TX-SR55
SCHEMATIC DIAGRAM 4
Power amplifier section
C6703
223Z
C6707
223Z
P6000B
TO
NAAF
8383
(SCH. 3)
NF
-B1
+B1
B+
B-
P6001B
TO
NAAF
8383
(SCH. 3)
NF
-B1
+B1
B+
B-
P6002B
TO
NAAF
8383
(SCH. 3)
NF
-B1
+B1
B+
B-
P6804A
TO NAETC-8400
(SCH. 5)
D6704
MTZJ5.1B
D6703
MTZJ5.1B
D6707
MTZJ5.1B
JL6803A
TO NAETC-8399
(SCH. 5)
SRSPE
SLSPE
SBRSPE
SBLSPE
SBLSPE
JL6802A
TO NAETC-8399
(SCH. 5)
JL6402A
TO NAETC-8402
(SCH. 5)
P6081
ID+
ID-
P6082
ID+
ID-
P6080
ID+
ID-
Q6703
Q6304
Q6303
Q6303,6304:
KTA1267-GR OR
2SA933-R,S
Q6041
Q6061
Q6042
Q6062
Q6040
Q6060
D6701
D6702
D6000
D6001
D6002
D6005
D6006
D6306
D6307
D6011
D6012
D6010
R6101
0.22 X2
(5W)
R6102
0.22 X2
(5W)
R6100
0.22 X2
(5W)
R6041
1K
R6042
1K
R6040
1K
C6231
473J
C6235
473J
C6230
473J
C6232
473J
C6236
473J
C6051
103J
C6052
103J
C6050
103J
C6701
100/6.3
C6706
100/6.3
C6704
1/50
C6041
47/50
C6042
47/50
C6040
47/50
R6708
33K
R6702
10K
R6701
22K
R6704
47K
R6709
5.6K
R6710
12K
R6706
220K
R6180
47K
R6170
47K
R6181
47K
R6231
8.2 (1W)
R6171
47K
R6182
47K
R6172
47K
R6175
47K
R6176
47K
R6185
47K
R6186
47K
R6634
1K
R6632
1K
R6631
1K
R6633
1K
R6230
8.2 (1W)
R6232
8.2 (1W)
R6236
8.2
(1W)
R6751
390
(1/2W)
R6750
390
(1/2W)
R6235
8.2
(1W)
R6309
470
R6306
10K
R6310
4.7K
R6307
470
R6308
4.7K
R6707 22K
R6605
10
(1/2W)
R6031
1K
R6001
5.6K
R6011
3.9K
R6071
120
(1/4W)
R6051
3.9K
R6161
33K
R6151
12K
R6061 2.2
(1/4W)
R6081
2.2
(1/4W)
R6091
2.2
(1/4W)
R6241
220K
R6141
22K
R6201
100
R6032
1K
R6002
5.6K
R6012
3.9K
R6072
120
(1/4W)
R6052
3.9K
R6162
33K
R6152
12K
R6062 2.2
(1/4W)
R6082
2.2
(1/4W)
R6092
2.2
(1/4W)
R6242
220K
R6142
22K
R6202
100
R6030
1K
R6000
5.6K
R6010
3.9K
R6070
120
(1/4W)
R6050
3.9K
R6160
33K
R6150
12K
R6060 2.2
(1/4W)
R6080
2.2
(1/4W)
R6090
2.2
(1/4W)
R6240
220K
R6140
22K
R6200
100
Q6702
Q6701
Q6604
Q6602
Q6601
Q6603
Q6011
Q6021
Q6031
Q6071
Q6051
Q6012
Q6022
Q6032
Q6072
Q6052
Q6010
Q6020
Q6030
Q6070
Q6050
[-0.3V]
[1.0V]
[1.1V]
[0.6V]
[-0.6V]
[-0.4V]
[-1.1V]
[-53.0V]
[-0.6V]
[0.6V]
[53.0V]
[-0.3V]
[1.0V]
[1.1V]
[0.6V]
[-0.6V]
[-0.4V]
[-1.1V]
[-53.0V]
[-0.6V]
[0.6V]
[53.0V]
[-0.3V]
[1.0V]
[1.1V]
[0.6V]
[-0.6V]
[-0.4V]
[-1.1V]
[-53.0V]
[-0.6V]
[0.6V]
[53.0V]
P6801A
TO NAETC-8400
(SCH. 5)
P6800A
TO NAETC-8400
(SCH. 5)
P6301
TH1
TH2
COM
JL6200A
TO NAAF-8391
(SCH. 5)
P6953A
TO NAPS-8389
(SCH. 6)
+24V
+24V
TH2
TH1
+B1
-B1
E
SBRSP
SBLSP
IPRO
SBLSP
SBRSP
SLSP
SRSP
RSP
LSP
CSP
Z2RLD
SBRLD
FRLD
CSRLD
+24VR
HPL
HPR
E
+24V
S3GND
SPRLCS
SPRLF
SPRLSB
SPRLZ2
SEC1H
POWER
+10VS
+10VS
MPUGND
VOLH
PRO
POWER
THRM
A
1
2
3
4
5
B
C
D
