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A
QQ
3 7 63 1515 0
PRINTED CIRCUIT BOARD VIEW FROM SOLDERING SIDE 4-1
1
20
J4172
20
J4173
20
J4174
17
J4175
17
J4176
17
J4177
P4610B
P6101A
P4610C
2
15
J4167
15
J4168
15
J4169
12
J4170
12
J4171
12
J4166
C4804
C4802
C4803
C4805
TE
L 13942296513
3
R3605
SBL
R3615
SBR
R3606
R3625
C3681
R3616
R3603
R3626
SL
R3613
SR
R3604
R3623
R3614
R3602
C
R3612
SW
R3607
4
C3680
R3617
R3600
L
R3610
R
R3601
R3611
R4635
R3621
SBL
R4625
SBR
R4636
C4681
R4626
R4633
SL
R4623
SR
R4634
R4624
R4632
C
R4622
www
SW
R4637
5
C4680
R4627
R4630
L
R4620
L
R
R
R4631
.
R4621
http://www.xiaoyu163.com
B
C4601
C4411
J4222B
C4410
C4520
C4526
C4527
C4417
P5004G
C4412
C4214
C4204
J4129
C4203
C4213
P4012A
P4012A
R3806
R4022
R4032
R4042
R4020
28
R4030
R4041
R4040
R4031
R4043
R4033
R4023
R4021
1
28
R4000
1
Q4000
5
R4011
1
R4052
R4050
R4053
R4051
x
ao
y
SBL
C
SBR
SW
SL
SR
i
Preamplifier circuit PC board
http://www.xiaoyu163.com
8
C4401
J4222A
J4221B
C4400
J4184
20
C4244
C4234
J4183
20
C4243
C4233
C4606
C4524
C4525
Q Q
Component side
U31
3
6 7
1 3
C4140
1
15
Q4223
TC9163AF
5
Q4100
14
Q4100
1
Q4221
15
5
TC9164AF
Q4101
14
Q4101
Q4220
1
5
u163
.
C
2 9
9 4
2 8
C4211
C4201
C4200
C4210
C4491
C4217
C4207
J4093
C4402
C4202
C4212
C4216
C4206
J4089
C4605
C4205
C4215
15
J4084
7
J4082
1 5
0 5
8
2 9
9 4
J4083
Soldering side
R4702
R4700
R4701
12
1
Q4213
TC94A07F
Q4203
5
13
24
Q4203
12
1
Q4211
TC94A07F
Q4201
24
5
13
Q4201
12
1
TC94A07F
Q4200
m
24
13
Q4200
co
DTR-8.2
D
9 9
NC
2
25
J4181
20
C4241
C423
J4221A
J4180
20
C4230
C4240
C4522
1
J4187
20
C4247
C423
J4182
20
C4242
J4186
20
C4246
C423
J4185
20
C4245
C423
30
J4062
30
J4063
30
J4064
30
J4059
25
J4061
27
2 8
9 9
J4060
P4011B
1
1
Q42
5
Q4421
1
1
5
Q4210
Q4420
1
1
5
5
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