Sony XR-C8220R Service Manual page 39

IC250 CXA2510AQ-T4
30 29 28 27 26
120µ/
70µ
– +
PBFB1 31
X1
PBRIN1 32
F2
33
PBREF1
PBFIN1 34
VCT 35
VCT
PBGND 36
+
PBFIN2 37
F1
PBREF2 38
X1
PBRIN2 39
PBFB2 40
120µ/
70µ
1 2 3 4 5
IC301 CXA1946BQ-T6
36 35 34 33
LOUD
8dB STEP
GAIN12 37
GAIN11 38
IN14 39
IN13 40
IN12 41
IN11 42
LATCH
ZCDET
SHIFT
REGISTER
IN21 43
IN22 44
IN23 45
IN24 46
GAIN21 47
GAIN22 48
LOUD
8dB STEP
1 2 3 4
25 24 23 22 21
NR
T2
+ –
NR BIAS
MS
MODE
TAPE/AUX
TAPE EQ
NR
MODE
FWD/RVS
VCC
LPF
+
DETECT
–
F3
OFF/B
T1
NR
6 7 8 9 10
32 31 30 29 28 27 26
VOLUME VOLUME
TONE
1dB STEP
VCTBUFF
VCTBUFF
VCTBUFF
LATCH
CONTROL
VCTBUFF
VCTBUFF
VCTBUFF
VOLUME VOLUME
TONE
1dB STEP
5 6 7 8 9 10 11
20 MSMODE
19 DRSW
18 TAPESW
17 INSW
16 NRSW
15 NC
MS ON/
OFF
14
MSOUT
13 DGND
12 MSTC
11 FF
25
24 FNTO1
FADER
23 REO1
22 CE
21 CLK
20 DGND
19 GND
45k
45k
18 VCC
17 VCT
16 DATA
15 TIMER
14 REO2
FADER
13 FNTO2
12
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