Schematic Diagram -Main Section (2/2) - Sony XM-554ZR Service Manual

XM-554ZR
1-3. SCHEMATIC DIAGRAM — MAIN SECTION (2/2) —
R805 C805
Q812
CN904
F902
Q905
L901
F901
R915
C918
TP05
R916
R914
R942
D904
TP04
Q906
R918
R919
JC705
R917
C909
C910 Q907
R934 C911
TP01
XM-554ZR
Q811 Q809 Q810
JC725
D802
R807
R808
Q802 R809
D801
C810
IC902
TP19
R935
C919
JC710
Q915
D901
JC712
R940
TP903
R936
C906
D905 TP902
TP901
R939
C920
TP30
R937 R912
R941
D902
C908
Q914
R938 C907
JC711 C903
JC708
JC709
(Page 5)
R926 Q911
R922
Q908
R928
C915
R923
C912
R929
R920 Q910 R932
Q912
R921 R933 C913
R930
R925
C916
R924
Q909 JC701 R931
C914
R927 Q913
IC B/D
Q902
IC903
R902
C904
R903 C902
Q901
JC706
JC707 R910 C905
JC704
JC713
• Waveform
1
IC903 5
3.3 Vp-p
18 µ sec
1 V/DIV, 10 µ sec/DIV
6 6
Q807
TP22
T901 C819
D803
TP26
TP23
R814
C821
L801 C817 D805 C824
C822
C825
C818 D806
R815
TP24
TP27 D804 C820
JC714
Q808
TP25
D807
R810
C901
R904
D918
R901 Q903
R811
R905
JC703 JC702 C917
• IC Block Diagram
IC903 TL594INSR (MAIN BOARD (2/2))
16 15 14
ERROR
ERROR
0.1V
1 2 3
TP28
C826
C823
C827
TP29
Q803
Q804
C813
C811 R812
Q805
Q806
C814
C812 R813
13 12 11 10 9
REF 5V
Q1
Q2
OSC
4 5 6 7 8