Sony xr ca 650 x service manual

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sony xr ca 650 x service manual

Extracted text from sony xr ca 650 x service manual (Ocr-read)


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2 XR-CA650X Notes on chip component replacement -Never reuse a disconnected chip component. -Notice that the minus side of a tantalum capacitor may be dam- aged by heat. Flexible Circuit Board Repairing -Keep the temperature of the soldering iron around 270 ˚C dur- ing repairing. -Do not touch the soldering iron on the same conductor of the circuit board (within 3 times). -Be careful not to apply force on the conductor when soldering or unsoldering. TABLE OF CONTENTS 1. GENERAL Location of Controls....................................................... 3 2. DISASSEMBLY 2-1. Disassembly Flow........................................................... 8 2-2. Sub Panel Assy................................................................ 8 2-3. Mechanism Deck (MG-25F-136)................................... 9 2-4. MAIN Board................................................................... 9 2-5. Heat Sink (2P)................................................................. 10 3. ASSEMBLY OF MECHANISM DECK 3-1. Assembly Flow................................................................ 11 3-2. Housing........................................................................... 11 3-3. Arm (Suction)................................................................. 12 3-4. Lever (LDG-A)/(LDG-B)............................................... 12 3-5. Gear (Loading FT).......................................................... 13 3-6. Guide (C)......................................................................... 13 3-7. Mounting Position of Capstan/Reel Motor (M901)....... 14 4. MECHANICAL ADJUSTMENTS ....................... 15 5. ELECTRICAL ADJUSTMENTS Tape Deck Section.......................................................... 15 Tuner Section.................................................................. 15 6. DIAGRAMS 6-1. Note for Printed Wiring Boards and Schematic Diagrams....................................................... 16 6-2. Printed Wiring Board – MAIN Board –......................... 17 6-3. Schematic Diagram – MAIN Board (1/3) –................... 18 6-4. Schematic Diagram – MAIN Board (2/3) –................... 19 6-5. Schematic Diagram – MAIN Board (3/3) –................... 20 6-6. Printed Wiring Board – SUB Board –............................ 21 6-7. Schematic Diagram – SUB Board –............................... 21 6-8. Printed Wiring Board – KEY Board –............................ 22 6-9. Schematic Diagram – KEY Board –.............................. 23 6-10. IC Pin Function Description........................................... 25 7. EXPLODED VIEWS 7-1. Chassis Section............................................................... 28 7-2. Front Panel Section......................................................... 29 7-3. MAIN Board Section...................................................... 30 7-4. Mechanism Deck Section (MG-25F-136)...................... 31 8. ELECTRICAL PARTS LIST ............................... 32

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3 XR-CA650X rDISC/PRESET buttons (+/–) To receive preset stations, change the disc* 1, skip albums* 2, and select a menu. *1When an optional CD/MD unit is connected.*2Available only when optional CD unit with the MP3 file control function is connected. sSEEK buttons (–/+) To skip tracks, fast-forward, reverse a track, tune in stations automatically, find a station manually, and select a setting. SEEK EQ7 SOUND ENTER LIST MENU DISC/PRESET OPEN DISC/PRESET SEEKDISC/PRESET DISC/PRESET (SEEK) (–): to select leftwards/ .(SEEK) (+): to select rightwards/ > (DISC/PRESET) (+): to select upwards In menu mode, the currently selectable button(s) of these four are indicated with a M in the display. (DISC/PRESET) (–): to select downwards SECTION 1 GENERAL This section is extracted from instruction manual. Location of controls Refer to the pages listed for details. aMBP button bMODE (o) button To change the operation. cDSPL (display mode change) button dVolume control dial eDisplay window fZ (eject) button (located on the front side of the unit, behind the front panel) gMENU button To change the menus. hLIST button iOPEN button jOFF (Stop/Power off) button* kRESET button (located on the front side of the unit, behind the front panel) lSOURCE (Power on/Tape/Radio/CD/ MD) button To select the source.mSCRL (scroll) button nReceptor for the card remote commander oSOUND button pENTER button To enter a setting. qEQ7 button *Warning when installing in a car without an ACC (accessory) position on the ignition switch After turning off the ignition, be sure to press and hold (OFF) on the unit until the display disappears. Otherwise, the display does not turn off and this causes battery drain. XR-CA650X SOURCE MBP OFF SCRL DSPL MODE SEEK EQ7 SOUND ENTER LIST MENU DISC/PRESET OPEN DISC/PRESET