Sony GV-A500 Service Manual ▷ View online
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)
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)
3-13)
(SEE PAGE
3-8,3-9)
3-8,3-9)
(SEE PAGE 3-4)
(SEE PAGE 4-51)
(SEE PAGE 3-5)
(SEE PAGE 4-59)
(SEE PAGE 4-55)
GV-A500/A500E
3-4. SERVO BLOCK DIAGRAM
3-10
3-11
3-12
IC121
12@ª
REC/PB
1Vp-p
6.7msec (PAL)
5.6msec (NTSC)
5.6msec (NTSC)
IC117
$£
REC/PB
IC117
$¢
REC/PB
IC117
%§
REC/PB
IC117
%¶
REC/PB
IC117
%•
REC/PB
IC117
^¶
IC117
^ª
REC/PB
IC120
3
REC/PB
IC120
!£
REC
IC120
#¡
3Vp-p
26
µ
sec
3Vp-p
3Vp-p
3Vp-p
40msec (PAL)
34msec (NTSC)
34msec (NTSC)
3.33msec (PAL)
2.78msec (NTSC)
2.78msec (NTSC)
3Vp-p
5.86MHz (PAL)
5.94MHz (NTSC)
5.94MHz (NTSC)
0.4Vp-p
(NTSC)
V
0.35Vp-p
(NTSC/PAL)
5
µ
sec
26
µ
sec
3Vp-p
0.87msec (PAL)
1.2msec (NTSC)
1.2msec (NTSC)
1.7Vp-p
11.72MHz (PAL)
11.89MHz (NTSC)
11.89MHz (NTSC)
0.3Vp-p
V
IC120
2
REC/PB
0.4Vp-p
(NTSC)
V
IC121
!¡
REC/PB
IC121
!•
REC/PB
IC501
4
REC/PB
IC501
^¢
REC/PB
0.7Vp-p
506kHz
0.7Vp-p
506kHz
B-MECHA
VCC
CFG(+)
CFG( )
CAP FG
WAVE
SHAPER
IC001
(1/2)
3
12
11
3
2
1
FG
CAPSTAN FG
DRUM
RUM FG
FG/PG COM
DRUM PG
PG
3
12
11
3
2
1
CN104
D3.2V
CAP FG
OFFSET ADJ
(1/2)
IC121
(1/2)
CN103
WAVE
SHAPER
18
15
14
13
VREF
LPF
WAVE
SHAPER
15
11
DRUM FG/PG
WAVE SHAPER
VC-197 BOARD
57
56
44
DRUM PWM
DRUM FG
DRUM PG
IC117
(2/2)
SERVO CONTROL
LPF
8
10
12
9
7
6
0.22V
IC122
(4/4)
LPF
ERROR
AMP
9
10
Q1851
11
FRB
9
10
CN106
DRUM ERROR
CAP ERROR
SHORT CIRCUIT
PROTECT
LPF
21
22
10
12
11
16
17
14
SHORT CIRCUIT
PROTECT
9
VS
VCC1
7
SWITCHING
DRIVE
SWITCHING
DRIVE
PWM
PWM
64
4
29
30
63
5,6
OUTPUT
VTR UNREG
RT
CT
CN502
L505
L504
SWITCHING
Q501
SWITCHING
Q502
VTR UNREG
IC501
(2/2)
DRUM/CAPSTAN
PWM DRIVE
3
CN502
42
27
.
4
1
.
2
3
42
27
.
4
1
.
2
LCD DD ON
VTR DD ON
DRUM VS
CAP VS
CN106
OUTPUT
DRIVE
BUFFER
LCD DD ON
58
IC1952
OUTPUT
DRIVE
CONTROL
LOGIC
3
STBY
30
29
2
1
25
27
6
26
28
8
STBY
VTR UNREG
D3.2V
VCC2
COM
U IN
V IN
W IN
W
V
U
ICOM
R1851-1853
DRUM DRIVE
CURRENT SENS
IC121
(2/2)
DRUM
MOTOR DRIVE
VTR DD ON
29
IC1952
FROM
MODE
MODE
CONTROL
BLOCK
9
4
.
10
9
4
.
10
DRUM COM
DRUM U
7
.
8
7
.
8
DRUM V
5
.
6
5
.
6
DRUM W
CN104
B-MECHA
(2/2)
6
.
5
CN103
4
10
9
6
.
5
4
10
9
120
°
LOGIC
POWER
OFF
HE
POWER
M901
DRUM MOTOR
VTR UNREG
M902
H
H
H
H1 (+)
CAP U
CAP V
CAP W
VS
VCC
STBY
FRC
U IN1
U IN2
H1 ( )
VH +
VH
H1 (+)
H1 ( )
H1 (+)
H1 ( )
H1 (+)
H2 (+)
H2 ( )
H3 (+)
H3 ( )
H1 ( )
V IN1
V IN2
W IN1
W IN2
U
V
W
CAPSTAN
MOTOR
CAP VS
CAP ON
CAP FWD
43
CAP PWM
LPF
68
67
X1752
11.89MHz
OSC1
OSC0
66
REF PILOT
ATT
71
ATF ERR AD
1
DRUM ON
89
CAP ON
90
CAP FWD
69
ATF 5.9M
26
CS ATF
97
ATF STBY
FROM
VIDEO 1
BLOCK
CFG DUTY
21
EVR
58 CAP FG
30 CFG HMS
4
CAP FG
CN207
(FOR CHECK)
86 VDD VPP
76 AV REF
77 A VDD
42 VDD
87 VDD
EVER 3.15V
21 CS
MODULATOR
14 STBY
20 S IN
19 SCLK
11
FROM
VIDEO 2
BLOCK
TO/FROM
SYSTEM
CONTROL
BLOCK
31
13
LPF
VC SO
34
IC117
VC SCK
4
IC119
RP PB MODE
5
IC117
PBRF
17
IC101
REC ATF
63
IC101
REF PILOT
VREF
46kHz
BPF
LPF
AMP
17
5
CLK 5.9M
30
AVDD
18
DVDD
LPF
16kHz
BPF
9
2
3
LPF
7
6
8
D3.2V
L1753
10
IC120
ATF SERVO
(2/2)
16
4dB
AMP
SP IN
29
IC120(1/2)
PAL ONLY
(NTSC)
11.72MHz
(PAL)
Q1752,1753
DD-100 BOARD
(SEE PAGE 4-44)
(SEE PAGE 3-4)
(SEE PAGE 3-13)
(SEE PAGE 3-9)
(SEE PAGE 4-75)
(SEE PAGE 3-18)
GV-A500/A500E
3-17
3-7. MODE CONTROL BLOCK DIAGRAM
3-18
3-19
IC1952
$¡
REC/PB
IC1952
%™
REC/PB
1.7Vp-p
20MHz
32.768kHz
2.3Vp-p
TO/FROM
DD-100
BOARD
67
FK-71 BOARD
REW
3
CN001
FF
REC
PLAY
COUNTER
RESET
STOP
S006
S005
S003,004
S002
S001
VC-197 BOARD
4
SLOW
PAUSE
S008
S007
5
S009
DISPLAY
8
10
D002
D006
S010
VOL
34
VOL
BRIGHT
BRIGHT
S106
S105
S104
S103
S101
CONTROL
DIAL
MENU
S102
S107
31
33
32
CN103
+
+
28
D109
D3.2V
POWER
S001
LANC
J001
1
6
2
FP-575 BLOCK
(FLEXIBLE)
1
6
2
RF DC
J102
OUT
CN105
LANC SIG
RF DC OUT
LANC DC
22
19
21
12
34
31
33
32
28
22
19
21
12
37
34
36
35
32
25
22
24
13
38
33
35
36
31
26
21
23
14
VTR MODE SW
CN002
CN001
CN107
FP-573
(FLEXIBLE)
DIAL A
KEY AD3
DIAL B
KEY AD6
IR LED ON
3
4
5
8
10
CN110
PAUSE LED
REC LED
KEY AD2
KEY AD1
KEY AD0
5
P CLOSE
S361
CN361
BOARD
IR-29
5
8
8
SIRCS
12
10
6
REMOTE
CONTROL
RECEIVER
1
4
(POWER ON)
D001
CN001
D3.2V
IC001
FP-574
(FLEXIBLE)
12
10
6
45
47
46
45
47
46
48
50
49
47
49
50
BOARD
IO-62
FP-573
(FLEXIBLE)
A4.9V
PWR ON LED
SIRCS
A4.9V
PWR ON LED
CN002
CN001
CN104
CN103
FP-572
(FLEXIBLE)
CN109
CN108
A4.9V
ID1
8
10
11
FP-570
(FLEXIBLE)
LANC SIG
ID2
8
10
11
8
10
11
8
10
11
CN204
CN203
8
11
17
BOARD
EX-34
CN107
ACCESSORY
TERMINAL
ID1
LANC SIG
ID2
CURRENT
LIMIT
A4.9V
Q1358,1359
LED
DRIVE
Q1961
92 KEY AD0
93 KEY AD1
94 KEY AD2
21 REC LED
7
PAUSE LED
95 KEY AD3
84 MENU A
85 MENU B
98 KEY AD6
20 IR LED ON
14 VTR MODE SW
97 KEY AD5
4
SIRCS IN
82 POWER LED ON
73 SHOE ID1
83 ID2
LED
DRIVE
Q1957
17 EJECT SW
S1952
EJECT
32kHz IN
32kHz OUT
X1951
32.768kHz
40 20MHz OUT
41 20MHz IN
X1952
20MHz
IC1952
MODE CONTROL
66
59
36
43
S JACK IN
V JACK IN
SIRCS ENV
SIRCS CARRIER
IR ON
11
VC STBY
S JACK IN
1
CN107
TOFROM
VIDEO 1
BLOCK
V JACK IN
2
CN107
SIRCS ENV
C
Q351
SIRCS CARRIER
B
Q351
IR ON
14
IC361
UVIC BUSY
29
IC111
UVIC CS
13
IC111
SYS RST
28
IC111
HI SCK
12
IC111
HI SO
10
IC111
HI SI
3
IC112
68
UVIC BUSY
23
UVIC CS
9
SYS RST
64
UVIC BUSY
Q1960
46
OSD SCK
44
CS OSD
45
OSD SO
35
HI SCK
34
HI SO
33
HI SI
24
CS VSC
SWP
4
IC117
HI SCK
26
IC701
HI SO
28
IC701
HI SI
30
IC701
CS VSC
27
IC701
SYS RST
24
IC701
OSD SCK
1
IC104
CS OSD
2
IC104
OSD SO
3
IC104
4
,IC104
TO/FROM
VIDEO 2
BLOCK
HI SCK
62
IC117
HI SO
60
IC117
HI SI
61
IC117
62
SYS V
63
SWP
SYS V
12
IC117
VC STBY
31
IC117
10
VC RST
VC RST
38
IC117
22
CS VC
CS VC
59
IC117
18
CC DOWN
CC DOWN
2
CN102
27
CS LCD D/A
CS LCD D/A
22
IC802
TO/FROM
SYSTEM
CONTROL
BLOCK
57
ALTERNATE
ALTERNATE
B
Q806
HI SCK
20
IC802
HI SO
19
IC802
56
PANEL JOG
PANEL JOG
B
Q814
80
DRY BATT
LCD DD ON
29
IC501
TO
LCD
BLOCK
VTR DD ON
30
IC501
58
LCD DD ON
TO
SERVO
BLOCK
BLOCK
6
V OUT
7
V IN
BACKUP VCC
INTIAL RESET
IC1951
77
75
51
42
..
87
86
..
61
BATT IN
69
LIPREEND
38
RESET
4
CS
2
PREEND
5
RESET
3
VBAT
8
VR O
S1951
RESET
71
BATT SENS
BACKUP VCC
D1956
Q1951-1954
D1952
D1955
VTR UNREG
D3.2V
EVER 3.15V
A4.9V
VCO
3
LANC ON
4
POWER
LANC I/O
IC1995
2
LANC OUT
12
DATA I
1
LANC IN
10
DATA O
19 LANC PWR ON
9
WAKE
1
UNREG
14 LANC DC
11 LANC I/O
8
VCC
VCO
UNREG
VTR
IO-62 BOARD
IF
BLOCK
32
DC PACK SW
47
SHOE ON
29
VTR DD ON
48
BATT SI
49
BATT SO
Q1959,1963
42
CN111
27
34
41
29
LCD DD ON
VTR DD ON
DC PACK SW
SHOE ON
BATT SIG
3
.
4
1
.
2
3
.
4
1
.
2
LITHIUM
BATTRY
BATTRY
BT001
FP-571
(FLEXIBLE)
16
LI3V
53
52
SP ON
Q003
6
SP ON
TO/FROM
AUDIO
BLOCK
SP SEL
Q004
5
SP SEL
HP ON
Q002
78
HP ON
BEEP
18
IC001
60
BEEP
JACK MONO
19
CN107
65
JACK MONO
HP SENS
40
CN107
70
HP SENS
LASER
LINC
SEL/PUSH
EXEC
(SEE PAGE 4-59)
(SEE PAGE 4-55)
(SEE PAGE 4-39)
(SEE PAGE 4-55)
(SEE PAGE 4-47)
(SEE PAGE 3-5)
(SEE PAGE 3-8)
(SEE PAGE 3-14)
(SEE PAGE 3-20)
(SEE PAGE 3-12)
(SEE PAGE 3-15)
GV-A500/A500E
3-8. LCD BLOCK DIAGRAM
3-20
3-21
3-22
1
D3.2V
IC802
13
LCD Y
15
IC129
VC-197 BOARD
FROM
VIDEO 1
BLOCK
FILTER
Q802
BUFFER
LCD C
13
IC129
CG R
16
IC104
Q801
-6dB AMP
IC803
10
9
5
4
2
1
13
12
11
1
2
4
3
6
8
Q811
LCD 4.9V
IC804
CG G
17
IC104
CG B
18
IC104
VBO
15
IC104
CG VD
19
IC104
Q808
I/O EXP
VDD
14 VCC
23 VDDA
20 CLK
LCD 4.9V
CN112
1
BRIGHT
4
BRT R
5
BRT B
6
CONT
9
CONT R
10
CONT B
2
COLOR
3
HUE
43
Q805
BUFFER
Q806
IC805
SW
1
4
2
SW
Q814
12 C OUT
9
R-Y
10 B-Y
16 APC FIL
7
BURST
13
6
35
34
43
28
27
32
LCD 4.9V
HUE
COLOR
SB CONT B
SB CONT R
CONTRAST
SB BRT B
SB BRT R
BRIGHT
PAL
ONLY
8
KIL FILL
FILTER
Q804
8
V COM
11
H POS
18
W MODE
15
NTSC
12
BL LEV
19 SI
22 EN
34
IC1952
35
IC1952
57
IC1952
56
IC1952
27
IC1952
HI SCK
HI SO
CS LCD D/A
ALTERNATE
PANEL JOG
FROM
VIDEO 2
BLOCK
TO/FROM
MODE
CONTROL
BLOCK
Q813
BUFFER
91
IC117
HOLD
TO/FROM
SYSTEM
CONTROL
BLOCK
48
PICTURE
16 VCO O
VCO I
39
EXT B
40
EXT G
41
EXT R
3
Y IN
5
C IN
RGB DECODER
IC801
LCD 4.9V
RGB
DECODER
3.58MHz
(NTSC)
4.43MHz
(PAL)
X801
17
VCC1
20
R OUT
22
G OUT
24
B OUT
36
SYNC IN
37
SYNC OUT
29
FRP
VCC2
LCD 4.9V
VSH 12V
L805
V COM
VPH
W MODE
NTSC
BL LEV
Q803
BUFFER
10
R900
BL UNREG
LCD 4.9V
VDD 3.2V
VGH 18.5V
VGL -10.5V
R880
L901
R888
L904
R904
L902
R902
CN802
2
3
7
9
4
8
4
VR
VG
VB
HDB
FRP
V COM
SRT
(FOR CHECK)
6
SYNC
VR
VG
VB
HDB
FRP
SRT
SYNC
5
6
12
16
11
13
27
29
25
2
24
21
23
BL UNREG
P4.9V
VDD3.2V
VSH 12V
VGH 18.5V
VGL -10.5V
VCO
WMSK
QVD
WHB
9
22
19
10
26
1
20
14
15
4
5
6
12
16
11
13
27
29
25
2
24
21
23
9
22
19
10
26
1
20
14
15
4
5
6
12
16
11
13
2
24
21
23
9
22
19
10
1
20
14
15
4
5
6
11
13
12
16
1
21
22
2
19
3
5
3
5
1
2
1
2
VR
VG
VB
FRP
VDD3.2V
VSH
VGH
VGL
V COM
VPH
W MODE
NTSC
VCO
WMSK
QVD
WHB
SRT
HDB
SYNC
VG
VR
VB
9
V COM
SRT
IC802
LCD DRIVER
HDB
18
WMSK
SYNC
10
15
NTSC
17
W MODE
WHB
14
QVD
20
VPH
1
2
3
8
IC803
V COM
(1/2)
VCO
VSH
VDD3.2V
VGL
VGH
L808
L803
VDD 3.2V
VSH 12V
VGL -10.5V
VGH 18.5V
FRP
CN801
2
34 SW
SRT1
33 HDB
7 CSY
8 M3
3 M1
44 WHB
41 QVD
1 PHO IN
2 PHO OUT
30 PD
27 OSCI
26 OSCO
IC803
5
6
7
V COM
(1/2)
11 FRP
16
SRT2
24
RIGHT
15
DOWN
13
GPCK
23
MCLK
22
HCNT
46
SCNT
48
HSW
12
GRES
14
GSRT
20
OE
21
CLR
18
RESET
Q801,803
CN802
BL UNREG
P4.9V
BL LEV
SAW
OSC
OSC
SHORT
CIRCUIT
PROTECT
IC801
DC/DC CONV.
7
1
3
5
VOL
ERR AMP
4
VCC
BUFFER
Q808
Q806
Q807
PROTECT
SWITCH
2
1
3
5
4.
D808
L801
L806
L805
Q812
SWITCHING
INV
SW
SW
Q816
2
3
5
6
12
7
1
T801
INV TRANCE
INV
CONV.
IC804
1
4
Q817
Q818
LED SW
3
2
LOW
HIGH
CN803
CN804
4
1
3
25
26
8
15
14
7
5
17
18
16
19
6
9
20
12
13
10
23
22
24
11
2
21
VR
VG
VB
V COM
VBC
VSS
SRT L
SRT R
MODE1
MODE2
GPCK
MCLK
HCNT
SCNT
HSW
GRES
GSRT
OE
CLR
RESET
VSH
VDD
VREF H
VGL
VGH
VREF L
LCD
PANEL
(4 INCH)
PD-88 BOARD
BACK
LIGHT
FP-576
(FLEXIBLE)
P4.9V
BL LEV
BL UNREG
16
7
VCO
25
VSH 12V
14
(SEE PAGE 4-33)
(SEE PAGE 3-5)
(SEE PAGE 3-8)
(SEE PAGE 3-18)
(SEE PAGE 3-13)
(SEE PAGE 4-68)
IC801
5
REC/PB
IC801
!¢
REC/PB
IC801
@º
REC/PB
IC801
@™
REC/PB
IC801
@¢
REC/PB
IC801
#§
REC/PB
IC801
#¶
0.4Vp-p
(NTSC)
(NTSC)
H
0.7Vp-p
4.43MHz (PAL)
3.58MHz (NTSC)
3.58MHz (NTSC)
4.8Vp-p
4.8Vp-p
H
H
4.8Vp-p
0.2Vp-p
(NTSC)
H
4Vp-p
H
H
IC801
3
REC/PB
0.5Vp-p
H
IC802
7
IC802
!£
IC802
!§
IC802
@£
IC802
@§
3Vp-p
H
3Vp-p
H
3Vp-p
H
3Vp-p
3Vp-p
8MHz
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