SCHEMATIC DIAGRAMS-4
POWER AMPLIFIER SECTION
TX-SR402/8240/HT-R420
TX-SR402/8240/HT-R420
A
1
2
3
4
5
B
C
D
E
F
G
H
P6011
TO NAAF-7866
JL6805A
TO NAETC-7870
P6931
TO NAETC-7868
JL6804A
TO NAETC-7870
JL6803A
TO NAETC-7870
JL6952A
TO NAPS-7878
JL6951A
TO NAPS-7878
F6901
F6902
RL6901
RL6902
D6903
RS603M
RBV602
D5SBA20
D6903,6904:
D6904
D6703
MTZJ5.1B
D6704
MTZJ5.1B
0.1V
[0.1V]
0V
24V
0.8V
24V
0V
[0V]
0V
[0V]
0.05V
50V
[63.1V]
48.9V
[62.1V]
48.9V
[62.1V]
0.8V
[0.8V]
-48.9V
[-62.1V]
-0.5V
[-0.5V]
0.5V
[0.5V]
1.1V
[1.1V]
-1.1V
[-1.1V]
-0.5V
[-0.5V]
1V
[1V]
0.2V
[0.2V]
-0.3V
[-0.3V]
-0.3V
[-0.3V]
48.9V
[62.1V]
0V
[0V]
0V
[0V]
0.5V
[0.5V]
-48.9V
[-62.1V]
-0.5V
[-0.5V]
0.5V
[0.5V]
1.1V
[1.1V]
-1.1V
[-1.1V]
-0.5V
[-0.5V]
1V
[1V]
0.2V
[0.2V]
-0.3V
[-0.3V]
-0.3V
[-0.3V]
48.9V
[62.1V]
0V
[0V]
0V
[0V]
0.5V
[0.5V]
-48.9V
[-62.1V]
-0.5V
[-0.5V]
1.1V
[1.1V]
-1.1V
[-1.1V]
-0.5V
[-0.5V]
1V
[1V]
0.2V
[0.2V]
-0.3V
[-0.3V]
-0.3V
[-0.3V]
48.9V
[62.1V]
0V
[0V]
0V
[0V]
0.5V
[0.5V]
-48.9V
[-62.1V]
-0.5V
[-0.5V]
1.1V
[1.1V]
-1.1V
[-1.1V]
1V
[1V]
0.2V
[0.2V]
-0.3V
[-0.3V]
-0.3V
[-0.3V]
48.9V
[62.1V]
0V
[0V]
0V
[0V]
-48.9V
[-62.1V]
-0.5V
[-0.5V]
0.5V
[0.5V]
1.1V
[1.1V]
-1.1V
[-1.1V]
1V
[1V]
0.2V
[0.2V]
-0.3V
[-0.3V]
-0.3V
[-0.3V]
48.9V
[62.1V]
0V
[0V]
0V
[0V]
0.5V
[0.5V]
Q6901
Q6701
Q6702
Q6602
Q6603
Q6601
Q6034
Q6074
Q6024
Q6014
Q6054
Q6033
Q6073
Q6023
Q6013
Q6053
Q6032
Q6072
Q6022
Q6012
Q6052
Q6031
Q6071
Q6021
Q6011
Q6051
Q6030
Q6070
Q6020
Q6010
Q6050
R6902
1K
R6308
4.7K
R6602
1K
R6603
1K
R6601
1K
R6704
47K
R6701
22K
R6702
10K
R6710
56K
[12K]
R6709 5.6K
R6706
220K
R6708
33K
R6850
390
(1/2W)
R6851
390
(1/2W)
R6306
10K
R6307
2.2K
R6054
3.9K
R6084
2.2
(1/4W)
R6074
100
[110]
(1/4W)
R6134
R6234
8.2 (1W)
R6014
3.9K
R6004
5.6K
R6034
1K
[390]
R6164
33K
R6094
2.2
(1/4W)
R6154
12K
R6144 22K
R6194
220K
[330K]
R6174 47K
R6184
47K
R6053
3.9K
R6083
2.2
(1/4W)
R6073
100
[110]
(1/4W)
R6133
R6233
8.2 (1W)
R6013
3.9K
R6003
5.6K
R6033
1K
[390]
R6163
33K
R6093
2.2
(1/4W)
R6153
12K
R6143 22K
R6193
220K
[330K]
R6173 47K
R6183
47K
R6052
3.9K
R6082
2.2
(1/4W)
R6072
100
[110]
(1/4W)
R6132
R6232
8.2 (1W)
R6012
3.9K
R6002
5.6K
R6032
1K
[390]
R6162
33K
R6092
2.2
(1/4W)
R6152
12K
R6142 22K
R6192
220K
[330K]
R6172 47K
R6182
47K
R6051
3.9K
R6081
2.2
(1/4W)
R6071
100
[110]
(1/4W)
R6131
R6231
8.2 (1W)
R6011
3.9K
R6001
5.6K
R6031
1K
[390]
R6161
33K
R6091
2.2
(1/4W)
R6151
12K
R6141 22K
R6191
220K
[330K]
R6171 47K
R6181
47K
R6050
3.9K
R6080
2.2
(1/4W)
R6070
100
[110]
(1/4W)
R6130
R6230
8.2 (1W)
R6010
3.9K
R6000
5.6K
R6030
1K
[390]
R6160
33K
R6090
2.2
(1/4W)
R6150
12K
R6140 22K
R6190
220K
[330K]
R6170 47K
R6180
47K
C6902
C6901
8200/56
C6901, 6902
TX-SR402/ 8240 -----
10000/69
HT-R420 ---------------
C6701
100/6.3
[220/6.3]
C6704
1/50
C6706
100/6.3
C6044
47/50
C6043
47/50
C6042
47/50
C6041
47/50
C6040
47/50
C6906
104J
C6907
104J
C6905
334J
[334J
/100]
C6904
334J
[334J
/100]
C6034
C6234
473J
C6033
C6233
473J
C6032
C6232
473J
C6031
C6231
473J
C6030
C6230
473J
R6044
1K
IID
R6043
1K
IID
R6042
1K
IID
R6041
1K
IID
R6040
1K
IID
R6104
0.22
X2
(2W)
R6103
0.22
X2
(2W)
R6102
0.22
X2
(2W)
R6101
0.22
X2
(2W)
R6100
0.22
X2
(2W)
D6906
D6702
D6701
D6307
D6306
D6705
D6706
D6902
D6901
D6014
D6004
D6013
D6003
D6012
D6002
D6011
D6001
D6010
D6000
R6024
R6023
R6022
R6021
R6020
P6004
TO NAAF-7866
P6003
TO NAAF-7866
P6002
TO NAAF-7866
P6001
TO NAAF-7866
P6000
TO NAAF-7866
P931
TO NAPS-7877
Q6044
Q6064
Q6043
Q6063
Q6042
Q6062
Q6041
Q6061
Q6040
Q6060
Q6703
Q6303
C6703
223Z
C6903
104J
C6920
C6708
223Z
P6906
R6380
PTFL04BE471Q
2N34B0(90)
THERMAL SENS.
R6380
PTFL04BE471Q
2N34B0(90)
THERMAL SENS.
P6084
ID+
ID-
P6083
ID+
ID-
P6082
ID+
ID-
P6081
ID+
ID-
P6080
ID+
ID-
P6301
TH1
COM
JL6402C
TX-SR8240 MGR
TX-SR402 MGR
HT-R420 MPA, MPT, MWT
JL6402B
HT-R420 MDC,MDD
JL6402A
NF
NF
-B1
E
-B1
+B1
E
+B1
B+
E
B+
B-
E
B-
E
E
E
E
E
+24V
TH1
NF
NF
-B1
-B1
+B1
+B1
B+
B+
B-
B-
NF
-B1
+B1
B+
B-
BRLD
+B1
FRLD
CSRLD
+24V
HPL
HPR
E
+24V
MPUGND
MPUGND
VOLH/THPRO
SEC1H
SPB
SPCS
+13VS
SPF
+13VS
+13VS
PRO
MPUGND
POWER
MPUGND
+13VS
POWER
POWER
RLGND
F6901
TYPE
F6902
DD, DC
8A-UL,8A-T/UL-ST2
8A-UL,8A-T/UL-ST2
PA, PT
8A-EAK
8A-EAK
GR
8A-EAK
8A-EAK
WT
8A-EAK
8A-EAK
NO.
TX-SR402/TX-SR8240
HT-R420
Q6010-6014
2SC1740S-R,S
2SC1740S-R,S
Q6020-6024
2SC1740S-R,S
2SC1740S-R,S
Q6030-6031
KTD2061-Y OR 2SC5171
KTD2061-Y OR 2SC5171
Q6040-6041
KTB1369-Y OR 2SA1930
KTB1369-Y OR 2SA1930
Q6032-6034
2SC5511-E OR KTD2061-Y OR 2SC5171
KTD2061-Y OR 2SC5171
Q6042-6044
2SA2005-E OR KTB1369-Y OR 2SA1930
KTB1369-Y OR 2SA1930
Q6050-6051
2SC5198-R,O OR MN130S-Y,P,O
2SC5242-R,O OR MN150S-Y,P,O
Q6052-6054
MN100S-Y,P,O OR KTD1047-Y,O
KTC5242-O,R OR MN130S-Y,P,O OR 2SC5242-O,R
Q6060-6061
2SA1941-R,O OR MP130S-Y,P,O
2SA1962-R,O OR MP150S-Y,P,O
Q6062-6064
MP100P-Y,P,O OR KTB817-Y,O
KTA1962-O,R OR MP130S-Y,P,O OR 2SA1962-O,R
Q6070-6074
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
2SC2631-R,S
Q6601-6603,Q6901
KTC3199-GR,2SC1740S-R,S,2SC2458-GR
KTC3199-GR,2SC1740S-R,S,2SC2458-GR
Q6701,6702
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
KTC3200-BL,GR OR 2SC1775A-E,F OR 2SC1845-E,F
Q6703
KTA1268-GR,BL OR 2SA992-E,F
KTA1268-GR,BL OR 2SA992-E,F
Q6303
KTA1267-GR OR 2SA933S-R,S
KTA1267-GR OR 2SA933S-R,S
NAETC-8256
NAETC-7880
RSSPE
LSSPE
CSPE
RSPE
LSPE
RSSP
LSSP
CSP
RSP
LSP
SR
SL
C
R
L
NONE
NAAF-7875
NC
NC
U26
THERMAL
SENSOR
PC BOARD
U22
THERMAL
SENSOR
PC BOARD
U17
POWER AMPLIFIER PC BOARD
0.5V
[0.5V]
-0.5V
[-0.5V]
24V
0V
0V
0.5V
[0.5V]
Refer to the following table about the parts displayed by mark" "
<Notes>
NC=No mount of parts.
[ ] Varues are for HT-R420
Refer to the following table about the parts displayed by mark" "
NOTE
.THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
.VOLTAGE (MEASURED WITHVOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL)
.ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
.ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
.ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
.ELECTROLYTIC CAPACITORS ( )ARE IN u F/WV.
.ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF333- 0.033uF
.ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
.THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
.CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
. IS DC VOLTAGE, AT NO INPUT SIGNAL.
0.5V
[0.5V]
-0.5V
[-0.5V]