Sanyo DC-DA900 User manual

Service Manual
FILE NO.
REFERENCE No. SM2810053
PRODUCT CODE No.
129 726 04
Micro Component System DC-DA900 (AU)
CONTENTS
Laser Beam Safety Precaution ........................................ 1
Tuner Adjustment ............................................................. 2
Exploded View (Cabinet & Chassis) ................................ 3
Parts List .......................................................................... 4
Wiring Connection ............................................................ 7
Schematic Diagram .......................................................... 8
Wiring Diagram ................................................................ 12
RB-DA900

- 1 -
• 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
LASER BEAM SAFETY PRECAUTION
AM
LOOP FM ANT SPEAKERS
RL
4 MIN
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.
CLASS 1 LASER PRODUCT
LUOKAN 1 LASERLAITE
KLASS 1 LASERAPPARAT

- 2 -
TUNER ADJUSTMENTS
Use a plastic screw driver for adjustments.
Adjust the intermediate frequency of AM to the frequency of ceramic filter.
Set of unit
Supply voltage :AC 230V
speaker impedance :4 ohms
standard output :50 mW
Function select: :TUNER
a. Parts Locatio
n
a.AM Adjustment Band :AM
SG Position of VTVM
Input Output Frequency Tuning dial Oscilloscope
Closed the output
termial by sweep
generator,it place
to AM ANT
Connect AM SG to 522 KHz 515KHz L2121
test loop 1611 KHz 1640KHz
Connect AM SG to Connect VTVM to 603 KHz 600KHz L2120
test loop speaker terminals. 1404 KHz 1400KHz C4
b.FM Adjustment Band :FM FM Dummy antenna: 75 ohms unbalance
SG Position of VTVM
Input Output Frequency Tuning dial Oscilloscope
FM ANT 87.00 MHz 87.00 MHz L2102 Max.
109.00 MHz 109.00 MHz Max.
FM ANT 90.00 MHz 90.00 MHz
106.00 MHz 106.00 MHz
3
2
3
Step
1
cover range
Adjusting
Circuit
2
1
Step Adjustment
IF T2301
Tuning
515KHz450 KHz
Connections
Adjusting Connection
Max.
Adjustment
Circuit
Tracking
Tracking Max.
TP7(L)
TP9(R)
Tuning
cover range
IF
Max.
DIP
1
13
12
24
10
20
E
E
E
C4315
D4018
TA
CD
TU
CN409
J4226
J4124
J4122
J4121
J4225
J4123
+9V
+13V
MUTE
J4224
J4205
D4033
J4204
J4120
L2121
L2120
IC211
XF231
XF222
XF233
L2201
XF211
CN201
XF221
C2304
C1 C2 C4
C3
L2101
C2310
Q2401
C2208 C2209
C2210
C2102
C2403
C2205
J2104
J2102
J2101
C2311
J2306
C2901
D2901
J2303
L2102
C2202
C2203
C2307
J2201
J2106
T2301
J2105
C2303
J2103
Q2501
S2001
VC201
J2304
D2103 J2305
J2302
W2003
Q2201
C2212
C2214
C2213
FM OSC
FM
FM ST
AM
J2301
J2308
J2307
FM GND
1AD9B10C33600
W2001
W2002
R4317
R4312
R4309
R4310
Q4008Q4009
R4901
R4507
R4508
C2109
R2402R2401
R2403
C2401
R2406
C2404R2408
C2308
R2102
R2101
R2304
C2204
R2302
C2402
R2501
C2201
R2202
R2902
R2901
R2405
C2206C2207
R2207
R2204
R2205 R2206
R2407
R2203
C2105
R2303
C2305
C2302
C2309
C2107
C2103 C2104
C2306
R2201
R2503
R2502
R2504
C2502
C2902
C2101
C2501
C2211
R2103
R2209
R2208
R2212
R2211
Q2202
R2210
C2301
SG201
D2201
C2106
D2104
C2312
C2503
R2100
TP6
TP7
TP9
XF233 IC211
T2301 L2201
C2 L2101
L2120
C1 L2102
C4 L2121 C3
TP6(E)
Connect VTVM to
speaker terminals. C3
Max.
Max.
Connect VTVM to
speaker terminals.
Connect VTVM to
speaker terminals.
IC211 Pin22(H)
TP6(E)
IC211 Pin19(H)
TP6(E) 107 MHz 87 MHz L2201
XF233
C1
L2101
C2
This is a basic tuner adjustments.

- 3 -
EXPLODED VIEW(CABINET & CHASSIS)
12
8
9
3
4
5
67
1011 12 13 14
15
16
17
18
19
19
19
20
21
22
23
24
25
26
27
28
52
51
53
54
56
55
57
58
58
71
72
73
74
77
75
76
Y01
Y02
Y03
Y04
Y05
Y06
Y06 Y07
Y08
Y09
Y10
Y11
Y12 Y13
Y14
Y14
Y16
Y14 Y15
Y19
Y20
Y21
Y22
Y23
Y24
Y21
Y15
Y15
Y17
Y18
30
31
32
33
29

- 4 -
PARTS LIST
CAUTION : Regular type resistors and capacitors are not listed. To know those values, refer to the schematic diagram.
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.
PRODUCT SAFETY NOTICE
EACH PRECAUTION IN THIS MANUAL SHOULD BE FOLLOWED DURING SERVICING. COMPONENTS IDENTIFIED WITH
THE IEC SYMBOL !
!! IN THE PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY
CAN 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.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
614 335 1115 CARTON CASE
614 334 4841 CUSHION,REAR
614 334 4858 CUSHION,FRONT
614 335 1153 INSTRUCTION MANUAL
945 011 9737 POLY BAG-0250X0350*NC,
INST MANUAL
945 068 7281 POLY SHEET-0340X0280*NC,SET
945 037 8103 POLY BAG-0150X0500*NC,
AC CORD
945 037 9834 POLY BAG-0180X0250*NC,
ACCESSORY
614 325 5536 CARD,WARRANTY,SAP
945 063 7484 ASSY,ANTENNA,LOOP
945 079 7430 REMOCON
58 614 334 9846 ASSY,BOX,SPEAKER
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1614 334 4704 LID,CASSETTE
2914 334 4804 SPRING,DOOR DECK,CASSETTE
3614 334 4636 KNOB,SLIDE
4914 316 2491 KNOB,ROTARY,VOL
5614 335 4017 ASSY,PANEL FRONT
6914 309 7960 ASSY,GEAR,CASSETTE
7614 334 6173 PWB,CONNECT2,CASSETTE GEAR
8614 334 4643 KNOB,DECK,MECHA,REC
9614 334 4650 KNOB,DECK,MECHA,PLAY
10 614 334 4667 KNOB,DECK,MECHA,REW
11 614 334 4674 KNOB,DECK,MECHA,FFWD
12 614 334 4681 KNOB,DECK,MECHA,STOP/EJECT
13 614 334 4698 KNOB,DECK,MECHA,PAUSE
14 614 334 4728 MOUNTING,DECK,KNOB
15 614 327 8023 SPRING,REC
16 614 334 4582 GEAR
17 614 334 4766 SHAFT
18 614 334 4629 KNOB,TUNING
19 914 310 3890 SPACER,MECHA
20 614 335 4147 COVER,PICK-UP
21 614 334 4506 BUTTON,POWER
22 914 322 2133 ASSY,GEAR,LID,CD
23 614 335 4154 MOUNTING,CD
24 914 334 4811 SPRING,DOOR CD
25 914 303 0264 LATCH,PUSH,CD DOOR LOCKING
26 614 334 4711 LID,CD
27 614 334 6166 PWB,CONNECT1,AC CORD
28 614 335 1061 ASSY,CABINET,REAR
29 914 327 7669 ASSY,MECHA,DA11B3N
or 914 333 0395 ASSY,MECHA,DA11B3V
30 614 334 4513 BUTTON,PLAY,4 KEY
31 914 333 3389 ASSY,MECHA,TK20FX-S898001
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01 411 193 8603 SCR S-TPG BRZ+FLG 3X10,
DECK GEAR
Y02 411 193 8603 SCR S-TPG BRZ+FLG 3X10,
DECK PWB+PANEL FRONT
Y03 411 021 3404 SCR S-TPG BIN 3X10,
DECK PWB+PANEL
Y04 411 184 0906 SCR S-TPG BIN 2.3X10,
PANEL+FRONT PWB
Y05 411 021 3404 SCR S-TPG BIN 3X10,
PANEL+MTG DECK KNOB
Y06 411 021 3404 SCR S-TPG BIN 3X10,
PANEL+DECK MECHA
Y07 411 204 2101 SCR S-TPG PAN 2X3,
SPRING REC+DECK MECHA
Y08 411 178 4903 SCR S-TPG BIN 2.6X8,SHAFT+PWB
Y09 411 021 3404 SCR S-TPG BIN 3X10,
MTG CD+AMP PWB
Y10 411 045 1509 SCR PAN+SW 2.6X6,GEAR+VC
Y11 411 205 8508 WASHER Z 2.6X10X0.5,
KNOB TUNING+SHAFT
Y12 411 205 8409 SCR S-TPG BIN 2.6X8,
SHAFT+KNOB TUNING
Y13 411 021 3404 SCR S-TPG BIN 3X10,
MTG CD+CD PWB
Y14 411 194 8503 WASHER Z 2.6X10X0.5,
MECHA CD+MOUNTING
Y15 411 021 1608 SCR S-TPG BIN 2.6X10,
MTG CD+MECHA CD
Y16 411 184 0906 SCR S-TPG BIN 2.3X10,
BUTTON POWER PWB+MTG
Y17 411 021 3404 SCR S-TPG BIN 3X10,
MTG CD+ASSY GEAR
Y18 411 021 3404 SCR S-TPG BIN 3X10,
MTG+CD PWB SWITCH
Y19 411 021 3404 SCR S-TPG BIN 3X10,
REAR+PWB POWER
Y20 411 021 3404 SCR S-TPG BIN 3X10,
REAR+STOPPER
Y21 411 098 7701 SCR S-TPG FLT 3X10,
PANEL+REAR+MTG
Y22 411 021 3404 SCR S-TPG BIN 3X10,MTG+REAR
Y23 411 126 4108 SCR S-TPG BIN 3X16,PANEL+REAR
Y24 411 191 4201 SCR S-TPG BRZ+FLG 3X12,
REAR+TRANS
ELECTRICAL-PARTS
REF.NO. PART NO. DESCRIPTION
32 914 309 8790 ASSY,WIRE,DECK MAC
33 914 309 8806 ASSY,WIRE,DECK MAC
51 914 274 2014 CORD,ID CONNECTOR
52 !
!! 323 032 8104 FUSE 250V 2.5A
53 914 335 1369 ASSY,WIRE,CD-MAC
54 !
!! 614 335 8558 FLEXIBLE FLAT CABLE,CD-LASER
55 914 335 1352 ASSY,WIRE,AMP-SW
56 !
!! 645 083 7630 TRANS,POWER
57 !
!! 945 068 1050 CORD,POWER-2.0MK