Sony MDX-C8900R Service Manual page 57

QQ
3 7 63 1515 0
– MAIN Board –
IC4 BU2624FV-E2
XIN 1
2
CE
I/O
CK 4
CTL
DA
5
CD
6
P0 7
9
P1
P3 10
TE
L 13942296513
IC400 CXA1946BR
36 35 34
LOUD
GAIN12 37
GAIN11 38
IN14 39
IN13 40
IN12 41
IN11 42
ZCDET
IN21 43
IN22 44
IN23 45
IN24 46
GAIN21 47
GAIN22 48
www
LOUD
.
1 2
http://www.xiaoyu163.com
PHASE
REFERENCE
DIVIDER
MAIN
PRESCALER
COUNT
SHIFT REGISTER LATCH
IF COUNT
CTL
20BIT COUNT
33 32 31
VOLUME VOLUME
8dB STEP 1dB STEP
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
LATCH
CONTROL
SHIFT
REGISTER
VCTBUFF
VCTBUFF
VCTBUFF
VOLUME VOLUME
8dB STEP 1dB STEP
x ao
y
i
3 4 5 6
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8
20 XOUT
19
VSS
18 PD
DET
17 VDD
16 FMIN
AMIN
15
P2
14
13 IFIN
12
SD
P4
11
Q Q
3 6 7 1 3
30 29 28 27 26 25
24 FNTO1
TONE FADER
23 REO1
22 CE
21 CLK
20 DGND
19 GND
45k
45k
18 VCC
17 VCT
16 DATA
15 TIMER
14 REO2
TONE FADER
u163 13 FNTO2
.
7 8 9 10 11 12
– 77 –
2 9 9 4 2 8
IC101 NJM2360AM (TE2)
CS 1 Q2
Q S
Q1
R
ES 2
Ipk
CT 3
CT OSC
+
VREF
GND 4
1.25V –
COMP
1 5 0 5 8 2 9 9 4
m
co
9 9
8 CD
7 SI
6 V+
5 INVIN
2 8 9 9