Read Panasonic UF-E1 / UF-E1CN (serv.man2) Other Service Manuals online
UF-E1
10
1.5.
Power On Initial Flow Chart
Check Point !!
Vdd
Vdd
IC8
pin2
RESET IC
3.3V
nPONRST
IC8
pin1
RESET IC
0
3.3V
nSYSRST
IC3
pin149
Asic
0
3.3V
n_RESET
IC15
pin100
CPU
0
3.3V
CMCLK
IC3
pin147
Asic
Clock
CMCLK
IC15
pin103
CPU
Clock
n_CS3
IC15
pin38
CPU
Pulse
n_RD
IC15
pin29
CPU
Pulse
CPU OK!!
CA[0:23]
CA[0:23]
IC15
pin39-68 CPU
Pulse
CD[0:15]
IC15
pin10-26 CPU
Pulse
nCSGA
IC3
pin67
Asic
Pulse
nWRE
IC3
pin28
CPU
Pulse
nDOE
IC13
pin33
DRAM
Pulse
nDWE
IC13
pin17
DRAM
Pulse
nRAS
IC13
pin18
DRAM
Pulse
nUCAS
IC13
pin34
DRAM
Pulse
nLCAS
IC13
pin35
DRAM
Pulse
nCSFRIP
IC16
pin47
FRIP4-1
Pulse
PNLR/W
CN14 pin2
Pulse
PNLALE
CN14 pin3
Pulse
PNLDTE
CN14 pin4
Pulse
PNLD[0:3]
CN14 pin5-8
Pulse
nCSVROM
IC6
pin26
FROM
Pulse
Yes
No
nASFA
IC15
pin117
CPU
0V
24V
CN13 pin1-2
24V
5V
CN13 pin5
5V
nHRES
IC18
pin126
Houston
0
5V
nPWRON
IC18
pin11
Houston
0
5V
nPWRKEY
CN15 pin30
0
12V
nHRD
IC18
pin65
Houston
Pulse
nHROMS
IC18
pin64
Houston
Pulse
HAB[1:20]
IC18
pin31-55 Houston
Pulse
HDB[0:15]
IC18
pin66-85 Houston
Pulse
nHLCAS
IC18
pin63
Houston
Pulse
nHUCAS
IC18
pin62
Houston
Pulse
nHWR
IC18
pin61
Houston
Pulse
nHRAS
IC18
pin59
Houston
Pulse
HAEDID
CN15 pin4
Pulse
Yes
No
pCS
IC10
pin5
RTC
Pulse
Yes
No
SCLK
IC10
pin6
RTC
Clock
SIO
IC10
pin7
RTC
Pulse
Display Blink Request
Display Date & Time
12 - AUG 03:00
Reset Ink Drop Counter
Check RTC OK ?
***-** **:**
Display Error Code
Check New Cartridge
Ink Cartridge
Document
Recodeing Paper(Only:German)
Ink Jet Printer(GPB5)
I/O Port Initialize
Serial Port set
Asic Port Initialize
FROM Parity OK
FRIP4-1 Initialize
LCD Initialize
Initialize FROM
CHECK MECHANIZM
CPU Internal Initialize
START
CPU internal processing
Programmable Chip Select Control
Receive Cover
Work RAM(DRAM) Initialize
CPU Stack Pointer Set
CPI Internal Timer Set
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