Philips 50PUN6102/61 Service Manual page 14

6.2 Power Supply
Power architecture of this platform.
Display power
CN8603
(for 715G9324P)
CN8601
(for 715G7374P)
PFC
For 50", 55"
6.2.1 Power Supply Unit
All power supplies are a black box for Service. When defective, a new board must be ordered and the defective one must be returned, unless the main fuse
of the board is broken. Always replace a defective fuse with one with the correct specifications! This part is available in the regular market.
Consult the Philips Service web portal for the order codes of the boards.
Important delta's with the platform are:
• New power architecture for LED backlight
• "Boost"-signal is now a PWM-signal + continuous variable
The control signals are:
• PS-ON
• Lamp "on/off"
• DIM (PWM) (not for PSDL)
In this manual, no detailed information is available because of design protection issues.
• +16 output (on-mode)
• +16V_audio (audio AMP power)
• Output to the display; in case of
- IPB: High voltage to the LCD panel
- PSL and PSLS (LED-driver outputs)
- PSDL (high frequent) AC-current.
6.2.2 Diversity
The diversity in power supply units is mainly determined by the diversity in displays.
The following displays can be distinguished:
• CCFL/EEFL backlight: power panel is conventional IPB
• LED backlight:
- side-view LED without scanning: PSL power panel
- side-view LED with scanning: PSLS power panel
Platform power
DIM
ON/OFF
PS_ON
16V
16V_A
AC-input +
Main filter
AC IN
AUDIO
AMP
16V
Platform
MSD91H
CN701
LVDS
12V