XR-3750.pdf

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XR-3750
6-4. SCHEMATIC DIAGRAM – MAIN Section (1/2) – • See page 32 for Waveforms. • See page 31 for IC Block Diagrams.
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XR-3750
6-5. SCHEMATIC DIAGRAM – MAIN Section (2/2) – • See page 31 for IC Block Diagrams.
(Page 29)
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XR-3750
6-7. SCHEMATIC DIAGRAM – PANEL Section –
(Page 26)
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• IC Block Diagrams
– MAIN Section –
IC351 MM1322XFB E
• Waveform
– MAIN Section –
IC301 CXA2509AQ-T4
GND
1
1 IC501 &¦ (X-IN)
8 OUT2
7
VS
30
29
28
27
26
25
24
23
22
21
IN2
2
120
µ
/70
µ
24dB
VCC
3
3.2 Vp-p
T2
+ –
20
MSMODE
IN1
4
6
OUT1
–
+
PBFB2
31
32
33
34
NR BIAS
MS
MODE
19
DRSW
X1
5
GND
PBRIN2
TAPE/AUX
18
17
TAPESW
F2
222 ns
PBREF2
INSW
TAPE EQ
PBFIN2
FWD/RVS
16
NC
VCT
35
36
VCT
PBGND
VCC
MS ON/
OFF
15
NC
+
LPF
+
–
DETECT
IC611 BA3918-V2
PBFIN1
37
14
MSOUT
F3
PBREF1
38
39
40
F1
X1
13
DGND
PBRIN1
PBFB1
12
11
MSTC
REGULATOR
T1
G1FB
120
µ
/70
µ
24dB
1
2
3 4 5
6
7
8
9
10
OVER VOLTAGE
PROTECT
–
+
IC331 LC75373ED
1 2 3 4
5 6
7
8 9
10
11
12
33
32
31
30
29
28
27
26
25
24
23
+
–
+
–
–
22
LFIN
+
–
+
–
+
21
LFOUT
LSELO
L4
L3
L2
L1
34
35
36
37
38
–
+
–
20
LROUT
+
–
+
19
VREF
VDD
39
SHIFT
REGISTER
DECODER
LATCH
CONTROL
18
17
16
15
14
CE
DI
R1
R2
R3
R4
RSELO
40
41
42
43
44
–
CL
+
+
–
VSS
–
RROUT
+
+
–
–
13
RFOUT
+
–
+
–
+
–
12
RFIN
+
1
2
3 4
5
6 7 8
9 10
11
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