![background image](http://html.mh-extra.com/html/haier/tv-8888-35/tv-8888-35_service-manual_138222014.webp)
6.6.3 X/Y Sustainer Board:
Function:
Receive the signal from DIF.And output high voltage scan signal to
panel.
6.6.4 Audio Amplifier Board:
Function:
It comprises special swith mode power supply and audio amplifier and
electronic swith for outer and inner speakers exchange.
It connects to 300V from main power supply on the module from socket CN5601.
M5502 connects to inner speakers by cable.
M5503 connects to outer speakers socket boards by cable.
M5501 connects to VIF and receives the R,L audio signal,MUTE,SWITCH control
signal.
The inner output power is up to 4w.And the outer ouput power is up to 20w together
on 4ohm impedance.
12
Introduction of PDP Circiut