Text preview for : Biema J16a, J26a, J36a, J46a (Schematic).pdf part of Biema J16a, J26a, J36a, J46a Schematic for the power amplifiers Biema J16a, Biema J26a, Biema J36a, Biema J46a.
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R* R169 56K R170 47K T123 C1815 1K A-CLIP
CLIP
R?
T122
2N5401
J46a-1(CHB)/Amp
CHB THE SAME AS CHA
D +63V CHA +63V C114 GND 101 D109 1N4004 T108 C4793 T110 C5200 R138 100n/100V 47/1W 0.5/5W T120 T121 R159 18K(J46.J36)20K(J26.J16) R134 R151 0.5/5W T115 A1943 RB5 C115 C127 100uF/100V D105 1N4004 D107 1N4004 101 2.2/0.5W RB4 2.2/0.5W 2.2K 2.2K R135 R152 0.5/5W T116 A1943 RB3 2.2/0.5W CHA -63V -63V R136 2.2K R157 0.5/5W T117 A1943 0.5/5W 0.5/5W 2.2K 2.2K 2.2K A-OUT L101 R153 10/1W OUT C R149 R150 R153 R131 R132 R133 T111 C5200 T112 C5200 T110~T114/C3263(C5200)
500/3W
D GND R132 R168 15K T105 C112 C113 22P A42 NTC101 1N4004 C116 D667 -t NTC-103 T107 D669 R137 220 D108 VR103 331 1N4004 T106 C4793 GND R134 100 R135 100 R150 24K T109 A1837 D104 1N4148 100n/100V C121 R165 18K(J46.J36)20K(J26.J16) R139 47/1W 47uF/25V B647 R136 1K D106 C120 22P 100/1W T104 A1837 A1837
R219 500/3W
+15V C126 100uF/100V
D121 +15V 1N4737X2
R192
C130
C128
R120 15K
500/3W
100n/100V
R126
R127
220uF/50V GND
D101 1N4148
3K3
3K3
GND
C108
A42
T101
T102
CHA IN
10uF/35V
GND R133 10K/1W
R121
C111
C
5K6
R128
R129
GND
VR102 103
221 R125 24K GND
100
100
R124 10K
C119 104 R152 10/5W
R130
T103 A42
D110 1N4004 GND T115~T119/A1294(A1943)
R122 5K6
C101 10u/25V
47K
D103
R131
15K
15V/0.5W
D102 1N4148 100uF/16V R151 1K2 C117 10P HGND
GND
C118
B
R123 15K
: 0.25W
B
-15V GND
-15V
R194
R193
R192
J46a-1(CHA)/Amp
+24V OUT R173 470K R175 10K D116 4148 T126 C1815 T124 C2240 T125 C2240 C1815 T128 C124 100uF/25V R174 22K R182 10K T127 C2240 FAN PROT GND R176 10K D117 15V/0.5W JK100 DC24V +24V CHA OUT
C210
500/3W
500/3W
500/3W
D111
D112
C131 100n/100V
D122 1N4737X2
D115 IN4756X2 D113 D114 1N4004X4 GND T129 C1815 R167 47 C122 47U
1 R166 220 VR104 B471 2
CN108
220uF/50V
GND
LIMITER
SW1
LIMITER
R171 15K
LDR101A LDR
A
PGND
C123 100uF/16V
R172 47K
R177 3K Title A-PROT Size B Date: File: Text 3 4 5 7-Oct-2003 E:\efile\J\J46aAmp.sch Sheet of Drawn By: 6
A
GND
J16a/J26a/J36a/J46A.Sch
Number Revision
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5 6 R102 10K 3 2 4K7 4u7/35V LDR101B 100n C104 47P R111 27K R115 0 R113 3K R116 R216 1K 5 6 6P2.5 R208 4K7 LDR100B R210 24K R214 R212 15K 1K GND LDR-A 47uF/25V C206 R215 0 R213 3K 1.44V R209 47K R211 10K VR201 4k7 C207 47P U202B 7 NE5532 SENSITIVITV SW101 0.775V CHB 1K CHA R114 1K R112 15K R106 C106 47uF/25V CN101 47P 10K LDR-A R109 47K R110 10K 100n GND C107 47P C132 C133 1 NE5532/4 C134 100n C135 100n R107 R108 4K7 C105 NE5532/8 R103 10K 4u7/35V R105 10K U101A NE5532 U101B 7 NE5532
D
CK100A
JK101
JK101
C101 4u7/35V
+15V -15V
1 2 3
1 2 3
D
6MIC
C102
R101
R102
CK101A
47K
47K
C103
PIN3
GND
CHA OUT CHB OUT GND GND C
CK100B 3 2 4K7 4u7/35V 1 R207 C205 R203 10K 4u7/35V R205 10K C204 47P R206 47P 10K
JK102 R202 10K
JK102
C201 4u7/35V U201A NE5532
1 2 3 4 5 6
1 2 3
1 2 3
C
6MIC
C202
R201
R202
CK101B
47K
47K
26dB
C203
PIN3
GND C109 R118 47K 5 R119 1 NE5532 1K R219 47K NE5532 B SW102 BRI GND +24V STERE 6 47P
JK103 R117 2 3 GND A-CLIP CN102 A-PROT 47K U103A U103B 7
1 2 3
J46a-1(CHA/CHB)/Amp
3P2.5
B
CHA OUT
OUT-A
SW1
LIMITER
CHA GND
ON
SPK1A
CHA OUT 8PIN
OFF
1 2 3 4 5 6 7 8
PAR
SPK1B GND B-PROT B-CLIP GND GND Title Size B Date: File: 3 4 5 7-Oct-2003 E:\efile\J\J46aInPut.sch Sheet of Drawn By: 6 A R190 6K8 R189 6K8 +50V
CHB OUT
JK104
OUT-A
CHB GND
1 2 3
3P2.5
A
CHB OUT
J16a/J26a/J36a/J46a.Sch
Number Revision
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D B2 115V AC AC IN 69V -V IN GND AC + 69V AC IN U2 35A/1KV +V IN
D
115V GND B1 FU301 115V 10A/250V GND AC AC IN 69V -V IN GND 115V 1 AC22V 2 2P3.96VH +24V GND 4P3.96VH D305 R303 1N4148 10K T302 C1815 C309 100uF/25V AGND R302 47K C1815 C310 0.1uF/275VMTK R304 100K GND T301 R301 470K 2P3.96VH C307 2 1 1N4004X4 U301 KA7824 +24V in out G C308 -100 CN302 1 2 3 4 B CN1 CN301 AC FU302 10A250V D301~D304 + 69V AC IN U1 35A/1KV +V IN C302 C304 +97V C306 4700uF/100V4700uF/100V4700uF/100V C301 C303 C305 -V OUT 4700uF/100V4700uF/100V4700uF/100V -97V -V OUT GND GND +V OUT GND GND +V OUT CHA +97V CHB +97V C
C
CN307
N
SW2 115V/230V
AC IN CN304 115V/230V INPUT 50Hz/60Hz
SW1
POWER
L
CHB -97V CHA -97V
FU1
CN306
NTC2
NTC1
CN305
B
15A/250V
-t NTC60
-t NTC60
RELAY301
JQX-14FW
J46a-2/Power
PGND Title Size A4 Date: File: 7-Oct-2003 E:\efile\J\J46aPow.sch Sheet of Drawn By:
A
J16a/J26a/J36a/J46a.Sch
Number Revision 2 3 4
A
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CN1 6P2.5SCN +LD24V J2 LED4A AO J1A 15mm R2A 4K7/0.5W J3 10mm 100U/50V 1 2 3 4 5 6 7 8 CD2A 4u7/25V CN2 8P2.5SCN LDGND R3A 47K LED2A A-SIGN 100U/50V LED2B R3B B-SIGN 47K CD2B 4u7/25V VD1A 1N4148 CD1A CD1B VD2A 1N4148 R1A 470K R1B 470K J1B 15mm R2B 4K7/0.5W VD2B 1N4148 BO A-PROT BRI/B PAR/B B-PROT B-CLIP LED2 LED1 LED4B LED3B 1 2 3 LED3A 6mm J1 6mm
R1
4K7
J46a-3/Led
CN3 3P2.5XH
D
1 2 3 4 5 6
LED1A A-Power A-CLIP
D
LED1B B-Power
VD1B 1N4148
LDGND
A-H
AGND VR-ACH1 SH16K5
BGND VR-BCH1 SH16K5
C
C
+15V
R178(278) 27K
Q350-1(CHA)/Amp
FAN R188 U102B NE5532 D119 7 5 R183 220K 1N4148 T131 A940 T130 C1815 R184 1K R186 10K C125 103 GND FAN CN104 2 1 CN104 2 1 + FAN101 DC24V/0.2A B U102A NE5532 1 1N4148 10K D118 R181 6 R185 10K R187 2K2 47K +24V
VR105 4K7
NTC102
-15V
3
B
-t NT104 NTC103
2
-t NT104
R179 4K7
R180 10K
J46a-1(CHB)/Amp
Title Size A4 Date: File: 2 3 7-Oct-2003 E:\efile\J\J46aLed.sch Sheet of Drawn By: 4 Number
A
CHB THE SAME AS CHA
J16a/J26a/J36a/J46a.Sch
Revision
A
1