Page 1
SERVICE MANUAL
downloaded from http://receiverfaq.ru/
MOD EL: M3SERVICE MANUAL
© NAD 2005
NAD ELECTRONICS INTERNATIONAL
TORONTO
SEVEN CHANNEL AMPLIFIER
M25 C/AH
SERVICE MANUAL
C/AH
M25
SEVEN CHANNEL AMPLIFIER
M25 C/AH
SEVEN CHANNEL AMPLIFIER
Page 2
WIRING DIAGRAM
P101AP101A
P102AP102A
P604BP604B
P611BP611B
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SC NPN
SC PNP
+18V
-18V
+70V
-70V
PROTECT
SEN
AC OFF
AGND
+62V
+62V
-62V
-62V
AGND
AGND
AGND
ISC TR IG
SCN_4
SCP_4
+18V
-18V
+70V
-70V
PROT1
SEN1
ACOFF
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
ISCTRIG_1
POWERAMP BOARD
P601BP601B
123456789
AGND
SCLED
SCLED
DGND
DGND
PROT7
PROT1
10111213141516
PROT6
PROT2
PROT5
PROT3
PROT4
+8V
P101AP101A
P102AP102A
+8V
P605BP605B
P612BP612B
STBY
STBY
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SC NPN
SC PNP
+18V
-18V
+70V
-70V
PROTECT
SEN
AC OFF
AGND
+62V
+62V
-62V
-62V
AGND
AGND
AGND
ISC TRIG
SCN_4
SCP_4
+18V
-18V
+70V
-70V
PROT2
SEN2
ACOFF
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
ISCTRIG_2
POWERAMP BOARD
P602BP602B
123456789
ISCTRIG_4
ISCTRIG_3
DGND
ISCTRIG_2
ISCTRIG_7
ISCTRIG_6
ISCTRIG_5
P621BP621B
1
FAN1
10111213141516
ISCTRIG_1
SEN5
AGND
SEN4
2
DGND
SEN6
SEN3
SEN7
P101AP101A
P102AP102A
SEN2
P606BP606B
P613BP613B
SEN1
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SC NPN
SC PNP
+18V
-18V
+70V
-70V
PROTECT
SEN
AC OFF
AGND
+62V
+62V
-62V
-62V
AGND
AGND
AGND
ISC TRIG
SCN_4
SCP_4
+18V
-18V
+70V
-70V
PROT3
SEN3
ACOFF
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
ISCTRIG_3
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
AGND4
POWERAMP BOARD
1
2
3
4
5
6
7
8
P619BP619B
P101AP101A
P102AP102A
P607BP607B
P614BP614B
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SC NPN
SC PNP
+18V
-18V
+70V
-70V
PROTECT
SEN
AC OFF
AGND
+62V
+62V
-62V
-62V
AGND
AGND
AGND
ISC TR IG
SCN_4
SCP_4
+18V
-18V
+70V
-70V
PROT4
SEN4
ACOFF
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
ISCTRIG_4
POWERAMP BOARD
P603BP603B
123456789
DGND
+18V
-18V
+70V
ACOFF
P622BP622B
1
2
FAN2
DGND
-70V
FAN3
FAN2
P401BP401B
FAN1
P618BP618B
10
AGND
P101AP101A
SC NPN
1
SC PNP
2
+18V
3
P102AP102A
P608BP608B
P615BP615B
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
-18V
+70V
-70V
PROTECT
SEN
AC OFF
AGND
+62V
+62V
-62V
-62V
AGND
AGND
AGND
ISC TRIG
SCN_3
SCP_3
+18V
-18V
+70V
-70V
PROT5
SEN5
ACOFF
+62V_3
+62V_3
-62V_3
-62V_3
AGND6
AGND6
AGND6
ISCTRIG_5
POWERAMP BOARD
STBY
1
+8V
2
DGND
3
SCLED
4
SCN_3
5
SCN_4
6
SCP_3
7
SCP_4
8
+62V_3
9
-62V_3
10
+62V_4
11
-62V_4
12
TRIG&SC BOARD
STBY
1
+8V
2
DGND
3
SCLED
4
SCN_3
5
SCN_4
6
SCP_3
7
SCP_4
8
+62V_3
9
10
+62V_4
11
12
-62V_3
-62V_4
+62V_3
+62V_3
-62V_3
-62V_3
AGND6
AGND6
AGND6
AGND6
1
2
3
4
5
6
7
8
P620BP620B
P101AP101A
P102AP102A
P609BP609B
P616BP616B
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
SC NPN
SC PNP
+18V
-18V
+70V
-70V
PROTECT
SEN
AC OFF
AGND
+62V
+62V
-62V
-62V
AGND
AGND
AGND
ISC TRIG
SCN_3
SCP_3
+18V
-18V
+70V
-70V
PROT6
SEN6
ACOFF
+62V_3
+62V_3
-62V_3
-62V_3
AGND6
AGND6
AGND6
ISCTRIG_6
POWERAMP BOARD
P101AP101A
SC NPN
1
SC PNP
2
+18V
3
-18V
4
+70V
5
-70V
6
PROTECT
7
SEN
8
AC OFF
9
AGND
1
+62V
2
+62V
3
-62V
4
-62V
5
AGND
6
AGND
7
AGND
8
ISC TRIG
9
P102AP102A
P610BP610B
SCN_3
1
SCP_3
2
+18V
3
-18V
4
+70V
5
-70V
6
PROT7
7
SEN7
8
ACOFF
9
1
+62V_3+62V_4
2
+62V_3
3
-62V_3
4
-62V_3
P623BP623B
1
FAN3
2
DGND
5
AGND6
6
AGND6
7
AGND6
8
ISCTRIG_7
9
P617BP617B
CONNECTION BOARD
POWERAMP BOARD
P206B
P206B
+12VD
1
PROT1
2
SCLED
3
PROT2
4
PROT3
5
PROT3
6
PROT4
7
PROT4
8
PROT5
9
PROT5
10
STBYLED
11
PROT6
12
+5VD
13
PROT7
14
DGND
15
DGND
16
FLEX 16PIN 1.0mm
FLEX 16PIN 1.0mm
123
ACINACIN
1
2
P503BP503B
123
STANDBY BOARD
1
2
P501BP501B
TO P501B TO P502B
1
2
P207BP207B
ACOUTACOUT
P506BP506B
+5V+5V
4
RELAYRELAY
4
P204BP204B
123456789
DGND
PROT7
AGND
PROT1
SCLED
SCLED
DGND
1
2
P502BP502B
1
2
10111213141516
PROT6
PROT2
PROT5
PROT3
P504BP504B
1
2
P505BP505B
1
2
3
4
3
PROT4
+8V
P205BP205B
123456789
+8V
STBY
STBY
DGND
ISCTRIG_7
ISCTRIG_6
ISCTRIG_4
ISCTRIG_3
ISCTRIG_5
ISCTRIG_2
ISCTRIG_1
SEN5
10111213141516
AGND
SEN4
SEN6
SEN3
SEN7
SEN2
SEN1
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
AGND4
1
2
3
4
5
6
7
8
P202AP202A
P203BP203B
123456789
DGND
+18V
-18V
+70V
ACOFF
-70V
FAN3
FAN2
FAN1
10
AGND
+62V_3
+62V_3
-62V_3
-62V_3
AGND6
AGND6
AGND6
AGND6
1
2
3
4
5
6
7
8
P201AP201A
+12V
-12V
+18V
-18V
+70V
-70V
+62V_4
-62V_4
+62V_3
-62V_3
+/-12V digital voltage
regulators
+/-18V anal og voltag e
regulators
+/-70V anal og voltag e
regulators
High current 4 ch annel
analog voltage r ectify
High current 3 ch annel
analog voltage r ectify
P209BP209B
12345
P208BP208B
12345
POWER SUPPLY BOARD
TO P209B TO P208B
FAN1FAN1
1
2
1
2
TO P504BTO P505B
1
2
3
4
12
P801AP801A
POWER SWITCH BOARD
P301A
P301A
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
FLEX 16PIN 1.0mm
FLEX 16PIN 1.0mm
+12VD
PROT1
SCLED
PROT2
PROT3
PROT3
PROT4
PROT4
PROT5
PROT5
STBYLED
PROT6
+5VD
PROT7
DGND
DGND
LED DISPLAY BOARD
FAN2FAN2
FAN3FAN3
1
2
1
2
1
2
1
7
8
2
9
3
10
11
4
12
5
13
14
15
tt
6
16
12345
12345
- 7 -
Page 3
SCHEMATICS DIAGRAM
SEN
62V
+62V
ISC
OFFSET
SEN
62V
+62V
ISCTRIG
OFFSET
R199
R199
220K
220K
6.8V
6.8V
D129
D129
BAV21
BAV21
R198
R198
100K
100K
D130
D130
/1/2W
+
+
4.7V
4.7V
C148
C148
1uF
1uF
D131
D131
/1/2W
F101
F101
T6.3AL/250V
T6.3AL/250V
R1A0
R1A0
390K
390K
R1A1
R1A1
220K
220K
+
+
D132
D132
BAV21
BAV21
C149
C149
1uF
1uF
R1E1
R1E1
3.3K
3.3K
D135
D135
R1E2
500
500
13
CW
CW
R1E2
33K
33K
R1E3
R1E3
1.5K
1.5K
/1%
2
1N5404
1N5404
R1A7
R1A8
R1A8
100
100
6.8K
6.8K
0.05
0.05
R1A7
/3W
Q144
Q144
MPSA92
MPSA92
R1E0
R1E0
470K
470K
Q145
Q145
2SC4793
2SC4793
RV103
RV103
R1A3
R1A3
470K
470K
+
+12V
+
C150
C150
1uF
1uF
R1A4
R1A4
220K
220K
84
5
+
+
6
-
-
IC104B
IC104B
TL082CP
TL082CP
D133
D133
7
1N4148
1N4148
-12V
R1A2
R1A2
10K
10K
D134
D134
1N4148
1N4148
1
IC104A
IC104A
TL082CP
TL082CP
3
+
+
2
-
-
+
+
C151
C151
1uF
1uF
R1A5
R1A5
220K
220K
-12V
13
CW
CW
RV104
RV104
100K
100K
2
Q143
Q143
MPSA92
MPSA92
R1A6
R1A6
47K
47K
R1A9
R1A9
/1%
+12V
-12V
TP5
INPUT
SC NPN
+12V
1
J101
J101
RCA
RCA
TESTPOINT 5
INPUT
R122
R122
100
100
R1041KR104
1K
Q101
Q101
2SA970
2SA970
R100
R100
470
470
2
R10147R101
47
R102
R102
2.2meg
2.2meg
180pF
180pF
R103
R103
C100
C100
470
470
/1KV
C101
C101
1nF
1nF
2SC2240
2SC2240
Q106
Q106
Q100
Q100
2SK170
2SK170
R10982R109
82
C102
C102
22pF
22pF
C107
C107
15pF
15pF
/1KV
R1101KR110
1K
/1%
C103
C103
180pF
180pF
R111
R111
ATO
ATO
/1KV
/1%
R105
R105
2.2meg
2.2meg
C104
C104
1nF
1nF
R112
R112
976
976
/1%
R1061KR106
1K
Q102
Q102
2SK170
2SK170
Q107
Q107
2SC2240
2SC2240
R11382R113
82
47pF
47pF
C105
C105
/1KV
Q103
Q103
2SA970
2SA970
D100
D100
1N4148
1N4148
D101
D101
1N4148
1N4148
R1071KR107
1K
/1%
ISC COMPARATOR
C108
C108
10nF
10nF
R1081KR108
1K
/1%
R114
R114
22K
22K
Q104
Q104
2SC2240
2SC2240
2SC2240
2SC2240
R1151KR115
1K
10pF
10pF
C106
C106
/1KV
Q105
Q105
R116
R116
1.8K
1.8K
C109
C109
22pF
22pF
/1KV
Q108
Q108
2SA970
2SA970
Q109
Q109
2SC2240
2SC2240
R11782R117
82
C110
C110
100uF
100uF
C111
C111
100nF
100nF
RV101
RV101
+
+
5KA
5KA
/16V
I/V
13
CW
CW
4
Q110
Q110
2SC1815
2SC1815
C112
C112
+
+
1uF
1uF
470pF
470pF
C114
R118
R118
2
470
470
5
C113
C113
+
+
1uF
1uF
C114
100nF
100nF
Q111
Q111
2SA1015
2SA1015
R119
R119
2.2meg
2.2meg
TEMP SEN
C153
C153
/1KV
C115
C115
1nF
1nF
R1201KR120
1K
Q112
Q112
2SK170
2SK170
C116
C116
22pF
22pF
/1KV
Q113
Q113
2SA970
2SA970
R1211KR121
1K
-12V
SC PNP
R1G1
R1G1
100
100
SMD 0805
C1G1
C1G1
100nF
100nF
SMD 0805
R123
R123
100
100
G1G1
G1G1
1
Ground Solder Tap
Ground Solder Tap
INPUT BUFFER
All Polyester capacitors are 63V unless noted.
All Elec. capacitors are 50V unless noted.
All Resistor are 1/6W RJ13 unless noted.
- 8 -
Page 4
SCHEMATICS DIAGRAM
62V
-12V
+68V
-18V
AGND
ISC
SC NPN
SC PNP
+62V
INPUT
+12V
+18V
-68V
-62V
OFFSET
PROTECT
TP5
SEN
+12V
AC OFF
TO-92 TO-92
e
b
c
2SA970
2SA1015
2SC1815
2SC2240
+68V
-18V-18V
C122
C122
100uF
100uF
/25V
AGNDAGND
ISCTRIG
SC NPN
SC PNP
100uF
100uF
C118
C118
100nF
100nF
C126
C126
100nF
100nF
-68V
-62V
OFFSET
PROTECTPROTECTPROTECTPROTECT
TP5
SEN
2N4403
MPSA42
MPSA92
R1H1
R1H1
100
100
C117
C117
+
+
ec
+
+
C120
C120
+62V
/16V
AC OFF
b
R124
R124
+
+
100uF
100uF
R1H2
R1H2
100
100
10K
10K
C127
C127
IC101
IC101
NJM79M12FA
NJM79M12FA
2
O3I
/250V
C154
C154
100nF
100nF
+
+
/100V
10uF
10uF
C123
C123
100nF
100nF
470nF
470nF
C130
C130
G
C157
C157
1
10uF
10uF
8
R127
R127
4.7K
4.7K
R125
R125
680
680
C119
C119
/1KV
1000pF
1000pF
IC102
IC102
NJM78M12FA
NJM78M12FA
1
/25V
R1H3
R1H3
10K
10K
2SK170
I
G
2
TO-92
SG
D
3
O
+
+
+
+
10uF
10uF
F102
F102
T6.3AL/250V
T6.3AL/250V
R183
R183
220K
220K
+
Q141
Q141
MPSA92
MPSA92
+
100uF
100uF
TO-126 TO-220
e
2SA1360
2SC3423
All Polyester capacitors are 63V unless noted.
All Elec. capacitors are 50V unless noted.
All Resistor are 1/6W RJ13 unless noted.
-
-
+
+
IC103C
IC103C
TL084BCD
TL084BCD
R126
R126
220
220
C128
C128
10uF
10uF
C155
C155
/100V
R184
R184
20K
20K
C145
C145
/16V
b
+
+
9
10
+
+
C158
C158
10uF
10uF
100nF
100nF
R185
R185
20K
20K
2SA1837
2SC4793
C124
C124
C125
C125
+
+
10uF
10uF
10nF
10nF
R128
R128
1meg
1meg
C131
C131
470nF
470nF
R129
R129
1meg
1meg
C129
C129
10nF
10nF
C121
C121
/250V
POWER ON/OFF DETECT
12
13
D121
D121
1N4148
1N4148
bc
ec
NJM78M12A
R186
R186
1meg
1meg
+
+
-
-
IC103D
IC103D
TL084BCD
TL084BCD
TO-220
IN
GND
14
OUT
NJM79M12A
R1301KR130
1K
R1311KR131
1K
Q114
Q114
2SC2240
2SC2240
RNI1
RNI1
N.I.
N.I.
R133
R133
100
100
Q116
Q116
2SC1815
2SC1815
R135
R135
180
180
R137
R137
180
180
Q118
Q118
2SA1015
2SA1015
R139
R139
100
100
RNI2
RNI2
N.I.
N.I.
Q120
Q120
2SA970
2SA970
R1411KR141
1K
R1421KR142
1K
R187
R187
10K
10K
TO-220
GND
IN
C132
C132
2SC2240
2SC2240
CNI1
CNI1
Q117
Q117
2SC1815
2SC1815
Q119
Q119
2SA1015
2SA1015
CNI2
CNI2
C133
C133
OUT
/1KV
470pF
470pF
Q115
Q115
N.I.
N.I.
R134
R134
100
100
R140
R140
100
100
N.I.
N.I.
Q121
Q121
2SA970
2SA970
/1KV
470pF
470pF
R188
R188
51K
51K
TO-264
2SA1943
2SC5200
R132
R132
100
100
R136
R136
22K
22K
R138
R138
22K
22K
R143
R143
100
100
D106
D106
1N4148
1N4148
/6.3V
+
+
C134 1000uF
C134 1000uF
R145
R145
D108
D108
1N4148
1N4148
R192
R192
2.21K
2.21K
/1%
DC OFFSET DETECT
D122
D122
1N4148
1N4148
D123
D123
1N4148
1N4148
+
+
C146
C146
/25V
22uF
22uF
ebc
D107
D107
L-513AD
L-513AD
RNI3
RNI3
N.I.
N.I.
R144
R144
/1%
100
100
C156
C156
100nF
100nF
CNI3
CNI3
RNI4
RNI4
/1KV
15pF
15pF
/1%
2.78K
2.78K
R189
R189
510K
510K
N.I.
N.I.
RNI5
RNI5
N.I.
N.I.
3
2
R191
R191
R190
R190
20K
20K
20K
20K
P101A
P101A
MOLEX 41662 RIGHT ANGLE
MOLEX 41662 RIGHT ANGLE
CONNECT TO CONNECTION BOARD COPPER STRIPS
D102
D102
1N4148
1N4148
D103
D103
1N4148
1N4148
R146
R146
100K
100K
R148
R148
100K
100K
D104
D104
1N4148
1N4148
D105
D105
1N4148
1N4148
D109
D109
L-513AD
L-513AD
411
+
+
-
-
-12V
1
2
3
4
5
6
7
8
9
Q122
Q122
2SA970
2SA970
CNI4
CNI4
22pF
22pF
Q123
Q123
2SA1360
2SA1360
Q124
Q124
2SC3423
2SC3423
CNI5
CNI5
22pF
22pF
Q125
Q125
2SC2240
2SC2240
+12V
1
IC103A
IC103A
TL084BCD
TL084BCD
1
2
3
4
5
6
7
8
9
D110
D110
BAV21
BAV21
D111
D111
1N4148
1N4148
/1KV
R147
R147
/1KV
SC NPN
SC PNP
-18V
-68V
PROTECT
SEN
AC OFF
C135
C135
47K
47K
68pF
68pF
R149
R149
C136
C136
47K
47K
68pF
68pF
D116
D116
1N4148
1N4148
D115
D115
BAV21
BAV21
D124
D124
1N4148
1N4148
MOLEX 41662 RIGHT ANGLE
MOLEX 41662 RIGHT ANGLE
/1KV
/1KV
P102A
P102A
D112
D112
1N4148
1N4148
CW
CW
2
D117
D117
1N4148
1N4148
D125
D125
N.I.
N.I.
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
D113
D113
1N4148
1N4148
D114
D114
1N4148
1N4148
R150
R150
3.9K
3.9K
C137
C137
100nF
100nF
C162
C162
N.I.
N.I.
2SC3423
2SC3423
R152
R152
1.43K
1.43K
13
RV102
RV102
300
300
CURRENT DETECT
R193
R193
20K
20K
R194
R194
10K
10K
AGND
+62V
+62V+18V
-62V
-62V+68V
AGND
AGND
AGND
ISCTRIG
100nF
100nF
R1511KR151
1K
Q126
Q126
R15333R153
33
100nF
100nF
CNI6
CNI6
CNI7
CNI7
+
+
22uF
22uF
/250V
/250V
C147
C147
R195
R195
100K
100K
Q127
Q127
MPSA92
MPSA92
/25V
-12V
CNI8
CNI8
/1KV
47pF
47pF
R15410R154
/1/4W
10
D136
D136
BAV21
BAV21
Q146
Q146
MPSA42
MPSA42
+
+
C138
C138
/25V
22uF
22uF
Q147
Q147
MPSA92
MPSA92
D138
D138
BAV21
BAV21
R15510R155
/1/4W
10
CNI9
CNI9
/1KV
47pF
47pF
D126
D126
1N4148
1N4148
5
6
D127
D127
1N4148
1N4148
90deg THERMAL CIRCUITBREAKER
90deg THERMAL CIRCUITBREAKER
W101
W101
JUMPER
JUMPER
BUS101
BUS101
COPPER STRIPS
COPPER STRIPS
R1N5
R1N5
220
C160
C160
47nF
47nF
C161
C161
47nF
47nF
D128
D128
1N4148
1N4148
220
R1N6
R1N6
220
220
C152
C152
1nF
1nF
C159
C159
1nF
1nF
+
+
-
-
+12V
R1N1
R1N1
220K
220K
R1N2
R1N2
33K
33K
Q148
Q148
MPSA92
MPSA92
Q149
Q149
MPSA42
MPSA42
R1N3
R1N3
33K
33K
R1N4
R1N4
220K
220K
7
IC103B
IC103B
TL084BCD
TL084BCD
MUST USE UL&CSA CERTIFIED
CB101
CB101
1 2
Q128
Q128
MJE340
MJE340
R1561KR156
Q129
Q129
MJE350
MJE350
R196
R196
100
100
+
/1/4W
R157
R157
1K
/1/2W
Q142
Q142
2N4403
2N4403
Q130
Q130
2SC4793
2SC4793
R158
R158
2.2
2.2
/1W
R159
R159
2.2
2.2
/1W
R1N72KR1N7
R1N82KR1N8
D137
D137
1N4148
1N4148
/1/2W
100
100
D139
D139
1N4148
1N4148
R1P12KR1P1
R1P22KR1P2
R160
R160
2.2
2.2
R161
R161
/1W
2.2
2.2
Q131
Q131
2SA1837
2SA1837
R197
R197
20K
20K
2K
2K
2K
2K
/1W
R1P3
R1P3
100
100
R1P4
R1P4
100
100
Q132
Q132
2SC5200
2SC5200
R162
R162
R163
R163
Q133
Q133
2SA1943
2SA1943
Q135
Q135
2SA1943
2SA1943
+12V
/5W
0.22
0.22
/5W
0.22
0.22
Q134
Q134
2SC5200
2SC5200
/5W
R164
R164
0.22
0.22
OUTPUTOUTPUT
/5W
R165
R165
0.22
0.22
D140
D140
BAV21
BAV21
R1P52KR1P5
+
C139
C139
4.7uF
4.7uF
2K
3.3
3.3
R1P62KR1P6
2K
L101
L101
0.7uH
0.7uH
R177
R177
/1W
100nF
100nF
C141
C141
/250V
R169
R169
4.7K
4.7K
R168
R168
22K
22K
D120
D120
R172
R172
10K
10K
Q137
Q137
MPSA92
MPSA92
R171
R171
22K
22K
22K
R175
R175
10K
10K
C142
C142
R178
R178
2.7
2.7
R180
R180
10K
10K
R182
R182
3.3K
3.3K
R174
R174
100K
100K
/250V
/2W
P103A
P103A
1
2
3
4
5
6
6PIN2.54
6PIN2.54
22K
Q138
Q138
MPSA42
MPSA42
4
180pF
180pF
1
2
3
4
5
6
R170
R170
RL101
RL101
JQX-115F/024/1HS1
JQX-115F/024/1HS1
3
1
2
10nF
10nF
1N4148
1N4148
TP2
TP1
SEN
OFFSET
AGND
TP5
IDLING CURRENT SETTING:
ADJUST RV102 LET VOLTAGE BETWEEN TP101 AND TP102: 17.6mV
FAN&ISC SENSITIVITY SETTING
ADJUST RV103 LET VOLTAGE AT SEN PORT: +750mV/25Deg
RESISTORS ARE CARBON FILM 1/6W UNLESS SPECIFIED
C144
C144
/1KV
Q139
Q139
MPSA92
MPSA92
R173
R173
22K
22K
R176
R176
100K
100K
R181
R181
22K
22K
Q140
Q140
MPSA42
MPSA42
D119
D119
1N4148
1N4148
C140
C140
22nF
22nF
R179
R179
N.I.
N.I.
C143
C143
N.I.
N.I.
+12V
J103
J103
RED
RED
J104
J104
WHITE
WHITE
1
G1G2
G1G2
N.I.
N.I.
-12V
TP2
TP1
SEN
OFFSET
TP5
AGND
- 9 -
Page 5
SCHEMATICS DIAGRAM
F201
F201
T1.6AL/250V
T1.6AL/250V
BR201
BR201
DB104G
DB104G
~
~
/100V
C201
C201
10nF
10nF
~
/100V
10nF
10nF
~
~
~
~
Q218
Q218
Q219
Q219
Q220
Q220
BR202
BR202
DB104G
DB104G
+-
+-
R255
R255
4.7K
4.7K
C271
C271
100nF
100nF
D207
D207
1N4148
1N4148
+12VD
D208
D208
1N4148
1N4148
+12VD
D209
D209
1N4148
1N4148
~
~
~
~
~
BR205
BR205
KBJ2506
KBJ2506
+12VD
+
+
+
+
C269
C269
10uF
10uF
+
+
C270
C270
10uF
10uF
P209B
P209B
5P3.96-C
5P3.96-C
P208B
P208B
1
2
3
4
5
5P7.5-C
5P7.5-C
R228
R228
15K
15K
R229
R229
4.7K
4.7K
SEN1
SEN2
OFF1
SEN3
SEN3
SEN4
OFF2
SEN5
SEN5
SEN6
OFF3
SEN7
ISCTRIG[1..7]
/1/4W
/1/4W
1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
D206
D206
1N4007
1N4007
R2A110R2A1
10
R261
R261
10K
10K
R262
R262
10K
10K
R2A4
R2A4
10K
10K
R263
R263
10K
10K
R2A210R2A2
10
R264
R264
10K
10K
R265
R265
10K
10K
R2A5
R2A5
10K
10K
R266
R266
10K
10K
R2A310R2A3
10
R267
R267
10K
10K
R268
R268
10K
10K
R2A6
R2A6
10K
10K
R269
R269
10K
10K
F203
F203
T1.6AL/250V
T1.6AL/250V
C210
C210
F204
F204
T1.6AL/250V
T1.6AL/250V
F202
F202
T1.6AL/250V
T1.6AL/250V
BR204
BR204
KBJ2506
KBJ2506
/250V
C241
C241
10nF
10nF
+18V +18V
R231
R231
10K
10K
R2561KR256
R2301KR230
1K
+
+
C240
C240
10uF
10uF
/100V
/1%
/1%
/1%
/1%
/1%
/1%
/1%
/1%
/1%
/1%
/1%
/1%
1K
Q229
Q229
2SC1815
2SC1815
R2A7
R2A7
/1%
10K
10K
411
IC203A
IC203A
TL084CN
TL084CN
3
+
+
2
-
-
C272
C272
100nF
100nF
C259
C259
1uF
1uF
R270
R270
/1%
43K
43K
100nF
100nF
R2A8
R2A8
/1%
10K
10K
5
+
+
6
IC203B
IC203B
-
-
TL084CN
TL084CN
C260
C260
1uF
1uF
R271
R271
/1%
43K
43K
C274
C274
100nF
100nF
R2A9
R2A9
/1%
10K
10K
10
+
+
9
IC203C
IC203C
-
-
TL084CN
TL084CN
C261
C261
1uF
1uF
R272
R272
/1%
43K
43K
C275
C275
1
C273
C273
7
8
100nF
100nF
6.8V
6.8V
6.8V
6.8V
6.8V
6.8V
D220
D220
D221
D221
D222
D222
R257
R257
10K
10K
Q230
Q230
2SC1815
2SC1815
R273
R273
100
100
/1/2W
R274
R274
100
100
/1/2W
R275
R275
100
100
/1/2W
-12VD
KSC2690AYS
KSC2690AYS
KSC2690AYS
KSC2690AYS
KSC2690AYS
KSC2690AYS
FAN1FAN1
FAN1
C268
C268
10uF
10uF
FAN3FAN3
G2G1
G2G1
+18V+18V
+70V
HS213
HS213
FOR Q220
HS214
HS214
FOR IC205
-18V
+62V_4
+62V_3+62V_3
ACIN
DGND
ACOUT
+5VD
RELAY
+8V
DGND
-62V_3
-62V_4
ACOFF
STBY
STBY
+8V
+8V
PROT4
PROT3
PROT5
PROT2
PROT6
PROT1
PROT7
DGND
DGND
SCLED
SCLED
DGND
SEN1
SEN2
SEN7
SEN3
SEN6
SEN4
NC
SEN5
DGND
1
Ground Solder Tap
Ground Solder Tap
P207A
P207A
1
2
3
4
5
6
6PIN2.0-A100B
6PIN2.0-A100B
STBYLED
STBY
OFF1
OFF2
OFF3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
+18V
+70V
-70V
-18V
+62V_4
+62V_3
-62V_3
-62V_4
ACOFF
STBY
STBY
+8V
+8V
PROT4
PROT3
PROT5
PROT2
PROT6
PROT1
PROT7
DGND
DGND
SCLED
SCLED
DGND
SEN1
SEN2
SEN7
SEN3
SEN6
SEN4
SEN5
ISCTRIG_1
ISCTRIG_2
ISCTRIG_3
ISCTRIG_4
ISCTRIG_5
ISCTRIG_6
ISCTRIG_7
DGND
LM7812CT
Q201
Q201
Q202
Q202
+-
+-
+-
+-
2K
2K
O3I
G
2
1
G
O3I
Q203
Q203
2SC1815
2SC1815
Q204
Q204
2SA1015
2SA1015
LM7812CT
LM7912CT
LM7912CT
R205
R205
100
100
+
+
C215
C215
100uF
100uF
+
+
C216
C216
100uF
100uF
R206
R206
100
100
Q231
Q231
2SC1815
2SC1815
Q232
Q232
2SC1815
2SC1815
C206
C206
100nF
100nF
C207
C207
100nF
100nF
/35V
/35V
R232
R232
10K
10K
J202
J202
2PIN2.54-C
2PIN2.54-C
1
2
J203
J203
2PIN2.54-C
2PIN2.54-C
1
2
47uF
47uF
47uF
47uF
1.5K
1.5K
C217
C217
C218
C218
R208
R208
1.5K
1.5K
+
+
+
+
R207
R207
/25V
/25V
C208
C208
10uF
10uF
C209
C209
10uF
10uF
+12VD
-12VD
+
+
+
+
R233
R233
10K
10K
Q210
Q210
2SC1815
2SC1815
Q211
Q211
2SA1015
2SA1015
R234
R234
10K
10K
R281
R281
10K
10K
/1/2W
/1/2W
C219
C219
R2361KR236
10nF
10nF
2SB647
2SB647
1K
R280
R280
10K
10K
Q212
Q212
/100V
10nF
10nF
C220
C220
/100V
R2351KR235
2.2nF
2.2nF
2.2nF
2.2nF
R2371KR237
1K
1K
C243
C243
C244
C244
ISCTRIG_5
ISCTRIG_7
ISCTRIG_6
ISCTRIG_4
ISCTRIG_2
ISCTRIG_3
ISCTRIG_1
C221
C221
10nF
10nF
/250V
BR203
BR203
DB104G
DB104G
R23847R238
47
/1/2W
3
Q236 30TPS08Q236 30TPS08
12
C245
C245
/250V /250V
2.2nF
2.2nF
C246
C246
/250V /250V
2.2nF
2.2nF
1 2
Q237 30TPS08Q237 30TPS08
3
Q213
Q213
2SD667
2SD667
+12VD
R284 10KR284 10K
R285 10KR285 10K
R286 10KR286 10K
R287 10KR287 10K
R288 10KR288 10K
R289 10KR289 10K
R290 10KR290 10K
R21310R213
/1/2W
10
R214
R214
1.8K
1.8K
100uF
100uF
R215
R215
1.8K
1.8K
R216
R216
1.8K
1.8K
+
+
+
+
/100V
C227
C227
47uF
47uF
C232
C232
47uF
47uF
/100V
R223
R223
1.8K
1.8K
R22410R224
/1/2W
10
147
8
IC204A
4.3V
4.3V
D219
D219
1
2
4
5
IC204A
SN74HC21N
SN74HC21N
SN74HC21N
SN74HC21N
9
C222
C222
~
~
+-
+-
~
~
C223
C223
R2391KR239
1K
R24047R240
47
/1/2W
R2911KR291
1K
/80V
+
+
/250V
C224
C224
10nF
10nF
+12VD
+
+
/250V
C225
C225
10nF
10nF
+
+
C247
C247
/80V
22000uF
22000uF
+
+
C248
C248
/80V
22000uF
22000uF
D213
D213
/1/2W /1/2W /1/2W
4.3V
4.3V
D216
D216
/1/2W /1/2W /1/2W /1/2W
4.3V
4.3V
1000uF
1000uF
/80V
1000uF
1000uF
4.3V
4.3V
D217
D217
4.3V
4.3V
D214
D214
D232
D232
13V
13V
/1/2W
R211
R211
470
470
C226
C226
10uF
10uF
R222
R222
1.8K
1.8K
HS207
HS207
70-046005-0
70-046005-0
FOR BR204&Q236
HS208
HS208
70-046005-0
70-046005-0
FOR BR205&Q237
R292
R292
10K
10K
13
12
10
D215
D215
4.3V
4.3V
D218
D218
4.3V
4.3V
All Polyester capacitors are 63V unless noted.
All Elec. capacitors are 50V unless noted.
All Resistor are 1/6W RJ13 unless noted.
C228
C228
+
+
100nF
100nF
+
+
C233
C233
100uF
100uF
D212
D212
5.1V
5.1V
IC204B
IC204B
/35V
R217
R217
220
220
D202
D202
1N4148
1N4148
C229
C229
R225
R225
+
+
/35V
/1/2W
R293
R293
2SC1775
2SC1775
/100V
2SA872
2SA872
1.8K
1.8K
+
+
10K
10K
6
Q234
Q234
2SC1775
2SC1775
Q207
Q207
Q209
Q209
Q235
Q235
2SA872
2SA872
C267
C267
10uF
10uF
2SC4793
2SC4793
R241
R241
10K
10K
R296
R296
10K
10K
Q205
Q205
2SC1775
2SC1775
2SA1837
2SA1837
+12VD
D201
D201
1N4148
1N4148
Q208
Q208
47pF
47pF
Q206
Q206
R294
R294
10K
10K
Q223
Q223
2SC1815
2SC1815
R212
R212
470
470
R218
R218
2.2K
2.2K
D204
D204
1N4148
1N4148
C234
C234
R250
R250
/1KV
470
470
10K
10K
Q214
Q214
2SC1815
2SC1815
Q215
Q215
2SA1015
2SA1015
10K
10K
R295
R295
10K
10K
+12VD
2SC1815
2SC1815
R242
R242
R243
R243
R297
R297
10K
10K
Q225
Q225
/1/2W
R2451KR245
/1/2W
1K
C230
C230
47pF
47pF
R219
R219
220
220
D203
D203
1N4148
1N4148
R226
R226
220
220
Q216
Q216
2SB647
2SB647
2SC1815
2SC1815
R298
R298
10K
10K
/1KV
R2441KR244
2.2nF
2.2nF
2.2nF
2.2nF
R2461KR246
1K
Q224
Q224
1K
C249
C249
C250
C250
R220
R220
+
+
10.2K
10.2K
C231
C231
10uF
10uF
/100V
R221
R221
2.1K
2.1K
D205
D205
1N4148
1N4148
+
+
C235
C235
R227
R227
/100V
10uF
10uF
12K
12K
R24747R247
47
/1/2W
3
Q238 30T PS08Q238 30TPS08
12
C251
C251
/250V /250V
2.2nF
2.2nF
C252
C252
/250V /250V
2.2nF
2.2nF
1 2
Q239 30TPS08Q239 30TPS08
3
Q217
Q217
2SD667
2SD667
2
RV201
RV201
1K
1K
CW
CW
1 3
R2E11KR2E1
1K
D225
D225
1N4148
1N4148
7
IC206B
IC206B
TL082CP
TL082CP
Q226
Q226
2SC1815
2SC1815
/1%
/1%
/1%
/100V
C236
C236
100nF
100nF
/100V
C237
C237
100nF
100nF
R2481KR248
1K
R24947R249
47
R2E3
R2E3
180
180
R2E2
R2E2
10K
10K
84
+
+
-
-
R2E9
R2E9
20K
20K
C262
C262
220pF
220pF
COPPER STRIP
COPPER STRIP
COPPER STRIP
COPPER STRIP
COPPER STRIP
COPPER STRIP
/1/2W
+
+
100uF
100uF
5
6
/1KV
BUS203
BUS203
BUS204
BUS204
BUS205
BUS205
+
+
C238
C238
10uF
10uF
Q240
Q240
2SC1775
2SC1775
Q241
Q241
2SA872
2SA872
+
+
C239
C239
10uF
10uF
12
13
C264
C264
/16V
100nF
100nF
C266
C266
100nF
100nF
/100V
/100V
+
+
C253
C253
27000uF
27000uF
+
+
C254
C254
27000uF
27000uF
R2E41KR2E4
1K
R2E5
R2E5
100K
100K
+
+
-
-
C265
C265
-70V-70V
/80V
/80V
IC203D
IC203D
TL084CN
TL084CN
+12VD
-12VD
+
+
C276
C276
10uF
10uF
+
+
C277
C277
10uF
10uF
FOR BR206&Q238
14
-12VD
R2F1
R2F1
10K
10K
D235
D235
R2H2
R2H2
10K
10K
3.3V
3.3V
/1/2W
D236
D236
R2H3
R2H3
10K
10K
3.3V
3.3V
/1/2W
BUS206 COPPER STRIPBUS206 COPPER STRIP
HS209
HS209
70-046005-0
70-046005-0
HS210
HS210
70-046005-0
70-046005-0
FOR Q239
BUS201 COPPER STRIPBUS201 COPPER STRIP
BUS202 COPPER STRIPBUS202 COPPER STRIP
R2E61KR2E6
1K
J201
J201
2
1
2PIN2.54-C
2PIN2.54-C
TEST POINT
D226
D226
R2E71KR2E7
1K
1N4148
1N4148
R2E8
R2E8
10K
10K
R2F2
R2F2
20K
20K
IC206A
IC206A
D224
D224
TL082CP
TL082CP
1N4148
1N4148
1
D223
D223
1N4148
1N4148
R2F3
R2F3
10K
10K
+12VD
SCLED
PROT3
PROT4
PROT5
STBYLED
+5VD
DGND
FLAT 1mm CONNECTOR
FLAT 1mm CONNECTOR
TO FRONT DISPLAY BOARD
D233
D233
1N4148
1N4148
D234
D234
1N4148
1N4148
Q233
Q233
2SC1815
2SC1815
+
+
-
-
P206B
P206B
1
3
5
7
9
11
13
15
+12VD
3
2
R2H4
R2H4
10K
10K
BR208
BR208
DB104G
DB104G
D227
D227
1N4148
1N4148
D228
D228
1N4148
1N4148
D229
D229
1N4148
1N4148
R2F4
R2F4
10K
10K
C263
C263
100nF
100nF
2
4
6
8
10
12
14
16
PROT1
PROT2
PROT3
PROT4
PROT5
PROT6
PROT7
DGND
HS201
HS201
70-046006-0
70-046006-0
FOR IC201
HS202
HS202
70-046006-0
70-046006-0
FOR IC202
~
~
+-
+-
~
~
C255
C255
2200uF
2200uF
+12VD
-12VD
/25V
D230
D230
1N4148
1N4148
D231
D231
1N4148
1N4148
HS203
HS203
70-046006-0
70-046006-0
FOR Q201
HS204
HS204
70-046006-0
70-046006-0
FOR Q202
C256
C256
10nF
10nF
/100V /100V
+
+
Q227
Q227
2SD667
2SD667
R2F50R2F5
0
R2F6
R2F6
N.I.
N.I.
HS205
LM7806CT
LM7806CT
1
2SC1815
2SC1815
13-13908-00
13-13908-00
13-13908-00
13-13908-00
IC205
IC205
O3I
G
2
Q228
Q228
C258
C258
P201A
P201A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
P202A
P202A
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
P203A
P203A
1
2
3
4
5
6
7
8
9
10
10PIN2.0-A60B
10PIN2.0-A60B
HS205
70-046006-0
70-046006-0
FOR Q205
HS206
HS206
70-046006-0
70-046006-0
FOR Q206
C257
C257
100nF
100nF
/100V
10nF
10nF
AGND6
AGND6
AGND6
AGND6
-62V_3
-62V_3
+62V_3
+62V_3
AGND1
FAN1
FAN2
FAN3
-70V
+70V
ACOFF
+18V
-18V
DGND
R252
R252
100K
100K
AGND4
AGND4
AGND4
AGND4
-62V_4
-62V_4
+62V_4
+62V_4FAN2
R2511KR251
1K
R2531KR253
1K
HS211
HS211
70-010003-1
70-010003-1
FOR Q218
HS212
HS212
70-010003-1
70-010003-1
FOR Q219
TO AMP CONNECTION BOARD
70-010003-1
70-010003-1
70-046006-0
70-046006-0
AC CURRENT SENS
R254
R254
470
470
P204B
P204B
UPSIDE
UPSIDE
CONTACTS
CONTACTS
FLAT 1mm CONNECTOR
FLAT 1mm CONNECTOR
P205B
P205B
UPSIDE
UPSIDE
ISCTRIG_1
ISCTRIG_2
ISCTRIG_3
ISCTRIG_4
ISCTRIG_5
ISCTRIG_6
ISCTRIG_7
CONTACTS
CONTACTS
FLAT 1mm CONNECTOR
FLAT 1mm CONNECTOR
IC201
IC201
1
+
+
R2H1
R2H1
C202
C202
C204
C203
C203
/100V/100V
10nF
10nF
10nF
10nF
BR206
BR206
BR207
BR207
KBJ2506
KBJ2506
KBJ2506
KBJ2506
/250V
10nF
10nF
R282
R282
10K
10K
R283
R283
10K
10K
/35V
/35V
+
+
3300uF
3300uF
+
+
3300uF
3300uF
C204
10nF
10nF
C205
C205
10nF
10nF
IC202
IC202
KSA1 220AY S
KSA1 220AY S
R2011KR201
1K
R203
R203
2.2K
2.2K
C213
C213
C214
C214
R204
R204
2.2K
2.2K
R2021KR202
1K
~
~
~
~
~
~
~
~
R209
R209
10K
10K
Q221
Q221
2SC1815
2SC1815
R299
R299
100
100
R258
R258
10K
10K
Q222
Q222
2SC1815
2SC1815
R259
R259
100
100
2
/35V
/35V
KSC2690AYS
KSC2690AYS
R2102KR210
R2602KR260
8.2
8.2
/5W
3300uF
3300uF
+-
+-
+
+
3300uF
3300uF
C211
C211
+-
+-
C212
C212
~
~
+-
+-
C242
C242
~
~
+12VD
R276
R276
3.3K
3.3K
D210
D210
/1/2W
8.2V
8.2V
R277
R277
3.3K
3.3K
+12VD
R278
R278
3.3K
3.3K
D211
D211
/1/2W
8.2V
8.2V
R279
R279
3.3K
3.3K
The J202&J203 links should be shorted
during the test for 8ohms load and
should be resumed after the test.
- 10 -
Page 6
SCHEMATICS DIAGRAM
+5VD
P301A
P301A
+12VD
1
PROT1
2
SCLED
3
PROT2
4
PROT3
5
PROT3
6
PROT4
7
PROT4
8
PROT5
9
PROT5
10
STBYLED
11
PROT6
12
+5VD
13
PROT7
14
DGND
15
DGND
16
FLEX 16PIN 1.0mm
FLEX 16PIN 1.0mm
STBYLED
+12VD
D312
D312
11V
11V
/1/2W
R349
R349
10K
10K
R345
R345
10K
10K
R346
R346
10K
10K
Q333
Q333
2SC1815
2SC1815
+
+
47uF
47uF
2SC1815
2SC1815
2SD667
2SD667
C301
C301
R34356R343
56
STANDBY LED
Q330
D308
D308
SCLED
Q330
2SC1815
2SC1815
Q332
Q332
2SA1015
2SA1015
R350
R350
360
360
Q329
Q329
2SA1015
2SA1015
BL-BJLB4274
BL-BJLB4274
Q331
Q331
D310
D310
1N4148
1N4148
Q334
Q334
D309
D309
BL-BUBB4274
BL-BUBB4274
/16V
SOFT CLIPPING LED
R344
R344
120
120
R347
R347
10K
10K
R3481KR348
1K
R315
R315
10K
10K
R322
R322
10K
10K
R301
R301
510
510
CH1 LED
Q301
Q301
2SA1015
2SA1015
D301
D301
BL-BUBB4274
BL-BUBB4274
Q315
Q315
2SC1815
2SC1815
Q308
Q308
2SC1815
2SC1815
Q322
Q322
2SA1015
2SA1015
PROT1
R308
R308
330
330
R329
R329
10K
10K
R336
R336
10K
10K
STBYLED is +0.7V at normal working condition and is +5V at STNADBY mode.
PROT1-PROT7 each is +10.5V at normal working condition.When any
channel is in protection,the relevant PROT will be at -10.5V.
SCLED is floating at normal working condition,when Softclipping mode,
SCLED be connect to GND.
R306
R320
R320
10K
10K
R327
R327
10K
10K
R306
510
510
Q306
Q306
2SA1015
2SA1015
D306
D306
BL-BUBB4274
BL-BUBB4274
Q320
Q320
2SC1815
2SC1815
Q313
Q313
2SC1815
2SC1815
Q327
Q327
2SA1015
2SA1015
PROT6
R313
R313
330
330
R334
R334
10K
10K
R341
R341
10K
10K
R321
R321
10K
10K
R328
R328
10K
10K
R312
R302
R302
510
510
R309
R309
330
330
R303
R303
510
510
R310
R310
330
330
R304
R304
510
510
R311
R311
330
330
R305
R305
510
510
R312
330
330
CH2 LED CH3 LED CH4 LED CH5 LED CH6 LED CH7 LED
Q303
R316
R316
10K
10K
R323
R323
10K
10K
Q302
Q302
2SA1015
2SA1015
D302
D302
BL-BUBB4274
BL-BUBB4274
Q316
Q316
2SC1815
2SC1815
Q309
Q309
2SC1815
2SC1815
Q323
Q323
2SA1015
2SA1015
PROT2
R330
R330
10K
10K
R337
R337
10K
10K
R317
R317
10K
10K
R324
R324
10K
10K
Q303
2SA1015
2SA1015
D303
D303
BL-BUBB4274
BL-BUBB4274
Q317
Q317
2SC1815
2SC1815
Q310
Q310
2SC1815
2SC1815
Q324
Q324
2SA1015
2SA1015
PROT3
R331
R331
10K
10K
R338
R338
10K
10K
R318
R318
10K
10K
R325
R325
10K
10K
2SA1015
2SA1015
2SC1815
2SC1815
Q304
Q304
2SC1815
2SC1815
D304
D304
BL-BUBB4274
BL-BUBB4274
Q318
Q318
2SA1015
2SA1015
PROT4
Q311
Q311
Q325
Q325
R332
R332
10K
10K
R339
R339
10K
10K
R319
R319
10K
10K
R326
R326
10K
10K
Q305
Q305
2SA1015
2SA1015
D305
D305
BL-BUBB4274
BL-BUBB4274
Q319
Q319
2SC1815
2SC1815
Q312
Q312
2SC1815
2SC1815
Q326
Q326
2SA1015
2SA1015
PROT5
R333
R333
10K
10K
R340
R340
10K
10K
R307
R307
510
510
Q307
Q307
2SA1015
2SA1015
D307
D307
BL-BUBB4274
BL-BUBB4274
Q321
Q321
2SC1815
2SC1815
Q314
Q314
2SC1815
2SC1815
Q328
Q328
2SA1015
2SA1015
PROT7
R314
R314
330
330
R335
R335
10K
10K
R342
R342
10K
10K
All Polyester capacitors are 63V unless noted.
All Elec. capacitors are 50V unless noted.
All Resistor are 1/6W unless noted.
- 11 -
Page 7
SCHEMATICS DIAGRAM-
SCLED
SCP_4
+62V_4
-62V_4
SCN_4
SCP_3
SCLED
SCP_4
+62V_4
-62V_4
SCN_4
SCP_3
24V
24V
24V
24V
D401
D401
/1/2W
D402
D402
/1/2W
R401
R401
27K
27K
R402
R402
27K
27K
/1%
/1%
R405
R405
/1%
1K
1K
R409
R409
1K
1K
/1%
+
+
C401
C401
10uF
10uF
+
+
C402
C402
10uF
10uF
R410
R410
/1%
1K
1K
R406
R406
1K
1K
R407
R407
1K
1K
/1%
/1%
1
2
3
7
8
4
5
6
10
11
+62V_3
-62V_3
SCN_3
+8V
STBY
+62V_3
-62V_3
SCN_3
+8V
STBY
24V
24V
24V
24V
D403
D403
/1/2W
D404
D404
/1/2W
R403
R403
27K
27K
R404
R404
27K
27K
/1%
/1%
9
R411
R411
1K
1K
/1%
+
+
C403
C403
10uF
10uF
+
+
C404
C404
10uF
10uF
R412
R412
/1%
1K
1K
R408
R408
/1%
1K
1K
S401
S401
SSSU142NA1
SSSU142NA1
S402
S402
SSSU122NA1
SSSU122NA1
2
3
12
41
5
6
DGND
12PIN2.0-C
12PIN2.0-C
P401B
P401B
1
2
3
4
5
6
7
8
9
10
11
12
DGNDDGNDDGNDDGND
STBY
+8V
DGND
SCLED
SCN_3
SCN_4
SCP_3
SCP_4
+62V_3
-62V_3
+62V_4
-62V_4
R413
R413
J401
1K
1K
/1%
J401
PY301-030-100
PY301-030-100
All Polyester capacitors are 63V unless noted.
All Elec. capacitors are 50V unless noted.
All Resistor are 1/6W unless noted.
- 12 -
Page 8
SCHEMATICS DIAGRAM
P501B
P501B
PCFS250L
PCFS250L
P503B
W501
LIVE
1
2
W501
1 2
10mm JUMPER
10mm JUMPER
TR501
TR501
1
10
7V
ONLY USED FOR C VERSION
P503B
2
1
2PIN2.54-C
2PIN2.54-C
P502B
P502B
KY250
KY250
1
NEUTRAL
2
C501
C501
100nF/275V
100nF/275V
1 2
7.5mm JUMPER
7.5mm JUMPER
ONLY USED FOR AH VERSION
RV501
RV501
0.5R030
0.5R030
Inrush Current Limiter
TR502
TR502
1
DHCT3 10A/4mA
DHCT3 10A/4mA
CURRENT TRANSFORMER
W503&W504 ONLY FOR AH VERSION
W505 ONLY FOR C VERSION
W502
W502
2
t
t
5
C352 STANDBY TANS
C352 STANDBY TANS
6
0V
TO POWER SWITCH BOARD
P506B
P506B
6
5
4
3
2
1
6PIN2.54-C
6PIN2.54-C
FROM POWER SUPPLY BOARD
RL501
832A-1A-C-BH DC5V
2
832A-1A-C-BH DC5V
RL501
2
1
4
3
D501
D501
1N4148
1N4148
P504B
P504B
1
2
2PIN3.96-C
2PIN3.96-C
FROM MAIN TRANSFORMER
P505B
12
W503
W503
12
W504
W504
15mm JUMPER
15mm JUMPER
12
W505
W505
15mm JUMPER
15mm JUMPER
7.5mm JUMPER
7.5mm JUMPER
P505B
4
3
2
1
MOLEX 43160-2104
MOLEX 43160-2104
F1
F1
FUSE HOLDER
FUSE HOLDER
U1
U1
AC INLET
AC INLET
W1
W1
14-97301-01
14-97301-01
W2
W2
14-97301-02
14-97301-02
W3
W3
14-97301-03
14-97301-03
W4
W4
14-97301-00
14-97301-00
W501&W505
W502,W503&W504
F1 (user accessible fuse)
TO MAIN TRANSFORMER
M25 120V/230V TABLE
NO INSERT
T20AL/250V T10AL/250V
230V120V
INSERT
NO INSERTINSERT
- 13 -
Page 9
SCHEMATICS DIAGRAM
P601B
FLAT CONNECTOR SMD16
FLAT CONNECTOR SMD16
CONTACTS UPSIDE
CONTACTS UPSIDE
P601B
P601B1
FLAT CONNECTOR SMD16
FLAT CONNECTOR SMD16
CONTACTS UPSIDE
CONTACTS UPSIDE
P601B1
P603B
P603B
JST2.0-10C SMD
JST2.0-10C SMD
1112
1718
6
7
8
9
10
11
12
13
14
15
16
STBY
STBY
+8V
+8V
PROT4
PROT3
PROT5
PROT2
PROT6
PROT1
PROT7
DGND
DGND
SCLED
SCLED
AGND
P604B
P604B
SCN_4
SCP_4
+18V
-18V -18V
+68V
-68V
PROT1
SEN1
ACOFF
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
BUS601
BUS601
69-010002-0
69-010002-0
1
2
3
SCN_4
SCP_4
+18V
-18V
+68V
-68V
PROT2
SEN2
ACOFF
1
P605B
P605B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
BUS602
BUS602
69-010002-0
69-010002-0
2
SCN_4
SCP_4
+18V
-18V
+68V
-68V
PROT3
SEN3
ACOFF
3
SEN1
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
BUS603
BUS603
69-010002-0
69-010002-0
1
16
14
15
SEN2
SEN7
P606B
P606B
2
13
SEN3
1
2
3
4
5
6
7
8
11
12
SEN6
SEN4
3
9
10
AGND
SEN5
ISCTRIG_1
ISCTRIG_2
ISCTRIG_3
SCN_4
SCP_4
+18V
+68V
-68V
PROT4
SEN4
ACOFF
2
3
4
5
ISCTRIG_4
ISCTRIG_5
ISCTRIG_6
ISCTRIG_7
P607B
P607B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
1
DGND
1718
1
2
3
4
5
6
7
8
9
10
+68V
ACOFF
-18V
+18V
DGND
BUS604
BUS604
69-010002-0
69-010002-0
1
P609B
P608B
P608B
SCN_3
SCP_3
+18V
-18V
+68V
-68V
PROT5
SEN5
ACOFF
2
3
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
1
SCN_3
SCP_3
+18V
-18V
+68V
-68V
PROT6
SEN6
ACOFF
BUS605
BUS605
69-010002-0
69-010002-0
2
P609B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
3
SCN_3
SCP_3
+18V
-18V
+68V
-68V
PROT7
SEN7
ACOFF
1
P610B
P610B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
BUS606
BUS606
69-010002-0
69-010002-0
2
3
-68V
FAN3
FAN2
FAN1
AGND
P618A
P618A
1
2
3
4
5
6
7
8
9
10
11
12
12PIN2.0-A710B
12PIN2.0-A710B
STBY
+8V
DGND
SCLED
SCN_3
SCN_4
SCP_3
SCP_4
+62V_3
-62V_3
+62V_4
-62V_4
+62V_4A
+62V_4B
+62V_4
P611B
P611B
+62V_4A
+62V_4A
-62V_4A
-62V_4A
AGND4A
AGND4A
AGND4A
ISCTRIG_1 ISCTRIG_3 ISCTRIG_5 ISCTRIG_6 ISCTRIG_7
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
P621B
P621B
2PIN2.54-C
2PIN2.54-C
1
2
-62V_4A
-62V_4B
+62V_4B
+62V_4B
-62V_4B
-62V_4B
AGND4B
AGND4B
AGND4B
ISCTRIG_2
-62V_4
P612B
P612B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
AGND4A
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
AGND4B
AGND4
P613B
P613B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
P622B
P622B
2PIN2.54-C
2PIN2.54-C
1
2
+62V_4
+62V_4
-62V_4
-62V_4
AGND4
AGND4
AGND4
ISCTRIG_4
P614B
P614B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
P619B
P619B
13-25008-00
13-25008-00
+62V_4
1
+62V_4
2
-62V_4
3
-62V_4
4
AGND4
5
AGND4
6
AGND4
7
AGND4
8
2PIN2.54-C
2PIN2.54-C
P623B
P623B
1
2
P620B
P620B
13-25008-00
13-25008-00
+62V_3
1
2
3
4
5
6
7
8
+62V_3
+62V_3
-62V_3
-62V_3
AGND6
AGND6
AGND6
AGND6
+62V_3A
+62V_3B
+62V_3
+62V_3
-62V_3
-62V_3
AGND6
AGND6
AGND6
-62V_3
P615B
P615B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
-62V_3A
+62V_3A
+62V_3A
-62V_3A
-62V_3A
AGND6A
AGND6A
AGND6A
-62V_3B
P616B
P616B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
AGND6
+62V_3B
+62V_3B
-62V_3B
-62V_3B
AGND6B
AGND6B
AGND6B
AGND6A
AGND6B
P617B
P617B
1
2
3
4
5
6
7
8
9
13-25009-00
13-25009-00
DGND
FAN1
DGND
FAN2
- 14 -
DGND
FAN3
Page 10
SCHEMATICS DIAGRAM
S801
S801
1 2
SDDLB1027U-RN
SDDLB1027U-RN
P801A
P801A
1
1
2
2
2P2.54-A100B
2P2.54-A100B
- 15 -
Page 11
SCHEMATICS DIAGRAM
Primary leads are terminated with
Molex 43375-0001 and with Molex
housing 44441-2004
P1A
P1A
1
2
3
4
MOLEX_44441-2004
MOLEX_44441-2004
P2A
P2A
1
2
MOLEX_51144-0200
MOLEX_51144-0200
Thermal protector leads are
terminated with Molex 50539-8000
and with Molex housing 51144-0200
BLU UL1672 16AWG 150mm
117V between Pin1 to Pin2
WHI UL1672 16AWG 150mm
BLK UL1672 16AWG 150mm
117V between Pin3 to Pin4
BWN UL1672 16AWG 150mm
WHI UL1015 22AWG 150mm
120deg Thermal Autoreset switch
WHI UL1015 22AWG 150mm
TR1
TR1
1
2
3
4
5
t
t
6
M25 MAIN TRANSFORMER
M25 MAIN TRANSFORMER
GRY UL1015 14AWG 300mm
7
RED UL1015 14AWG 300mm
8
BLK UL1015 14AWG 300mm
9
ORA UL1015 14AWG 300mm
10
WHI UL1015 14AWG 300mm
11
VIO UL1015 22AWG 300mm
13
GRN UL1015 22AWG 300mm
14
BLK UL1015 22AWG 300mm
15
GRY UL1015 22AWG 300mm
16
YEL UL1015 22AWG 300mm
17
Secondary leads are terminated with
Molex 43375-0001 and with Molex
housing 44441-2005
42.9V No load 41.1V/17.4A(Voltage between Pin9 to Pin10)
42.9V No load 41.1V/17.4A(Voltage between Pin8 to Pin9)
0V
57.4V No load 55.2V/13.5A(Voltage between Pin7 to Pin9)
57.4V No load 55.2V/13.5A(Voltage between Pin9 to Pin11)
18.9V No load 18.3V/0.6A(Voltage between Pin15 to Pin16)
18.9V No load 18.3V/0.6A(Voltage between Pin14 to Pin15)
0V
66.9V No load 65V/0.2A(Voltage between Pin13 to Pin15)
66.9V No load 65V/0.2A(Voltage between Pin15 to Pin17)
P3A
5
4
3
2
1
Secondary leads are terminated
with Molex 50539-8000 and with
Molex housing 51144-0500
P3A
MOLEX 44441-2005
MOLEX 44441-2005
P4A
P4A
1
2
3
4
5
MOLEX_51144-0500
MOLEX_51144-0500
Secondary high and low Alternative loads
Secondary current at normal load
Thermal protector mounted on secondary
side but leads close to primary leads
Diameter <162mm Center filled and 10mm hole
Height <106mm
Weight <10.8Kg
Comments:
1)Primary resistance:2x0.36ohm
2)Secondary resistance:2x(0.065+0.03) and 2x(1.1+0.44)ohm
3)Calculated temperature rise at 1350VA
continuous load:77 deg C
4)CUL recognized to UL6500 and Can/CSA E60065-00
Label: ┌ ┐
Toroid Audio Ltd
P/N: TI-043810 AU Iss 2
NAD: M25
Thermal Autoreset 120Deg
Class B insulation system (E202144/Z125)
cULus logo + E115159 CE Logo
└┘
44441-2004 44441-2005 43375-0001 50539-8000
51144 series
- 16 -
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