4-25
MECHANISM TROUBLESHOOTING GUIDE
In PB mode Tape Presence
not sensed.
Is the Pinch Roller attached
to the Capstan Motor Shaft?
Check Alignment positions
(page 4-13).
Does the T/Up Reel turn?
Replace the Belt.
Is the Belt ok?
Does the Drum Motor turn?
Are there DPG, DFG pulses?
Are the T/Up and Supply Reel
Sensors ok?
Check the Syscon, Circuit.
Check the Syscon, Circuit.
Check the Servo, Syscon.
Does the Capstan Motor turn?
Is the terminal voltage(vctl) of the
Drum Motor more than 4V?
Replace the
Drum Motor.
Is the Vcc voltage of the Drum
Motor normal?
Check the Clutch and Idler
Assembly.
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is the terminal voltage(vctl) of
Capstan Motor supplied more
than 4V?
Replace the Capstan Motor.
Is the voltage supplied to the
Capstan Motor Vcc1,Vcc2 each?
YES
YES
YES
Check the Servo, Power.
NO
NO
NO
E.
Summary of Contents for SD-33VB
Page 42: ...P NO 3834RP0099E Printed in Indonesia ...
Page 43: ...1 42 ...
Page 69: ......
Page 122: ...MEMO ...
Page 123: ...EXPLODED VIEW 1 Deck Mechanism Exploded View 5 1 CONTENTS SECTION 5 MECHANISM OF DVD PART ...
Page 138: ...6 20 ...
Page 172: ...3 32 3 33 2 TU IF NICAM A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO TOSHIBA ...
Page 175: ...3 38 3 39 5 SCART JACK CIRCUIT DIAGRAM TOSHIBA ...
Page 177: ...3 42 3 43 7 TIMER CIRCUIT DIAGRAM ...
Page 181: ...3 50 3 51 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Page 183: ......
Page 188: ......
Page 191: ...3 83 3 84 3 AUDIO CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17447A ...
Page 192: ...3 85 3 86 4 AV JACK CIRCUIT DIAGRAM COMBI SCART MTK 03 3 25 SR17446A ...
Page 195: ...3 91 3 92 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE ...
Page 196: ......