6-17
VL-H870U
VL-H875U
VL-H890U
VL-H870U
VL-H875U
VL-H890U
û
6-5-2. Troubleshooting for the camera section
No picture
Check the lens drive circuit (IC551) and main signal
line.
YES
û
û
No color
YES
Check IC201 (DSP), and their peripherals.
û
û
No auto white balance function
YES
Check IC501 (camera CPU) and its peripherals.
û
û
YES
No auto focus function
Check IC501, IC551 and their peripherals.
û
YES
û
Check IC501, IC551 and their peripherals.
û
Normal
No power zoom function
6-5-3. Charging mode troubles
Start
Check the circuit of SYSCON.
Check the circuit of SYSCON.
Check Q2911, R2927, R2928, R2914, R2915
and battery terminal unit.
Battery is defective.
Check the AC adapter.
Check Q2905, IC2901 and around the circuits.
Is ADP-DET "H"? *1
Is CHG-ON "L" or "H"? *2
Is BAT DET "OV" ?
Is BAT DET CK voltage more
than 4V or less than 8.4V.
Is the output voltage of Q2901,
1pin more than 9V.
Is Q2905 collect voltage
indicating.
Check the D2904, R2906,
R2933, R2921~R2923 and
CP901.
*1: Inputting DC power and set the ADP DET "L".
*2: Inputting charging mode as CHG ON "L".
"H"
"L"
"L"
NO
YES
YES
more than 4V
"H"
YES
NO
NO
less than 4V
Summary of Contents for VL-H870U
Page 46: ...VL H870U VL H875U VL H890U 4 1 3 2 LOCATION MAP 3 4 S R Q P O N M L K J 8 3 ...
Page 50: ...VL H870U VL H875U VL H890U 8 7 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 RIMOCON JACK UNIT ...
Page 54: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 11 LCD PANEL ...
Page 58: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 15 ...
Page 64: ...VL H870U VL H875U VL H890U 8 21 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 67: ...VL H870U VL H875U VL H890U 8 24 10 11 12 13 14 15 16 17 18 19 ...
Page 70: ...VL H870U VL H875U VL H890U 8 27 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 74: ...VL H870U VL H875U VL H890U 8 31 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 77: ...VL H870U VL H875U VL H890U 8 34 10 11 12 13 14 15 16 17 18 19 ...
Page 80: ...VL H870U VL H875U VL H890U 8 37 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
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Page 88: ...VL H870U VL H875U VL H890U 8 45 S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 ...
Page 92: ...VL H870U VL H875U VL H890U S R Q P O N M L K J 4 1 3 2 LOCATION MAP 3 4 8 49 ...
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Page 112: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 2 Wiring Side SIDE A ...
Page 114: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 4 Wiring Side SIDE B ...
Page 116: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 6 Wiring Side SIDE A ...
Page 118: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 8 Wiring Side SIDE B ...
Page 120: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 10 Wiring Side SIDE A ...
Page 122: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 12 Wiring Side SIDE B ...
Page 125: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 15 Wiring Side SIDE A ...
Page 126: ...A B C D E F G H I J 1 2 3 4 5 6 7 8 9 10 VL H870U VL H875U VL H890U 10 16 Wiring Side SIDE B ...