Alto PBM8.250 MKII User manual

www.altoproaudio.com
Version 1.0
MODEL: PBM8.250 MKII
PBM8.500 MKII

CONTENT
1. Introduction…………………………………………………………………….1
2. Specification…………………………………………………………………...2
3. Block Diagram…………………………………………………………………4
4. Schematic Diagram…………………………………………………………...5
5. Wiring Diagram……………………………………………………………….19
6. PCB Layout……………………………………………………………………20
7. Test Procedure…………………………………………………………….....36
8. Exploded View& Mechanical Parts List…………………………………37
9. BOM…………………………………………………………………………….40

MODEL NO:PBM8.250MKII
FEATURE:
2X250 Watts at 4 Ohms RMS EIAJ
One stereo and one mono graphic EQ
Digital effects with with 256 effects
Feedback locator on both MAIN and MONITOR output
8 XLR inputs with 48 Volt phantom power
One tape input channel assignable to MAIN or to CH9-10
Each channel has 3-band EQ, one monitor, one effect send, one line, and one XLR input
Two stereo channels
Stereo or Monitor/Main mode
RCA L/R tape in and L/R tape out
MODEL NO:PBM8.500MKII
FEATURE:
2X250 Watts at 4 Ohms RMS EIAJ
One stereo and one mono graphic EQ
Digital effects with with 256 effects
Feedback locator on both MAIN and MONITOR output
8 XLR inputs with 48 Volt phantom power
One tape input channel assignable to MAIN or to CH9-10
Each channel has 3-band EQ, one monitor, one effect send, one line, and one XLR input
Two stereo channels
Stereo or Monitor/Main mode
RCA L/R tape in and L/R tape out
1. Introduction

Mono input channels
Microphone input
Electronically balanced, discrete input configuration
Frequency response 10Hzto55kHz,+3dB
Distortion(THD&N) 0.006%at4dBu,1kHz
Gain 50dB(MIC)
SNR(Signal to Noise Ratio) >90dB
Line input Electronically balanced
Frequency response 10Hz to 55kHz, 3dB
Distortion (THD&N) 0.04% at 4dBu,1kHz
Gain 30dB
Stereo input channels
Line input Unbalanced
Frequency response 10Hz to 55kHz, 3dB
Distortion (THD&N) 0.006% at +4dBu, 1kHz
Impedances
Microphone input 1.4kOhm
Stereo return 2.5kOhm
All other inputs 10kOhm or greater
Tape out 1kOhm
All other output 120 Ohm
Equalization
Hi shelving +/- 15dB@12kHz
Mid bell +/- [email protected]
Low shelving +/- 15dB@80Hz
DSP Section
A/D and D/Aconverters 24 bit
DSP resolution 24 bit
Type of effects Hall, Room, Vocal & Plate REVERBS
Mono & Stereo DELAY (max DELAYTIME 650ms)
Chorus, Flanger & Reverb MODULATIONS
REVERB+DELAY, REVERB+CHORUS,
REVERB+FLANGER combinations
Presets 256
Controls 16-position PRESET Selector
16-position VARIATION selector
CLIP LED
MUTE SWITCH with LED indicator
2. Technical Specification

Main Mix Section
Noise (Bus noise) Fader 0dB, channels muted:85dBr (ref.: +4dBu)
Fader 0dB,all input channels assigned and set to
UNITY gain:71dBr (ref.: +4dBu)
Max output +27dBu balanced,
+22dBu unbalanced, 1/4" jacks
AUX Sends max out +22dBu
Power supply
Main voltage 100VAC~60Hz 230VAC~50Hz
120VAC~60Hz 240VAC~50Hz
Power Consumption
PBM8.250MKII Stereo mode: 250W@4ohm
190W@8ohm
Bridge mode: 500W@8ohm
300W@8ohm
Bridge mode: 1000W@8ohm
Fuse
PBM8.250MKII 100~120V:T6.3AL
210~240V:T3.15AL
PBM8.500MKII 100~120V:T10AL
210~240V:T6.3AL
Physical
Dimension(W × D × H) 550mm × 220mm × 310mm
(8.66" × 12.20" × 21.65")
Weight
PBM8.250MKII (Net): 14kg(30.86lb)
(Gross):15kg(33.07lb)
PBM8.500MKII (Net):15kg(33.07lb)
(Gross):16kg(35.27lb)

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A
A
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LEFT SPEAKON
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MONITOR MONITOR BRIDGE BRIDGE
3. Block Diagram

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

 












R1_9
180R



S1_1A
SW PS-22E85L-2



S1_1B
SW PS-22E85L-2
R1_8 560R
R1_10 6K8
C1_1 56P



U1_1A
NJM4580M
R1_1 B50K
R1_12
1K5
C1_2
2N2 C1_3
1N



U1_1B
NJM4580M
R1_2
B50K
R1_13
2K2
R1_14 10K
C1_5 3N3
C1_4
100P
R1_3
B50K
R1_15
2K2
R1_16
10K
R1_17
150K
C1_6 47N R1_18
10K
C1_7
10uF/25V
R1_7 B50K
R1_21
5K6
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U1_2B
NJM4580M
R1_24
4K7
C1_8
10P
R1_23
22K
C1_9
10P
R1_22
1K
C1_10
47uF/25V
R1_27
10K
R1_28
22K
R1_5
B50K
R1_26
22K
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R1_6 B50K
  
  
R1_19
10K
R1_25
22K
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U1_2C
NJM4580M
R1_4 B50K
R1_20
22K
       
C1_11
100N
C1_13
100N


U1_1C
NJM4580M
C1_12
100N
C1_14
100N
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2 (POST)
PAN POT
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R2_9
180R
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
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S2_1A
SW PS-22E85L-2
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S2_1B
SW PS-22E85L-2
R2_8 560R
R2_10 6K8
C2_1 56P
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U2_1A
NJM4580M
R2_1 B50K
R2_12
1K5
C2_2
2N2 C2_3
1N
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U2_1B
NJM4580M
R2_2
B50K
R2_13
2K2
R2_14 10K
C2_5 3N3
C2_4
100P
R2_3
B50K
R2_15
2K2
R2_16
10K
R2_17
150K
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10K
C2_7
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R2_7 B50K
R2_21
5K6
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NJM4580M
R2_24
4K7
C2_8
10P
R2_23
22K
C2_9
10P
R2_22
1K
C2_10
47uF/25V
R2_27
10K
R2_28
22K
R2_5
B50K
R2_26
22K
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R2_19
10K
R2_25
22K
R2_4 B50K
R2_20
22K
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CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2 (POST)
PAN POT
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
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U2_2C
NJM4580M
C2_11
100N
C2_13
100N
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U2_1C
NJM4580M
C2_12
100N
C2_14
100N
R3_9
180R
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

S3_1A
SW PS-22E85L-2
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S3_1B
SW PS-22E85L-2
R3_8 560R
R3_10 6K8
C3_1 56P
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

U3_1A
NJM4580M
R3_1 B50K
R3_12
1K5
C3_2
2N2 C3_3
1N



U3_1B
NJM4580M
R3_2
B50K
R3_13
2K2
R3_14 10K
C3_5 3N3
C3_4
100P
R3_3
B50K
R3_15
2K2
R3_16
10K
R3_17
150K
C3_6 47N R3_18
10K
C3_7
10uF/25V
R3_7 B50K
R3_21
5K6
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
U3_2B
NJM4580M
R3_24
4K7
C3_8
10P
R3_23
22K
C3_9
10P
R3_22
1K
C3_10
47uF/25V
R3_27
10K
R3_28
22K
R3_5
B50K
R3_26
22K
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R3_6 B50K
  
  
R3_19
10K
R3_25
22K
R3_4 B50K
R3_20
22K
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PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2 (POST)
PAN POT
 


U3_2C
NJM4580M
C3_11
100N
C3_13
100N


U3_1C
NJM4580M
C3_12
100N
C3_14
100N


U4_2C
NJM4580M
R4_9
180R
C4_11
100N



S4_1A
SW PS-22E85L-2
C4_13
100N



S4_1B
SW PS-22E85L-2


U4_1C
NJM4580M
C4_12
100N
C4_14
100N
R4_8 560R
R4_10 6K8
C4_1 56P



U4_1A
NJM4580M
R4_1 B50K
R4_12
1K5
C4_2
2N2 C4_3
1N



U4_1B
NJM4580M
R4_2
B50K
R4_13
2K2
R4_14 10K
C4_5 3N3
C4_4
100P
R4_3
B50K
R4_15
2K2
R4_16
10K
R4_17
150K
C4_6 47N R4_18
10K
C4_7
10uF/25V
R4_7 B50K
R4_21
5K6



U4_2B
NJM4580M
R4_24
4K7
C4_8
10P
R4_23
22K
C4_9
10P
R4_22
1K
C4_10
47uF/25V
R4_27
10K
R4_28
22K
R4_5
B50K
R4_26
22K
         
R4_6 B50K
  
  
R4_19
10K
R4_25
22K
R4_4 B50K
R4_20
22K
       
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2 (POST)
PAN POT
 
R5_9
180R



S5_1A
SW PS-22E85L-2



S5_1B
SW PS-22E85L-2
R5_8 560R
R5_10 6K8
C5_1 56P



U5_1A
NJM4580M
R5_1 B50K
R5_12
1K5
C5_2
2N2 C5_3
1N



U5_1B
NJM4580M
R5_2
B50K
R5_13
2K2
R5_14 10K
C5_5 3N3
C5_4
100P
R5_3
B50K
R5_15
2K2
R5_16
10K
R5_17
150K
C5_6 47N R5_18
10K
C5_7
10uF/25V
R5_7 B50K
R5_21
5K6



U5_2B
NJM4580M
R5_24
4K7
C5_8
10P
R5_23
22K
C5_9
10P
R5_22
1K
C5_10
47uF/25V
R5_27
10K
R5_28
22K
R5_5
B50K
R5_26
22K
         
R5_6 B50K
  
  
R5_19
10K
R5_25
22K
R5_4 B50K
R5_20
22K
       
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2 (POST)
PAN POT
 


U5_2C
NJM4580M
C5_11
100N
C5_13
100N


U5_1C
NJM4580M
C5_12
100N
C5_14
100N
R6_9
180R



S6_1A
SW PS-22E85L-2



S6_1B
SW PS-22E85L-2
R6_8
560R
R6_10 6K8
C6_1 56P



U6_1A
NJM4580M
R6_1
B50K
R6_12
1K5
C6_2
2N2 C6_3
1N



U6_1B
NJM4580M
R6_2
B50K
R6_13
2K2
R6_14 10K
C6_5 3N3
C6_4
100P
R6_3
B50K
R6_15
2K2
R6_16
10K
R6_17
150K
C6_6 47N R6_18
10K
C6_7
10uF/25V
R6_7
B50K
R6_21
5K6



U6_2B
NJM4580M
R6_24
4K7
C6_8
10P
R6_23
22K
C6_9
10P
R6_22
1K
C6_10
47uF/25V
R6_27
10K
R6_28
22K
R6_5
B50K
R6_26
22K
         
R6_6 B50K
  
  
R6_19
10K
R6_25
22K
R6_4
B50K
R6_20
22K
       
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2 (POST)
PAN POT
 


U6_2C
NJM4580M
C6_11
100N
C6_13
100N


U6_1C
NJM4580M
C6_12
100N
C6_14
100N
R7_9
8K2
R7_10 68K
C7_1 22P



U7_1A
NJM4580M
R7_1A
B50K
R7_12
1K5
C7_2
2N2 C7_3
1N



U7_1B
NJM4580M
R7_2A
B50K
R7_13
2K2
R7_14 10K
C7_5 3N3
C7_4
100P
R7_3A
B50K
R7_15
2K2
R7_16
10K
R7_17
150K
C7_6 47N R7_18
10K
C7_7
10uF/25V
R7_7A
B50K
R7_21
5K6



U7_2A
NJM4580M
R7_24
4K7
C7_8
10P
R7_23
22K
C7_9
10P
R7_22
1K
C7_10
22uF/25V
R7_5A
B50K
R7_26
22K
         
R7_6A B50K
   
R7_27
22K
R7_4A
B50K
R7_20
22K
       
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2
(POST)
PAN POT
  



S7_1A
SW PS-22E85L-2


U7_2C
NJM4580M
C7_21
100N
C7_23
100N


U7_1C
NJM4580M
C7_22
100N
C7_24
100N
R7_32
8K2
R7_33 68K
C7_11 22P



U7_3A
NJM4580M
R7_1B
B50K
R7_35
1K5
C7_12
2N2 C7_13
1N



U7_3B
NJM4580M
R7_2B
B50K
R7_36
2K2
R7_37 10K
C7_15 3N3
C7_14
100P
R7_3B
B50K
R7_38
2K2
R7_39
10K
R7_40
150K
C7_16 47N R7_41
10K
C7_17
10uF/25V
R7_7B
B50K
R7_44
5K6



U7_2B
NJM4580M
R7_47
4K7
C7_18
10P
R7_46
22K
C7_19
10P
R7_45
1K
C7_20
10uF/25V
R7_5B
B50K
R7_49
22K
         
R7_6B B50K
  
R7_28
22K
R7_4B
B50K
R7_43
22K
       
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2
(POST)
PAN POT
  



S7_1B
SW PS-22E85L-2
R8_9
8K2
R8_10 68K
C8_1 22P



U8_1A
NJM4580M
R8_1A
B50K
R8_12
1K5
C8_2
2N2 C8_3
1N



U8_1B
NJM4580M
R8_2A
B50K
R8_13
2K2
R8_14 10K
C8_5 3N3
C8_4
100P
R8_3A
B50K
R8_15
2K2
R8_16
10K
R8_17
150K
C8_6 47N R8_18
10K
C8_7
10uF/25V
R8_7A
B50K
R8_21
5K6



U8_2A
NJM4580M
R8_24
4K7
C8_8
10P
R8_23
22K
C8_9
10P
R8_22
1K
C8_10
22uF/25V
R8_5A
B50K
R8_26
22K
         
R8_6A B50K
  
R8_27
22K
R8_4A
B50K
R8_20
22K
       
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2
(POST)
PAN POT
  



S8_1A
SW PS-22E85L-2


U8_2C
NJM4580M
C8_21
100N


U8_1C
NJM4580M
C8_22
100N


U7_3C
NJM4580M
R8_32
8K2
R8_33 68K
C8_11 22P



U8_3A
NJM4580M
R8_1B
B50K
R8_35
1K5
C8_12
2N2 C8_13
1N



U8_3B
NJM4580M



R8_2B
B50K
R8_36
2K2
R8_37 10K
C8_15 3N3
C8_14
100P
R8_3B
B50K
R8_38
2K2
R8_39
10K
R8_40
150K
C8_16 47N R8_41
10K
C8_17
10uF/25V
R8_7B
B50K
R8_44
5K6



U8_2B
NJM4580M
R8_47
4K7
C8_18
10P
R8_46
22K
C8_19
10P
R8_45
1K
C8_20
10uF/25V
R8_5B
B50K
R8_49
22K
         
R8_6B B50K
  
R8_28
22K
R8_4B
B50K
R8_43
22K
         
PAD -20dB HIGH
CH MID
CH LOW
LEVEL
MON AUX1 PRE
DSP/FX AUX2
(POST)
PAN POT
  



S8_1B
SW PS-22E85L-2


U8_3C
NJM4580M
PBM8(1/4)
MAIN9
MAIN9.Sch
MONITOR9
MONITOR9.Sch
DSP_POWER
DSP_POWER.Sch
C8_23
100N
C8_24
100N



U1_2A
NJM4580M



U2_2A
NJM4580M



U3_2A
NJM4580M



U4_2A
NJM4580M



U5_2A
NJM4580M



U6_2A
NJM4580M

 


 












50Hz FREQUENCY BAND



UF6A
NJM4580M



UF6B NJM4580M
CF10_1
220N RF10_1
22K
RF10_2
5K6
CF10_2
220N
RF10_3 22K
RF10_4
22K
RF10_6
100R 1/8W
RF10_5 18K
         
         
RF10_13
100R 1/8W
         
CF10_3
220N
RF10_8
22K
RF10_9 5K6
RF10_10
22K
RF10_11
22K
CF10_4
220N
RF10_12
18K
         
         
GND MAIN LED1
         
100Hz FREQUENCY BAND



UF7A
NJM4580M



UF7B NJM4580M
CF11_1
220N RF11_1
22K
RF11_2
1K2
CF11_2
220N
RF11_3 22K
RF11_4
22K
RF11_6
100R 1/8W
RF11_5 18K
         
         
RF11_13
100R 1/8W
         
CF11_3
220N
RF11_8
22K
RF11_9
1K2
RF11_10
22K
RF11_11
22K
CF11_4
220N
RF11_12
18K
         
         
GND MAIN LED1
         
250Hz FREQUENCY BAND



UF8A
NJM4580M



UF8B
NJM4580M
CF12_1
33N RF12_1
56K
RF12_2
3K3
CF12_2
33N
RF12_3
56K
RF12_4
56K
RF12_6
100R 1/8W
RF12_5
18K
         
         
RF12_13
100R 1/8W
         
CF12_3
33N
RF12_8
56K
RF12_9
3K3
RF12_10
56K
RF12_11
56K
CF12_4
33N
RF12_12
18K
         
         
GND MAIN LED1
         
500Hz FREQUENCY BAND



UF9A
NJM4580M



UF9B
NJM4580M
CF13_1
33N RF13_1
27K
RF13_2
1K8
CF13_2
33N
RF13_3
27K
RF13_4
27K
RF13_6
100R 1/8W
RF13_5
18K
         
         
RF13_13
100R 1/8W
         
CF13_3
33N
RF13_8
27K
RF13_9
1K8
RF13_10
27K
RF13_11
27K
CF13_4
33N
RF13_12
18K
         
         
GND MAIN LED1
         
1KHz FREQUENCY BAND



UF10A
NJM4580M



UF10B NJM4580M
CF14_1 10N RF14_1
47K
RF14_2
2K7
CF14_2 10N
RF14_3 47K
RF14_4
47K
RF14_6
100R 1/8W
RF14_5 18K
         
         
RF14_13
100R 1/8W
         
CF14_3
10N
RF14_8
47K
RF14_9 2K7
RF14_10
47K
RF14_11
47K
CF14_4 10N
RF14_12
18K
         
         
GND MAIN LED1
         
2.5KHz FREQUENCY BAND



UF11A
NJM4580M



UF11B
NJM4580M
CF15_1
10N RF15_1
18K
RF15_2
1K
CF15_2
10N
RF15_3 18K
RF15_4
18K
RF15_6
100R 1/8W
RF15_5 18K
         
         
RF15_13
100R 1/8W
         
CF15_3
10N
RF15_8
18K
RF15_9 1K
RF15_10
18K
RF15_11
18K
CF15_4
10N
RF15_12
18K
         
         
GND MAIN LED1
         
5KHz FREQUENCY BAND



UF12A
NJM4580M



UF12B
NJM4580M
CF16_1
1N RF16_1
100K
RF16_2
5K6
CF16_2
1N
RF16_3 100K
RF16_4
100K
RF16_6
100R 1/8W
RF16_5 18K
         
         
RF16_13
100R 1/8W
         
CF16_3
1N
RF16_8
100K
RF16_9
5K6
RF16_10
100K
RF16_11
100K
CF16_4
1N
RF16_12
18K
         
         
GND MAIN LED1
         
8KHz FREQUENCY BAND



UF13A
NJM4580M



UF13B
NJM4580M
CF17_1
1N RF17_1
56K
RF17_2
3K3
CF17_2
1N
RF17_3
56K
RF17_4
56K
RF17_6
100R 1/8W
RF17_5
18K
         
         
RF17_13
100R 1/8W
         
CF17_3
1N
RF17_8
56K
RF17_9
3K3
RF17_10
56K
RF17_11
56K
CF17_4
1N
RF17_12
18K
         
         
GND MAIN LED1
         
16KHz FREQUENCY BAND



UF14A
NJM4580M



UF14B
NJM4580M
CF18_1
1N RF18_1
27K
RF18_2
2K2
CF18_2
1N
RF18_3
27K
RF18_4
27K
RF18_6
100R 1/8W
RF18_5
18K
         
         
RF18_13
100R 1/8W
         
CF18_3
1N
RF18_8
27K
RF18_9
2K2
RF18_10
27K
RF18_11
27K
CF18_4
1N
RF18_12
18K
         
         
GND MAIN LED1
         
R36 33K
C14 22P



U4A
NJM4580M
   
C15
47uF/25V
        
R43 33K
C18 22P



U4B
NJM4580M
   
C19
47uF/25V
        
R38A
B50K*2
R37
680R
R39
8K2
R40 2K7



U5A
NJM4580M



U5B
NJM4580M
R41 20K
C16 22P
    
    
          
R38B
B50K*2
R44
680R
R45
8K2
R46 2K7
R47 20K
C20 22P
         
MAIN LEVEL
MAIN LEVEL
0dBu@200ROTATIOM
+4dBu@270ROTATIOM
R58
22K
C26
22P



U13A
NJM4580M
        
R60 39K
C27 10P



U13B
NJM4580M
R57
5K6
R59 6K8
         
R61
22K
         



U14A
NJM4580M
R62
5K6
C28
220P
          
R63 6K8
R64 39K
C29 10P



U14B
NJM4580M
         
R66
22K
C30
22P



U15A
NJM4580M
        
R68 39K
C31 10P



U15B
NJM4580M
R65
5K6
R67 6K8
        
R69
22K
         



U16A
NJM4580M
R70
5K6
C32
220P
         
R71 6K8
R72 39K
C33 10P



U16B
NJM4580M
        



S3A SW PS-22E85L-3



S3B SW PS-22E85L-3
GND MAIN LED1
MAIN FEEDBACK
TERMI NATOR
PBM8(2/4)
RF10_7A
W100K
RF10_7B
W100K
RF11_7A
W100K
RF11_7B
W100K



RF12_7A
W100K
RF12_7B
W100K
RF13_7A
W100K
RF13_7B
W100K
RF14_7A
W100K
RF14_7B
W100K
RF15_7A
W100K
RF15_7B
W100K
RF16_7A
W100K
RF16_7B
W100K
RF17_7A
W100K
RF17_7B
W100K
RF18_7A
W100K
RF18_7B
W100K
RF10_7C
W100K
RF15_7C
W100K
RF11_7C
W100K
RF16_7C
W100K
RF12_7C
W100K
RF17_7C
W100K
RF13_7C
W100K
RF18_7C
W100K
RF14_7C
W100K


U14C
NJM4580M
 



U4C
NJM4580M


U13C
NJM4580M


U15C
NJM4580M


U16C
NJM4580M
C63
100N
C62
100N


UF6C
NJM4580M


UF7C
NJM4580M


UF8C
NJM4580M


UF9C
NJM4580M


UF10C
NJM4580M


UF11C
NJM4580M


UF12C
NJM4580M


UF13C
NJM4580M


UF14C
NJM4580M
 



U5C
NJM4580M

 


 












l
100Hz FREQUENCY BAND



UF1B NJM4580M
CF2_1
220N
RF2_1
22K
RF2_2
1K2
CF2_2
220N
RF2_3 22K
RF2_4 22K
RF2_6
100R 1/8W
RF2_5 18K
          
          
           
50Hz FREQUENCY BAND



UF1A NJM4580M
CF1_1
220N
RF1_1
22K
RF1_2 5K6
CF1_2
220N
RF1_3 22K
RF1_4 22K
RF1_6
100R 1/8W
RF1_5 18K
          
          
           
250Hz FREQUENCY BAND



UF2A
NJM4580M
CF3_1
33N
RF3_1
56K
RF3_2
3K3
CF3_2
33N
RF3_3 56K
RF3_4 56K
RF3_6
100R 1/8W
RF3_5 18K
          
          
           
500Hz FREQUENCY BAND



UF2B
NJM4580M
CF4_1
33N
RF4_1
27K
RF4_2
1K8
CF4_2
33N
RF4_3 27K
RF4_4 27K
RF4_6
100R 1/8W
RF4_5 18K
           
           
           
1KHz FREQUENCY BAND



UF3A NJM4580M
CF5_1 10N
RF5_1
47K
RF5_2
2K7
CF5_2 10N
RF5_3 47K
RF5_4 47K
RF5_6
100R 1/8W
RF5_5 18K
           
           
           
2.5Hz FREQUENCY BAND



UF3B NJM4580M
CF6_1
10N
RF6_1
18K
RF6_2
1K
CF6_2
10N
RF6_3 18K
RF6_4 18K
RF6_6
100R 1/8W
RF6_5 18K
           
           
           
5KHz FREQUENCY BAND



UF4A NJM4580M
CF7_1
1N
RF7_1
100K
RF7_2
5K6
CF7_2
1N
RF7_3 100K
RF7_4 100K
RF7_6
100R 1/8W
RF7_5 18K
          
          
           
8KHz FREQUENCY BAND



UF4B
NJM4580M
CF8_1
1N
RF8_1
56K
RF8_2
3K3
CF8_2
1N
RF8_3 56K
RF8_4 56K
RF8_6
100R 1/8W
RF8_5 18K
          
          
           
16KHz FREQUENCY BAND



UF5A
NJM4580M
CF9_1
1N
RF9_1
27K
RF9_2
2K2
CF9_2
1N
RF9_3 27K
RF9_4 27K
RF9_6
100R 1/8W
RF9_5 18K
          
          
           
R25 68K
C7 22P



U2A
NJM4580M
        
C8 10uF/25V
          



U6A
NJM4580M



U6B
NJM4580M
R50 22K
C22
22P
R49 5K6
R51 6K8
R52 39K
C23
10P
          
R53 22K



U7A
NJM4580M



U7B
NJM4580M
R54 5K6
C24
22P
R55 6K8
R56 39K
C25
10P
           
            
R28
8K2
R29 2K7



U3B
NJM4580M
R30 33K
C9 22P
      
            
MONITOR LEVEL
R27
B50K
R32 33K
C11 22P



U2B
NJM4580M
R34 56K
C12 22P



U3A
NJM4580M
C13
47uF/25V
R33
5K6
     



S2A SW PS-22E85L-3



S2B SW PS-22E85L-3
GND MAIN LED
PUSH 2C_2P SWITCH
PUSH 2C_2P SWITCH
MONITOR FEEDBACK
TERMI NATOR
R73 22K



U9A
NJM4580M



U9B
NJM4580M
C34
10uF/25V
R75 1M
D2 1N4148
R74 100K
R76 1K
R77
1K
R94 680R
D3 GREEN LED
D4 GREEN LED
D5
YELLOWLED
D6
RED LED
3mm
3mm
3mm 3mm
30dB 10dB 0dB 10dB
R95 180R
MONITOR VMETER
      
PBM8(3/4)
R78 22K



U10B
NJM4580M



U10A
NJM4580M
C35
10uF/25V
R80 1M
D7 1N4148
R79 100K
R81 1K
R82 1K
R83 680R
D8 GREEN LED
D9 GREEN LED
D10
YELLOWLED
D11
RED LED
3mm
3mm
3mm 3mm
30dB 10dB 0dB 10dB
R84 180R
LEFT VMETER
    
R85 22K



U11B
NJM4580M



U11A
NJM4580M
C36
10uF/25V
R87 1M
D12 1N4148
R86 100K
R88 1K
R89 1K
R90 680R
D13 GREEN LED
D14 GREEN LED
D15
YELLOWLED
D16
RED LED
3mm
3mm
3mm 3mm
30dB 10dB 0dB 10dB
R91 180R
RIGHT VMETER
    

U10C
NJM4580M

U11C
NJM4580M
R92 22R 1/8W
R93 22R 1/8W
   
      
     

U9C
NJM4580M
      
     
RF1_7A W100K
RF1_7B W100K
RF1_7C W100K
RF2_7A W100K
RF2_7B W100K
RF2_7C W100K
RF3_7A
W100K
RF3_7B
W100K
RF3_7C
W100K
RF4_7A
W100K
RF4_7B
W100K
RF4_7C
W100K
RF5_7A W100K
RF5_7B W100K
RF5_7C W100K
RF6_7A W100K
RF6_7B W100K
RF6_7C W100K
RF7_7A W100K
RF7_7B W100K
RF7_7C W100K
RF8_7A
W100K
RF8_7B
W100K
RF8_7C
W100K
RF9_7A
W100K
RF9_7B
W100K
RF9_7C
W100K
           


U2C
NJM4580M
 



U6C
NJM4580M


U7C
NJM4580M
C64 100N
C65 100N


UF1C
NJM4580M


UF2C
NJM4580M


UF3C
NJM4580M


UF4C
NJM4580M


UF5C
NJM4580M
 

           


U3C
NJM4580M
 

C67
100N
C66
100N
C69
100N
C68
100N



UF5B
NJM4580M
           
  !  

 


 















U1B
NJM4580M



U1A
NJM4580M
C2
22P
R10
10K
R97
20K
   
      
R11
10K
C3
22P
R99
10K



U17B
NJM4580M



U17A
NJM4580M
C5
22P
R12
10K
R98
20K
      
   
R24
10K
C6
22P
R18
10K
C4
10uF/25V






R13A B50K*2
R14 56K
R15 12K
C37
10uF/25V
R96 1K
R19 1K
   



R13B B50K*2
R16 56K
R17 12K
   
C38
10uF/25V R21
56K
R22 12K
         
R20 B50K
DSP TO MAIN
DSP TO MAIN
DSP TO MONITOR
R1 4K7 1/4W




 
SW2
BINARY 4BIT ENCODER




 
SW1
BINARY 4BIT ENCODER
1 2 4 8
1 2 4 8
PRESET VARIATION
 
DIGTAL EFFECT HIBRID
PIN1 CONN
 





 
 
 
J1 HEADER 8X2
 
 
 
DIGTAL EFFECT HIBRID
D1 3mm RED LED
C1
1uF/50V
 

PEAK DFX
 



S1A
SW PS-22E85L-2



S1B
SW PS-22E85L-2
R23 220R
      !
DSP MUTE
 



J2 CON3
POWER SUPPLY CONNECTOR
C40
100nF/100V




D17
BRIDGE 1.5A 200V
C41
1000uF/35V
C42
1000uF/35V
R31 0R


   
C43
33uF/100V




D18 BRIDGE 1.5A 200V
C44
33uF/100V
C48
100uF/100V
C49
100uF/100V
C45
100N
C46
100N
D19 1N4004
C47
220uF/35V
D20 1N4004

R111 3K9 1/2W
D21 3mm GREEN LED
 

OPERATING
U12
LM317T
 

R104 220R
R103 2K7
R102 180K C55
10uF/25V
C54
100N
U18
LM337T


R107
220R
R106
2K7 C57
10uF/25V
C56
100N
U19
LM317T

R110
220R
R109
820R C59
470uF/16V
C58
100N
R108
82R 5W
U8 LM317T
R101 220R
R100 8K2
R48 220R
C52
47uF/63V
C50
100N
D22 1N4148
R42
220R1/2W
R35
220R1/2W
C51
2.2uF/100V
 "    
C53
100nF/100V
PBM8(4/4)





 
 
J4 HEADER 7X2
      !
    
      
   
    
 "    
  
   
   
   





 
 
J3 HEADER 7X2
" 
" 
" 
"  
"  
" 
" 
" 
"  
"  












P1 CON12
 
 
 
 
      
      
     #
 
      !
 

R5 680R
R4
680R
R3
680R
R2 680R R9
680R
R8
680R
R7
680R
R6 680R


U1C
NJM4580M
 



U17C
NJM4580M
C60
100N
C61
100N
      #
C39 4.7uF/63V
  
   
   
   
R112
220K
C71
100uF/50V

 
D23 1N4148
R113
100K
D24 1N4148
D25 1N4148
TR1 J176
TR2 J176
D27
1N4148
C70
1000uF/6.3V
 
MUTE DSP POWER ON
MUTE POWER OFF

1234567 8
A
B
C D
8
7
6
5
4
3
2
1
D
C
B
A
2
1
3
4
J1_1
XLR FEMALE
CH1 INPUT
C1_1
47uF/63V
R1_4
2K2
R1_1
6K8
R1_2
10K
R1_3
6K8
+PHANTOM
C1_2
47uF/63V
R1_5
2K2
3c
5e
1a
4d
2b
J1_2
90STEREO JACK
R1_6
22K
C1_4
10uF/25V
R1_8
2K2
R1_7
22K C1_3
10uF/25V R1_9
2K2
2
1
3
S1_1A
SWITCH 2C_2P
R1_12
2K2
INPUT/WIRELESS
3
2
1
U1A
NJM4580M
8
4
U1C
NJM4580M
-17V
+17V
5
4
6
S1_1B
R1_13
22K
C1_7
10uF/25V
1
2
J1_3
HEADER2
R1_10
10K
C1_5
56P
R1_11 10K
C1_6 56P
R1_14
1K
CH1
2
1
3
4
J2_1
XLR FEMALE
CH2 INPUT
C2_1
47uF/63V
R2_4
2K2
R2_1
6K8
R2_2
10K
R2_3
6K8
+PHANTOM
C2_2
47uF/63V
R2_5
2K2
3c
5e
1a
4d
2b
J2_2
90STEREO JACK
R2_6
22K
C2_4
10uF/25V
R2_8
2K2
R2_7
22K C2_3
10uF/25V R2_9
2K2
2
1
3
S2_1A
SWITCH 2C_2P
R2_12
2K2
INPUT/WIRELESS
5
4
6
S2_1B
R2_13
22K
C2_7
10uF/25V
1
2
J2_3
HEADER2
R2_10
10K
C2_5
56P
R2_11 10K
C2_6 56P
R2_14
1K
CH2
2
1
3
4
J3_1
XLR FEMALE
CH3 INPUT
C3_1
47uF/63V
R3_4
2K2
R3_1
6K8
R3_2
10K
R3_3
6K8
+PHANTOM
C3_2
47uF/63V
R3_5
2K2
3c
5e
1a
4d
2b
J3_2
90STEREO JACK
R3_6
22K
C3_4
10uF/25V
R3_8
2K2
R3_7
22K C3_3
10uF/25V R3_9
2K2
3
2
1
U2A
NJM4580M
8
4
U2C
NJM4580M
R3_10
10K
C3_5
56P
R3_11 10K
C3_6 56P
R3_14
1K
CH3
CH1 LINE
CH2 LINE
5
6
7
U1B
NJM4580M
CH3 LINE
C1_8
100n
C1_9
100n
C3_7
100n
C3_8
100n
2
1
3
4
J4_1
XLR FEMALE
CH4 INPUT
C4_1
47uF/63V
R4_4
2K2
R4_1
6K8
R4_2
10K
R4_3
6K8
+PHANTOM
C4_2
47uF/63V
R4_5
2K2
3c
5e
1a
4d
2b
J4_2
90STEREO JACK
R4_6
22K
C4_4
10uF/25V
R4_8
2K2
R4_7
22K C4_3
10uF/25V R4_9
2K2
R4_10
10K
C4_5
56P
R4_11 10K
C4_6 56P
R4_12
1K
CH4
2
1
3
4
J5_1
XLR FEMALE
CH5 INPUT
C5_1
47uF/63V
R5_4
2K2
R5_1
6K8
R5_2
10K
R5_3
6K8
+PHANTOM
C5_2
47uF/63V
R5_5
2K2
3c
5e
1a
4d
2b
J5_2
90STEREO JACK
R5_6
22K
C5_4
10uF/25V
R5_8
2K2
R5_7
22K C5_3
10uF/25V R5_9
2K2
C5_5
56P
R5_11 10K
C5_6 56P
R5_10
10K
R5_12
1K
CH5
2
1
3
4
J6_1
XLR FEMALE
CH6 INPUT
C6_1
47uF/63V
R6_4
2K2
R6_1
6K8
R6_2
10K
R6_3
6K8
+PHANTOM
C6_2
47uF/63V
R6_5
2K2
3c
5e
1a
4d
2b
J6_2
90STEREO JACK
R6_6
22K
C6_4
10uF/25V
R6_8
2K2
R6_7
22K C6_3
10uF/25V R6_9
2K2
8
4
U3C
NJM4580M
R6_10
10K
C6_5
56P
R6_11 10K
C6_6 56P
R6_12
1K
CH6
CH4 LINE
CH5 LINE
CH6 LINE
5
6
7
U2B
NJM4580M
3
2
1
U3A
NJM4580M
5
6
7
U3B
NJM4580M
C5_7
100n
C5_8
100n
2
1
3
4
J7_1
XLR FEMALE
R7_1 6K8
R7_2 6K8
R7_3
10K
R7_4
1K
+PHANTOM
C7_1
47uF/63V
R7_5
1K
C7_2
47uF/63V
CH7_8 MIC INPUT
3
2
1
U4A
NJM4580M
R7_6 12K
C7_4 56P
R7_7 12K
C7_3 56P
C7_5
10uF/25V
3c
5e
1a
4d
2b
J7_3
90STEREO JACK
R7_8
18K
C7_6 10uF/25V
CH7/8(L)
3c
5e
1a
4d
2b
J7_2
90STEREO JACK
CH7/8(R)
R7_10
18K
C7_8 10uF/25V
CH7_L
CH7_R
OUTPUT LEVEL 0 dBU @ -10dBU
WITH -40 dBU GAIN
THE STEREO CH.R & CH.L IS NOT GOOD
LINK TO MAIN BUS R/L.. PLEASE CHECK IT !!
2
1
3
4
J8_1
XLR FEMALE
R8_1 6K8
R8_2 6K8
R8_3
10K
R8_4
1K
+PHANTOM
C8_1
47uF/63V
R8_5
1K
C8_2
47uF/63V
CH9_10 MIC INPUT
R8_6 12K
C8_4 56P
R8_7 12K
C8_3 56P
C8_5
10uF/25V
3c
5e
1a
4d
2b
J8_3
90STEREO JACK
R8_8
18K
C8_6
10uF/25V
CH9/10(L)
3c
5e
1a
4d
2b
J8_2
90STEREO JACK
CH9/10(R)
R8_10
18K
C8_8 10uF/25V
CH8_L
CH8_R
OUTPUT LEVEL +4dBU @ -10dBU
WITH -60dBU GAIN
5
6
7
U4B
NJM4580M
C7_9 100n
C7_10
100n
8
4
U4C
NJM4580M
CH1
CH4
CH2
CH3
CH6
CH5
CH7_R
CH7_L
CH8_R
CH8_L
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J11
HEADER 7X2
C1_10
47uF/25V
C2_10
47uF/25V
C3_10
47uF/25V
C4_10
47uF/25V
C6_10
47uF/25V
C5_10
47uF/25V
PBM8 IN_OUT_REV03.S01

1234567 8
A
B
C D
8
7
6
5
4
3
2
1
D
C
B
A
3c
5e
1a
4d
2b
J1
90STEREO JACK
FOOT SW. R1
220R
FOOT_SW
3c
5e
1a
4d
2b
J3
90STEREO JACK
STEREO R3
27K
RTN_L
R2 27K
RTN_R
C1 10uF/25V
C2 10uF/25V
3
2
1
U5A
NJM4580M
C3 22P
R5 10K
R4 10K
C5
22uF/25V
R38 5K6
R6 10K
R7 10K
L_BUS
R_BUS
RETURN
R43 10K
5
6
7
U5B
NJM4580M
R8 10K
C4 22P
C6
22uF/25V
R9
10K
S4A
SWITCH 2C_3P
S4B
L_BUS
AMP_L
R_BUS
AMP_R
1
2
3 J9
HEADER3
AMPLIFIER
CONNECTOR
AUX1_TO_AMP
2
1
3
S2A
SWITCH 2C_2P
+PHANTOM
PHANTOM
5
4
6 S2B
PHANTOM
48V
FOOT_SW
-17V
L_TAPE_IN
R_TAPE_IN
PHANTOM
+17V
RTN_R
RTN_L
C26 10uF/25V
L_BUS
C27 10uF/25V
R_BUS
C8
10uF/25V 5
4
6
S3B
R13 10K
R_TAPE_IN
R14 150K
CH8_R
C7
10uF/25V
R11 10K
L_TAPE_IN
R12 150K
CH8_L
2
1
3
S3A
SWITCH 2C_2P
3
2
1
U8A
NJM4580M
R41 10K
R40 5K6
C19
56P
R39
10K
C18
10uF25V
R_BUS
R42
100R 1/4W
R46
10K
R45 5K6
C21
56P
R44
10K
C20
10uF25V
L_BUS
R47
100R 1/4W
3c
5e
1a
4d
2b
J8
90STEREO JACK
5
6
7
U8B
NJM4580M
8
4
U8C
NJM4580M
HEADPHONES
R48
22R 1/2W
+17V_HEAD
C22
47uF/25V
C23
100n
R49
22R 1/2W
-17V_HEAD
C24
47uF/25V C25
100n
TAPE IN
-10dBV DUAL RCA STEREO CONNECTOR
3
2
1
U6A
NJM4580M
R15
5K6
L_BUS
R17
6K8
R16 10K
C9 22P
R19
100R 1/4W
R18 10K
R20 10K
5
6
7
U6B
NJM4580M
R21 10K
C10 22P
R22
100R 1/4W
C11
47uF/35V R23
10K C12
47uF/35V
R24 10K
3c
5e
1a
4d
2b
J6
90STEREO JACK
2
1
3
4
J20
XLR FEMALE
LEFF OUT
(BALANCED)
LEFT OUT
(OPTIONAL)
3
2
1
U7A
NJM4580M
R25
5K6
R_BUS
R26
6K8
R27 10K
C13 22P
R29
100R 1/4W
R28 10K
R30 10K
5
6
7
U7B
NJM4580M
R31 10K
C14 22P
R32
100R 1/4W
C15
47uF/35V R33
10K C16
47uF/35V
R34 10K
3c
5e
1a
4d
2b
J7
90STEREO JACK
2
1
3
4
J21
XLR FEMALE
RIGHT OUT
(BALANCED)
RIGHT OUT
(OPTIONAL)
3c
5e
1a
4d
2b
J2
90STEREO JACK
DSP_FX_AUX2 POST_BUS
DSP/FX AUX2
OUT
3c
5e
1a
4d
2b
J5
90STEREO JACK
MONITOR
OUT
C17
10uF/25V
R35
10K
AUX1_TO_AMP
R37
2K2
R36
2K2
R_BUS
L_BUS
C28 100n
C29 100n
R10
10K
TAPE TO
CONNECTORS
OUTPUTS
8
4
U6C
NJM4580M
8
4
U7C
NJM4580M
14
25
3
6
J4
RCA4-SCP687
8
4
U5C
NJM4580M
-17V
+17V
DSP_FX_AUX2 POST_BUS
MON_AUX1 PRE_BUS
MON_AUX1 PRE_BUS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
J10
HEADER 7X2
R50
470R 1/2W
C30
470uF/50V

A
A
B
B
C
C
D
D
4 4 3 3 2 2 1 1
GND
1
CV 5
TR
2
Q
3
R
4THR 6
DIS 7
VCC 8
PIN
1
PIN
2
PIN
3
1 2
1 2
1 2
3 2
1
8 4
1 2
1 2
1 2
5 6
7
8 4
PIN 4 PIN 5
PIN 6
5 67
8 4
1 2
1 2
1 2
1 21 21 2
1 2
3 21
8 4
PIN
8
PIN 7
12
1 2
1 2
1 212
12
3 2
1
84
5 6
7
84
12
12
12
12
12
1 2
12
1 2
12
PIN
9
12
12
12
12
PIN
10
PIN
11
PIN
12
12
12
12
1 2
1 2 1 2
1 2 1 2
1 2 1 2
1 2 1 2
1 21 2
1 21 2
1 21 2
12
1 2
12
1212
1
3
2
1
3
2
1 2 56
98 1110 1312
3 41 2
J14
CLK 12
K13
Q
10
Q
9
PR 11
CL
15
J2
CLK 4
K3
Q
6
Q
7
PR 5
CL
1
12
1 2

1 2 34
A B C D
4
321
D
C B A
1+
1-
2+
2-
SPK1
SPEAKON
J1 L+ J2 L-
1+
1-
2+
2-
SPK2
SPEAKON
J3 R+ J4 R-
3c 5e 1a
4d 2b
X2
JY-6351G-02-250
3c 5e 1a
4d 2b
X1
JY-6351G-02-250

1 2 34
A B C D
4
321
D
C B A
1 2 3
J2
HEADER 3 C1
470uF/50V
U1
LM317T
12 R1
3K3
R2 47R
C2
100nF/50 cer
C3
10uF/63
+24V
FAN
R3
NTC 100R
(1.5A 200V)
12V 12V
C4
470uF/35V
C5
470uF/35V
12 R5
0R
12
R4 3K3
D2
3mm GREEN LED
POWER ON LED
C6 10uF/50 1
2 3
J3 CON3
1 2 3 4 5 6 7 8 910
J1
HEADER 5X2
CH1 INSERT OUTCH1 INSERT IN CH2 INSERT OUTCH2 INSERT IN
GND1 GND1
+15V-15V
GNDF GNDF GND1
PBM8 PBM8AMP-CH1.SCH PBM8 PBM8AMP-CH2.SCH
+15V
-15V
D1 W2-04
C? 1uF/50V
( R1/3K3 )背焊在 並接的位置

12345678
A B C D
8
7654321
D
C B A
C1_16 4700uF/100V
R1_13 22R 2W R1_23
0.1R 3W
Q1_7
D1_6
1N4148
+73V_A
D1_15 1N4004
GND1
SA1943
Q1_1
MJE15032
R1_21
500R 3W
C1_13
22nF/100V poly
C1_11 3.3nF/50 cer
C1_12
3.3nF/50 cer
R1_17
4R7
R1_18
4R7 GND1
D1_19 1N4148
Q1_2
MJE15033
D1_10
1N4148
Q1_8
R1_14 22R 2W R1_24
0.1R 3W
GND1
-73V_A
D1_17 1N4004
D1_11
1N4937
D1_12
1N4937
C1_9
2.2nF/50 cer
C1_10
22nF/50 cer
D1_13
ZD5V6 1/2W
R1_9 820R
R1_11 1K5 3W
R1_10 820R
R1_12 1K5 3W
D1_14
ZD5V6 1/2W
D1_7 1N4148
Vic+
D1_3
ZD15V1.3W C1_8
220uF/25V
GND1
R1_32 100R
GND1
Vic-
C1_5
56pF/50 cer
R1_3
10K
C1_7
27pF/50 cer
R1_6
12K SPEAKERS BUS
R1_5
330R
C1_6
47uF/16NP
GND1
R1_30
4K7
R1_31
4K7
GND1
CH1 GAIN
C1_27
47uF/25V
D1_8
ZD15V1.3W
C1_4
220uF/25V
GND1
C1_25
C1_26
47uF/25V
C1_3
100pF/50 cer
C1_23
10uF/50V
GND1
C1_24
R1_8
NTC 50R
R1_16
TRIMMER 100R
3 21
U1_1A NJM4580L
5 67
U1_1B
NJM4580L
84
U1_1C
NJM4580L
Vic+
Vic-
1 2 3
R1_29
3P-2.5
3 21
U2A
NJM4580L
R1_42
4K7 1/8W
R1_41 4K7 1/8W
D1_9 W2-04
GND1
R1_25 47R
41
2 3
U1_2
VTL5C2
GND1
(FTR VT90N1 VACTEC+)
GND1
CH1 INSERT OUT
CH1 INSERT IN
1 2 3 4 5 6 7 8 910 11 12 13 14
J4
HEADER 7X2
GND1 GND1
L1_1
2uH 10A
R1_26 5R6 2W
R1_22 10R 3W
C1_2 100nF/250V poly
GND1
CH1 OUTPUT
1+ 1-
GND1
TO
SPEAKON PCB
R1_36 120K C1_1
47uF/100V
D1_2
1N4004
R1_39 PTC 65R
CH1 PHOTO COUPLER
-15V
+15V
GND1
R1_37
12K
(1.5A 200V)
(1.5A 200V)
C1_15 4700uF/100V
R1_7 330R R1_4 330R
11A
6A 6A
C1_14 3.3nF/100 poly
R1_15 150R
0.2A
0.2A
84
U2C
NJM4580L
+15V
-15V
D1_18
3mm RED LED
CH1_LIM_SW1 CH1_LIM_SW2
D1_21
3mm YELLOW LED
1 2
J1_6 CON2
R1_27 0R0
R1_1 R1_2 10K R1_28
10K
CH1 IN+ CH1 IN-
CH1 IN+ CH1 IN-
CH2 IN+ CH2 IN-
CH1 BRIDGE SWITCH CH2 BRIDGE CH1_LIM_SW1 CH1_LIM_SW2
CH2_LIM_SW1 CH2_LIM_SW2
CH1 BRIDGE SWITCH
Pout=418W RMS @ 4 Ohm
D1_16 3mm GREEN LED
Vic-
Vic+
R1_33
3K3 1/2W
OPERATING LED
OUTPUT_1 OUTPUT1
F1_1 5A F1_2 5A
OUTPUT_1
R1_34 47K R1_38 12K
100R
10K
D1_5 ZD15V1.3W
D1_4
5mm RED LED
GND1
GND1
+73V_A
-73V_A
R1_35 100K
R1_40 6K8
Q1_6 MPSA42
Q1_5 MPSA92
Vic+ Vic-
GND1
CLIP
1 2 3
J1_4 CN-PCB6.3
1 2 3
J1_5 CN-PCB6.3
D1_20 W2-04
1 2 3
J1_7
CN-PCB6.3
1 2 3
J1_8
CN-PCB6.3
1 2 3
J1_9
CN-PCB6.3
1 2 3
J1_10
CN-PCB6.3
V+
V-
AC1
GND
1 2
J1_11 CON2
1 2
J2_11 CON2
GND1
CH1 IN+ CH2 IN+
for PBM8
1 2 3
J1_3
D1_1 KUB8J(8A)
OUTPUT_1
SC5200
(FOR PBM8.250=4A) (FOR PBM8.250=4A)
VARIED 2005/07/28 VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28

12345678
A B C D
8
7654321
D
C B A
C2_16 4700uF/100V
R2_13 22R 2W R2_23
0.1R 3W
Q2_7
D2_6
1N4148
+73V_B
D2_15 1N4004
GND1
SA1943
Q2_1
MJE15032
R2_21
500R 3W
C2_13
22nF/100V poly
C2_11 3.3nF/50 cer
C2_12
3.3nF/50 cer
R2_17
4R7
R2_18
4R7 GND1
D2_19 1N4148
Q2_2
MJE15033
D2_10
1N4148
Q2_8
R2_14 22R 2W R2_24
0.1R 3W
GND1
-73V_B
D2_17 1N4004
D2_11
1N4937
D2_12
1N4937
C2_9
2.2nF/50 cer
C2_10
22nF/50 cer
D2_13
ZD5V6 1/2W
R2_9 820R
R2_11 1K5 3W
R2_10 820R
R2_12 1K5 3W
D2_14
ZD5V6 1/2W
D2_7 1N4148
Vic2+
D2_3
ZD15V1.3W C2_8
220uF/25V
GND1
D2_20 W2-04
R2_32 100R
GND1
Vic2-
C2_5
56pF/50 cer
R2_3
10K
C2_7
27pF/50 cer
R2_6
12K SPEAKERS BUS
R2_5
330R
C2_6
47uF/16NP
GND1
R2_30
4K7
R2_31
4K7
GND1
CH1 GAIN
C2_27
47uF/25V
D2_8
ZD15V1.3W
C2_4
220uF/25V
GND1
C2_25
C2_26
47uF/25V
C2_3
100pF/50 cer
C2_23
10uF/50V
GND1
C2_24
R2_8
NTC 50R
R2_16
TRIMMER 100R
3 21
U2_1A NJM4580L
5 67
U2_1B
NJM4580L
1 2 3
R2_29
3P-2.5
5 67
U2B
NJM4580L
R2_42
4K7 1/8W
R2_41 4K7 1/8W
D2_9 W2-04
GND1
R2_25 47R
41
2 3
U2_2
VTL5C2
GND1
(FTR VT90N1 VACTEC+)
GND1
CH2 INSERT OUT
CH2 INSERT IN
L2_1 2uH 10A
R2_26 5R6 2W
R2_22 10R 3W
C2_2 100nF/250V poly
GND1
CH1 OUTPUT
1+ 1-
GND1
TO
SPEAKON PCB
R2_36 120K C2_1
47uF/100V
D2_2
1N4004
R2_39 PTC 65R
CH1 PHOTO COUPLER
-15V
+15V
GND1 (1.5A 200V)
(1.5A 200V)
C2_15 4700uF/100V
R2_7 330R R2_4 330R
11A
6A 6A
C2_14 3.3nF/100 poly
R2_15 150R
0.2A
0.2A
D2_18
3mm RED LED
CH2_LIM_SW1 CH2_LIM_SW2
D2_21
3mm YELLOW LED
1 2
J2_6 CON2
R2_27 0R0
R2_1 R2_2 10K R2_28
10K
CH2 IN+ CH2 IN-
CH2 BRIDGE
Pout=418W RMS @ 4 Ohm
D2_16 3mm GREEN LED
Vic2-
Vic2+
R2_33
3K3 1/2W
OPERATING LED
OUTPUT_2 OUTPUT2
F2_1 5A F2_2 5A
OUTPUT_2
R2_34 47K R2_38 12K
100R
10K
D2_5 ZD15V1.3W
D2_4
5mm RED LED
GND1
GND1
+73V_B
-73V_B
R2_35 100K
R2_40 6K8
Q2_6 MPSA42
Q2_5 MPSA92
Vic2+ Vic2-
GND1
CLIP
84
U2_1C
NJM4580L
Vic2+
Vic2-
1 2 3
J2_4 CN-PCB6.3
1 2 3
J2_5 CN-PCB6.3
1 2 3
J2_7
CN-PCB6.3
1 2 3
J2_8
CN-PCB6.3
1 2 3
J2_9
CN-PCB6.3
1 2 3
J2_10
CN-PCB6.3
V+
V-
AC1
GND
1 2 3
J2_3
D2_1 KUB8J(8A)
OUTPUT_2
SC5200
(FOR PBM8.250=4A) (FOR PBM8.250=4A)
VARIED 2005/07/28 VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28

12345678
A B C D
8
7654321
D
C B A
C1_16 4700uF/160V
R1_13 22R 2W R1_19
0.1R 3W R1_23
0.1R 3W
Q1_7
D1_6
1N4148
+73V_A
D1_15 1N4004
GND1
2xSA1943
Q1_1
MJE15032
R1_21
500R 3W
C1_13
22nF/100V poly
C1_11 3.3nF/50 cer
C1_12
3.3nF/50 cer
R1_17
4R7
R1_18
4R7 GND1
D1_19 1N4148
Q1_2
MJE15033
D1_10
1N4148
Q1_4 Q1_8
R1_14 22R 2W R1_20
0.1R 3W R1_24
0.1R 3W
GND1
-73V_A
D1_17 1N4004
D1_11
1N4937
D1_12
1N4937
C1_9
2.2nF/50 cer
C1_10
22nF/50 cer
D1_13
ZD5V6 1/2W
R1_9 820R
R1_11 2K2 3W
R1_10 820R
R1_12 2K2 3W
D1_14
ZD5V6 1/2W
D1_7 1N4148
Vic+
D1_3
ZD15V1.3W C1_8
220uF/25V
GND1
R1_32 100R
GND1
Vic-
C1_5
56pF/50 cer
R1_3
10K
C1_7
27pF/50 cer
R1_6
12K SPEAKERS BUS
R1_5
330R
C1_6
47uF/16NP
GND1
R1_30
4K7
R1_31
4K7
GND1
CH1 GAIN
C1_27
47uF/25V
D1_8
ZD15V1.3W
C1_4
220uF/25V
GND1
C1_25
C1_26
47uF/25V
C1_3
100pF/50 cer
C1_23
10uF/50V
GND1
C1_24
R1_8
NTC 50R
R1_16
TRIMMER 100R
3 21
U1_1A NJM4580L
5 67
U1_1B
NJM4580L
84
U1_1C
NJM4580L
Vic+
Vic-
Q1_3
1 2 3
R1_29
3P-2.5
3 21
U2A
NJM4580L
R1_42
4K7 1/8W
R1_41 4K7 1/8W
D1_9 W2-04
GND1
R1_25 47R
41
2 3
U1_2
VTL5C2
GND1
(FTR VT90N1 VACTEC+)
GND1
CH1 INSERT OUT
CH1 INSERT IN
1 2 3 4 5 6 7 8 910 11 12 13 14
J4
HEADER 7X2
GND1 GND1
L1_1
2uH 10A
R1_26 5R6 2W
R1_22 10R 3W
C1_2 100nF/250V poly
GND1
CH1 OUTPUT
1+ 1-
GND1
TO
SPEAKON PCB
R1_36 120K C1_1
47uF/100V
D1_2
1N4004
R1_39 PTC 65R
CH1 PHOTO COUPLER
-15V
+15V
GND1
R1_37
12K
(1.5A 200V)
(1.5A 200V)
C1_15 4700uF/160V
R1_7 330R R1_4 330R
11A
6A 6A
C1_14 3.3nF/100 poly
R1_15 150R
0.2A
0.2A
84
U2C
NJM4580L
+15V
-15V
D1_18
3mm RED LED
CH1_LIM_SW1 CH1_LIM_SW2
D1_21
3mm YELLOW LED
1 2
J1_6 CON2
R1_27 0R0
R1_1 R1_2 10K R1_28
10K
CH1 IN+ CH1 IN-
CH1 IN+ CH1 IN-
CH2 IN+ CH2 IN-
CH1 BRIDGE SWITCH CH2 BRIDGE CH1_LIM_SW1 CH1_LIM_SW2
CH2_LIM_SW1 CH2_LIM_SW2
CH1 BRIDGE SWITCH
Pout=418W RMS @ 4 Ohm
D1_16 3mm GREEN LED
Vic-
Vic+
R1_33
3K3 1/2W
OPERATING LED
OUTPUT_1 OUTPUT1
F1_1 5A F1_2 5A
OUTPUT_1
R1_34 47K R1_38 10K
100R
10K
D1_5 ZD15V1.3W
D1_4
5mm RED LED
GND1
GND1
+73V_A
-73V_A
R1_35 100K
R1_40 6K8
Q1_6 MPSA42
Q1_5 MPSA92
Vic+ Vic-
GND1
CLIP
1 2 3
J1_4 CN-PCB6.3
1 2 3
J1_5 CN-PCB6.3
D1_20 W2-04
1 2 3
J1_7
CN-PCB6.3
1 2 3
J1_8
CN-PCB6.3
1 2 3
J1_9
CN-PCB6.3
1 2 3
J1_10
CN-PCB6.3
V+
V-
AC1
GND
1 2
J1_11 CON2
1 2
J2_11 CON2
GND1
CH1 IN+ CH2 IN+
for PBM8
1 2 3
J1_3
D1_1 KUB8J(8A)
OUTPUT_1
2xSC5200
(FOR PBM8.250=4A) (FOR PBM8.250=4A)
VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28 VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28

12345678
A B C D
8
7654321
D
C B A
C2_16 4700uF/160V
R2_13 22R 2W R2_19
0.1R 3W R2_23
0.1R 3W
Q2_7
D2_6
1N4148
+73V_B
D2_15 1N4004
GND1
2xSA1943
Q2_1
MJE15032
R2_21
500R 3W
C2_13
22nF/100V poly
C2_11 3.3nF/50 cer
C2_12
3.3nF/50 cer
R2_17
4R7
R2_18
4R7 GND1
D2_19 1N4148
Q2_2
MJE15033
D2_10
1N4148
Q2_4 Q2_8
R2_14 22R 2W R2_20
0.1R 3W R2_24
0.1R 3W
GND1
-73V_B
D2_17 1N4004
D2_11
1N4937
D2_12
1N4937
C2_9
2.2nF/50 cer
C2_10
22nF/50 cer
D2_13
ZD5V6 1/2W
R2_9 820R
R2_11 2K2 3W
R2_10 820R
R2_12 2K2 3W
D2_14
ZD5V6 1/2W
D2_7 1N4148
Vic2+
D2_3
ZD15V1.3W C2_8
220uF/25V
GND1
D2_20 W2-04
R2_32 100R
GND1
Vic2-
C2_5
56pF/50 cer
R2_3
10K
C2_7
27pF/50 cer
R2_6
12K SPEAKERS BUS
R2_5
330R
C2_6
47uF/16NP
GND1
R2_30
4K7
R2_31
4K7
GND1
CH1 GAIN
C2_27
47uF/25V
D2_8
ZD15V1.3W
C2_4
220uF/25V
GND1
C2_25
C2_26
47uF/25V
C2_3
100pF/50 cer
C2_23
10uF/50V
GND1
C2_24
R2_8
NTC 50R
R2_16
TRIMMER 100R
3 21
U2_1A NJM4580L
5 67
U2_1B
NJM4580L
Q2_3
1 2 3
R2_29
3P-2.5
5 67
U2B
NJM4580L
R2_42
4K7 1/8W
R2_41 4K7 1/8W
D2_9 W2-04
GND1
R2_25 47R
41
2 3
U2_2
VTL5C2
GND1
(FTR VT90N1 VACTEC+)
GND1
CH2 INSERT OUT
CH2 INSERT IN
L2_1 2uH 10A
R2_26 5R6 2W
R2_22 10R 3W
C2_2 100nF/250V poly
GND1
CH1 OUTPUT
1+ 1-
GND1
TO
SPEAKON PCB
R2_36 120K C2_1
47uF/100V
D2_2
1N4004
R2_39 PTC 65R
CH1 PHOTO COUPLER
-15V
+15V
GND1 (1.5A 200V)
(1.5A 200V)
C2_15 4700uF/160V
R2_7 330R R2_4 330R
11A
6A 6A
C2_14 3.3nF/100 poly
R2_15 150R
0.2A
0.2A
D2_18
3mm RED LED
CH2_LIM_SW1 CH2_LIM_SW2
D2_21
3mm YELLOW LED
1 2
J2_6 CON2
R2_27 0R0
R2_1 R2_2 10K R2_28
10K
CH2 IN+ CH2 IN-
CH2 BRIDGE
Pout=418W RMS @ 4 Ohm
D2_16 3mm GREEN LED
Vic2-
Vic2+
R2_33
3K3 1/2W
OPERATING LED
OUTPUT_2 OUTPUT2
F2_1 5A F2_2 5A
OUTPUT_2
R2_34 47K R2_38 10K
100R
10K
D2_5 ZD15V1.3W
D2_4
5mm RED LED
GND1
GND1
+73V_B
-73V_B
R2_35 100K
R2_40 6K8
Q2_6 MPSA42
Q2_5 MPSA92
Vic2+ Vic2-
GND1
CLIP
84
U2_1C
NJM4580L
Vic2+
Vic2-
1 2 3
J2_4 CN-PCB6.3
1 2 3
J2_5 CN-PCB6.3
1 2 3
J2_7
CN-PCB6.3
1 2 3
J2_8
CN-PCB6.3
1 2 3
J2_9
CN-PCB6.3
1 2 3
J2_10
CN-PCB6.3
V+
V-
AC1
GND
1 2 3
J2_3
D2_1 KUB8J(8A)
OUTPUT_2
2xSC5200
(FOR PBM8.250=4A) (FOR PBM8.250=4A)
VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28 VARIED 2005/07/28
VARIED 2005/07/28
VARIED 2005/07/28