Haier HT-2599 Service Manual
Also see for 21F99: User manual
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1. No raster and no soundCheck the fuseCheck VD503∼VD506 V513 C507 Check loading voltages of 134V 200VCheck if the connector electrodevoltage of V552 is 26V.Check if all loading resistors are normalCheck 12V9V 5VCheck V552 orCPU POWERcontrol circuitCheck D902V902 andV901There is breakdown inhorizontal circuit andN201Check switchpower circuitCheck if rectifierdiodes breakdownReplace therectifier diodesLoading hasbreakdownNormal AbnormalNormal AbnormalNormal Abnormal Normal AbnormalNormal AbnormalNormal Abnormal4.Troubleshooting |
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