4-4
PUT DISC IN TRAY.
CHECK THE LASER POWER
CIRCUIT BETWEEN ES8381
AND POWER TRANSISTOR.
(Q405, Q406)
LASER
TURNS ON WHEN
READING DISC?
DVDLD
OR CDLD OUTPUT
PROPERLY?
NO
NO
YES
CHECK THE RELATED
CIRCUIT OF LASER
POWER TRANSISTOR.
COLLECTOR
VOLTAGE OF POWER
TRANSISTOR IS OK?
(Q405, Q406)
NO
YES
YES
C
D
CHECK CABLE CONNECTION
BETWEEN PDM01 AND
PICK-UP HEAD.
CHECK THE SPINDLE
RELATED CIRCUIT ON
ES8381
DOES SPINDLE
ROTATE?
PROPER
SPINDLE SIGNAL
ON ES8381.
NO
CHECK THE SPINDLE
CONTROL OF MOTOR
DRIVER (IC404).
SPIN+ &
SPIN- OUTPUT
PROPERLY?
NO
NO
YES
YES
YES
CHECK THE CABLE
CONNECTION BETWEEN
PDM03 AND MD
Содержание MDS902S
Страница 9: ...1 8 MEMO ...
Страница 17: ...2 15 2 16 MEMO MEMO ...
Страница 18: ...2 17 PACKING ACCESSORY SECTION ...
Страница 31: ...3 13 INTERNAL BLOCK DIAGRAM OF ICs 1 HA12237F BLOCK DIAGRAM ...
Страница 32: ...3 14 2 NJW1190 BLOCK DIAGRAM 3 AF330W20FT 3 1 PIN CONFIGURATION ...
Страница 33: ...3 15 3 2 BLOCK DIAGRAM 3 3 PIN DESCRIPTION ...
Страница 34: ...3 16 4 AF350W01FT 4 1 PIN CONFIGURATION 4 2 BLOCK DIAGRAM ...
Страница 35: ...3 17 4 3 PIN DESCRIPTION ...
Страница 36: ...3 18 3 19 WIRING DIAGRAM ...
Страница 37: ...3 20 3 21 BLOCK DIAGRAM ...
Страница 40: ...3 26 3 27 3 AUDIO MAIN SCHEMATIC DIAGRAM ...
Страница 41: ...3 28 3 29 4 DECK SCHEMATIC DIAGRAM ...
Страница 42: ...3 30 3 31 5 USB AUX2 HEADPHONE AMP SCHEMATIC DIAGRAM ...
Страница 43: ...3 32 3 33 6 I O JACK SCHEMATIC DIAGRAM ...
Страница 44: ...3 34 3 35 7 AMP SCHEMATIC DIAGRAM ...
Страница 45: ...3 36 3 37 8 WOOFER AMP SCHEMATIC DIAGRAM ...
Страница 46: ...3 38 3 39 9 FRONT SCHEMATIC DIAGRAM ...
Страница 47: ...3 40 3 41 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW ...
Страница 48: ...3 42 3 43 MAIN P C BOARD BOTTOM VIEW ...
Страница 49: ...3 44 3 45 2 SMPS POWER P C BOARD 3 SUB SMPS POWER P C BOARD ...
Страница 50: ...3 46 3 47 4 FRONT P C BOARD TOP VIEW ...
Страница 51: ...3 48 3 49 FRONT P C BOARD BOTTOM VIEW ...
Страница 52: ...3 50 3 51 5 AMP P C BOARD TOP VIEW BOTTOM VIEW ...
Страница 53: ...3 52 3 53 6 WOOFER AMP P C BOARD MEMO ...
Страница 63: ...4 10 4 FOCUS WAVEFORM AT CD 1 F 2 F NO DISK 5 FOCUS WAVEFORM AT DVD 1 Q401 DVD_LD 2 Q402 CD_LD INSERT CD ...
Страница 65: ...4 12 8 TRACKING SIGNAL 1 Tro 2 Tr 3 Tr 9 RF WAVEFORM ...
Страница 66: ...4 13 10 DISK TYPE JUGEMENT WAVEFORM 1 F 2 FDO 3 SVRRF DVD CD ...
Страница 67: ...4 14 MEMO ...
Страница 68: ...4 15 4 16 SCHEMATIC DIAGRAMS 1 MPEG SCHEMATIC DIAGRAM ...
Страница 69: ...4 17 4 18 2 SERVO SCHEMATIC DIAGRAM ...
Страница 70: ...4 19 4 20 3 USB SCHEMATIC DIAGRAM ...
Страница 71: ...4 21 4 22 4 INTERFACE SCHEMATIC DIAGRAM ...
Страница 72: ...4 23 4 24 DVD P C BOARD TOP VIEW PRINTED CIRCUIT DIAGRAM ...
Страница 73: ...4 25 4 26 DVD P C BOARD BOTTOM VIEW ...