Sony XR-C9100R Service Manual page 43

IC250 CXA2511AQ
30 29 28 27
PBFB2 120µ/70µ
31
PBRIN2
32
+
-
X1
PBREF2
33
F2
PBFIN2
34
VCT
35
VCT
PBGND
36
PBFIN1
37
F1
PBREF1
38
X1
- +
PBRIN1
39
PBFB1
120µ/70µ
40
1 2 3 4
GAIN12
GAIN11
IN14
IN13
IN12
IN11
IN21
IN22
IN23
IN24
GAIN21
GAIN22
26 25 24 23 22 21
NR
OFF/
+ -
B/C
T2
MS MODE
NR BIAS
TAPE/AUX
TAPE EQ
NR MODE
FWD/RVS
VCC
MS ON/
OFF
+
DET
LPF
-
F3
T1
OFF/
+ -
B/C
NR
5 6 7 8 9 10
IC301 CXA1946BQ-T6
36 35 34 33 32
VOLUME
LOUD
8dB STEP
37
38
39
40
41
42
LATCH
ZCDET
SHIFT
REGISTER
43
44
45
46
47
48
VOLUME
LOUD
8dB STEP
1 2 3 4 5
IC350 CXA1846N-T4
20 19 18 17
–
MSMODE
20
+
DRSW
19
TAPESW
18 LATCH
INSW
17
SHIFT
NRSW
16 REGISTER
NRMODE
15
+
MSOUT
14
–
DGND
13
1 2 3 4 5
MSTC
12
G1FB
11
31 30 29 28 27 26
VOLUME
TONE FADER
1dB STEP
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
CONTROL
45k
45k
VCTBUFF
VCTBUFF
VCTBUFF
VOLUME
TONE FADER
1dB STEP
6 7 8 9 10 11
– 55 –
16 15 14
8dB STEP 1dB STEP
VOLUME VOLUME
LATCH ZC
CONTROL DET
8dB STEP 1dB STEP
VOLUME VOLUME
6 7 8
25
24 FNTO1
23 REO1
22 CE
21 CLK
20 DGND
19 GND
18 VCC
17 VCT
16 DATA
15 TIMER
14 REO2
13 FNTO2
12
13 12 11
VCT
BUFFER
9 10