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HCD-GX355/GX555/RG270/RG475/RG575
41
41
HCD-GX355/GX555/RG270/RG475/RG575
6-20. SCHEMATIC DIAGRAM – AUDIO IN, MIC, HEADPHONE Boards –
•
See page 50 for IC Block Diagrams.
R814
C811
C814
R860
C861
IC801(1/2)
D851
R813
C815
R818
R817
C818
C819
R816
R815
C817
R812
C809
R810
R808
C810
R819
R811
C807
R809
C803
R807
C802
R804
R803
R806
C801
R805
R862
R861
R851
C870
C869
C868
R855
R859
R858
R857
C867
C864
C865
C862
C853
C854
R853
R852
C857
C858
C856
R854
C859
C851
C852
C808
R856
C833
IC802
CN801
C816
VR851
C863
R802
R801
Q801
JR801
JR802
JK801
JK802
W801
VR801
CN751
R751
R752
J751
J701
CN701
JW701
C781
C782
IC801(2/2)
C805
C813
220k
0.1
50V
2.2
50V
100k
1
50V
BA4558F-E2
UDZSTE-17-5.1B
10k
47p
4.7k
4.7k
10
16V
0.1
100k
100
2.2
50V
100
10
16V
1k
10k
470p
220k
47k
1000p
100k
0.022
10k
1000p
2.2k
4.7k
100k
10
16V
100k
470
470
22k
47
16V
47
16V
0.022
22k
22k
22k
22k
0.047
1000p
4700p
0.047
0.047
0.022
22k
22k
0.47
50V
0.47
50V
4700p
47k
0.1
1
50V
1000p
220p
10k
0.1
M65850FP
6P
220p
50K
2.2
50V
2.2k
4.7k
2SC3052
0
0
50K
5P
10k
2.2k
5P
1000p
1000p
BA4558F-E2
0.022
100
16V
MIC SIG
MIC +10V
MIC CTL
MIC GND
(CHASSIS)
(E2,E51,AR)
(E2,E51,AR)
MIC 1
(MX)
MIC 2
(MX)
MIC
LEVEL
LEVEL
ECHO
(MX)
GND
LINE IN-R
LINE IN-L
GND
DETECT
AUDIO IN
HP CTL
HP-GND
L-OUT
R-OUT
D-GND
PHONES
MIC
(E2,E51,AR)
MUTING
2
1
4
8
5
6
7
MIC AMP
ECHO AMP
3
(E2,E51,MX,AR)