Philips 32PFS5709/12 Service Manual page 68

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