Pioneer DVR-233-S Service Manual page 25

5
V+3R45
D4509
***
GNDD
R4534
0
P_CONT2
IC4512
2-B3 S-1170B25UC-
OTK-TRB
2.5V REG
GNDD
(SY)
E
YOUT
B
C
Q2501
Y_OUT
2SA1576A(QR)-TLB
(SC)
E
GNDD
COUT
B
C
Q2502
C_OUT
2SA1576A(QR)-TLB
(Y)
E
GNDD
GOUT
B
C
Q2503
Yp_OUT
2SA1576A(QR)-TLB
(PB)
E
GNDD
BOUT
B
C
Q2504
Cb_OUT 2SA1576A(QR)-TLB
(PR)
E
GNDD
ROUT
B
C
Q2505
Cr_OUT
2SA1576A(QR)-TLB
GNDD
V+5AVI
R2200
0
V+5V_IN
C2210
YI
YB
1 R2212
E
(SY) 10
B
C
Q2204
2SA1576A(QR)-TLB
C2217
CI
YB
1 R2211
E
(SC)
10
B
C
Q2203
2SA1576A(QR)-TLB
GNDD
XRESET
HS_T_TO_M
R3703
100
SS_T_TO_M
R3704 100
RX0
R3706 100
GNDD
5
6
V+2R5
V+5AVI
V+1R5
(SY)
(SC)
(Y)
(PB)
(PR)
GNDD
C2233 C2234
8p 27p
(SY)
R2222
L2204
L2202 R2202 ***
Y_IN
12µ 8.2µ 330F
C2231 C2232
8p 27p
(SC) R2221
L2203 L2201
R2201 C_IN ***
8.2µ
12µ 330F
R3711
0
V+3D
5.6k
R3732
5V → 3 V Converter
V+3D
IC3701
TC7WH34FU-TRB
5 4
3
6
7 2
1
8
C3703
GNDD
1 YF
R3722 ***
R3723
***
R3724
***
6
7
3R3V
R4591
0
R4592
0
R4593
0
P_CONT2 R2301
2-D1
6.8k
(SC)
GNDD
(SY)
(Y)
(PB)
(PR)
4
RCHOUT
2-C3
LCHOUT
2-B3
LCHIN
2-D1
RCHIN
2-D1
GNDA
SS_M_TO_T
ASCK
HS_M_TO_T
GNDD
V+1R5
IC3706
PST3428U-TRB
GNDD
GNDD
RXD
Lay out around the screw.
↓ for around upper left screw
GNDD
↓ for around lower left screw
GNDD
DVR-231-S
7
8
V+3V V+5A V+1R5
V+1R5_IN
V+3R45 equals 3.7v truly.
CN2301
C2303
VKN1526- -TFB
0.1
SW1.5
1
2 SW1.5
C2306
SW1.5
*** 3
R2303
1R5V 1.5RS
4
0 C2302
0.1
GND
5
V+3R45 SW3.45
6
SW3.45
7
C2301
0.1 GND
8
V+6V SW6
9
P_COMT2
10
V+12A SW12.5
11
7
12 GND
C2304
0.1
C_OUT
13
6
GND
14
Y_OUT
15
10 8 9
GND
16
YP_OUT
17
CB_OUT
18
CR_OUT
19
R2304
C 1/2
20 X525P
X525P
0
R_OUT
21
GNDA
22
L_OUT
23
R2302
AMUTE1
3
AMUTE1
24
2-B3 0
L_IN
25
GNDA
26
R_IN
27
(SY)
GND
28
Y_IN
29
(SC)
GND
30
C_IN
31
XRST1
32
HST_TO_M
33
DAT_TO_M
34
R3002 0
DAT_TO_T
35
R3003 0
ASCK
36
R3004 0
HST_TO_T
37
MRST
38
C3001
GND
39
***
SPDIF
40
5
GNDD
(D)
V+3D
V+3D
(D)
C
R3501
B
SPDIFO
Q3501
470
2SC4081(QR)-TLB
E
C 1/2 R3505
75F
GNDD
CHIP SIZE
RESISTOR
: 2125 size
RS1/10S–
: 1608 size
RS1/16–
CAPACITOR
: 2125 size
CKSQ**–
: 1608 size
CCSR**– or
CKSR**–
↓ for around upper right screw
GNDD
↓ for around lower right screw
GNDD
C
8
A
V+3R45
GNDD
B
C
D
GNDD
(D)
E
F
2/2
25