9
9
MZ-B50
PRINTED WIRING BOARDS – MAIN Section(1/2) – (Last digit –21:US, CANADIAN MODEL)
D301
C-10
D302
B-10
D303
H-8
D501
F-5
D602
D-3
D603
D-9
D901
D-7
D905
C-7
D906
C-7
IC301
H-8
IC302
C-5
IC303
B-8
IC304
B-4
IC305
G-9
IC307
F-9
IC308
H-9
IC309
H-10
IC310
G-9
IC311
F-10
IC501
F-5
IC502
F-6
IC504
G-7
IC505
F-7
IC601
E-8
IC602
D-8
IC603
D-4
IC604
D-8
IC605
D-8
IC801
H-6
IC802
H-7
IC803
H-7
IC804
H-6
IC901
D-6
IC904
B-2
IC905
D-3
IC906
F-4
Q101
B-9
Q102
B-9
Q103
B-4
Ref. No.
Location
z
Semiconductor Location
Q104
I-9
Q105
I-9
Q106
C-6
Q201
B-9
Q202
B-9
Q204
H-9
Q205
H-9
Q206
C-6
Q301
B-9
Q303
B-10
Q304
G-10
Q305
B-8
Q306
C-8
Q307
C-9
Q308
C-9
Q309
C-10
Q312
H-10
Q313
G-8
Q314
G-8
Q315
G-10
Q316
H-10
Q321
C-8
Q322
H-10
Q325
C-9
Q331
F-8
Q332
F-8
Q333
G-8
Q334
I-8
Q338
B-4
Q501
D-5
Q603
C-5
Q604
C-5
Q605
D-8
Q607
D-9
Q809
I-7
Q901
B-3
Q904
B-7
Q905
B-3
Q906
B-3
Q907
F-4
Ref. No.
Location
2
3
4
5
6
7
8
9
10
11
A
1
B
C
D
E
F
G
H
I
C107
C207
R209
C205
C223
C227
C105
FB333
FB308
R129
R109
FB309
R229
Q309
BCE
Q202
BCE
Q102
BCE
Q605
Q301
R107
R205
R213
R113
R214
R114
R220
R120
R203
R122
R219
R227
C317
FB307
R207
R208
R108
R322
R305
R228
R617
R615
C635
C632
R127
R119
R103
R934
C918
R919
R921
R912
R929
C910
R913
C527
C528
R519
R939
R931
R927
C923
C927
C928
R112
R212
C325
C321
R247
C216
R248
R230
R130
R249
R317
R111
R211
C111
C211
R930
C931
C930
R928
C922
R938
R522
C921
C925
R105
R621
R128
C319
R301
C617
C618
C619
C631
R618
R620
R223
R123
C311
C313
C314
C316
FB302
FB301
FB306
FB305
G
S
D
Q201
G
S
D
Q305
Q303
Q307
Q325
G
S
D
Q101
G
S
D
Q607
Q308
Q321
Q306
D302
3
2
1
4
5
D301
3
2
1
4
5
R316
R314
R354
R246
R206
R110
R126
R121
R221
R226
R366
R379
C510
C519
C801
R833
R831
R830
R848
R850
C532
R524
R525
R526
R849
R636
R851
R527
R528
C535
R529
R530
R852
C525
C520
C521
R610
C214
C118
C218
R218
R309
R118
R148
R606
R612
R611
R147
C116
R149
R117
C114
C318
C327
R319
R318
C326
R217
R604
R605
R614
R607
R613
C961
R946
R947
C608
C600
C604
R945
R940
R941
C908
R908
R907
C905
R944 C933
C612
C607
C512
C810
R802
C807
R813
R812
C814
C537
R377
R224
R210
R324
C331
R222
R323
R124
R106
R344
R343
R342
C119
C352
C351
C344
R325
R347
R350
R338
R140
C132
C230
C232
C235
C236
C130
R153
C136
R253
C135
C142
R152
R151
R251
R252
C242
R143
R243
C308
C309
C303
C301
C310
C224
C225
R345
R378
C630
C202
C102
R240
R134
R349
R234
C345
C346
C333
C305
C219
C124
C125
R146
R326
C370
C355
C341
C340
C335
C215
C126
C226
R602
C115
C108
C208
C137
C237
FB244
FB144
C633
C127
C123
C932
C919
R905
C533
C536
R807
R804
R803
C534
R935
R909
R201
R101
C217
C117
R838
R506
C960
C902
C907
C620
C622
C623
C621
D603
CN802
Q315
BCE
Q304
Q316
Q105
Q104
Q205
Q204
Q312
Q334
Q314
Q333
Q332
Q313
B E
C
Q331
Q809
D
S
G
Q904
Q206
B
E
C
Q106
B
E
C
Q338
C602
Q103
B
E
C
GS
D
Q603
Q604
Q501
G
S
D
Q907
B
E
C
Q901
Q906
D
S
G
Q905
1
5
10
15
17 20
25
3032
33
35
40
45
48
49
50
55
60
64
16
1
1
4
8
5
4
1
5
10
6
8
4
5
3
1
5
IC802
IC804
IC803
IC504
IC505
IC603
IC906
IC605
IC311
IC303
IC604
1
4
8
5
5
1
37
4
5
3
1
1
5
10
15
30
25
20
16
40
45
48
24
20
15
13
3
8
5
1
12
10
5
1
25
30
35
36
4
1
1
3
5
4
1
4
8
5
4
5
IC601
13
12
10
25
30
35
36
15
20
24
48 45
40 37
IC602
16
9
10
15
1
5
8
IC901
IC501
1
5
10
15
20
22
44
40
35
30
25
23
IC905
4
5
3
1
IC304
4
5
3
1
IC302
5
8
4
1
IC904
1
3
5
4
IC305
IC309
1
1
3
3
5
5
4
4
MAIN BOARD (SIDE A)
5 1
CN602
1 5 10 15
CN501
22 20 15 10 5 1
C808
C376
C343
C334
C363
C935
C209
C915
C324
C315
C348
C212
C806
C524
C306
C112
C302
C364
C139
C239
C637
C530
C605
C601
C615
C140
C240
C109
C101
C304
C307
C336
C529
C614
C936
C924
C113
C1001
C110
IC301
C210
C103
C339
C203
C337
C365
C369
C911
C913
C323
C322
C320
C213
C603
L302
D906
D905
D901
J301 (1/2)
LINE IN
(OPTICAL)
J303
MIC
(PLUG IN POWER)
S
D
G
YEL
VIO
BLK
RED
L502
FB505
X501
MD
MECHANISM
OPTICAL PICK-UP
BLOCK
LCX-2R
CN801
30 25 20 15 10 5 1
SWITCH & LCD
MODULE UNIT
S808
IC308
5
8
4
1
IC310
5
8
4
1
IC307
5
8
4
1
*
IC502
*
IC801
L301
L501
L303
RB303
X802
X801
D501
BP801
SHORT: TEST MODE
OPEN: NORMAL MODE
SP1
SPEAKER
MIC2
MIC
MIC1
MIC
BATT BOARD
A
21
(21)
1-678-842-
B
E
C
BE
C
BE
C
BE
C
BE
C
S
D
G
S
D
G
Q322
S
D
G
B
E
C
ECB
BE
C
B
E
C
D602
L801
D303
ECB
BCE
ECB
GND
SWITCH
UNIT