Sony GV-A500E, Service Manual

Page: 29 / 127

GV-A500/A500E
3-6. AUDIO BLOCK DIAGRAM
3-15 3-16
IC109
@™
PB
IC109
@¢
REC
IC109
@ª
REC/PB
IC109
#¡
REC/PB
140msec
(NTSC) V
0.22Vp-p
1.5MHz (NTSC)
0.2Vp-p
3.58MHz (NTSC)
3Vp-p
40msec (PAL)
33msec (NTSC)
BPF
26
14
8
CN207
FOR
CHECK
BPF MON
REC AFM
AFADE 47 EVR
FROM
VIDEO 1
BLOCK
PB RF
Q1141
AU BPF
45
EVR
3
PB1.5M
PB1.7M
MOD/
DEMOD
36
16
22
24
23
29
1.7M DEV 46 EVR
REC AFM
1 IC101
FSC 94 IC106
1.5M DEV
44 EVR
FROM
VIDEO2
BLOCK
NR
AGC
4
A(L)
62
2
64
50
49
52
A(R)
LINE(L)
LINE(R)
HP(L)
LINE(L)
LINE HP(R)
53
MUTE
Q1487
MUTE
Q1486
Q1491
MX
MTX
NR
31 SWP 4 IC117
56
A3.2V
54 A4.9V
63
VC-197 BOARD
ST/MONO
DET
BUS
DECODER
60 VC SO 34 IC117
59 VC SCK 4 IC119
58 CS AU
25
IC117
20 VC SI
33
IC117
TO/FROM
SYSTEM
CONTROL
BLOCK
ON/OFF
MUTE SW
Q1493,1494
BUFFER
32
POWER MUTE
Q1492
Q1488
MUTE
Q1490
MUTE
Q1489
HP L
46
IC361
TO
VIDEO 1
BLOCK
HP/LINE R
48
IC361
15
IC001
IC109
AFM PROCESSOR
4
2
3
10
12
9
Q004
Q003
Q002
8
1
SP SEL
SP VOL
SP ON
SP SEL
BEEP
Q001
MUTE
R IN
L IN
LINE
AMP
MUTE
Q007
HP/SP AMP
19
18
20
13
14
HP L
SP+
SP
HP R
AU4.9V
LINE
AMP
Q010
MUTE
Q008
Q009
20
43
44
28
40
27
Q1956
19
16
19
44
43
27
39
28
20
14
16
41
40
24
36
25
17
IO-62
BOARD
FP-573
(FLEXIBLE)
CN001 CN002 CN107
AUDIO L I/O
AUDIO R I/O
HP L2
HP R2
HP SENS
JACK MONO
SP1
SP2
14
16
41
40
24
36
25
17
7
2
1
2
CN103
CN104
1
7
2
1
FP-574
(FLEXIBLE)
CN001
CN106
SPEAKER
AUDIO
IN
L
R
(MONO)
J002
6
4
17
15
6
4
17
15
FP-570
(FLEXIBLE)
CN203 CN204
AUDIO L
AUDIO R
EZ AL
EZ AR
6
4
17
15
CN109
ADI UNREG
23
26
.
23
26
.
23
26
.
ADI UNREG
6
4
17
15
6
5
15
14
AUDIO L
AUDIO R
EZ AL
EZ AR
23
26
.
18
19
.
ADI UNREG
EX-34
BOARD
ACCESSORY
TERMINAL
HP SENS
70
IC1952
JACK MONO
65
IC1952
BEEP 60 IC1952
HP ON
78
IC1952
SP ON
6
IC1952
SP SEL
5 IC1952
SP VOL 20 EVR
AU IN/OUT
26
IC106
TO/FROM
MODE
CONTROL
BLOCK
FROM
VIDEO 1
BLOCK
FROM
VIDEO 2
BLOCK
16
(SEE PAGE 3-8)
(SEE PAGE 3-4)
(SEE PAGE 3-18)
(SEE PAGE
3-13)
(SEE PAGE
3-8,3-9)
(SEE PAGE 3-4)
(SEE PAGE 4-51)
(SEE PAGE 3-5)
(SEE PAGE 4-59)
(SEE PAGE 4-55)