Sony hcd-dz230 Service Manual page 29

Q Q
3 7 6 3 1 5 1 5 0
• Circuit Boards Location
TUNER (FM/AM)
MS-203 board
P-SW board
T E
L 1 3 9 4 2 2 9 6 5 1 3
FL board
JACK board
w w w
HCD-DZ230/DZ231/HDZ235
DMPORT board
(DZ230/DZ231)
IO-SCART board (DZ230/DZ231)
IO-S-OUT board (HDZ235)
SPEAKER board
MAIN board
HEATSINK B board
INSURATOR board
HEATSINK A board
POWER board
x a o
y
. i
http://www.xiaoyu163.com
8
• Waveforms
– MAIN Board –
1
IC1101 6 (DVDRFIP)
200 mV/DIV, 100 ns/DIV
2
IC1101 <xcv (XTALI)
37 ns
1 V/DIV, 10 ns/DIV
3
IC1101 <z,m (CVBS)
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
.
29 29
http://www.xiaoyu163.com
2 4
9 9 8
– IO-SCART Board (DZ230/DZ231) –
6
IC230 wf (CYOUTa)
1.7 Vp-p
H
900 mVp-p
500 mV/DIV, 20 µ s/DIV
7
IC230 wa (CbOUTa)
1.7 Vp-p
3.3 Vp-p
H
µ
500 mV/DIV, 20 s/DIV
8
IC230 qk (CrOUTa)
1.5 Vp-p
1.7 Vp-p
1 5 1 5 0 8 H 9 2 4
µ
500 mV/DIV, 20 s/DIV
– IO-S-OUT Board (HDZ235) –
3.0 Vp-p
9
IC308 wh (C OUT)
1.3 Vp-p
H
1 V/DIV, 20 µ s/DIV
q;
IC308 wa (Y OUT)
5.0 Vp-p
2 Vp-p
H
1 V/DIV, 20 µ s/DIV
qa
IC308 w; (CY OUT)
m
2 Vp-p
c o
H
1 V/DIV, 20 µ s/DIV
HCD-DZ230/DZ231/HDZ235
2
9 9
9 8 2 9 9
qs
IC308 qk (Cb OUT)
1.8 Vp-p
H
500 mV/DIV, 20 µ s/DIV
qd
IC308 qh (Cr OUT)
1.5 Vp-p
H
500 mV/DIV, 20 µ s/DIV