Yamaha yc 45d service manual

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Page
1. Circuit Board Substitution Chart ................................ 1
2. YC-45D Specifications ........................................ 2
3. Panel Diagram ............................................... 4
4. Block Diagram .............................................. 5
5. M Circuit Diagram (1) (2) (3) ........... . . . ............... 6-1 ~ 6-3
6. D Circuit Diagram ........................................... 7
7. i1 ~ 13 Circuit Diagram ...................................... 8
8. UE1 ~ UEECircuitvDiagram ................................... 9
9. UAT1, UAT2 Circuit Diagram .................................. 10
10. UAT3 Circuit Diagram ........................................ 11
11. BM Circuit Diagram .......................................... 12
12. BE Circuit Diagram .......................................... 13
13. v Circuit Diagram ........................................... 14
14. FOR Circuit Diagram ................... , . .1 ...... ............ 15
15. UF1 circuit Diagram ......................................... 16
16. UF2 Circuit Diagram ..................... . ............. ....... 17
17. UF3 Circuit Diagram .......................................... 18
18. LF4 Circuit Diagram ......................................... 19
19. LF Circuit Diagram ............ ' .............................. 20
20. BF Circuit Diagram .......................................... 21
21. POF Circuit Diagram ......................................... 22
22. PS Circuit Diagram ........................................... 23
23. MF Circuit Diagram .......................................... 24
24. A Circuit Diagram ........................................... 25
25. RA (Rack) Circuit Diagram .................................... 26
(1) M, D .................................................. 26
(2) l1, i2, I3 ........... ................................... 27
.(3) UE2, UE3, UE4, UE5 .................................... 28
(4), UAT1, UATZ, U T3, UE1 ................................ 29
(5) FOR, V, BE, BM ........................................ 30
(6) UF4, UF3, UF2, UF1 .................................... 31
(7) POF, BF, LF ........................................... 32
(8) A, MF, PS .............................................. 33
26. UK (Upper Keyboard) Circuit Diagram ........................... 34
(1) Keyboard Circuit ........................................ 34

(2) TR Circuit .............................................. 35 ,
27. LK (Lower Keyboard) Circuit Diagram ........................... 36

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