Block Diagram - Yamaha HTR-5450 Service Manual

A B
1
I BLOCK DIAGRAM (2/2)
2
DVD
C-INPUT
SELECTOR
D-TV/CBL
IC302
Y-INPUT
SELECTOR
VCR
IC301
3
V1, V2
VIDEO
AUX
Q302, 305
Q301, 303
Q304, 306
VCR
V3
4
DVD
INPUT
SELECTOR
IC351
D-TV/CBL
VCR V1, V2
VIDEO
AUX
5
Q351 Q352, 353
VCR
Y3
6
7
C D
See page E-55/J-51 (INPUT) See page E-56/J-52 (OPERATION)
E-35/J-31
E F
DSP
CONTROL
59 60 58
HP-RELAY
18
14 SP-RELAY
15
XL901
39
10MHz
87-90
38
13
VDD
51
45
43
MAIN
V3
VSS
CPU
40
V1, 2
IC902
uPD78F4218AGF
63, 73 –75
46
55-57
47
U901
G H
RX-V520/RX-V520RDS/HTR-5450/HTR-5450RDS/DSP-AX520
IC903 S12
POWER DETECT
/RESET
Q909, Q910
MG
V901
IC901
SW825
SW811~824, 901~904
I J
E-36/J-32