Text preview for : Biema Q400 (Schematic).pdf part of Biema Q400 Schematic for the power amplifier Biema Q400.
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1 2 3 4 5 6
CLIP
R?
A-CLIP
T122 2N5401
R169 1K Q-(CHB)/Amp
T123
56K
C1815 CHB THE SAME AS CHA
R170 220K
D D
D121
15V/1W +15V GND C126 +63V
R192 R191 100uF/100V
+15V CHA +63V
820/5W 820/5W
R120 R126 R127 R132 C114
15K 101/1KV RB6 RB7 RB8 RB9 RB10
C130 3K3 3K3 100/1W 2.2/0.5W 2.2/0.5W 2.2/0.5W 2.2/0.5W 2.2/0.5W
100n/100V R168 T105 T104 T110~T114/C3263(C5200)
C128 15K A1837 GND D109
470uF/25V GND D101 C112 A1837 1N4004
1N4148 T108 T110 T111 T112 T113 T114
C113 C4793 C3519 C3519 C3519 C3519 C3519
T101 T102 22P 22P D106 C120 R138 R154 R140 R155 R141 R156 R142 R157 R143 R158 R144
R136 1K
GND C108 A42 A42 100n/100V
47/1W 2K 2K 2K 2K 2K
CHA IN NTC101 1N4148 0.5/5W 0.5/5W 0.5/5W 0.5/5W 0.5/5W
10uF/35V -t
T107 L101
NTC-103 D667
R121 C111 C116 T120
R128 R129 D669 R153
5K6 221 R133 OUT1
T121 4.7/1W
C R125 100 100 47uF/25V R159 C
24K GND 10K/1W VR103 B647 20K C119
VR102 501 104
103 D108 R165 R152
R137 20K R139 R160 R145 R161 R146 R162 R147 R163 R148 R164 R149 10/5W
R124
10K 220 47/1W 2K 2K 2K 2K 2K
1N4148 100n/100V
T103 T106 C121 0.5/5W 0.5/5W 0.5/5W 0.5/5W 0.5/5W
R130 A42 D104 T109 D110
1N4148 C4793 A1837 T115 T116 T117 T118 T119 GND
R122 47K 1N4004
C110 A1386 A1386 A1386 A1386 A1386
5K6 10u/25V GND T115~T119/A1294(A1943)
D103 R131 R134 R135 RB5 RB4 RB3 RB2 RB1
D102 GND 15V/0.5W 100
1N4148 15K 100 C115 2.2/0.5W 2.2/0.5W 2.2/0.5W 2.2/0.5W 2.2/0.5W
101/1KV
C127 CHA -63V
R150 24K
100uF/100V -63V
R123 D105 D107
15K C118 1N4148 1N4148
-15V
R194 R193 100uF/16V
-15V
B 820/5W 820/5W B
C219 R151 C117 4.7P/1KV HGND
D122 1K2
C131 15V/1W
100n/100V
COMP?
470uF/25V GND GND VPK01
R1a
51K
COMP1
R2a
680 R3a
R? 15K CD1a
100K C? 10UF/50V
0.1UF/270V R4a
680
+15V -15V GND GND
GND SW4 ADJ1a SW3
SW-6PV 501 SW-6PV
ON OFF
GND
A A
Title
BIEMA.Q400AMP.Sch
Size Number Revision
B
Date: 4-Sep-2007 Sheet of
File: D:\WF-PCB-SCH-\WF-PCB-SCH-.Ddb
Drawn By:
1 2 3 4 5 6
Text
1 2 3 4 5 6
No:PA-Led1.Sch
CN2
6P2.5 +LD24V
LED1 LED2 LED3 LED4 LED5 LED6
6
5
4
3
2
1
D D
LED-R LED-Y LED-G LED-G LED-Y LED-R
LDGND
CN4 CN1
A24V 2P2.5 2P2.5
9
8
7
6
5
4
3
2
1
VR-ACH1 VR-BCH1
2
1
1
2
SH16K5 SH16K5
AGND BGND CN3 LDGND
9P2.5
+15V
C C
CHA COMP
R178 R188
+15V +24V
27K(22K) VR105 -15V 47K
ADJ-472 U102A R187 R198
2 D119 2K2
R185 10K
NTC102 U102B 1 100/3W
6 D118 3
-15V 1N4148
-t 7
NTC-104 5 NJM4558D T131
1N4148 FAN101
NTC103 +15V
-15V
NJM4558D
-t 160K(22K) A940
R183 T130
+
NTC-104
C1815
R179 R180 R184 R186 D120 CN104 CN104
10K 1K 10K 1N4148 2 2
4K7
-
1 1
FAN-DC24V/0.2A
GND
B +15V B
CHB-COMP
R278 R288
+15V +24V
27K(22K) VR205 -15V 47K
ADJ-472 U202A R287 R298
2 D219 2K2
R285 10K
NTC202 U202B 1 100/3W
6 D218 3
-15V 1N4148
-t 7
NTC-104 5 NJM4558D T231
1N4148 FAN201
NTC203 +15V
-15V
NJM4558D
-t 160K(22K) T230 A940
R283 C1815
+
NTC-104
R279 R280 R284 R286 D220 CN105 CN105
10K 1K 10K 1N4148 2 2
4K7
-
1 1
FAN-DC24V/0.2A
GND
GND GND
A A
Title
PA-Fan.Sch
Size Number Revision
B
Date: 4-Jul-2005 Sheet of
File: E:\efile\PA \SCH\PA-Fan.Sch Drawn By:
1 2 3 4 5 6
1 2 3 4 5 6
+15V
U101A
C101 3 +15V
JK101 JK101 4u7/35V U101B 1
D CK100 1 1 R103 10K 5 NE5532 C105 2 -15V
+15V
D
R107 R108 4K7
2 2 7
3 3 R104 10K 6 NE5532
-15V
4K7
4u7/35V -15V C107 C132 C133 C134 C135
JACK6.35-6P XH-2P C102 4u7/35V R110 47P
LDR101B R109 10K 100nJ63V 100nJ63V
R101 R102 R105 C104 47K
CK101 10K 47P R111 47K 100nJ63V GND 100nJ63V
47K 47K
R106 LDR-150 C106 R114 1K R115 J-10mm
C103 47P C133
10K R112 15K R113 3K
100P 47uF/25V
XLR-3P/IN
GND CN101 1K CHA
1 R116
CHA OUT
2
3 R216 1K
CHB OUT
4
C201 +15V 5 U201B CHB
GND
JK102 JK102 4u7/35V U201A 6 5 NE5532
CK200 1 1 R202 10K 3 NE5532 C205 7
2 2 1 R207 XH-6P 6 SW101 GND
3 3 R203 10K 2 4K7 R208 4K7
4u7/35V ADJ-472<*1> 0.775V
C JACK6.35-6P XH-2P C202 4u7/35V R211 C207 47P C
-15V R209 10K VR201
R201 R202 R205 LDR201B 47K
C204
CK201 10K 47P R210 43K 26dB
47K 47K GND
R206 C206 R214 1K R215 J-10mm
C203 47P C233 LDR-150
10K R212 15K R213 3K
100P 47uF/25V 1.44V
XLR-3P/IN
GND SW-8P
C109 47P<*1>
TP100
R118 47K<*1>
JK103
PLUG6.3 1 -15V
2 U103B
CHA GND R117 R119
3 2 U103A 5
SPK100
47K<*1> 1 1K<*1> 7
XH-3P GND 3 6
A OUT R219
B NE5532 NE5532 B
A-CLIP 47K<*1>
+15V SW102
SPK-4P LIMITER
TP102 A-PROT
SW103 CN102 BRI
1
ON 2 GND
PLUG6.3 3
+24V
BGP100 4 STERE
5
BGP-2P 6
7
OFF 8
BGP200 PAR
SW-6P XH-8P SW-8P
BGP-2P
TP103 SW104 SW-6P
JK104 GND
B-PROT 6K8<*1>
PLUG6.3 1
SPK200 R190 R189 6K8<*1>
2
B-CLIP +VCC
3
B OUT XH-3P GND
A SPK-4P GND A
CHB GND
Title
TP104 GND
PA-InPut.Sch
Size Number Revision
PLUG6.3 B
Date: 4-Jul-2005 Sheet of
File: E:\efile\PA \SCH\PA-InPut.sch Drawn By:
1 2 3 4 5 6
1 2 3 4
D D
+150V +Ach TP8
FU4
PLUG6.3
TP9 10A250V
+Bch TP7
FU3
PLUG6.3
10A250V
PLUG6.3 TP10 TP5
PLUG6.3
CD6 CD8 CD7 CD5
4700uF/160V 4700uF/160V 4700uF/160V 4700uF/160V PLUG6.3
GND
CD2 CD4 CD3 CD1 TP4 TP6
4700uF/160V 4700uF/160V 4700uF/160V 4700uF/160V PLUG6.3
TP1 TP3
FU2 PLUG6.3
PLUG6.3
10A250V
PLUG6.3 -Ach TP2
C FU1 C
PLUG6.3
10A250V
-150V -Bch
PA5
PWA:D3X8mm
PA4 PA3 PA2 PA1
PWA:D3X8mm PWA:D3X8mm PWA:D3X8mm PWA:D3X8mm
B B
Title
A A
Size Number Revision
A4