Acer AL1716 Service Manual - Page 22

Browse online or download pdf Service Manual for Monitor Acer AL1716. Acer AL1716 50 pages. 43.2cm(17”) tft color lcd monitor
Also for Acer AL1716: User Manual (17 pages), User Manual (10 pages), Service Manual (50 pages), Specifications (2 pages), Service Manual (47 pages), Service Manual (40 pages), Quick Start Manual (1 pages), User Manual (11 pages), User Manual (20 pages), Quick Start Manual (1 pages)

Print Page

4.8 Checking the control circuit of vertical sync pulse for VGA

Check the vertical sync signal on P302

pin14 TTL level

Check the vertical sync

signal on I306 pin90 TTL level

Proceed 'Checking the resolution change IC

movement' section

7. Troubleshooting (continued)

Failure Point:

VGA video cables is failure.

Failure Point:

1. Printed wire is open between P302 pin14 and I306

pin90.

2. FB312 and R322 may be open.

3. R323 and C327 may be short.

4. D305, D306 is short.

ACER AL1716W

Go to cover page