Frequency range87.5 – 108MHz
FM multiplexDARC type
64 x 132 FSTN LCD display
Output2 jack (stereo minijack)
Power output8 mW + 8 mW (at 10% harmonic distortion)
Power requirementsDC 3V, two R6 (size AA) /LR6 batteries
Auto power off function Approx. 120 minutes
Dimensions116 x 70.5 x 28 mm (w/h/d)
(Approx. 4 5/8 x 2 7/8 x 11/8 inches) not incl.
projecting parts and controls
MassApprox. 150 g (5.3 oz) incl. batteries
Supplied AccessoriesStereo headphones (1)
French Model
Design and specifications are subject to change without notice.
50ALEOAddress latch signal output to external memory.
51 - 58D0 - D7I/OAddress / data bus input / output to external memory.
59 - 65A8 - A14OAddress bus output to external memory.
66–Not used (Open).
67VDD–Power supply (+3V).
68GND–Ground.
______
____
___
_____
___
___
– 9 –
Page 10
Pin No.Pin nameI/ODescription
69A15OAddress bus output to external memory.
70A16OAddress bus output to external memory.
71, 72–Not used (Open).
73CS DECOChip select output to decoder (IC204).
74CS RAMOChip select output to RAM (IC202).
75CS ROMOChip select output to ROM (IC203).
76DEC RESOReset signal output to decoder (IC204).
77 - 78–Not used (Open).
81RESETOReset signal output to DE-SCRAMBLE MICOM (IC301).
82DD RDYIDe-scramble end signal input.
83CLKOClock output to DE-SCRAMBLE MICOM (IC301).
84DIOData output to DE-SCRAMBLE MICOM (IC301).
85DOIData input from DE-SCRAMBLE MICOM (IC301).
86INTODe-scramble request signal output.
87POWERORadio power supply ON/OFF control. “H” : Radio power ON
88 (+)ITune (+) key input.
89SRAM CHECKISRAM check terminal.
90A0 LCDOCommunications with LCD module.
91CS LCDOCommunications with LCD module.
92RES LCDOCommunications with LCD module.
93VDD–Power supply (+3V).
94GND–Ground.
95VDETILow voltage (1.9V) DET. “L” : power OFF
96POWER SWIPower ON/OFF key input.
97EXT (IN)IExternal (Beep) signal input.
98DATA LCDOSerial data output to LCD module.
99EXT (OUT)OExternal (Beep) signal output.
100SCL LCDOSerial clock output to LCD module.
_______
– 10 –
Page 11
IC204 (MSM9553) DECODER
Pin No.Pin nameI/ODescription
1MON–Not used (Open).
2ADET INIAnalog signal input for test (connected ground).
3AVDD–Power supply terminal for analog (+3.5V).
4AGND–Ground terminal for analog (ground).
5SGOReference voltage terminal for analog.
6AINIFM multiplex signal input terminal.
7XOUTC–Not used (Open).
8 - 14MOUT0 - MOUT6–Not used (Open).
15INTOinterrupt signal output to MICOM (IC101).
16WRIWrite signal input terminal to internal register.
17NC–Not used (Open).
18RDIReady signal input terminal to internal register.
19 - 26D0 - D7I/OData bus signal input/output terminal to internal register.
27KGND–Ground terminal for digital.
28DVDD–Power supply terminal for digital.
29XTAL1IOscillator connection terminal (8.192MHz).
30XTAL2OOscillator connection terminal (8.192MHz).
31CSIChip select signal input terminal.
32XOUT–Not used (Open).
33 - 38A0 - A5IAddress signal input terminal to internal register.
39NC–Not used (Open).
40CLRIInternal register is reset at “L” setting power down status.
41IORD–Not used (Open).
42IOWR–Not used (Open).
43,44NC–Not used (Open).
________
____
___
___
___
____
_____
______
– 11 –
Page 12
IC301 MSM 69231-GS-2K (DE-SCRAMBLE MICOM)
Pin No.Pin nameI/ODescription
1–Not used (Open).
2DOODe-scramble data output.
3DIIDe-scramble data input.
4CLKISerial clock input.
5RESETIInput signal input.
–––––––––––––
6, 7–Not used (Open).
8INTInput terminal for external de-scramble request singal.
9 – 13–Not used (Open).
14OSC1OMain system clock oscillator (4.9152MHz).
–––––––––
15OSC0IMain system clock oscillator (4.9152MHz).
16GND–Ground.
17OSC CONTOClock oscillator control.
18 – 28–Not used (Open).
29EAITest terminal (Must be connected to VDD).
30 – 38–Not used (Open).
39VDD–Power supply (+3.2V).
40–Not used (Open).
41DDRDYODe-scramble end signal output to external.
42BUSYOBusy signal output to external.
––––––––––––––––
––––––––––––
43, 44–Not used (Open).
IC501 (µPD17015G) DTS MICROCOMPUTER
Pin No.Pin nameI/ODescription
1REQICommunication request signal input.
2READYOOutput communication OK signal output.
3 - 5PC1 - PC3–Not used (Open).
6BEEP–Not used (Open).
7DATAIPLL data input terminal.
8CLKIPLL clock input terminal.
19VCOL–Not used (Open).
20 - 28LCD8 - LCD0–Not used (Open).
29 - 32COM3 - COM0–Not used (Open).
33VLCD1–Not used (Open).
34, 35CAP1,CAP0–Not used (Open).
36VLCD0–Not used (Open).
37, 38PB0,PB1–Not used (Open).
– 12 –
Page 13
4-2. BLOCK DIAGRAM
SRF-DR2000
– 13 ––14 –
• Signal path.
F: FM
J: Multiplex
Page 14
Page 15
4-4. SCHEMATIC DIAGRAM (MAIN SECTION)
p
p
p
r
Refer to page 23 for IC Block Diagrams.
SRF-DR2000
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
¢
•
• U : B+ Line.
• H : adjustment for repair.
• Power voltage is dc 3 V and fed with regulated dc power
• Voltages and waveforms are dc with respect to ground
• Voltages are taken with a VOM (Input impedance 10 MΩ ).
• Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
: internal component.
supply from external power voltage jack.
under no-signal (detuned) conditions.
no mark : FM
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
4
W or less unless otherwise
• Signal path.
F: FM
J: Multiplex
r
WAVEFORM (MAIN SECTION)
1
1.7Vp-
75kHz
IC501 !™
VOLT/DIV : 0.5 V AC
TIME/DIV : 5 µsec
r
WAVEFORMS (MICOM SECTION)
1
Power failure at
4.9152MHz
IC301 !¢
1.8Vp-p
VOLT/DIV : 0.5V AC
TIME/DIV : 0.1 µsec
2
IC101 #•
2.5Vp-
4.9152MHz
VOLT/DIV : 0.5V AC
TIME/DIV : 0.1µsec
– 17 –– 18 –
3
IC204 #º
2.4Vp-
8.192MHz
VOLT/DIV : 0.5V AC
TIME/DIV : 0.1µsec
Page 16
Page 17
4-6. SCHEMATIC DIAGRAM (MICOM SECTION)
r
Refer to page 18 for Wavforms.
r
Refer to page 23 for IC Block Diagrams.
SRF-DR2000
Note:
• X : parts extracted from the component side.
r
•
• b : Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Caution:
Pattern face side:Parts on the pattern face side seen from
(Conductor Side)the pattern face are indicated.
Parts face side:Parts on the parts face side seen from
(Component Side)the parts face are indicated.
: Through hole.
Note:
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
• U : B+ Line.
• Power voltage is dc 3 V and fed with regulated dc power
supply from external power voltage jack.
4
W or less unless otherwise
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
() : Multiplex
• Voltages are taken with a VOM (Input impedance 10 MΩ ).
Voltage variations may be noted due to normal production tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production tolerances.
• Circled numbers refer to waveforms.
• Signal path.
J: Multiplex
– 21 –– 22 –
Page 18
SECTION 5
EXPLODED VIEW
r
IC BLOCK DIAGRAMS
IC401 TA8158F (ER)
RF IN
BIAS
RF OUT
MIX IN
GND
RF AMP
1
2
3
4
5
BUFFER
BIAS
OSCILLATOR
POWER SUPPLY
CIRCUIT
IC402 CXA1111N
DET
FILTER
VCC
MUTE
24 23 22 21 20 19 18 17 16 15 14 13
BAND SIGNAL
OUTPUT CIRCUIT
FM.IF
DISCRI
AM.FE
AFCJ
AFCW
RIPPLE
FILTER
EARTH
IF
TUNING
METER
10
9
8
7
6
TUNE
NC
VCC
OSC
OSC MONI
MIX OUT
FM IF
AM.IF
DET.AGC
BAND
AM IF
REGULATOR
IC403 LA3335M
R
DECODER
STEREO
SWITCH
1
IN
IC404 LA4533M
POWER
1
P/SW
IN1
PRE GND
IN2
REF
SWITCH
2
BIAS
3
4
5
L
910
PHASE
COMPALATE
234
FILTER
AMP1
AMP2
M/ST
8
SYNC
DET
FF 1/2FF 90º
VCC
MUTE
CIRCIUT
LAMP
TRIGGER
FF 0º
V.C.OVCO STOP
VCO
10
MT/SW
OUT1
9
8
POWER GND
7
OUT2
6
VCC
GND
STLED
6
7
5
NC
NOTE :
• -XX, -X mean standardized parts, so they
may have some difference from the original
one.
• Items marked “ * ”are not stocked since they
are seldom required for routine service. Some
delay should be anticipated when ordering
these items.
3
2
20
• The mechanical parts with no reference
number in the exploded views are not
supplied.
• Accessories and packing materials are given
in the last of this parts list.
R4081-216-001-00 METAL CHIP105%1/10W
R4091-216-073-00 METAL CHIP10K5%1/10W
R4101-216-033-00 METAL CHIP2205%1/10W
R4111-216-081-00 METAL CHIP22K5%1/10W
R4121-216-089-91 RES,CHIP47K5%1/10W
R4131-216-065-91 RES,CHIP4.7K5%1/10W
R4141-216-001-00 METAL CHIP105%1/10W
R4151-216-097-91 RES,CHIP100K5%1/10W
R4161-216-041-00 METAL CHIP4705%1/10W
R4171-216-001-00 METAL CHIP105%1/10W
R4181-216-083-00 METAL CHIP27K5%1/10W
R4191-216-101-00 METAL CHIP150K5%1/10W
R4201-216-101-00 METAL CHIP150K5%1/10W
R4211-216-049-91 RES,CHIP1K5%1/10W
IC4018-759-493-45 IC TA8158F(ER)
IC4028-752-065-30 IC CXA1111N
IC4038-759-804-98 IC LA3335M
IC4048-759-802-75 IC LA4533M
IC5018-759-379-75 IC uPD17015GS-526-GJG-E1
R4271-216-001-00 METAL CHIP105%1/10W
R4281-216-101-00 METAL CHIP150K5%1/10W
R4291-216-045-00 METAL CHIP6805%1/10W
R4301-216-049-91 RES,CHIP1K5%1/10W
R4311-216-001-00 METAL CHIP105%1/10W
R4321-216-001-00 METAL CHIP105%1/10W
R4511-216-113-00 METAL CHIP470K5%1/10W
R4521-216-113-00 METAL CHIP470K5%1/10W
R5011-216-073-00 METAL CHIP10K5%1/10W
R5021-216-073-00 METAL CHIP10K5%1/10W
R5031-216-097-91 RES,CHIP100K5%1/10W
R5041-216-097-91 RES,CHIP100K5%1/10W
R5051-216-073-00 METAL CHIP10K5%1/10W
R5061-216-073-00 METAL CHIP10K5%1/10W
R5071-216-097-91 RES,CHIP100K5%1/10W
R5081-216-073-00 METAL CHIP10K5%1/10W
R5091-216-001-00 METAL CHIP105%1/10W
R6011-216-017-91 RES,CHIP475%1/10W
R6021-216-049-91 RES,CHIP1K5%1/10W
R6041-216-089-91 RES,CHIP47K5%1/10W
R6051-216-097-91 RES,CHIP100K5%1/10W
R6061-216-089-91 RES,CHIP47K5%1/10W
R6071-216-057-00 METAL CHIP2.2K5%1/10W
R6081-216-097-91 RES,CHIP100K5%1/10W
R6091-216-113-00 METAL CHIP470K5%1/10W
R7011-216-049-91 RES,CHIP1K5%1/10W
R7021-216-097-91 RES,CHIP100K5%1/10W
R7031-216-057-00 METAL CHIP2.2K5%1/10W
R7041-216-081-00 METAL CHIP22K5%1/10W
R7051-216-097-91 RES,CHIP100K5%1/10W
< RESISTOR >
R4011-216-065-91 RES,CHIP4.7K5%1/10W
R4021-216-097-91 RES,CHIP100K5%1/10W
R4031-216-001-00 METAL CHIP105%1/10W
R4041-216-089-91 RES,CHIP47K5%1/10W
R4051-216-033-00 METAL CHIP2205%1/10W
R4061-216-097-91 RES,CHIP100K5%1/10W
R7061-216-045-00 METAL CHIP6805%1/10W
R7071-216-073-00 METAL CHIP10K5%1/10W
R7081-216-097-91 RES,CHIP100K5%1/10W
R7091-216-081-00 METAL CHIP22K5%1/10W
R7101-216-073-00 METAL CHIP10K5%1/10W
IC1018-759-539-32 IC MSM66587-102TS-K
IC1028-759-249-34 IC S-80719SN-DG
IC1038-759-368-42 IC RH5RH363B-T1
IC1048-759-287-47 IC S-80728SN-DR-S
IC1058-759-495-14 IC AT25160N-10SC2.7T2.5
IC2018-759-433-87 IC SN74LV573PW-E20
IC2028-759-447-82 IC M5M51008BVP-15VLLTT4
IC2038-759-539-33 IC MSM531031B-82TS-K
IC2048-759-539-31 IC MSM9553GS-2K
IC3018-759-539-34 IC MSM69231-GS-2K
R1011-216-845-11 METAL CHIP100K5%1/16W
R1021-216-845-11 METAL CHIP100K5%1/16W
R1111-216-797-11 METAL CHIP105%1/16W
R1121-216-821-11 METAL CHIP1K5%1/16W
R1131-216-825-11 METAL CHIP2.2K5%1/16W
R1141-216-821-11 METAL CHIP1K5%1/16W
R1151-216-845-11 METAL CHIP100K5%1/16W
R1161-216-845-11 METAL CHIP100K5%1/16W
R1171-216-845-11 METAL CHIP100K5%1/16W
R1181-216-845-11 METAL CHIP100K5%1/16W
R1191-216-845-11 METAL CHIP100K5%1/16W
R1201-216-821-11 METAL CHIP1K5%1/16W
R1211-216-821-11 METAL CHIP1K5%1/16W
R1221-216-821-11 METAL CHIP1K5%1/16W
R1231-216-821-11 METAL CHIP1K5%1/16W
R1241-216-845-11 METAL CHIP100K5%1/16W
R1251-216-845-11 METAL CHIP100K5%1/16W
R1261-216-845-11 METAL CHIP100K5%1/16W
R1271-216-845-11 METAL CHIP100K5%1/16W
R1281-216-845-11 METAL CHIP100K5%1/16W
R1291-216-845-11 METAL CHIP100K5%1/16W
R1301-216-845-11 METAL CHIP100K5%1/16W
R1311-216-845-11 METAL CHIP100K5%1/16W
R1321-216-845-11 METAL CHIP100K5%1/16W
R1331-216-845-11 METAL CHIP100K5%1/16W
R1341-216-809-11 METAL CHIP1005%1/16W
R1361-216-821-11 METAL CHIP1K5%1/16W
R1371-216-821-11 METAL CHIP1K5%1/16W
R1381-216-845-11 METAL CHIP100K5%1/16W
R1391-216-845-11 METAL CHIP100K5%1/16W
R1401-216-821-11 METAL CHIP1K5%1/16W
R1411-216-821-11 METAL CHIP1K5%1/16W
R1421-216-821-11 METAL CHIP1K5%1/16W
R1431-216-821-11 METAL CHIP1K5%1/16W
R1441-216-821-11 METAL CHIP1K5%1/16W
R1451-216-821-11 METAL CHIP1K5%1/16W
R1461-216-821-11 METAL CHIP1K5%1/16W
R1471-216-821-11 METAL CHIP1K5%1/16W
R1481-216-821-11 METAL CHIP1K5%1/16W
R1491-216-821-11 METAL CHIP1K5%1/16W
R1501-216-821-11 METAL CHIP1K5%1/16W
R1511-216-821-11 METAL CHIP1K5%1/16W
R1521-216-821-11 METAL CHIP1K5%1/16W
R1531-216-821-11 METAL CHIP1K5%1/16W
R1541-216-821-11 METAL CHIP1K5%1/16W
R1551-216-821-11 METAL CHIP1K5%1/16W
R1561-216-821-11 METAL CHIP1K5%1/16W
R1571-216-821-11 METAL CHIP1K5%1/16W
R1581-216-821-11 METAL CHIP1K5%1/16W
R1591-216-821-11 METAL CHIP1K5%1/16W
R1871-216-821-11 METAL CHIP1K5%1/16W
R1881-216-821-11 METAL CHIP1K5%1/16W
R1891-216-845-11 METAL CHIP100K5%1/16W
R1901-216-845-11 METAL CHIP100K5%1/16W
R1931-216-845-11 METAL CHIP100K5%1/16W
R2011-216-797-11 METAL CHIP105%1/16W
R2021-216-821-11 METAL CHIP1K5%1/16W
R2031-216-821-11 METAL CHIP1K5%1/16W
R2041-216-821-11 METAL CHIP1K5%1/16W
R2051-216-821-11 METAL CHIP1K5%1/16W
R2061-216-821-11 METAL CHIP1K5%1/16W
R2071-216-821-11 METAL CHIP1K5%1/16W
R2081-216-821-11 METAL CHIP1K5%1/16W
R2091-216-821-11 METAL CHIP1K5%1/16W
R2101-216-809-11 METAL CHIP1005%1/16W
R2111-216-797-11 METAL CHIP105%1/16W
R2201-216-797-11 METAL CHIP105%1/16W
R2211-216-797-11 METAL CHIP105%1/16W
R2221-216-797-11 METAL CHIP105%1/16W
R2231-216-797-11 METAL CHIP105%1/16W
R2241-216-841-11 METAL CHIP47K5%1/16W
R2251-216-845-11 METAL CHIP100K5%1/16W
R2261-216-797-11 METAL CHIP105%1/16W
R3011-216-797-11 METAL CHIP105%1/16W
R3021-216-845-11 METAL CHIP100K5%1/16W
R3031-216-809-11 METAL CHIP1005%1/16W
R3041-216-821-11 METAL CHIP1K5%1/16W
R3051-216-821-11 METAL CHIP1K5%1/16W
R3061-216-821-11 METAL CHIP1K5%1/16W
R1601-216-845-11 METAL CHIP100K5%1/16W
R1611-216-845-11 METAL CHIP100K5%1/16W
R1621-216-845-11 METAL CHIP100K5%1/16W
R1631-216-821-11 METAL CHIP1K5%1/16W
R1641-216-821-11 METAL CHIP1K5%1/16W
R1651-216-821-11 METAL CHIP1K5%1/16W
R1661-216-821-11 METAL CHIP1K5%1/16W
R1671-216-821-11 METAL CHIP1K5%1/16W
R1681-216-821-11 METAL CHIP1K5%1/16W
R1691-216-821-11 METAL CHIP1K5%1/16W
R1701-216-821-11 METAL CHIP1K5%1/16W
R1711-216-821-11 METAL CHIP1K5%1/16W
R1721-216-821-11 METAL CHIP1K5%1/16W
R1731-216-821-11 METAL CHIP1K5%1/16W
R1741-216-821-11 METAL CHIP1K5%1/16W
R1751-216-845-11 METAL CHIP100K5%1/16W
R1761-216-845-11 METAL CHIP100K5%1/16W
R1771-216-821-11 METAL CHIP1K5%1/16W
R1781-216-821-11 METAL CHIP1K5%1/16W
R1791-216-845-11 METAL CHIP100K5%1/16W
R1801-216-821-11 METAL CHIP1K5%1/16W
R1811-216-821-11 METAL CHIP1K5%1/16W
R1821-216-821-11 METAL CHIP1K5%1/16W
R1831-216-821-11 METAL CHIP1K5%1/16W
R1841-216-821-11 METAL CHIP1K5%1/16W