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ST-MS919
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µ
µ
µ µ)
6
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1
X
4.8Vp-p
Y
¢
4.5MHz
b
IC51 @¢ XOUT
2
µ
5Vp-p
¢ 10MHz
2 IC201 $¡ X2
C
3
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2Vp-p
U 32.768kHz
V IC201 $ XT1
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·
4
®
5Vp-p
F
f 503kHz
IC601 @º XOUT
7
ST-MS919
(Page 17)
Indication of transistor
E CB
These are
omitted
9 10
ST-MS919
·
·
D1 A-4
D3 C-3
D4 B-4
D103 G-3
D104 G-5
D105 G-5
D125 E-7
D136 F-5
D143 F-6
D161 G-5
D191 B-5
D271 F-1
D281 E-2
D282 D-3
D401 E-3
D402 E-3
D701 F-13
D702 F-13
D703 E-13
D704 E-13
D705 D-12
IC1 D-5
IC51 B-6
IC111 F-6
IC171 F-1
IC201 F-3
IC401 C-2
IC402 B-2
Q1 D-7
Q2 D-7
Q9 D-7
Q10 D-7
Q55 C-8
Q121 E-8
Q122 D-8
Q123 E-7
Q136 E-5
Q137 G-5
Q141 E-6
Q142 F-6
Q201 F-4
Q202 F-8
Q203 F-8
Q271 F-1
Q272 G-1
Q281 D-2
Q401 B-2
Q402 F-4
Q403 D-1
Q451 B-3
Q701 D-13
Q801 B-8
AM R
AM L
FM DATA
FM Lch
FM Rch
( Page 15 ) ( Page 14 )
11 12
ST-MS919
( Page 12 )
FM DATA
VCC PULL UP
( Page
15 )
BUS G
13 14
ST-MS919
( Page 20 )
15
10
1
19
5
( Page
11 )
VCC PULL
UP
( Page
14 )
BUS G
15 16
ST-MS919
(Page 9)
D602 B-6
D603 B-6
D604 C-5
D605 C-5
IC601 A-5
IC602 B-1
17 18
ST-MS919
·
15
19
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1
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( Page 16 )
19 20
IC1 LA1835 IC401 MC13028AP IC601 M66004M8FP
AMP-IN R
AM-RF-IN
AMP-IN L
AM-OSC
AM.CUT
MPX-IN
FM-AFC
AM/FM
FM-SD
OUT R
OUT L
DIG11 1
AGC
VCO
DIGITAL 64 DIG12
IF 1 16 R-OUT
R
| |
L
PILO T OUTPUT | |
DET DIG0 12 CIRCUIT 61 DIG15
30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 2
AGC AGC 15 L-OUT
RES 13
FEED BACK 3 14 LOOP FILTER
INDICATION
ALC AM AM AM CS 14 SERIAL CONTROLLER
IF
OSC MIX RF.AMP IF IN 4 AMP 13 DSC IN CLK 15 RECEIVE
BUFF
DECODER DATA 16 CIRCUIT
ANTI BIRDIE GND 5 12 VCC
AGC
VCD
CODE SELECT
STEREO ST LAMP 6 11 PILOT OUTPUT INDICATION
SW P1 17 PORT CONTROL
SIGNAL AM RESISTOR
VREF 7 Q UALITY STEREO 10 PILOT Q P0 18 (2BIT)
S METER STEREO 1/8
DET DECODER
DRIVE VCC1 19
BLEND 8 9 PILOT I
AM AM
TRIG CLOCK CODE/COMMAND
IF DET XOUT 20
GENERATOR CONTROL
XIN 21
CIRCUIT CIRCUIT
MUTE VSS 22
FF FF FF
AM/FM RAM WRITE
IF COMP
VCO IC402 MC14052BCP CODE
BUFF
LEVEL PILOT WRITE
COMMON
TUNING AM/FM DET
DET S-CURVE
(35BIT x 16)
(35BIT x 16)
DRIVE SW
DECODER
DECODER
SEL.A
SEL.B
PHASE INDICATION
VDD
AM
DET CODE
2
1
0
3
FM FM
IF DET 16 15 14 13 12 11 10 9 RESISTOR
FM (8BIT x 16)
REG GND 60 VCC2
VCC 59 SEG0
SEG35 23
| | SEGMENT OUTPUT CIRCUIT | |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 33 SEG26
SEG27 31
DECODER
FM-IN
AM-MIX
IF
REG
AM-IF
GND
TU-LED
ST-LED
DET
VCC
IF-BUFF
AM.SD
AM.SD
AM/FM
VCO-STOP
VP 32
IC51 LC72130
1 2 3 4 5 6 7 8
AOUT1
AOUT2
0
2
COMMON
3
1
INHIBIT
VEE
VSS
XOUT
AMIN
FMIN
AIN2
AIN1
VDD
VSS
PD2
PD1
IO2
24 23 22 21 20 19 18 17 16 15 14 13
SWALLOW COUNTER
1/16.1/17 4bits
POWER
REFERENCE ON 1/2
DIVIDER RESET
SWALLOW COUNTER
1/16.1/17 4bits
REFERENCE
DIVIDER
PHASE DETECTOR
CHARGE PUMP
C2 B DATA SHIFT REGISTER C B
I/F LATCH I/F
1 2 3 4 5 6 7 8 9 10 11 12
XIN
CE
BO3
IFIN
BO5
D1
CL
D0
BO1
BO2
BO4
IO1
21 22
µ
23
97J0913-1
9-922-723-01 Printed in Japan ©1997. 10
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ST-MS919
*
! !
9
#2
8
6
7
8
FL601
10
4 H1
10
11
5
1 2 3
*
*
* *
*
1
55
51
54
53
#1 T701 56
52 54
#2
59 60
#1
#1
57 #2 58
#1 not supplied
57
#1
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2
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3
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4
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5
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6
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**************************************************************
************
**************************************************************
*
*
********** **************************************************************
**********
**********
!
*
!
**************************************************************
! !
7
ST-MS919
97J09056-1D
9-922-723-71 Printed in Japan ©1997. 10
8