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Q Q
3 7 6 3 1 5 1 5 0
• Circuit Boards Location
TUNER UNIT
MS-203 board
SW board
T E
L
1 3 9 4 2 2 9 6 5 1 3
w w w
HCD-DZ520K/DZ620K
IO-S TERMINAL board
SPEAKER board
MAIN board
HEATSINK A board
HEATSINK B board
POWER board
FL board
DDCON board
JACK board
x
a o
y
.
i
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• Waveforms
– MAIN Board –
1
IC1101 6 (DVDRFIP)
200 mV/DIV, 100 ns/DIV
2
IC1101 <xx. (XTALI)
37 ns
1 V/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
.
25
25
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2
4
9
9
8
– IO-S TERMINAL Board –
6
IC201 wh (COUT)
2.0 Vp-p
H
900 mVp-p
1 V/DIV, 20 µ s/DIV
7
IC201 wa (YOUT)
2.2 Vp-p
1.7 Vp-p
H
1 V/DIV, 20 µ s/DIV
8
IC201 w; (CYOUT)
1.5 Vp-p
2.2 Vp-p
H
1
5
1
5
0
8
9
2
4
1 V/DIV, 20 µ s/DIV
2.7 Vp-p
5.5 Vp-p
m
c o
HCD-DZ520K/DZ620K
2
9
9
9
IC201 qk (CbOUT)
1.6 Vp-p
H
500 mV/DIV, 20 µ s/DIV
0
IC201 qh (CrOUT)
1.6 Vp-p
H
500 mV/DIV, 20 µ s/DIV
9
8
2
9
9
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