Read Sony SAVA-57 Service Manual online
— 36 —
7G-1G
VDD
POWER RY
PLO/DELAY-CE
PLO/DELAY-DATA
PLO/DELAY-CLK
FRONT MUT
CENTER MUT
HCD IN
S/W MUT
RESET
—
—
AVSS
VOL CE
VOL DI1
VOL CL1
VOL DI2
VOL CL2
AUTO SW
KEY 1
KEY 0
AVDD
AVREF
STOP
XT2
VSS
X1
X2
REAR MUT
REAR POWER
S/W BOOST
—
CENTER EXT-SW
TV/SW
—
—
INT SIRCS
—
—
—
IC
STANDBY LED
READY LED
OPRATE LED
VDD
S24-S7
VLOAD
S6-S1
10G-8G
FL gride signal output
Power supply (+4.7V)
Power relay output
Dolby IC enable output
Dolby IC data output
Dolby IC clock output
Front speaker mute output
Senter speaker mute output
HCD connector input
Super woofer mute output
Reset signal input
Connected to ground
Connected to ground
Ground
Volume IC enable output
Volume IC data output 2
Volume IC clock output 2
Volume IC data output 1
Volume IC clock output 1
Line input level
AD input for key
AD input for key
Power supply (+4.7V)
Analog reference voltage input
STOP input
Not used
Ground
X’tal (5MHz)
X’tal (5MHz)
Rear speaker mute
Connected to ground
Super woofer boost
Power supply (+4.7V)
External center speaker switch input
TV SIRCS enable switch input
Connected to ground
Connected to ground
SIRCS input
Connected to ground
Connected to ground
Connected to ground
Connected to ground
LED output
LED output
LED output
Power supply (+4.7V)
FL segment signal output
Power supply (–25V) for FL segment signal output
FL segment signal output
FL gride signal output
1-7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53-70
71
72-77
78-80
O
–
O
O
O
O
O
O
I
O
I
–
–
–
O
O
O
O
O
I
I
I
–
I
I
–
–
I
O
O
O
O
–
I
I
–
–
I
–
–
–
–
O
O
O
–
O
–
O
O
Function
Function
Pin No.
Pin Name
I/O
6-13. IC PIN FUNCTIONS
• IC501 SYSTEM CONTROL (uPD78043FGF-012-3B9)
• Abbreviation
FL : Fluorescent indicator tube
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