Hitachi 0506E, Service Manual

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CP-X960WA
CP-X970W
Picture is not displayed
(both RGB and VIDEO input)
PWB ass'y signal
NO
YES
Are
voltage input
at pins , , , , ,
of EDS1 on the PWB
ass'y main?
PWB ass'y input terminal RGB
: (CHK0041) : +6.6V
: (CHK0043) :+17.0V
: (CHK0044) :+5V
: (CHK0038) :+5V
: (CHK0039) :+5V
: (CHK0040) :+5V
Power unit (circuit)
PWB ass'y drive LCD module ass'y
Are signal
input at these
pins of EMD1 on the
PWB ass'y
main?
NO
YES
PWB ass'y main
Are signal
input at these
pins of EDI1 on the
PWB ass'y
main?
NO
YES
PWB ass'y signal
PWB ass'y input terminal RGB
Check at operating mode with RGB1 or 2 input
10
10
12
14
12
14
4
4
6
8
6 8
, , : (CHK066) : R signal
, , : (CHK065) : G signal
, , : (CHK064) : B signal
: (CHK075) : H sync
: (CHK074) : V sync
, : (CHK055) : CLK
36
64
63
15
66
45 46
33 34 48
31 50 51
, : (CHK0031) : R signal
, : (CHK0035) : G signal
, : (CHK0037) : B signal
: (CHK010) : H sync
: (CHK011) : V sync
: (CHK002) : VIDEO. R signal
: (CHK004) : VIDEO. G signal
: (CHK006) : VIDEO. B signal
: (CHK012) : VIDEO. H sync
: (CHK013) : VIDEO. V sync
6 7
2 3
10
39
38
49
47
45
36
35
11