Read Sony DVP-FX780 Service Manual online
1
2
3
4
5
6
7
A
B
C
D
E
8
9
10
11
12
13
14
F
G
H
I
J
MAIN BOARD(4/5)
3-7
DVP-FX780/FX780WM
3-7. MAIN BOARD (4/5) ・See page 4-1 printed wiring board.
R_CH
MUTE_2
R_IN
L_IN
L_CH
SPRI
VOL_C
SE/BTL
SPRN
SPRP
SPLN
SPLP
MUTE_AMP
L_IN
R_IN
SPLI
SPRI
SE/BTL
MUTE
EAR_DETECT
VOL_PWM
VOL_C
SPLI
SPRP
SPLP
EAR_DET
EAR_DETECT
MUTE_1
MUTE_2
MUTE_3
MUTE_4
MUTE_1
MUTE_3
MUTE_4
MUTE_AMP
AUDIO_VCC
AUDIO_VCC
-AVCC
-AVCC
AUDIO_VCC
DC_IN AUDIO_VCC
AUDIO_VCC
DV33
DV33
DV33
L_CH
[2]
R_CH
[2]
VOL_PWM
[2]
CVBS_OUT
[5]
EAR_DET
[2]
SPRP[5]
SPRN [5]
SPLP[5]
SPLN[5]
MUTE
[2]
BLACK
Green
R423 3K9
R423 3K9
FB402
100ohm/100MHz,25%,400mA
FB402
100ohm/100MHz,25%,400mA
R407
510R/1%
R407
510R/1%
U403
APA2068KA
U403
APA2068KA
VOLUME
7
GND
5
LOUT-
9
RIN-
3
LOUT+
11
VOLMAX
8
SE/BTL
13
BYPASS
4
GND
12
ROUT+
14
LIN-
6
ROUT-
16
SHUTDOWN
2
MUTE
1
VDD
10
VDD
15
HOT_PAD
17
FB403
100ohm/100MHz,25%,400mA
FB403
100ohm/100MHz,25%,400mA
R440
10K
R440
10K
R
41
0
22
0K
R
41
0
22
0K
R
43
1
1K
R
43
1
1K
C
41
3
10
00
pF
/5
0V
C
41
3
10
00
pF
/5
0V
R428
3K9
R428
3K9
R416
24K/1%
R416
24K/1%
C
41
1
0.
1u
F
/2
5V
C
41
1
0.
1u
F
/2
5V
R406
510R/1%
R406
510R/1%
R424
39R
R424
39R
D405
P
E
S
D
5V
0S
1B
B
/N
M
D405
P
E
S
D
5V
0S
1B
B
/N
M
1
1
2
2
D406
P
E
S
D
5V
0S
1B
B
D406
P
E
S
D
5V
0S
1B
B
1
1
2
2
C
40
4
10
00
pF
/5
0V
C
40
4
10
00
pF
/5
0V
Q404
2N3904
Q404
2N3904
3
2
1
R417
100K
R417
100K
R408
510R/1%
R408
510R/1%
C418
10uF/16V
C418
10uF/16V
+
-
U401A
AZ4558
+
-
U401A
AZ4558
3
2
1
8
4
R
43
0
1K
R
43
0
1K
C421
680pF/50V
C421
680pF/50V
R412
5.1K/1%
R412
5.1K/1%
R
42
0
22
0K
R
42
0
22
0K
R405
510R/1%
R405
510R/1%
R442 470R
R442 470R
R421
39R
R421
39R
CN401
AV JACK
CN401
AV JACK
GND
2
Video
3
L
4
R
1
R401
24K/1%
R401
24K/1%
C
41
2
1u
F
/2
5V
C
41
2
1u
F
/2
5V
R419
5.1K
R419
5.1K
C407
4.7uF/10V
C407
4.7uF/10V
C
41
4
1u
F
/2
5V
C
41
4
1u
F
/2
5V
C401
82pF/50V
C401
82pF/50V
R
42
9
10
0K
R
42
9
10
0K
C
40
9
4.7
uF
/6
.3
V
C
40
9
4.7
uF
/6
.3
V
Q401
2N3904
Q401
2N3904
3
2
1
C422
680pF/50V
C422
680pF/50V
Q403
2N3904
Q403
2N3904
3
2
1
C
41
6
0.1
0.1
uF
/2
5V
C
41
6
0.1
0.1
uF
/2
5V
R422
39R
R422
39R
R
43
6
10
K
R
43
6
10
K
D408
BAT54A
SOT23
D408
BAT54A
SOT23
2
1
3
C408 4.7uF/10V
C408 4.7uF/10V
R439 470R
R439 470R
+
EC406
100uF/10V
+
EC406
100uF/10V
R404
5.1K/1%
R404
5.1K/1%
+
-
U401B
AZ4558
+
-
U401B
AZ4558
5
6
7
8
4
R
44
4
22
K
R
44
4
22
K
R415
10K
R415
10K
D401
BAV99
D401
BAV99
3
1
2
R413
1M
R413
1M
Q405
2N3904
Q405
2N3904
3
2
1
C402
3.3uF/10V
C402
3.3uF/10V
D403
P
E
S
D
5V
0S
1B
B
/N
M
D403
P
E
S
D
5V
0S
1B
B
/N
M
1
1
2
2
C
40
3
10
00
pF
/5
0V
C
40
3
10
00
pF
/5
0V
+
EC407
220uF/10V
+
EC407
220uF/10V
D402
P
E
S
D
5V
0S
1B
B
/N
M
D402
P
E
S
D
5V
0S
1B
B
/N
M
1
1
2
2
Q407
2N3904
Q407
2N3904
1
3
2
R434 10K
R434 10K
R425
39R
R425
39R
R
41
4
10
K
R
41
4
10
K
C420
680pF/50V
C420
680pF/50V
Q402
2N3904
Q402
2N3904
3
2
1
R402
1M
R402
1M
C406
82pF/50V
C406
82pF/50V
C405
3.3uF/10V
C405
3.3uF/10V
CN402
EARPHONE JACK
CN402
EARPHONE JACK
1
GND
2
DET
4
L
3
R
Q406
2N3906
Q406
2N3906
1
2
3
R409
220K
R409
220K
R426
20K
R426
20K
+
EC404
100uF/10V
+
EC404
100uF/10V
R
43
3
1K
R
43
3
1K
R432
51K
R432
51K
C
41
7
10
uF
/6
.3
V
C
41
7
10
uF
/6
.3
V
R441 470R
R441 470R
C
41
0
1u
F
/1
0V
C
41
0
1u
F
/1
0V
R435 470R
R435 470R
C423
680pF/50V
C423
680pF/50V
+
EC403
100uF/10V
+
EC403
100uF/10V
R437
10K
R437
10K
R411
7K5/1%
R411
7K5/1%
R445
4.7K
R445
4.7K
R427
20K
R427
20K
C419
10uF/16V
C419
10uF/16V
C
41
5
0.1
0.1
uF
/2
5V
C
41
5
0.1
0.1
uF
/2
5V
R
43
8
10
K
R
43
8
10
K
F
B
40
1
12
0o
hm
/1
00
M
H
z/2
5%
F
B
40
1
12
0o
hm
/1
00
M
H
z/2
5%
R403
7K5/1%
R403
7K5/1%
D404
P
E
S
D
5V
0S
1B
B
/N
M
D404
P
E
S
D
5V
0S
1B
B
/N
M
1
1
2
2
Q408
2N3906
Q408
2N3906
1
2
3
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