TX-L55/LR552
SCHEMATIC DIAGRAM 4 Amplifier section 1
FR
PAPOWER
FL
GNDA
VPP
VNN
FR
FL
SR
SL
C
SB
FB1
FB2
PAPOWER
APRT
GND_FL
OP_FL
OP_FR
GND_FR
VN10
V5F
V5F
V5
GNDA
VNN
VPP
APRT
GNDP
GNDP
GNDP
GND
POWER
POFF
+9V
NCH-1641
NCH-1641
TO NAETC-8352
TO NADG-8338
FOR CONTINUED PROTECTION
AGAINST FIRE HAZARD, REPLACE
ONLY WITH FUSE OF SAME TYPE
AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
THAT THE FUSE USED IS SLOW OPERATING TYPE
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
CAUTION
AND RATING INDICATED.
AV
AV
ATTENTIION
NOTE
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
)(
IS DC VOLTAGE NO INPUT SIGNALVOLTAGE MEASURED WITH VOLTMETER
( )
REPLACE ONLY WITH PART NUMBER SPECIFIED.
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
ELECTROLYTIC CAPACITORS ARE IN u
F/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS
EX PRINTING SIDE
36.1V
-36.5
9.9V
5.0V
10.5V
NAPS-8342
TO NADG-8338
MODEL TYPE T9002
NPT-1506D
NPT-1398P/G
TX-LR552 MDD
TX-L55 MPP/MPA/MGT/MGQ
2.5A/250V
FUSE RATING
1.6A/125VTX-L55
TX-LR552
C5011
221J
C5021
221J
R5302
1K
R5322
2.2K
R5321
2.2K
R5332
2.2K
R5342
2.2K
R5352
2.2K
R5351
2.2K
R5331
2.2K
R5341
2.2K
R5301
1K
R5311
1K
R5751
270
R5361
2.2K
C5112
104K
C5001
104K
C5361
104Z
C5771
104J
C5931
104K
R5111
1M
R5112
1M
R5102
22K
R5101
22K
R5312
1K
R5521
0.01F
R5532
0.01F
R5522
0.01F
C5512
104J
C5511
104J
C5102
2.2/50
+
C5101
2.2/50
+
C5502
33/100
+
C5501
33/100
+
R5721
270
D5441
M1FL20U
D5442
M1FL20U
D5731
M1FL20U
D5422
M1FL20U
D5432
M1FL20U
D5421
M1FL20U
D5431
M1FL20U
D5301
1SS355
-B
Q5101
TP2150B
1
NC
2
AGND
3
NC
4
NC
5
AGND
6
V5
7
OCD1
8
NC
9
CSS
10
OCD2
11
NC
12
NC
13
Y2
14
Y2B
15
NC
16
Y1B
17
Y1
18
NC
19
NC
20
NC
21
NC
22
NC
23
NC
24
NC
25
NC
26
NC
27
VBOOT2
28
NC
29
NC
30
OCS2LP
31
OCS2LN
32
NC
33
OCS2HP
34
OCS2HN
35
NC
36
HO2
37
HO2COM
38
NC
39
LO2COM
40
LO2
41
VN10
42
VNN
43
VN10
44
LO1
45
LO1COM
46
NC
47
HO1COM
48
HO1
49
NC
50
OSC1HN
51
OCS1HP
52
NC
53
OCS1LN
54
OCS1LP
55
NC
56
NC
57
VBOOT1
58
NC
59
SW_FB
60
SMPSO
61
NC
62
SLEEP
63
NC
64
NC
R5121
50K
1
R5122
50K
1
C5111
104K
Q5301
RN1441
C5551
154J
C5552
154J
R5551
22(2W)
R5552
22(2W)
L5502
18uH
+B-B
C5751
104J
C5031
104J
C5411
104
C5741
47/35
+
P4401B
14
13
12
11
10
9
8
7
6
5
4
3
2
1
C5761
47/35
+
Q5411
IRF530N
Q5412
IRF530N
Q5402
IRF530N
L5501
18uH
Q5401
IRF530N
1
3 2
R5131
22KF
R5132
22KF
R5291
22K
-B
C5721
104
L5512
TF2528S
P5601A
1
2
3
4
L5521
3
1 2
4
L5522
3
1 2
4
D5721
M1FL20U
VN10
D5401
NC
D5411
NC
D5412
NC
D5402
NC
R5401
15(1/2W)
R5411
15(1/2W)
R5412
15(1/2W)
R5402
15(1/2W)
C5711
47/35
+
C5041
47/6.3
+
R5571
10K
R5572
10K
R5011
27K
R5021
27K
+5VD
P9502B
1
2
C5913
104Z
C5914
100/6.3
+
C5912
2200/16
+
+5VD
D5911
S1NB60-4062
1
2
4
3
R5911
1(1/2W)
C5911
334J
L5911
220K
L5912
220K
R5292
10K
R5041
4.7
C5301
*
C5302
*
D5701
NC
R5561
22K
R5562
22K
R5582
18K
R5581
18K
R5811
R5812
R5531
0.01F
Q5911
78M05
3
O
2
G
1
I
C5904
10000/50
+
C5903
10000/50
+
+B-B
C5901
334J
C5902
334J
D5901
D10XB60H
1
2
4
3
P9501B
3
2
1
+
L5511
TF2528S
R5761
4.7
C5561
154J
C5562
154J
R5901
8.2K(1/2W)
R5902
8.2K(1/2W)
R5031
8.2KF
R5771
330
PS
A
Q5001
TC2001
1
BIASCAP
2
FBKGND2
3
DCAP
4
FBKOUT2
5
VPWR
6
FBKGND1
7
FBKOUT1
8
HMUTE
9
Y1
10
Y1B
11
Y2B
12
Y2
13
NC
14
OCD2
15
REF
16
OCD1
17
VNSENS
18
OVRLDB
19
VPSENS
20
AGND
21
V5
22
OAOUT1
23
IN1
24
MUTE
25
BBM1
26
BBM0
27
OAOUT2
28
IN2
Q5401A
HEATSINK
1
Q5403A
HEATSINK
1
Q5405A
HEATSINK
1
PS
R9103
390
D9103
UDZS5.1B
C9008
NC
C9001
NC
C9003
223J
E9010
C9010
104Z
C9007
104Z
Q9002
DTC123JKA
RL9001
3
4 1
2
C9006
103M
1
D9002
1SS355
R9002
0.22(1/2W)
T9002
NPT-****(See the table above.)
5
9 1
4
D9102
1SS350
D9101
1SS350
C9005
1000/16
+
D9001
S1NB60-4062
1
2
4
3
R9104
2.2K
R9101
390
C9101
10/16
+
R9102
390
C9009
103M
P9302B
2
1
C9002
472/250
L9001
CMB25V-1021
1
43
2
P9301B
1
2
F9001B
1
F9001A
AC_CORD
P9101A
1
2
3
4
T9001
NPT-1500*
4
5
6
7
8
9
10
11
12
13
14
15
16
17
3
2
1
P9003A
1
2
P9004A
2
1
P9003A
3
2
1
P9002A
2
1
P9001A
3
2
1
P9006A
2
1
P9005A
2
1
A
R5781
22K
C5201
0
Other models
Region
120V models
33 (1/2W)
33 (1/2W)
EX) 030 3pF 330 33pF 331 330pF 333 0.033uF
A
1
2
3
4
5
BCDEFGH
C5301 471J 181J
C5302 181J 221J
P Other
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