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 4-14)
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 Supply Reel Sensors
ok?
Check Syscon,
Circuit.
Check Syscon,
Circuit.
Check Servo, Syscon.
Does the Capstan Motor turn?
Is the terminal voltage of the
Drum Motor more than 2.3V?
Replace the
Drum Motor.
Is the Vcc voltage of the Drum
Motor normal?
Check the clutch and the Idler
Assembly.
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
Is the terminal voltage 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 Servo,
Power.
NO
NO
NO
E.
Summary of Contents for D35
Page 11: ...2 5 3 Speaker Section DTE 550TE Speaker Section Part List 850 852 851A 851 853 854 857 858...
Page 34: ......
Page 49: ...3 92 INTERNAL BLOCK DIAGRAM OF ICs CS8415A...
Page 50: ......
Page 59: ...3 38 3 39 2 POWER SMPS CIRCUIT DIAGRAM 2...
Page 60: ...3 40 3 41 3 TU IF ACSS A2 CIRCUIT DIAGRAM EE MODE VIDEO TU MODE AUDIO...
Page 66: ...3 52 3 53 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...
Page 67: ...3 54 3 55 2 KEY RIGHT P C BOARD LOCATION GUIDE 3 KEY LEFT P C BOARD LOCATION GUIDE...
Page 68: ......
Page 71: ...3 72 3 73 3 MPEG CIRCUIT DIAGRAM Optical Coaxial out CVBS Y Pb Pr Componet Y C S VHS WAVEFORM...
Page 74: ...3 78 3 79 6 JACK CIRCUIT DIAGRAM...
Page 78: ...3 86 3 87 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD TOP VIEW LOCATION GUIDE...
Page 79: ...3 88 3 89 2 MAIN P C BOARD BOTTOM VIEW LOCATION GUIDE...
Page 80: ......
Page 83: ...3 97 3 98 CIRCUIT DIAGRAMS 1 AMP CIRCUIT DIAGRAMS...
Page 84: ...2 DSP DIGITAL AUDIO PROCESSING CIRCUIT DIAGRAMS 3 99 3 100...
Page 85: ...3 101 3 102 3 COM CIRCUIT DIAGRAMS...
Page 86: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD SOLDER SIDE LOCATION GUIDE 3 103 3 104...
Page 87: ...3 105 3 106 2 MAIN P C BOARD LOCATION GUIDE...
Page 88: ......
Page 111: ...4 22 GEAR F R GEAR AY P2 P3 Lever F R Base Tension Boss CAM...
Page 120: ...MEMO...
Page 156: ......