Service manual

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IY01 (LA7423A)
1. Case Outline : DIP-36S(400mil) Plastic Package
2. Application : VHS VTR Video signal Processor (Y/C single-chip)
3. Maximum Ratings at Ta = 25°C
48
PIN MODE STOP REC PLAY REW/FWD REV/FF PAUSE STILL
1 0 0 4.8 0 4.8 0 4.8
2 2.4 2.4 1.9 2.4 2 2.4 2
3 3 3 3.2 3 3.1 3 3.1
4 2.3 2.3 4.7 2.3 4.7 2.3 4.7
5 2.3 2.3 4.7 2.3 4.7 2.3 4.7
6 3.1 3.1 3 3.1 3 3.1 3
7 0 0 3.6 1.8 3.6 1.8 3.6
8 3.1 3.1 3.1 3.1 3.1 3.1 3.1
9 2.1 2.1 2.1 2.1 2.1 2.1 2.1
10 0 0 0 0 0 0 0
11 1.1 1.1 1.1 1.1 1.1 1.1 1.1
12 2.5 2.5 2.5 2.5 2.5 2.5 2.5
13 2.5 2.5 2.5 2.6 2.5 2.6 2.5
14 2.5 2.5 3.3 2.5 3.3 2.5 3.3
15 2.1 2.1 2.1 2.3 2.1 2.3 2.1
16 2.1 2.1 2.1 2.1 4.6 2 5
17 3.9 3.9 3.8 3.9 3.8 3.9 3.8
18 2.8 2.8 2.7 2.8 2.7 2.8 2.7
19 2.7 2.7 2.7 2.7 2.7 2.7 2.7
20 2.7 2.7 2.7 2.7 2.7 2.7 2.7
21 1.9 1.9 1.9 1.9 1.9 1.9 1.9
22 2 2 2 2 2 2 2
23 1.6 1.6 1.6 1.6 1.6 1.6 1.6
24 5.1 5.1 5.1 5.1 5.1 5.1 5.1
25 4.2 4.2 4.2 4.2 4.2 4.2 4.2
26 0 0 0 0 0 0 0
27 5.1 5.1 5.1 5.1 5 5.1 5
28 1.8 1.8 1.8 1.8 1.7 1.8 1.8
29 0 0 0 0 0 0 0
30 2.7 2.7 2.7 2.7 2.7 2.7 2.7
31 3 3 3.5 3 3.5 3 3.5
32 1.5 1.5 1.8 1.5 1.7 1.5 1.6
33 0 0 0 0 0 0 0
34 3.1 3.1 3.7 3.1 4.6 3.1 4.6
35 0 0 3.6 0 3.6 0 3.6
36 5.2 5.2 3.7 5.2 3.7 5.2 3.7
Parameter Symbol Conditions Ratings Unit
Maximum supply voltage VCC max 7.0 V
Allowable power dissipation Pd max Ta ≦ 65°C 1070 mW
Operating temperature Topg -10 to + 65 °C
Storage temperature Tstg -40 to + 150 °C
Y/C 1CHIP IC LA 7423
4. Pin Operation