1 2 3 4

+15V

+24V
D104 R137
4148 R126 220R R143 R123
R144 47R
H 47K H
1K 10K
D105 Q103
4148 A1015 C1815
R127 100R Q109 C134
Q105 A1015 Q114
R139 R149
C132 C136 C5198 D103
R133 101 R150 R137 3K 3 1K
Q102 Q110 Q106 4148 47u/25
1CH-In C1815 C1383
1K 47R 3R
10u/16 C1815
R125 C112
9K1 R132 R131 R155 R154
222 39R 39R 3K9 56K R151
0.1R/5W
Q113 R154
C1815 220R 1CH-Out
C135 R152
10u/16 R157
R135 R136 R156 R153 0.1R/5W
39R 39R 2K2 56K 5R6
R14
22K
Q107 C119
Q104 R141 Q111 R140 Q112 104
A1015 A1013 A1941
C137 47R 3R
C1815 A1015
R128 101 Q108
Q101 C1815
100R
G G
R147
R130 1K R146
D101 R129
220R 47R
4148 47K

D102 R142 -24V

4148
3K3 R148 10K
-15V C131
220u/25

+15V

+24V
D204 R237
4148 R226 220R R243 R223
R244 47R
47K 1K 10K
D205
4148 A1015 Q203
R227 100R Q209 D203 C234 C1815
Q205 A1015 Q214
R239 R249
C232 C236 C5198 3K3
R233 Q202 Q210 101 R250 Q206 R237 1K 4148 47u/25
2C H-In C1815 C1383
F 1K 47R 3R F
10u/16 C1815
R225 C212
9K1 R232 R231 R255 R254
222 39R 39R 3K 9 56K R251
0.1R/5W
Q213 R254
C1815 220R 2CH-Out
C235 R252
10u/16 R257
R235 R236 R256 R253 0.1R/5W
39R 39R 2K 2 56K 5R6
R224
22K
Q207 C219
Q204 R241 Q211 R240 Q212 104
A 1015 A1013 A1941
C237 47R 3R
C1815 A1015
R228 101 Q208
Q201 C1815
100R

R247
R230 1K R246
D201 R229
220R 47R
4148 47K

D202 R242 -24V

4148
3K3 R248 10K
E -15V E
C231
220u/25

+15V

+24V
D304 R337
R343 R323 10K
4148 R326 220R R344
47K 47R
1K
D305 Q303
4148 A1015 C1815
R327 100R Q309
Q305 R349 D303 C334
A1015 Q314 R339
+24V C332 C336 C5198
R333 Q302 Q310 101 R350 Q306 R337 47u/25
3CH-In 3K3 1K 4148
C1815 C1383
1K 47R 3R
10u/16 C1815
R325 C312
9K 1 R332 R331 R355 R354
222 39R 39R 3K9 56K R351
0.1R/5W
Q313 R354
C1815 220R 3CH-Out
C335 R352
10u/16 R357
R335 R336 R356 R353 0.1R/5W
D 39R 39R 2K2 56K 5R6 D
R324
22K
Q307 C319
Q304 R341 Q311 R340 Q312 104
A1015 A1013 A1941
C337 47R 3R
C1815 A1015
R328 101 Q308
Q301 C1815
100R

R347
R330 1K R346
D301 R329
220R 47R
4148 47K

D302 R342 -24V

4148
3K3 R348 10K
-15V C331
220u/25

+15V

+24V

C D404 R437 C
4148 R426 220R R443 R423
R444 47R
47K 1K 10K
D405 Q403
4148 A1015 C1815
R427 100R Q409
Q105 D403 C434
A1015 Q414 R449
R439
C432 C436 C5198
R133 101 R450 R437 3K 3 1K
Q402 Q410 Q406 47u/25
4CH-In C1815 C1383 4148
1K 47R 3R
10u/16 C1815
R425 C412
9K1 R432 R431 R455 R454
222 39R 39R 3K9 56K R451
0.1R/5W
Q413 R454
C1815 220R 4CH-Out
C435 R452
10u/16 R457
R435 R436 R456 R453 0.1R/5W
39R 39R 2K2 56K 5R6
R424
22K
Q407 C419
Q404 R441 Q411 R440 Q412 104
A1015 A1013 A1941
C437 47R 3R
C1815 A1015
R428 101 Q408
Q401 C1815
B 100R B

R447
R430 1K R446
D401 R429
220R 47R
4148 47K

D402 R442 -24V

4148
3K3 R448 10K
-15V C431
220u/25

Protect-O

R3
BIAS1
5K6
BIAS2
A A

Si ze
A3 HPB-604
Date: 29.11.2004 / 03.12.2004
File: HPB-604_A3.pdf sheet 1 of 3
1 2 3 4
 HPF
T O300HZ
40HZ
HPF
R218 2 7K
R219
C201 +15V
10u/50 100R C233104
R203 3 J R C 4558 G AIN C216
1 R205 TO
0.2V
4.8V 104
20K C205 R211 3
33P 2 U2A 100R VR8A 1 12 T L 074
R103 +15V 14
20K2 R208 5K1 VR6A
20K 3 J R C 4558 5 B50K 13 U9D
C101 -15V 1 7
10u/50 30K U4A U6B
R204 R104 2 6
33K 33K T L 074
R211 BO OS T
5 -15V 110R0dB T O 15dB R213 6K 8 L PF
J R C 4558 R207
7 R105 R2013 K3 VR7A 300HZ
L
T
40HZ
PF
O C209
U2B R206 C207
R201 C105 6 100R 1K 18K 1 20K 3 473 C502
33P C204 220P
100R 471 R222 3
R101 C203 331 1 R217 5 T L 074 HP
AV1 100R 33P 7 R503 R506
R209 R212 15K VR5A 27K U6B LP
AV*4P 6 OF F
R7 100K 1K 470K C 500K
C210 1
27k 56K
C H1 R215 SW1A R505
750R 183 S W3*8A 6
R8 100K 3 2 7 U5B 56K
C208 5
C H2 C501
220P VR8B 4
474
C206 C133 J R C 4558
R502 R3 2" R108 5 104 10 R118 R119 1" R504
J R C 4558 SW1B
27K 100K 30K U4B 7 8 100R 27K S W3*8A 27k
AV2 6 U6C
R2169 C116 3" 2"
104
-15V R215
AV*4P 20K 1K 240K T L 074 104 U9C
C506 2 R23 R111 3" 1" 10 4"
1 U5A 100K 5K1 VR6B 8
R513 3 R106 R101
3K3 9
R107 C107 B50K
1K 10u/50 J R C 4558 1K 18K 471
+15V T L 074
C1033 3P
R501
27k R109 C109
1K +15V 473
3 T L 074
1
2 U6A R1223" 1" R117 +15V
VR5B 3 T L 074
R111 15K 27K
1 CH1-Out
110R -15V C 500K U6A
R113 C110 2
VR7B 183
1" 20K 3" +15V
6K8 -15V
4C H 3 J R C 4558
C19 3C H 1
R49 2 U4A CH2-Out
R112 331 2C H
470K 1 SW2A 10K
S W3*8A -15V
R115 3 2
750R R56
C108 4 10K
474 R54
C106 U9D 1" SW2B 10k
104 12 S W3*8A
14 3" 2"
R115 13
R116
1K 240K 4" 5 J R C 4558
T L 074 7 4ch-out
R53 6 U4B
10K
R57
AV3 10K
AV*4P 3ch.sch R55
R27 10k
C H3 4C H
3ch-out
100R
R50 3C H
C H4 100R 1
2C H
SW2A
S W3*8A
3CH PRE-SYSTEM.SCH
3 2
4
4ch.sch
1" SW2B
S W3*8A
3" 2"
4"
4CH PRE-SYSTEM.SCH

S ize
A3 HPB-604
D ate: 29.11.2004 / 03.12.2004
File: HPB-604_A3.pdf sheet 2 of 3
4
 Q6 02
T IP41C
VCC
R611
5K 1 D602
I N4001

R610 R613 C605

5K 1 10K 10u/25
D603
Q603
Protect-I A 1015
R609 Q601 4148 Q606
REM-I C 1815
10k U13
R608 C 1815 KPC117
3K3 R612 R618 R619 D605
5K 6 1K 150k 4148 BIAS1
R615 R5 R620
5K1 5K1 BIAS2
1K
Q605 D607
C 1815 D606 C611
LED1 4148 R632
R614 G reen
39V /0.5W 10R 1/2W 103
DL1
C60410K C607 D604 R628 T1 F 12C 20C
104 220u/25 4148 T 36-24V-6T
100R
1 8
+24V R638
+15V
R630 220R /3W
100R IRF Z44N IRF Z44NIRF Z44N
D608 R633 C610
M601 M602 M603 22R 1/2W 2200u/35 D614
4148 R631
15V/1W
100R 2 7
3 6
C603 U1 Q19 R627
220R
10u/16 R629 A1015 D612 D610 C611 D615
1K C612 2200u/35 15V /1W
R616 R617 T L 494 102 R639
18K 10K R623 4148 39V/0.5W -15V
4 5 -24V 220R /3W
100R
D613 R624 R621 C613 DL2
+14.4V 4148 IRF Z44NIRF Z44N IRF Z44N
10R 1/2W
103
100R F 12C 20A
R626 M604 M605 M606
R606C608 R625
R605 Q607 R626 L1
1K 220R 100R 10uH FS1
R604 C602 102 A1015
TH1 4K7 R603 1K 10K R607 +14.4V
50K 47K 18K 30AX2
1u/50 D601 C610
C119 C120
C609
1000u/25 1000u/25 220u/16 104
LED2
R ed

Si ze
A3 HPB-604
Date: 29.11.2004 / 03.12.2004
File: HPB-604_A3.pdf sheet 3 of 3
4