44
HP L2035
Repair Flow Chart
Chassis debug
Check
DC_supplies
Fix defects
Fix defects
Check
Key_scan
Check
oscillator
Fix defects
-
Confirm CPU operation
- Check signal paths
-
Check PLL_clocks
-
Check panel v, CLK ,data, controls
-
Fix any abnormal
LED -G
off
Scaler power
+3.3v: beads
+2.5v beads,
regulator
DC power_3.3V
CPU Reset IC
+3.3V(7405)
Crystal signal
+3.3V_D(5401)
check crystal(
1410)
EEPROM(7302)
+3.3V
Flash Memory
+3.3V(5402)
Display
No
Yes
Check LED
Check BC857C
Check resisters
Check Solder Status
Level 1:
Summary of Contents for HP L2035
Page 13: ...Wiring Diagram 13 Go to cover page HP L2035 ...
Page 38: ...Scaler board C B A Go to cover page HP L2035 38 ...
Page 39: ...SCALER BOARD C B A 2 39 HP L2035 Go to cover page ...
Page 41: ...Power Inverter Board C B A 1 41 HP L2035 Go to cover page ...
Page 42: ...Power Inverter Board C B A 2 Go to cover page HP L2035 42 ...