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A
B
PRINTED CIRCUIT BOARD VIEWS-2B
U002
01.+5.0VDIS
09.MICDET
BADIS-0654
02.KEY0
10.GNDDG
03.KEY1
11.GNDDG
1
04.N.C
12.VOLB
05.GNDA_AUX
13.KEY2
(U0020 to U0024)
06.LEDTHRU
14.VOLA
07.AUX_V
15.KEY3
08.N.C
16.+3.3S
B-side view
23
20
C7021
C7022
10
1
2
1
1
L7504
3
5
1
R922
1.POWERD
4.+12VD_ST
2.+10VS
5.POFF
3.GNDDG
4
QPWBCDIS0654B1
25140659
1
5
C
17.REMIN
18.KEYINT1
19.FLDRST
20.KEYINT0
21.FLDCS
22.FLDSDO
23.FLDCLK
R7126
R7125
R7124
7
1
R7107
R7410
Q7403
L7301
L7503
R7313
L7302
L7501
C921
R2117
R2133
Q2111
R2134
1
1
Q2110
Q9020
DIP
D
E
R7001
R7108
R7109
R2201
1
QPWBCDIS0654B1
25140656
C9027
Q2200
1
R2331
14
C2014
R2009
R2008
R2332
1
27
Q2001
Q2600
R2360
40
R2601
D9014
R2602
D9015
R2361
R9014
R2003
B-Side
QPWBCDIS0654B1
TX-SR309/ HT-R290/ HT-R390/ HT-R548/ HT-R590/ HT-RC330
F
G
R7008
C7032
C7012
C7010
R7006
C7007
R7003
R7119
R7002
R7118
R7110
R7111
R7112
25140654A
1
QPWBCDIS0654B1
7.KEY1_1
6.KEY0
5.LEDTHRU
4.KEYINT0
7
3.KEYINT1
2.KEY2_1
1.GNDDG
1
R2337
R2338
1
1
1
Q2304
R2311
C2380
QPWBCDIS0654B1
25140658
H
5.+3.3VMPU
4.FLAC2
3.-VP
2.FLAC1
1.+3.3VMPU
7
1
5
7.KEY1_1
6.KEY0
1
5.LEDTHRU
4.KEYINT0
3.KEYINT1
2.KEY2_1
1.GNDDG
C7043
R7113
HOLDER
QPWBCDIS0654B1
25140655
1
HOLDER
5
1
1
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