Arcam FMJ P7 Service Manual page 14

R214 D200
R210 R211 47R SM BAS16W SM
27K SM 27K SM
PNP current mirror
TR200
FMMT597
+
C203
DZ200
100U EL
15V 350MW SM
0V_HF
C212
470N PE
IC200B
TL072CD
7
TP203
R231
4K7 SM
TR204
FMMT497
Integrating DC servo
0V_SIG
C200
100N SM
0V_SIG
TP200
IC200A
Input Filter
TL072CD
R223
3
INPUT TP202
1
1K0 SM
2
DZ202
4V7 350MW SM
R228 R229
22K SM C210 22R MF
DZ203 470P PPW
4V7 350MW SM
R230
TP201
22R MF
V to I converter
0V_SIG
C201
100N SM
+
0V_HF DZ201
15V 350MW SM
C204
100U EL
TR203
FMMT597
C202
R212 R213
100N SM
27K SM 27K SM
0V_SIG
TR205
FMMT497
NPN current mirror
R217 D202
47R SM BAS16W SM
R219
220R MF
R216
47R SM
TR201
FMMT597
TR202
TR PNP 2SA1740
C205
R221
Pre driver
3K3 SM
100P/250V
R207
TR208
100R SM
FMMT497
R240
6
R245
1M0 SM
5 22R SM
D203
BAV99W
+ C213
100U EL 100V
R232 R234
R241
560R MF 680R MF
1K CF 2W
R233 R235
560R MF 680R MF
Bootstrap
R236
NF
R237 NFB
R242
NF
R236 THRU R239 NOT FITTED 1K CF 2W
R238
NF
R239
+ C214
NF
100U EL 100V
R255
TR212
6K8 SM
FMMT497
+ C225
Pre driver
10U EL
R246
R257
22R SM
1K SM
R208
TR213
FMMT597
100R SM
Pre driver bias
C207
R222
3K3 SM
100P/250V
TR206
TR NPN 2SC4548
TR207
FMMT497
R218
47R SM
R220
220R MF
TR209
Output stage
TR NPN 2SC4548
C217 C218
47P/200V 47P/200V
TR210 TR211
R247 R248
SAP15N SAP15N
150R SM 150R SM
R224
1K0 SM
RV200
100R PSET
Measure Iq
+ D201 + C216
C215
BAS16W SM
10U EL 10U EL
Trim output stage Iq
R226
1K0 SM
R249 R250
TR215 TR216
SAP15P SAP15P
150R SM 150R SM
C220
C221
47P/200V
47P/200V
TR214
Output stage
TR PNP 2SA1740
DRAWING TITLE
P7 Amplifier Module
Filename: L924C2 1.1.sch
Notes:
A & R Cambridge Ltd.
Pembroke Avenue
Waterbeach
Cambridge CB5 9PB Contact Engineer:
+55V
C208
100N X7R 1812 500V
BASE1
EMITTER1
R225
1K0 SM
TP204
BIAS
PL200
1
2
D204
1N4003F
TP205
OUTPUT
D205
R254
1N4003F 4R7 W2 CF
C223
47N PE
0V_ZOB
R227
1K0 SM
EMITTER2
BASE2
0V_HF
C209
100N X7R 1812 500V
-55V
02_E055 JR 4/3/2002 FIXED DC FAULT AT POWER ON SEQUENCE BY FEEDBACK
ECO No. INITIALS DATE DESCRIPTION OF CHANGE
Jonny Reckless Contact Tel: (01223) 203200 Printed: 7 Mar 2002 Sheet 2 of 3
1.1
ISSUE
L924CT
DRAWING NO.