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6-10. SCHEMATIC DIAGRAM - MB Board (4/9) -
1
2
3
MB BOARD (4/9)
A
B
MB BOARD
JL1098
SW-MUTE
23
(7/9)
GND
JL1097
(Page 36)
FR-MUTE
C
JL1007
MB BOARD
SW-L
JL1005
9
SW-R
(1/9)
JL1003
FRONT-L
(Page 30)
JL1001
FRONT-R
D
E
F
G
H
I
J
K
HCD-GPX33/GPX55/GPX77/GPX88
• See page 46 for IC Block Diagrams.
4
5
6
*1
R1018
4.7k
(GPX55/GPX77)
5.6k
(GPX88)
C1011
47 16V
R1001
4.7k
GPX55/GPX77/GPX88
R1015
R1025
C1120
*2
82k
10
50V
Q1048
IMX25T110
C1121
MUTE DRIVER
10
0
R1026
GPX88
50V
*3
-5.6
C1005
47 16V
R1296
-5.6
2.2k
R1003
R1005
R1020
0
4.7k
39k
5.6k
JL1006
*2
R1015
33k
(GPX55/GPX77)
R1298
39k
(GPX88)
100
C1007
47 16V
R1297
100
R1002
4.7k
R1022
*4
AGND
JL1002
R1027
R1008
120k
0
*5
R1300
2.2k
-5.6
-5.6
R1028
120k
0
C1009
R1301
Q902
47 16V
2.2k
IMX25T110
MUTE DRIVER
R1000
R1013
R1024
4.7k
*5
*4
R1299
100
*4
R1022, R1024
4.7k
(GPX33/GPX55/GPX77)
Q1034
2SC5053T100Q
5.6k
(GPX88)
PROTECTION SWITCH
*5
R1008, R1013
22
18
33k
(GPX33/GPX55/GPX77)
39k
(GPX88)
R1182
1k
18
C1025
D1025
10
DZ2J062M0L
50V
D1027
DZ2J120M0L
D1026
DZ2J120M0L
D1028
C1026
DZ2J062M0L
10 50V
-18
R1183
1k
-22
-18
Q1035
DSA700300L
PROTECTION
SWITCH
IC1009
KIA7805AF-RTF/PW
IC1009
+5V REG.
R1358
0
22
I
O
G
C1247
C1245
0.47
0.1
C1246
C1248
0.47
0.1
R1359
0
G
I
O
-22
IC1010
KIA7905F-RTF/PW
IC1010
-5V REG.
18 19
20 21
7
8
9
10
C1050
C1054
R1018
R1034
22p
10 16V
*1
100
R1029
82k
C1061
GPX55/
0.1
-18
0
0
0
GPX77/
4
3
2
1
GPX88
C1035
0.1
IC1001
NJM2068M-D-TE2
IC1001
OR AMP
C1034
0.1
5
6
7
8
0
0
0
18
C1063
0.1
R1031
*3
R1036
C1055
10
100
C1052
16V
22p
*3
R1026, R1031
GPX88
82k
(GPX88)
C1051
10p
0
(GPX55/GPX77)
C1056
10
R1037
R1030
16V
100
120k
-18
0
0
0
4
3
2
1
C1119
C1036
C1062
10
0.1
0.01
50V
IC1002
NJM2068M-D-TE2
IC1002
C1118
OR AMP
C1030
10
0.1
C1064
50V
5
6
7
8
0.01
0
0
0
18
R1032
R1038
C1184
120k
100
10
16V
C1053
10p
JL1088
R1124
10k
R1123
6.8k
R1125
6.8k
R1126
10k
JL1090
D1046
JL1091
BAV70
5
D1047
BAW56
JL1089
-5
22
23
24
25
MB BOARD (6/9)
(Page 35)
33
33
HCD-GPX33/GPX55/GPX77/GPX88
11
12
13
14
GPX88
R1244
4.7
1
C1176
10 16V
2
3
R1240
C1175
3.3k
10
R1243
16V
4.7
4
R1245
4.7
5
C1177
10 16V
6
7
C1178
10
R1246
16V
4.7
8
GPX55/GPX77/GPX88
R1247
4.7
9
C1179
10 16V
10
MB BOARD
11
24
(5/9)
C1180
10
(Page 34)
R1248
16V
4.7
12
C1289
0.1
JL1100
JL1101
0
0
5
5
6
7
8
IC1008
BA4580RF-E2
IC B/D
IC1008
OR AMP
4
3
2
1
-5
0
0
0
JL1061
13
14
C1182
R1249
10 16V
4.7
15
16
C1181
10
16V
17
R1250
4.7
25
26
15
16
17
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