3-12
BVP-900
BVP-900P
3-12
AU-250
Block Diagram
Block Diagram
AU-250
54
VR, 46-B2
VR, 46-A2
INCOM 1 MIC IN (X)
INCOM 1 MIC IN (Y)
53
56
VR, 46-B1
CN1
CN1
S400
C
D
S1
(1/2)
+v
AMP
Q400, Q401
IC400 (1/2)
+
S401
—
0
INCOM 1 MIC ON IN
48
VR, 46-B4
VR, 46-A4
INCOM 2 MIC IN (X)
INCOM 2 MIC IN (Y)
47
50
VR, 46-B3
CN1
CN1
S500
C
D
+v
AMP
Q500, Q501
IC500 (1/2)
+
S501
—
0
CHU DATA IN
87
AT120, 1-27
CN1
MIC 1 48V ON IN
70
CN1607, 43-A1
CN1
MIC 2 48V ON IN
64
CN1607, 43-A4
CN1
VTR MONITOR IN
76
MB, 15-A12
CN1
INCOM 2 MIC ON IN
66
CN1607, 43-B3
CN1607, 43-A3
CN1
MIC 1 IN (X)
MIC 1 IN (Y)
65
MIC 1 12V ON IN
69
CN1607, 43-B1
CN1
MIC 2 12V ON IN
63
CN1607, 43-B4
CN1
68
CN1607, 43-B2
CN1
MIC (X) OUT
72
MIC (Y) OUT
71
MB, 15-A10
MB, 15-B10
CN1
MIC 2 IN (X)
60
MIC 2 IN (Y)
59
CN1607, 43-B6
CN1607, 43-A6
CN1
SER 2 DATA IN
4
SER 2 LD IN
5
SER CK IN
3
AU DIAG OUT
86
AT120, 1-52
AT120, 1-51
AT120, 1-57
AT120, 1-82
CN1
+
+
+
AMP
IC400 (2/2)
IC401
AMP
IC402 (1/2)
LIMITER
Q402, Q403
INCOM 1
AMP
IC402 (2/2)
BPF
(7.1MHz)
CF400
MODULATOR
Q404, Q405
MIX AMP
IC21
LPF
FL20
7
1
5
LV400
INCOM1
FREQ
SET
RV400
INCOM 1
DEV
TP400
TP20
AMP
IC22
BUFF
Q28,Q29
AMP
IC20
AUDIO RF IN/OUT
82
CN1
MPX FILTER
+
+
AMP
IC500
IC501
AMP
IC502(1/2)
LIMITER
Q502, Q503
INCOM 2
AMP
IC502 (2/2)
BPF
(7.4MHz)
CF500
MODULATOR
Q506, Q504
7
1
5
LV500
INCOM2
FREQ
SET
RV500
INCOM 2
DEV
RV600
MIC1
DEV
TP500
LIMITER
IC601 (2/2)
Q610, Q611
LIMITER
Q710, Q711
AMP
IC601 (1/2)
Q604, Q605
AMP
IC701
Q704, Q705
MIC GAIN
CONT
Q606-Q609
Q611,Q614
Q615
BPF
(6.2MHz)
CF600
MODULATOR
Q612, Q613
LV600
MIC1
FREQ
SET
TP600
RV700
MIC2
DEV
BPF
(6.7MHz)
CF700
MODULATOR
Q712, Q713
LV700
MIC2
FREQ
SET
TP700
MIC GAIN
CONT
GAIN
CONT
IC353
1
7
S351
MIC MONITOR
ON/OFF
Q706-Q709
Q711,Q714
Q715
IC801
IC802
Q9
Q10
MIC POWER
DC/DC CONV.
CP800
DRIVER
Q801
1
3
+
OSC
MODULATOR
X850
IC850, IC851
32.768kHz
Q850-Q852
BPF
(5.6MHz)
CF850
TP850
LV850
FREQ
SET
3
4
W20
AU0 RF
BUFF
MIC/LINE 1
LEVEL SELECT
Q602, Q603
IC600
POWER
SWITCH
Q600, Q601
POWER
SWITCH
Q700, Q701
SERIAL /
PARALLEL
CONV.
IC800
RECT
D801, D802
RECT
D803, D804
Q11
PH1
5V
Q12
PH2
IC803
T800
D-D CONV.
TRANS
DRIVER
Q804, 805
+
33
42
43
44
INV
Q800
BUFF
MIC/L LINE
9
4
4
+
IC350 (3/4)
AMP
6
7
DC-DC CONV
8
2
4
Summary of Contents for BVP-900 Series
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