3-8
Does signal pulse
input to IC201 Pins 53, 54 when
the power is on?
Does signal goes
"High" to IC201 Pin186 when the
power is on?
Does
TTL pulse output to
IC201 Pin 156?
Does
33.8688MHz clock input
to IC201 Pin 59?
Is IC201
Pins 79, 80, 84, 88 voltage
about 2.2V?
Replace IC201
(IC206 soldering or IC defect).
Check power circuit.
Check "2.µ-COM Part".
Replace X201 or IC206
(33MHz clock defect)
CHECK POINT(General)
5. RF/Servo Circuit
A.
END
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Содержание T512C
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...
