HCD-GPX33/GPX55/GPX77/GPX88
HCD-GPX33/GPX55/GPX77/GPX88
43
43
6-21. SCHEMATIC DIAGRAM - MIC Board (GPX88) -
6-20. PRINTED WIRING BOARD - MIC Board (GPX88) -
• See page 27 for Circuit Boards Location. •
: Uses unleaded solder.
1
A
B
C
D
E
F
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
IC2050
J2050
ET2050
RV2050
C2051
C2052
C2057
C2060
C2065
C2054
C2055
C2067
C2070
C2071
16
3
NO2050
JL2050
JL2051
JL2052
JL2053
JL2054
JL2055
JL2056
JL2057
JL2058
JL2059
JL2060
JL2061
JL2062
JL2063
JL2064
JL2065
JL2066
JL2067
JL2068
JL2069
JL2070
JL2071
JL2072
JL2073
JL2074
JL2075
C2053
Q2051
E
C2056
C2058
C2059
C2061
C2062
C2063
C2064
C2066
C2069
C2073
D2050
C2074
R2050
R2051
R2052
R2053
R2054
R2055
R2056
R2057
R2058
R2059
R2060
R2061
R2062
R2063
R2064
R2065
R2066
R2067
JR
JR2001
JR
JR2000
D2051
JL2076
Q2050
E
JL2077
MIC BOARD
(GPX88)
1-887-481-
12
(12)
C
MB BOARD
CN150
(Page 28)
MIC
MIC LEVEL
MIN MAX
(CHASSIS)
1
A
B
C
D
2
3
4
5
6
7
8
9
10
11
12
MIC BOARD
(GPX88)
(CHASSIS)
9
4.2
0
4.6
4.6
4.6
0
4.6
4.6
4.6
4.6
4.6
E
S
1
3
4
5
6
C2073
1000p
470
R2052
JL2070
JL2067
JL2074
RV2050
MIC LEVEL
MIN MAX
50k
JL2077
D2050
DA2J10100L
JL2050
100
R2055
JL2059
JL2054
3.3k
R2056
JL2072
1M
R2051
JL2075
JL2062
1M
R2050
1k
R2065
1k
R2066
JL2069
Q2050
LSAR523UBFS8TL
JL2071
220k
R2053
10k
R2060
JL2056
JL2057
JL2073
JL2064
ET2050
10k
R2067
JL2051
C2069
1000p
33k
R2064
10k
R2057
100k
R2054
J2050
MIC DRIVER
MIC DRIVER
C2051
0.1
50V
C2052
10
50V
C2074
1000p
Q2051
RHK005N03T146
C2064
220p
33k
R2063
C2066
1000p
JL2065
JL2068
10k
R2061
C2065
220 10V
JL2066
JL2061
100k
R2059
C2059
680p
100k
R2058
220p
C2058
JL2060
C2056
68p
JL2058
IC2050
BA4558F
1
OUT A
2
-IN A
3
+IN A
4
GND
5 +IN B
6 -IN B
7 OUT B
8 VCC
JL2063
C2060
220 10V
C2054
2.2 50V
C2057
0.1
50V
C2055
0.1
50V
C2067
2.2
50V
C2071
2.2 50V
C2070
2.2
50V
NO2050
6P
MIC DETECT
MIC SIGNAL
MIC GND
A+9V
JL2053
JL2052
C2053
0.1
C2063
0.1
C2061
0.1
R2062
10k
C2062
0.1
D2051
BAV99-215
JL2076
MIC
MIC AMP
IC2050
A
MB BOARD
(8/9)
CN150
(Page 37)