Schematic Diagram - Audio, Mic, Headphone Boards - Sony HCD-GX255 Service Manual

6-26. SCHEMATIC DIAGRAM – AUDIO IN, MIC, HEADPHONE Boards –
(E2,E51,AR,MX)
(E2,E51,AR)
(MX)
JK801
MIC 1
JK802
MIC
(E2,E51,AR)
MIC 2
(MX)
C833
0.1
W801
(CHASSIS)
(SUFFIX-11)
CN751
5P
MAIN BOARD
F1
(2/3) GND
CN065
LINE IN-R
(Page 34)
GND
LINE IN-L
MAIN BOARD
F2
(2/3)
DETECT
CN065
(Page 38)
(SUFFIX-12)
HCD-GX255/RG170/RG470
• See page 61 for IC Block Diagrams.
JR801
(E2,E51,AR)
0
R801
JR802
4.7k
0 C805
R802
0.022
2.2k
R803 R804 C803
4.7k 2.2k 0.022
R805
100k
C808
220p
Q801
2SC3052
MUTING
R808 R810
10k 1k
C809
10
16V
R817
4.7k
C815
47p
R818
R813
4.7k
10k
C814
2.2
50V
J751
AUDIO IN
R751 R752
10k 2.2k
(MX)
MIC AMP
R861
470
IC801(1/2)
BA4558F-E2
C811
3
0.1 50V R862
1
470
2
4
R811
47k
R819 R812
220k 100
VR801
C810 50K
ECHO AMP
470p
MIC IC802
M65850FP
LEVEL
C818
10
16V
IC801(2/2)
8
BA4558F-E2
5
6
7
C817 R815
2.2 100
50V C851
R814 220k
1 R851
50V 22k
C816 220p
CN801
4P
MAIN BOARD MAIN BOARD
E1 E2
(2/3) (2/3)
CN066 CN066
(Page 34) (Page 38)
(SUFFIX-11) (SUFFIX-12)
MAIN BOARD MAIN BOARD
G1 G2
(2/3) (2/3)
CN061 CN061
(Page 34) (Page 38)
(SUFFIX-11) (SUFFIX-12)
47 47
R856 C863 C862
10k 2.2 50V 0.047
C865
4700p
VR851
50K
C870
C869
47 R859
47 ECHO
16V 22k
16V
LEVEL
C867
0.047
R855
22k
C861
R860 C864
1
100k 1000p
50V
R854
47k
C859
0.1
C852
1000p
C854
0.022
R852 R853
22k 22k
C856
4700p
JW701
CN701
5P
C782 C781
L-OUT 1000p 1000p
HP-GND
R-OUT
D-GND
HP CTL
HCD-GX255/RG170/RG470
J701
PHONES