Publicidad
4-2.
SCHEMATIC DIAGRAM - MAIN Board (2/2) -
1
2
3
MAIN BOARD (2/2)
A
B
1
2
1
3
4
MAIN
BOARD
5
(1/2)
6
7
C
CAM006
R932
2.2k
(CHASSIS)
TP12
C902
0.1
TP18
D
C903
1000p
R902
R903
10k
10k
D904
DZ2J160M0L
0.1
E
0.8
Q901
0.8
RT1N141C-TP-1
OVER VOLTAGE DETECT
0.1
Q903
2SC3052EF-T1-LEF
C906
0.1
F
R940
C907
R943
100k
100
47k
16V
IC B/D
IC901
DC/DC CONVERTER
G
R914
IC901
6.8k
TL594CD-R2
0.5
2IN+
1 1IN+
R942
10k
2.5
2IN–
2 1IN–
C909
0.01
0
REF
3
FEEDBACK
0.3
OUTPUT
4
C908
CTRL
DTC
1000p
H
1.6
VCC
5
CT
3.8
C2
6
RT
R913
22k
E2
7
GND
14.3
E1
C905
8
C1
100
16V
I
1
C910
1000p
Q905, 906
0.1
PROTECT DETECT
14.2
Q906
RT1N141C-TP-1
J
LED DRIVER
0
2
D918
Q904
SML1216WTP4
RT1N141C-TP-1
POWER/
PROTECTOR
K
(GRN): POWER ON
(RED): PROTECTOR ON
(RED)
(GRN)
L
XM-N502
• See page 7 for Waveforms. • See page 7 for IC Block Diagram.
4
5
6
7
C913
C904
1
1
R901
C912
C921
10k
0.1
0.1
R912
10k
(E, IND)
R904
1k
R905
14.3
270
Q902, 903
13.7
B+ SWITCH
Q902
R906
R908
KTA1281Y-AT
14.3
2.2k
1.5k
R933
10k
14.3
R939
10k
13.7
D906
Q309
DA2J10100L
ISA1235AC1-T112-1EF
14.3
DC OFF DETECT
R941
10k
D905
DA2J10100L
0
16
R141
2.5
2.2k
15
5
14
R136
2.2k
5
13
C211
14.3
C136
47
12
0.1
16V
14.3
11
5.7
10
5.7
9
Q905
RT1P441C-TP-1
R915
4.7k
0.1
14.3
R919
R921
1k
1k
C911
14.2
R916
1
4.7k
R920
R923
1k
1k
R907
470
R918
1k
R931
C318
47k
0.01
8
9
10
11
L901
80uH
R118
R121
R138
D101
R122
33k
1.5k
1.5k
DA2J10100L
100
29.5
Q104
C112
ISA1284AS1-T112-E
47p
DRIVE AMP
C113
R124
29.5
29.4
22p
47k
0.2
-1
-2
Q103
2SC4207(T5RSONY,F)
-0.3
DIFFERENTIAL AMP
R125
0.7
47k
0.2
-1
-2
Q102
2SA1618-YGRTE85R
-29.1
Q105
DIFFERENTIAL AMP
ISC3244AS1-T112-E
-29.1
DRIVE AMP
-29.1
R120
R137
R119
R123
D102
1.5k
1.5k
33k
100
DA2J10100L
C111
47
R116
R117
16V
1.5k
10k
R218
R221
R238
D201
R222
33k
1.5k
1.5k
DA2J10100L
100
29.5
Q204
C212
ISA1284AS1-T112-E
47p
DRIVE AMP
C213
R224
29.5
29.4
22p
47k
0.1
0.1
-1
-2
Q203
2SC4207(T5RSONY,F)
-0.4
DIFFERENTIAL AMP
R225
0.7
47k
0.1
0.1
-1
-2
Q202
2SA1618-YGRTE85R
-29.1
DIFFERENTIAL AMP
-29.1
-29.1
Q205
ISC3244AS1-T112-E
DRIVE AMP
R220
R237
R219
R223
D202
1.5k
1.5k
33k
100
DA2J10100L
R216
R217
2.2k
10k
14.3
2
R925
R927
22
2.2
5.6
T901
Q911
5.6
DC/DC CONVERTER
FKV550N
S
TRANSFORMER
R922
5.4
SWITCHING
1k
Q908
DRIVER
C914
RTAN140C-T112-1
1
4
0.1
DRIVER
TP7
TP8
2
5
C915
5.4
3
6
R924
Q909
Q910
2200
1k
RTAN140C-T112-1
FKV550N
16V
DRIVER
SWITCHING
S
5.6
DRIVER
2
R926
R928
5.6
22
2.2
14.3
9
9
12
13
14
15
Q110
2SC5100-P
30
30
POWER AMP
1.3
0.7
R128
Q108
22k
KTC1027-Y-AT/P
1.3
1.2
0.7
DRIVE AMP
0.6
R130
R126
Q107
2.2
680
ISA1235AC1-T112-1EF
-0.8
0.6
BIAS
-0.3
Q106
R132
R127
2SC3052F-T1-LF
C114
R129
0.1
-0.8
220
0.1
220
5W
BIAS
R131
2.2
-0.8
-0.3
-0.8
-0.3
-29.6
Q109
Q111
KTA1023-Y-AT/P
2SA1908-P
-30.3
DRIVE AMP
POWER AMP
Q210
2SC5100-P
30
30
POWER AMP
1.3
0.7
R228
Q208
22k
KTC1027-Y-AT/P
1.3
1.2
0.7
DRIVE AMP
0.6
R230
R226
Q207
2.2
680
ISA1235AC1-T112-1EF
-0.9
0.6
BIAS
-0.3
Q206
R232
R227
2SC3052F-T1-LF
C224
R229
0.1
-0.9
220
0.1
220
5W
BIAS
R231
2.2
-0.9
-0.3
-0.9
-0.3
-29.6
Q209
Q211
KTA1023-Y-AT/P
2SA1908-P
-30.3
DRIVE AMP
POWER AMP
Q313
R323
Q315
R325
KTC3198GR-A
10
KTC3198GR-A
10
+13V REGULATOR
+13V REGULATOR
30
13.2
30
13.2
R320
13.8
13.8
3.3k
C305
C307
C312
560
0.01
0.1
UDZSUSTE-1713B
50V
C306
C308
C313
560
0.01
0.1
UDZSUSTE-1715B
50V
R321
3.3k
-14.9
-14.9
-30.3
-14.3
-30.3
-14.3
Q314
Q316
KTA1266GR-AT
R322
KTA1266GR-AT
R324
10
10
-15V REGULATOR
-15V REGULATOR
R318
1k
Q307, 308
ZERO LEVEL DETECT
Note: When replacing the Q110, Q111, Q210 and Q211 on the MAIN board, refer
to "NOTE FOR REPLACEMENT OF THE TRANSISTORS" on page 2.
XM-N502
16
17
18
19
GND
TP16
+12V
TP17
REM
F901
25A
32V
TP21
+
TP22
L
30
R133
–
10k
SPEAKER
BTL
Q112
TP19
OUT
2SC3052EF-T1-LEF
0.2
13.9
+
OVER LOAD DETECT
R
TP20
0.2
–
R139
R140
15k
10k
0.2
0.2
C115
0.047
-30.3
R134
2.2
R135
100k
30
R233
10k
Q212
2SC3052EF-T1-LEF
0.2
13.9
OVER LOAD DETECT
R239
0.2
R240
15k
10k
0.2
R235
100k
0.2
C215
0.047
-30.3
R234
2.2
TP10
C311
0.01
TP14
Q317
R327
KTC3198GR-A
10
+13V REGULATOR
30
13.2
13.8
D305
C920
100
16V
TP9
CAM001
D306
C919
100
(CHASSIS)
16V
CAM002
-14.9
(CHASSIS)
CAM003
-30.3
-14.3
Q318
(CHASSIS)
KTA1266GR-AT
R326
CAM004
10
-15V REGULATOR
TP15
(CHASSIS)
CAM005
TP11
(CHASSIS)
Q307
2SC3052EF-T1-LEF
14.2
0.1
Q308
2SC3052EF-T1-LEF
14.2
0.1
C317
R319
100
100k
16V
CN903
Publicidad
