— 14 —
PCB VIEW AND MAJOR CHECK POINTS
JE
JE
0
W
5
1
1
JF
5
3
2
1
BK
17
R
1
JC
12
12
1
1
JD
JA
16
JB
1
W
BL
R251
R252
R253
R254
R255
R256
R257
R258
R259
R260
R283
R282
R281
R280
R279
R278
R277
R276
R220
R221
R222
R223
R224
R225
R226
R227
R228
R229
R230
R231
R232
R233
R234
R262
R263
R266
R264
R265
R236
R237
R238
R241
R240
R239
R244
R246
R247
R248
R271
R272
R273
R275
R245
R243
R235
R242
R268
R267
R269
R158
R140
R141
R139
R150
R151
R152
R153
R154
R155
R156
R157
R126
R125
R124
R123
R129
R128
R131
R130
100
100
100
100
5
5
5
5
5
5
75
75
125
125
R195
R194
R193
R192
R219
R218
R250
R249
R103
R102
175
175
300
300
300
R114
R116
R115
175
175
R199
R198
R197
C119
C118
C131
C130
225
125
100
75
100
75
5
150
75
75
R168
R163
5
175
200
300
150
200
R184
R183
R182
R181
R178
R179
R180
175
250
200
275
250
275
225
250
175
300
100
100
225
175
100
125
5
5
200
100
100
100
75
75
100
150
150
150
225
100
275
125
225
125
150
150
75
75
175
5
75
200
100
125
175
100
75
5
150
75
150
100
150
75
5
250
75
150
5
100
125
175
5
75
100
C214
R161
C161
J104
C160
C162
R159
C188
C136
R143
C135
FB107
C137
R136
C189
1
C195
17
JB
C173
C172
C163
W
L111
C179
C178
R188
LSI105
R274
L110
PR
BL
C199
125
100
75
150
5
5
75
125
C196
C184
FB113
FB114
C191
C190
R217
R216
X102
R210
C197
IC106
C192
C193
LSI106
LSI104
R207
C180
C187
C177
R206
C181
FB112
C186
C194
R215
R209
R208
250
R270
LVDD
JD
12
1
JA
16
C150
C149
C148
1
IC103
R135
C133
C132
C185
C152
D106
R133
R261
R186
R187
R162
Q107
L108
C125
R144
R160
C153
R167
C126
R164
Q108
BB
EE
FB104
C171
C122
C171
C159
C124
C170
LSI101
IC107
R172
R171
R166
C176
C144
C143
C155
R169
IC105
C196
R174
R176
C198
C200
LSI107
EB
EB
EB
E
B
E
B
E
B
E
B
E
B
Q116
Q115
Q114
Q113
C175
R202
R203
R204
R205
R201
Q112
Q111
Q110
Q109
R200
R191
R190
5
12
1
JC
MC101
C134
C167
C141
C142
R137
D108
C156
FB110
FB109
R175
X101
5
R177
C166
VDD
R149
C157
C102
R138
Q106
C147
E
B
C168
R165
R173
R142
R185
FB105
FB106
C213
C154
C174
C165
R170
R146
R145
C128
C129
R121
5
R120
C123
5
C164
C139
C138
100
IC104
C146
31
R147
R148
C145
R134
C140
D109
D102
C104
C182
L101
L102
BK
R
PZ
5
5
R108
D107
R293
Q105
E
B
Q122
C211
R294
Q121
IC101
R295
3
1
B
E
B
E
C212
J102
FB102
FB103
R111
R112
L107
J103
C117
C114
C115
L106
R118
C107
R113
C116
R117
C111
C108
C113
R291
R110
AVDD
C127
C110
VC
D105
Q104
D112
C120
R127
R132
C121
D101
R292
C103
DVDD
R106
Q103
E
D111
VCC
B
C112
E
E
E
E
E
R104
R105
C101
Q101
Q102
B
L103
O
W
PS
L104
FB111
EF101
EF102
1
2
3
JF
NO.
JE
1
5
D104
J101
D103
L121
C105
MAIN VOL
VR101
5
JE
1
31
2
3
3
3
R214
R212
R211
R213
LSI103
LSI102
EF103
MC102
IC102
GR
GR
20
21
23
23
6
7
3
5
1
4
2
13
12
14 15
Содержание Oriental Maestro AT1
Страница 1: ...ELECTRIONIC KEYBOARD AT 1 without price...
Страница 17: ...15 SCHEMATIC DIAGRAMS PCB JCM719 MA1M 8 9 10 11 2 21 12 13 14 15 20 1 4 3 5 6 7 22 23...
Страница 18: ...16 PCBs JCM719 CN1M CN2M MA2M 19 16 17 18...
Страница 19: ...17 PCBs JCM617T KY1M KY2M...
Страница 28: ...8 11 10 Nishi Shinjuku Shinjuku ku Tokyo 160 Japan Telephone 03 3347 4926 May 1995...