Sony SLV-E830B, Service Manual

Page: 33 / 129

SLV-E830B/E830NP/E830VC1/E830VC2
3-6. TUNER BLOCK DIAGRAM
3-11 3-12
RF
MOD
4
5
5 6 9 7
Q510
(SEE PAGE 3-3)
(SEE PAGE 4-21)
(SEE PAGE 3-8)
(SEE PAGE 3-6)
(SEE PAGE 3-3)
(SEE PAGE 3-8)
2
3
SPLITTER
35 36 24
UHF/
VHF
IN
OUT
TV
VTR
RFU 750
TV/VTR UNSW 5V 30V SDA SCL
MODE
CONT
Q751,752
MOD V
MOD A
FROM
VIDEO
BLOCK
FROM
AUDIO
BLOCK
11
25
14
13
25 12 34 33 21 14 13 15 35 36 24
TU/IF
DEMODULATOR
RF
TU702
BG/L CLOCK RF AGC SDA 5V 30V BG L/L AFT ENABLE DATA SCL 5V
32
41
39
40
V DET
L OUT
M OUT
R OUT
UN30V
SW 5V
IC160
CN164
17 CN164
IC160
CN164
16
18
15
CN164
51 IC160
9
CN164
IC160
CN164
SCL
PLL DATA
TU ENABLE
PLL CLOCK
SW 1
AFT
SW 2
AUTO PRESET
SDA
MODE CONT
Q703
L750
L701
AUTO
PRESET
2 11 20 19 7 5 4 6 21 22 10
TU/IF
DEMODULATOR
IN
OUT
V DET
M OUT
BG/L
CLOCK
RF AGC
SDA
BG/L/L
AFT
ENABLE
DATA
SCL
5V 5V
30V
18
25
UHF/
VHF
4
IC540
3 IC820
1
IC360
2 IC360
44 IC360
TU VIDEO
TU L
TU R
TU M
12
IC360
D6V
MA-316 BOARD
TO/FROM
SYSCON
BLOCK
TO
VIDEO
BLOCK
TO
AUDIO
BLOCK
EXCEPT NP MODEL
16
L755
D750
R711
TU701
R OUT 26
L OUT 27
3
NP MODEL