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HCD-RG490/RG590
45
45
HCD-RG490/RG590
7-22. SCHEMATIC DIAGRAM – MIC. AUX. HP Board –
•
See page 62 for IC Block Diagrams.
R824
R825
EP701
C865
C856
C859
R854
C861
R855
D851
R860
C870
C869
C868
C867
R859
R858
R857
C864
IC802
R821
R862
R861
R852
R853
R851
C851
C858
C857
C854
C852
C853
R820
R811
R819
C810
C811
R812
IC801(1/2)
C808
C805
C803
C807
R808
R810
R809
C809
R807
C818
C819
R816
R815
C817
C814
R813
IC801(2/2)
C816
R814
R818
C813
R817
C815
JR801
JR802
R804
R805
R803
R806
C802
Q801
C801
C833
EP801
C783 C784
C820
R826
R827
R823
C781
C782
R856
C863
C862
VR851
R801
R802
R832
C821
R831
J701
J702
VR801
JK801
JK802
22k
1k
4700p
4700p
0.1
47k
1
50V
22k
UDZW-TE17-5.1B
100k
47
16V
47 16V
0.022
0.047
22k
22k
22k
1000p
M65850FP
10k
470
470
22k
22k
22k
1
50V
0.47
50V
0.47
50V
0.022
1000p
0.047
22k
47k
470k
470p
0.1
50V
100
BA4558F-E2
220p
0.022
0.022
1000p
10k
1k
100k
10
16V
10k
10
16V
0.1
100k
100
2.2
50V
2.2
50V
10k
BA4558F-E2
220p
220k
4.7k
100
16V
4.7k
47p
0
0
0
100k
4.7k
100k
1000p
2SC3052
10
16V
0.1
0.1
0.1
1000p
1k
10k
2.2k
10k
2.2
50V
0.047
50K
4.7k
0
470k
1000p
470k
50KA
∗
∗
MIC SIG
MIC +9V
D-GND
A-GND
O-HP/AUX
O-MIC-DET
D-GND
HP-GND
L-OUT
R-OUT
HP-GND
(CHASSIS)
(CHASSIS)
ECHO LEVEL
DIGITAL ECHO
NC
LPF1IN
LPF1OUT
OP1OUT
OP1IN
CC1
CC2
GND
NC
VCC
CLOCK
REF
OP2IN
OP2OUT
LPF2IN
LPF2OUT
AUX-IN-LCH
AUX-IN-RCH
13
1
1
2
3
4
MIC AMP
MIC LEVEL
MUTING
∗
C781,782
1000p(RG490:E2,E51,AR/RG590:E2,E51,AR)
2200p(RG490:AEP,RU,E3,EA,AUS/RG590:AEP,UK,RU,E3,EA)
7
8
5
6
(RG490:MX/RG590:MX)
RG490:E2,E51,AR/
RG590:E2,E51,AR
RG490:MX/
RG590:MX
PHONES
AUDIO IN
MIC 1
RG590:MX
RG490:MX/
MIC
MIC 2
RG490:E2,E51,AR/
RG590:MX
RG490:MX/
EXCEPT
RG490:MX/
RG590:MX
RG590:MX
RG490:MX/
RG590:E2,E51,AR
RG490:AEP,RU,E3,EA,AUS
/RG590:AEP,UK,RU,E3,EA
RG490:E2,E51,MX,AR/
RG590:E2,E51,MX,AR
(Page 38)
(Page 42)
Ver. 1.1
Summary of Contents for HCD-RG490; HCD-RG590
Page 22: ...22 HCD RG490 RG590 MEMO ...