MECHANISM TROUBLESHOOTING GUIDE
4-23
Auto REW doesn't work.
Is the supply to the END sensor
END sensor "H"?
“H”: more than 3.5V
“L”: less than 0.7V~1V
Is the voltage across IR LED
between 0.8~1.5V?
Replace LED.
Is the Vcc. voltage of End
sensor 5V?
Check the syscon power.
Replace End sensor.
Check syscon circuit.
NO
YES
YES
YES
NO
NO
NO
1.Deck Mechanism
A.
NO
NO
NO
No F/R modes.
Is the present mode,
F/R Mode?
Is the mode SW assembled
correctly (refer to Pages 4-14.)
Is the normal voltage supplied to
the Capstan Motor Vcc1, Vcc2.?
Check Servo, Power Circuits.
Replace the Capstan Motor.
Does the Capstan Motor rotate?
Is terminal voltage (Vctl) of Capstan
Motor supply side more than 4V?
Does the T/Up, Supply Reel
rotate?
Check syscon circuit.
YES
YES
YES
YES
YES
YES
B.
Содержание ABV341 Series
Страница 2: ......
Страница 36: ...3 34 3 35 2 TU IF CIRCUIT DIAGRAM PB REC...
Страница 39: ...3 40 3 41 5 JACK CIRCUIT DIAGRAM...
Страница 41: ...3 44 3 45 7 TIMER CIRCUIT DIAGRAM XBV343...
Страница 42: ...3 46 3 47 8 TIMER CIRCUIT DIAGRAM XBV342...
Страница 45: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Страница 65: ...02 12 04 R17149A ZENITH DAP202K 3 80 3 81 6 JACK CIRCUIT DIAGRAM...
Страница 70: ...LOCATION GUIDE 3 90 3 91 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW...
Страница 71: ...LOCATION GUIDE 3 92 3 93 2 MAIN P C BOARD BOTTOM VIEW...
Страница 92: ...3 114 2 Audio related Signal ASDAT3 IC501 PIN 157 ABCK IC501 PIN 148 ALRCK IC501 PIN 149 ASDATA3 FIG 14 2...
Страница 98: ...3 121 3 122 2 RF DSP SERVO CIRCUIT DIAGRAM CD DVD LD will not on COMBI SCART MTK 03 3 25 SR17445A...
Страница 99: ...3 123 3 124 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A...
Страница 100: ...3 125 3 126 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A...
Страница 103: ...3 131 3 132 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Страница 110: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART MTK MODEL...
Страница 134: ...4 22 GEAR F R GEAR AY P2 P3 F R Lever Tension Base Boss CAM...