Sony RMT-V266A, Service Manual, Page: 44 / 95

SLV-AX10/AX20/N50/N60/N70/N80/
LX4/LX5/LX6S/LX7S/LX8S
3-4. TUNER BLOCK DIAGRAM
MA-370 BOARD
BLOCK
TO/FROM
SYSTEM
CONTROL
TU700
VHF/
UHF
IN
OUT
(MONO)
3 CH
4 CH
S701
RF UNIT
CH SW
3
VIDEO IN
6
AUDIO IN
2
DET OUT
24
MPX OUT
21
CONT
5
DATA
12
CLOCK
11
ENABLE
10
AFT
23
RF AGC
9
VIF
17
5V
4
5V
14
30V
16
LX4/LX5 MODEL
TU701
VHF/
UHF
IN
OUT
(HIFI)
CH SW
3
VIDEO IN
6
AUDIO IN
2
DET OUT
24
R OUT
31
CONT
5
DATA
12
CLOCK
11
ENABLE
10
AFT
23
RF AGC
9
VIF
17
5V
4
5V
14
30V
16
EXCEPT LX4/LX5 MODEL
L OUT
32
ST IND
26
SAP IND
27
MODE
28
F MONO
29
MUTE
30
L704
30V
SW5V
L703 BLOCK
FROM
POWER
RF VIDEO Q501 C
RF AUDIO
C336
JS326 JS326
EXCEPT
LX4/LX5 MODEL
LX4/LX5
MODEL
BLOCK
FROM
VIDEO
BLOCK
FROM
AUDIO
TU VIDEO IN IC201 39
BLOCK
FROM
VIDEO
TU AUDIO L
IC301 2
TU AUDIO R IC301 3
LX4/LX5
MODEL
R713
IC201 78
LX4/LX5
MODEL
BLOCK
FROM
AUDIO
TV/VTR IC160 21
PLL DATA IC160 60
PLL CLOCK IC160 59
PLL ENABLE IC160 61
TU AFT IC160 3
STEREO IC160 85
SAP IC160 86
MAIN/SAP IC160 83
F MONO IC160 84
TA MUTE
IC160 62
16
(SEE PAGE 4-15)
(SEE PAGE 3-3)
(SEE PAGE 3-3)
(SEE PAGE 3-6)
(SEE PAGE 3-10)
(SEE PAGE 3-10)
3-7 3-8