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21V-FS700S
CHAPTER 3.
E
Market
21V-FS700S
Service Manual
21V-FS700S
TV
ADJUSTMENT PRECAUTIONS
[1] ADJUSTMENT PRECAUTIONS
This model's setting are adjusted in two different ways: through the I2C bus control and in the
conventional analog manner. The adjustments via the I2C bus control include preset-only items and
variable data.
1. Setting the service mode by the microprocessor.
(1). Press and hold the local key "VOL DOWN" & "CH UP" when power on the main switch,
TV will enter into the SERVICE MODE in Adjustment Mode. (The initial value of EEPROM
are automatically preset when new EEPROM is used).
Service Mode also can be reached by pressing "Service" key (code: 40 Hex)
(2). Press the CH DOWN / UP key on the remote controller to select the items
one by one in Adjustment Mode.
(3). Using the VOLUME UP/ DOWN key on the remote controller, the data can be modified.
(4). When press the local key "VOL DOWN" & "CH UP" at the same time,
it will be released from the service mode.
(5) Press the MENU key on the remote controller to enter into NVM mode.
Press MENU key again to leave the NVM mode return to Adjustment Mode.
(Not recommended to modify the data unless as listed in BUS SETUP data)
(6) Press both CH-UP and VOL-DOWN buttons on the TV set simutaneously or press
the "SERVICE" (40HEX) key again, it will switch to the NORMAL mode position, and
the microprocessor is out of the SERVICE mode.
2. Factory Presetting.
(1). Press remote controller key of code "ED" for 4 seconds, the initial values are
automatically preset.
(2). The initial data are preset as listed in page 5~8.
(3). Make sure whether the data need to modify or not (Initial data).
(Refer to BUS SETUP DATA)
Note:
Once the chassis has been assembly together and in ready condition, please make
sure it's go through initialize process (see sect 2 above)
Precaution : If haven't done this initialization, malfunction might be happen.
3 – 1
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