Schematic Diagram - Mic. Aux. Hp Board - Sony HCD-RG490 Service Manual

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