7-5
7.2.2.3 Option 07 AM/FM demodulator (voice monitor)
Related units :
(1) A09 OPTION BASE
Additional parts:
(1) For MS2665C, A09 OPTION BASE constituent list (34Y106684) (not necessary when OPT06 is installed)
For MS2667C or MS2668C, A09 OPTION BASE constituent list (34Y106684B) (not necessary when OPT06 is
installed)
(2) For MS2665C, A0902 AM/FM MONITOR constituent list (34Y106699)
For MS2667C or MS2668C, A0902 AM/FM MONITOR constituent list (34Y106699B)
Procedure :
Refer to paragraph 2.3.4 (for MS2665C) or paragraph 3.3.4 (for MS2667/68C).
(1) Attach A0902-X1 to A09-X4.
(2) Fix A0902 to A09 with the strut and six screws.
(3) Connect A09-X10 and A0902-X2 with A0902-W1 cable.
(4) Remove earphone plate (no hole) attached to the location where EAR PHONE is indicated on A09 (one screw).
(5) Attach A0902-X4 (earphone jack) with earphone plate (with hole) to a place where EAR PHONE is indicated on A09.
(two screws)
(6) Solder wires of A0902-W2 cable to A0902-X4 terminals.
(7) Connect A0902-W2 cable connector to A0902-X3.
(8) Turn on power, change the option setting in the Maintenance menu to OPT07 ON.
Note:
(1) Do not loosen the screw near A0902-X1 at the corner of the PC board in step (2), or it result in circuit short.
7.2 Parts, PC board installation