Sharp AQUOS LC-40LE820UN, Service Manual

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LC-40/46/52/60LE820UN
6 – 13
10. Key writing
10.1. EDID writing (Main PWB: QPWBXF452WJZZ)
10.2. MMAC address writing (Main PWB: QPWBXF452WJZZ)
1. Write the MAC key data into IC8401 mounted on the MAIN PWB via RS232C.
2. The data must be written before making the inspection using the checker.
10.3. Netflix & WMDRM Key writing (Main PWB: QPWBXF452WJZZ)
1. Netflix key data is written in IC8401. The data cannot be copied nor run on different CPU. It can be written only in factory securely.
Therefore when key data is corrupted or lost or you replace main CPU, IC8001, or flash ROM, IC8401, you have to replace main PWB.
You can check if the key data is stored correctly by following means.
• Process menu
The key is displayed to [NETFLIX ESN] on the 1st page in the adjustment process menu.
• RS-232C
1. Enter the process mode.
2. NFKY???? : ESN Data is returned.
Adjustment
point
Adjustment conditions Adjustment procedure
[Adjustment standard value]
Measuring instrument: [Minolta CA-210] Technical measuring instrument
Level Reference value Adjustment spec Inspection spec
Point 6 916
X=0.272
±
0.0010
±
0.0020
y=0.277
Point 5 692
X=0.272
±
0.0010
±
0.0020
y=0.277
Point 4 532
X=0.272
±
0.0015
±
0.0030
y=0.277
Point 3 464
X=0.272
±
0.0020
±
0.0040
y=0.277
Point 2 296
X=0.272
±
0.0030
±
0.0060
y=0.277
Point 1 180
X=0.272
±
0.004
±
0.0080
y=0.277
Remarks Setting conditions for inspection
AV MODE: [DYNAMIC] (Reset)
Monochro: ON
OPC: OFF
Active Contrast: OFF
Power Saving: OFF
Aging Time: Min. 60 minutes
Adjustment point Adjustment conditions Adjustment procedure
1 HDMI EDID writing
(Main PWB) Process mode
Model discrimination check 1) Enter the process mode.
2) Point the cursor to [EDID WRITE ENT] and press the [ENT] key.
The writing is complete when [EDID WRITE OK] is displayed.
(If not written, HDMI does not function.)
CAUTION: Perform the data writing after setting the model discrimi-
nation. The data based on the model discrimination
information is recorded in EEPROM.
2 Analog RGB EDID writing
(Main PWB) Inspection mode
File version check 1) Write the EDID data for analog RGB into IC509 mounted on the
main PWB using the checker.
TL511
•••
I2C clock, TL508
•••
I2C data
TL544
•••
5V, TL507
•••
GND
TL585
•••
Write protection (H: WP, L: write enable)
2) Perform the data writing before making inspection using the
checker.