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The DC voltages required at various parts of the chassis and panel are provided by a main power supply 
unit. MB60 chassis can operate with IPS60, IPS16, IPS17, PW26, PW27 as main power supply and also with 
12V adaptor. 

CN706 is used for IPS60, IPS16 and IPS17 and CN1 is used for PW26 and PW27.

JK9 is used for the adapter option and also CN705 inverter socket or DB32 chassis with CN706 is used to 
supply backlight.

The power supplies generate 18V, 12V, 5V, 3,3V and 12V, 5V, standby mode DC voltages. Power stage 
which is on-chassis generates 5V, 3V3 stand by voltage and 12V, 8V, 5V, 3V3, 2.5V, 1,8V and 1,2V supplies 
for other different parts of the chassis. Chassis block diagram is indicated below.

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For adopter case also below blocks are necessary.

  

Short circuit protection is necessary for protecting chassis and main IC against damages when any Vcc 
supply shorts to ground. Protect pin should be logic high while normal operation. When there is a short 
circuit protect pin should be logic low. After any short detection, SW forces LEDs on LED card to blink.