Sony xr ca 420 x service manual
This is the 46 pages manual for sony xr ca 420 x service manual.
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Extracted text from sony xr ca 420 x service manual (Ocr-read)
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2 XR-CA400/CA420X TABLE OF CONTENTS 1. GENERAL Location of Controls ....................................................... 3 Setting the Clock ............................................................. 3 2. DISASSEMBLY ......................................................... 8 3. ASSEMBLY OF MECHANISM DECK ........... 10 4. MECHANICAL ADJUSTMENTS ....................... 13 5. ELECTRICAL ADJUSTMENTS Tape Deck Section .......................................................... 13 Tuner Section .................................................................. 13 6. DIAGRAMS 6-1. Note for Printed Wiring Boards and Schematic Diagrams ....................................................... 14 6-2. Printed Wiring Board – MAIN Board – ......................... 16 6-3. Schematic Diagram – MAIN Board (1/3) – ................... 17 6-4. Schematic Diagram – MAIN Board (2/3) – ................... 18 6-5. Schematic Diagram – MAIN Board (3/3) – ................... 19 6-6. Printed Wiring Board – KEY Board – ............................ 20 6-7. Schematic Diagram – KEY Board – .............................. 21 6-8. IC Pin Function Description ........................................... 22 7. EXPLODED VIEWS ................................................ 24 8. ELECTRICAL PARTS LIST ............................... 27Notes 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.
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3 XR-CA400/CA420X Setting the clock The clock uses a 12-hour digital indication. Example: To set the clock to 10:08 1 Press (DSPL) for two 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 playback mode. to go forward to go back to go forward to go back Location of controls RELEASE SEL MODESRC OFF DD-BASSMBP 6 5 4 3 2 1 B T M DSPL DISC REP SHUF BL SKIP ATA MTL AT T SEEK AMS SENS SOURCE Refer to the pages listed for details. 1Volume +/– button 7, 10 2MODE (o) button During tape playback: Playback direction change 7, 8 During radio reception: BAND select 9 During CD/MD playback: CD/MD unit select 12 3SRC (SOURCE) (TUNER/TAPE/CD/MD) button 7, 9, 12 4SEL (select) button 7, 10, 11, 12, 13 5Display window 6MBP (My Best sound Position) button 12 7D (D-BASS) button 11 8Z (eject) button 7 9RELEASE (front panel release) button 6, 15 q;ATT (attenuate) button 10 qaSENS button 10 qsRESET button (located on the front side of the unit behind the front panel) 6 qdFrequency select switch (located (XR-CA420X)on the bottom of the unit) See Frequency select switch in the Installation/Connections manual.qfNumber buttons 8, 9, 11, 13, 14 During radio reception: Preset number select 9 During tape playback: (3)REP 8 (5)BL SKIP 8 (6)ATA 8 During CD/MD playback: (1)DISC – 13 (2)DISC + 13 (3)REP 14 (4)SHUF 14 qgBTM/MTL ( Best Tuning Memory/Metal ) button 8, 9 qhDSPL (display mode change) button 7, 12, 13 qjOFF button* 6, 7 qkSEEK/AMS +/– button 8, 9, 10, 13 Seek 10 Automatic Music Sensor 8, 13 Manual search 13 *Warning when installing in a car without ACC (accessory) position on the ignition key switch Be sure to press (OFF) on the unit for two 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. SECTION 1 GENERAL This section is extracted from instruction manual.