1.3. KM02 Chasis Block Diagram
BT → Divide
A
LCD PANEL
IPK
Point Dip
Inspection
<Visual check>
*Voltage check
* LED Check Inverter (Blue LED)
<FACT-TEST>
*ANALOG TUNE
*VCXO ADJ
*LOCAL OSD
*AV_SW CHECK
*AV1/AV2/AV3---CVBS
*AV3---S(YC)
*MONITOR-OUT
*AV1/AV2---Component
*PC
*HDMI1
*HDMI2
*CEC_(HDMI1/HDMI2)
*Backlight
*SD Card
*Software & EEPROM version
check by self check (1 set only)
IP-PCB: 32” IPS ONLY
(Inverter & Power)
TNP4G455
P-PCB: 37” ONLY
(Power)
TNP4G454
BT → Divide
In coming check
Writing
Assembly
A-PCB
TNP4G460
(Degital main)
V-PCB
(LED)
TNPA4834
PEAKS NOR Flash
(Writing IC)
256Mbit
IC8554
Sum : only effective area
Add : 0 ~ 1FFFFFF
EEPROM Writing (On board)
*GENX
• EEPROM (8k) x 1
IC1101
*PEAKS
• EEPROM (16k) x 1
IC8601
<Write Protect command>
*GENX : Protect OFF = 70,88,00
Protect ON = 70,88,ff
*PEAKS : Protect OFF = 70,8B,00
Protect ON = 70,8B,ff
K-PCB
(Control)
TNPA4901
BT Inspection
FOR TNP4G455 ONLY
*Adjust the frequency to 56 ± 1kHz by using VR7851
*Check to the output : J102 or TP7871
*Check to the Over Voltage protection
*Check to the Arc protection
Inspection
LED CAT EYES,REMOCON RECEIVER
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