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3-7. POWER SUPPLY BLOCK DIAGRAM
POWER BLOCK
(SEE PAGE 4-41)
T101
D251
4
D252
3
L101
CN101
L102
D101-104
D253
IC151,Q151
F101
2
AC
SWITCHING
D254
IN
5
7
D255
6
PC151
PHOTO
COUPLER
16
MA-316
BOARD
(SEE PAGE 4-11, 14, 17,
CN201
CN600
38V
4
4
L201
. 15
UNSW 13V
. 15
16
16
IC201
L202
SW 12V
12V
1
2
12
12
L205
REG
4
L203
POWER CONT 2
13
13
Q201,204
L204
MOTOR
. 6
MTR 12V
. 6
12V SW
7
7
POWER CONT 1
POWER CONT 1
11
11
Q205,206
PS202
. 2
SW 5V
. 2
SW 5V
REG
3
3
PS201
D 6V
14
14
Q207
-30V
-30V
18
18
SW
Q208
+F (5.4V)
PS251
SWITCH
16
16
POWER SAVE CONT
17
17
-F (0V)
19
19
SE-69 BOARD
(SEE PAGE 4-33)
IC970
SECAM DET
CN970
CN307
L975
SW 5V
VCC
22
8
8
B MODEL ONLY
RP- 231 BOARD
(SEE PAGE 4-5)
IC140
IC260
CAPSTAN
SPEED
VIDEO
CONTROL
REC/PB AMP
L140
L262
VCC
VCC
16
8
VCC
29
L263
IC301
IC340
HEAD
AUDIO
SW
REC/PB AMP
CN272
CN306
L341
SW 5V
T321,Q321
VCC
14
10
10
L321
BIAS
SW 5V
9
9
ERASE
OSC
T331,Q331,332
PS331
BIAS
SW 12V
2
2
ERASE
OSC
3-13
(EXCEPT NP MODEL)
(NP MODEL)
RFU750
TU702
TU701
19, 21, 23, 25)
9
5
4
11
12
25
2
3
11
R711
L750
L701
IC201
Q751,752
(1/2)
D750
L705
Y/C PROC.
SW
L204
36
Y VCC
47
C VCC
L206
IC202
1H DELAY
L205
2
VDD
IC360
IC201
AUDIO PROC.
AUDIO PROC.
IC530
(HIFI)
(MONO)
L530
L361
L301
12V
1
2
35
12V
76
REG
Q533,534
PS533
C+ BUFFER
C+ BUFFER
POWER SW
A/V CONT
IC540
C+ VIDEO
I/O SEL
Q611,612
PVCC 1
20
D610
C+
PVCC 2
19
VCC
PVCC 3
18
IC160
SERVO/SYSTEM
CONTROL
L161
AVREF
53
24
AVDD
54
POWER SAVE C+
23
POWER SAVE CONT
VDD
89
5V
90
IC850
PH100,101
VPS/PDC
DECODER
T/S
REEL
VDDD
19
VDDA
20
Q100,101
D108
T/S
SENSOR
IC161
LOADING
MOTOR
DRIVE
D131
8
VCC
L141
9
VCC
PS130
SLV-E830B/E830NP/E830VC1/E830VC2
IC660
OSD
L662
7
VCC
IC661
AFC
L663
13
VCC
IC820
FOLLOW TV
FR-128 BOARD
(SEE PAGE 4-31)
8
VCC
TIMER/TUNER
CN164
MODE CONT.
CN181
L182
D186
D 6V
5
31
77
AVREF 0
D187
78
AVREF 1
(2/2)
79
AVDD
88
VDD
89
VDD
AVCC
POWER CONT 1
21
15
23
POWER CONT 1
POWER CONT 2
22
14
24
POWER CONT 2
8
D400
PS131
POWER
ON
5
VCC2
7
VCC1
D160
-30V
33
3
+F (5.4V)
34
2
-F (0V)
35
1
IC100
DRUM
CAPSTAN
AMP
8
VCC
CN165
D 6V
CHECK
4
PIN
CN101
IC141
MTR 12V
DRUM
1
MOTOR
CTL AMP
D132
8
VCC
CN102
MTR 12V
7
CAPSTAN
SW 5V
MOTOR
1
3-14E
IC180
IC400
REMOTE
CONTROL
RECEIVER
2
VCC
IC420
DISPLAY
DRIVER
14
VDD
33
VDD
IC182
45
VDD
EEPROM
34
VCC
VEE
IC183
ND420
RESET
PULSE
VACUUM
GEN.
FLUORESCENT
INDICATOR TUBE
POWER
FAIL
F+
F-
DET.
D420
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