Sony SRW-5000, Руководство по обслуживанию, Страница: 55 / 438

1-39
SRW-5000/5500
1-18. NV-RAM
There are the NV-RAMs (EEP-ROM, and RAM with backup battery) used on the boards in this unit.
These devices store the adjustment data, various setting data for this unit, data for the hours meters and
error log respectively, etc.
EEP-ROM: Electric Erasable P-ROM
After replacing above-mentioned device, take the following service actions.
IC206 on the CP-382 board and IC116 on the SS-95 board are the only NV-RAM with backup battery.
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After replacing the NV-RAM, the error (error code 97, or A8) will occur at power-on.
After replacing IC116/SS-95: Occurs Error code A8. (Then, settings are reset to factory setting.)
After replacing IC101/DR-508: Occurs Error code 97.
Board / Ref.No. Type Stored data Service action after replacing
CP-382 / IC206 NV-RAM RGB gain adjustment value of the Readjust the gain of the color display by the
[F8]
(LCD GAIN)
color display of the OTHERS CHECK menu. (Refer to Section 3-3-9.)
POWER ON BACK RECALL setting Set by the ALT
+
[F4]
(POW-ON RECALL) of the VTR BANK
data menu again. (Refer to the operation manual for resetting.)
DR-508 / IC101 NV-RAM Servo/DT adjustment data Readjust the servo/DT systems. (Perform Section 8-3.)
Hours meter data None
EQ-94 / NV-RAM Adjustment data for the EQ-94 board Readjust the EQ-94 board (RF system). (Perform Section 8-4.)
IC2907, 2908
SS-95 / IC116 NV-RAM Setting data of setup menu Set the setup menu again.
(Current and banks 1 to 8) (Refer to the operation manual for resetting.)
Error log data None (All data are lost.)
CUE point list data None (All data are lost.)
Calendar/clock Set the calendar and clock again by the ALT
+
[F9]
(REAL
TIME) of the error logger menu. (Refer to Section 3-2-3.)
Settting data of VTR bank Set the VTR bank again.
Headroom of audio level meter Set by the
[F4]
(HEAD ROOM) of the OTHERS CHECK menu.
(Refer to Section 3-3-9.)
50-pin remote setting data Set by the
[F6]
(PARA-I),
[F7]
(PARA-0) of the OTHERS
CHECK menu. (Refer to Section 3-3-9.)
Network information Set by the
[F3]
(NETWORK SETUP) of the OTHERS CHECK
menu. (Refer to Section 3-3-9.)
Refer to Section 3 for the menu of the maintenance mode.