Erasing The Video Navigation Data (Initialization); Factory Setting Level During Shipment - JVC HR-S9800U Service Manual

1.8.2 Erasing the video navigation data (Initialization)

This is the service mode to erase all the video navigation
data inside the FLASH memory. When a unit is replaced or
after an operations check, erase the data which is not re-
quired while observing the TV screen.
Notes:
• During Flash memory initialization, the transmission of
the jig code may affect the peripheral VCR. Therefore,
when initializing the Flash memory, be sure to unplug
the peripheral VCR power cable.
• Please take note that after erasing data cannot be re-
stored, therefore care must be exercised.
• When using the Jig RCU. set its custom code to match
the custom code of the VCR.
Jig RCU
[Data transmitting method]
Depress the " " ( 3 ) button
after the data code is set.
CUSTOM CODE
43: A CODE
53: B CODE
DATA CODE
Fig. 1-8-2a Jig RCU [PTU94023B]
(1) Turn ON the power.
(2) Transmit the code "FC" from the Jig RCU.
Then the [FLASH MEMORY UTILITIES] screen is dis-
played. (See Fig. 1-8-2c.)
(3) Transmit the code "21" from the Jig RCU.
Select [1. ERASE], then ERASE starts. During erase
[PLEASE WAIT] is displayed and when erase is com-
pleted [ERASED] will be displayed. (See Fig. 1-8-2d and
Fig. 1-8-2e.)
(4) Transmit the code "23" from the Jig RCU, then the mode
is cancelled. (See Fig. 1-8-2b.)
Fig. 1-8-2b
Fig. 1-8-2c
Fig. 1-8-2d
INITIAL MODE
Fig. 1-8-2e

1.8.3 Factory setting level during shipment

After shipment from the factory, this is the service mode to
return the rewritten EEPROM data to the factory setting level
[Factory reset].
Note:
• When this operation is executed, all user's setting con-
tents will return to the factory setting level, therefore
care must be exercised.
(1) Insert a cassette tape.
(2) Transmit the code "6F" from the Jig RCU.
(3) After a setting is completed, the cassette tape is auto-
matically ejected.
CH 1
FLASH MEMORY UTILITIES
1 ERASE DATA
2 READ AND WRITE TEST
3 EXIT
RESULT:
VCR ID:
***
LIBRALY VAR :
****
FLASH MEMORY UTILITIES
1 ERASE DATA
2 READ AND WRITE TEST
3 EXIT
RESULT:PLEASE WAIT
VCR ID:
***
LIBRALY VAR :
****
FLASH MEMORY UTILITIES
1 ERASE DATA
2 READ AND WRITE TEST
3 EXIT
RESULT:ERASED
VCR ID:
***
LIBRALY VAR :
****
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