3-22
4. RF/Servo Circuit
A.
Does signal goes
"High" to IC207 Pin 186 when
the power is on?
Does
33.8688MHz clock input
to IC207 Pin59.
Replace IC207
Check power circuit.
Replace X201 or IC211
(33.8688MHz clock defect)
CHECK POINT(General)
Is IC203
Pin79, 80, 84, 88
about 2.2V?
END
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
Does signal pulse
input IC201 pin53, 54, when
the power is on?
Does Ic207 Pin67 signal
goes from high to 20W when the
power is on?
Содержание DVP7771
Страница 8: ...2 3 Deck Mechanism Section 430 430 001 430 002 002 006 005 004 003 002 431 431 007...
Страница 32: ...MEMO...
Страница 37: ...3 15 3 16 LCD P C BOARD LOCATION GUIDE LOCATION GUIDE...
Страница 38: ...MEMO MEMO...
Страница 44: ...3 42 3 43 6 PANTER CIRCUIT DIAGRAM waveforms page 3 58 3 59 2002 02 01 R14113A...
Страница 45: ...3 44 3 45 7 MEMORY CIRCUIT DIAGRAM 2002 02 01 R14114A...
Страница 46: ...3 46 3 47 8 X BUS CIRCUIT DIAGRAM Q501 is defective Key S W voltage abnormal 2002 02 01 R14115A...
Страница 47: ...3 48 3 49 9 CPLD CIRCUIT DIAGRAM 2002 02 01 R14116A...
Страница 51: ...3 56 3 57 13 REMOCON CIRCUIT DIAGRAM Remocon not operate Q902 is defective LED not operate 2002 02 01 R14123A...
Страница 54: ...3 62 3 63 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE LOCATION GUIDE...
Страница 55: ...3 64 3 65 2 FRONT KEY P C BOARD LOCATION GUIDE LOCATION GUIDE...
Страница 56: ...MEMO MEMO...