Audio Out - Sony DVP-K370 Service Manual

DVP-K370
Q Q
3 7 6 3 1 5 1 5 0
For Schematic Diagram
• Refer to page 4-25 for printed wiring board.
1 2 3 4
AV-63 BOARD(1/2)

AUDIO OUT

A
-REF.NO.:2000 SERIES-
XX MARK:NO MOUNT
B
CR/B
C
CB/R
Y/G
Y
C
1
TO(2/2)
IPSW
V
WIDE
D_GND
D
DSEL
25P
CN203
JL217
CR/B 25
JL229
WIDE 24
E
JL230
CB/R 23
D_GND 22
JL236
Y/G 21
D_GND 20
JL232
Y 19
JL233
D_GND 18
T E
L JL234 1 3 9 4 2 2 9 6 5 1 3
C 17
JL235
DSEL 16
F
JL237
V 15
JL238
TO IPSW 14
MB-103 BOARD(7/7)
CN601 D_GND 13
JL239
(SEE PAGE 4-24)
RGBSEL 12
JL215
ALT- 11
JL205
SPDIF 10
JL210
ALT+ 9
JL207
P_GND_SPDIF 8
G
JL208
P_GND_AUDIO 7
JL206
RMUTE 6
JL214
ART+ 5
JL211
LMUTE 4
JL216
ART- 3
JL213
MAMUTE 2
JL212 B+
AU+5V 1
R253
H 1k
5.0
2.5
Q211
2SC2712-YG-TE85L
BUFFER
1.8
R249 R254
R251
220 1k
68
I
C228
R248
J201 47u
XX JL201
16V
COAXIAL
C225
XX
R252
10k
R250
DIGITAL OUT
JL202 XX
1.7
D IN
JL203
5.0
OPTICAL VCC
JL204
GND
C227
47u
J
16V
IC204
TOTX178
IC204
16
OPTICAL DIGITAL OUT
w w w
AUDIO OUT
AV-063 (1/2)
5 6 7
R239
4700
± 0.5%
R201
C201
XX
560p
R202
R205
XX R208
5600
2200
± 0.5%
R255
C203
4700
180p
± 0.5%
5 6
4 3
R257
C204
4700
± 0.5% 180p
R203 R207
R206
XX 2200
5600
± 0.5%
± 0.5%
R204 C202
R209
XX 560p
2200
± 0.5%
R258
4700
± 0.5%
R280
0
R263
10k
R259
XX
Q209
2SC2712-YG-TE85L
R260
MUTE DRIVE
10k
0.7
0.7
D203 R261
1SS355TE-17 10k
0.2
Q206
2SB710A-RTX
R262
10k MUTE DRIVE
IC203
NJM78L05UA-TE1
IC203
1 2 3
+5V REG
B+
R256
C229
1k
47u
16V
C222 C223
R281 C221
0.01u 0.01u
XX XX
R282 B B
0
R283
XX
ET202
C232
220p
x a o
. i
4-27
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8 9 10 11
C233
XX
C210
R212 C207 C226
R232 47u
5600 0.01u R214 0.01u
R226
16V
± 0.5% B 10k 10k B
470
C212
C206
100p
180p
IC202
7 8 5 6 7 8
AUDIO AMP
R217
10k
IC201 Q207
2SD1938(F)-ST(TX).SO
RCH MUTE
AUDIO AMP
Q208
2SD1938(F)-ST(TX).SO
LCH MUTE
2 1 4 3 2 1
R223
10k
C213
C211
C205 100p
47u
180p R227
16V
470
R233
R211 R215
5600 10k 10k
± 0.5% C214
C208
0.01u
0.01u
B
B
C234
XX
R231
47k
C230
16V
10.6 10.6 47u
C209 R224
Q205
1u 10k
2SB709A-QRS-TX
50V
9.9
MUTE DRIVE
R228
R222
D202 Q Q 10k
10k
DAP202K-T-146 3 7
0
1
6.4
3
Q204
2
DTC124TKA-T146
0 6.4
R213
MUTE DRIVE
4700
0.6
Q202
B+ UN2213-TX
MUTE
B+ 1
DRIVE
3
2
D201 C231 R225
DAN202K-T-146 220u 47k
16V
B+
C224
47u
16V
SIGNAL PATH
VIDEO SIGNAL
AUDIO
CHROMA Y Y/CHROMA SIGNAL
REC
PB
u 1 6 3
y
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2 4
8 9 9
12 13 14 15
R229
47k
B+
0
0.8
R235
4700
0.8
R240
R234
R238
470
4700
100k
0
R241
470
B-
R242
470
R243
470
C216 C217
220p XX
R230
C215
47k
220p
Q217
2SD1938(F)-ST(TX).SO
MUTE DRIVE
R236
0.8
4700
R
R284
470
R237
10k
6 3 1 5 1 5 0 8 9
R279
0
B+
Q201
2SB710A-RTX
SWITCH
B+
11.4
11.3
C242
R285 330u
10k 6.3V
10.6
C240
XX
R216
5600
-11.4
Q203
R219
2SC2712-YG-TE85L
220k
-10.9
SWITCH
C241
XX C243
R218
-11.5 XX
100k
B-
-11.5
D205
Q216
1SS355TE-17
2SB709A-QRS-TX
R220
SWITCH 470
-12.2
m
c o
.
4-28
2
8 9 9
16 17 18
R244
XX
1L
R245
XX
2L
R246
XX
1R
2 TO(2/2)
R247
XX
2R
C218 C219 C220
XX XX XX
P_GND
CN204 5P
1 GND
B-
TO
2 -11V
MC-139 BOARD
B+
CN501
3 +11V
(AM-130 HARNESS)
4 MIC (SEE PAGE 4-37)
5 MIC+ECHO
2 4 9 8 2 9 9
B-
SW-13V
VMUTE
B+
3
AI+5V TO(2/2)
B+
AU+11V
D_GND
CN202 7P
JL221
7 SW-13V
JL222
6 AI+5V
JL223
TO
5 AU+11V
IF-92 BOARD
JL224
CN402
4 GND
(AF-122 HARNESS)
JL225
3 EVER+3.3V (SEE PAGE 4-33)
JL226
2 A_MUTE
JL228
1 VMUTE
B+
-12.9
R221
10k
C244
47u
16V