Philips 32PFS5709/12 - Page 68

Circuit Descriptions
EN 68 TPM14.2E LA7.
2014-Sep-26
back to
div. table
7.2 Power Supply
Refer to figure Figure 7-3 for the power architecture of this
platform.
Figure 7-3 Power Architecture
Figure 7-4 Power Architecture ( only for 58PUx6809)
19617_200.eps
Display power
Platform
MTK5591
PFC (Except 32PFK6509)
Platform power
1 power- PCB
LVDS AMP
Low stby
power
Ac-input + Mains filter
BL-ON/OFF
AC IN
CN9901
CN9101 ( FOR 715G6555/715G6661)
CN8101 ( FOR 715G6338/715G6385/715G6405/715G6169)
CN8101 ( FOR 715G6940)
CN8101 ( FOR 715G6385/715G6432)
CN8501 ( FOR 715G6161)
CN8602 ( FOR 715G6743)
CN8601 ( FOR 715G6743)
DIM
12V
12V
CN700
AMP
12V
PS_ON
19616_200.eps
INPUT
A. EMI FILTER AND RAW B+ CIRCUIT
PFC
CONTROL
CIRCUIT
POWER
TRANSFORMER
PWM
DRIVER
CIRCUIT
B. MAIN POWER STA G E
CONSTANT VOLTAGE
CIRCUIT
C. SECONDARY OUTPUT
D.OUTPUT CONTROL
E.FEED-BACK CIRCUIT
CLAMP
NETWORK
POWER
TRANSFORMER
PWM/SWITCH
DRIVER
CIRCUIT
OPTO-ISOLATOR
RECTIFER CIRCUIT
&
FILTER
CONSTANT VOLTAGE
CIRCUIT
12V
G. SECONDARY OUTPUT
I.OUTPUT CONTROLH.FEED-BACK CIRCUIT
OVP CIRCUIT
OPTO-ISOLATOR
RECTIFIER & FILTER
OPTO-ISOLATOR
J.FEED-BACK CIRCUIT
ON/OFF
POWER
AUX. POWER
F. STAND BY POWER STAG E
AUX. POWER
24V
FUSE
AC
SWITCH
MAIN
RECTIFIER
AC
EMI
FILTER