Sony LX70S VCR User Manual


 
SLV-LX40/LX50/LX60S/LX70S
MA-405 (TUNER) SCHEMATIC DIAGRAM
– Ref. No: MA-405 board; 1000 series –
• See page 4-5 for printed wiring board.
TUNER
MA-405(5/7)
A
123456789101112
13 14
B
C
D
E
F
G
H
I
J
MA-405 BOARD(5/7)
TUNER (TU BLOCK)
XX MARK:NO MOUNT
4-15 4-16
Note :
The components identified by
mark ! or dotted line with mark
! are critical for safety.
Replace only with part number
specified.
JL705
16V
100u
C709
TS4
1/4W
560
R723
JL702
JL716
JL701
JL703
SW_5V
AN_GND
JL711
0.033u
25V
B
C797
JS753
JL704
JL715
XX
C705
16V
100u
C712
VS15
JL717
TS3
R712
0
25V
47u
C701
2200p
B
C707
R702
3300
1/10W
HT3
RD33ES-T1B3
D702
VT2
HT1
0.22u
C794
B
TS1
TS5
TU701
2 3 4 5 6 10 11 12 13 14 15 16 17 18 21 22 23 24
560
R704
JL713
TS2
+30V
1/4W
390
R703
SIF
470k
R724
1/10W
16V
10µ
C796
S701
0.01u
B
C702
0.01u
B
C710
0.01u
B
C706
1/4W
1k
R701
1k
R709
1k
R710
1k
R711
50V
4.7u
C704
2.2uH
L703
2.2uH
L704
470p
C798
470p
C799
470p
C800
AN_GND
A5
A1
A4
A2
A3
A5
+30V
A1
A2
A3
A4
AN_GND
RFCH
4CH
3CH
MA-405 (2/7)
(SEE PAGE 4-9)
MA-405 (7/7)
(SEE PAGE 4-19)
MA-405 (3/7)
(SEE PAHE 4-11)
TV/VTR
PLL CLOCK
PLL DATA
PLL ENABLE
TU AFT
MA-405 (4/7)
(SEE PAGE 4-13)
AUDIO IN
CONT
NC
IF
VIDEO IN
ENABLE
CH SW
DET OUT
SIF
AFT
AUDIO OUT
5V
5V
NC
DATA
30V
NC
CLOCK
TU VIDEO IN
TU AUDIO MONO
RF V OUT
RF AUDIO OUT
MA-405 (2/7)
(SEE PAHE 4-9)
AN GND
B+
B+
B+
B+
B+
B+
IF
8
16
13
8
REC
PB
CHROMA Y Y/CHROMA
AUDIO
SIGNAL
VIDEO SIGNAL
SIGNAL PATH
14
LX40/LX50