27
27
HCD-DZ820KW
HCD-DZ820KW
• Circuit Boards Location
FL board
JACK board
DDCON board
SW board
IO-S TERMINAL board
DMB12 board
SPEAKER board
MAIN board
HEATSINK B board
HEATSINK A board
POWER board
TUNER UNIT
DIAT-TX board
MS-203 board
• Waveforms
– DMB12 Board –
1
IC101
6
(DVDRFIP)
800 mVp-p
200 mV/DIV, 100 ns/DIV
2
IC101
<xx.
(XTALI)
37 ns
4.2 Vp-p
1 V/DIV, 10 ns/DIV
3
IC708
qg
(X1)
100 ns
3.8 Vp-p
1 V/DIV, 40 ns/DIV
7
IC101
<x//
(YUV4)
1 V/DIV, 20
µ
s/DIV
8
IC101
<x/x
(YUV5)
H
0.7 Vp-p
500 mV/DIV, 20
µ
s/DIV
9
IC101
<x/c
(YUV6)
H
0.6 Vp-p
500 mV/DIV, 20
µ
s/DIV
4
IC101
<z.,
(YUV3)
H
1.1 Vp-p
500 mV/DIV, 20
µ
s/DIV
5
IC101
<z.n
(YUV2)
H
0.7 Vp-p
1 V/DIV, 20
µ
s/DIV
6
IC101
<z.v
(YUV1)
H
1.1 Vp-p
1 V/DIV, 20
µ
s/DIV
H
1.1 Vp-p
– MAIN Board –
– IO-S TERMINAL Board –
0
IC702
ws
(XIN(I))
81.3 ns
3.6 Vp-p
1 V/DIV, 40 ns/DIV
qa
IC2
<zvx
(CLKIN)
40 ns
2.5 Vp-p
1 V/DIV, 20 ns/DIV
qs
IC501
qg
(Xin)
200 ns
2.7 Vp-p
1 V/DIV, 100 ns/DIV
qd
IC3010
rk
(XFSOIN)
20.3 ns
5.5 Vp-p
1 V/DIV, 10 ns/DIV
qf
IC201
wh
(COUT)
qh
IC201
wa
(YOUT)
qk
IC201
w;
(CYOUT)
qg
IC201
qk
(CbOUT)
qj
IC201
qh
(CrOUT)
1 V/DIV, 20
µ
s/DIV
H
2.0 Vp-p
1 V/DIV, 20
µ
s/DIV
2.2 Vp-p
H
1 V/DIV, 20
µ
s/DIV
2.2 Vp-p
H
1.6 Vp-p
H
500 mV/DIV, 20
µ
s/DIV
500 mV/DIV, 20
µ
s/DIV
H
1.6 Vp-p
– DIAT-TX Board –
ql
IC804
tj
(OSC1)
40.6 ns
2.3 Vp-p
500 mV/DIV, 20 ns/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
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com