If Com - Sony DVP-K370 Service Manual

Q Q
3 7 6 3 1 5 1 5 0
For Schematic Diagram
• Refer to page 4-4 for waveform.
2 3 4
1
IF-92 BOARD
The components identified by mark 0 or dotted
A Note :

IF COM

line with mark 0 are critical for safety.
-REF.NO.:3000 SERIES-
Replace only with part number specified.
XX MARK:NO MOUNT
B
TO AV-63 BOARD(1/2) TO MB-103 BOARD(7/7)
CN202 CN102
(AF-122 HARNESS) (MF-129 HARNESS)
(SEE PAGE 4-28) (SEE PAGE 4-24)
C
D
E
FB401 0uH
IC403
+1.8V REG
C428
F T E
L 22u 1 3 9 4 2 2 9 6 5 1 3
IC403
25V C429
LMS8117ADTX-1.8/NOPB
100u
25V
ET403
GND
XX
1.8 C423
VOUT
XX
3.4
C414 C416
VIN
0.01u 0.01u
C426 B
B
22u
25V
C412 C415
0.01u XX ET402
G
B XX
C411
100u
16V
C409
C406
0.01u
XX
ET401
C408 B
XX XX
H
C405
XX
C407
0.01u
B
C401
R410 0.01u
XX B
I
3.4
3.2
R415
1800
J
R418
10k
PS401 PS402
1.0A 0.7A
K
w w w
L
.
M
TO SWITCHING REGURATOR
CN201(PF-129 HARNESS)
(SEE PAGE 4-44,46)
16
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5 6 7 8
R433
10k
R426
R421
3900
2700
PICTURE MODE SURROUND
R434
10k
R423 R422 R430
R427
22k 8200 3900 2700
(TITLE) DISPLAY
(DVD
(RETURN) MENU) (STOP)
R435
10k
R428 R431 R414
8200 3900 2700
(NEXT) (PAUSE) (PREV)
(OPEN/CLOSE)
R437
120
R424
33
C424
XX
R474
100
IC406
IC406
GP1UD28SYK
REMOTE COMMANDER
RECEIVER
3 2 1
R496 C440
0.01u
47
B
C441
R497
47u
100k
25V
Q401
2SC5053T100Q
-0.1
C419
R417 DC/DC CONVERTER
220u 3
3900
x a o u 1 6 3
25V
-13.2 y
T401
D-D CONVERTER
B-
-12.9
C417
i
0.01u 2
L401
-13.2 47uH
3
Q402
4
2SC5053T100Q
-0.1
DC/DC CONVERTER
6
5
4-33
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8
9 10 11 12
C437
0.01u
B
B+
R488
XX
D413
XX
80 79 78 77 76 75 74 73 72
R455
XX
VSS
1.4
XIN
1.6
XOUT 1
R448 0
10k TEST
3.5
X401 VDD
0
C427
SEL2
0.01u
R454 10k 3.3
B
Q Q /FRRST
R444
3.5
3 7 6 3 1
100
/RST
R498 0
XX /STOP
3.5
R499
R450
SELF_CHECK IC404
XX
10k
3.5
IR
JL438
Q403 IF CON
N.C.
XX
JL439
N.C.
3.0 IC404
/CS TMP86CK74AF-1620
1.5
SI
3.3
SO
3.3
/SC
JL440
N.C.
JL441
N.C.
JL442
N.C.
3.4
BUZ
JL443
N.C.
3.4
/AMUTE
3.4
/VMUTE
R440
10k
25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
C420
R472 0.01u
XX B
IC405
IC405
S-80830ANUP-EDT-T2
RESET
GND
3.5
VCC
3.5
R446
VOUT
100k
C421
0.001u
B
B+
D405
c o
MA113-(TX)
D406
C425
C422 C431
MA113-(TX)
0.1u 47u
. 0.1u
10
B 50V B
D403
MA113-(TX)
1
D404
R490
MA113-(TX)
27k
7
8
9
2 4
9 9 8
13 14 15 16
JL424
R425
JL425
100
R481
JL426
100
R482
JL427
100
R483
JL428
100
R484
JL429
100
R485
JL430
100
JL431
JL432
DIG1
DIG2
71 70 69 68 67 66 65
DIG3
DIG4
DIG5
DIG6
-15.5 JL467
SEG18 DIG7
SEG18
-23.8 JL468 SEG17
DIG8
SEG17
-29.6 JL469 SEG16
DIG9
SEG16
JL470
-21.0 SEG15 DIG10
SEG15
JL471
-15.5 SEG14 DIG11
SEG14
-32.4 JL472 SEG13
DIG12
SEG13
-32.4 JL473 SEG12
DIG13
SEG12
-29.6 JL474 SEG11
5 1 5 0 8 9 2 4 9
SEG11
JL475
-21.0 SEG10
SEG10
-26.8 JL476
SEG9
SEG9
-26.9 JL477 SEG8
SEG8
-26.9 JL478 SEG7
SEG7
JL479
-21.4 SEG6
SEG6
-12.8 JL480
SEG5
SEG5
-32.5 JL481 SEG4
SEG4
-32.4 JL482 SEG3
SEG3
-32.4 JL483 SEG2
SEG2
JL484
-18.5 SEG1
SEG1
JL452
N.C.
JL451
N.C.
JL450
N.C.
JL449
N.C.
JL448
N.C.
JL447
N.C.
SEG18
SEG17
SEG16
SEG15
SEG14
C432
0.01u SEG13
B
SEG12
SEG11
SEG10
SEG9
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
S412 BZ401
R401 XX SEG1
XX
(PLAY)
CN406 5P
m
JL433
CURSOR
1 GND
B+ JL434
2 EVER +3.3
JL435
3 CURSOR
JL436
4 N.C.
JL437
PUSH
5 N.C. ENTER
4-34
DVP-K370
2
9 9
17 18
B TO B
CN404 9P
1 SOO
2 GND
3 SCO
4 SIO TO
MB-103 BOARD(7/7)
5 XIFBUSY
CN101
6 XIFCS (SEE PAGE 4-24)
7 3.3V_MNT
8 XFRRST
9 GND
CN405 10P
1 3.3V_MNT
2 XFRRST
3 XIFBUSY
4 XIFCS
5 SIO
FOR
CHECK
6 SOO
7 SC0
8 GND
9 IFRST
10 PCONT
ND401
C433
FLUORESCENT INDICATOR TUBE
XX
F1
F1
2
C434
XX
G1
G2
G3
G4
G5
G6
G7
G8
G9
G10
G11
G12
G13
8 2 9 9
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
F2
F2
2
IF COM
IF-092