Table of Contents
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4-11. POWER BLOCK DIAGRAM
PS-418 BOARD
CP101
POWER BLOCK
L121
PS 13V
6
D101
4
AC+ IN
LF102,103
F101
CJ101
5
AC+ IN
2A/250V
AC
FILTER
IN
1
AC- IN
2
AC- IN
PS181
Q171,173
L123
MTR 12V
PS 11V
7
REG
Q172
SWITCH
PS161
L122
PS 5.9V
8
PS151
Q191
L124
AU -13V
PS -13V
11
REG
Q192,193
SWITCH
BD-21
CD-169 BOARD
BOARD
IC102
BTL
DRIVER
CN101
CN101
CN303
BD 7V
IC101
VCC
21
21
21
SERVO/SIGNAL
VCC
22
PROCESSOR
D 5V
DVDD
90
6
6
DVDD
41
IC103
IC311
AVD1
40
RF AMP
LOADING
MOTOR DRIVER
AVD2
21
VCC
20
VCC
4
VCC
7
16
IC305
MPEG
DECODER
VDD
4
VDD
14
VDD
44
VDD
60
VDD
74
VDD
90
VDD
104
VDD
108
IC303
MPEG
CHIP SEL.
V
5
CN104
CN104
38V
4
SW 12V
6
SW 5V
1
UNSW 13V
3
SW -13V
5
CN102
CN912
PS131
PS 13V
1
1
PS 13V
2
2
Q135
MTR 12V
3
3
MTR 12V
MTR 12V
4
4
REG
SW 12V
8
8
Q136
AU -13V
9
9
SWITCH
IC141
SW 12V
1
2
REG
CP181
4
D/D CONV.
CN101
CN911
DC 38V
5
SW 5V
L181
1
1
2
DC IN
DC -30V
DC -38V
8
7
7
+F
+F
3
6
6
L171
-F
-F
4
8
8
PWR CONT
4
4
D 6V
Q161
5
5
SW 5V
REG
MTR 10V
9
L151
D 6V
7
L191
SW -13V
4
SW 12V
1
CN103
D 6V
SW 12V
SW -13V
MTR 10V
CN304
BD 7V
1
A -8V
A -8V
4
D 5V
12
IC301
IC310
VIDEO CD
VIDEO
MECHA CONT.
ENCODER
L302
A 5V
VCC
21
VDD
22
8
VCC
53
VDD
10
VCC
68
VDD
34
VDD
42
IC302
VDD
53
Q301
SRAM
VDD
63
3.3V
REG
VCC
28
IC309
IC304
27M OSC
SRAM
CHIP CONT.
VDD
14
VDD
14
IC308
384FS
IC306
BUFFER
DRAM
VDD
14
L301
VCC
1
IC307
VCC
6
VCC
22
DATA
BUFFER
VDD
14
4-21
MA-303 BOARD
IC291
CAM/LOAD
MOTOR DRIVE
7
VCC1
8
VCC2
Q592
L802
5V
REG
IC501
IC802
IC551
IC801
IC812
AUDIO
Q893,894
AMP
PROC.
SWITCH
SELECTOR
AMP
5V
8
VCC
REG
55
1
16
8
+5V
VCC
VDD
VCC
4
VEE
59
-5V
7
VEE
4
VEE
Q591
-5V
REG
T881,891
Q881,882,886,891,892
PS885
BIAS
OSC
IC301
IC302
IC313
IC304
VIDEO
Y/C
CCD
PAL/SECAM
SELECT
PROC.
DELAY
DET
L308
L402
5
VCC
33
VCC
3
VDD
7
VCC
L309
L401
8
VCC
20
VDD
IC201
IC101
IC251
SERVO/SYSTEM
CONTROL
CTL
MOTOR
AMP
ERROR INTG.
76
POWER CONT
24
VCC
8
VCC
53
AV REF
54
AVDD
89
VDD
POWER CONT CD
72
P CONT CD
CN801
22
2
CN602
IC702
IC703
CN601
5V
9V
7
1
5
1
2
REG
REG
2
IC502
IC503
MIC AD LPF.
LINE
MICDRY SW
AD LPF
1
4
8
+VCC
8
+VCC
9
4
-VCC
4
-VCC
IC701
IC704
CN605
7V
-8V
3
1
2
3
29
REG
REG
26
18
IC751
IC513
VIDEO
SWITCH
9V
1
3
REG
22
VCC
6
IC510
IC511
VCD
IC705
ATT AMP
LPF
AV CONT.
S/P CONV.
8
+VCC
8
+VCC
VDD
16
4
-VCC
4
-VCC
IC514
IC500
-8V
2
3
REG
OR GATE
VDD
14
IC506
SURROUND
PROC.
13
VCC
MB-77 BOARD
38V
SW 12V
SW 5V
CN275
M901
MTR 12V
1
M
DRUM
MOTOR
UNSW 13V
CN271
MTR 12V
SW -13V
8
M902
M
CAPSTAN
SW 5V
MOTOR
7
D 6V
D 6V
D 6V
3
CN701
RP-233
IC813
IC501
BOARD
VIDEO
AMS
REC/PB AMP
CN301
CN503
L501
9
VCC
SW 5V
9
9
16
VCC
29
VCC
L502
IC760
AUDIO
REC/PB AMP
L760
12
VCC
IC401
OSD
17
AVDD
HI-66 BOARD
30
DVDD
DISPLAY CONT
3
VFDP
IC321
LED CONT
16
VDD
7
VCC1
CN301
CN901
L904
D 5V
15
5
-30V
L902
-30V
17
3
+F
L901
+F
16
4
-F
L903
-F
18
2
Q298,299
MIC
BUFFER
IC519
IC507
IC518
IC520
IC504
IC505
LINE1
LINE2
SURROUND
AUDIO
LPF
LPF
AUDIO AMP
AUDIO AMP
AMP
REC SW
8
+VCC
8
+VCC
8
+VCC
8
+VCC
8
+VCC
16
VDD
4
-VCC
4
-VCC
4
-VCC
4
-VCC
4
-VCC
7
VEE
IC501
IC508
KARAOKE
AMP
5V
1
3
7
VDD0
REG
43
VDD1
IC515
IC516
IC517
IC512
70
VDD2
AUDIO
AUDIO
LINE1
LPF
OUT SEL (L)
OUT SEL (R)
AMP
79
VDD3
8
+VCC
16
VDD
16
VDD
8
+VCC
100
AVD0
30
AVD1
4
-VCC
7
VEE
7
VEE
4
-VCC
23
AVD3
24
AVD4
31
XVDD
IC509
D/A
CONV.
8
VDD
21
VDD
15
VCC
9
VCVC2R
4-22E
SLV-7700KME/7700KML
TU-168 BOARD
TU701
CN702
9
30V
L703
4
7
30V
6
17
12V
L704
1
8
SW 5V
Q701
4
UN 5V
L701
5V
1
UN 5V
REG
IC704
3
VIDEO SW
IC701
5
KEY SEL
6
VCC
16
VDD
CN703
IC703
D705
3
AUDIO SW
IC702
EEPROM
16
VDD
D706
7
VEE
8
VDD
IC706
AMP
IC705
8
VCC
2
REG
3
4
VEE
CN780
22
SW-323 BOARD
22
CN305
IC201
IC451
CN304
CN451
REMOTE
D 5V
AVDD
24
6
2
2
CONTROL
RECEIVER
AV REF
25
VDD
72
IC202
RESET
IO-65 BOARD
VCC2
5
CN303
CN401
D 5V
8
4
D 5V
ND301
FLUORESCENT
INDICATOR TUBE
9V
9
-8V
8
CN290
MJ-92 BOARD
CN603
CN601
CN602
9V
9V
1
1
4
IC601
IC521
MIC
AMP
AUDO
REC AMP
8
VCC
8
+VCC
4
VEE
4
-VCC
-8V
-8V
3
3
3
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