Pioneer DVR-231-S Service Manual page 19

5
QQ
3 7 63 1515 0
V+5VO
A 1/3
525P
1-A3,2-A3
GND
C_OUT
Y_OUT
YP_OUT
CB_OUT
CR_OUT
GND
L_OUT
GNDA
R_OUT
TE
L 13942296513
A 1/3
AMUTE2
1-B3
AMUTE1
L_IN
R_IN
Y
S-VIDEO
C
VIDEO
L
AUDIO
R
JA502
VKB1224-
www
VIDEO
1
L
(MONO)
4
AUDIO
R
.
7
(LPR1251-0121)
5
http://www.xiaoyu163.com
R452
from TU-CON
A
***
V+5VO
Q401
UMD2N-TLB E2
B2
C2
R409
100
Q401
UMD2N-TLB C
B
R410 C407
820
100/10
E
C408
C409
GND
(SC) C410
0.1
YB
(SY)
C411
YB
0.1
0.1 C412
0 YB
R413
C414
0.1
YB
C415
YB
0.1
V+12R1E V+12R1SW
V+5V
E2
GND
Q503
B2
GND UMD2N-TLB C
C2 B
UMD2N-TLB
Q503
E
GND
GND GND
JA501
VKB1192-
SDET1 A 1/3
(SY)
1-C3
1C
3-C1
(SC)
A
1V
3-C1
GND
R513
100
R515
100
A
2V
3-C1
3
2
x ao
R518
6
y
100
5
9
i
R520
8
100
GND
http://www.xiaoyu163.com
6
8
1/3
(D)
R401
SPDIF
2-B3
***
V+5VO
IC401
<VIDEO DRIVER BLOCK>
LA73054-TBB
6ch VIDEO DRIVER
0.1 1 36
GAIN SW1
VCC VCC
0.1 2 35
1/2DRIVE1
CVBS IN
C424
3 34
VCC
SQUEEZE
4 33 0.1
CVBS OUT
LETTER
R412
5 32
GND
MUTE1
0 6 31
C OUT
C IN
7 30
ASPECT
GND
8 29
GND
Y1 IN
9 28
Y OUT1
YCMIX
10 27
GND
Y2/G SW
11 26
GND
Y2(G)IN
12 25
Y OUT2
MUTE2
C423
13 24
VCC
LPF SW
C413
0.1
0.1 14 23
Cb OUT
Cb(B)IN
15 22
GND
GAIN SW2
16 21
Cr OUT
Cr(R)IN
17 20
GND
GND
C416
18 19
1/2DRIVE2
REG
100/10
12 13
C417
0.1
GND
C501
R502
47/16 470
R503
B
Q Q
3.9K
3 6 7 1 3
R506
B2
3.9K
C502
R505
47/16 470
A 3/3
C507
4R
3-C6
10/50
1Y
C508
4L
3-C6
A 3/3
10/50
GND
3/3
C510
10/50
C512
10/50
GND
3/3
u163 C517
10/50
.
C520
10/50
GND
DVR-231-S
6
7
2 9 9 4 2 8
V+5R8SW
R436
C404
0
***
C405
Q402
2SC4081(QR)-TLB
***
***
C
B
E
C403
R407 (D)
1/50
R405 0
0
GND
8
C422
10
470/6.3
(SC)
D405
(D)
***
9
(SY)
C421 R444 120F
D404 C418
470/6.3
11
(Y)
470/6.3 R414 220F
***
R445 120F
(PB)
C419
470/6.3 R415 220F
R446 ***
C420
(PR)
1000/6.3 R416 75F
D401
R447 ***
***
(SY)
R417 75F
R448 ***
(SC)
C442
R418 75F
0.1
R449 ***
R420 75F
R507 100
C
Q501
R508 100
HN1C03FU(AB)-T
1 5 0 5 8 2 9 9 4
E
GNDA
E2
HN1C03FU(AB)-T
Q501
C2
R509
0
R510
0
GND GNDA
IC601
(BD3823FV)
C531 0.1 1 20
R5 SELECT
C532
0.1 2 19
L5 ROUT
3 18
TunerR LOUT
4 17
TunerL VCC
5 16
R1 VRR
6 15 C523
L1 FILTER
7 14
R2 GND
R523
8 13
L2 SCL
C533 R522
0.1
9 12
R3 SDA
C534
0.1
10 11
L3 GND
m
ELECTRIC. VOL
co
GND
7
8
9 9
A
B
JA401
VKB1223-
DIGITAL
6
OUT
7
(PR)
10
P
R
9
(PB)
14
P
B
13
(Y)
18
Y
17
Y
1
GNDA
3
5
S-VIDEO
4
C
2
8
C
GND
VIDEO
11
12
L
15
16
R
19
2 8 9 9
D
E
1
V+12R1VOL
R528
33
C524
10/50
100/16
GND
100 SCL
SDA
100
GND
F
A 2/3
19
8