Philco 168P-P32ELL-W1 Schematic
SKYWORTH R&D CENTER
Power Supply Service Manual
PART NO. : 168P-P32ELL-W1
DESCRIPTION ：
VERSION NO. ： 1.0
PAGE ： 13
DESCRIBED ： Zhou Cong
CHECKED ： Hu xiangfeng
APPROVED ： Bao xiaojie
Released Date: 2012-05-21
168P-P32ELL-W1 Service manual
Modification record
Edition
1.0 2012-5-21 First record Zhou Cong Hu Xiangfeng Bao Xiaojie
Modification
date
Record Described Checked Approved
I
168P-P32ELL-W1 Service manual
Contents
NO. Main contents Page
1 General Description
2 General Introduction of Circuit
3 The main chip description
4 PCB TopOverlay or BottomOverlay
5 Maintenance instructions
6 The information of power supply designer
7 Schematic diagram
1
2
3
7
8
12
13
II
168P-P32ELL-W1 Service manual
Warning
This manual is only used for the experienced service person , and does not apply to the general
consumer。The manual does not have warnning or alert for the potential hazards caused of the non-technical
personnel attempting to repair this product . Electrical products should be an experienced professional and
technical personnel for maintenance and repair ,any other person attempts to maintain and repair the
products covered by this manual will likely be seriously hurt or even life-threatening.
1.General Description
1.1 General description of power supply
This power apply to 32-inch universal standard power interface; the total standby power consumption
less than 1W (5V DC the Load 50mA); protection functions; low cost; mature power supply structure; the
voltage range is 90-264V and wide supply voltage input.
1.2 Main technical specifications
1.2.1 Input Electrical Characteristics
Input voltage range
90Vac to 264Vac
Rated voltage range 100Vac to 240Vac
Frequency range 50Hz/60Hz±5%
Max input ac current 2Amax at 90VAC input & full load condition
Inrush current (cold start) 50Atyp peak, 120Vac; 100Atyp peak, 220Vac
Efficiency(full load) 82%min @ 115Vac,Full Load
Harmonic current Meet GB17625.1-1998/IEC61000-3-2 class D
Leakage Current Less Than 0.75mA, 230Vac input
Standby Power Loss ≦0.5W, 240Vac input,+5VDC 40mA Load
Input Fuse T3.15AL/250Vac
1.2.2 Output Electrical Characteristics
Output
Regulation Min. current Rated current Peak current
Voltage
+24V +24V±5% 0.1A 2.0A 2.5A
+12V +12V±5% 0.1A 2.0A 3.0A
+5VSB +5V±5% 0.1A 0.5A 0.8A
Note:* pulse width within 100ms .
1
168P-P32ELL-W1 Service manual
1.2.3 Output ripple and noise
Output Voltage Ripple & Noise (Max.)
+24V 240mVp-p@25℃; 350mVp-p@-10℃
+12V 120mVp-p@25℃; 200mVp-p@-10℃
+5VSB 100mVp-p@25℃; 200mVp-p@-10℃;
Note: 1) Measurements shall be made with an oscilloscope with 20MHz bandwidth.
2) Outputs shall be bypassed at the connector with a 0.1uF ceramic capacitor and a 10uF
electrolytic capacitor to simulate system loading.
2.Circuit description）
2.1 The power circuit diagram
2.2 Each part of the circuit description
2.2.1 the main part of the circuit)：NXP TEA1733P
2
Loading...