Sony HCD-DZ119 Service Manual page 52

HCD-DZ119/DZ410
Q Q
3 7 6 3 1 5 1 5 0
• Waveforms
– MAIN Board – – I/O SCART Board –
6
1 IC230 wf (CYOUT)
IC1101 6 (DVDRFIP)
900 mVp-p
500 mV/DIV, 20 µ s/DIV
200 mV/DIV, 100 ns/DIV
7
2 IC201 wf (CYOUT)
IC1101 <xx. (XTALI)
1.7 Vp-p
37 ns
1 V/DIV, 20 µ s/DIV
1 V/DIV, 10 ns/DIV
8
3 IC230 wa (CbOUT)
IC1101 <z., (YUV3)
1.5 Vp-p
T E
L 1 3 9 4 2 2 9 6 5 1 3
H
500 mV/DIV, 20 µ s/DIV
500 mV/DIV, 20
4
IC501 qg (XIN)
2.7 Vp-p
200 ns
1 V/DIV, 100 ns/DIV
5
IC3010 rk (XFSOIN)
5.5 Vp-p
20.3 ns
1 V/DIV, 10 ns/DIV
w w w
HCD-DZ119/DZ410
9
IC201 wa (CbOUT)
1.7 Vp-p
H
H
500 mV/DIV, 20 µ s/DIV
0
IC230 qk (CrOUT)
2.2 Vp-p
H
H
µ
500 mV/DIV, 20 s/DIV
qa
IC201 qk (CrOUT)
1.7 Vp-p
H
H
µ
500 mV/DIV, 20 µ s/DIV
s/DIV
x a o
y
. i
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• IC Block Diagrams
– MAIN Board –
IC2200 PCM1803DBR
Single-End
1.6 Vp-p VINL 1
/Differential
VINR 2 Converter
VERF1 3
VERF2 4
Reference
1.7 Vp-p
Single-End
/Differential
Converter
VCC 5
AGND 6
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
Q Q
1.6 Vp-p 3 7 6
IC3010, IC3020, IC3030 CXD9843AR (DZ119), CXD9788AR (DZ410)
PWM
1 2 3 4 5 6
u 1 6 3
.
52 52
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2 4
8 9 9
5 th Order
Delta-Sigma
Modulator
× 1/64 (× 1/128)
Decimation
Filter
with
DC Cut Filter
5 th Order
Delta-Sigma
Modulator
Power Supply
Clock and Timing Control
3 1 5 1 5 0 8 9 2
48 47 46 45 44 43 42 41 40 39 38 37
Sampling Rate
Converter
Filter
Liner
∆ ∑ Converter &
Gain
Interpolator
DF2
LOW
Control
CUT
Filter
Clock Generator Clock Generator
(Primary Clock System)
(Secondary Clock System) INIT/MUTE Serial Control
m
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
c o
2
8 9 9
20 MODE1
19 MODE0
Serial
18 FMT1
Interface
17 FMT0
Mode/
Format
Control
16 OSR
15 SCKI
14 VDD
13 DGCD
12 DOUT
11 BCK
4 9 8 2 9 9
DF1 S P
36 XFSIIN
35
DVDD
34 TEST
33
BFVSS
32 BFVDD
27 28 29 30 31