Phonic XP 2000 - Power Amplifier Schematic

+90V
+90V
D220
1N4935
C228
390pF/100V
C229
200pF/160V
R280
33K 1/2W
p
R277
51
R279 1K
D207
1N4935
C230
100N/160V
Q214
2N5401
R231
51
R232
51
R278
51
Q211
IRFP250
Q212
IRFP250
G
R230
51
Q210
IRFP250
D S
D221
FR602
p
R212
1K
R213
100
R214 100
C217
47uF/160V
-15V
-15V
+15V
C201
10uF/50V
C202
47N
-15V
R204
1K
C203
10uF/50V
C204
47N
R208
10K
D201
1N4148
C207
1N
Q201
2N5551
R215
4.7 1/2W
D206
1N4148
Q202
JE350
R229
2K2
C216
470pF/300V
Q209
2SC4793
Q215
2SC5200
Q216
2SC5200
Q217
2SC5200
Q218
2SC5200
p
p
R272
27K 1/2W
R276
10K
R274
18K
R275 270K
D219
1N4935
+50V
+50V
V+ SW
D218
FR602
D217
FR602
D216
FR602
p
C227
100N/100V
R273
30K
D215
1N5404
C225
0.001uF
C226
100uF/16V
ZD207
9.1V 1/2W
LD_P1
LD_P1
R271
4.7K
ZD205
6.8V D208
1N4004
Q221 JE340
R236
10
R237
10
R242
5W 0.22
R243
5W 0.22
R244
5W 0.22
R234
10
R235
10
R240
100 1/2W
R241
5W 0.22
R228 2.2K
R216
1K
R217
1K
R227
3K
ZD204
6.8V
D205
1N4004
C209
1N
C215
10N 300V
Q203
JE802
Q208 BC550
R226
24K
-15V
R205
3.9K
ZD202 7V5
R203
1K
3 2
6
7 4
IC201A
MC34081
ZD201 7V5
R201
4K99 1%
USE 75K RES. R202 XP2000
+15V
R209
68K
C206 33pF
R202
75K
ZD203
6.8V
C210
10uF/50V
SVR201
220
R225
24K
p
p
R247
100 1/2W
R248
5W 0.22
R249
5W 0.22
R250
5W 0.22
R251
5W 0.22
p
D209
1N4935
C218
0.0056uF
R269
33K 1/2W
R270
6.8K
SP_OUT
D213
FR602
R266
330
R267
10K
D214
1N5404
C220 100pF
C221
100pF
C222 3pF
Q233
2N5401
R268
33K
C219
100uF/16V
ZD206
5.6V 1/2W
R256
10
R257
10
Q223
2SA1943
Q224
2SA1943
Q225
2SA1943
R254
10
R255
10
Q206
2SA1837
Q222
2SA1943
R218
4.7 1/2W
R222
2K2
R224
2.2K
D203
1N4148
D204
1N4004
C214
10N 300V
Q205
JE340
Q207
BC560
R223
3K
OP_O1
R206 3.9K
R207
10
R210
68K
D202
1N4148
Q204
2N5401
P_IN1
OP_OUT1
P_IN1
OP_O1
OP_OUT1
C205
10uF/25V NP
p
R281
10 2W
C231 0.1uF
+15V
+15V
R211
10K
R219
1K
R220
100
R221
100
G
R260
51
C213
470pF/300V
Q228
IRFP250
D
S
D222
FR602
R261
51
R262
51
Q229
IRFP250
Q230
IRFP250
R264
51
R265
10K
D210
1N4935
Q232
2N5401
-50V
-50V
p
C224
100N/100V
D212
FR602
D211
FR602
-90V
-90V
No Use Q210/Q216/Q218 Q223/Q225/Q228
XP2000: D212/D217
p
AGND
OP_OUT
P_IN1
C223
100N/160V
+100V -100V
PGND +60V -60V
1 2 3 4 5 6
CN7B
HEADER 6
1 2 3 4 5 6 7 8 9
CN9B
HEADER 9
p
C212
47uF/160V
R223 USE 3K R225 USE 24K R226 USE 24K R270 USE 6.8K
XP2000:
AGND
OP_OUT
AGND P_IN2
1 2 3 4 5 6
CN7A
HEADER 6
+100V -100V
PGND +60V -60V
1 2 3 4 5 6 7 8 9
CN9A
HEADER 9
PGND VAC
V+
SP_R
AMP_R SAME AS AMP_L
+15V -15V
R228 USE 2.2K PGND
VAC
V+
SP_L
AGND +15V -15V
POWER AMPLIFIER SCHEMATIC
POWER AMPLIFIER SCHEMATIC
PHONIC CORPORATION
Page 9
XP2000/2000(B) SERVICE MANUAL