Error Display On The Front Panel - FUNAI BH2-M200 Service Manual

ERROR DISPLAY ON THE FRONT PANEL

If malfunction occurs in the power supply, safety detection (IC2701) on the Power Supply Board is activated the
next time power is turned on, and error will be displayed on the front panel.
When an error is displayed, check whether the monitoring parts on the power line is defective. Replace the
defective part(s) which is causing malfunction.
Front Panel
Detection Port
Display
ERR P SAFETY1
ERR D DRIVE-SAFETY
ERR T DT-SAFETY
[Example]
ERR D (DRIVE-SAFETY) is displayed on the front panel.
Refer to the schematic diagram and determine HDD+5V, FE+5V, HDD+12V and FE+12V are generated on
the Power Supply Board.
Check for abnormalities in the following area to identify the cause of malfunction:
• Parts that generate these power source (IC1102, IC1104) and their periphery
• Parts on the power line
• Parts that use these power source; HDD and Loader unit
Pin 49 of
IC2701
SAFETY1
Pin 50 of
IC2701
DRIVE-SAFETY
Pin 51 of
IC2701
DT-SAFETY
P-ON+3.3V, P-ON+5V, P-ON+12V, +5V(HDMI)
HDD+5V,FE+5V, HDD+2V, FE+12V
DDEM+2.5V, A+2.5V, DDEM+1.2V-1, DDEM+1.2V-2, FAN
P-ON+3.3V P-ON+5V
D1115 D2607
HDD+5V/FE+5V HDD+5V
SHORT
D1111
DETECT
DRIVE-SAFETY
A+2.5V/DDEM+2.5V DDEM+1.2V-1/DDEM+1.2V-2
D8021
Power line being monitored
+5V(HDMI)
SHORT
DETECT
D2653
SAFETY1
FE+5V HDD+12V/FE+12V
SHORT
D1110
DETECT
D8042
D8041
DT-SAFETY
1-13-1
P-ON+12V
R2668
R2669
HDD+12V/FE+12V
R1173
OVER
VOLTAGE
D1109
R1174
DETECT
FAN
D2651
E4V20DER