Sony XR-C8220R Service Manual page 37

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• IC Block Diagrams
– MAIN Board –
IC10 BU2624FV-E2
XIN 1
2
CE
I/O
CK 4
CTL
DA
5
CD 6
P0 7
9
P1
P3 10
TE
L 13942296513
IC100 MSM6688GS-2K
56 55
D0 1
D1 2
MCU I/F
3
D2
4
D3
BUSY 5
STATUS
RPM 6
REGISTER
VPM 7
ACON 8
TEST
9
MCUM 10
CE
11
12
TEST TEST
CIRCUIT
TEST 13
TEST 14
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15
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PHASE
REFERENCE
DIVIDER
MAIN
PRESCALER
COUNT
SHIFT REGISTER LATCH
IF COUNT
CTL
20BIT COUNT
54 53 52 51 50 49 48
TIMING
OSC
CONTROLLER
ADDRESS
CONTROLLER
ADPCM
ANALYZER/
SYNTHESIZER
x ao
y
12BIT
LPF
ADC
i
16 17 18 19 20 21 22 23 24
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8
20 XOUT
19
VSS
18 PD
DET
17 VDD
16 FMIN
15 AMIN
14 P2
13 IFIN
12 SD
11 P4
Q Q
3 6 7 1 3
47 46 45 44 43
DATA
I/O
REGISTER
CONTROLLER
12BIT
DAC
u163
SG
CIRCUIT
.
25 26 27 28
– 53 –
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
42 CS3
41
CS2
40
CS1
39 SADX
38 SADY
37 TAS
36
SAS
35 PDWN
34 TEST
33
TEST
32 RSEL2
RSEL1
31
30 DGND
29 AGND
m
co
9 9
2 8 9 9