Panasonic DMR-EZ49VEG, Руководство по обслуживанию

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S-22
S4.3. Audio (A) Schematic Diagram
R
4
5
1
7
5
1
0
R
4
5
1
8
4
7
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1
2
0
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R
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1
4700 R4509
9100 R4508
510
R4523
4700 R4522
R4524
1K
R4525 33K
1K R4526
R4527
1K
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6
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R
4
5
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R4511 9100
4700 R4512
56K
R4513
56K R4514
68K R4515
68K
R4516
3
9
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R
4
5
5
9
R
4
5
6
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8
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R4519
4700
R4528
4700
ERDS2TJ821T
R4555
Confidential
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TW4501
VWJ0795=12.5
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18 17 20 19 22 21
59 61 64 62 63 60 57 55 53 51 49 50 52 54 56
29 27 25 24 26 28
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32 30 31
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B1ADLB000006
Q4502
PE
GND GND
G
N
D
GND
GND
o
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2010.12.31
L
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T
(
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L
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T
(
R
c
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)
L
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C
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T
(
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c
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)
EXT3IN(Rch)
BSIN(Lch)
BSIN(Rch)
EXT3IN(Lch)
L
O
G
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n
(
L
)
N
O
R
M
A
L
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(
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)
N
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)
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C
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T
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c
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2
(
9
V
)
L
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i
n
(
R
)
NR-DET1(Rch)
EXT2IN(Rch)
GND1L
TV_IN(Lch)
EXT1IN(Lch)
IN REF(Lch)
LOGIC Vcc REG
LOGIC GND
HiFi-AGC DET
TV_IN(Rch)
EXT1IN(Rch)
IN REF(Rch)
VREF
MUTE CTL
GND1R
CLOCK
DATA
Vcc1(5V)
N
R
-
D
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T
2
(
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N
R
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1
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1
C
O
M
M
O
N
NR-DET1(Lch)
NR DET2(Rch) EXT2IN(Lch)
NR-REF(Rch)
Fsc
S S S S S S S S S
S S S S S
S S
S
V V V
V V V
V
V V
V V V
V V V
A
V
A
V
A
V
A
V
A
V
A
V
A
V
A
V
A
V
A
V
A
V
T
U
T
U
DMR-EZ49VEB
Audio Section
(VHS_Main P.C.B.(2/5))
Schematic Diagram (A)
10 9 8 7 6 5 4 3 2 1
G
F
E
D
C
B
A