PDP-427XD
108
1234
1234
C
D
F
A
B
E
7.2 ADJUSTMENT REQUIRED WHEN PART IS REPLACED
The assembly must be replaced as a unit, and no
part replacement is allowed.
The assembly must be replaced as a unit, and no
part replacement is allowed.
POWER SUPPLY Unit
MAIN Assy
DIGITAL Assy
No adjustment is required after replacement of parts
other than those mentioned above.
No adjustment is required after replacement of parts
other than those shown in the following page.
No adjustment is required after replacement of parts
other than those shown in the following page.
No adjustment is required after replacement of parts
other than those mentioned above.
No adjustment is required after replacement of parts
other than those mentioned above.
X MAIN DRIVE Assy
No adjustment required
X SUB DRIVE Assy
Y MAIN DRIVE Assy
No adjustment required
Y SUB DRIVE Assy
No adjustment required
TANSHI Assy
R07 DT Assy (PDP-427XD / 4270XD only)
ADDRESS Assy
No adjustment required
SENSOR Assy
Notes on replacing parts
For the parts described in the list below, replacement is required for the whole Assy, not only the defective part.
If any part listed below is identified as defective and needs replacement, replace the whole Assy, and make necessary
adjustments after replacement.
Reason: The whole Assy must be replaced, because adjustments and data rewriting for the Assy at the level of production
line are required.
PCB Assy No. Function Name
Parts that Require Whole-Assy Replacement
Ref No. Function Name Part No.
AWW1240 42 DIGITAL Assy
IC3151 Module microcomputer AGC1011
IC3401 Sequence IC PEG239A
IC3301 Flash memory AGC1009
IC3156 EEPROM BR24L04FJ-W
AWW1140 SENSOR Assy IC3652 EEPROM BR24L02FJ-W
AWV2318 (PDP-427XD
and PDP-427XA)
AWV2320 (PDP-4270XD
and PDP-4270XA)
MAIN Assy
IC4901 RGB switch R2S11001FT
IC5101 MAIN VDEC UPD64015GM-UEU
IC4603 Flash ROM AGC1020
IC4701 AV switch R2S11002AFT
IC5103 SUB VDEC TVP5150AM1PBS
IC5301 A/D Converter AD9985KSTZ-110
IC5403 EEPROM BR24L02FJ-W
IC5404 EEPROM BR24L02FJ-W
IC8202 Flash ROM AGC1019
IC8301 Flash UCOM AGC1016
IC8402 Flash ROM AGC1018
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