Sony GV-A500E, Service Manual

Page: 32 / 127

GV-A500/A500E
3-9. POWER SUPPLY BLOCK DIAGRAM
3-23 3-24 3-25E
2
1
2
3
4
5
BATT(+)
BATT SW(+)
BATT SW( )
BATT( )
BATT SIG
CN501
BATTERY
TERMINAL
PS505
PS504
PS503
PS502
PS501
BL UNREG
ADI UNREG
VTR UNREG
VTR UNREG1
VTR UNREG2
IC501
DC/DC CONVERTER
28 VCC
46 OUTPUT 1
L503 L501 L502
DD-100 BOARD
Q503
SWITCHING
L506
63 OUTPUT VCC 5,6
41
FB1
57 OUTPUT 4
Q504
SWITCHING
D504
60 MOSGATE 4
50 OUTPUT 2
Q507
SWITCHING
L512
38 FB2
56 OUTPUT 3
Q506
SWITCHING
34
FB3
43
OUTPUT
VCC1,3
D506
51
OUTPUT
VCC2,4
D503
L507
18
FB4
Q505
SWITCHING
T501
7
2
1
8
5
4
6
3
D505
D510
R523
D509
R525
L518
L517
L511 R533
R535
EMERGENCY
DETECTOR
REG
IC502
REG
3
Q508
13
COMP
DRUM VS
CAP VS
SWITCHING
Q501,502
4 OUTPUT 6
9 FB6
64 OUTPUT 5
23 FB5
R532
Q520,521
L510
L508
L513
L514
L516
L515
L509
L519
34
29
38
19
44
39
40
18
17
16
15
26
36
24
23
47
22
20
30
28
41
37
35
33
48
25
CN502
.
.
.
.
.
.
.
34
29
38
19
44
39
40
18
17
16
15
26
36
24
23
47
22
20
30
28
41
37
35
33
48
25
CN106
.
.
.
.
.
.
.
BATT SIG
DC PACK SW
VGL -10.5V
VSH 12V
VGH 18.5V
AU 4.9V
LCD 4.9V
A 4.9V
RP 4.9V
AU 3.2V
VDD 3.2V
A 3.2V
D 3.2V
MT 5V
ADI ON
ADI UNREG
VTR UNREG
BL UNREG
VC-197 BOARD
1
2
1
.
2
1
.
CN108
MT 5V
1
CN361
IR ON
D363
F361 L363
D362
FP-572
(FLEXIBLE)
IR-29 BOARD
32
29
.
CN107
47
14
12
14
5
REMOTE
CONTROL
RECEIVER
POWER
ON
IC001
CN104
CN001
D001
12
14
IR
D109
RF DC
OUT
J102
27
45
12
31
30
.
48
13
CN001 CN103
27
45
12
CN002
FP-574
(FLEXIBLE)
FP-573
(FLEXIBLE)
BOARD
IO-62
A 4.9V
D 3.2V
RF DC
A 4.9V
D 3.2V
RF DC
CURRENT
LIMIT
Q1358,1359
IC361
L1309
L1307
Q816,T801
Q801,803
INV
DC/AC
TRANCE
SWITCHING
IC131
2
L1310
31
32
12
IR
VCC
VCC
OSC VCC
Q1855,1856,1858
Q1862,1863
LCD DD ON
VDD 3.2V
LCD 4.9V
R1848
2
REG REG
3
R882
L1306
Y/C PROC.
IC129
VCC1
38 VCC2
31
26
18
6
L1305
VCC3
VCC4
VCC5
VCC6
IC111
14 DVDD1
22 VDD1
15 VDD2
23 VDD3
9 VDD3
SERIAL
INTERFACE
L1313
IC112
8 VCC
BUFFER
IC108
8 VDD
EVR
29 VCC
(5V)
(3V)
IC701
19 VDD
29 VDD
43 VDD
8 VDD
PCM MOD.
L1301
L703
L704
IC109
63 3V
56 3V
AFM PROC.
17 5V
54 5V
IC001
20 HP VCC
16 SP VCC
HP/SP AMP
IC203
17 DVDD
12 DRVDD
43 ADVDD
33 ACVDD
S/H AGC A/D
L1603
5 VCC
VCO
IC204
8 VCC
CLOCK
IC205
8 VCC
BUFFER
IC112
IC102
23 AVDD
31 AVDD
37 DVDD
72 DVDD
PROC.
IC103
17 DVDD
6 AVDD
26 AVDD
8BIT A/D
L1154
L1207
VIDEO
L1151
DIVIDE
DIGITAL ZOOM
IC114
TBC/CNR PROC.
7 VDD1
8 VDD2
19 AVDD
31 VDD4
32 VDD5
51 VDD6
68 VDD7
IC105
Y PROC.
40 DVDD2
75 DVDD3
99 DVDD4
59 AVDD1
63 AVDD2
68 AVDD3
L1202
L1201
41 VDD1
IC106
C PROC.
53 VDD2
70 VDD3
83 VDD4
5 VCCD-E
15 VCCA-R
9 VCCA-E
96 VDD5
100 VDD6
19 VCCD-R
L1209
5 VDD
BUFFER
IC130
5 VDD
CG
IC104
L1206
IC101
26 VCC
18 FIL VCC
35 VCC
46 VCC
REC/PB AMP
L1005
L1002
PB 4.9V
SW
Q1043
L1020
PB +B
8 VCC
EEPROM
IC116
L1751
5 VCC
BUFFER
IC119
18 DVDD
ATF
IC120
30 AVDD
L1753
IC117
42 VDD
76 AVREF
77 AVDD
86 VDD/VPP
CONTROL
SYSTEM/SERVO
87 VDD
3.2V/3.15V
SEL SW
Q1951-1953
Q1955
VTR +B
SWITCH
Q1954
D1954
BATTERY
CHARGE
DET.
29
MODE CONTROL
IC1952
47 SHOE ON
32 DC PACK SW
80 DRY BATT
48 BATT SI
49 BATT SO
Q1959,1963
5 RESET
58
42
51
75
76
77
86
87
38
14 D1954
VTR DD ON
LCD DD ON
VTR MODE SW
RESET
BACKUP
VCC
3 V BATT
6 V OUT
8 VRO
L1752
VTR DD ON
7
V IN
IC1951
INTIAL RESET
BACKUP VCC
IC113
2
REG REG
3
D1955
D116
LCD DD ON
1 UNREG
14
LANC
8 VCC
IC1995
LANC I/O
IC122
5 VM
3 VCC1
4 VCC2
LOADING MOTOR
DRIVE
SENSOR AMP
IC121
8 VCC1
7 VCC2
DRUM MOTOR
DRIVE
VTR MODE SW
CN002 CN001
FP-573
(FLEXIBLE)
2
1
.
4
3
.
2
1
.
4
3
.
LI3V
CN111
21
26
CN107
LANC
LANC DC
22
25
BT001
LITHUM
BATTERY
FP-571
(FLEXIBLE)
19
22
CN105 CN103
19
22
6
1
FP-575
(FLEXIBLE)
6
1
BOARD
IO-62
POWER
ON SW
S001
LANC
J001
LANC DC
9
CN110
D 3.2V
9
D006(PAUSE)
D002(REC)
CN001
FK-71 BLOCK
1
CN101
LP1Y
5
9
13
LP2Y
SP1Y
SP2Y
DRAM
HEAD
H001,002
Q001,002
T/S REEL
SENSOR
3
4
3
SENSOR VCC
M902
CAPSTAN
MOTOR
CN102
CN103
VCC2
VCC1
B-MECHA
BL UNREG
ADI UNREG
VDD 3.2V
LCD 4.9V
VGH 18.5V
VSH 12V
D 3.2V
VGL -10.5V
14 VCC
GATE
IC803
5 VCC
BUFFER
IC804
5 5V
SWITCH
IC805
PAL ONLY
14 VCC
I/O EXP
IC802
29
27
2
24
13 VDD
23 VDDA
25 VCC2
DECODER
IC801
43 VCC1
33 DL ADJ
7 -18V/VCO
L803
L805 RGB
VCO
BL UNREG
VDD 3.2V
P 4.9V
VGH 18.5V
VSH 12V
VGL -10.5V R902
R900
L901
L904
R904
R880 R888
L902
21
25
1
23
CN112
FP-576
(FLEXIBLE)
23
1
25
29
27
21
24
2
23
1
21
24
2
CN801
21
1
19
22
2
L804
19 VDD
IC802
43 VDD
27 OSCI
LCD T.G IC803
8 VCC
COM AMP
L808
L803
L802
IC801
2 1
DC/DC
CONV.
BL UNREG
1
5
3
1
5
3
CN802
10
CN803
25
1
3
26
VDD
VSH
VGH
VGL
CN804
4 INCH
LCD PANEL
BACK
LIGHT
HIGH
PD-88 BOARD
P 4.9V
VCO
VDD 3.2V
VSH
VGH
VGL
26
23
CN203
19
18
.
26
23
26
23
26
23
CN204
ADI UNREG
ACCESSORY
TERMINAL
FP-570
(FLEXIBLE)
BOARD
EX-34
CN109
16
DRUM/CAPSTAN
PWM DRIVE
L1951
(FLEXIBLE)
Q812
(SEE PAGE 4-75)
(SEE PAGE 4-11,16,19,23,27,30,33,37,41,44,47,51)
(SEE PAGE 4-68)
(SEE PAGE 4-59)
(SEE PAGE 4-55)
(SEE PAGE 4-39)
(SEE PAGE 4-55)