JVC LT-47DV1BJ Service Manual page 13

3.2 MEMORY IC REPLACEMENT
• This model uses the memory IC.
• This memory IC stores data for proper operation of the video and drive circuits.
• When replacing, be sure to use an IC containing this (initial value) data.
3.2.1 MEMORY IC TABLE
Symbol Number of pins
IC1003 8-pin
IC3004 8-pin
IC3005 8-pin
IC3006 8-pin
IC4102 8-pin
3.2.2 MEMORY IC REPLACEMENT PROCEDURE
1. Power off
Switch off the power and disconnect the power plug from the AC outlet.
2. Replace the memory IC
Be sure to use the memory IC written with the initial setting values.
3. Power on
Connect the power plug to the AC outlet and switch on the power.
4. Receiving channel setting
Refer to the OPERATING INSTRUCTIONS and set the receive channels (Channels Preset) as described.
5. User setting
Check the user setting items according to the given in page later. Where these do not agree, refer to the OPERATING
INSTRUCTIONS and set the items as described.
6. SERVICE MODE setting
Verify what to set in the SERVICE MODE, and set whatever is necessary (Fig.3-2). Refer to the SERVICE ADJUSTMENT for setting.
3.2.3 SERVICE MODE SETTING
SERVICE MODE SCREEN
SERVICE MENU SCREEN
Service Menu
Adjust
1
2 Monitor Mode
3 System Configuration
4 Software Update
5 I2c Stop Mode
6 EDID Write Protect
7 HDMI_EQ Setting
8 Software Version Check
9 Calibration Setting
Apply
Navigate Cancel
ADJUSTMENT MODE SCREEN
S001 S001 R DRIVE R DRIVE
Mounting PWB
MAIN PWB Setting data for IC1001(MAIN CPU) is memorized.
MAIN PWB E-DID DATA for HDMI is memorized.
MAIN PWB E-DID DATA for HDMI is memorized.
MAIN PWB E-DID DATA for HDMI is memorized.
MAIN PWB Setting value of IC4101(VIDEO PROCESS CPU) is memorized.
Press [1] key
M 000 M 000
Fig.3-2
Main content of data
SETTING ITEM
Setting items
Video system setting
3.2.4 SETTINGS OF FACTORY SHIPMENT
3.2.4.1 BUTTON OPERATION
Setting item
Power
Channel
Volume
TV/AV
AC SW
3.2.4.2 REMOTE CONTROL DIRECT OPERATION
Setting item
Channel
Volume
Sub Power
Zoom
Sleep Timer
Subtitle Selection
Menu Language
Country
System Language
Place of Installation
Settings Item No.
Adjust S001 - S003
Setting position
Off
PR1
10
TV
On
Setting position
PR01
10
Off
Auto
Off
On
English
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English
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(No.YA692<Rev.001>)1-13