Sony HCD-GN77D - Waveform Analysis; Main Board Waveforms; DMB03 Board Waveforms; Display Board Waveforms

HCD-GN77D
2525
IC207 VDAC_4
T301 5
r
WAVEFORMS
1
IC501 qa XC-OUT
2
3
IC501 qd X-OUT
T301 4
4
– MAIN BOARD –
– DMB03 BOARD –
IC906 8 XTO
2
IC901 r; XTAL
1
IC906 0 SO2
3
– DISPLAY BOARD –
IC601 is X OUT
1
3.0Vp-p
32KHz
VOL/DIV : 1V AC
TIME/DIV : 10 µ sec
VOL/DIV : 1V AC
TIME/DIV : 50nsec
2.0Vp-p
16MHz
240Vp-p
13
µ sec
VOL/DIV : 50V AC
TIME/DIV : 10 µ sec
TAPE REC only
VOL/DIV : 50V AC
TIME/DIV : 10 µ sec
TAPE REC only
64Vp-p
13
µ sec
4MHz
2.4Vp-p
VOL/DIV : 1V AC
TIME/DIV : 0.2 µ sec
VOL/DIV : 1V AC
TIME/DIV : 20nsec
VOL/DIV : 1V AC
TIME/DIV : 20nsec
VOL/DIV : 1V AC
TIME/DIV : 20nsec
3.3 Vp-p
20 MHz
3.5 Vp-p
27 MHz
4 Vp-p
30nsec
IC906 qd SO3
4
VOL/DIV : 1V AC
TIME/DIV : 20nsec
4 Vp-p
30nsec
IC207 VDAC_1
6
IC207 VDAC_0
5
IC207 VDAC_2
7
VOL/DIV : 0.5V AC
TIME/DIV : 20 µ sec
VOL/DIV : 0.5V AC
TIME/DIV : 20
µ sec
VOL/DIV : 0.5V AC
TIME/DIV : 20
µ sec
8
VOL/DIV : 0.5V AC
TIME/DIV : 20 µ sec
131
1Vp-p
1H
128
976 mVp-p
1H
125
1 Vp-p
1H
IC207 VDAC_3
122
1H
750mVp-p
9
VOL/DIV : 0.5V AC
TIME/DIV : 20 µ sec
119
1H
750mVp-p
– RF Board –
IC001 1 DVD RFP
1
IC001 el TE
2
IC001 r; FE
3
IC001 tj RFAC
4
0.7Vp-
p
0.2V/div
100nsec/div
1.8Vp-
p
0.5V/div
1msec/div
0.1V/div
1msec/div
0.3Vp-p
1.2Vp-p
0.5V/div
100nsec/div
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
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