DVP-NS300
4-33
4-34
AUDIO AMP
AV-56 (2/2)
AV-56 (AUDIO AMP) SCHEMATIC DIAGRAM
• See page 4-29 for printed wiring board.
– Ref. No.: AV-56 board; 1,000 series –
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
B-
B-
B-
B+
B-
D:DVD PLAY
C:CD PLAY
NO MARK:DVD/CD PLAY
1.4
10.9
1.4
0
0
1.4
1.4
-8.6
0
0
D0.8/
C-8.6
D0.8/
C-8.6
AEP,UK,
RUS
EXCEPT
AEP,UK,
RUS
AEP,UK,
RUS
EXCEPT
AEP,UK,RUS
D10.2/C-8.6
10.2
D9.5/C10.2
D0/C10.2
D6.2/C0
D6.2/
C0
D0.6/
C3.1
D10.2/
C-8.6
10.2
D9.5/C10.2
D0/C10.2
D6.2/C0
D0.6/
C3.1
AEP,UK,RUS
10.9
11
10.2
-9.2
-9.3
-8.7
-9.3
-10.5
-10
5
10.9
5
2.5
1.8
0
5
EXCEPT AEP,UK,RUS
16V
47u
C227
JL203
JL204
16V
47u
C228
JL202
GP1FA550TZ
IC204
JL201
2SC2712-YG-TE85L
Q211
68
R251
1k
R253
1k
R256
220
R249
1k
R254
16V
47u
C229
VMUTE
JL221
JL224
JL223
JL222
JL225
JL226
JL228
JL205
JL207
JL208
JL209
JL210
JL211
JL212
JL213
JL214
JL215
JL216
10k
R252
P_GND
SW-11V
AI+5V
0
R279
D_GND
ET201
220p
C226
16V
47u
C210
2SD1938(F)-
T(TX).SO
Q208
2L
5600
R212
50V
1u
C212
5600
R205
180p
C203
4700
R214
470
R227
DAN202K-T-146
D201
2200
R209
50V
1u
C209
2200
R207
180p
C206
2SB709A-QRS-TX
Q210
0.01u
C222
10k
R236
220p
C215
47k
R230
4700
R203
4700
R201
10k
R232
47k
R225
4700
R213
ERAUDIOL
IC203
NJM78L05UA-TE1
OUT
1
GND
2
IN
3
16V
47u
C224
47k
R233
560p
C202
UN2213-TX
Q202
2200
R208
470
R226
100k
R238
DTC124TKA-T146
Q204
5600
R211
100k
R239
2SB709A-QRS-TX
Q205
16V
47u
C211
0.01u
C223
DTC124TKA-T146
Q209
2200
R210
ERAUDIOR
4700
R237
470
R243
DAP202K-T-146
D202
4700
R202
4700
R234
1R
4700
R204
10k
R224
180p
C205
470
R242
DAP202K-T-146
D203
220p
C216
4700
R235
2R
BA4558F-E2
IC201
1
2
3
4
5
6
7
8
10k
R228
180p
C204
470
R241
UN2213-TX
Q206
47k
R229
2SD1938(F)-
T(TX).SO
Q207
1L
5600
R206
10k
R222
560p
C201
470
R240
10k
R231
0.01u
C208
0.01u
C207
CB/R
EUROVY
CR/B
D_GND
RGBSEL
Y/G
WIDE
DISCEXT
V
C
Y
JL206
JL230
JL231
JL232
JL233
JL234
JL235
JL238
JL236
JL237
JL239
330u
6.3V
C242
220k
R219
2SC2712-
YG-TE85L
Q203
1SS355TE-17
D205
2SB710-RTX
Q201
10k
R217
5600
R216
100k
R218
AU+11V
7P
CN202
1
2
3
4
5
6
7
2SB709A-QRS-TX
Q216
470
R220
10k
R221
16V
47u
C244
CN203
25P
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
16V
220u
C231
1
A
GND
A_MUTE
AI+5V
SW-11V
EVER+3.3V
VMUTE
AU+11V
Cr/B
WIDE
Cb/R
GND
Y/G
GND
Y
GND
C
DISC/EXT
V
EUROVY
GND
RGBSEL
ALT-
SPDIF
ALT+
P_GND_SPDIF
P_GND_2CH
RMUTE
ART+
LMUTE
ART-
MAMUTE
AU+5V
Y/CHROMA
SIGNAL
VIDEO SIGNAL
Y
SIGNAL PATH
PB
AUDIO
CHROMA
13
2
4
F
12
5
G
11
8
7
6
E
05
B
AV-56 BOARD (2/2)
16
9
17
3
D
C
15
10
J
14
AV-56 BOARD (2/2)
MB-98 BOARD (8/8)
CN801
(SEE PAGE 4-26)
AV-56 BOARD (1/2)
AV-56 BOARD (1/2)
IF-80 BOARD
(SEE PAGE 4-38)
CN404
AV-56 BOARD (1/2,2/2)
IC201
AUDIO AMP
+5V REG
IC203
MUTE
MUTE
BUFFER
B+ SWITCH
Q203,216
B- SWITCH
MUTE DRIVE
Q206,209,210
Q202,204,205
MUTE DRIVE
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299