NX-A01
4
NX-A01
•
After disassembling the unit or replacing any part, be sure to input a signal (20 Hz to 20 kHz) from the PORTABLE IN
terminal to make sure that the unit is free from chattering or abnormal sound.
•
When replacing the MAIN (2) P.C.B. and button assembly, be sure to use the button support jig for installation of the
button assembly.
•
The sheet window once removed cannot be reused. Be sure to use a new sheet window for replacement.
1. Removal of MAIN(1) P.C.B..
a. Remove 2 sheet window. (Fig. 1)
b. Remove 4 screws (
1
), and then remove MAIN (2) P.C.B. together with bottom case. (Fig. 1)
c. Remove CB302 and CB303. (Fig. 1)
2. Removal of MAIN (2) P.C.B..
a. Remove SPBOX ASS’Y. (Fig. 1)
b. Remone 4 screws (
2
), and then remove MAIN (2) P.C.B.. (Fig. 2)
Fig. 1
Fig. 2
CB303
CB302
SPBOX Ass'y
Case
Bottom Case
Sheet Window
Sheet Window
1
1
MAIN (1) P.C.B.
MAIN (2) P.C.B.
Case
2
2
■
About the Status Indicator (LED)
The status indicator turns on or flashes to indicate the sta-
tus of this unit.
This unit is on.
This unit is in the standby mode, or discon-
nected from the AC adaptor.
This unit is muted.
The protection circuitry has been activated.
(Disconnect the AC adaptor and wait for a while.)
On
Off
Flashing
(every second)
Flashing
(rapidly)
1
2
3
4
Status indicator (LED)
MAIN (2) P.C.B.
SPBOX ass'y
MAIN (1) P.C.B.
1
2
3
4
The current status of this unit
LED status
■
INTERNAL VIEW
■
DISASSEMBLY PROCEDURES
Summary of Contents for NX-A01 - Speaker Sys
Page 22: ...NX A01 ...
