3-13
3. Y/C CIRCUIT
(3) When the C(Color) signal doesn’t appear on the screen in PB Mode,
Is 5.0V 5.3VA applied to the IC301
Pins22, 47, 50, 52, 60, 84, 92.
Does the Color signal
appear at IC301
Pin29?
Check the line of the 5.0V
5.3VA Line. (Power Circuit)
Replace the X301.
Check the Color Pass.
Does the X301
(3.58MHz) osxillate?
Replace the IC301.
Does the Color signal
appear at IC301 Pin42?
Replace the IC301.
NO
YES
YES
YES
NO
NO
NO
VCR ELECTRICAL TROUBLESHOOTING GUIDE
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...