background image

ISSUE

DRAWING NO

DRAWING  I LE

DA E

Fi ename:

ECO No

DESCR P ION OF CHANGE

L925C 1_1 2 sch

P7 Amp Controller

Contact Engineer:

L925CT

18 Apr 2002

NI IALS

Pr n ed:

2

4

Sheet

of

Notes:

Contact  el:

01223) 203252

Kev n Lamb

A & R Cambridge Ltd
Pembroke Avenue

Cambridge CB5 9PB

Waterbeach

23425

F100
T315MA

1

2

3

5

6

SK103
MOLEXPWR6

1
2
3

5
6
7
8
9

10
11
12
13
1
15
16

SK111

FFC16V

1

2

3

5

6

SK105
MOLEXPWR6

1

2

3

5

6

SK10
MOLEXPWR6

1

2

3

5

6

SK106
MOLEXPWR6

230V

230V

115V

115V

POWER TO MAIN TRANSFORMERS

230V

115V

POWER TO AUX TRANSFORMER

1

2

3

SK107
MOLEXPWR

D107
1N 003

D108
1N 003

D103
1N 003

D10
1N 003

Vin

I

GND

G

Vout

O

REG100
7805

C103
100N PE

GND1

22VD

5VD

DATA

S0
S1
S2

DATA

S0
S1
S2

DATA

S0
S1
S2

SEL RELAY*

RED1
RED2
RED3
RED
RED5
RED6
RED7

GRN1
GRN2
GRN3
GRN
GRN5
GRN6
GRN7

GND1

RED1
RED2
RED3
RED
RED5
RED6
RED7

GRN1
GRN2
GRN3
GRN
GRN5
GRN6
GRN7

SEL_RED*

SEL_GRN*

SEL_RELAY*

FAULT1*

TR108
BC5 7B

TR111
BC5 7B

D115
1N 1 8

D119
1N 1 8

MSOFT ST*

MPOWER

GND1

1
2

SK110

IDC2S

1
2

SK109

IDC2S

R131

K7 MF

GND1

5VD

TX OVTEMP

R136

K7 MF

MAINS SW

TRIG/RC5

THERMAL TRIPS
FROM POWER
TRANSFORMERS

C105
100N PE

X100
CST 00

R137
100K MF

GND1

C115
10U EL

GND1

5VD

MA NS_SW

RELAY1
RELAY2
RELAY3

D

13

Q0
Q1

5

S0

1

Q2

6

S1

2

Q3

7

S2

3

Q

9

Q5

10

G

1

Q6

11

CLR

15

Q7

12

C101A

C 7 HC259

RELAY

D

13

Q0
Q1

5

S0

1

Q2

6

S1

2

Q3

7

S2

3

Q

9

Q5

10

G

1

Q6

11

CLR

15

Q7

12

C102A

C 7 HC259

RELAY5
RELAY6

D

13

Q0
Q1

5

S0

1

Q2

6

S1

2

Q3

7

S2

3

Q

9

Q5

10

G

1

Q6

11

CLR

15

Q7

12

C103A

C 7 HC259

RELAY7

VDD

16

GND

8

IC101B
IC 7 HC259

VDD

16

GND

8

IC102B
IC 7 HC259

VDD

16

GND

8

IC103B
IC 7 HC259

C117
100N CD

GND1

5VD

C118
100N CD

GND1

5VD

C119
100N CD

GND1

5VD

RESET*

MSOFT ST*
MPOWER

1
2

SK108

DC2S

C107
220U EL 50V

PWM OUT

5VD

GND1

C106
100N PE

RESET*

FAULT2*

FAULT3*

FAULT *

FAULT5*

FAULT6*

FAULT7*

DATA

S0

S1

S2

SEL RED*

SEL GRN*

MAINS_SW

S0

S1

GND1

PWM OUT

TREF
TTEMP

2

3

6

7

8

1

5

SK100

TR101
BC5 7B

D109
1N 1 8

R109
10K MF

C109
10U EL

5VD

GND1

PWROK*

PWROK*

R132

K7 MF

R120

2K2 MF

R121

2K2 MF

TR116
BD180 PNP TO-126

TR103
BC5 7B

R119
10K MF

R108
10K MF

22VD

22VD_SW

FLT_VI*
FLT_DC*
FLT_TEMP*

FLT_VI*

FLT_DC*

FLT_TEMP*

R135

K7 MF

R13

K7 MF

R133

K7 MF

5VD

C DISCH

GND1

3

2

1

C10 A

LM393A

5

6

7

C10 B

LM393A

8

IC10 C
LM393A

C120
100N CD

R106
22K MF

R107
22K MF

R105

7K MF

C111
10U EL

C116

7U EL 35V

C110
10U EL

R11

100K MF

WATCHDOG

WATCHDOG

GND1

GND1

TR100
BC5 7B

TR113
BC557B

TR11
BC557B

R117

70R MF

R115
100R MF

R116
100R MF

R113
100K MF

R118

2K2 MF

TR115
2SC52 8

C108
10U EL

R112

100K MF

C112
1N PE

GND1

F101

T315MA

GND1

5VD

22VD

C10
100N PE

5VD

RELAY100A
RLY G2R-1E-2 DC 16A SPDT

RELAY101A
RLY G2R-1E-2 DC 16A SPDT

RELAY100B
RLY G2R-1E-2 DC 16A SPDT

RELAY101B
RLY G2R-1E-2 DC 16A SPDT

C101
3M3 35V EL

R111

2K2 MF

FAULT1*
FAULT2*
FAULT3*
FAULT *
FAULT5*
FAULT6*
FAULT7*

FLT_TEMP*

FLT_VI*

FLT_DC*

22VD_SW

GND1

1

2

3

5

6

SK102
MOLEXPWR6

PWM OUT

1

2

3

5

6

SK101
MOLEXPWR6

D101
1N 003

D105
1N 003

D102
1N 003

D106
1N 003

C102
1M0 25V

F X105
F XING HOLE 3.5

FIX102
FIX NG HOLE 3.5

FIX10
F XING HOLE 3.5

FIX103
F XING HOLE 3.5

1

2
3

5

6

C105

N35

GND1

SSPROT*

SSPROT*

GND1

22VD_SW

D100
1N 003

R103

100K 2W CF

R10

7K MF

5VD

C100

U7 50V

RC100

X2 100N/100R

1

2

3
5

6

SK112

DIL6 VPLG

PCB

PB

L925PB_E

TP130

DGND_FAN

TP131
FAN

TP116

RED1

TP117

RED2

TP118

RED3

TP119

RED

TP120

RED5

TP121

RED6

TP122

RED7

TP123

GRN1

TP12

GRN2

TP125

GRN3

TP126

GRN

TP127

GRN5

TP128

GRN6

TP129

GRN7

TP132
MA NS_SW

TP166

22V

TP138
RELAY1*

TP139
RELAY2*

TP1 0
RELAY3*

TP1 1
RELAY

TP1 3
RELAY5*

TP1
RELAY6*

TP1 5
RELAY7*

TP1 6

FAULT1

TP1 7

FAULT2

TP1 8

FAULT3

TP1 9

FAULT

TP150

FAULT5

TP151

FAULT6

TP152

FAULT7

TP156 TREF
TP157 C_DISCH
TP158 TTEMP

TP155

FLT_TEMP*

TP15

FLT_VI*

TP153

FLT_DC*

TP165

TRIG/RC5

TP167
DGND_SK131

TP133
TX_THERM2

TP13
TX_THERM1

TP135
DGND_SK127

TP111

AUX_AC1

TP110

AUX_AC2

TP112

AUX_AC3

TP113

AUX_AC

TP100

AC_L

TP109
AC_N

TP101
AUX_FUSE1

TP102
AUX_FUSE2

TP103
AUX_TX

TP10
MAIN_FUSE1

TP105
MA N_FUSE2

TP11
MAIN_TX1

TP115
MAIN_TX2

TP108
MSSPROT

TP137

uC_ 5V

TP136
MCLR

TP107
MAIN_FUSE

TP106
MAIN_FUSE3

5VD

R110
10K MF

GND1

F X101
F XING HOLE 3.2

TR106
BC5 7B

TR107
BC5 7B

TR109
BC5 7B

TR110
BC5 7B

TR102
BC5 7B

TR105
BC5 7B

TR10
BC5 7B

D111
1N 1 8

D112
1N 1 8

D113
1N 1 8

D11
1N 1 8

D116
1N 1 8

D117
1N 1 8

D118
1N 1 8

RELAY1*
RELAY2*
RELAY3*
RELAY *
RELAY5*
RELAY6*
RELAY7*

RELAY1

RELAY2

RELAY3

RELAY

RELAY5

RELAY6

RELAY7

GND1

22VD_SW

R12
2K2 MF

R125
2K2 MF

R126
2K2 MF

R127
2K2 MF

R128
2K2 MF

R129
2K2 MF

R130
2K2 MF

TP159

RELAY1

TP160

RELAY2

TP161

RELAY3

TP1 2

RELAY

TP162

RELAY5

TP163

RELAY6

TP16

RELAY7

5VD

5VD

5VD

GND1

GND1

GND1

TH100
THERM NTC 2K2

R122
2K2 MF

GND1

R123
2K2 MF

TR112
BC5 7B

C DISCH

TTEMP

TREF

1

2

3

5

6

7

8

9

10

11

12

13

1

15

16

17

18

19

20

21

22

SK11

FFC22V1MM

FIX100
FIX NG HOLE 3.2

F103

T A

F10

T A

F105

T A

F106

T A

R100

RES 17W 150R

R101

RES 17W 150R

R102

RES 17W 150R

C11

70U EL 25V

UC5V

UC5V

UC5V

C113

70U EL 25V

1

2

3

5

6

SK113
DIL6 VPLG

5VD

GND1

RX
TX

D120

1N5711

D110

1N 1 8

HS100

TO220HS30REG

HS101

TO220HS30TR

LK1

PCB NET LINK

MCLR

1

RA0

2

RA1

3

RA2
RA3

5

RA /T0CKI

6

RA5/SS

7

RE0/RD

8

RE1 WR

9

RE2/CS

10

VDD

11

VSS

12

OSC1 CLKIN

13

OSC2 CLKOUT

1

RC0 T1OSI/T1CKI

15

RC1 T1OSO

16

RC2 CCP1

17

RC3 SCK SCL

18

RD0 PSP0

19

RD1 PSP1

20

RD2 PSP2

21

RD3 PSP3

22

RC SDI/SDA

23

RC5/SDO

2

RC6

25

RC7

26

RD PSP

27

RD5 PSP5

28

RD6 PSP6

29

RD7 PSP7

30

VSS

31

VDD

32

RB0/ NT

33

RB1

3

RB2

35

RB3

36

RB

37

RB5

38

RB6

39

RB7

0

IC100

PIC16F877

1.0

7/02/02

KAL

02_E0 1

PRODUCTION ISSUE PCB CHANGES ONLY

C121

70N X2 CLASS

NF

NF

NF

NF

1.1

7/03/02

KAL

02_E05

CHANGED C121 VALUE. REMOVED SOFT START PROTECTION

1.2

20/03/02

KAL

02_E061

CHANGED R200 VALUE. CORRECTED SK301 & SK302 TO 8K2 02

JP100

JUMPER

JP100 ADDED ON SK112 P S 1 & 2 , F102 PART CORRECTED TO 315mA

F102
T315MA

Summary of Contents for FMJ P7

Page 1: ...P7 FMJ P7 7 Channel Amplifier Service Manual ARCAM Issue 1 0...

Page 2: ...ription Component overlay 1 0 Parts list 1 1 Circuit diagrams 1 1 Controller board L925 Circuit description Component overlay 1 0 Parts list 1 2 Circuit diagrams 1 2 Transformer specifications L911TX...

Page 3: ...Technical Specifications Contents Technical specifications Rear panel silk screen...

Page 4: ...per channel Total harmonic distortion At any level up to rated power into 4 or 8 ohms 0 05 20Hz 20kHz Typically 0 005 at 1kHz Frequency response 0 2dB 20Hz 20 kHz 1dB at 1Hz and 100kHz Residual hum an...

Page 5: ...ING CONDITIONS 1 THIS DEVICE MAY NOT CAUSE HARMFUL INTERFERENCE 2 THIS DEVICE MUST ACCEPT ANY INTERFERENCE RECEIVED INCLUDING INTERFERENCE THAT MAY CAUSE UNDESIRED OPERATION THIS PRODUCT IS CERTIFIED...

Page 6: ...Amplifier Board L924 Contents Circuit description Component overlay Parts list Circuit diagrams...

Page 7: ...mponents that allow for this R236 thru R239 are not presently fitted meaning that RLY101 is not included in the feedback loop SK104 connects to the microcontroller PCB Note that all signals on this co...

Page 8: ...is configured as an inverting integrator with a time constant of 0 47 seconds Any positive DC offset at the output of the amplifier will cause the output of the op amp to go negative increasing the c...

Page 9: ......

Page 10: ...10 100N C306 2C410 Capacitor SM 1206 X7R Ceramic 50V 10 100N C318 2N710 Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 100UF 25V C319 2N710 Capacitor Radial Electrolytic Dia 5mm Pitch 5mm 100UF 25V...

Page 11: ...1 1C210 Resistor Carbon Film 2W 5 1K0 R242 1C210 Resistor Carbon Film 2W 5 1K0 R245 1A022 Resistor 1206 Surface Mount 0 25W 1 22R R246 1A022 Resistor 1206 Surface Mount 0 25W 1 22R R247 1A115 Resistor...

Page 12: ...15N Transistor SAP15NY TR212 4AFMMT497 Transistor FMMT497 SOT23 Package TR213 4AFMMT597 Transistor FMMT597 SOT23 Package TR214 4B1740 Transistor 2SA1740 SOT 89 Package TR215 4CSAP15P Transistor SAP15P...

Page 13: ...B 0V_SIG 0V_HF THERMPROT SK105 4MM 2W HOR TP100 TP101 TP112 TP111 TP103 TP102 TP104 TP105 TP106 TP107 TP108 TP109 TP110 1 2 PL100 2WVERTJUMPER NB Nets 24V_DIG and 0V_DIG are isolated from amplifier ci...

Page 14: ...C214 100U EL 100V TR211 SAP15N TR216 SAP15P R250 150R SM R248 150R SM TR212 FMMT497 R257 1K SM R255 6K8 SM R241 1K CF 2W R242 1K CF 2W 3 2 1 8 4 IC200A TL072CD 5 6 7 IC200B TL072CD NFB R229 22R MF R2...

Page 15: ...FMMT497 R314 100R SM R315 100R SM R333 22K SM D303 BAS16W SM 0V_HF 0V_HF C321 100U NP R334 4K7 SM 0V_DIG EMITTER1 EMITTER2 OUTPUT 55V 55V BASE1 BASE2 R335 22R SM R336 22R SM 1 2 4 3 BR300 BRGBU8D 0V_...

Page 16: ...Controller Board L925 Contents Circuit description Component overlay Parts list Circuit diagrams...

Page 17: ...ration The control PCB provides a means of configuring the unit for 115V or 230V operation This is achieved by having 2 connectors marked with the appropriate voltage for each of the units 3 transform...

Page 18: ...rol Transformer Thermal trip monitoring The main power transformers have thermal trips built into them These are normally closed and go open when the trip temperature is exceeded The trips are put in...

Page 19: ...onitors the average voltage on the WATCHDOG line and if it falls outside its required voltage then it removes the power supply to the relays which has the effect of muting the amplifier outputs and re...

Page 20: ......

Page 21: ...m Pitch 50V 20 1nF C202 2A210 Capacitor Ceramic 5mm Pitch 50V 20 1nF D100 3B4003 Diode 1N4003 DO 41 Package D101 3B4003 Diode 1N4003 DO 41 Package D102 3B4003 Diode 1N4003 DO 41 Package D103 3B4003 Di...

Page 22: ...ADER 10WAY R100 1W115A Resistor Axial Wirewound 17W 5 150R R101 1W115A Resistor Axial Wirewound 17W 5 150R R102 1W115A Resistor Axial Wirewound 17W 5 150R R103 1E410 Resistor Carbon Film 1W 5 100K R10...

Page 23: ...6WAY SK106 8K2306 CON MINIFIT HCS 6WAY SK107 8K2304 CON MINIFIT HCS 4WAY SK108 8K6602 CON KK SERIES 0 1in VERTICAL FRICTION LOCK HDR 2WAY SK109 8K6602 CON KK SERIES 0 1in VERTICAL FRICTION LOCK HDR 2...

Page 24: ...dge Ltd Pembroke Avenue Cambridge CB5 9PB Waterbeach 23425 Control PCB L925CT1_1 2 SCH Interface PCB L925CT2_1 2 SCH Main Switch and LED Display L925CT3_1 2 sch 1 0 7 02 02 KAL 02_E041 PRODUCTION ISSU...

Page 25: ...ULT5 FAULT6 FAULT7 FLT_TEMP FLT_VI FLT_DC 22VD_SW GND1 1 2 3 5 6 SK102 MOLEXPWR6 PWM OUT 1 2 3 5 6 SK101 MOLEXPWR6 D101 1N 003 D105 1N 003 D102 1N 003 D106 1N 003 C102 1M0 25V F X105 F XING HOLE 3 5 F...

Page 26: ...AFLT_VI AFLT_DC AFLT_TEMP ASIG_PRES AFLT_VI AFLT_DC AFLT_TEMP ASIG_PRES AFLT_VI AFLT_DC AFLT_TEMP ASIG_PRES 22VD SW2 GND2 GND2 22VD SW2 GND2 GND2 22VD SW2 GND2 22VD SW2 GND2 AFAULT1 AFAULT2 AFAULT3 A...

Page 27: ...05 LED RED GRN R310 220R MF R311 220R MF GND3 R G LED306 LED RED GRN R312 220R MF R313 220R MF GND3 GND3 BRED1 BRED2 BRED3 BRED4 BRED5 BRED6 BRED7 BGRN1 BGRN2 BGRN3 BGRN4 BGRN5 BGRN6 BGRN7 MAINS_SW1 F...

Page 28: ...Transformer Specifications Contents L911TX Power amp 115 230VAC L912TX Aux 115 230VAC L920TX Power amp 100VAC L921TX Aux 100VAC...

Page 29: ...indings connect to 2 way molex connector 39 01 3028 Use MOLEX pin 44476 3112 MOLEX connectors have pin numbers indicated on them 3 Primary wires are enclosed in a common sleeve Each secondary winding...

Page 30: ...gths in mm Lengths are 5 0 0 5 Please adhere rubber insulating pad to bottom of transformer as shown Electrical Specification 1 Transformer to have dual 115V primaries to allow parrallel operation for...

Page 31: ...ry windings connect to 6 way MOLEX connector 39 01 2065 Secondary windings connect to 2 way molex connector 39 01 3028 Use MOLEX pin 44476 3112 MOLEX connectors have pin numbers indicated on them 3 Pr...

Page 32: ...mmon screen Use PVC sleeving 4 All wire lengths in mm Lengths are 5 0 0 5 Please adhere rubber insulating pad to bottom of transformer as shown Electrical Specification 1 Transformer to have dual 100V...

Page 33: ...Mechanical Assembly Contents General assembly parts list Assembly diagrams Front panel TX tray Rear panel Chassis...

Page 34: ...TTOM 1 E910PK CARDBOARD PARTITION FOR MAINS LEAD 1 E911PK CARTON 1 E920PK POLY SHEET 1300x1000mm 350 GAUGE TO PACKAGE UNIT 1 E926MC POWER SWITCH BRACKET MOUNTS SWITCH TO FASCIA 1 E932MC BUSH POWER BUT...

Page 35: ...T SHAKEPROOF M4 STEEL ZINC PLATE BLACK CHASSIS SAFETY EARTH 1 TRANSFORMER EARTH SCREEN WIRE 1 2 HL5EB WASHER PLAIN M5 STEEL ZINC PLATE BLACK AUX TX TO TRAY MODULE TO TRAY 15 WASHER M3 FIBRE ADHESIVE B...

Page 36: ......

Page 37: ......

Page 38: ......

Page 39: ......

Page 40: ...ARCAM All parts can be ordered via spares arcam co uk Pembroke Ave Waterbeach Cambridge CB5 9PB ENGLAND TEL 44 0 1223 203 203 FAX 44 0 1223 863 384...

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