Sharp 32LF-94EC Service Manual page 49

Memory at EBIU Interface for SW Code/Data
• Addressable space up to 8Mbyte
• Memories supported
– 16bit Standard asynchronous ROM, SRAM, FLASH
– 16bit Page mode Flash support (AMD, Intel and ST)
• Memory Functions
– Code memory up to 8Mbyte (FLASH/ROM/RAM)
– Data memory up to 8Mbyte (RAM)
2
Memory at I C Interface
• Software support of external non-volatile memory connected to I
Important pins need to be checked in case of troubleshooting
Port Measure
On/Off pin33 of PL402
On/Off pin33 of PL402
Mute pin7 of PL402
Degauss pin31 of PL402
Reset pin1 of IC316
Protection Base of Q719
LED pin
LED pin
Supply_switch pin
Supply_switch pin
AK53 D.O.C. Service Manual
State Function
low normal operation
high stand by mode
low Audio amplifier is muted
low Degaussing is done
High Resets ADOC
low TV set goes to stby mode
high LED light as red (stby)
low LED light as green (on)
high 5V is selected via Q106
low V8Stby is selected via
Q106
25
2
C interface
22/03/2004