Arcam FMJ P-7 Schematic
C104
Downloaded from http://receiverfaq.ru/
1N0 SM
0V_SIG
R104
100R SM
EMC
Inputs
SK103
PHONO2G
1
TP100
F
N
TP101
PL100
1
2
2WVERTJUMPER
To microprocessor PCB
+24V_DIG
1
2
MUTE
3
OUT RLY
4
5
THERMPROT
6
VIPROT
7
DCPROT
8
9
FAULT
10
VIPROT
DC
THERM
FAULT
BASE1
BASE2
L924C2
L924C2_1.1.sch
INPUT
BASE1
BASE2
NFB
NB: Signals THERMPROT, VIPROT,
DCPROT and FAULT are open
collector outputs, active low,
referenced to 0V_DIG with no pull up
resistors
EMITTER1
EMITTER2
OUTPUT
SK104
10WAY-H-0.1-F
Microprocessor GND
Microprocessor +24V
MUTE not used
Output relay control
Not used
Thermal protection
SOA protection
DC offset protection
Overall fault signal
Not used
L924C3
L924C3_1.1.sch
EMITTER1
EMITTER2
OUTPUT
Amplifier circuit Protection and supplies
TP102
VIPROT
DCPROT
THERMPROT
FAULT
NB: Nets +24V_DIG and 0V_DIG are isolated from amplifier circuit
+24V_DIG
TP103
TP104
TP105
TP106
TP107
TP108
TP109
0V_DIG
RLY G2R-1E-24DC 16A SPDT
OUT RLY
RLY101A
RLY G2R-1E-24DC 16A SPDT
TP110
RLY101B
C103
100N SM
R103
2R2 MF
L101
2U2 AIR CORED
D101
BAS16W SM
Electrical ground star point
0V_HF
0V_PSU
TP111
SK105
0V_SIG
SP101
STAR_8
0V_LS0V_ZOB
Z100
PCB HEATSINK
L924PB
Z101
SUB PANEL
E107AY
Z102
E915HK
Z103
SUB PANEL SUB PANEL SUB PANEL
SCREW SCREW SCREW
HF4V09B
Z106
TRANSISTOR
INSULATOR
E950MC
Z104
HF4V09B
Z107
M3 TAPTITE M3 TAPTITE M3 TAPTITE M3 TAPTITE
HB3B12A
Z105
HF4V09B
Z108
HB3B12A
Z109
HB3B12A
Z110
HB3B12A
NB: Feedback around relay not fitted
4MM 2W HOR
TP112
0V_LS
DRAWING TITLE
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9PB
P7 Amplifier Module
Filename:
L924C1_1.1.sch
Notes:
Contact Engineer:
02_E055 JR 4/3/2002 FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK 1.1
Contact Tel: (01223) 203200Jonny Reckless
ECO No. DESCRIPTION OF CHANGE
INITIALS
Printed:
DATE
7-Mar-2002
1 3Sheet of
DRAWING NO.
L924CT
ISSUE
R219
220R MF
+55V
INPUT
DZ202
4V7 350MW SM
DZ203
4V7 350MW SM
0V_SIG
0V_HF
0V_HF
R210
27K SM
+
C203
100U EL
R223
1K0 SM
+
C204
100U EL
R212
27K SM
R211
27K SM
DZ200
15V 350MW SM
Input Filter
R228
22K SM
C201
100N SM
DZ201
15V 350MW SM
R213
27K SM
TR200
FMMT597
0V_SIG
C210
470P PPW
0V_SIG
TR205
FMMT497
C200
100N SM
3
2
C202
100N SM
R214
47R SM
TR204
FMMT497
0V_SIG
TP200
IC200A
TL072CD
84
TP202
1
R229
22R MF
R230
TP201
22R MF
V to I converter
TR203
FMMT597
R217
47R SM
D200
BAS16W SM
PNP current mirror
C212
470N PE
IC200B
TL072CD
7
TP203
R231
4K7 SM
Integrating DC servo
R232
560R MF
R233
560R MF
R236
NF
R237
NF
R238
NF
R239
NF
NPN current mirror
D202
BAS16W SM
TR202
TR PNP 2SA1740
C205
R221
3K3 SM
100P/250V
D203
BAV99W
+
C225
10U EL
NFB
R255
6K8 SM
R257
1K SM
R240
1M0 SM
TR212
FMMT497
6
5
R234
680R MF
R235
680R MF
R236 THRU R239 NOT FITTED
Pre driver bias
C207
R222
3K3 SM
100P/250V
TR206
TR NPN 2SC4548
R216
47R SM
TR201
FMMT597
TR207
FMMT497
R218
47R SM
+
C213
100U EL 100V
R241
1K CF 2W
Bootstrap
R242
1K CF 2W
+
C214
100U EL 100V
TR208
FMMT497
TR213
FMMT597
Pre driver
Pre driver
R207
100R SM
R245
22R SM
R246
22R SM
R208
100R SM
TR209
TR NPN 2SC4548
C217
47P/200V
R247
150R SM
C215
10U EL
R249
150R SM
C220
47P/200V
TR214
TR PNP 2SA1740
RV200
100R PSET
+
Trim output stage Iq
Output stage
TR210
SAP15N
R224
1K0 SM
D201
BAS16W SM
R226
1K0 SM
TR215
SAP15P
Output stage
C218
47P/200V
R248
150R SM
R250
150R SM
C221
47P/200V
+
C216
10U EL
TR211
SAP15N
R225
1K0 SM
Measure Iq
R227
1K0 SM
TR216
SAP15P
TP204
BIAS
PL200
1
2
TP205
D204
1N4003F
D205
1N4003F
C208
100N X7R 1812 500V
BASE1
EMITTER1
OUTPUT
R254
4R7 W2 CF
C223
47N PE
0V_ZOB
EMITTER2
BASE2
0V_HF
C209
100N X7R 1812 500V
R220
220R MF
DRAWING TITLE
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9PB
P7 Amplifier Module
Filename:
L924C2_1.1.sch
Notes:
Contact Engineer:
-55V
02_E055 JR 4/3/2002 FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK 1.1
Contact Tel: (01223) 203200Jonny Reckless
ECO No. DESCRIPTION OF CHANGE
INITIALS
Printed:
DATE
7-Mar-2002
2 3Sheet of
DRAWING NO.
L924CT
ISSUE
BASE1
EMITTER1
OUTPUT
EMITTER2
R338
330R SM
R339
330R SM
R300
100R SM
R301
100R SM
+55V
D308
22V 350MW SM
Instant SOA limiting
R340
10K SM
R302
100R SM
+
C318
100U EL
R335
22R SM
R336
22R SM
+
C319
100U EL
R311
100R SM
R341
10K SM
C305
100N SM
C306
100N SM
D300
BAS16W SM
TR309
FMMT497
R316
22K SM
C320
100U NP
TR305
FMMT597
DC offset detection
TP300
C321
100U NP
0V_HF
R334
4K7 SM
IC300A
OPTO-PC3Q66-QUAD-SM
R320
22K SM
D303
BAS16W SM
TR310
FMMT497
TR302
FMMT597
0V_HF
R332
22K SM
0V_DIG
R333
22K SM
R310
100R SM
C300
100N SM
IC300B
OPTO-PC3Q66-QUAD-SM
R321
22K SM
R337
1K SM
TR311
FMMT497
VIPROTDC
0V_DIG
+
C301
100U EL
TH300
PTH 110DEG SM
D301
15V 350MW SM
R342
120K SM
R307
39K SM
0V_HF
Over temperature sensing
R343
100K SM
R304
270R SM
TR301
FMMT597
R305
10K SM
R306
10K SM
IC300C
OPTO-PC3Q66-QUAD-SM
IC300D
OPTO-PC3Q66-QUAD-SM
R303
22K SM
TR300
FMMT497
FAULT
THERM
0V_DIG
BASE2
Instant SOA limiting
D309
22V 350MW SM
-55V
D307
BAS16W SM
TR312
FMMT497
R314
100R SM
TR313
FMMT497
R315
100R SM
AC from transformer
AC from transformer
SK300
MOLEXPWR2WAY_R/A
1
TP304
2
TP305
SK301
MOLEXPWR2WAY_R/A
1
TP306
2
TP307
DRAWING TITLE
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9PB
Power supplies
1
BR300
+
BRGBU8D
3
~
3
~
2
~
-
4
1
+
BR301
BRGBU8D
2
~
-
4
P7 Amplifier Module
Filename:
Notes:
Contact Engineer:
L924C3_1.1.sch
+55V
TP302
+
C322
C AM 71V 10000U
0V_PSU
+
C323
C AM 71V 10000U
TP303
-55V
02_E055 JR 4/3/2002 FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK 1.1
Contact Tel: (01223) 203200Jonny Reckless
ECO No. DESCRIPTION OF CHANGE
INITIALS
Printed:
DATE
7-Mar-2002
3 3Sheet of
DRAWING NO.
L924CT
ISSUE
Control PCB
L925CT1_1.2.SCH
Interface PCB
L925CT2_1.2.SCH
Main Switch and LED Display
L925CT3_1.2.sch
DRAWING TITLE
P7 Amp Controller
23425
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9PB
Filename:
Notes:
Contact Engineer:
L925CT0_1.2.Sch
CHANGED R200 VALUE. CORRECTED SK301 & SK302 TO 8K2402
JP100 ADDED ON SK112 PIS 1 & 2 , F102 PART CORRECTED TO 315mA
ECO No. DESCRIPTION OF CHANGE
Contact Tel: (01223) 203252Kevin Lamb
INITIALS
Printed:
DATE
18-Apr-2002
1 4Sheet of
DRAWING NO.
L925CT
1.220/03/02KAL02_E061
1.17/03/02KAL02_E054 CHANGED C121 VALUE. REMOVED SOFT START PROTECTION
1.07/02/02KAL02_E041 PRODUCTION ISSUE PCB CHANGES ONLY
ISSUE
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