CDX-T69, CDX-T69X - Sony Car Audio Service Manual (repair manual). Page 3

Read Sony CDX-T69 / CDX-T69X Service Manual online

CDX-T69/T69X
3
3
TEST DISC
This set can playback a CD-R, CD-RW for audio use. When test
this set, use the following test disc.
Test disc for CD-R: TCD-R082LMT (Part No.: J-2501-063-1)
Test disc for CD-RW: TCD-W082L (Part No.: J-2501-063-2)
Notes on CD-R/CD-RW discs
• You can play CD-Rs/CD-RWs (recordable CDs/
rewritable CDs) designed for audio use on this unit
(fig. 
H
).
• Some CD-Rs/CD-RWs (depending on the equipment
used for its recording or the condition of the disc) may
not play on this unit.
• You cannot play a CD-R/CD-RW that is not finalized*.
A process necessary for a recorded CD-R/CD-RW disc to be
played on the audio CD player.
H
Look for this mark to distinguish CD-Rs/CD-RWs for audio use.
This mark denotes that a disc is not for audio use.
TABLE  OF  CONTENTS
SERVICING NOTES
..........................................................
2
1.
GENERAL
...................................................................
4
Installation .......................................................................
5
Connections .....................................................................
5
2.
DISASSEMBLY
2-1. Disassembly Flow ...........................................................
6
2-2. Front Panel (S) Assy, Case (Upper S) ............................
6
2-3. Mechanism Deck (MG-276A-159) ................................
6
2-4. JACK Board ....................................................................
7
2-5. Belt (TS) ..........................................................................
7
2-6. MAIN Board ...................................................................
8
2-7. Escutcheon (S), Slide Variable Resistor
(Elevator Height Sensor) (RV301) .................................
8
2-8. MD Motor Assy (Elevator) (M104) ................................
9
2-9. LE Motor Assy (Chucking) (M103) ...............................
9
2-10. RF Board ......................................................................... 10
2-11. Sled Motor Complete Assy (M101) ............................... 10
2-12. Optical Pick-up (KSS-720A) .......................................... 11
2-13. Chassis (EV) Assy ........................................................... 11
2-14. Lever (CHK.L) Assy, Lever (CHK.R) Assy ................... 12
2-15. Chassis (OP) Block Service Assy ................................... 12
3.
MECHANICAL  ADJUSTMENT
.......................... 13
4.
ELECTRICAL  CHECK
.......................................... 14
5.
DIAGRAMS
5-1. Block Diagram  – SERVO Section – .............................. 17
5-2. Block Diagram  – BUS CONTROL/
POWER SUPPLY Section – ........................................... 18
5-3. Note for Printed Wiring Boards and
Schematic Diagrams ....................................................... 19
5-4. Printed Wiring Boards  – RF Board – ............................ 20
5-5. Schematic Diagram  – RF Board – ................................. 21
5-6. Printed Wiring Boards
– MAIN Board (Component Side) – .............................. 22
5-7. Printed Wiring Board
– MAIN Board (Conductor Side) – ................................ 23
5-8. Schematic Diagram  – MAIN Board (1/2) – .................. 24
5-9. Schematic Diagram  – MAIN Board (2/2) – .................. 25
5-10. Printed Wiring Boards  – JACK Board – ........................ 26
5-11. Schematic Diagram – JACK Board – ............................. 26
5-12. IC Pin Function Description ........................................... 30
6.
EXPLODED  VIEWS
6-1. Case Section .................................................................... 33
6-2. Mechanism Deck Section-1 (MG-276A-159) ................ 34
6-3. Mechanism Deck Section-2 (MG-276A-159) ................ 35
7.
ELECTRICAL  PARTS  LIST
............................... 36
DISC  MAGAZINE  GETTING  OUT  PROCEDURE
ON  THE  POWER  SUPPLY  IS  OFF
Remove the CASE (LOWER. S) beforehand
1) Press the lever (MZ LOCK) in the direction of arrow A.
2) Removal the magazine assy.
Note:
 Take out the magazine only when the tray is completely within the
magazine. If the disk or tray is sticking out, turn on the power and
eject the magazine.
Lever (MZ LOCK) 
Magazine assy
A
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