Alto APM 120 Manuale utente

CONTENT

1. INTRODUCTION……………………………………………………………………………..1

2. TECHNICAL SPECIFICATION……………………………………………………………..3

3. BLOCK DIAGRAM……………………………………………………………....................5

4. SCHEMATIC DIAGRAM…………………………………………………………………….7

5. WIRING DIAGRAM………………………………………………………………………….11

6. PCB LAYOUT………………………………………………………………………………..13

7. TEST PROCEDURE………………………………………………………….....................19

8. EXPLODED VIEW & MECHANICAL PARTS LIST……………………………………..29

9. BOM…………………………………………………………………………………………..33

1. INTRODUCTION

APM120

- 8 MONO Inputs with gold plated XLR and balanced TRS JACK.

- GAIN and +48V Phantom power for mono/mic inputs.

- 2 Stereo Inputs with balanced TRS Jacks.

- Peak LED in each Channel.

- 3-band EQ with sweepable MID on mono inputs.

- 4-band EQ on stereo inputs

- 24-bit internal DSP with 256 effects, 16 preset by 16 variations.

With DSP mute switch and peak LED.

- Graphic Equalizer: 9 band (63, 125, 250, 500,1k, 2k, 4k, 8k, 16k Hz)

- BNC socket for connecting gooseneck lamps.

- Low cut filters-75Hz, 18dB/OCT on mono inputs.

- Low pass filter on mono output (80~120Hz).

- 4 AUX sends (AUX 1.2 pre/post, AUX 3.4 post).

- Foot switch digital effect on/off.

- Highly accurate 12 segment Bar graph Meters.

- Maximum Output Power: 500W+500W/4ohms. (1000 bridge/8ohms).

- Performance and excellent noise figures.

- Manufactured under ISO9001 certified management system.

APM160

- 12 MONO Inputs with gold plated XLR and balanced TRS JACK.

- GAIN and +48 Phantom power for mono/mic inputs.

- 2 Stereo Inputs with balanced TRS Jacks.

- Peak LED in each Channel.

- 3-band EQ with sweepable MID on mono inputs.

- 4-band EQ on stereo inputs.

- 24-bit internal DSP with 256 effects, 16 preset by 16 variations.

With DSP mute switch and peak LED.

- Graphic Equalizer: 9 band (63, 125, 250, 500, 1k, 2k, 4k, 8k, 16k Hz)

- BNC socket for connecting gooseneck lamps.

- Low cut filters-75Hz, 18dB/OCT on mono inputs.

- Low pass filter on mono output (80~120Hz).

- 4 AUX sends (AUX1, 2 pre/post, AUX3, 4 post)

- Foot switch digital effect on/off.

- Highly accurate 12 segment Bar graph Meters.

- Maximum Output Power: 750W+750W/4ohms. (1500W bridge/8ohms).

- Performance and excellent noise figures.

- Manufactured under ISO9001 certified management system.

Input

Input Impedance Mic 2kohm Balanced

Line 10kohm Balanced

Input Gain Mic Continuously variable from 0dB to +45dB

Input Gain Line-Mono Channel Continuously variable from -15dB to 30dB

Input gain Line-Stereo Channel Continuously variable from -20dB to +20dB

Maximum Input Level Mic +22dBu

Line (Mono Channel) +22dBu

Line (Stereo Channel) +22dBu

Insert send impedance 100ohm Unbalanced

Insert send level/Max -10dBu/+22dBu

Insert return impedance 10kohm Unbalanced

Insert return level /Max -10dBu/+22dBu

CMR at 1kHz Line(20Hz-20kHz) >80dB

Frequency response Mic to Mix 20Hz-20kHz +0/-1dB

Signal/Noise Ratio (20Hz-20kHz) Mic EIN ref. 150ohms-101dBu (gain+60dB)

System Noise (20Hz-20kHz)

Summing Noise -85dBu (16 channels routed with faders down)

Line to Mix Noise -83dBu (16channels routed at 0dB, pan centre)

Distortion at 1kHz Mic to Insert (+30dB unity gain, +20dBu output)<0.01%

Mic to Mix (+30dB unity gain, +20dBu output) Typ 0.03%)

Crosstalk at 1kHz channel to channel >-75dB

Mix to Mix >-78dB

Channel to Mix >-80dB

Fader Attenuation >100dB

Output (Nominal Signal Level Mic -60dBu to 0dBu –Line 0dBu)

Output Impedance All Line Outputs 100ohm Balanced

Insert send impedance 100ohm Unbalanced

Insert send level/Max. +22dBu

Insert return impedance 10kohm Unbalanced

Insert return level/Max. +22dBu

Maximum Output level Master Outputs on XLR +22dBu

All other Outputs on XLR +22dBu

All Outputs on 1/4 inch jacks +22dBu

headphones +22dBu/600ohm

Equalizer- Mono Channel

Treble -shelving +15/-15dB @12kHz

MID –peak/clip +15/-15dB – frequency range 100Hz~8kHz bandwidth 1 octave

Bass –shelving +15/-15dB @80Hz

Hi Pass Filter 18dB/oct @75Hz

Equalizer –Stereo Channel

Treble –shelving +15/-15dB @12kHz

Hi Mid –shelving +15/-15dB @3kHz

Lo Mid –shelving +15/-15dB @400Hz

Bass -shelving +15/-15dB @80Hz

A/D and D/A converters 24 bit

DSP resolution 24 bit

Hall, Room, Vocal & Plate REVERBS

Mono &Stereo DELAY (max DELAY TIME 650ms)

Chorus, Flanger & Reverb MODULATIONS

REVERB+DELAY, REVERB+CHORUS

Type of effects

REVERB+FLANGER combinations

Presets 256

16-position PRESET Selector

16-position VARIATION Selector

PEAK LED

DSP Section

Controls

MUTE SWITCH with LED indicator

Power AMP

Mode Stereo Bridged

APM120 2*500 Watts EIAJ (4ohms) 1*1000 Watts EIAJ (8ohms)

APM160 2*750 Watts EIAJ (4ohms) 1*1500 Watts EIAJ (8ohms)

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MONO INPUT CHANNELS ( 1-8)

MIC IN

+48V

4-BAND EQ 12K100Hz-8kHz80

HI PASS

LO CUT

LEFT-BUS

RIGHT-BUS

AUX-1

AUX-2

RIGHT-BUS

LEFT-BUS

AUX-2

AUX-1

STEREO INPUT CHANNELS (9-12)

LEFT-BUS

RIGHT-BUS

LEFT-BUS

RIGHT-BUS

RIGHT

2TK OUT

75Hz +/-15db

4-BAND EQ12K50080

+/-15db

LEFT

EQ(ON/OFF)

ST SUB IN (1-3)

PHANTOM

LINE IN

GAIN

POWER

LO (FREQ) HI

FADER LEVEL

PFL L

BALANCE

FADER LEVEL

LEFT(MONO)

RIGHT

MIC GAIN:0~60dB

LINE IN TRIM:+15dB~-45dB

PFL L / AFL L

PFL R / AFL R

INSERT

MID

LO M-H HIL-M

4-BAND EQ12K50080

+/-15db

JY 6351G 02 250

APM120 BLOCK DIAGRAM

LEVEL SET PEAK

POST

PRE

POST

PRE

AUX-3

AUX-4(EFFECT)

AUX-3

AUX-4

(-16~-60dB)

(+10~-34dB)

GAIN

(+10~-34dB)

LEVEL SET PEAK

AUX-2

AUX-1

POST

PRE

POST

PRE

AUX-3

AUX-4

PFL R

PFL L

PFL R

DSP BOARD

PRESETS

VARIATIONS

MUTE

DSP FOOTSWITCH

EFFECT RTN

SUM

9-BAND EQ

63Hz

12 Hz

250Hz

500Hz

1KHz

2KHz

4KHz

8KHz

6KHz

LEFT

RIGHT

LEFT

RIGHT

ST SUB OUT

ST OUT

ST SUB OUT

ST OUT

PEL

AFL

SUM

PFL

LPF

80-120Hz

12db oct

MONO OUT

AFL

AUX SEND1

AUX SEND2

AUX1

MAIN L

MONO BRIDGE

MONO

MAIN R

AUX SEND3

EFFECT SEND

PHONES

2TK IN

RIGHT

LEFT

2TK

LEVEL

PEL

AUX3

AUX4

INV

LEFT METER

RIGHT METER

PEL

PFL

AUX1

AUX2

MONO OUT

AUX3

AFL

LEFT

RIGHT

SIGNAL SELECT

POWER AMP

(ON / OFF)

SPEAKERS

AUX2

AUX1

AUX

AUX3

AUX4

PAN

AUX1

AUX2

AUX3

PEL

AUX1

AUX2

AUX3

PEL

PHONES

(FREQ)

P. AMP INSERT

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MONO INPUT CHANNELS ( 1-12)

MIC IN

+48V

4-BAND EQ 12K100Hz-8kHz80

HI PASS

LO CUT

LEFT-BUS

RIGHT-BUS

AUX-1

AUX-2

RIGHT-BUS

LEFT-BUS

AUX-2

AUX-1

STEREO INPUT CHANNELS (13-16)

LEFT-BUS

RIGHT-BUS

LEFT-BUS

RIGHT-BUS

RIGHT

2TK OUT

75Hz +/-15db

4-BAND EQ12K50080

+/-15db

LEFT

EQ(ON/OFF)

ST SUB IN (1-3)

PHANTOM

LINE IN

GAIN

POWER

LO (FREQ) HI

FADER LEVEL

PFL L

BALANCE

FADER LEVEL

LEFT(MONO)

RIGHT

MIC GAIN:0~60dB

LINE IN TRIM:+15dB~-45dB

PFL L / AFL L

PFL R / AFL R

INSERT

MID

LO M-H HIL-M

4-BAND EQ12K50080

+/-15db

JY 6351G 02 250

APM160 BLOCK DIAGRAM

LEVEL SET PEAK

POST

PRE

POST

PRE

AUX-3

AUX-4(EFFECT)

AUX-3

AUX-4

(-16~-60dB)

(+10~-34dB)

GAIN

(+10~-34dB)

LEVEL SET PEAK

AUX-2

AUX-1

POST

PRE

POST

PRE

AUX-3

AUX-4

PFL R

PFL L

PFL R

DSP BOARD

PRESETS

VARIATIONS

MUTE

DSP FOOTSWITCH

EFFECT RTN

SUM

9-BAND EQ

63Hz

125Hz

250Hz

500Hz

KHz

2KHz

4KHz

8KHz

16KHz

LEFT

RIGHT

LEFT

RIGHT

ST SUB OUT

ST OUT

ST SUB OUT

ST OUT

PEL

AFL

SUM

PFL

LPF

80-120Hz

12db oct

MONO OUT

AFL

AUX SEND1

AUX SEND2

AUX1

MAIN L

MONO BRIDGE

MONO

MAIN R

AUX SEND3

EFFECT SEND

PHONES

2TK IN

RIGHT

LEFT

2TK

LEVEL

PEL

AUX3

AUX4

INV

LEFT METER

RIGHT METER

PEL

PFL

AUX1

AUX2

MONO OUT

AUX3

AFL

LEFT

RIGHT

SIGNAL SELECT

POWER AMP

(ON / OFF)

SPEAKERS

AUX2

AUX1

AUX2

AUX3

AUX4

PAN

AUX1

AUX2

AUX3

PEL

AUX1

AUX2

AUX3

PEL

PHONES

(FREQ)

P. AMP INSERT

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APM MONO BOARD(1/1)

U2B

4580M

R69

62K R82

20K

C70

47uF/25V

C57

0.22u/50V

C58

0.22u/50V

C59

0.22u/50V

R77

6K8

SW1A

PS-22E85L

SW1B

PS-22E85L

LO CUT

JY-6351G-02-250

INSERT1

MIC GAIN -10~-60dB

LINE IN GAIN +10~-40dB

VR1

O10K

470P C13

22uF/35V

R25

11K0

LINE IN1

MIC 1 C21

47uF/50V R33

3K60

R17

6K81 1/4W

PH PWR

470P

R18

6K81 1/4W

C22

47uF/50V

C29

47P

R26

11K0 R34

3K60

C14

22uF/35V

R10

51K1

470P

SMC-6.02

R45

5K11

R46

5K11

C38

22P

C37

22P

R61

10K0

R41

27R

C33

1000u/10V

U1A

4580M R62

10K0 R47

5K11

C39

22P

R48

5K11

C40

22P

C69

47uF/25V

R81

20K

JY-6351G-02-250

U1B

4580M

U2A

4580M

47R

R73

1K3

RTN-CH1

4148 D3

4148

4148 D4

4148

+17V 17V

R90

22K

R94

68K

R98

6K8

TR2

3904

TR1

3904

R106

1K50 +17V

LD1

YEL

PGND

LEVEL SET

R145

17K4

AUX1

R214

5K1

U4A

4580M

VR6A

D10K

R219

12K

C41

22P

VR8

W50K

C74

47uF/25V

LEVEL

R139

27K

R140

27K

LEFT BUS

RIGHT BUS

PAN

AUX1

R150

5K1 A/PFL L

VR4

B50K

VR3

B50K

MID (FREQ=100Hz-8K)

C72

47uF/25V

C71

47uF/25V

VR2

B50K VR9

W50K

R146

17K4 AUX2

AUX2

SW2A

PS-22E85L

MUTE

R218

15K0

VR7

B5K

R226

2K7

R227

2K7

C73

47uF/25V

R210

47K0

R206

5K1

R99

6K8

TR4

3904

TR3

3904

R107

1K50

+17V

LD5

RED

PEAK

PGND

AUX SEND

AUX1

AUX2 AUX GND

AUX GND

SW3A

PS-22E85L

SW3B

PS-22E85L

SW4A

PS-22E85L

SW4B

PS-22E85L

R148

17K4

AUX3

VR10

W50K

AUX3 EXT

VR11

W50K

R149

17K4 AUX4 INT

AUX4

AUX GND

R151

5K1 A/PFL R

SW5A

PS-22E85L

U6B

4580M

R70

62K R84

20K

C76

47uF/25V

C60

0.22u/50V

C61

0.22u/50V

C62

0.22u/50V

R78

6K8

SW6A

PS-22E85L

SW6B

PS-22E85L

LO CUT

JY-6351G-02-250

INSERT2

MIC GAIN -10~-60dB

LINE IN GAIN +10~-40dB

VR12

O10K

470P C15

22uF/35V

R27

11K0

LINE IN2

MIC 2 C23

47uF/50V R35

3K60

R19

6K81 1/4W

PH PWR

470P

R20

6K81 1/4W

C24

47uF/50V

C30

47P

R28

11K0 R36

3K60

C16

22uF/35V

R12

51K1

R11

51K1

470P

SMC-6.02

R49

5K11

R50

5K11

C43

22P

C42

22P

R63

10K0

R42

27R

C34

1000u/10V

U5A

4580M R64

10K0 R51

5K11

C44

22P

R52

5K11

C45

22P

C75

47uF/25V

R83

20K

JY-6351G-02-250

U5B

4580M

U6A

4580M

47R

R74

1K3

RTN-CH2

4148 D7

4148

4148 D8

4148

+17V 17V

R91

22K

R95

68K

R100

6K8

TR6

3904

TR5

3904

R108

1K50 +17V

LD2

YEL

PGND

LEVEL SET

R158

17K4

AUX1

R215

5K1

U4B

4580M

VR17A

D10K

R221

12K

C46

22P

VR19

W50K

C80

47uF/25V

LEVEL

R152

27K

R153

27K

LEFT BUS

RIGHT BUS

PAN

AUX1

R163

5K1 A/PFL L

C78

47uF/25V

C77

47uF/25V

VR20

W50K

R160

17K4 AUX2

AUX2

SW7A

PS-22E85L

MUTE

R220

15K0

VR18

B5K

R228

2K7

R229

2K7

C79

47uF/25V

R211

47K0

R207

5K1

R101

6K8

TR8

3904

TR7

3904

R109

1K50

+17V

LD6

RED

PEAK

PGND

AUX SEND

AUX1

AUX2

AUX GND

SW8A

PS-22E85L

SW8B

PS-22E85L

SW9A

PS-22E85L

SW9B

PS-22E85L

R161

17K4

AUX3

VR21

W50K

AUX3 EXT

VR22

W50K

R162

17K4 AUX4 INT

AUX4

AUX GND

R164

5K1 A/PFL R

SW10A

PS-22E85L

U10B

4580M

R71

62K R86

20K

C86

47uF/25V

C65

0.22u/50V

C63

0.22u/50V

C64

0.22u/50V

R79

6K8

SW11A

PS-22E85L

SW11B

PS-22E85L

LO CUT

X10

JY-6351G-02-250

INSERT3

MIC GAIN -10~-60dB

LINE IN GAIN +10~-40dB

VR23

O10K

470P C17

22uF/35V

R29

11K0

LINE IN3

MIC 3 C25

47uF/50V R37

3K60

R21

6K81 1/4W

PH PWR

470P

R22

6K81 1/4W

C26

47uF/50V

C31

47P

R30

11K0 R38

3K60

C18

22uF/35V

R14

51K1

R13

51K1

470P

SMC-6.02

R53

5K11

R54

5K11

C48

22P

C47

22P

R66

10K0

R43

27R

C35

1000u/10V

U9A

4580M R65

10K0 R55

5K11

C49

22P

R56

5K11

C50

22P

C81

47uF/25V

R85

20K

JY-6351G-02-250

U9B

4580M

U10A

4580M

47R

R75

1K3

RTN-CH3

4148 D11

4148

D10

4148 D12

4148

+17V 17V

R92

22K

R96

68K

R102

6K8

TR10

3904

TR9

3904

R110

1K50 +17V

LD3

YEL

PGND

LEVEL SET

R171

17K4

AUX1

R216

5K1

U8A

4580M

VR28A

D10K

R223

12K

C51

22P

VR30

W50K

C85

47uF/25V

LEVEL

R165

27K

R166

27K

LEFT BUS

RIGHT BUS

PAN

AUX1

R175

5K1 A/PFL L

C83

47uF/25V

C82

47uF/25V

VR31

W50K

R172

17K4 AUX2

AUX2

SW12A

PS-22E85L

MUTE

R222

15K0

VR29

B5K

R230

2K7

R231

2K7

C84

47uF/25V

R212

47K0

R208

5K1

R103

6K8

TR12

3904

TR11

3904

R111

1K50

+17V

LD7

RED

PEAK

PGND

AUX SEND

AUX1

AUX GND

SW13A

PS-22E85L

SW13B

PS-22E85L

SW14A

PS-22E85L

SW14B

PS-22E85L

R173

17K4

AUX3

VR32

W50K

AUX3 EXT

VR33

W50K

R174

17K4 AUX4 INT

AUX4

AUX GND

R176

5K1 A/PFL R

SW15A

PS-22E85L

PFL

SW20B

PS-22E85L

LD17

GRN

SW5B

PS-22E85L

SW2B

PS-22E85L

+17V

LD10

YEL

LD11

GRN

SW10B

PS-22E85L

SW7B

PS-22E85L

LD12

YEL

LD13

GRN

SW15B

PS-22E85L

LD14

YEL

LD15

GRN

SW17B

PS-22E85L

LD16

YEL

SW12B

PS-22E85L

MUTE

BC337

R89

20K

+17V

D17

4148

D18

4148

17V

R235

100R

17V

/PFL

U1C

4580M

C125

100n

C126

100n

+17V

17V

U2C

4580M

C127

100n

C128

100n

U3C

4580M

C129

100n

C130

100n

U4C

4580M

C131

100n

C132

100n

U5C

4580M

C133

100n

C134

100n

U6C

4580M

C135

100n

C136

100n

U7C

4580M

C137

100n

C138

100n

U8C

4580M

C139

100n

C140

100n

U9C

4580M

C141

100n

C142

100n

U10C

4580M

C143

100n

C144

100n

U11C

4580M

C145

100n

C146

100n

U12C

4580M

C147

100n

C148

100n

U13C

4580M

C149

100n

C150

100n

U14C

4580M

C151

100n

C152

100n

SW33

SW-2WAY

CN1

HEADER 2

LD9

RED

R234

10K0

PGND

R440

20K

PH PWR

CN2

HEADER 10

AUX GND

LEFT BUS

RIGHT BUS

AUX1

A/PFL L

AUX2

AUX3

AUX4

A/PFL R

CN3

HEADER 4

+17V

17V

LEFT-BUS

RIGHT-BUS

AUX1

AUX2

AUX3

AUX

A/PFL L

A/PFL R

LEFT-BUS

RIGHT-BUS

AUX1

AUX2

AUX3

AUX

A/PFL L

A/PFL R

LEFT-BUS

RIGHT-BUS

AUX1

AUX2

AUX3

AUX

A/PFL L

A/PFL R

LEFT-BUS

RIGHT-BUS

AUX1

AUX2

AUX3

AUX

A/PFL L

A/PFL R

EQ HI (12K)

R115

5K6

R114

5K6 LO (80Hz)

R126

10K0

U3B

4580M

R130

1M0

C109

22P

R122

3K90

C93

33n(M) C94

33n(M)

C102

6n8(M)

C101

6n8(M)

U3A

4580M

R137

6K8

C110

22P

R136

6K8

C117

4n7(M)

R134

6K8

VR5B

500KC

VR5A

500KC C121

2n7(M)

MID

R135

6K8

VR16

B50K

VR14

B50K

MID (FREQ=100Hz-8K)

VR13

B50K

EQ HI (12K)

R117

5K6

R116

5K6 LO (80Hz)

R127

10K0

U7B

4580M

R131

1M0

C111

22P

R123

3K90

C95

33n(M) C96

33n(M)

C104

6n8(M)

C103

6n8(M)

U7A

4580M

R177

6K8

C112

22P

R159

6K8

C118

4n7(M)

R138

6K8

VR15B

500KC

VR15A

500KC C122

2n7(M)

MID

R147

6K8

VR27

B50K

VR25

B50K

MID (FREQ=100Hz-8K)

VR24

B50K

EQ HI (12K)

R119

5K6

R118

5K6 LO (80Hz)

R128

10K0

U11B

4580M

R132

1M0

C113

22P

R124

3K90

C97

33n(M) C98

33n(M)

C107

6n8(M)

C105

6n8(M)

U11A

4580M

R193

6K8

C115

22P

R192

6K8

C119

4n7(M)

R190

6K8

VR26B

500KC

VR26A

500KC C123

2n7(M)

MID

R191

6K8

MIC GAIN -10~-60dB

LINE IN GAIN +10~-40dB

U13B

4580M

R72

62K R88

20K

C88

47uF/25V

C66

0.22u/50V

C67

0.22u/50V

C68

0.22u/50V

R80

6K8

SW16A

PS-22E85L

SW16B

PS-22E85L

LO CUT

X12

JY-6351G-02-250

INSERT4

VR34

O10K

C10

470P C19

22uF/35V

R31

11K0

LINE IN4

MIC 4 C27

47uF/50V R39

3K60

R23

6K81 1/4W

PH PWR

C12

470P

R24

6K81 1/4W

C28

47uF/50V

C32

47P

R32

11K0 R40

3K60

C20

22uF/35V

R16

51K1

R15

51K1

C11

470P

SMC-6.02

R57

5K11

R58

5K11

C53

22P

C52

22P

R67

10K0

R44

27R

C36

1000u/10V

U12A

4580M R68

10K0 R59

5K11

C54

22P

R60

5K11

C55

22P

C87

47uF/25V

R87

20K

X11

JY-6351G-02-250

U12B

4580M

U13A

4580M

47R

R76

1K3

D13

4148 D15

4148

D14

4148 D16

4148

+17V 17V

R93

22K

R97

68K

R104

6K8

TR14

3904

TR13

3904

R112

1K50 +17V

LD4

YEL

PGND

LEVEL SET

RTN-CH

C89

47uF/25V

C90

47uF/25V

R213

47K0

R209

5K1

R105

6K8

TR16

3904

TR15

3904

R113

1K50

+17V

LD8

RED

PEAK

PGND

VR38

B50K

VR36

B50K

MID (FREQ=100Hz-8K)

VR35

B50K

EQ HI (12K)

R121

5K6

R120

5K6 LO (80Hz)

R129

10K0

U14B

4580M

R133

1M0

C114

22P

R125

3K90

C99

33n(M) C100

33n(M)

C108

6n8(M)

C106

6n8(M)

U14A

4580M

R197

6K8

C116

22P

R196

6K8

C120

4n7(M)

R194

6K8

VR37B

500KC

VR37A

500KC C124

2n7(M)

MID

R195

6K8

R217

5K1

U8B

4580M

VR39A

D10K

R225

12K

C56

22P

C92

47uF/25V

LEVEL

SW17A

PS-22E85L

MUTE

R224

15K0

C91

47uF/25V

R178

27K

R179

27K

LEFT BUS

RIGHT BUS

PAN

VR40

B5K

R232

2K7

R233

2K7

LEFT-BUS

RIGHT-BUS

R184

17K4

AUX1

VR41

W50K

AUX1

VR42

W50K

R185

17K4 AUX2

AUX2

AUX SEND

AUX1

AUX2

AUX GND

SW18A

PS-22E85L

SW18B

PS-22E85L

SW19A

PS-22E85L

SW19B

PS-22E85L

R186

17K4

AUX3

VR43

W50K

AUX3 EXT

VR44

W50K

R187

17K4 AUX4 INT

AUX4

AUX GND

AUX1

AUX2

AUX3

AUX

R188

5K1 A/PFL L

R189

5K1 A/PFL R

SW20A

PS-22E85L

PFL

A/PFL L

A/PFL R

R141

20K

R142

20K

R143

20K

R144

20K

C153

100uF/63V

1 2 3 5 6 7 8 9 10 11 12

111098765321

SW36C

PS-42E85L

LD19

GRN

SW26C

PS-42E85L

SW25C

PS-42E85L

17V

LD5

YEL

LD6

GRN

SW30C

PS-42E85L

SW29C

PS-42E85L

LD7

YEL

LD8

GRN

SW34C

PS-42E85L

LD9

GRN

LD10

GRN

SW35C

PS-42E85L

LD11

GRN

SW33C

PS-42E85L

MUTE

BC337

R73

20K

17V

LL4148

-17V

R321

100R

-17V

90 STEREO JACK

10K 1%

C22

22PF

C23

22PF

10K 1%

U20A

4580M

10K 1%

CH 9/10

LEFT

(MONO)

90 STEREO JACK

10K 1%

C21

22PF

C24

22PF

10K 1%

U20B

4580M

10K 1%

CH 9/10

RIGHT

47uF/35V

17V

-17V

C170

100n

C169

100n

U20C

4580M

R42

27K

R49

2K7

R44

27K

R60

20K

VR50A

W50K

U21A

4580M

STEREO

GAIN

+20dB

20dB

R41

27K

R51

2K7

R43

27K

R62

20K

VR50B

W50K

U21B

4580M

C41

22P

C81

100uF/16V

C80

100uF/16V

C85

47uF/25V

C84

47uF/25V

C42

22P

EQ HI (12KHz)

VR51A

B50K

R192

6K8

VR54A

B50K

R190

6K8

LO(80Hz)

R210

47K

U22A

4580M

R200

C45

22P

R89

10K

VR52A

B50K

R182

22K MID-LO(500Hz)

R162

1K8

C141

12n(M)

R164

1K8 C163

47n(M)

C155

3.3n(M)

C151

1n(M)

C143

12n(M)

C86

47uF/25V

U22B

4580M

R186

200K

C43

22P

R178

220K

R168

1K8

VR53A

B50K

R166

1K8

HI-MID(3KHz)

R206

12K

C157

3.3n(M)

R198

EQ HI (12KHz)

VR51B

B50K

R193

6K8

VR54B

B50K

R191

6K8

LO(80Hz)

R211

47K

U23B

4580M

R201

C46

22P

R90

10K

VR52B

B50K

R183

22K MID-LO(500Hz)

R163

1K8

C142

12n(M)

R165

1K8 C164

47n(M)

C156

3.3n(M)

C152

1n(M)

C144

12n(M)

C87

47uF/25V

U23A

4580M

R187

200K

C44

22P

R179

220K

R169

1K8

VR53B

B50K

R167

1K8

HI-MID(3KHz)

R207

12K

C158

3.3n(M)

R199

R293

5K1

R215

47K0

R217

6K80

TR6

3904

TR5

3904

R219

1K50

17V

LD3

RED

R230

5K1

U24A

4580M

VR55A

D10K

PEAK

R224

12K

C48

22P

C91

47uF/25V

LEVEL

PGND

R91

10K

R92

10K

R229

5K1

U24B

4580M

VR55B

D10K

R223

12K

C47

22P

C90

47uF/25V

LEVEL R98

10K

R97

10K

R52

2K7

VR56

B5K

R53

2K7

R221

15K0

R222

15K0

R88

10K

R87

10K

R156

22K

R58

68K

R158

6K80

TR2

3904

TR1

3904

R160

1K50 17V

LD1

YEL

LEVEL SET

C88

47uF/25V

C89

47uF/25V

PGND

SW25A

PS-42E85L

MUTE

R273

17K4

AUX1

VR57

W50K

R237

27K

R238

27K

LEFT-BUS

RIGHT-BUS

AUX1

R235

5K1 A/PFL L

VR58

W50K

R274

17K4 AUX2

AUX2

AUX SEND

AUX1

AUX2

AUX GND

SW27A

PS-22E85L

SW27B

PS-22E85L

SW28A

PS-22E85L

SW28B

PS-22E85L

R275

17K4

AUX3

VR59

W50K

AUX3 EXT

VR60

W50K

R276

17K4 AUX4 INT

AUX

AUX GND

R236

5K1 A/PFL R

SW26A

PS-42E85L

LEFT-BUS

RIGHT-BUS

AUX1

AUX2

AUX3

AUX

A PFL L

A PFL R

SW25B

PS-42E85L

R93

10K

R94

10K

SW26B

PS-42E85L

R95

10K

R96

10K

R100

10K

R99

10K

R102

10K

R101

10K

R104

10K

R103

10K

BAL

C172

100n

C171

100n

U21C

4580M

C174

100n

C173

100n

U22C

4580M

C176

100n

C175

100n

U23C

4580M

C178

100n

C177

100n

U24C

4580M

C180

100n

C179

100n

U25C

4580M

C182

100n

C181

100n

U26C

4580M

C184

100n

C183

100n

U27C

4580M

C186

100n

C185

100n

U28C

4580M

C188

100n

C187

100n

U29C

4580M

90 STEREO JACK

10K 1%

R12

10K 1%

C26

22PF

C27

22PF

R16

10K 1%

U25A

4580M

R14

10K 1%

CH 11/12

LEFT

(MONO)

90 STEREO JACK

R10

10K 1%

R11

10K 1%

C25

22PF

C28

22PF

R15

10K 1%

U25B

4580M

R13

10K 1%

CH 11/12

RIGHT

47uF/35V

R46

27K

R54

2K7

R48

27K

R63

20K

VR61A

W50K

U26A

4580M

STEREO

GAIN

+20dB

20dB

R45

27K

R55

2K7

R47

27K

R64

20K

VR61B

W50K

U26B

4580M

C49

22P

C83

100uF/16V

C82

100uF/16V

C93

47uF/25V

C92

47uF/25V

C50

22P

EQ HI (12KHz)

VR62A

B50K

R196

6K8

VR65A

B50K

R194

6K8

LO(80Hz)

R212

47K

U27A

4580M

R204

C53

22P

R107

10K

VR63A

B50K

R184

22K MID-LO(500Hz)

R170

1K8

C145

12n(M)

R172

1K8 C165

47n(M)

C159

3.3n(M)

C153

1n(M)

C146

12n(M)

C94

47uF/25V

U27B

4580M

R188

200K

C51

22P

R180

220K

R175

1K8

VR64A

B50K

R173

1K8

HI-MID(3KHz)

R208

12K

C161

3.3n(M)

R202

EQ HI (12KHz)

VR62B

B50K

R197

6K8

VR65B

B50K

R195

6K8

LO(80Hz)

R213

47K

U28B

4580M

R205

C54

22P

R108

10K

VR63B

B50K

R185

22K MID-LO(500Hz)

R171

1K8

C148

12n(M)

R177

1K8 C166

47n(M)

C160

3.3n(M)

C154

1n(M)

C147

12n(M)

C95

47uF/25V

U28A

4580M

R189

200K

C52

22P

R181

220K

R176

1K8

VR64B

B50K

R174

1K8

HI-MID(3KHz)

R209

12K

C162

3.3n(M)

R203

R294

5K1

R216

47K0

R218

6K80

TR8

3904

TR7

3904

R220

1K50

17V

LD4

RED

R232

5K1

U29A

4580M

VR66A

D10K

PEAK

R228

12K

C56

22P

C99

47uF/25V

LEVEL

PGND

R109

10K

R110

10K

R231

5K1

U29B

4580M

VR66B

D10K

R227

12K

C55

22P

C98

47uF/25V

LEVEL R116

10K

R115

10K

R56

2K7

VR67

B5K

R57

2K7

R225

15K0

R226

15K0

R106

10K

R105

10K

R157

22K

R59

68K

R159

6K80

TR3

3904

TR4

3904

R161

1K50 17V

LD2

YEL

LEVEL SET

C96

47uF/25V

C97

47uF/25V

PGND

SW29A

PS-42E85L

MUTE

R277

17K4

AUX1

VR68

W50K

R244

27K

R245

27K

LEFT-BUS

RIGHT-BUS

AUX1

R243

5K1 A/PFL L

VR69

W50K

R278

17K4 AUX2

AUX2

AUX SEND

AUX1

AUX2

AUX GND

SW31A

PS-22E85L

SW31B

PS-22E85L

SW32A

PS-22E85L

SW32B

PS-22E85L

R279

17K4

AUX3

VR70

W50K

AUX3 EXT

VR71

W50K

R286

17K4 AUX4 INT

AUX

AUX GND

R252

5K1 A/PFL R

SW30A

PS-42E85L

LEFT-BUS

RIGHT-BUS

AUX1

AUX2

AUX3

AUX

A PFL L

A PFL R

SW29B

PS-42E85L

R111

10K

R112

10K

SW30B

PS-42E85L

R113

10K

R114

10K

R118

10K

R117

10K

R120

10K

R119

10K

R122

10K

R121

10K

BAL

90 STEREO JACK

R17

10K 1%

R20

10K 1%

C30

22PF

C31

22PF

R24

10K 1%

U30A

4580M

R22

10K 1%

ST SUB IN1

LEFT

(MONO)

90 STEREO JACK

R18

10K 1%

R19

10K 1%

C29

22PF

C32

22PF

R23

10K 1%

U30B

4580M

R21

10K 1%

ST SUB IN1

RIGHT

47uF/35V

C10

47uF/35V

C11

47uF/35V

C12

47uF/35V

R65

20K

C100

47uF/25V

R66

20K

C101

47uF/25V

R124

10K

R123

10K

R126

10K

R125

R128

10K

R127

10K

VR72

W50K

AUX GND

VR73

W50K

AUX GND

R281 17K4

AUX3

VR74

W50K

AUX GND AUX3

R280 17K4

R282

17K4

AUX1

AUX2

AUX1

AUX2

R250

5K1 A/PFL L

R251

5K1 A PFL R

A/PFL L

A/PFL R

C190

100n

C189

100n

U30C

4580M

C106

47uF/25V

R234

10K

U33A

4580M

R304

10K

C168

22P

C109

47uF/25V

R71

20K

R307

17K4

C107

47uF/25V

R233

10K

U33B

4580M

R305

10K

C167

22P

C108

47uF/25V

R72

20K

R306

17K4

C232

100P

C233

100P

2TK-IN-R

VR84A

W50K

VR84B

W50K

2TK IN

C192

100n

C191

100n

U31C

4580M

R257

5K1 A/PFL L

R258

5K1 A/PFL R

SW36A

PS-42E85L A/PFL L

A/PFL R

6SW36B

PS-42E85L

LEFT-BUS

RIGHT-BUS

LEFT-BU

RIGHT-BUS

VR75A

W50K

R296

17K4

LEFT-BUS

VR75B

W50K

R297

17K4

RIGHT-BUS

LEFT-BUS

RIGHT-BUS

SW33A

PS-42E85L

6SW33B

PS-42E85L

90 STEREO JACK

R33

10K 1%

R36

10K 1%

C38

22PF

C39

22PF

R40

10K 1%

U31A

4580M

R38

10K 1%

ST SUB IN2

LEFT

(MONO)

X10

90 STEREO JACK

R34

10K 1%

R35

10K 1%

C37

22PF

C40

22PF

R39

10K 1%

U31B

4580M

R37

10K 1%

ST SUB IN2

RIGHT

C17

47uF/35V

C18

47uF/35V

C19

47uF/35V

C20

47uF/35V

R69

20K

C104

47uF/25V

R70

20K

C105

47uF/25V

R136

10K

R135

10K

R138

10K

R137

10K

R140

10K

R139

10K

VR76

W50K

AUX GND

VR77

W50K

AUX GND

R288 17K4

AUX3

VR78

W50K

AUX GND AUX3

R287 17K4

R289

17K4

AUX1

AUX2

AUX1

AUX2

R255

5K1 A/PFL L

R256

5K1 A PFL R

A/PFL L

A/PFL R

VR79A

W50K

R300

17K4

LEFT-BUS

VR79B

W50K

R301

17K4

RIGHT-BUS

LEFT-BUS

RIGHT-BUS

SW34A

PS-42E85L

6SW34B

PS-42E85L

90 STEREO JACK

R25

10K 1%

R28

10K 1%

C34

22PF

C35

22PF

R32

10K 1%

U32A

4580M

R30

10K 1%

ST SUB IN3

LEFT

(MONO)

90 STEREO JACK

R26

10K 1%

R27

10K 1%

C33

22PF

C36

22PF

R31

10K 1%

U32B

4580M

R29

10K 1%

ST SUB IN3

RIGHT

C13

47uF/35V

C14

47uF/35V

C15

47uF/35V

C16

47uF/35V

R67

20K

C102

47uF/25V

R68

20K

C103

47uF/25V

R130

10K

R129

10K

R132

10K

R131

10K

R134

10K

R133

10K

VR80

W50K

AUX GND

VR81

W50K

AUX GND

R284 17K4

AUX3

VR82

W50K

AUX GND AUX3

R283 17K4

R285

17K4

AUX1

AUX2

AUX1

AUX2

R253

5K1 A/PFL L

R254

5K1 A/PFL R

A/PFL L

A/PFL R

VR83A

W50K

R298

17K4

LEFT-BUS

VR83B

W50K

R299

17K4

RIGHT-BUS

LEFT-BUS

RIGHT-BUS

SW35A

PS-42E85L

6SW35B

PS-42E85L

C194

100n

C193

100n

U32C

4580M

C196

100n

C195

100n

U33C

4580M

PFL

APM STEREO BOARD(1/3)

R319

1K0

R320

1K0

L(WHITE)

R(RED)

TAPE IN TAPE OUT

2 5

X11

SCP6873NS3232

2TK-OUT-R

2TK-OUT-L

2TK-IN-L

APM-120

APM STEREO B OARD S01 APM-120

APM STEREO B OARD S02

SW47C

PS-42E85L

LD18

GRN

SW38C

PS-42E85L

LD12

GRN

SW41B

PS-22E85L

SW39C

PS-42E85L

LD13

GRN

LD14

GRN

SW45B

PS-22E85L

LD15

GRN

LD16

GRN

SW46B

PS-22E85L

LD17

GRN

SW44B

PS-22E85L

R61

20K

R50

20K

R239

20K

R240

20K

2TK-OUT-R

2TK-OUT-L

R486

10K

R485

10K

R484

10K

R487

10K

R488

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