Sharp VL-A111S/H/E User Manual

33
VL-A111S/H/E/AH131S/H/E
VL-AH151S/H/E
û
5-8-2. Troubleshooting for the camera section
No picture
Check the lens drive circuit (IC551) and main signal
line.
YES
û
û
No color
YES
Check IC401 (DSP), and its peripherals.
û
û
No auto white balance function
YES Check IC706 (camera CPU part of I chip µ-computer),
IC551 (Lens driver) and their peripherals.
û
û
YES
No auto focus function
Check IC706 (camera CPU part of I chip µ-computer),
IC551 (Lens driver) and their peripherals.
ûYES
û
Check IC706 (camera CPU part of I chip µ-computer),
IC551 (Lens driver) and their peripherals.
û
Normal
No power zoom function
5-8-3. Charging mode troubles
Start
Check the circuit of system control.
Check the circuit of system control.
Check Q2911, R2914, R2915
and battery terminal unit.
The battery is defective.
Check the AC adapter.
Check Q2905, IC2901 and the peripherals.
Is ADP-DET "H"? *1
Is CHG-ON "L" or "H"? *2
Is BAT DET "OV" ?
BAT DET CK voltage is
between 2.8V and 5.9V
The output voltage of Q2901 is
more than 7V at each pin.
The voltage gathered to Q2905
is.
Check the D2913 ,
R2921-R2923 and CP901.
*1: Enter "L" into ADP-DET with the DC power on.
*2: Enter "H" into CHG ON in the charging mode.
"H"
"L"
"H"
NO
YES
YES
more than 3V
"L"
YES
NO
NO
less than 3V

Sharp VL-A111S/H/E Specifications

General

Brand	Sharp
Model	VL-A111S/H/E
Category	Camcorder
Language	English