Sony service manual NW-MS6 Section Servicing Notes

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NW-MS6

SECTION 1

SERVICING NOTES

•NOTE FOR REPLACING THE EEPROM (IC6002)

In case of replacing the EEPROM (IC6002) when repairing this set, it is necessary to write the setting for destination.

When replacing the EEPROM (IC6002), write the setting for destination, referring to “4. TEST MODE, Items to Check in the Test Mode, 3-2. Writing Destination”.

•Replacement of MBM29LV400BC-90PBT (IC5000), HY62UF16201ALLF (IC5600), CXD9534BGG (IC7001) and CXD1859GA (IC8000) used in this set requires a special tool.

•To check the operation when the MAIN board and SUB board are removed, check it after connecting CN100 on the MAIN board and CN200 on the SUB board with the servicing jig (relay board between the MAIN board and SUB board) as shown below.

MAIN board

SUB board

servicing jig (MAIN/SUB relay board)

console unit

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Contents NW-MS6 SpecificationsNW-MS6 Table of ContentsDisassembly DiagramsNW-MS6 Section Servicing Notes NW-MS6 Section General Looking at ControlsNW-MS6 Section Disassembly Disassembly FlowCase Block Assy Case Chassis Main Assy Guide LEDConsole Assy Console UNIT, SUB BOARD, Main BoardConsole Board Preparation NW-MS6 Section Test ModeSetting the Test Mode Releasing the Test ModeFlow Chart of Operations in the Test Mode Items to Check in the Test Mode 1. ROM/RAM Self-checkDisplay of Version and Destination Checking LOW Batt Voltage Checking the Rated VoltageUSB Self-check USBMemo Block Diagram Main Section Section DiagramsGIOE6 Block Diagram DISPLAY/POWER Supply SectionSurface Waveforms Main board Location Printed Wiring Boards Main Section Uses unleaded solderNW-MS6 Schematic Diagram Main /4 See page 27 for IC Block Diagrams NW-MS6 R9032 22k C9036 33k C9037 3300p R9033 Schematic Diagram SUB /2 NW-MS6 SUB Board Component Side SUB Board Conductor Side Printed Wiring Board SUB Section Uses unleaded solderMBM29LV400BC-90PBT-SJDE1-4 SN74LV139APWR MPC18A41FCR2 IC9006 XC62HR1902MR IC PIN Function Description SDI1 WAKE1WAKE0 RXDUSB Xdreq USB XdetVbus XON Vbus INTFrale FrweFrre FrcleMSEL1, MSEL0 CLKSEL3 CLKSEL2EXTAL0 VSS0VDD3 VSS6VSS7 ADR5, ADR6Clkout VDE7Trst VSS13Section Exploded Views General Section17 18 Not supplied Main Board SectionResistors Section NW-MS6 Electrical Parts List MainDiode NW-MS6 MainVibrator Main SUBNW-MS6 SUB SwitchMemo Revision History