Sharp 66FW-54H (serv.man8) Service Manual ▷ View online
September, 1999
66FW53H
Slide Number 14
3v3 Regulator
D724
2v7
2v7
D725
Q712
Q710
Q711
R751
1k
1k
R755
390
390
R758
100
100
R754
2R7
2R7
3v3
C1027
470
470
5v
September, 1999
66FW53H
Slide Number 17
Communication Paths
Dolby
Processor
Processor
Video/Sync
Processor
Processor
Tuner
Multi-Sound
Processor
Processor
I2C Bus (2)
I2S Bus
NVM
(eeprom)
(eeprom)
NVM
(eeprom)
(eeprom)
I2C Bus (1)
Slave
Processor
Processor
MegaText
M3 Bus
IC1001
(CPU)
(CPU)
OTP
Main Reset
Reset out (1)
Reset out (2)
AV Link Data
Reset out (2)
AV Link Data
Hout (H-Mute)
AFT-1
AFT-2
AFT-2
IF
IC2028
Protection
Page
Store
Store
September, 1999
66FW53H
Slide Number 20
Reset-In/Line and Audio Mute
1
2
3
100nF
5v
C1028
IC1005
Main
Reset
Reset
HOUT
IC1001 pin 57
IC1001 pin 57
3v3
Mute
Q1004
R1047
10k
10k
R1049
10k
10k
R1044
10k
10k
R1005
4k7
4k7
C1033
68nF
68nF
3v3
D1009
R626
4k7
4k7
Q607
Line Drive
September, 1999
66FW53H
Slide Number 21
Reset-out (1)
3v3
5v
To Y/C circuit
IC801 pin 2
IC801 pin 2
R1054
100k
100k
Q1007
R1053
100k
100k
From IC1001
pin 54
pin 54
R1043
8k2
8k2
H
H
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