
R
TO CN701 OF
LVA10379-A1
(Power amplifier)
OUT4_L
7
OUT4_R
8
OUT4_SL
4
OUT4_SR
3
OUT4_C
6
2
OUT4_SB
OUT4_LFE
1
STB/DBS
DUGITAL
IN
Power amplifier section
TO CN592 OF
FROM/TO
Amplifier board
LVA10377-A1
Audio
(Audio input/output)
CN701
input/output
LFE
1
MUTING
SB
2
SR
3
SL
4
C
6
L
7
R
8
OUT_SR
OUT_SL
OUT_LFE
OUT_C
OUT_SB
TO CN204 OF
DIGITAL_I/O
LVA10375-A1
IN_L
(System control)
CN702
IN_R
PROTECT
1
RELAY_CTL
2
OUT_L+
OUT_L-
SAFETY
6
OUT_R+
LOW VOLTAGE DET.
TO CN171 OF
OUT_R-
LVA10378-A1
VOL_DAT
(Power supply)
CN703
VOL_STB
PROTECT
14
VOL_CLK
D
E
D101
9
2
15
3
T101
11
4
POWER
4
TRANS.
5
10
IC101
3
6
SWITCH
REG.
Q181,Q182
IC102
Q187
-IC104
PHOTO
Q188
COUPLER
1
7
Q172
REG.
8
9
Q171
REG.
5
T121
POWER
4
4
TRANS.
12
1
2
IC171
REG.
IC121
1
3
SWITCH
13
REG.
16
Q161
Q165
REG.
REG.
Q163
Q164
14
Q162
Q166
REG.
REG.
IC122
Q178
Q183
IC123
REG.
PHOTO
COUPLER
Q184-Q186
+12V
12
RY701-RY704
IC701
3
WOOFER
13
AMP.
26
28
25
16
21
15
IC721
MAIN
7
9
AMP.
3
1
6
10
Q751,Q753-Q757
PROTECTOR
Q731,Q732
Q761
RELAY CTL.
F
TH-A75
TO CN703 OF
LVA10378-A1
LVA10379-A1
(Power amplifier)
CN171
+37V
5
6
+37V
7
+22V
8
+22V
11
-22V
12
-22V
-37V
13
-37V
14
+12V
4
2
-12V
PROTECT
1
TO CN201 OF
LVA10375-A1
CN172
(System control)
1
+12V
2
+7V
-7V
5
6
-12V
7
FAN-ON/OFF
8
FAN-CTL
9
AMP-PON
10
BEAT CUT
11
DVD-PON
12
SYS-PON
F2
13
14
F1
15
-VDSP
16
B5V
TO CN202 OF
Q174
LVA10375-A1
Q175
(System control)
CN173
Q176
DVD3.3V
2
Q177
3
DVD3.3V
4
DVD5V
6
D5V
7
M9V
8
M9V
TO
FAN MOTOR
CN174
1
J702
8
LFEOUT
6
FROUT
4
FLOUT
FCOUT
2
J701
6
SROUT
4
SLOUT
SBOUT
2
LVA10379-A1
G
2-3
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