Panasonic SA-AK240E / SA-AK240EB / SA-AK240EG Service Manual ▷ View online
17.6. (D) Transformer Circuit
1
2
4
6
8
7
5
3
9
VCC+
VCC-
AC GND
AC_IN
SUB+B
GND
1
2
4
6
8
7
5
3
9
CN5950
CN5951
D5950-D5953
B0EAMM000038
D5954-D5957
B0EAKM000122
C5920
50V1000
C5940
50V1000
C5950
2200
FP5950
4A
RL5950
K6B1AEA00015
D5965
B0AAFK000004
C5958
0.01
C5957
50V10
R5961
150
R5960
4.7K
D5960
B0BA02400030
D5959
B0EAKM000122
D5958
B0EAKM000122
C5956
50V47
C5955
50V22
R5951
3.3K
D5966
B0AAFK000004
R5963
82
C5953
0.01
R5952
4.7K
C5952
10V47
R5953
150
D5963
B0AAFK000004
D5986
B0AACK000004
D5964
B0BA6R800008
C5963
50V4.7
R5958
10K
R5957
10K
C5954
0.01
JK5950
FL2
-VP
-VP
FL1
SYS6V
SYS6V
SYS6V
PCONT
SYNC
D_GND
Q5952
T5951
RTP1H3E002
C5960
D5952
D5950
D5951
D5953
0.1
D5954
D5955
D5956
D5957
C5959
0.01
Z5950
ERZV10V511CS
L5950
ELF15N035AN
D5961
D5962
C5951
0.01
D5961,D5962
B0AAFK000004,
4
3
2
1
SCHEMATIC DIAGRAM - 5
TRANSFORMER CIRCUIT
SA-AK240E/EB/EG TRANSFORMER CIRCUIT
: +B SIGNAL LINE
: -B SIGNAL LINE
FP5940
7A
FP5920
7A
1
2
3
5
7
4
6
16
17
17
15
14
12
10
13
11
9
8
1
2
3
4
8
7
6
5
2
3
1
4
230V-240V,50Hz...EB
AC IN
F1
250V 1.6A
FC2
FC1
Q5953
B1AACF000064
PCONT SWITCH
Q5950
B1AAKD0000014
Q5951
2SB0621AHA
VOLTAGE REGULATOR
Q5952
B1GACFJJ0018
SYNCHRONISATION SWITCH
VOLTAGE REGULATOR
TO
POWER
CIRCUIT
(H5104/W5104)
ON SCHEMATIC
DIAGRAM-6
TO
PANEL
CIRCUIT
(H6555/W6555)
ON SCHEMATIC
DIAGRAM-4
T5950
G4CYAYY00058
D5987
B0AAFK000004
230V,50Hz...E/EG
SA-AK240E / SA-AK240EB / SA-AK240EG
69
SA-AK240E / SA-AK240EB / SA-AK240EG
70
17.7. (H) Power Circuit
+VCC1
+VCC2
+VCC2
2
1
TO
MAIN
CIRCUIT
(CN2809)
ON
SCHEMATIC
DIAGRAM-3
1
2
3
4
5
6
7
8
9
10
F_HOP
T_GND
MODE
+15V
HI_L
HI_R
LO_L
LO_R
LO_R
A GND
A_GND
F_HOP
T_GND
MODE
HI_L
HI_R
LO_L
W5506
0
LO_R
A_GND
R5147
2.2
R5123
4.7
R5125
0
Q5101
Q5103
Q5104
04
C5107
R5317
10K
R5313
150K
R5413
100K
C5155
1000P
C5105
10V220
R5111
100K
R5150
220K
D5126
B0ACCK000005
JK5101
SPEAKER
R+
R-
L+
L-
R-
L+
L-
2
4
3
1
R5514
0
C5205
0.1
R5206
1M
R5205
100K
R5207
6.8K
C5202
100P
C5203
100P
C5201
470P
R5203
10K
R5201
1K
R5204
100K
R5202
100K
R5210
270
C5210
220P
R5209
10
C5208
6.3V680
C5204
100P
X5201
H2A415300001
X5202
H2A375300003
Q5202
Q5201
C5701
6.3V100
F_HOP
AGND
AGND
IC5201
C0JBAB000011
LOGIC
1
14
2
3
4
5
13
12
11
10
6
9
8
7
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
VSSA1
SGND
VDDA
T
IN1-
OSC
PRBT
VDDP1
IN1+
BOOT1
OUT1
VSSP1
ST
AB1
VSSP2
OUT2
BOOT2
VDDP2
VSSD
VSSA1
SGND
VDDA1
IN2-
IN2+
MODE
IC5301
R5154
100
Q5153
Q5173
R5153
100
C531
1
220P
C5310
0.1
R5139
10
W5511
0
C5313
0.015
C5319
0.015
C5321
0.1
R5138
10
C5317
0.1
C5327
0.68
R5305
22
22
R5306
L5301
G0C220Z00002
C5316
0.1
C5314
0.1
C5312
0.1
C5315
0.1
C5309
0.1
C5308
0.1
C5324
0.68
C5333
220P
C5331
220P
C5325
0.1
C5326
0
C5328
0.1
C5329
0
C5318
0.1
C5320
0.1
C5322
0.1
C5323
0.1
R5307
10
R5308
10
C5339
0.47
R5303
5.6K
R5304
5.6K
C5340
0.47
C5336
1000P
C5305
330P
R5149
1K
R5173
1K
C5301
0.47
R5301
5.6K
R5302
5.6K
C5303
0.47
C5337
1000P
C5302
330P
2
3
1
4
HL_R
LQ_R
AGND
AGND
MODE
AGND
C5330
220P
C5332
220P
C5121
50V47
R5146
5.6K
R5174
0
R5148
5.6K
C5123
35V1000
C5124
35V1000
L5101
J0JKB0000037
L5102
J0JKB0000037
R5112
47K
W5505
0
R5113
47K
POWER CIRCUIT
SA-AK240E/EB/EG POWER CIRCUIT
SCHEMATIC DIAGRAM - 6
: +B SIGNAL LINE
: -B SIGNAL LINE
E5101
: MAIN SIGNAL LINE
R5122
0
Q5201
B1ABCF000176
FREQUENCY HOPPING
SWITCH
Q5202
B1ADCF000063
FREQUENCY HOPPING
SWITCH
Q5111
B1BACG000023
+15V REGULATOR
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
IC5301
C1BA00000407
2-CH DIGITAL AMP
Q5154
2SB0709AHL
PCONT SWITCH
Q5173
B1ABCF000176
SWITCH
Q5153
B1ABCF000176
MODE SWITCH
W5504
0
W5507
0
C5335 0.015
C5435 0.015
C5343
0.015
R5151
150K
1/2
VCC
6A
6Y
5A
5Y
4A
4Y
1A
2A
1Y
2Y
3A
3Y
GND
L5601
G0B9R5K00001
L5602
G0B9R5K00001
SA-AK240E / SA-AK240EB / SA-AK240EG
71
K5101
B0EAKM000122
W5501
0
B0EAKM000122
B0EAKM000122
D5129
C5158
0.01
R5131
2.2K
R5144
12
C5111
6.3V100
R5130
150
+VCC1
+VCC2
+VCC2
-VCC1
-VCC2
-VCC2
ACIN
SUB+B
AC GND
AC GND
AC GND
DGND
TO
TRANSFORMER
CIRCUIT
(CN5950) ON
SCHEMATC
DIAGRAM-5
2
4
6
8
9
9
7
5
3
1
C5112
25V10
D5108
B0BA5R700008
D5128
D5128,D5124,D5123
D5124
D5123
R5135
2.2
R5136
2.2
R5137
2.2
R5133
10K
C5159
0.01
Q5113
R5134
1.2K
Q5114
R5132
330
C5113
50V33
D5109
B0BA01100004
D5125
B0AAFK000004
CN5102
TO
MAIN
CIRCUIT
(CN2809)
ON
SCHEMATIC
DIAGRAM-3
1
2
3
4
5
6
7
8
9
10
11
12
F_HOP
T_GND
MODE
+15V
HI_L
HI_R
LO_L
LO_R
LO_R
FAN
A GND
A_GND
F_HOP
T_GND
MODE
HI_L
HI_R
LO_L
W5506
0
LO_R
A_GND
R5147
2.2
R5123
4.7
E5102
K4CZ01000027
C5101
35V1000
R5125
0
W5509
0
R5126
1K
R5127
470
C5110
25V100
C5109
25V100
D5152
B0BA01900005
R5152
0
Q5101
Q5103
Q5104
Q5110
D5107
B0BA01500003
C5157
0.01
C5151
100P
D5101
B0BA01
100004
D5102
B0BA02600018
R5101
10K
R5114
1.8
C5114
0.1
C5102
100V10
R5103
10K
C5103
100V10
C5107
0.1
C5187
0.1
C5186
0.1
C5106
0.1
R5317
10K
C5171
50V1000
C5172
50V1000
D5122
B0EAKM000122
B0EAKM000122
D5121
C5104
35V1000
C5153
100P
Q5102
Q5108
D5105
D5104
B0BA02400029
B0BA01
100004
D5103
B0BA3R900006
R5110
2.2K
R5109
1K
R5108
47
R5107
560
C5152
0.1
R5105
10K
C5115
0.1
R5106
22K
R5313
150K
R5413
100K
C5155
1000P
C5105
10V220
R5111
100K
R5150
220K
D5126
B0ACCK000005
JK5101
SPEAKER
R+
R-
L+
L-
R-
L+
L-
2
4
3
1
R5514
0
C5205
0.1
R5206
1M
R5205
100K
R5207
6.8K
C5202
100P
C5203
100P
C5201
470P
R5203
10K
R5201
1K
R5204
100K
R5202
100K
R5210
270
C5210
220P
R5209
10
C5208
6.3V680
C5204
100P
X5201
H2A415300001
X5202
H2A375300003
Q5202
Q5201
C5701
6.3V100
F_HOP
AGND
AGND
IC5201
C0JBAB000011
LOGIC
1
14
2
3
4
5
13
12
11
10
6
9
8
7
C5327
0.68
R5305
22
22
R5306
L5301
G0C220Z00002
C5324
0.68
C5333
220P
C5331
220P
C5325
0.1
C5326
0
C5328
0.1
C5329
0
R5307
10
R5308
10
C5339
0.47
R5303
5.6K
R5304
5.6K
C5340
0.47
C5336
1000P
C5305
330P
C5301
0.47
R5301
5.6K
R5302
5.6K
C5303
0.47
C5337
1000P
C5302
330P
2
3
1
4
HL_R
LQ_R
AGND
AGND
MO
D
AG
N
C5330
220P
C5332
220P
C5123
35V1000
C5124
35V1000
L5101
J0JKB0000037
L5102
J0JKB0000037
R5112
47K
W5505
0
R5113
47K
CN5103
TO
MAIN
CIRCUIT
(CN2808)
ON
SCHEMATIC
DIAGRAM-3
1
2
3
4
5
6
7
8
9
10
11
12
PGND
FLGND
FLGND
DGND
PCONT
CD8V
NC
NC
STANDBY
12V
15V
-3V
SW5V
DC_DET
E5103
K4CZ01000027
E5101
K4CZ01000027
R5122
0
Q5201
B1ABCF000176
FREQUENCY HOPPING
SWITCH
Q5202
B1ADCF000063
FREQUENCY HOPPING
SWITCH
Q5115
B1AAKD000014
5.7 REGULATOR
Q5114
B1ABCF000176
11V REGULATOR
Q5112
B1BCCG000002
CURRENT STABLISER
Q5111
B1BACG000023
+15V REGULATOR
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
Q5113
B1GDCFNA0001
CURRENT LIMITER SWITCH
Q5109
2SB0709AHL
VOLTAGE REGULATOR
Q5110
B1AACF000064
26V REGULATOR
Q5101,Q5102
B1CEGM000001
CURRENT CONTROL SWITCH
Q5108
B1ABCF000176
SWITCH
H5104/W5104
W5504
0
W5507
0
W5508
0
C5335 0.015
C5435 0.015
C5343
0.015
R5151
150K
SA-AK240E/EB/EG POWER CIRCUIT
2/2
VCC
6A
6Y
5A
5Y
4A
4Y
1A
2A
1Y
2Y
3A
3Y
GND
L5601
G0B9R5K00001
L5602
G0B9R5K00001
SA-AK240E / SA-AK240EB / SA-AK240EG
72
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