Phonic XP 2000 - Amplifier Output Schematic

FAN1
8*8MM
Q301
MJE802
V+
C313
47uF/16V
R301
750
V+
NTC4
NTC 10K
1 2
CN16
HEADER 2
12
JP16
HEADER 2
FAN+ FAN-
C314
47uF/25V
1 2
CN17
Fan
p
1 2
JP17
HEADER 2
+15V
1 2 3 4 5 6
CN10A
HEADER 6
LIMIT
-15V
SIGNAL
PGND PROT
+15V +15V
p
R313
1K
R314
1K
LED302 SIGNAL
-10
LED303 SIGNAL
-20
Q303
2SC1815
+15V
LED301
LIMIT
A/B
R343 4.7K
R311 100K
pp
R305
100
R306
1K
Q302
2SC1815
C301
10uF/25V
LIMIT
p
OP_O1
R304
10K
R303
62K
XP2000: R303 USE 62K
R309 USE 6.8K R310 USE 30K R311 USE 100K
R307 2.2K
C302
2.2uF/100V NP
SIGNAL
R308
100K
R345 100K
R344 4.7K
R309 6.8K
R310
30K
+15V
p p
R312
1K
LED304 SIGNAL
-40
Q304
2SC1815
Q305
2SC1815
AMP_R SAME AS AMP_L
+15V
LIMIT
-15V
SIGNAL
PGND PROT
1 2 3 4 5 6
CN10B
HEADER 6
+15V
LIMIT
-15V
SIGNAL
PGND PROT
1 2 3 4 5 6
JP10A
HEADER 6
TMP1
A100C
SPK1
SPK1
1 2
JP15
HEADER 2
D302
1N4004
RA2
DC24V RELAY
AMP_OUT
p
V+
V+
12
CN15
HEADER 2
R315
4.7 3W
R316
22 2W
C304
0.1uF/100V
C305
0.1uF/100V
L301
1uH
SP_OUT
R317
7.5K 1/2W
p
R319 6.8K
D303
1N4148
+15V
R322 220K
R324
10K
R325 22K
Q306
2SC1815
Q307
2SA1015
Q309
2SC1815
C307
470pF
R323
2.2K
p
R326
100
R327
100K
Q310
2SC1815 Q311 A1015GR
C308
100uF/16V
ZD301
6.8V
LED305
PROT
A/B
+15V
LIMIT
-15V
SIGNAL
PGND
1 2 3 4 5 6
JP10B
HEADER 6
PROT
PCB E/F
V+ SW
p
R338
100
R341
1K
p
-15V
R335 2.2K
R336
22K
R337
22K
Q315
2SC1815
C311
22uF/25V
p
R328 3.3K
R333 68K
D306
1N4004
PROT
C316
0.1uF
p
p
p
p
+15V
Q308
2SC1815
p
p
p
R320
220K
R321
220K
C306
220uF/16V
D304
1N4148
C315 0.1uF
R318
7.5K 1/2W
VAC
+15V
p
p
R329
56K
R330
12K
C309
1uF/50V
D305
1N4004
R331 10K
Q312 2SC1815
R332
10K
R334
100K
Q313
2SA1015
C310
22uF/25V
p
p
p
R339
10K
Q314
2SC1815
ZD302
6.8V
p
LD_P1
R340
22K
R342
33K
Q316
JE350
C312
22uF/25V
LD_P1
Page 8
XP2000/2000(B) SERVICE MANUAL
PHONIC CORPORATION
AMPLIFIER OUTPUT SCHEMATIC
AMPLIFIER OUTPUT SCHEMATIC