Philips MC-70 - Regulator Board

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This assembly drawing shows all possible versions. For components used in a specific version see schematic diagram respectively parts lists.

3139 113 3441 pt 1 dd wk 103

Regulator Board (Componentside view)

Main Page

Table of Contents1
Location of Pc Boards2
Version Variations2
Specifications3
Measurement Setup4
Tuner FM4
Tuner am (MW,LW)4
Recorder4
Service Aids5
Handling Chip Components5
Warning6
Laser Product6
Contents7
General Information8
Preparations8
Environmental Information8
Supplied Accessories8
Controls9
FM Antenna9
Speaker Connection9
Optional Connections9
Basic Functions10
Plug and Play10
Demonstration Mode11
Switching the System on11
Switching the System to Standby Mode11
Switching the System to Eco Power Standby Mode11
CD Operation12
Bass/Treble12
IS (Incredible Sound)12
Loading Disc12
Disc Playback13
Programming the Disc Tracks13
Repeat13
Shuffle13
Radio Reception14
Storing Preset Radio Stations14
Automatic Preset Programming14
Manual Preset Programming14
Tape Operation/Recording15
To Start NEWS Function15
Tape Playback15
General Information on Recording16
Preparation for Recording16
One Touch Recording16
CD Synchro Recording16
Clock/Timer17
Clock Setting17
Display Clock17
Timer Setting17
Maintenance18
Troubleshooting18
Changing the Cabinet18
Cleaning Discs18
Additional Features for Other Versions19
Changing Tuning Grid19
Dismantling Instructions21
Dismantling of the Cassette Cover21
Dismantling of the 3DTC Module and Tuner Board21
Detaching the Front Panel Assembly from the Bottom/Rear Assembly21
Dismantling of the Front Panel Assembly22
Dismantling of Rear Panel22
Dismantling of the Bottom Assembly22
Service Positions & Repair Hints23
Service Test Program24
Set Block Diagram25
Set Wiring Diagram26
Front Display Board27
Ftd Display Pin Assignment & Connection27
Circuit Diagram28
Component Layout29
Chip Layout29
Electrical Parts List - Front Display Board30
ECO6 Tuner Board33
Block Diagram33
Service Test Programs35
Electrical Partslist ECO636
Front Control Board41
Standby (Power) Part - Circuit & Layouts41
Etf6-Le Tape Module45
Connectors Assignments46
Tapedeck Wiring (Single Deck)47
Tape Mechanism Electronics47
Variation Table for Analog Circuit47
Tape Adjustment & Check Table47
Analog Circuit49
Servo Control Circuit51
Tape Mechanism52
Exploded View - Tape Module53
Electrical Parts List - Etf6 Board54
3DTC Module57
Wiring59
Module59
CD Drive59
Brief Description60
Initial State60
Tray Open60
Carriage Extra61
Location of Switches61
Truth Table62
Timing Diagrams63
Load All Discs65
Change ‘Backwards’66
Change ‘Forwards’66
Block Diagram 3Dtc67
Mainboard Componentside View68
Mainboard Copperside View68
3DTC-Mainboard71
3Disc Tray Changer Exploded View73
POWER 2001 Module75
Circuit Details75
Amplifier75
Class75
Circuit Details Continued76
Low Power Standby Feature76
DC Voltages +A1, +B1, +C176
Generation of +C176
Blockdiagram Power 2001 40W Super-G77
Mains Board Copperside View78
MAINS Board79
Combi Board80
Hole Mounted Components Seen from Copperside82
Circuit Diagram Regulator Board85
Regulator Board86

Philips MC-70 - Regulator Board

Table of Contents

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