Xerox WorkCentre Pro 423 Service Manual page 176

WorkCentre Pro 423/428
Individual Diagnostics Chain Function Code List
Chain Function
53 1 G/A MSBC Register Read/Write Test
53 2 DRAM(LM) Add/Data Bus Check
53 3 DRAM(WN) Add/Data Bus Check
53 4 DRAM(OM) Add/Data Bus Check
53 5 DRAM(LM) March Pattern Test
53 6 DRAM(WN) March Pattern Test
53 7 DRAM(OM) March Pattern Test
53 8 OP-MOT Loop Back Test
53 20 BP-F Register Read Test
53 21 BP-F Register Read/Write Test
53 22 BP-F DRAM Address/Data Bus Test
53 23 BP-F March Pattern Test
53 24 BP-F CODEC DMA Test
53 25 BP-F CODEC CODEC Test
53 26 BP-F CODEC EXPRED Test
53 27 BP-F CODEC CLIPPER Test
53 40 ROM
53 42 EEPROM
53 43 SRAM Add/Data Bus Check
53 44 SRAM March Pattern Test
53 45 RTC
53 80 All Logical Block Address Read/Write Check
(Nondestructive)
53 81 All Logical Block Address Read/Write Check
(Nondestructive)
53 82 HDD formatting (512byte/block)
53 83 HDD Internal Diag.
53 84 HDD status check
53 100 DRAM
53 101 DPRAM
53 102 ROM
53 103 DPMC
Item Content
MAIN-SYS
MAIN-SYS
MAIN-SYS
OM
MAIN-SYS
MAIN-SYS
OM
OP-MOT
BP-F
BP-F
BP-F
BP-F
BP-F
BP-F
BP-F
BP-F
MEMORY/RTC
MEMORY/RTC
MEMORY/RTC
MEMORY/RTC
MEMORY/RTC
HDIF/HDD
HDIF/HDD
HDIF/HDD
HDIF/HDD
HDIF/HDD
G3M0
G3M0
G3M0
G3M0
2-144
03/02
Chain Function
53 104 CODEC,RCNV,Image RAM
53 105 MODEM Register,RAM Check
53 106 MODEM Loop Back Test
53 107 EEPROM
53 110 G3M0/ICM Loop Back Test
53 111 G3M0/ICM Loop Back Test
53 152 DPRAM
53 153 CODEC,RCNV,Image RAM
53 154 Internal Loop Back
53 155 DPMC
53 161 G4 Loop Back
53 200 Panel self-diagnosis
53 210 MCPP,LCTC Register Read/Write Test
53 211 ROM
53 212 DRAM Add/Data Bus Check
53 213 DRAM March Pattern Test
53 214 VRAM(SRAM)
53 215 LED Test
53 216 Touch/LCD Test
53 217 Key Test
53 218 MAG. Card Read Test
53 250 ROM
53 251 SRAM
53 252 DPRAM
53 253 ST Transceiver
53 260 Digital signal pattern reception (Channel D)
53 261 Digital signal pattern reception (Channel B1)
53 262 Digital signal pattern reception (Channel B2)
153 100 DRAM
153 101 DPRMA
153 102 ROM
153 103 DPMC
153 104 CODEC,RCNV,Image RAM
CHAPTER 2 TROUBLESHOOTING
How to use the Diagnostic C/E Mode
Item Content
G3M0
G3M0
G3M0
G3M0
G3M0/ICM
G3M0/ICM
G4M0
G4M0
G4M0
G4M0
G4M0
PANEL
PANEL
PANEL
PANEL
PANEL
PANEL
PANEL
PANEL
PANEL
PANEL
ICM
ICM
ICM
ICM
ICM
ICM
ICM
G3M1
G3M1
G3M1
G3M1
G3M1