Sony XR-C9100R Service Manual page 43

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3 7 63 1515 0
IC250 CXA2511AQ
30 29
PBFB2 120µ/70µ
31
PBRIN2
32
+
-
PBREF2
33
F2
PBFIN2
34
VCT
35
VCT
PBGND
36
PBFIN1
37
F1
PBREF1
38
- +
PBRIN1
39
PBFB1
120µ/70µ
40
1 2
TE
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28 27 26 25 24 23
NR
OFF/
+ -
B/C
T2
X1
NR BIAS
TAPE/AUX
TAPE EQ
FWD/RVS
VCC
+
LPF
-
F3
X1
T1
OFF/
+ -
B/C
NR
3 4 5 6 7 8
IC301 CXA1946BQ-T6
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
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LOUD
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1 2 3
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IC350 CXA1846N-T4
20 19
22 21
MSMODE
20
DRSW
19
MS MODE
TAPESW
18
INSW
17
NRSW
16
NR MODE
NRMODE
15
MS ON/
OFF
MSOUT
DET
14
DGND
13
1
MSTC
12
G1FB
11
9 10
Q Q
3 6 7 1 3
33 32 31 30 29 28 27 26
VOLUME VOLUME
TONE
8dB STEP 1dB STEP
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
LATCH
CONTROL
SHIFT
REGISTER
VCTBUFF
VCTBUFF
VCTBUFF
VOLUME VOLUME
u163
TONE
8dB STEP 1dB STEP
.
4 5 6 7 8 9 10 11
– 55 –
2 9 9 4 2 8
18 17 16 15
–
8dB STEP 1dB STEP
+
VOLUME VOLUME
LATCH ZC
LATCH
CONTROL DET
SHIFT
REGISTER
8dB STEP 1dB STEP
+ VOLUME VOLUME
–
2 3 4 5 6
1 5 0 5 8 2 9 9 4
25
24 FNTO1
FADER
23 REO1
22 CE
21 CLK
20 DGND
19 GND
45k
45k
18 VCC
17 VCT
16 DATA
15 TIMER
m
14 REO2
co
FADER
13 FNTO2
12
9 9
14 13 12 11
VCT
BUFFER
7 8 9 10
2 8 9 9