3-11
Is the eye-pattern vivid?
Does the
sawtooth waveform emit
at IC2A1 Pin 36?
Does the 1.6V emit?
Check RF Eye-Pattern.
RF : 1.0~1.1V(TP2A0)
Fig.5. RF
waveform
Check IC2A1 Pin 3.
No signal: Pick-up is defective
Replace IC201.
Check IC201 Pin84.
No signal at IC201 : IC201 is defective
• Check IC201 Pin 165.
• Check the clock at the IC201 Pins 37, 59.
• Both are normal : IC201 is defective
Replace IC2A1.
CHECK A
D.
END
NO
NO
NO
NO
YES
YES
YES
YES
Содержание T512AH
Страница 29: ...3 19 3 20 TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM 5 6 5 2 DVD DSP CIRCUIT DIAGRAM ...
Страница 30: ...3 21 3 22 3 DRIVE RF CIRCUIT DIAGRAM TRACKING LOOP FOCUS LOOP SLED LOOP SPINDLE LOOP WAVEFORM 1 6 2 3 ...
Страница 31: ...3 23 3 24 4 MPEG CIRCUIT DIAGRAM Optical Coaxial out CVBS Y Pb Pr Componet Y C S VHS WAVEFORM ...
Страница 36: ...3 33 3 34 8 A V JACK CIRCUIT DIAGRAM S VIDEO C AUDIO L AUDIO R OPTICAL COMP VIDEO S VIDEO Y ...
Страница 39: ...PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE 3 39 3 40 ...
Страница 40: ...3 41 3 42 2 POWER A V FRONT P C BOARD LOCATION GUIDE ...
Страница 41: ...3 43 3 44 3 KEY P C BOARD LOCATION GUIDE ...
Страница 48: ...MEMO MEMO ...
Страница 64: ...MEMO ...