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 dvw6100
Page 36: ...3 34 3 35 2 TU IF CIRCUIT DIAGRAM PB REC ...
Page 41: ...3 44 3 45 7 KEY CIRCUIT DIAGRAM SRC1203 SRC1203 SRC1203 LD601 C6G1 C6G2 PT3955 DVW 6100 SANYO ...
Page 44: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 3 50 3 51 ...
Page 63: ... 02 12 04 R17149A DVW 6100 SANYO DAP202K 3 76 3 77 6 JACK CIRCUIT DIAGRAM ...
Page 68: ...LOCATION GUIDE 3 86 3 87 PRINTED CIRCUIT DIAGRAMS NS 1 SUB P C BOARD TOP VIEW ...
Page 69: ...LOCATION GUIDE 3 88 3 89 2 SUB P C BOARD BOTTOM VIEW ...
Page 129: ......