Main Assy (2/2) - Pioneer DVR-233-S Service Manual

1

3.7 MAIN ASSY (2/2)

C 2/2
A
MAIN ASSY (VXX2985)
UMF21N-TLB
C1 B2 E2
C
B E
E1 B1 C2
R2003–2007
STEPUP
0
BASE
***
B
V+5A
GNDA
BCKO
R3227 47
(AD)
ADATAO
R3228 47
C
LRCKO
R3230 47
D
V+5A
E
R3108
LCHIN
2-B5
0
C3101 0.1
R3109
C3104
RCHIN 0.1
2-B5
0 C3113 0.1
R3112
GNDD ***
F
C 2/2
24
1
2
5V REG
V+6V
1
IN
2
GND
C1 B2 E2 3
CNT
NJM2872F05-TLB
E1 B1 C2
GNDD
V+3D
R2521–2525
*** R4011
0
6.8k
GNDD
V+3D
GNDD
IC3201
PCM1742KE-TBB
11
Audio DAC
1 16
BCK SCK
2 15
DATA ML
3 14
LRCK
MC
4 13
DGND MD
5 12
NC
ZEROL
6 11
Vcc ZEROR
7 10
VoutL Vcom
8 9
VoutR
AGND
C3204
330p
C3205
***p
GNDA
GNDD
R3113
***
R3111
***
V+3D
IC3101
PCM1802DB1-TBB
Audio ADC
1 20
VINL MODE1
2 19
VINR MODE0
3 18
VREF1 FMT1
4 17
VREF2 FMT0
5 16
R3105
VCC OSR
0
6 15
AGND SCKI
7 14
PDWN VDD
8 13 (AD)
R3107
BYPAS DGND
***
9 12
TEST DOUT
10 11
LRCK BCK
R3104
***
R3106
***
GNDD
2
3
V+3R45
D4501
V+5A
***
R4522
3.3V REG
5
V+5AVI
OUT
0
4
BY
IC4503
P_CONT2
2-B3
V+5D
V+3D
AMUTE
DACCLKO
R3229 100 NSCS
C 1/2
R3231 100 NSCLK
R3232 100 NSDATA
GNDD
ZEROR
GNDD
R3207
15kD
R3209
R3208 R3210
2
8.2kD 56D 4.7k
3
+
V+12A V+5A
R3214
6.8k
+
5
GNDA
R3224 R3223
R3225
-
6
8.2kD 56D 4.7k
R3226
15kD
AD_POW
XRESET
(SY)
(SC)
(PR)
R3103
0
ADCCLKO
(PB)
C 1/2
ADATAI
(Y)
BCKI
LRCKI
(D)
(AD)
GNDD
DVR-231-S
3
4
R4513
***
R4514
***
D4507
IC4507
S-1170B33UC-OTS-TRB
***
***
R4515
0
GNDD
V+3D
R3202 R3204
***
***
C C2
B B2
Q3201
RN1903-T
E E2
Q3201
RN1903-T
GNDD
V+12A
C3207
120p
8
-
GNDA
L ch
R3211
1
LCHOUT
IC3202 2-B5
100
4
UPC4570G2-A-TFB
GNDA
IC3202
4
UPC4570G2-A-TFB
R ch
R3222
RCHOUT
7
2-B5
100
8
C3211
120p
: S-VIDEO SIGNAL ROUTE (Y ch)
: S-VIDEO SIGNAL ROUTE (C ch)
: COMPONENT VIDEO SIGNAL ROUTE (P
: COMPONENT VIDEO SIGNAL ROUTE (P
: COMPONENT VIDEO SIGNAL ROUTE (Y ch)
: AUDIO SIGNAL ROUTE (L ch)
: AUDIO SIGNAL ROUTE (Digital ch)
: AUDIO DATA SIGNAL ROUTE
4
V+3D
V+3V
AMUTE1
2-B6
ch)
R
ch)
B