PRINTED CIRCUIT BOARDS
MAIN, MAIN TRANS, HP, FRONT
Lead-free Solder
When soldering, use the Lead-free Solder (Sn-Ag-Cu).
MAIN (A SIDE)
MAIN TRANS (A SIDE)
FRONT (A SIDE)
FRONT (B SIDE)
MAIN TRANS (B SIDE)
MAIN (B SIDE)
HP (A SIDE)
HP (B SIDE)
INSW
GND
SL-
SL+
SP-
SP+
LOAD+
LOAD-
OPSW
ST+5V
GND-DR
V
P-DOWN
DGND
P-MUTE
+5V
-DR
V
+5V_D
ST+3.3V
+3.3V_D
VP
FIP2
FIP1
MP
BAR CODE LABEL
STBY_CNT
CUP12869Z_A
C188
C199
C187
W102
W101
K100
IC301
IC300
Z104
C189
Z101
Z103
Z102
C309
C208
C160
R380
R370
R245
R244
K101
X100
CN2101
IC100
IC103
IC101
Q300
Q301
R164
R162
R158
R130
R159
R131
R120
R1
18
C139
C138
C146
C143
C305
C202
C173
C326
C207
CN301
C314
C313
K102
R241
R243
R242
R209
R187
R399
R150
L307
L306
L305
L304
L303
L302
L301
L300
L107
L106
L105
L103
L102
L101
C164
C147
IC106
D307
R240
R238
R239
R237
IC108
X302
IC102
IC302
X301
R233
R232
R236
R235
R234
C101
Q102
R336
R331
Q309
Q306
C364
C201
C166
C200
C328
C323
C322
C192
C185
C171
C170
C168
C163
C154
C1
19
C1
17
C1
15
C1
13
C123
C120
S300
B102
B101
CN2801
Q308
Q307
Q305
R230
C302
R229
C222
D305
R375
R365
R327
R325
R312
R313
FCC300
R373
R372
K300
CN2201
C303
R362
R301
R329
D306
R335
R337
R339
R340
R343
R342
R349
R354
C315
D310
D309
C306
R332
R333
X300
CN135
R330
R338
R341
R358
R357
R356
R359
R367
R361
C324
IC303
R364
R366
R363
R369
C334
C333
R368
IC304
C329
C330
C331
C332
C336
C335
C340
C339
C338
C337
C355
R382
C354
R381
C327
R311
R302
R303
R304
R305
R306
R307
R308
D302
D301
D300
D304
C301
C300
R300
R316
D303
R309
R315
R310
Q302
R334
R353
R397
R396
R395
C304
R328
R393
R392
R391
R394
R390
C361
R389
R388
R387
R386
C316
C308
R351
R344
R345
R352
R378
C307
R322
R326
C321
C312
C320
C310
C318
C319
C317
C31
1
R374
C356
R347
R348R350
D308
R346
R314
BK100
C362
R323
R318
R321
R320
R319
R317
R371
R223
R225
R224
R226
R227
R228
IC107
R231
C206
R208
R379
R160
R154
R221
R220
R169
CN1
101
R384
R383
R385
PF
CK10
R377
R376
C102
R219
R398
R175
C198
IC104
R189
R190
R191
C203
R194
IC105
R186
R197
R196
R193
R192
R21
1
R195
C204
C205
R203
R198
R199
R200
R201
R202
R207
R206
R205
R204
R142
R136
R218
C216
R217
R216
R212
R213
C215
R188
R214
R215
C212
C21
1
C210
R171
R1
12
C191
C186
C184
C182
C179
C175
C178
C174
C176
C172
C195
C194
C197
C196
C193
Q101
R185
R184
R182
R180
R183
R181
R172
R174
R173
C183
R166
R167
R163
R165
R161
C165
C167
R157
C161
C141
R125
C156
R124
R135
C153
C144
C148
R102
R101
C107
R170
R111
C105
C104
C103
C110
C112
C111
R103
R104
R105
CWC101
CWC100
R168
R360
R324
C157
C155
R1
10
R108
R107
R109
Q100
R106
L100
C116
C114
C109
D100
R100
C108
C106
R129
R123
R126
R122
C129
R1
14
C135
R1
16
R1
15
C140
R121
R127
R128
R146
R145
R144
R143
C149
R134
R132
R141
C158
R149
R147
R151
R152
R153
C162
C159
C150
R155
C151
R139
R137
R138
R140
C145
C121
C124
C122
T103
T102
T101
C142
R1
17
C118
C132
C131
C128
C133
C125
C130
C134
R113
C126
C127
C137
C136
R1
19
Pb
MI
ICT
FCT1
FCT2
RP
8
5
4
1
2
2
10
5
15
19
18
80
61
60
41
40
21
20
14
15
28
1
2
6
7
1
2
3
8
9
16
25
26
50
51
75
76
100
7
1
13
2
18
19
3
2
1
3
2
8
9
8
4
5
14
7
8
4
8
5
5
2
15
16
8
9
16
48
12
13
24
25
36
37
5
6
Pb
Pb
+12V
GND
-12V
MUTE
RCH
GND
LCH
-->TO CN3301
GAIN2
GAIN1
CUP12870Z_A-6
HEADPHONE UNIT
1
3
2
1
3
2
1
3
2
BK41
J151
J150
J160
J147
J182
J168
J187
J148
J146
J180
J169
J181
J171
R4323
J173
J175
J149
J185
R4423
J183
J186
J124
J174
R4303
R4306
R4304 R4305
R4403
R4406
R4404
R4405
R4308
R4307
R4408
R4407
R4309
R4409
R4310
R4312
R4410
R4412
R4319
R4320
K4301
BN3301
C4309
C4310
C4311
C4406
C4314
C4407
R4314
R4415
R4315
R4416
R4316
R4417
R4317
R4418
V4301
Q4302
Q4303
Q4402
Q4403
Q4301
Q4304
Q4401
Q4404
C4315
C4415
R4302
R4402
R4301
R4401
C4302
C4402
C4303
C4403
C4301
C4401
C4304
C4404
B4301
1
2
3
9
Q4405
Q4406
Q4409
Q4410
Q4308
Q4310
Q4309
Q4408
Q4306
Q4305
Q4307
Q4407
L4308
L4306
L4305
L4401 L4301
R4321
R4318
R4419
R4420
IC4301
R4421
R4322
C4313
C4312
C4405
C4305
C4306
C4307
C4308
L4307
L4304
L4303
L4302
R4313
R4311
R4413
R441
1
Pb
Pb
!
!
Pri.
Sec.
MAIN TRANS UNIT
T 4A
L 250V
T 800mA
L 250V
T 800mA
L 250V
CUP12870Z_A-1
(WHITE)
(BLACK)
T3951
F3951
F3952
F3903
BN3903
BN3902
2
1
11
10
9
8
7
6
5
4
3
5
10
L
N
Pri.
Sec.
Fuse
!
Pb
Pb
KEY2
STB_LED
+3.3V
CHGLED
GND
VOUT
DM
DP
GND
GND
OPEN/CLOSE
NEXT
PREVIOUS
DISC/USB
PAUSE
ST
OP
PLA
Y
CUP12870Z_A-4
FRONT
UNIT
J136
J142
J141
J135
J137
J140
J139
J145
J163
J133
J143
R4004
C4010
R4005
D4001
K4003
C4014
S4002
S4004
S4006
S4001
S4003
S4005
S4007
C4018
FCB300
BN4101
BN1
101
U4003
C4019
U4001
B4002
B4001
1
2
3
4
11
10
18
2
19
1
5
5
43
40
30
4
14
10
ST+3.3V
ST+3.3V
KEY1
STB_LED
FGND
FGND
KEY2
KEY0
VFD_DI
VFD_CLK
VFD_CE
VFD_RST
FL1
ON/OFF
VP
FL2
REMOTE
+3.3V
CHG_LED
1
19
1
2
3
4
5
7
8
9
10
11
12
13
14
15
16
17
18
19
GND
Q4002
R4021
R4001
Q4001
L4004
L4003
L4002
L4001
R4017
R4019
R4020
R4018
R4003
C4012
C4008
C4002
C4009
C4007
C4017
C4016
C4015
C4013
R4006
R4008
R4007
C4011
R4015
R4013
R4012
R4010
R4002
R4014
R4016
R4011
R4009
C4006
C4005
C4001
C4003
C4004
Pb
11
Caution in
servicing
Electrical
Mechanical
Repair Information
Updating
