3-66
VDR ELECTRICAL TROUBLESHOOTING GUIDE
1. POWER(SMPS) CIRCUIT
No 3.8VA
Replace the F101
(Use the same Fuse)
Is the F101
Normal?
Is the TH01
Normal?
Is the BD101
Normal?
NO
NO
NO
NO
NO
NO
NO
NO
NO
Replace the BD101
Replace the TH01
Is the IC107,Q111
Normal?
Check or Replace
the IC107,Q111
Replace the D122
Replace the IC106
Replace the D123
Replace the D124
Replace the D125
YES
YES
YES
YES
YES
YES
YES
YES
YES
Is Vcc (14V-17V)
supplied to IC101 Pin7?
NO
Are the D122
normal?
Is there about 2.5V
at the IC106 Pin1?
Is the D123
normal?
Is the D124
Normal?
Is the D125
Normal?
Power Line of Main
PCB(VDR) is short
VDR PART
No 3.3V
Check or Replace
the D122
Is there about 3.8V
at the IC154 pin1?
Check the IC154 and
Replace
Is there about 3.3V~ 5V
at the IC154 pin4?
NO
NO
Check the ‘DVD PWR CTL
“H”’ signal from µ-com
YES
YES
Summary of Contents for ZRY-316
Page 38: ...3 34 3 35 A B C D E F G H I J K L M N O P Q R S T 2 TUNER CIRCUIT DIAGRAM...
Page 40: ...3 38 3 39 A B C D E F G H I J K L M N O P Q R S T 4 Hi Fi CIRCUIT DIAGRAM...
Page 42: ...3 42 3 43 A B C D E F G H I J K L M N O P Q R S T 6 JACK CIRCUIT DIAGRAM...
Page 43: ...A B C D E F G H I J K L M N O P Q R S T 3 44 3 45 7 TIMER CIRCUIT DIAGRAM 2 TOOL...
Page 44: ...3 46 3 47 8 TIMER CIRCUIT DIAGRAM 3 TOOL 8 TOOL A B C D E F G H I J K L M N O P Q R S T...
Page 45: ...3 48 3 49 9 TIMER CIRCUIT DIAGRAM 4 TOOL A B C D E F G H I J K L M N O P Q R S T...
Page 46: ...3 50 3 51 10 TIMER CIRCUIT DIAGRAM 6 TOOL A B C D E F G H I J K L M N O P Q R S T...
Page 47: ...3 52 3 53 11 TIMER CIRCUIT DIAGRAM 7 TOOL A B C D E F G H I J K L M N O P Q R S T...
Page 50: ...3 58 3 59 PRINTED CIRCUIT DIAGRAMS 1 VCR P C BOARD...
Page 51: ...3 60 3 61 2 SMPS P C BOARD LOCATION GUIDE...
Page 52: ...3 62 3 63 3 JACK P C BOARD LOCATION GUIDE...
Page 54: ......
Page 64: ...3 75 3 MPEG DECODER CS98202 INTERNAL BLOCK DIAGRAM...
Page 65: ...3 76 4 DIGITAL VIDEO DECODER TVP5146PFP INTERNAL BLOCK DIAGRAM...
Page 70: ...3 83 3 84 A B C D E F G H I J K L M N O P Q R S T 2 MPEG DECODER CS98202 CIRCUIT DIAGRAM...
Page 71: ...3 85 3 86 A B C D E F G H I J K L M N O P Q R S T 3 VIDEO CONNECTOR CIRCUIT DIAGRAM...
Page 72: ...A B C D E F G H I J K L M N O P Q R S T 3 87 3 88 4 AUDIO ADC DAC INTERFACE CIRCUIT DIAGRAM...
Page 73: ...3 89 3 90 A B C D E F G H I J K L M N O P Q R S T 5 DV PART CIRCUIT DIAGRAM...
Page 78: ...3 99 3 100 PRINTED CIRCUIT DIAGRAMS 1 VDR P C BOARD TOP VIEW...
Page 79: ...3 101 3 102 2 VDR P C BOARD BOTTOM VIEW...
Page 80: ......
Page 112: ......
Page 132: ...5 20 9 LASER TURN ON SIGNAL F LIC502 PIN 52 LDEN DVD LCN201 PIN17 VRDC LCN201PIN 34...
Page 147: ...5 35 2 Disc Specification 3 Disc Materials 1 DVD ROM Single Layer Dual Layer...
Page 167: ...5 55 5 56 CIRCUIT DIAGRAMS 1 RF CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Page 168: ...5 57 5 58 2 DSP CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Page 169: ...5 59 5 60 3 COM CIRCUIT DIAGRAM A B C D E F G H I J K L M N O P Q R S T...
Page 171: ...5 63 5 64 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE...