Power Supply Block Diagram - Sony SLV-M20HF Service Manual

Q Q
3 7 6 3 1 5 1 5 0

3-7. POWER SUPPLY BLOCK DIAGRAM

MA-335 BOARD
(SEE PAGE4-5,8,11,15,19,21,23,25)
CN603
L604
35V
11
IC601
. 9
13V 12V
POWER
1
REG
10
BLOCK
4
. 4 6V
5
+F
1
-F(0V)
2
-30V
3
Q603,606
PS600
SW 5V
T E
REG
L 1 3 9 4 2 2 9 6 5 1 3
PS602
Q604,605
MOTOR
12V SW
L607
L605
L606
w w w
.
16
18
R705
+30V
SW12V
2
P CONT 2 P CONT 2
IC260
VIDEO
REC/PB AMP
L262
16 VCC
L263
29 VCC
SW5V SW5V SW5V
D6V
IC340
AFM
REC/PB AMP REC/PB AMP
L341
14 VCC
IC301
T331,Q331
HEAD SW
M12V M12V
L331
BIAS
ERASE
1 VCC
OSC
P CONT 2
F+
F-
-30V
D161 D161 L160
D982
x a o
y
i
3-13
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8
IC502 IC501
VIDEO ENCODER REG
L502
VCC 31 2 1
IC733
TU700
ST/BILNG
PROCESSOR
3 19 32 1
CN165
SW12V
4
D 6V
3
IC201 (1/2)
Y/C PROC.
L204
IC500
36 Y VCC
CHARA.GEN.
CN163
47
C VCC
D 6V
4 AVCC 4
L502
7 VCC
CHECK
IC202
1H DELAY
IC501
2 VDD
AFC
L503
Q Q 13 VCC
CN162
3 7 6 3
. 24
D 6V
25
IC360 IC201 (2/2)
AUDIO PROC. AUDIO PROC.
(HIFI) (MONO)
P CONT 1
35 12V 76 AVCC 21
P CONT 2
22
IC100
DRUM
IC160 CAPSTAN
AMP
SERVO/SYSTEM
CONTROL
8
VCC
53
AVREF
54 AVDD Q101,102
89 VDD
T/S
SENSOR
90 5V
PH101,102
T/S
-30V
IC980 REEL
29
+F
SIRCS/CBC 30
-F
I/O
31
14
REG IN
13 VCC
IC140
CTL AMP
IC101
L140
8 VCC
LOADING
CN101
MOTOR
DRIVE
MTR 12V
IC141 1
L101
u 1 6 3
8
VCC1 CTL AMP D109
L141
9 VCC2
8
VCC
CN102
.
MTR 12V
7
SW 5V
1
PS101
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2 4
9 9 8
IC373
POWER
61 AVDD1
DOWN NOR
DET 52
AVDD0
IC311
42 AVDD2
2
14 VCC
R320
D304
31 VDD2
IC331
FL301 24 VDD1
D351 D303
6 12
VCC VDD0
L351 L301
VIDEO SW
IC002
MANCHESTER
IC003
CODE MOD./DEMOD.
SMARTFILE
/SERIAL TRANSFER CONT.
SMARTFILE
SENSOR BLOCK
CONTROL
6 VDD
16 VDD 72 VDD
28 VDD 73 N.C
38 37
VDD AVREF
IC001
AMP
CN003 8 V+
PS001
4
D008 D008 D005
PS002
3
FL401
D402 D404
32 VCC IC401
L401
ROM
FL402 1 VCC
D401 D403
6 IC402
VCC
MG-21 BOARD
L402
RAM
20 VCC
PIN
FR-139 BOARD
IC460
(SEE PAGE 4-29)
TIMER/TUNER
1 CN460 5 1 5 0 MODE CONT. 8 9 2 4
L182 D463
. 8
24
AVDD
7
D462 25 AVREF
72 VDD
75
VPP
43 VFDP
11 78 POWER CONT 1
10 79 POWER CONT 2
IC462
EEPROM
D464
8 2
VCC
SMART
FILE
IC463
RESET
5
VCC2 PULSE
GEN. FLUORESCENT
D460 INDICATOR TUBE
POWER
POWER
7 VCC1
FAIL
ON
F+
DET.
D420
3
2
1
CN461
6
DM-81 BOARD
(SEE PAGE 4-31)
m
D440
Q440 Q440
DRUM CN440
JOG
MOTOR
LED
c o
6
DRIVE
CAPSTAN
MOTOR
3-14E
SLV-M20HF
2
9 9
IC301
GUIDE
PLUS
DECODER
(SEE PAGE 4-37)
9 8 2 9 9
IC464
REMOTE
CONTROL
RECEIVER
VCC
ND420
F-