Sony xr ca 350 x service manual
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Extracted text from sony xr ca 350 x service manual (Ocr-read)
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2 XR-CA350X 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. Notes on chip component replacement -N ever reuse a disconnected chip component. - Notice that the minus side of a tantalum capacitor may be dam- aged by heat. TABLE OF CONTENTS SERVICING NOTES ............................................... 2 1. GENERAL Location of Controls ....................................................... 3 Setting the Clock ............................................................. 3 2. DISASSEMBLY 2-1. Disassembly Flow........................................................... 7 2-2. Sub P anel........................................................................\ . 7 2-3. Mechanism Deck (MG-36SZ13-32)............................... 8 2-4. MAIN Board ................................................................... 8 2-5. Heat Sink ........................................................................\ . 9 2-6. Brack et (MD).................................................................. 9 2-7. DC Motor (Capstan/Reel) (M901)................................. 10 2-8. Main Belt, Sub Belt (C).................................................. 10 2-9. Head (Playback) (HP901)............................................... 11 3. MECHANICAL ADJUSTMENTS ....................... 12 4. ELECTRICAL ADJUSTMENTS ......................... 12 Ta pe Deck Section.......................................................... 12 T uner Section .................................................................. 13 5. DIAGRAMS 5-1. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 14 5-2. Printed Wiring Board – MAIN Board –........................ 15 5-3. Schematic Diagram – MAIN Board (1/2) –.................. 16 5-4. Schematic Diagram – MAIN Board (2/2) –.................. 17 5-5. Printed Wiring Board – CONTROL Board –................ 18 5-6. Schematic Diagram – CONTROL Board –................... 19 5-7. IC Pin Function Description........................................... 21 6. EXPLODED VIEWS 6-1. General Section ............................................................... 23 6-2. Front P anel Section......................................................... 24 6-3. MAIN Board Section...................................................... 25 6-4. Mechanism Deck Section (MG-36SZ13-32)................. 26 7. ELECTRICAL PARTS LIST ............................... 27 Ver 1.3 SERVICING NOTES SERVICE POSITION In checking the control board and main board, prepare two jigs (extension (MD) cord J-2502-060-1 and connection cable for F/P to main J-2502-072-1). main board(CN600) mechanism deck main board (CN350) main board (CN300) control board (CN900) connect jig (connection cable for F/P to main J-2502-072-1) to the main board (CN600) an d control board (CN900). connect jig (extention (MD) cord J-2502-060-1)to the main board (CN300, CN350) and mechanism deck. SOURCE MODE SELRELEASE EQ3 DSPL ATT DISC REP SHUF ATA 123456 BTM OFF SENS SEEK DIR ATA : TYPE ATA AT A/CAT: TYPE CAT Note of replacing of the IC1 In this set, the IC101 on the MAIN board is changed from the midway of the production. When the replacing of the IC1, be sure to check the model name printed by IC, and replace the IC1 by following the instructions below. -When replacing of the IC1 (MN101C49HAS) Replace the IC1 with the MN101C49HEA (Part No.: 6-603- 178-01), and replace the TU101 (A-3220-944-A) simultaneously. - When replacing of the IC1 (MN101C49HEA) Perform the usual replacing. Note of replacing of the front panel In this set, the front panel is changed from the midway of the pro- duction. W hen the replacing of the FRONT PANEL or FRONT PANEL ASSY, be sure to check the front panel in which type, and replace.
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3 XR-CA350X SECTION 1 GENERAL This section is extracted from instruction manual. Location of controls Refer to the pages listed for details. 1SOURCE (Radio/CD/MD) button 2MODE button During radio reception: Band select During CD/MD playback: CD/MD unit select 3Volume +/– button 4Z (eject) button 5Display window 6m/M (fast winding)/DIR (tape transport direction change) buttons 7SEEK button Seek Automatic Music Sensor Manual search 8DSPL (display mode change) button 9EQ3 button q;RELEASE (front panel release) button qaSEL (select) button qsRESET button (located on the front side of the unit behind the front panel) qdATT (attenuate) button qfNumber buttons During radio reception: Preset number select During CD/MD playback: (1)DISC – (2)DISC + (3)REP (4)SHUF qgBTM/ATA button qhSENS button qjOFF button* *Warning when installing in a car without ACC (accessory) position on the ignition key switch Be sure to press (OFF) on the unit for 2 seconds to turn off the clock display after turning off the engine. When you press (OFF) momentarily, the clock display does not turn off and this causes battery wear. XR-CA350X SOURCE MODE SELRELEASE EQ3 DSPL ATT DISC REP SHUF ATA 123456 BTM OFF SENS SEEK DIR Setting the clock The clock uses a 12-hour digital indication. Example: To set the clock to 10:08 1 Press (DSPL) for 2 seconds. The hour indication flashes. 1 Press either side of the volume button to set the hour. 2Press (SEL). The minute indication flashes. 3Press either side of the volume button to set the minute. 2 Press (DSPL). The clock starts. After the clock setting is complete, the display returns to normal play mode. to go forward to go back to go forward to go back