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]
Summary of Contents for NXAMP4X1
Page 36: ...NXAMP4x1 36 B B CONTROL Circuit Board Pattern side 2NA WJ97120 10 2 ...
Page 37: ...NXAMP4x1 37 B B Pattern side 2NA WJ97120 10 2 ...
Page 40: ...NXAMP4x1 40 OUTANL Circuit Board 2NA WJ97320 10 Pattern side ...
Page 44: ...NXAMP4x1 44 B B PN AN Circuit Board 2NA WJ97170 10 1 Pattern side ...
Page 45: ...NXAMP4x1 45 2NA WJ97170 10 1 B B Pattern side ...
Page 49: ...NXAMP4x1 49 2NA WJ97350 50 B A Component side Reduction 7 10 ...
Page 50: ...NXAMP4x1 50 B B PSANL Circuit Board 2NA WJ97350 50 Pattern side Reduction 7 10 ...
Page 51: ...NXAMP4x1 51 B B 6 5 4 3 2 1 7 8 9 10 11 12 2NA WJ97350 50 Pattern side Reduction 7 10 ...
Page 123: ...PA 011884 ...
