Sony HCD-DX170 Service Manual page 54

HCD-DX150/DX170/DX250
• Waveforms
– DMB10 Board –
1 4
IC102 6 (DVDRFIP) IC102 <xx. (XTALI)
700 mVp-p
200 mV/DIV, 100 ns/DIV 1 V/DIV, 10 ns/DIV
2 5
IC102 es (TEO) IC102 <z., (YUV3)
0.5 Vp-p
500 mV/DIV, 20 µ s/DIV
500 mV/DIV, 1 ms/DIV
3 6
IC102 ea (FED) IC102 <z.n (YUV2)
0.3 Vp-p
500 mV/DIV, 20 µ s/DIV
100 mV/DIV, 1 ms/DIV
– MAIN Board – – IO Board –
8 0
IC509 qg (Xin)
2.4 Vp-p
200 ns
1 V/DIV, 20 µ s/DIV
1 V/DIV, 100 ns/DIV
qa
9
IC108 rk (XFSOIN)
5.3 Vp-p
20.3 ns
1 V/DIV, 20 µ s/DIV
1 V/DIV, 10 ns/DIV
HCD-DX150/DX170/DX250
7
IC102 <z.v (YUV1)
1.8 Vp-p
H
37 ns
500 mV/DIV, 20 µ s/DIV
1.5 Vp-p
H
1.2 Vp-p
H
qs
IC201 wd (CVBS OUT) IC201 wa (YOUT)
3 Vp-p
H
1 V/DIV, 20 µ s/DIV
IC201 wh (COUT)
2.4 Vp-p
H
• IC Block Diagrams
– TRANSLATION Board –
1.3 Vp-p
IC701, 711 BA6956AN
1 2 3 4
– DMB10 Board –
IC3601 PCM1803DBR
Single-End
VINL 1
/Differential
VINR 2
VERF1 3
VERF2 4
2.1 Vp-p
H
Single-End
/Differential
VCC 5
AGND 6
PDWN 7
BYPAS 8
FSYNC 9
LRCK 10
54 54
– LED Board –
IC803 BU2099FV
TSD
20
CONTROL LOGIC
5 6 7 8 9
1
5 th Order
Delta-Sigma
Modulator
Converter
× 1/64 (× 1/128)
Decimation
Filter
Reference
with
DC Cut Filter
5 th Order
Delta-Sigma
Converter
Modulator
Power Supply
Clock and Timing Control
19 18 16 15 14 13 12 11
17
12BIT SHIFT REGESTER
12BIT STORAGE
RAGESTER
OUTPUT BUFFER (Open Drain)
2 3 4 5 6 7 8 9
10
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