Table of Contents
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P.C.BOARD PARTS LIST
IC & TRANSISTOR LEAD IDENTIFICATION
Ref.
No.
Part No.
Description
Q'ty
SWOl
SW02
SW03
SW04
SW05
SW06
SW07
SW08
J01
J02
J03
LO1
PTOl
PT02
IC01
IC02
Q01
Q02
003
004
005
006
DO1
DO2
DO4
DO5
DO6
DO7
THO1
co1
C02
C03
C04
C05
C06
C07
C08
C09
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C22
C23
C24
C25
C26
C27
C28
AMPLIFIER P.C
141 0 1939 05130
141 2 1649 28600
141 2 1649 28700
141 2 1649 28800
141 2 6129 06500
141 2 8549 26400
4 2319 77370
4 231 9 75840
4 2319 74620
4 2319 74620
4 2319 75331
4 2319 75331
4 2319 75331
4 2319 75330
4 2359 77120
4 2359 77110
4 2359 77120
4 2539 70030
4 2229 73025
4 2229 72964
206 5 1084 14010
206 5 1565 51111
203 5 5251 57170
203 5 5251 57170
203 5 5100 53660
203 5 51 00 53660
203 5 51 00 53660
203 5 6980 59860
202 5 91 10 18820
202 5 1410 00110
202 5 1410 00110
202 5 2470 13540
202 5 2470 13540
202 5 1330 0101 0
204 5 9000 00200
CD2 2 4500 0001 V
CD2 2 5500 0002V
CD4 7 51 00 0001 V
CC1 5 2500 KEOOC
CD2 2 7100 OOOlV
CD4 7 61 00 0002V
CD4 7 5500 0002V
CC1 8 2500 KEOOC
CM8 2 3500 KOOSV
CD2 2 5100 OOOlV
CD4 7 5100 OOOlV
CC1 0 1500 KEOOC
CD2 2 7100 OOOlV
CD2 2 5500 0002V
CC3 3 2500 KEOOC
CC4 7 1500 KEOOC
CD2 2 663A 0002V
CM6 8 3500 KOOSV
CD4 7 6100 OOOlV
CI1 0 3250 KEOOC
CD2 2 7100 OOOlV
CD1 0 7100 OOOlV
CD4 7 4500 0002V
CD2 2 663A 0002V
CD4 7 61 00 0002V
CC4 7 3500 ZGOOC
CC4 7 3500 ZGOOC
C12 2 3500 KEOOC
.B. ASSY
Amplifier P.C.B. Assy
Knob Mute
Knob Monitor
Knob Level
Rod Connection
Spring RIP Switch
Slide Switch (RecordlPlay)
Leaf Switch (F.FIREW)
Leaf Switch (Power)
Leaf Switch (Play)
Push Switch (ATTI
Push Switch (Phase)
Push Switch (Monitor)
Push Switch (REC Mute)
Jack 3P 3.6 (Mike)
Jack 3P 2.6 (Remote)
Jack 3P 3.6 (Earphone)
RF Choke
Potentiometer (B-1 OkR )
Potentiometer (0-2kR
)
IC, LA 41 40
IC, LA 551 1 A
TR, 2SC 1571
TR, 2SC 1571
TR, 2SC 536
TR, 2SC 536
TR, 2SC 536
TR, 2SB 598
Diode, 1 S 188 FM 1
GMAO1 -BT
GMAO1 -BT
Diode, DS 135
Diode, DS 135
Bridge Diode, DBB10
Thermistor, SDT-20
Electrolytic
0.22j~F
Electrolytic
2 . b F
Electrolytic
4.7pF
Ceramic
0.001 5 p F
Electrolytic
22OpF
Electrolytic
47p F
Electrolytic
4.7pF
Ceramic
0.001 8 p F
Mylar
0.082p F
Electrolytic
2.2pF
Electrolytic
4.7pF
Ceramic
1 OOpF
Electrolytic
220p F
Electrolytic
2.2pF
Ceramic
0 . 0 0 3 3 ~ F
Ceramic
470pF
Electrolytic
22p F
Mylar
0.068p F
Electrolytic
47p F
Boundary
0.OlpF
Electrolytic
220pF
Electrolytic
lOOpF
Electrolytic
0 . 4 7 ~ F
Electrolytic
22p F
Electrolytic
47p F
Ceramic
0 . 0 4 7 ~ F
Ceramic
0 . 0 4 7 ~ F
Boundary
0.022pF
Ref.
No.
Part No.
Description
Q'ty
C12 2 3500 KEOOC
CD2 2 8160 OOOlV
CD1 0 6100 0002V
UP2 2 3121 JHOOO
UP4 7 2121 JHOOO
RP2 2 2121 JHOOO
UP1 0 5121 JHOOO
UP4 7 3121 JHOOO
UP1 5 3121 JHOOO
UP4 7 0121 JHOOO
UP3 3 3121 JHOOO
RP3 3 3121 JHOOO
UP1 0 2121 JHOOO
UP2 2 1121 JHOOO
RD3 3 2251 JHOOO
UP1 0 2121 JHOOO
UP2 2 3121 JHOOO
UP1 8 4121 JHOOO
UP1 0 4121 JHOOO
UP4 7 2121 JHOOO
UP2 2 2121 JHOOO
UP2 2 2121 JHOOO
UP3 9 3121 JHOOO
UP1 0 0121 JHOOO
UP3 9 2121 JHOOO
UP1 0 0121 JHOOO
UP1 0 1121 JHOOO
UP1 0 3121 JHOOO
UP6 8 2121 JHOOO
UP4 7 3121 JHOOO
UP1 0 2121 JHOOO
UP6 8 2121 JHOOO
UP2 7 2121 JHOOO
UP4 7 2121 JHOOO
UP2 2 2121 JHOOO
UP1 0 2121 JHOOO
UP5 6 1121 JHOOO
UP5 6 1121 JHOOO
UP3 0 1121 JHOOO
UP1 2 2121 JHOOO
UP3 9 2121 JHOOO
UP3 3 21 21 JHOOO
UP5 6 2121 JHOOO
UP2 2 21 21 JHOOO
UP2 2 2121 JHOOO
UP1 0 2121 JHOOO
Boundary
Electrolytic
Electrolytic
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
Carbon
0 . 0 2 b F
50V
220OpF
16V
l O p F
1OV
2 2 k f l
118W
4.7kfl
118W
2.2kfl
118W
1 M f l
118W
4 7 k f l
118W
1 5 k f l
118W
4 7 f l
118W
3 3 k f l
118W
3 3 k f l
118W
1 k f l
118W
2 2 0 n
118W
3.3kfl
114W
1 k f l
118W
2 2 k f l
118W
18Okfl
118W
lOOkfl
118W
4.7kfl
118W
2.2kR
118W
2.2kfl
118W
3 9 k f l
118W
1 0 n
118W
3.9kfl
118W
lon
l l 8 W
loon
l l 8 W
1 0 k f l
118W
6.8kfl
118W
4 7 k f l
118W
1 k f l
118W
6.8kfl
118W
2.7kfl
118W
4.7kfl
118W
2.2kfl
118W
l k f l
118W
560fl
118W
560fl
118W
3 0 0 n
118W
1.2kfl
118W
3.9kR
118W
3.3kR
118W
5.6kR
118W
2.2kR
118W
2.2kR
118W
1 k R
118W
LED P.C.B. ASSY
PCB2
141 0 1939 07620
LED P.C.B. Assy
DO8
4 2029 72720
LED, SLP 181 B (ADSS)
DO9
4 2029 72720
LED, SLP 181 B (Record)
I
TERMINAL NAME
I
TRANSISTOR
2 S B 5 9 8
2 S C 5 3 6
2 S C 1 5 7 1
B
--
B A S E
C - - C O L L E C T O R
E
--
E M I T T E R
LA551 1 FRONT/BOTTOM VIEWS
FRONT VlEW
E C B
LA41 4 0 FRONT/BOTTOM VIEWS
BOTTOM VlEW
0
E
C B
NOTE:
1 . P a r t s o r d e r m u s t c o n t a i n M o d e l N u m b e r , P a r t N u m b e r a n d
D e s c r i p t i o n .
2. O r d e r i n g q u a n t i t y o f s c r e w s a n d r e s i s t o r s m u s t b e m u l t i p l e o f
1 0 p c s .
LA551 1 BLOCK DIAGRAM
B+
OUT
CONT
LA41 4 0 BLOCK DIAGRAM
i
Input ~ m p .
I
Driver ~ m p .
.
I
I
I
I
I
I
I
I
I
I
~
~
~
~
Phase
IN
Negative
Phase
GNO
OUT
B +
Bootstrap n~pple filter
Complnsation
Feedback
Compensation
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