Audio Block Diagram - Sony GV-A500 Service Manual

GV-A500/A500E

3-6. AUDIO BLOCK DIAGRAM

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