Service manual

1. IN 5. S1B 9. DC 13. S2D
2. S1A 6. S2B 10. S2C 14. S1D
3. S2A 7. DB 11. S1C 15. EN
4. D
A 8. GND 12. DD 16. VCC
1. A OUTPUT 3. A+INPUT 5. B+INPUT 7. B OUTPUT
2. A-INPUT 4. V- 6. B-INPUT 8. V+
IC PI5V330Q
IC NJM4558
87