Sanyo DTA-100 Service manual
FILE NO.
Service Manual
Desktop Audio System
DTA-100 (PA)
(XE)
SPECIFICATIONS
(CD PLAYER SECTION)
Channels ...............................2 channels stereo
S/N ratio ................................ 60 dB
Wow & Flutter........................Below measurable limits
Sampling frequency ..............44.1 kHz
Quantization ..........................16 bits linear/ch
Pickup light source ................Semi-conductor laser
Pickup wave length ............... 790 nm
Laser output ..........................Continuous wave max. 0.6 mW
PRODUCT CODE No.
164 065 03 PA
164 065 04 XE
(RADIO SECTION)
Tuning range .........................FM : 87.5 - 108 MHz
AM : 522 - 1,611 kHz(9 kHz step)
(GENERAL SECTION)
Power output .........................AC : 1.5 W/ch (10% T.H.D)
Speaker.................................8 cm x 2, 4ohm
Terminal impedance ............. PHONES : 32 ohms
Power source ........................ DC : 9 V (AC adaptor)
Dimensions ...........................430 (W) x 150 (H) x 50 (D) mm
Weight (approx.)....................1.5 kg (Without including batteries)
Specifications subject to change without notice.
REFERENCE No. SM5810228
LASER BEAM SAFETY PRECAUTION
• Pickup that emits a laser beam is used on this CD section.
CAUTION :
USE OF CONTROLS OR ADJUSTMENTS OR
PERFORMANCE OF PROCEDURES OTHER
THAN THOSE SPECIFIED HEREIN MAY RESULT
IN HAZARDOUS RADIATION EXPOSURE.
LASER OUTPUT................ 0.6 mW Max. (CW)
WAVE LENGTH ................. 790 nm
CAUTION – INVISIBLE LASER RADIATION WHEN OPEN AND
INTERLOCKS DEFEATED. AVOID EXPOSURE TO BEAM.
ADVARSEL – USYNLIG LASER STRÅLING VED ÅBNING, NÅR
SIKKERHEDSAFBRYDERE ER UDE AF FUNKTION, UNDGÅ UDS ÆTTELSE
FOR STRÅLING.
VARNING – OSYNLIG LASER STRÅLNING NÄR DENNA DEL ÄR ÖPPNAD
OCH SPÄRR ÄR URKOPPLAD. STRÅLEN ÄR FARLIG.
VORSICHT – UNSICHTBARE LASERSTRAHLUNG TRITT AUS, WENN
DECKEL GEÖFFNET UND WENN SICHERHEITSVERRIEGELUNG
ÜBERBRÜCKT IST. NICHT, DEM STRAHL AUSSETZEN.
VARO – AVATTAESSA JA SUOJALUKITUS OHITETTAESSA OLET ALTTIINA
NÄKYMÄTTÖMÄLLE LASERSÄTEILYLLE. ÄLÄ KATSO SÄTEESEEN.
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TUNER ADJUSTMENTS
• Use a plastic screw driver for adjustments.
• Adjust the intermediate frequency of AM and FM to the frequency of ceramic filter.
• Set of unit
Supply voltage : DC 12V
Speaker : 8 ohms
Standard output : 50 mW
Function switch : RADIO
a.PARTS LOCATION
b. AM ADJUSTMENT Band switch : AM
Adjusting Equipment Step Gen. Set Radio To obtain MAX. output adjust.
Circuit Connection freq. freq. To Measurement
IF
AM Connect Digital Voltmeter to
band
Tracking Connect VTVM and 4 ohm
c. FM ADJUSTMENT Band switch : FM
Adjusting Equipment Step Gen. Set Radio To obtain MAX. output adjust.
Circuit Connection freq. freq. To Measurement
FM Connect Digital Voltmeter to
band
Tracking Connect VTVM and 4 ohm
Collector of Q404
load across speaker terminals.
Signal Generator coupled by
a loop antenna.
Output level must be below Repeat steps 4 and 5 obtain Maximum output.
reference output.
Collector of Q404
load across speaker terminals.
Signal Generator to ANT.
Output level must be below
reference output. 5 Repeat steps 3 and 4 obtain Maximum output.
1 T702
2
3
4
5
6
1
2
3
4
450kHz 1611kHz
522kHz 522kHz
1611kHz 1611kHz
603kHz
1404kHz
87.5MHz
107.9MHz
90.1MHz
106.1MHz
603kHz
1404kHz
87.5MHz
107.9MHz
90.1MHz
106.1MHz
T701 (Adjust the voltage to 1.42 +/- 0.2V)
Confirm the voltage to 7.05 +/- 0.3V
L703 ant. Coil.
TC702 ANT-TRIMMER.
T701 (Adjust the voltage to 4 +/-0.2V)
Confirm the voltage to 8.1 +/- 0.2V
L702(FM RF coil)
TC701 ANT-TRIMMER.
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EXPLODED VIEW(CABINET & CHASSIS)
1
Y14
Y14
3
9
10
24
24
25
25
26
27
8
11
12
13
14
15
16
16
17
17
19
20
20
20
22
22
22
21
21
21
23
18
16
54
54
55
55
71
72
73
Y02
Y02
Y03
Y04
Y05
Y05
Y06
Y07
Y08
Y08
Y08
Y09
Y10
Y10
Y12
Y12
Y12
Y12
Y13
Y13
Y13
Y13
Y13
Y13
Y10
Y11
Y09
Y06
Y02
30
29
28
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PARTS LIST
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH THE
!!
!
IEC SYMBOL
OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED , USE ONLY THE REPLACEMENT PARTS
DESIGNATED, OR PARTS WITH THE SAME RATINGS OF RESISTANCE, WATTAGE OR VOLTAGE THAT ARE DESIGNATED
IN THE PARTS LIST IN THIS MANUAL. LEAKAGE-CURRENT OR RESISTANCE MEASUREMENTS MUST BE MADE TO
DETERMINE THAT EXPOSED PARTS ARE ACCEPTABLY INSULATED FROM THE SUPPLY CIRCUIT BEFORE RETURNING
THE PRODUCT TO THE CUSTOMER.
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN
Regular type resistors are less than 1/4W carbon type and 0 ohm chip resistors.
Regular type capacitors are less than 50V and less than 1000µF of Ceramic type and Electrolytic type.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
645 031 1703 POLYBAG(XE)
645 045 5629 POLY BAG,MAIN UNIT
645 045 5636 POLY BAG,I/B
645 045 5803 CARTON OUTER,1 FOR 4 SETS(PA)
645 051 1677 CARTON OUTER, 1 FOR 4 SE(XE)
645 045 6114 GIFT BOX HANDLE
645 045 6770 POLYFOAM,SPEAKER PORTECT
645 045 7821 REMOTE CTL,SANYO
!!
!
645 051 1530 AC ADAPTOR(PA)
!!
!
645 051 1547 AC ADAPTOR(XE)
645 051 1561 INSTRUCTION MANUAL (PA)
645 051 1578 INSTRUCTION MANUAL (XE)
645 051 1608 CARTON INNER (PA)
645 051 1615 CARTON INNER (XE)
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1 645 045 5346 CD DOOR LENS
3 645 045 4714 ASSY CD LID
8 645 045 6015 METAL COVER,DISPLAY PCB
9 645 045 5544 CD LID OPEN SPRING
10 645 045 4691 ASSY CABINET FRONT
11 645 045 6008 GEAR MOUNTING BKT
12 645 045 6053 GEAR DAMPER,29TO-E
13 645 045 5964 CD DOOR OPEN KNOB
14 645 045 7548 DOOR OPEN HOOK
15 645 045 5537 OPEN KNOB SPRING
16 645 042 1532 CUSHION RUBBER,CD MECHA
17 645 045 6039 MECH MTG PLATE A
19 645 045 4707 ASSY CABINET REAR
20 645 045 5353 STAND ADAPTOR,SPK L/R, UNIT
21 645 045 5261 STAND REAR CAB,UNIT/SPK
22 645 045 5698 STAND RUBBER FOOT,
23 645 051 1455 ASSY MOUNTING BAR,SCREW
24 645 045 4639 ASSY SPK NET A
25 645 045 4653 ASSY SPK FRONT
26 645 045 4677 ASSY SPK REAR L
27 645 045 4660 ASSY SPK REAR R
28 645 045 5926 CD MECHA TPP33B,KIT
29 645 045 5971 TOP FUNCTION KNOB
30 645 045 5438 SENSOR LENS,W/TAPE
645 045 7562 FELT PAPER
NATURE RUBB
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y02 645 036 5911 TAPPING SCR 1.7X4,DISPLAY BD
Y03 645 045 5513 MACHINE SCR 2X3,
Y04 645 042 1563 TPP SCR 2X4,
Y05 645 045 5520 FBIRE WASHER,DOOR OPEN HOOK
GEAR TO GEAR MTG BKT
GEAR MTG BKT TO F CAB
REF.NO. PART NO. DESCRIPTION
Y06 645 042 1563 TPP SCR 2X4,
DOOR OPEN HOOK TO F CAB
Y07 645 045 5469 TAPPING SCR 2X6,
MECH MTG PLATE TO F CAB
Y08 645 045 5469 TAPPING SCR 2X6,
MAIN PCB TO F CAB
Y09 645 045 5469 TAPPING SCR 2X6,
JACK PCB TO REAR CAB
Y10 645 031 3684 TAPPING SCR2X10,REAR CAB
Y11 645 045 5483 TAPPING SCR 2X23,REAR CAB
Y12 645 045 5490 TAPPING SCR 3X6,SPK TO SPK F CAB
Y13 645 045 5506 TAPPING SCR 3X20,
SPK REAR CAB TO SPK CAB
Y14 645 045 6749 PHOTO LENS SCR,W/NI-PLATED
ELECTRIC-PARTS
REF.NO. PART NO. DESCRIPTION
645 045 5766 SHIELD WIRE AWG28,
UL2547 MAIN TO H/P BD
54 645 045 5209 SPEAKER 3",W/BLACK CAP
55 645 045 5902 SPEAKER WIRE,
W/MONO PLUG SPK L/R
DISPLAY P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71 614 316 3459 ASSY,PWB,DISPLAY(Only initial)
C0901 403 167 7002 ELECT 4.7U M 50V,4X7MM
D0901 645 031 3653 DIODE 1N4148
D0902 645 031 3653 DIODE 1N4148
D0903 645 031 3653 DIODE 1N4148
D0904 645 031 3653 DIODE 1N4148
D0905 645 031 3653 DIODE 1N4148
D0906 645 031 3653 DIODE 1N4148
D0907 645 031 3653 DIODE 1N4148
D0908 645 031 3653 DIODE 1N4148
D0909 645 045 5797 LED
D0910 645 045 5797 LED
D0911 645 045 5797 LED
D0912 645 045 5797 LED
IC901 645 045 4905 RPM6938-V4
S0901 645 045 5155 SW TACT,PLAY
S0902 645 045 5155 SW TACT,STOP
S0903 645 045 5155 SW TACT,TU-DN
S0904 645 045 5155 SW TACT,TU-UP
S0905 645 045 5155 SW TACT,MODE
S0906 645 045 5155 SW TACT,PROG
S0907 645 045 5155 SW TACT,PRESET-DN
S0908 645 045 5155 SW TACT,PRESET-UP
S0909 645 045 5155 SW TACT,BAND
645 045 5278 DISPLAY BRACKET
645 045 5322 BACK LIGHT LENS
645 045 5919 LCD DISPLAY,SDT-A232-TP-O TN POS
645 045 6022 LCD BRACKET
645 045 6060 PVC SPL SHEET
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