Sony SLV-7700KME, Service Manual

Page: 47 / 135

SLV-7700KME/7700KML
4-10.TUNER BLOCK DIAGRAM
TU V IC704
TU-168 BOARD
3
CN703
17 12V
MOD V 6 1
MA-303 BOARD
FROM
VIDEO BLOCK
CN701
EEPROM
TU701
IN
OUT
18 A OUT MOD A 2
1 UN 5V
4 UN 5V
7
30V
9 30V
5V
REG
Q701
D705
D6V
UNSW 13V
38V
SW 12V
22 V OUT
TU A IC706 5
TO
VIDEO
BLOCK
PLL CLK
10
IC702
5
6
SDA 3
SCL 5
PLL DATA 11
PLL ENABLE 12
AFT
20
SW1 15
SW2 21
V/A SW IC704 2
V/A SW IC703 10
TO
VIDEO
BLOCK
TO
KARAOKE.AUDIO I/O
BLOCK
11
,
2
5
CN780
2
3
18
19
17
14
20
1
21
MOD V
MOD A MOD A
NA PB
PLL CLK
IIC DATA
IIC CLK
PLL DATA
PLL ENABLE
AFT
SW1
SW2
V/A SW
HI-66 BOARD
TO/FROM
DISPLAY CONT.
CN305
MA-303 BOARD
FROM
AUDIO BLOCK
CN701
MA-303 BOARD
FROM
SYSCON BLOCK
CN701
TO
KARAOKE.AUDIO I/O
BLOCK
16
Q753
Q756,757
Q752
Q754
Q755
(SEE PAGE 4-6)
(SEE PAGE 4-8)
(SEE PAGE 4-12)
(SEE PAGE 4-10)
(SEE PAGE 4-5)
(SEE PAGE 4-13)
(SEE PAGE 4-5)
(SEE PAGE 4-13)
4-19 4-20