NXAMP4x1
22
7. Left (CH1, CH2) PA unit
(Time required: about 15 minutes)
7-1. Remove the top cover. (See procedure 1.)
7-2. Remove the CONTROL circuit board and the OPT
angle. (See procedure 2.)
7-3. Remove the four (4) screws marked [670A], and re-
move the four (4) screw covers marked [660A]. (Fig. 6)
7-4. Remove the six (6) screws marked [220]. (Fig. 6)
7-5. Disconnect the connector assemblies that connects the
left PA unit and other units. (Fig. 6)
7-6. The left PA unit can then be removed. (Fig. 6)
[220]: Bind Head Screw 4x8 MFZN2B3 (--)
[260]: Bind Head Screw 4x8 MFZN2B3 (--)
[660A]: Screw Cover T5N (--)
[660B]: Screw Cover T5N (--)
[670A]: Bind Head Tapping Screw-B 3x8 MFZN2B3 (--)
[670B]: Bind Head Tapping Screw-B 3x8 MFZN2B3 (--)
(Fig. 6)
8. Right (CH3, CH4) PA unit
(Time required: about 15 minutes)
8-1. Remove the top cover. (See procedure 1.)
8-2. Remove the CONTROL circuit board and the OPT
angle. (See procedure 2.)
8-3. Remove the four (4) screws marked [670B], and re-
move the four (4) screw covers marked [660B]. (Fig. 6)
8-4. Remove the six (6) screws marked [260]. (Fig. 6)
8-5. Disconnect the connector assemblies that connects the
right PA unit and other units. (Fig. 6)
8-6. The right PA unit can then be removed. (Fig. 6)
[670A]
[660A]
[660A]
[220]
PA unit
PA unit
[220]
[670B]
[660B]
[660B]
[260]
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