Sony RDR-GX300 Service Manual page 57

For Schematic Diagram
• Refer to page 4-4 for waveforms.
2 3
1
AV-84 BOARD(6/8)
NO MARK:REC/PB MODE
A
VIDEO IN
R :REC MODE
P :PB MODE
-REF.NO.:10000 SERIES-
B+
UNSW5V
M1MA152WK-T1
B 6
TO(1/8) SW3.3V
TU_PCONT
VIN_GND
L2_CVBSIN
L2_YCCIN
C 20 L2_YCCIN
TO(7/8)
C701
L2_YCYIN 0.1u
L2_YCYIN
B
16V
15
TO(4/8) TU_VIDEO
C702
0.1u
B
16V
L3_YCYIN
C704
0.1u
B
16V
D
L1_CVBSIN
C703
0.1u
B
16V
E
IC701
21
TO(7/8)
VIDEO SELECT
F
G
C706
0.1u
16V
B
L3_CVBSIN
C707
0.1u
B 16V
L1_YCCIN
C709
0.1u
B 16V
L3_YCCIN
L1_YCYIN
TU_PCONT
TU_PCONT
H
HDET
HDET
VSYNC
VSYNC
CSYNC
CSYNC
18
TO(5/8)
YCSEPON
INSEL_1
INSEL_2
INSEL_TU
SLICE_V
I
16
All manuals and user guides at all-guides.com
4 5 6
B+
5.0 4.9
C711 Q702
0.1u R709
2SB1197K-T-146-R
B 10k
4.2
16V
D701
Q701,702
POEWR SW
R710
1k
R703 0.1
R3.7
4700
P2.4
Q701
C712 MUN2212T1
47u
16V
JL714
JL713 JL715
R743
R707 10k
10k
C742
C741 C713 C719 C721
220p 470p
0.001u
0.01u 0.01u
CH
CH
B B
25V CH
50V 25V
25V
50V
C714
C725
1u
R711 R712
B
10k 10k
10V
44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
R708
0
R705
0
C715 C716 C718 C720 C723
C751 C708
0.1u 0.1u 0.01u 47u 0.1u
0.1u 0.1u
B B 16V B
B
B
B 16V
16V 16V 25V
16V
16V
C722
0.01u
B
25V
4-17
7 8 9
SIGNAL PATH
VIDEO SIGNAL
CHROMA Y
REC
PB
L701
10uH
B+
R717
1k
B+
C717
C727
0.01u R754
47u R1.3
B 1k P0.8
16V
R0.7
P0.1
R716 R720
0.1u 1k
1k
B
16V
Q703
MSB709-RT1
R713
Y BUFFER
0
JL718
27 26 25 24 23
18 19 20 21 22
C726
C724
C710
0.1u
0.1u
0.1u
B
B
B
16V
16V 16V
10 11 12
Y/CHROMA
R721
1k
JL716
REC_Y
12
JL717 TO(2/8)
REC_C
R755
1k
1.5
0.9
Q704
MSB709-RT1
C BUFFER
4-18
RDR-GX300
VIDEO IN
AV-84 (6/8)