Read Panasonic DP-8020E / 8020P* / 8016P (serv.man2) Service Manual online
13
DEC 2006
Ver. 1.0
DP-8020E/8020P*/8016P
2.3.
PNL PC Board Block Diagram (Panel PCBs)
The PNL1 PCB consist of Panel Control CPU, Real Time Clock and other peripherals. It has no decision
making functions, which are controlled by Command Signals from the SC PCB.
The PNL2 and 3 consist of LED and Switches, which are controlled by PNL1.
making functions, which are controlled by Command Signals from the SC PCB.
The PNL2 and 3 consist of LED and Switches, which are controlled by PNL1.
SCN0 ~11
LED0 ~9
KEYIN0~5
CPU (V850)
nWAKUP
nSLPKY
DB[0~7]
LCD Module
PNL3
(SW/LED Board)
KEY:26
LED :23
LED :23
PNL SYSTEM DIAGRAM
RTC
(RE AL TIME
CLOCK)
S-3510ANFJ-TF
LEDC T0,1
TX D
BZCLK
RXD
A/ D
PNL2
(SW/LED Board)
KEY :20
LED :30
LED :30
DC/DC
Converter
3. 3V
IC
5V
BATLVL
3.3V
WR
SIO
SCK
RD
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