Page 2
Approved by C. Miyayama Written by H. Tamura
Date: 6-Nov-98 Model: 74ST17/02B/02G
Page: 1/1 REF.NB MZ98-030
Subject:
Circulation:Application:
Int.ref:
[
SOLUTION]
Modify the front panel assembly as following procedure.
1.
Disassemble the front panel assembly from the product and remove 017B, 026B and PCB PS02 from the
front panel (002B). (Fig.1)
2. Add the IR lens (013B:
4822 381 12024 [/02B] or
4822 381 12025 [/02G]) with dual side adhesive tape
to the hole of PTY button on the front panel. (Fig.1)
3. Cut the PTY button and the button guide. (Fig. 2 : Gray part)
4. Remove the tact switch (SS24). And add the IR sensor (QS03:
4822 130 11494) with the formed rubber
(13x10x10). (Fig. 3)
5. Add diodes DS03, DS04 (
4822 130 32362), transistors QS04 (
4822 130 61227 ), QS05 (
4822 130 42594 ),
resistors RS63 (
180 ohm 1/6W), RS65 (
10K ohm 1/6W). (refer the service manual 4822 725 51167 page
7 and page 9)
6. Reassemble the front panel. (Fig. 1 & 4)
7. Press POWER switch while depressing
DISPLAY button and
BAND, if FL display shows <
RC INT>
then modification had succeed.
·
Every MARANTZ remote control units which including TUNER mode are available for command
transmit.
[
REMARK]
This information is applied to Europe, Africa and Middle East only.
PTY function is not
available after this modification.
SERVICE BULLETIN
Remote control modification.
(Add IR sensor for remote operation.) x for information
customer complaint
in case of service
mandatory
...................
Only required case from a
customer.
Fig. 2
013B
017B
PS02 026B
002B
Fig. 1
Fig. 4
Rubber
13mm
10
10
QS03
Dual side adhesive tape
Dual side adhesive tape
Fig. 3
