XL-1500 (serv.man3). Notes and Block Diagrams - Sharp Audio Service Manual (repair manual). Page 2

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XL-1500H
– 20 –
WAVEFORMS OF CD CIRCUIT
NO DISC FOCUS SEARCH 
STOP    PLAY
FOO
1
TMAX
1
IC801 33pin
 
FO+
2
SBOK
2
IC803 26pin
IC801 8pin
FO-
3
DMO
3
IC803 25pin
IC801 41pin
FOCUS SEARCH    TOC IL
STOP    PLAY
SEL
1
TEI
1
IC801 38pin
 
FEI
2
TRO
2
IC801 29pin
IC801 34pin
TEI
3
FMO
3
IC801 31pin
IC801 40pin
STOP    PLAY
CUE
FEI
1
TEI
1
IC801 29pin
 
SBAD
2
TRO
2
IC801 30pin
IC801 34pin
RFO
3
FMO
3
IC802 22pin
IC801 40pin
STOP    PLAY
REVIEW
FEI
1
TEI
1
IC801 29pin
 
RFGO
2
TRO
2
IC802 19pin
IC801 34pin
RFRP
3
FMO
3
IC802 17pin
IC801 40pin
STOP    PLAY
TCD-782 TNO-02 PLAYBACK
TEI
1
LO
1
IC801 31pin
TRO
2
IC801 34pin
RO
2
SBAD
3
IC801 30pin
1
2
3
4
6
7
11
15
16
17
IC801 53pin
IC801 31pin
IC801 31pin
IC801 31pin
IC801 16pin
5
6
5
7
8
5
9
10
6
11
12
13
14
6
11
15
6
11
15
IC801 50pin
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