KX-TDE0105XJ - Panasonic PBX Service Manual (repair manual). Page 6

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6
KX-TDE0105XJ
4 Technical Descriptions
4.1.
Block Diagram
4.2.
Circuit Operations
4.2.1.
Explanation
The SRAM (IC5001-IC5003) is mounted on the IPCMEC card.
These memories are controlled by the CPU (IC101) mounted on the IPCEMPR.
+3.3VD
60pin 
Connector 
CN5001
CARD_PRESNT
EX1_A[1-22]
EX1_D[0-15]
DECODER
IC5004
IC5005
IC5006
MEMORY_nCS0
+3.3VD_B
Control Signals
SRAM
6MB
IC5001
IC5002
IC5003
MEMORY_CARD_ID[0-1]
KX-TDE0105XJ BLOCK DIAGRAM
MEMORY_nCS1
MEMORY_nCS0[0-1]
+3.3VD
+3.3VD_B
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