Schematic Diagram - Main Section (3/3) - Sony HCD-EC50 Service Manual

HCD-EC50
6-9. SCHEMATIC DIAGRAM — MAIN SECTION (3/3) —
CNP802
PLUG CONECTOR
2.5MM 3P
D813
1PS226
JW851 D812
1PS226
R801
2.2k
C818
0
HCD-EC50
• See page 17 for Waveforms. • See page 32 for IC Block Diagram.
L851 L852
COIL-RF AM COIL-LO AM
D851 C855
SVC347A 470p
C852
10p
R851
22k
R808 D803
R804
10k SVC230 R807
0
100k
R805
100k
C804 C820 C819
0.1 1000p
1000p
C806
D814
1000p
1PS226
L804 L805
R803
COIL4.5T COIL3.5T
10
FM-RF FM-LO
C803 0.01 R802 10
C802
0.1
IC801 LV23003VA
C810 0.22
R832 0
C811 0.1
CF802
SFELA10M7
JAA0-BO
CF803
450KHz
JR803 C812 (X55)
0 0.1
L803
AM-IFT
R839
R809
100
1k
R811 R812
C834
4.7k 470
220
10V C843 220p
JW803
C840
0.47
C822
470p R863 22k
JW802
R855
C817
470k
0.1
R816
C841
10k
22
C824
R813 R849 C823
50V
18p
10k 22k 18p
C815 R815 R817
R818
100p 4.7k 10k
47k
C825
0.1
R819 10k
L806 C826 100p
FM-DET
23003
C827
100p
C828 100p
JW804
JW805 C835 0.22
C836 0.22
C829 C830 C848 C847
0.01 0.01 4700p 4700p
26 26
R814
100
Q801
2SC3052F
R827
100
C838
R842
0.1
47k
R830 47k
R843
470k
R829 100k
Q802
2SC3052F
R844 R852
10 22
R845
22
C839
0.1
R841 100
C801
100
16V
R835
4.7k
R846
R834 22k 2.2k
R820 1k
R837 4.7k R859 4.7k
R838 4.7k R860 4.7k