Flowchart For Auto; Switching Power Supply Operation Theory; General Specification; Block Diagram - Acer 7299sl Service Manual

2.2.3.7 Flowchart for Auto

Detect if
the pattern
is normal?
YES

2.3 Switching Power Supply Operation Theory

2.3.1. General Specification

Input Voltage : 90~264VAC (UNIVERSAL)
Input Frequency : 47~63Hz
Output Requirement:

2.3.2. Block Diagram

AC RFI
INPUT FILTER

2.3.3. Circuit Operation Theorem

2.3.3.1 RFI FILTER

Circuit Operation Theory
Start
YES
Press i-key?
NO
Change mode?
YES
Preset timing?
NO
NO
User saved
timing?
NO
Determine a
preset timing
Determine
h_phase & h_size
Determine
v_center &v_size
Show the
correct pattern
on screen
1
Output
+6.5V 0.8A
+16V
+24V
+80V
+200V
DEGAUSS
CIRCUIT
RECTIFIER
SWITCHING
&
ELEMENT
FILTER
FEEDBACK
CONTROL
CIRCUIT
API Confidential
No Copy/Reproduction Allowed
1
NO
1
YES
YES
Read data
of timing from
EEPROM
MAX. Load Current
1.0A
0.25A
0.1A
0.3A
ISOLATION
TRANSFOR
-MER
POWER
SAVING
CONTROL
OUTPUT
RECTIFIER
AND
OUTPUT
FILTER
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