Pioneer DEH-P900R Service Manual - Page 77
TC74HC393AF, TC9246F, HD74HCT126FP, NJM4580M
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TC74HC393AF 1ck 1 1CLR 2 1QA 3 1QB 4 1QC 5 1QD 6 GND 7 CK D R q CK D R q CK D R q CK D R q D CK R q D CK R q D CK R q D CK R q 14 VCC 13 2ck 12 2CLR 11 2QA 10 2QB 9 2QC 8 2QD TC9246F REF 1 PD 2 VDDA 3 AMPI 4 AMPO 5 VSSA 6 XI 7 XO 8 VCO VAR Phase REF Comparator DEH-P900R,P9050 Lock Detection Circuit Selector Micon Interface Programmable Counter 16 VDD 15 LOCK 14 S2 13 S1 12 M2 11 M1 10 CKO 9 VSS HD74HCT126FP 1C 1 1A 2 1Y 3 2C 4 2A 5 2Y 6 GND 7 14 VCC 13 4C 12 4A 11 4Y 10 3C 9 3A 8 3Y NJM4580M A OUT 1 A-IN 2 A+IN 3 V- 4 A B 8 V+ 7 B OUT 6 B-IN5 B+IN 77
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77
DEH-P900R,P9050
VCC
2
ck
2CLR
2QA
2QB
2QC
2QD
1ck
1CLR
1QA
1QB
1QC
1QD
GND
14
13
12
11
10
9
8
1
2
3
4
5
6
7
CK
R
q
D
CK
R
q
D
CK
R
q
D
CK
R
q
D
CK
R
q
D
CK
R
q
D
CK
R
q
D
CK
R
q
D
TC74HC393AF
VDD
LOCK
S2
S1
M2
M1
CKO
REF
PD
VDDA
AMPI
AMPO
VSSA
XI
16
15
14
13
12
11
10
1
2
3
4
5
6
7
VSS
XO
9
8
Lock Detection
Circuit
Micon Interface
Programmable Counter
Phase
Comparator
VCO
Selector
VAR
REF
TC9246F
VCC
4C
4A
4Y
3C
3A
3Y
1C
1A
1Y
2C
2A
2Y
GND
14
13
12
11
10
9
8
1
2
3
4
5
6
7
HD74HCT126FP
8
7
6
5
V+
B OUT
B-IN-
B+IN
1
2
3
4
A OUT
A-IN
A+IN
V-
A
B
NJM4580M