Pioneer DVR-233-S Service Manual page 19

5
R452
***
UMD2N-TLB
V+5VO
B2
Q401
UMD2N-TLB C
A 1/3 B
525P
R410
1-A3,2-A3
E
GND
(SC)
C_OUT
(SY)
Y_OUT
YP_OUT
CB_OUT
CR_OUT
GND
L_OUT
GNDA
R_OUT
V+5V
E2
A 1/3
AMUTE2
1-B3
B2
GND
C2
UMD2N-TLB
Q503
GND
GND
AMUTE1
L_IN
R_IN
JA501
VKB1192-
SDET1
6
1
1-C3
3
Y
S-VIDEO
5
C
4
2 (SC)
12
VIDEO
14
15
L
17
AUDIO
18
R
20
JA502
VKB1224-
3
VIDEO
2
1
L
6
(MONO)
5
4
AUDIO
9
R
8
7
(LPR1251-0121)
GND
5
6
from TU-CON
A 1/3
V+5VO
Q401
E2
C2
V+5VO
R409
100
C407
820
6ch VIDEO DRIVER
100/10
C408
0.1 1
VCC VCC
C409
0.1 2
GND CVBS IN
3
SQUEEZE
4
LETTER
R412
5
MUTE1
C410
0 6
C IN
0.1
YB
7
GND
C411
8
Y1 IN
YB
0.1 9
YCMIX
10
Y2/G SW
0.1 C412
11
Y2(G)IN
0 YB
12
MUTE2
R413
13
LPF SW
C414 C413
0.1
14
Cb(B)IN
0.1
YB
15
C415 GAIN SW2
16
Cr(R)IN
YB
0.1 17
GND
C416
18
REG
100/10
C417
0.1
V+12R1E V+12R1SW
GND
Q503
UMD2N-TLB C
B
E
GND
A 1/3
(SY)
1Y
1C
3-C1 A 3/3
GND
A 3/3
1V
3-C1
GND
R513 C510
10/50
100
R515 C512
10/50
100
GND
A 3/3
2V
3-C1
R518 C517
10/50
100
C520
R520
10/50
100
GND
6
7
R436
0
Q402
2SC4081(QR)-TLB
(D)
***
C
R401
B
SPDIF
2-B3
***
E
R405
IC401
<VIDEO DRIVER BLOCK>
LA73054-TBB
36
GAIN SW1
35
1/2DRIVE1
C424
8
34
VCC
C422
33 0.1
CVBS OUT
10
32 470/6.3
GND
D405
31
C OUT
30 ***
ASPECT
9
29
GND
C421
28
Y OUT1
D404
27 470/6.3
GND
11
26
GND
25 ***
Y OUT2
C423
24
VCC
(PB)
C419
0.1
23
Cb OUT
22 470/6.3
GND
21
Cr OUT
20
GND (PR)
19
1/2DRIVE2
D401
***
12 13
GND
C501
R502
47/16 470
C
R503
B Q501
HN1C03FU(AB)-T
3.9K
E
GNDA
E2
R506
HN1C03FU(AB)-T
Q501
B2
3.9K
C2
C502
R505
47/16 470
A 3/3
C507
4R
3-C6
10/50
C508
4L
3-C6
10/50
C531 0.1
C532 0.1
C533
0.1
C534
0.1
10
GND
DVR-231-S
7
8
V+5R8SW
C404
***
C405
***
C403
R407 (D)
1/50
0
0
GND
JA401
(SC)
VKB1223-
(D)
6
(SY)
R444 120F
7
(PR)
C418
10
(Y)
470/6.3 R414 220F
9
(PB)
R445 120F
14
13
R415 220F (Y)
R446 *** 18
C420
17
1000/6.3 R416 75F
R447 *** Y
1
(SY) GNDA
3
R417 75F
4
R448 ***
C
(SC)
C442
2
R418 75F
0.1
8
GND
R449 ***
11
R420 75F
12
R507 100
15
16
R508 100
19
R509
0
R510
0
GND GNDA
IC601
(BD3823FV)
1 20 1
R5 SELECT
2 19
L5 ROUT
3 18
R528
TunerR LOUT
33
4 17
TunerL VCC
C524
5 16
R1 VRR
10/50
6 15 C523
L1 FILTER
100/16
7 14
R2 GND
R523
8 13 100
L2 SCL
R522
9 12 100
R3 SDA
11
L3 GND
ELECTRIC. VOL
GND
8
A
B
DIGITAL
OUT
P
R
P
B
Y
5
S-VIDEO
C
VIDEO
L
R
D
E
V+12R1VOL
GND
SCL
SDA
F
A 2/3
19