Panasonic AW-CB400L, Service Manual

Page: 16 / 55

BLK-2
CPU, FPGA, I/F, SW BLOCK DIAGRAM
PANEL P.C.BOARD OPTION PANEL P.C.BOARD
ROTALLY ENCODER
see KEY MATRIX TABL
OPTION PANEL
OPTION PANEL
SW302
, 303
, 305-307
SW301
, 304
PANEL
OPERATE LED
PANEL
SW1-24
SW26-30
KO
[0-3
]
KI
[0-7
]
LCD PANEL
OPERATE SW
A
C
B
P
USH SW
DB
[0-7
]
&
LCD
FILTER
LED
CONTRAST
IC10 BUFFER
RS
LCD
, CS
LCD
SW
[1-7
]
BACKL
P1
MAIN P.C.BORAD
P1
12M CLK
IC5 CPU
IC3
IC29 FPGA
BOOT CONNECTOR
PLDCLK
P6(FACTRY ONLY)
BUFFER
IC8 nV-RAM
IC1
P5
IC6
CLKGEN
BZ1 BUZZER
U-COM
IC11
IC28 ROM
UPDATE
RS232C
P9
IC4
GATE
FPGA
UPDATE
RESET
CSRAM
IC9
GATE
A
[0-14
, 20
,21
]
RESET IC
CS
IO
D
[0-7
]
RCBTXD
, RCBRXD
IC7
IC13
, 14
RS422
SELECTOR
REAR P.C.BOARD
P7
P101
TXD+
[1-5
]
TXD-
[1-5
]
RXD+
[1-5
]
RXD-
[1-5
]
CONTROL OUT TO CONTROL PANEL