Pioneer DVR-230-AV Service Manual page 23

5
QQ
3 7 63 1515 0
U601 VXF1060-
1 2 3 4 5
GND
R_OUT
3-B2
L_OUT
3-B2
L_OUT
TE GND
L 13942296513
C 3/3
R_OUT
AMUTE2
1-B3
C 1/3
AMUTE1
AV2_V/YIN1
3-D2
C 3/3
AV2_V/YIN
3-B4
Note 8
www
.
5
http://www.xiaoyu163.com
TV TUNER PACK
21
20 V+31V
19
18
<U/V TUNER BLOCK>
6 7 8 9 10 11 12 13 14 15 16 17
GND
CTF1399- -T
CTF1399- -T
E E
B B
C C
Q601
Q602
GND GND
2SA1576A(QR)-TLB 2SA1576A(QR)-TLB
(SIF)
V+12R1E V+12R1SW
V+5V
C
E
Q503
B
UMD2N-TLB E2
GND
Q503
B2
GND UMD2N-TLB C
C2 B
E
GND
GND GND
R1121
R1119
0
0
: VIDEO SIGNAL ROUTE
(TU)
: TUNER VIDEO SIGNAL ROUTE
(SY)
: S-VIDEO SIGNAL ROUTE (Y ch)
(SC)
: S-VIDEO SIGNAL ROUTE (C ch)
(Cr)
: COMPONENT VIDEO SIGNAL ROUTE (Cr ch)
x ao
y
(Cb)
: COMPONENT VIDEO SIGNAL ROUTE (Cb ch)
(Yp)
i
: COMPONENT VIDEO SIGNAL ROUTE (Yp ch)
: AUDIO SIGNAL ROUTE (L ch)
(D)
: AUDIO SIGNAL ROUTE (Digital ch)
(SIF)
: AUDIO SIGNAL ROUTE (SIF ch)
http://www.xiaoyu163.com
6
8
***(2125)
UMF21N-TLB
L601 R601
C
12(2125)
V+5TU
R604 R631
10(2125) 0(2125)
L604
L605
R605
***
10(2125)
R606
12(2125)
GND
GND
GND
(TU)
4V
3-D2
C 3/3
Q Q
3 6 7 1 3
IR 1-C3
C 2/3
GND
SEL_IR 1-C3
SPDIF 2-B3
YOUT
3-C3
C 3/3
CBOUT
3-C3
CROUT
3-C3
VOUT2
3-C3
GND C 3/3
COUT2
3-C3
YOUT2
3-C3
u163
.
DVR-230-S
6
7
2 9 9 4 2 8
V+5R8E
R609
Q603
E
B
C 3/3
GND
C2
B2
RFTHRU 4R
1-A3 3-B1
4L
E2 C 1/3
Q603
3-B1
UMF21N-TLB
R628
GND
0
V+5R8SW
R629
0
C613
R632 R635
0 0
0.1/25
R627
0
GND
1 5 0 5 8 2 9 9 4
V+5R8SW
V+5R8SW
GND
R611 0
IR
R612 0
SEL_IR
R613 0
SPDIF
10
(Yp)
GND
R614 0
YOUT
11
(Cb)
GND
R615 0
CBOUT
12
(Cr)
GND
R616 0
CROUT
GND
R_OUT
13
GNDA
L_OUT
14
GND
R617 0
VOUT2
15
(SC)
GND
R618 0
COUT2
16
(SY) GND
R619 0
YOUT2
AMUTE
GND
m
GND
co
7
8
9 9
A
B
4R
13
GND
12
4L
11
GND
10
XRST1
9
GND
8
STACHG
7
GND
6
GND
5
YF
SDA
4
V+5R8SW
3
SCL
2
SIF
1
VKN2016-
CN601
GND
from TUFL-con
AFT
SDA
STACHG
C
XRST1
2 8 9 9
CN603
VKN1509- -TFB
D
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
E
F
C 2/3
23
8