Daewoo DPC-7200N, Service Manual

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IC BLOCK DIAGRAM & DESCRIPTION
U18 BA5954FM
Pin No. Pin name Function
1. VINFC Focus drive input
2. CFC err1 For connection of capacitor for the error amp filter
3. CFC err2 For connection of capacitor for the error amp filter
4. VINSL + Op-amp input (+) for the sled driver
5. VINSL - Op-amp input (-) for the sled driver
6. VOSL Op-amp output for the sled driver
7. VNFFC Focus driver feedback pin
8. V
CC
V
CC
9. PV cc1 Power V
CC
for sled driver block
10. PGND Ground for Sled Driver block
11. VOSL - Sled driver output (-)
12. VOSL + Sled driver output (+)
13. VOFC - Focus driver output (-)
14. VOFC + Focus driver output (+)
15. VOTK + Tracking driver output (+)
16. VOTK - Tracking driver output (-)
17. VOLD + Loading driver output (+)
18. VOLD - Loading driver output (-)
19. PGND Ground for Actuator driver block
20. VNFTK Tracking driver feedback pin
21. PV
CC
2 Power V
CC
for Actuator driver block
22. GND Ground
23. VINTK Loading driver input
24. CTKerr2 For connection of capacitor for the error amp filter
25. CTKerr1 For connection of capacitor for the error amp filter
26. VINTK Tracking driver input
27. BLAS Bias input
28. STBY Stand
–
By control