DVD Mechanism Unit is defective.
Replace the DVD Mechanism Unit.
Cause: Spindle Motor Problem
DVD Mechanism Unit is defective.
Replace the DVD Mechanism Unit.
IC8001 on the DVD Main C.B.A. is defective.
Replace IC8001 on the DVD Main C.B.A.
Replace IC8801 on the DVD Main C.B.A.
NG
Replace the IC8801 on the DVD Main C.B.A.
NG
OK
DVD Mechanism Unit is defective.
Replace the DVD Mechanism Unit.
NG
NG
OK
OK
Check the signal at TP8808 (SPIN) on the DVD Main
C.B.A.
OK
Still NG
TP8801
TP8802
TP8814
Check the voltage at TP8954 on the DVD Main C.B.A.
Is it +5.0 V ?
Check the voltage at TP8971 on the DVD Main C.B.A.
Is it +2.2 V ?
Cause: Pickup Problem
IC8801 on the DVD Main C.B.A. is defective.
Replace IC8801 on the DVD Main C.B.A.
IC8801 on the DVD Main C.B.A. is defective.
Replace IC8801 on the DVD Main C.B.A.
IC8001 on the DVD Main C.B.A. is defective.
Replace IC8001 on the DVD Main C.B.A.
If the Message "PLEASE CHECK THE DISC, AND
FOR STAINS OR SCRATCHES ON DISC" appears.
If the Message "PLEASE CHECK THE DISC, AND
FOR STAINS OR SCRATCHES ON DISC" appears.
Check the signal at TP8801 and TP8802 on the DVD
Main C.B.A.
Check the signal at TP8814 on the DVD Main C.B.A.
Cause: Traverse Problem
IC8001 on the DVD Main C.B.A. is defective.
Replace IC8001 on the DVD Main C.B.A.
1 V
2 V
V1 0.5 Vp-p
V1 2.0 Vp-p
V1 1.8 Vp-p
5 ms
5 ms
2 V
5 ms
TROUBLESHOOTING HINTS
PV-D4733S/PV-D4743/PV-D4743S/PV-D4743S-K
Summary of Contents for PV-D4733S-K
Page 15: ...R1522 ERJ6GEYJ103V MGF CHIP 1 10W 10K 15 ...
Page 45: ...Fig 16 1 Fig 16 2 6 1 4 2 REMOVAL OF CSP IC Fig 16 3 45 ...
Page 46: ...6 1 4 3 INSTALLATION OF CSP IC Fig 16 4 46 ...
Page 47: ...Fig 16 5 47 ...
Page 48: ...6 1 4 4 CSP IC LOCATION Fig 16 6 48 ...
Page 134: ...Fig D2 22 ...
Page 139: ...5 2 2 Inner Parts Location Fig J1 1 27 ...
Page 140: ...5 2 3 EJECT Position Confirmation Fig J1 2 28 ...
Page 147: ...5 2 8 Capstan Motor Unit Fig J6 5 2 9 T Loading Arm Unit and S Loading Arm Unit Fig J7 1 35 ...
Page 152: ...5 3 CASSETTE UP ASSEMBLY SECTION 5 3 1 Top Plate Wiper Arm Unit and Holder Unit Fig K1 1 40 ...
Page 168: ...10 2 MECHANISM BOTTOM SECTION 56 ...
Page 169: ...10 3 CASSETTE UP COMPARTMENT SECTION 57 ...
Page 170: ...10 4 CHASSIS FRAME AND CASING PARTS SECTION 58 ...
Page 171: ...10 5 PACKING PARTS AND ACCESSORIES SECTION 59 ...
Page 187: ...75 ...
Page 192: ...80 ...
Page 194: ...82 ...
Page 202: ...90 ...