Phonic 3000(B), Service Manual

Page: 8 / 32

PHONIC CORPORATION
Page LM
XP3000/3000(B) S ERVICE MANUAL
1 2
JP14
HEADER
2
FA
N
2
8*8MM
FA
N
1
8*8MM
+ -
FA
N
+
1 2
CN14
Fan
Q301
MJE802
FA
N
-
C1A
0.1uF
R302
2K
R301 2.4K
ZD1A 9.1V
Q1A
2N5401
+65V
+65V
p
R2A 12K
NTC4
NTC
1
0K
1 2
CN16
HEADER
2
1
2
JP16
HEADER
2
R1A 20K
p
ZD2A
27V
FA
N
-
1 2
CN17
Fan
p
p
ZD3A
22V
FA
N
+
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
R31
1
120K
R343 4.7K
p
p
R305
100
R306
1K
Q302
2SC1815
C301
10uF/25V
LIMIT
p
OP_O1
R303
68K
R304
10K
R307 2.2K
C302
2.2uF/100V
N
P
SIGNAL
R308
100K
R310
33K R309
10K
R345 100K
R344 4.7K
+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
RELA
Y
AMP_OUT
p
V+
V+
1
2
CN15
HEADER
2
R315
4.7
3
W
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 Q31
1
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
C31
1
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
VA
C
+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
AMPLIFIER OUTPUT
AMPLIFIER OUTPUT SCHEMATIC
AMPLIFIER OUTPUT SCHEMATIC
8