Adjustment Required When Part Is Replaced - Pioneer PDP-4271HD Service Manual

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7.2 ADJUSTMENT REQUIRED WHEN PART IS REPLACED

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.
AWW1139
AWW1140
AWV2312
POWER SUPPLY Unit
MAIN Assy (∗)
42 DIGITAL Assy
42 X DRIVE Assy
42 Y DRIVE Assy
42 ADDRESS Assy
SENSOR Assy
TANSHI Assy
(∗) : When replacing the MAIN Assy, be sure to do the FINAL SETUP.
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Function Name
Ref No.
IC3151
IC3401
42 DIGITAL Assy
IC3301
IC3156
SENSOR Assy IC3652
IC4701
IC4901
IC5101
IC5301
IC6201
IC6602
IC6603
IC6604
IC6605
MAIN Assy
IC6902
IC8202
IC8402
PDP-4271HD
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Parts that Require Whole-Assy Replacement
Function Name
Module microcomputer
Sequence IC
Flash memory
EEPROM
EEPROM
AV switch
RGB switch
Main VDEC
A/D converter
System IC
DDR-SDRAM
DDR-SDRAM
DDR-SDRAM
DDR-SDRAM
NOR Flash
Flash ROM
Flash ROM
The assembly must be replaced as a unit, and no
part replacement is allowed.
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.
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 required
No adjustment is required after replacement of parts
other than those mentioned above.
No adjustment required
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Part No.
AGC1011
PEG239A
AGC1009
BR24L04FJ-W
BR24L02FJ-W
R2S11002AFT
R2S11001FT
UPD64015GM-UEU
AD9985KSTZ-110
BCM3517KQLGB0
EDD2516AKTA-6B
EDD2516AKTA-6B
EDD2516AKTA-6B
EDD2516AKTA-6B
AGC1008
AGC1007
AGC1006
111
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A
B
C
D
E
F