Circuit Description; Power Supply Circuit; Horizontal Circuit; Micro Controller Unit - Philips 105S5 Service Manual

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1. Power supply
1.1 Power supply
1.2 Power saving
2. H and V processor
2.1 Auto sync deflection control and B
2.2 Vertical deflection
2.3 Boost converter
2.4 X-Ray radiation protection
3. Horizontal
3.1 Horizontal driver
3.2 Horizontal output circuit
3.3 E-W pincushion and width control circuit
4. Video
4.1 Video pre- amplifier
4.2 On screen display (OSD)
4.3 Auto beam limit circuit
4.4 Brightness control
4.5 Blanking
5. Micro Controller Unit (IC301)
5.1 HS/VS processor
5.2 PWM control
5.3 Power saving / Mute / LED control
5.4 CS control
5.5 Key control
2
5.6 I C Bus
5.7 External +5V with signal cable
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Circuit Description

IV
Circuit Description
+
control circuit
IV-1 Confidential – Do Not Copy 105S5