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Con
fidential
SERVICE MANUAL
Unleaded Solder is Used
PEG-UX50/UX40
Ver 2-2003I
Revision History
TABLE OF CONTENTS
1. TEST MODE CHECK
1-1. Starting the Test Mode ................................................ 1-1
1-2. Executing the Test Mode ............................................ 1-1
2. BLOCK DIAGRAMS
2-1. Overall Block Diagram .............................................. 2-1
3. SCHEMATIC DIAGRAMS AND
PRINTED WIRING BOARDS
···································· 3-1
• MP-56/MP-71 (Charge) .................................................... 3-2
• MP-56/MP-71 (Power) ..................................................... 3-4
• MP-56 (CPU) .................................................................... 3-6
• MP-71 (CPU) .................................................................... 3-8
• MP-56/MP-71 (SDRAM) ............................................... 3-10
• MP-56 (Lily Module) ..................................................... 3-12
• MP-71 (Mdoc) ................................................................ 3-14
• MP-56 (802.11b Module) ............................................... 3-16
• MP-56 (BT Module/Antenna SW) ................................. 3-18
• MP-71 (BT Module/Antenna SW) ................................. 3-20
• MP-56/MP-71 (Audio) ................................................... 3-22
• MP-56/MP-71 (LCD/CAM/IrDA etc I/F) ...................... 3-24
• MP-56/MP-71 (SP/MIC/Key etc I/F) ............................. 3-26
• MP-56 PRINTED WIRING BOARD ............................. 3-28
• MP-71 PRINTED WIRING BOARD ............................. 3-30
4. DATA WRITING
4-1. Writing the Flash ID
Serial number check and rewriting ............................. 4-1
4-2. Writing the Big Rom Data ......................................... 4-2
4-3. LCD VCom Adjustment ............................................. 4-2
4-4. Confirming the Result of Adjustment and Repair ...... 4-2
4-5. How to Change of Model ID When Refurbishing ...... 4-2
5. ELECTRICAL PARTS LIST
······································ 5-1
History of the changes is shown as the
“Revision History” at the end of this data.
9-874-649-32
PERSONAL ENTERTAINMENT
ORGANIZER
For American Area
US/Canadian Model
PEG-UX50/U
PEG-UX40/U
Mexican Model
PEG-UX50/M
For European Area
AEP Model
PEG-UX50/E
For Asian/Oceania Area
Singapore Model
PEG-UX50/G
Hong Kong Model
PEG-UX50/H
PEG-UX50