Service manual

9 207
Parts Replacement
Replacement Procedure
9. Parts Replacement
2. Remove the top shield.
3. Disconnect the cables “K” and “L” from the A7 board.
4. Disconnect the cable “D” from the A3 board.
5. Disconnect all cables from the A6 board.
6. Lift the extractors at the top of the A6 board, and lift the A6 board out.
A7 Synthesizer Replacement
Tools Required
• Torx screwdriver, T15
• Pozidriv Screwdriver, pt size #1 (small), #2 (medium)
Procedure
1. Remove the top cover as described in the “Top Cover Removal” procedure.
2. Remove the top shield.
3. Disconnect the cable “D” from the A8 board.
4. Disconnect all cables from the A7 Synthesizer.
5. Lift the extractors at the top of the A7 board, and lift the A7 board out.
A9 Floating Power Supply Replacement
Tools Required
• Torx screwdriver, T15
• Pozidriv Screwdriver, pt size #1 (small), #2 (medium)
Procedure
1. Remove the bottom cover as described in the “Bottom Cover Removal” procedure.
2. Remove the shield (item ¨ in Figure 9-26).