Sony HCD-ZUX9 Service Manual - Page 71

Ic202, Bd4929g-tr Main Board 1/4, Ic120, Ml2252-254gaz03a Main Board 1/4

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IC202 BD4929G-TR (MAIN Board (1/4)) NC 4 5 VREF 1 VOUT 2 3 VDD GND HCD-ZUX9 IC120 ML2252-254GAZ03A (MAIN Board (1/4)) NC BUSY2/ERR WR NC DVDD DGND NC OPTANA CS NC NC NC 1 DW 2 BUSY1 3 NCR2/DL 4 NCR1/NDR 5 RD 6 TEST01 7 TEST02 8 RESET 9 TEST 10 NC 11 CPU INTERFACE 44 43 42 41 40 39 38 37 36 35 34 MULTIPLEXER ADDRESS CONTROLLER PHRASE ADDRESS REGISTER COMMAND CONTROLLER VOICE/SOUND DATA ROM PHRASE CONTROL TABLE LOOP VOLUME 2-bit ADPCM2 4-bit ADPCM2 SYNTHESIZER 8-bit/16-bit PCM SYNTHESIZER WITH 2 CHANNEL MIXING DIGITAL FILTER DAC BUFFER 12 13 14 15 16 17 18 19 20 21 22 33 NC 32 SERIAL 31 DGND 30 AVDD 29 AOUT 28 DAO 27 AGND 26 D7/D1 25 NC 24 D6/SCK 23 D5/DO NC DVDD XT XT D0 DGND D1 D2 D3 D4 NC 71

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71
HCD-ZUX9
4
5
1
2
3
VREF
VOUT
VDD
GND
NC
IC202
BD4929G-TR (MAIN Board (1/4))
1
NC
2
DW
3
BUSY1
4
NCR2/DL
5
NCR1/NDR
6
RD
7
TEST01
8
TEST02
9
RESET
10
TEST
NC
11
12
DVDD
13
XT
14
XT
15
D0
16
DGND
17
D1
18
D2
19
D3
20
D4
21
NC
22
NC
33 NC
32 SERIAL
31 DGND
30 AVDD
29 AOUT
BUFFER
28 DAO
27 AGND
26 D7/D1
25 NC
24 D6/SCK
23 D5/DO
NC
44
BUSY2/ERR
43
WR
42
NC
41
DVDD
40
DGND
39
NC
38
OPTANA
37
CS
36
NC
35
NC
34
CPU INTERFACE
MULTIPLEXER
ADDRESS
CONTROLLER
COMMAND
CONTROLLER
LOOP
VOLUME
DIGITAL
FILTER
DAC
PHRASE
ADDRESS
REGISTER
VOICE/SOUND
DATA ROM
PHRASE
CONTROL
TABLE
2-bit ADPCM2
4-bit ADPCM2
SYNTHESIZER
8-bit/16-bit PCM
SYNTHESIZER
WITH 2 CHANNEL
MIXING
IC120
ML2252-254GAZ03A (MAIN Board (1/4))