2KN/2KP
2-3-10
2-3-3 Main PWB
Figure 2-3-5 Main PWB block diagram
MIP
for
CIS
MIP
for
CCD
Optional
printer
board
CPU
Flash
ROM
Flash
ROM
SDRAM
SDRAM
Memory copy
ASIC (MCP)
CODEC
MPWB
CPUCLK
33 MHz
RE, WE, CS, RESET
Image data
Basis signal
(RVSTIN_b, RCKIN, MREVD)
Image data
Basis signal(CLK, MRE, VSYNC)
Image
data
8 bit
Image data
Pseudo BD signal
OUTPEN
Cover open detection signal (R5V)
PVSYNC
Initial Laser ON signal (LDON)
Control voltage for laser power adjust (LD1, LD2, LD3)
EPWB
HDD
RPWB
DIMM
Clock(ADCLK)
Horizontal scanning
synchronizing signal
(CCDSH)
Horizontal scanning synchronizing
signal (PHSYNC)
Vertical scanning synchronizing
signal (PVOUT)
Address bus/Data bus
*
*
CODEC
Basis
signal
(WCK,
WVST,
MREID)
Image
data
8 bit
Basis
signal
(WCK,
WVST,
MREID)
V
ideo timing controller (VTC)
CODE
DIMM
XIO
VSYNC
Image data
Basis signal
(CLK, MRE, HSYNC)
LV
D
S
VSYNC
Image data
Basis signal
(CLK, MRE, HSYNC)
Image data
Pseudo BD signal
Beam
detection
signal (BD)
BD+
BD-
VXINSEL
Video LVDS signal
(3 beams)
Auto laser power control
signal (a, b, c)
Laser ON enable signal
(LDEN0)
24V, PLGREM, PLGCLK
PLGRDY
RS422
H/L
Clock(ADCLK)
Horizontal scanning
synchronizing signal
(CCDSH)
Buffer
EEPROM
RTC
LCD
controller
OPWB
SBFM
LV
D
S
SHD
PWB
SPWB
CIS
SHD
PWB
CCD
PWB
LSU
SCAN
DIGKEY
PM
APC
PWB
CIS
PD
PWB
Summary of Contents for TASKalfa 620
Page 1: ...SERVICE MANUAL Published in August 2009 842KP112 2KPSM062 Rev 2 TASKalfa 620 820 ...
Page 4: ...This page is intentionally left blank ...
Page 10: ...This page is intentionally left blank ...
Page 144: ...2KN 2KP 1 3 106 This page is intentionally left blank ...
Page 308: ...2KN 2KP 1 5 88 This page is intentionally left blank ...
Page 412: ...2KN 2KP 2 3 60 This page is intentionally left blank ...
Page 435: ...1 1 INSTALLATION GUIDE INSTALLATION GUIDE FOR SIDE FEEDER ...
Page 442: ...INSTALLATION GUIDE FOR LARGE SIZE SIDE FEEDER ...
Page 460: ...INSTALLATION GUIDE FOR DOCUMENT FINISHER ...
Page 475: ...INSTALLATION GUIDE FOR CENTERFOLD UNIT ...
Page 490: ...INSTALLATION GUIDE FOR MULTI JOB TRAY ...
Page 501: ...INSTALLATION GUIDE FOR PUNCH UNIT ...
Page 512: ...INSTALLATION GUIDE FOR STOPPER GUIDE ...
Page 515: ...INSTALLATION GUIDE FOR PRINTING SYSTEM ...
Page 518: ...INSTALLATION GUIDE FOR SCAN SYSTEM ...
Page 520: ......
Page 521: ......