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VP-52 (VIDEO BUFFER) SCHEMATIC DIAGRAM • See page 4-43 for printed wiring board.
Q Q
– Ref. No.: VP-52 board; 5,000 series –
3 7 6 3 1 5 1 5 0
1
2
3
4
VP-52 BOARD (6/6)
A
NO MARK:DVD/CD PLAY
PSW
VP-52 BOARD (1/6)
B+
+5V
B
B+
C414
22u
16V
S-Y
VP-52 BOARD (2/6)
VP-52 BOARD (1/6)
VMUTECO
C
C416
0.1u
VP-52 BOARD (2/6)
S-C
C415
22u
16V
VP-52 BOARD (2/6)
VIDEO-OUT
D
R429
R431
R433
Q409
47k
47k
47k
UN2213-TX
WIDE
VP-52 BOARD (1/6)
0
E
Q410
4.8
UN2111-TX
4.8
Q409,410
WIDE SWITCH
0
R437
R436
10k
10k
F
B-
1
B-
G
L406
B+
100uH
2
T E
L
1 3 9 4 2 2 9 6 5 1 3
C428
0.1u
3
H
C432
47u
6.3V
B-
L407
100uH
I
4
VP-52 BOARD (5/6)
C429
(SEE PAGE 4-56)
0.1u
4
C433
47u
6.3V
J
5
K
C430
0.1u
6
C434
47u
6.3V
L
7
• Waveforms
M
05
1 IC403 qg
w w w
.
2.2 Vp-p (H)
5
6
7
8
B+
L405
B+
100uH
B+
1
R443
22k
IC403
LA7104M-TLM
2
-0.1
4.8
Y IN
+5V
-0.2
NFB1
Y OUT
2.7
MUTE1
GND
-0.1
-0.2
C IN
C OUT
NFB2
DR CTL
-4.9
-0.2
Q412,413
-5V
V OUT
WIDE SWITCH
B-
2.7
V IN
MUTE2
-0.1
Q413
4.8
-4.9
3
UN2111-TX
NFB3
-5V
B-
4.8
0
C425
Q412
0.01u
IC403
UN2111-TX
4.8
C427
C431
0
68u
VIDEO BUFFER
0.01u
6.3V
R441
R442
C426
10k
10k
47u
6.3V
EXCEPT
AEP,UK
L404
100uH
B+
B-
*R464
2200
: EXCEPT AEP, UK
2400
: AEP, UK
B+
B+
IC404
IC404
AD8058ARM-REEL
4
VIDEO AMP
0
4.7
C452
R464
2p
0
0
Q418
*
2SD1938(F)-S(TX).SO
R470
MUTE
0
0
0
R451
R459
10
-4.8
0
10
R452
0
1k
C436
68u
C443
R465
0.01u
6.3V
-4.8
2200
B-
R448
C440
C446
10k
0.01u
0.01u
C435
68u
B+
6.3V
IC405
IC405
AD8058ARM-REEL
5
VIDEO AMP
0
4.7
C453
2p
R466
0
0
Q419
*
2SD1938(F)-S(TX).SO
R472
MUTE
0
0
0
*R466
R453
R460
2200
10
-4.8
0
2400
10
R454
0
1k
C444
R467
R446
0.01u
-4.8
47k
2200
B-
R449
C441
C447
10k
0.01u
0.01u
B+
IC406
IC406
AD8058ARM-REEL
6
VIDEO AMP
0
4.7
C454
2p
R468
0
0
Q420
*
2SD1938(F)-S(TX).SO
R474
MUTE
0
0
0
*R468
R455
R461
2200
-4.8
0
10
10
2400
R456
0
1k
R469
C445
-4.8
2200
B-
0.01u
R450
C442
C448
10k
0.01u
0.01u
2 IC403 qd
3 IC403 qa
x
a o
y
i
1.8 Vp-p (H)
2.4 Vp-p (H)
4-57
http://www.xiaoyu163.com
8
9
10
11
12
13
R482
75
R483
75
JL403
EXCEPT
C438
R457
AEP,UK
0.1u
75
JL404
C439
R458
0.1u
75
JL405
JL406
R484
75
R485
75
EXCEPT
AEP,UK
EXCEPT
D405
AEP,UK
HZM6.8ZWA1TL
C437
R462
R463
10k
0.1u
10k
R447
68
D403
D404
HZM6.8ZWA1TL
HZM6.8ZWA1TL
B+
B-
Q
Q
3
7
6
3
R486
75
R488
75
: EXCEPT AEP, UK
: AEP, UK
R490
75
: EXCEPT AEP, UK
: AEP, UK
4 IC404 7
5 IC405 7
u 1 6 3
.
1.5 Vp-p (H)
http://www.xiaoyu163.com
2
4
9
9
8
14
15
16
17
R492
R499
R505
1200
1k
1k
S401
PROGRESSIVE
INTERLACE
SCAN SELECT
EXCEPT
AEP,UK
SELECTABLE
R493
0
JL407
J401
EXCEPT
AEP,UK
VIDEO OUT
R494
0
VIDEO 1
VIDEO 2
JL408
AEP,UK
J406
VIDEO OUT
*J402
1P
:AEP,UK
2P
:EXCEPT AEP,UK
*
J402
R495
0
JL409
R496
0
JL410
R497
EXCEPT
0
AEP,UK
R498
0
S VIDEO
OUT
S VIDEO 1
S VIDEO 2
D406
JL411
HZM6.8ZWA1TL
JL412
B+
+12V
VP-52 BOARD (1/6)
RY
RB-Y
VP-52 BOARD (2/6)
RR-Y
FL405
B+
CN401
22P
AEP,UK
1
+12V
FL406
2
+5V
3
GND
4
-5V
FL407
5
GND
AEP,UK
6
R
B-
7
GND
8
GND
9
B
ER-11 BOARD (1/2)
10
GND
CN901
11
GND
(SEE PAGE 4-71)
12
G
1
5
1
5
0
8
9
2
4
13
GND
14
Y
15
GND
16
RGBSEL
17
WIDE
18
VMUTEOC
19
V
20
GND
21
C
22
GND
VMUTEOC
VP-52 BOARD (1/6)
RGBSEL
VP-52 BOARD (5/6)
J403
R506
Y
0
COMPONENT
R507
P
/
C
J404
B
B
VIDEO OUT
0
P
/
C
R508
J405
R
R
0
SIGNAL PATH
VIDEO SIGNAL
CHROMA
Y
Y/CHROMA
PB
6 IC406 7
m
c o
1.5 Vp-p (H)
1.5 Vp-p (H)
4-58
DVP-S9000ES
2
9
9
18
9
8
2
9
9
VIDEO BUFFER
VP-52 (6/6)
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