NAD T571AH, Руководство по обслуживанию

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2-3
(L1)
(L1)
(B)
(B)
(C)
(C)
(C)
Power Code
Power
Circuit
Board Main Chassis
MA Ass'y Dpm1
Bracket Main
Jack Circuit Board
(F)
(F)
(F)
(F)
Main Circuit Board
(B)
(B)
(D)
(E)
(D)
(D)
(D)
(E)
(E)
(B)
(B)
(G)
(G)
(G)
(G)
(G)
(G)
Fig. 2-4
Fig. 2-5
1. Disassemble Main circuit board, Jack
circuit board, Power circuit board and
MD Ass'y DPM1.
1. Remove the top case.(See Fig. 2-1)
2. Remove 10 screws (B).
3. Disassemble Main circuit board and Jack circuit
board from Bracket Main.
4. Unscrew 3 screws(C) at Bracket Main.
5. Disassemble Bracket Main from Main chassis.
6. Unscrew 4 screws(D) at MD Ass'y DPM1.
7. Turn the portion the direction of arrow to move
the Base Assembly Tray in front of you.
8. Release the other 3 screws(E).
9. Disassemble MD Ass'y DPM1 from Main chassis.
10. Unscrew 4 screws(F) at Power circuit.
11. Disassemble power circuit board from Main
chassis.
CIRCUIT BOARD DISASSEMBLY
Note: Before removing the main circuit board, be sure to shortcircuit the laserdiode output land.
After replacing the main circuit board, open the land after inserting the flexible connector.
(Refer to Mechanism Disassembly)
2. Digitron and Key Circuit Board
1. Remove the front panel.(See Fig. 2-3)
2. Release 6 screws (G), and remove the digitron
circuit board.