Power Supply Block Diagram - Sony GV-A500 Service Manual

3-9. POWER SUPPLY BLOCK DIAGRAM

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