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3-12
4-3. When the C(Color) signal doesn’t appear on the screen in PB Mode,
NO
YES
Is Color Rotary “H”
about 3.4V?
Check the Color Rotary
level. (Check the R303)
NO
YES
Does the
Color signal
appear at the IC301
Pin25 ?
YES
Does the
X301(4.43MHZ)
oscillate?
Replace the IC301.
NO
Replace the X301.
YES
Does the
Color signal
appear at the IC301
Pin21?
NO
Check the Color Pass.
YES
NO
Is the Color
Rotary signal
applied to the IC301
Pin70?
Check the Color Rotary
Circuit. (IC501 Pin98 )
YES
NO
Is 5.0VT/
5.3VA applied to the
IC301 Pins24, 42,
55, 72, 91.
Check the line of the 5.0VT/
5.3VA Line. (Power Circuit)
YES
When the C(Color) signal
doesn’t appear on the
screen in PB Mode,
Replace the IC301.
VCR ELECTRICAL TROUBLESHOOTING GUIDE
Summary of Contents for DVP3350V/01
Page 17: ...2 8 MEMO ...
Page 45: ...3 37 3 38 5 TUNER CIRCUIT DIAGRAM ...
Page 51: ...3 49 3 50 IC301_LA71750EM IC501_MN101D10X IC801_TDA9605H IC751_MSP3417 3407 ...
Page 52: ...3 51 3 52 PRINTED CIRCUIT BOARD DIAGRAMS 1 MAIN P C BOARD TOP SIDE ...
Page 53: ...3 53 3 54 2 MAIN P C BOARD BOTTOM SIDE ...
Page 54: ...3 55 3 56 3 POWER P C BOARD ...
Page 55: ...3 57 3 58 4 KEY P C BOARD ...
Page 77: ...3 80 MEMO ...
Page 78: ...3 81 3 82 CIRCUIT DIAGRAMS 1 MPEG CIRCUIT DIAGRAM ...
Page 79: ...3 83 3 84 2 SERVO CIRCUIT DIAGRAM ...
Page 80: ...3 85 3 86 3 JACK CIRCUIT DIAGRAM ...
Page 113: ...4 32 MEMO ...
Page 119: ...5 6 MEMO ...
Page 121: ...5 9 5 10 MEMO MEMO ...