HP R15AAC Service Manual page 4

9. Checking the interface circuit of sync signal ---------------------------------------------------------------------------- 22
9.1 Checking the control circuit of horizontal sync pulse for VGA -------------------------------------------------- 22
9.2 Checking the control circuit of vertical sync pulse VGA ---------------------------------------------------------- 22
10. Checking the resolution change IC movement -------------------------------------------------------------------------- 23
11. Audio no signal output ----------------------------------------------------------------------------------------------------- 24
5) Spare Parts
Recommended Spare Parts List ------------------------------------------------------------------------------------------------- 26
6) Block Diagram
Block diagram ---------------------------------------------------------------------------------------------------------------------- 27
R15AAC/AAU (vs15)
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