Zenith P42W46X Service Manual - Page 9
HDCP download, POWER PCB Assy Voltage, Adjustments - why won t turn on
UPC - 044642701499
View all Zenith P42W46X manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 9 highlights
ADJUSTMENT INSTRUCTIONS Each PCB assembly must be checked by check JIG set. (Because power PCB Assembly damages to PDP Module, especially be careful) (Fig 3) 5. POWER PCB Assy Voltage Adjustments (Va, Vs Voltage Adjustments) 5-1. Test Equipment : D.M.M. 1EA 5-2. Connection Diagram for Measuring Refer to Fig 5. 4. HDCP download 4-1. Setting up & Confirming the G-prove : Refer to 3-1 and 3-2. 4-2. HDCP download method (1) Click [Command -> NVRAM Write] (2) When the window of [NVRAM Write] is showed, select "LGEKEY1.bin" to insert fill up in the File. (3) LGEKEY1 : first KEY value (4) Address : insert '0' (5) After finishing inputs, click the button [OK] to write HDCP key in the EEPROM. (6) It means the end of the HDCP key download that the message of Output terminal is showed as below. < 3501V00180A > (Fig 4) < 3501V00182A > (Fig 5) Connection Diagram of power adjustment for measuring 5-3. Adjustment Method for P/No. 3501V00180A B/D (1) Va Adjustment 1) After receiving 100% Full White Pattern, HEAT RUN. 2) Connect + terminal of D.M.M to Va pin of P805, connect - terminal to GND pin of P805. 3) After turning RV501, voltage of D.M.M adjustment as same as Va voltage which on lable of panel right/top (Deviation; ±0.5V) (2) Vs Adjustment 1) Connect + terminal of D.M.M to Vs pin of P805, connect - terminal to GND pin of P805. -9-