Main Assy (2/2) - Pioneer DVR-230-AV Service Manual

1

3.8 MAIN ASSY (2/2)

QQ
3 7 63 1515 0
A
V+1R5
CN2302
***
1
2
3
4
5
6
7
8
9
10
STBY
GNDD
B
UMF21N-TLB
C1 B2 E2 C1 B2 E2
C
B E
E1 B1 C2 E1 B1 C2
C
F 2/2
MAIN ASSY
(VXX3056)
TE
L 13942296513
D
E
CHIP SIZE
RESISTOR
: 2125size
RS1/10S-
: 1608size
RS1/16S-
CAPACITOR
: 2125size
CKSQ**-
: 1608size
CCSR**- or
CKSR**-
www
F
GNDD
F 2/2
GNDD
28
1
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2
V+6V
V+3D
R4011
6.8k
STBY
GNDD
V+5A
V+3D
GNDD
GNDA
Audio DAC
IC3201
PCM1742KE-TBB
(AD)
BCKO R3227 47 1
BCK SCK
ADATAO R3228 47 2
DATA
LRCKO R3230 47 3
LRCK
4
DGND
5
NC ZEROL
6
Vcc ZEROR
7
VoutL Vcom
8
VoutR AGND
C3204
330p
C3205
***p
GNDD
R3108
LCHIN
2-B5
100
R3109
RCHIN
2-B5
100
GNDD
x ao
y
for around upper left screw for around upper right screw
. i
GNDD
for around lower left screw for around lower right screw
GNDD
2
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3
IC4503
NJM2872F05-TLB
5V REG
V+5A
D4501
***
R4522
V+5AVI
1 5
IN OUT
2
0
GND
3 4
CNT BY
GNDD
R4524
STBY
D4502
***
IC4504 V+5D
1 5
IN OUT
2
GND
3 4
CNT BY
***
5V REG
GNDD
F 1/2
11
AMUTE
16
15 R3229 100 NSCS
ML
14 R3231 100 NSCLK
MC
13 R3232 100 NSDATA
MD
12
GNDD
11 ZEROR
10
9
GNDD
GNDA Q Q
3 6 7
R3209
R3208
8.2kD 56D
V+12A V+5A
R3214
6.8k
GNDA
R3224 R3223
8.2kD 56D
R3113
***
R3111
***
V+5A
Audio ADC
IC3101
PCM1803ADB-TBB
1 20
VINL MODE1
2 19
VINR MODE0
C3101 3 18
0.1 VREF1 FMT1
C3104 4 17
0.1 VREF2 FMT0
C3113 5 16
0.1 VCC OSR
6 15
AGND SCKI
7 14
PDWN VDD
8 13
BYPAS DGND
R3112
9 12
TEST DOUT
0
10 11
LRCK BCK
u163
GNDD
DVR-230-S
3
4
2 9 9 4
8
R4513 ***
V+3R45
R4514
***
IC4507 ***
D4507
3.3V REG
***
R4515
P_CONT2
2-A3,2-A4,2-B5 0
S-1170B33UC-OTS-TRB
GNDD
R4530 ***
V+3R45
R4531
***
IC4511 ***
D4508
***
R4535
***
P_CONT2
2-A3,2-A4,2-B5
***
GNDD
V+3D
R3202
***
C C2
B B2
V+3D Q3201
RN1903-T
E E2
Q3201
RN1903-T
GNDD
DACCLKO
F 1/2
V+12A
R3207
15kD
C3207
1 3 1 5 0 5 8 2 9
120p
R3210 L ch
2 GNDA
8
R3211
1
4.7k
3 100
4
IC3202 UPC4570G2-A-TFB
GNDA
R3220
***
R3235
***
GNDD
UPC4570G2-A-TFB
IC3202 R ch
4
5
R3222
R3225
7
100
8
6
4.7k
C3211
120p
R3226
15kD
AD_POW
XRESET
V+3D
STBY V+3D
5
4
2
3
IC3102
***
GNDD
R3105 R3103
0 0
(AD) m
R3107
***
ADATAI
BCKI
R3104
***
co LRCKI
R3106
***
.
4
2 8
9 9
V+3D
V+3V
STBY
R3204
***
AMUTE1
2-B6
9 4 2 8 9 9
LCHOUT
2-B5
GNDA
RCHOUT
2-B5
ADCCLKO
F 1/2
GNDD