Sony HCD-DZ20 Service Manual page 25

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• Circuit Boards Location
MS-203 board
P-SW board
FL board
T E
L 1 3 9 4 2 2 9 6 5 1 3
w w w
HCD-DZ20
TUNER (FM/AM)
IO board
MAIN board
KEY board
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• Waveforms
– MAIN Board –
1
IC1101 6 (DVDRFIP)
200 mV/DIV, 100 ns/DIV
2
IC1101 <xx. (XTALI)
37 ns
500 mV/DIV, 10 ns/DIV
3
IC1101 <z., (YUV3)
Q Q
3 7 6 3
H
500 mV/DIV, 20 µ s/DIV
4
IC501 qg (XIN)
200 ns
1 V/DIV, 100 ns/DIV
5
IC3010 rk (XFSOIN)
20.3 ns
1 V/DIV, 10 ns/DIV
u 1 6 3
.
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9 9 8
– IO Board –
6
IC201 wd (CVBS)
1.0 Vp-p
900 mVp-p H
500 mV/DIV, 20 µ s/DIV
7
IC201 w; (CYOUT)
1.0 Vp-p
1.1 Vp-p
H
500 mV/DIV, 20 µ s/DIV
8
IC201 qk (CbOUT)
1.0 Vp-p
1.0 Vp-p
1 5 1 5 0 8 9 2 4
H
µ
500 mV/DIV, 20 s/DIV
9
IC201 qh (CrOUT)
2.7 Vp-p
1.0 Vp-p
H
µ
500 mV/DIV, 20 s/DIV
4.8 Vp-p
m
c o
HCD-DZ20
2
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