Sony MZ-R910 Service Manual page 26

MZ-R910
Patch Data Rewriting When Nonvolatile Memory
was Replaced
On this set, if the nonvolatile memory was replaced, the modified
program data must be written to the nonvolatile memory.
In such a case, write the modified data that meets the microcom-
puter version following the procedure provided below.
• Modified data writing method (version 1.300)
1. Select the manual mode of the test mode, and set item num-
ber 022 (see page 14).
Remote commander LCD display
022 PatClr CC
2. Press the X key to initialize the patch data.
(The modified data writing is over, if the adjusted value
changesto DD)
Remote commander LCD display
022 ***SDD
DD : Adjusted value
3. Press the N key or > key to set item number 023.
Remote commander LCD display
023 Patch00
00 : Adjusted value
[VOLUME +]
4. Press the key once to change the adjusted value
to 01.
[DISPLAY]
5. Press the key on the remote commander for sev-
eral seconds (about 3 seconds) to activate the patch data write
mode.
(The following display will appear where 00 is blinking)
Remote commander LCD display
023 115800
00 : Adjusted value
[VOLUME +]
6. Adjust with the
[VOLUME --]
key (adjusted value down) so that the adjusted
value becomes 16.
Remote commander LCD display
023 115816
16 : Adjusted value
7. Press the X key.
(1158 is blinking)
[VOLUME +]
8. Press the key once to change the blinking por-
tion to 1159.
Remote commander LCD display
023 115900
00 : Adjusted value
9. Press the x /CHG key.
(00 is blinking)
[VOLUME +]
10. Adjust with the
[VOLUME --]
key (adjusted value down) so that the adjusted
value becomes EA.
Remote commander LCD display
023 1159EA
EA : Adjusted value
11. Press the X key.
(EA is blinking)
26
key (adjusted value up) or
key (adjusted value up) or
[VOLUME +]
12. Press the key three times to change the blink-
ing portion to 115C.
Remote commander LCD display
023 115C00
00 : Adjusted value
13. Press the x /CHG key.
(00 is blinking)
[VOLUME +]
14. Adjust with the
[VOLUME --]
key (adjusted value down) so that the adjusted
value becomes 28.
Remote commander LCD display
023 115C28
28 : Adjusted value
15. Press the X key.
(115C is blinking)
[VOLUME +]
16. Press the key three times to change the blink-
ing portion to 115F then press the x /CHG key.
Remote commander LCD display
023 115F00
00 : Adjusted value
[VOLUME +]
17. Adjust with the
[VOLUME --]
key (adjusted value down) so that the adjusted
value becomes DE.
Remote commander LCD display
023 115FDE
DE : Adjusted value
18. Press the X key.
(115F is blinking)
[VOLUME +]
19. Press the key to change the blinking portion to
[DISPLAY]
1178, and press the
for several seconds (about 3 seconds) to exit the patch data
write mode and display as below.
Remote commander LCD display
023 Patch01
01 : Adjusted value
[VOLUME +]
20. Press the key to display as below.
Remote commander LCD display
023 ****09
09 : Adjusted value
21. Press the [DISPLAY] key on the remote commander for sev-
eral seconds (about 3 seconds) to activate the patch data write
mode. (The following display will appear where 00 is blink-
ing)
Remote commander LCD display
023 117800
00 : Adjusted value
[VOLUME +]
22. Adjust with the
[VOLUME --]
key (adjusted value down) so that the adjusted
value becomes 01.
Remote commander LCD display
023 117801
01 : Adjusted value
23. Press the X key.
(1178 is blinking)
key (adjusted value up) or
key (adjusted value up) or
key on the remote commander
key (adjusted value up) or