Mitsubishi Electric HS-U449 Service Manual page 71

F901
C901
RV901 L901
C9Y2
R901
C9Y1
R924 C906
R903
IC901 COLLECTOR POWER ON
D902
R904
Q901 C907
300V(p-p)(T=9.1µs)
C910
Q903
C923
C913
R905
R970
R906
JP910
T901
C902
JP930
D901
R930 C905
C908 C924
D910
R908
D905
D908
D903
R907
R967
PC901
ON3131-R / TLP421
R9L1
C918
R922
JP902
D913
D927
JP921 JP922
TPCPMV
L903
R919
R928
C916 C930 D926
C929
D918
D917
C915
D920
L902
R909
D907
R926
R927
R925
R912
C914
L904
C912
C921
C936
R911
IC901
Q906
Q910
C926
R952
R918
R917
D931
R9D3
D919
Q905
R914
Q907
R916
CPMOTORV
Q904
R910
D921
C927
Q909
R915
SW5V
STBY5V
PWV
STBY5V
SW5V
PRT
MOTORV
G12
CONTENTS
PCB-INTERCONNECT ···················· C-1
(POWER) PCB-MAIN ························ C-2
(HIFI) PCB-MAIN ······························ C-3
(TIMER/OPEKEY) PCB-MAIN ·········· C-4
PCB-OPE ·········································· C-4
(Y/C/A) PCB-MAIN ···························· C-5
(CONT) PCB-MAIN ··························· C-6
C-2
HS-U449