XM-502Z
Q Q
3 7 6 3 1 5 1 5 0
3-2. SCHEMATIC DIAGRAM • Refer to page 9 for IC Block Diagram and Common Note on Schematic Diagrams.
R104
R101
R105
CN901
R204
R201
R205
C303
R103
C103
R102
R301
C301
C104
C302
R302
CN902
C204
R203
C203
R202
C304
T E
L
1 3 9 4 2 2 9 6 5 1 3
R317
CN903
F901
C901
w w w
C105
C109
R112
R107
C107
R108 R109
R110
R111
IC302(1/2)
IC301(1/2)
SW301
R106
C106
C108
C206
C208
R206
IC301(2/2)
IC302(2/2)
R208 R209
R210 R211
SW301
C209
C207
R207
R212
C205
C314
Q301
R304
R305
D302
IC902
Q302
R306
D301
C305
C916
Q902
R907
L901
R905
IC B/D
R904
R906
D902
D901
D904
C907
D903
Q903
R912
R901
R902
R908
Q904
C903
R903
Q901
C904
C906
R932
C902
x
a o
.
i
http://www.xiaoyu163.com
R118
R121
Q102
R120
R137
R119
R113
VR301
C111
C110
Q101
R218
R221
IC303(1/2)
R114
JR1
R115
R215
IC303(2/2)
Q202
Q201
C210
R214
VR301
R213
R220
R237
R219
R303
Q
Q
3
7
6
C211
T901
D303
R925
R922
Q910
R927
R919
R921
C914
C306
Q908
L301
Q909
C915
C307
R920
R923
R928
Q911
R926
R924
D304
C911
Q905
IC901
C905
R916
R915
C909
C910
Q906
R914
u 1 6 3
y
8
8
http://www.xiaoyu163.com
2
4
8
9
9
D101
R122
R138
Q108
Q104
C112
Q107
R128
R133
Q110
Q112
R130
Q103
R124
R126
C114
Q106
R139
C113
R132
R129
R125
R127
Q105
Q111
R131
Q109
R123
D102
R116
R117
D201
R222
R238
Q208
Q204
C212
Q207
R228
R233
Q210
Q212
R230
R224
R226
C214
Q203
Q206
R239
C213
R232
R229
R225
R227
Q205
Q211
R231
R223
Q209
D202
3
1
5
1
5
0
8
9
R216
R217
Q303
R313
Q304
R314
Q309
R319
R307
C312
C308
C310
D305
C309
C311
D306
C315
C313
R308
D307
R315
R316
R320
Q305
Q306
Q310
R318
C318
R931
LED901
R917
R918
Q907
m
c o
• Waveform
.
1V/DIV, 5µsec/DIV
1
2
8
9
9
CN903
C115
R134
C215
R234
R235
R135
2
4
9
8
2
9
9
Q307
Q308
C317
C316
3.8Vp-p
15µsec
IC901
5