Pioneer DVR-231-S Service Manual page 21

5
QQ
3 7 63 1515 0
U601 VXF1059- (KU)
IN
OUT
1 2 3 4
15
GND
TE
L 13942296513
www
.
5
http://www.xiaoyu163.com
21
20
19
18
5 6 7 8 9 10 11 12 13 14 15 16 17
GND
CTF1399- -T
14
V+5TU
Q603
E
R616
B
1K
C
2SA1576A(QR)-TLB
GND
V+12R1VOL
C611
YB
***
E
R604 R605 R606
B
*** *** ***
C
GND
GND
GND
C614
YB
*** E2
R608
R609 R610
B2
*** ***
***
C2
GND
GND GND
R901 0 R918 0 R921
R902 0 R919 0 R922
R903 0 R920 0 R923
x ao
y
GND GND GND GND GND
R904 0 R907 0 R910
i
R905 0 R908 0 R911
R906 0 R909 0 R912
GND GND GND GND GND
http://www.xiaoyu163.com
6
8
<U/V TUNER BLOCK>
L601
***
W504
Q Q
3 6 7 1 3
R612
0
R603
***
R613
GND
***
R614
0
R615
0
R927 0
0 R924 0 R928 0
0 R925 0 R929 0
0 R926 0 R930 0
u163
GND GND GND GND GND
0 R913 0 R915 0
.
0 R914 0 R916 0
0 R917 0
GND GND GND GNDA GNDA
DVR-231-S
6
7
2 9 9 4 2 8
V+31V
R601
L605
12
VTL1165- -T
R602
***
12
R617
W505
5.6
GND
SCL
1 5 0 5 8 2 9 9 4
SDA
4V
4L
4R
GND
m
: VIDEO SIGNAL ROUTE
co
(SY)
: S-VIDEO SIGNAL ROUTE (Y ch)
(SC)
: S-VIDEO SIGNAL ROUTE (C ch)
: AUDIO SIGNAL ROUTE (L ch)
7
8
9 9
A
V+5TU
B
AGC
A 1/3
1-B3
C
SCL
1-C3
A 1/3
2 8 9 9
SDA
1-C3
4V
3-C2
4L
2-C5
A 2/3
4R
2-C5
D
E
F
A 3/3
21
8