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Maintenance Basis

Welding Technique

Electronic Circuit Basis

iPhone Maintenance

Exterior Screen Maintenance

Andriod Phone Maintenance

Laptop Maintenance

Desktop Computer Mainboard Maintenance

Graphics Card Maintenance

Series of courses

Microphone fault repairing

Domestic mainboard repair

Laptop Maintenance Basics

Laptop EC and BIOS

Laptop power supply modes

Laptop timing sequence

Startup process

Charging circuit

Intel 100 series timing

Intel 6th- 9th low-power CPU chipset standard timing

Intel 10th-12th low-power CPU chipset standard timing

AMD Ryzen APU timing

Compal Circuit Analysis

Wistron Circuit Analysis

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218. Circuit characteristics of Quanta mainboard

Wistron Circuit Analysis

217. Wistron 15221 circuit analysis- PG, clock, reset signals

Wistron Circuit Analysis

216. Circuit analysis of Wistron 15221 (HM170)- CPU power supply chip

Wistron Circuit Analysis

215. Circuit analysis of Wistron 15221 (HM170)- Secondary power supply

Wistron Circuit Analysis

214. Circuit analysis of Wistron 15221 (HM170)- Memory power supply ch

Wistron Circuit Analysis

213. Circuit analysis of Wistron 15221 (HM170)- Startup and supply cir

Wistron Circuit Analysis

212. Circuit analysis of Wistron 15221 (HM170)- PCH Standby conditions

Wistron Circuit Analysis

211. Circuit analysis of Wistron 15221 (HM170)- EC standby conditions

Wistron Circuit Analysis

210. Circuit analysis of Wistron 15221 (HM170)- EC standby power gener

Wistron Circuit Analysis

209. Circuit analysis of Wistron 15221 (HM170)- Common point current d

Wistron Circuit Analysis

Series of lessons

Intel 100 series timing

Intel 100 series timing

126. Reset signal and integrated GPU power timing

Intel 100 series timing

125. Distribution of each clock signal

Intel 100 series timing

124. Timing generation of PG signal & clock signal

Intel 100 series timing

123. Power supply timing

Intel 100 series timing

122. Boot timing sequence

Intel 100 series timing

121. Light sleep standby conditions

Intel 100 series timing

120. Deep sleep standby conditions

Intel 100 series timing

119. Working conditions of RTC circuit

Intel 100 series timing

118. ACPI advanced power management

Intel 100 series timing

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