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MXD-D4
6-22. PRINTED WIRING BOARD – HP Board – •
6-23. SCHEMATIC DIAGRAM – HP Board –
See page 48 for Circuit Boards Location.
(Page 57)
• IC Block Diagrams
– MAIN Board –
IC300 µDA1350AH
44
43
42
41 40
RESET
1
VDDD (C)
2
VSSD
3
VSSD (C)
4
L3DATA
5
IEC 958
L3
L3CLOCK
6
DECODER
INTERFACE
DATAI
7
BCKI
8
WSI
9
L3MODE
10
NC
11
12
13
IC301 µDA1360TS
VINL
1
–
ADC
+
(
)
VREF
2
DECIMATION
FILTER
VINR
3
–
ADC
+
(
)
VREF (N)
4
VREF (P)
5
SFOR
6
PWON
7
SYSCLK
8
IC400, 401 LB1641
T.S.D
MOTOR
DRIVE
(Page 60)
FWD/REV/STOP
CONTROL LOGIC
1
2
3
4
5
68
68
39 38
37 36
35
34
33
BCKO
32
VDDA (PLL)
31 VSSA (PLL)
30
PREEM1
DATA
OUTPUT
INTERFACE
CLOCK
AND
29
CLKOUT
TIMING
DATA
CIRCUIT
28 NC
INPUT
INTERFACE
27 VDDA
26 VSSA
AUDIO FEATURE PROCESSOR
25 VSSA (DAC)
INTERPOLATOR
NOISE SHAPER
24 VREF
DAC
DAC
23
TC
14
15 16
17
18 19 20
21
22
16
VDDA
15
VSSA
14 FSEL
CLOCK
CONTROL
DC-
CANCELLATION
FILTER
13 DATAO
DIGITAL
12 WS
INTERFACE
11 BCK
10 VSSD
9 VDDD
O.C.P
MOTOR
DRIVE
6
7
8
9
10
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