DVP-S9000ES
4-57
4-58
VIDEO BUFFER
VP-52 (6/6)
VP-52 (VIDEO BUFFER) SCHEMATIC DIAGRAM
• See page 4-43 for printed wiring board.
– Ref. No.: VP-52 board; 5,000 series –
• Waveforms
1
IC403
qg
2.2 Vp-p (H)
2
IC403
qd
1.8 Vp-p (H)
3
IC403
qa
2.4 Vp-p (H)
4
IC404
7
1.5 Vp-p (H)
5
IC405
7
1.5 Vp-p (H)
6
IC406
7
1.5 Vp-p (H)
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B+
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
B-
NO MARK:DVD/CD PLAY
4.8
-0.2
-0.2
-0.2
2.7
-4.9
-0.1
2.7
-0.1
-4.9
-0.1
4.8
4.8
4.8
0
0
0
4.8
4.8
0
-4.8
0
-4.8
0
-4.8
0
-4.8
0
0
0
0
0
0
4.7
0
0
-4.8
0
0
0
0
4.7
0
0
-4.8
0
0
0
4.7
0
EXCEPT
AEP,UK
AEP,UK
AEP,UK
EXCEPT
AEP,UK
EXCEPT
AEP,UK
EXCEPT
AEP,UK
AEP,UK
EXCEPT
AEP,UK
EXCEPT
AEP,UK
1
2
3
4
5
6
:AEP,UK
:EXCEPT AEP,UK
EXCEPT
AEP,UK
UN2111-TX
Q412
R457
75
10k
R463
0.01u
C431
0.1u
C437
100uH
L405
JL403
JL405
6.3V
68u
C427
10k
R441
JL406
UN2213-TX
Q409
+5V
JL404
WIDE
UN2111-TX
Q410
10k
R436
10k
R437
S-Y
S-C
VIDEO-OUT
LA7104M-TLM
IC403
1
2
3
4
5
6
7
8
9
1
01
11
21
31
41
51
6
100uH
L406
100uH
L407
6.3V
68u
C436
6.3V
68u
C435
6.3V
47u
C434
6.3V
47u
C433
6.3V
47u
C432
FL406
FL407
68
R447
0.1u
C438
0.1u
C439
10k
R462
UN2111-TX
Q413
10k
R442
0.01u
C425
47k
R429
47k
R431
47k
R433
16V
22u
C414
16V
22u
C415
0.1u
C416
HZM6.8ZWA1TL
D404
JL409
J404
JL412
JL407
0
R508
Y
C
G
G
C
G
G
Y
J402
J403
HZM6.8ZWA1TL
D403
JL411
JL408
0
R506
JL410
R482
75
HZM6.8ZWA1TL
D405
0
R507
HZM6.8ZWA1TL
D406
J405
J401
AD8058ARM-REEL
IC404
1
2
3
4
5678
10
R459
*
R464
2200
R465
0.01u
C440
2SD1938(F)-S(TX).SO
Q418
1k
R452
10
R451
10k
R448
0.01u
C443
0
R470
0.01u
C446
R486
75
2SD1938(F)-S(TX).SO
Q419
R488
75
10
R460
2200
R467
0.01u
C444
10
R453
1k
R454
0.01u
C441
AD8058ARM-REEL
IC405
1
2
3
4
5678
*
R466
10k
R449
0
R472
0.01u
C447
2SD1938(F)-S(TX).SO
Q420
0.01u
C445
10k
R450
0.01u
C442
10
R455
1k
R456
0
R474
AD8058ARM-REEL
IC406
1
2
3
4
5678
*
R468
0.01u
C448
2200
R469
10
R461
R490
75
47k
R446
0.1u
C428
0.1u
C429
0.1u
C430
VMUTECO
22k
R443
R483
75
R484
75
R485
75
22P
CN401
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
RY
RB-Y
RR-Y
VMUTEOC
RGBSEL
FL405
+12V
6.3V
47u
C426
0
R493
0
R494
0
R495
0
R496
0
R497
0
R498
100uH
L404
PSW
J406
1200
R492
1k
R499
1k
R505
S401
75
R458
2p
C452
2p
C453
2p
C454
1
2
3
4
5
6
7
1
A
+12V
+5V
GND
-5V
GND
R
GND
GND
B
GND
GND
G
GND
Y
GND
RGBSEL
WIDE
VMUTEOC
V
GND
C
GND
Y IN
NFB1
MUTE1
C IN
NFB2
-5V
V IN
NFB3
+5V
Y OUT
GND
C OUT
DR CTL
V OUT
MUTE2
-5V
VP-52 BOARD (5/6)
4
2
16
L
I
K
12
G
6
8
D
E
VP-52 BOARD (6/6)
B
7
05
15
13
10
17
11
C
H
F
3
18
J
14
9
4
5
M
ER-11 BOARD (1/2)
CN901
(SEE PAGE 4-71)
VIDEO AMP
IC406
IC405
VIDEO AMP
IC404
VIDEO AMP
VIDEO BUFFER
IC403
Y/CHROMA
CHROMA
Y
VIDEO SIGNAL
SIGNAL PATH
PB
/
/
Y
R
B
P
P
C
B
R
C
COMPONENT
VIDEO OUT
SELECTABLE
INTERLACE
PROGRESSIVE
SCAN SELECT
VIDEO OUT
VIDEO 1
VIDEO 2
VIDEO OUT
OUT
S VIDEO 2
S VIDEO 1
S VIDEO
VP-52 BOARD (2/6)
VP-52 BOARD (1/6)
VP-52 BOARD (2/6)
VP-52 BOARD (2/6)
VP-52 BOARD (1/6)
VP-52 BOARD (1/6)
VP-52 BOARD (1/6)
VP-52 BOARD (5/6)
(SEE PAGE 4-56)
VP-52 BOARD (1/6)
VP-52 BOARD (2/6)
*
*J402
1P
2P
Q412,413
WIDE SWITCH
WIDE SWITCH
Q409,410
MUTE
MUTE
MUTE
: EXCEPT AEP, UK
: AEP, UK
2200
2400
*
R464
: EXCEPT AEP, UK
: AEP, UK
2200
2400
*
R466
: EXCEPT AEP, UK
: AEP, UK
2200
2400
*
R468