Sanyo DC-DA380 Operating manual

FILE NO.
Service Manual Micro Component System DC-DA380 (AU)
PRODUCT CODE No.
129 634 03
REFERENCE No. SS5810301
Contents
Exploded view (Cabinet & Chassis) ................................. 1
Parts list ........................................................................... 2
IC Block diagram & description ........................................ 5
Schematic diagram
(CD) ............................................................................... 6
(AMPLIFIER ) ................................................................ 10
Wiring diagram
(CD & FRONT) .............................................................. 8
(TUNER & AMPLIFIER ) ............................................... 12
Supplement
The construction of the model DC-DA380/AU is similar to the model DC-DA370/AU. Please also refer to the
original service manual DC-DA370/AU(SM5810214) for the items which do not appear in this supplement.
SANYO Electric Co., Ltd.
Osaka, Japan
May / '02 BB Printed in Japan
This service manual consists of "DC-DA380U/AU" (Main unit : 129 633 03) and
"SX-DA380L/UK" (Speaker system : 165 056 00) & "SX-DA380R/UK" (Speaker system : 165 057 00).

- 1 -
EXPLODED VIEW (CABINET & CHASSIS)
N.S.P : Not supplied as service parts.
10
1
2
13
13
14
3
46
72
73
7
Y02
Y03
Y05
Y06
54
55
Y05
Y04
Y01
Y05
Y05
Y24
17
56
58
57
71
19
20
21
25
22
23
23
24
18
12
26
53
52
16
15
5
911
8
Y07 Y07
Y08
Y08
Y09
Y10
Y10 Y11
Y12
Y13
Y22
Y22
Y17
Y17
75
74
Y18
Y18
Y20
Y21
Y19
Y16
Y14
Y15
Y15
Y14
51
27
76
Y19
Y06
Y23
N.S.P
59

- 2 -
PARTS LIST
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 DESIGNATED COMPONENTS IN WHICH SAFETY CAN
BE OF SPECIAL SIGNIFICANCE. WHEN REPLACING A COMPONENT IDENTIFIED BY !
!! , 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.
Regular type resistors are less than 1/4 W Carbon type and Chip type resistors.
Regular type capacitors are less than 50 V and less than 1000 µF type of Ceramic type, Electrolytic type and
Chip type.
N.S.P :Not supplied as service parts.
PACKING & ACCESSORIES
REF.NO. PART NO. DESCRIPTION
614 323 4258 CARTON CASE
614 314 2850 CUSHION,REAR
614 314 2867 CUSHION,FRONT
614 323 4296 INSTRUCTION MANUAL
614 309 3435 NOTICE
645 041 9027 POLY SHEET-0430X0290*NC,SET
645 044 1110 REMOCON,***
614 318 9404 LID,BATTERY,SERVICE
645 005 1227 ASSY,ANTENA,LOOP
or 645 046 8322 ASSY,ANTENA,LOOP
614 245 0055 ANTENNA
614 322 2200 ASSY,BOX,SPEAKER(L)
614 322 2217 ASSY,BOX,SPEAKER(R)
614 322 3238 ASSY,GRILLE
CABINET & CHASSIS
REF.NO. PART NO. DESCRIPTION
1614 322 2231 ASSY,DOOR,DECK
2614 314 2645 LID,CASSETTE
3614 303 5718 KNOB,VR
4614 322 2248 ASSY,PANEL,FRONT
5614 322 2293 BUTTON,POWER,5KEYS
6614 318 7455 BUTTON,PLAY,10KEYS
7614 322 2316 BUTTON,MEMORY,6KEYS
8614 309 7969 ASSY,GEAR,LID CASSETTE
9614 303 5794 SPRING,TENS,DOOR DECK
10 614 303 1277 LATCH,CAM,DECK,DOOR,LOCKING
11 614 316 0359 MOUNTING,HOOK,ASSY,MECHA
12 614 304 5700 HOLDER,MAIN PCB,MAIN PCB
13 614 310 3899 SPACER,MECHA,MTG CD+DA11
14 614 307 2072 COVER,PICK-UP
15 614 314 7978 ASSY,DOOR,MOTOR
16 614 318 5079 ASSY,CLUTCH
17 614 323 5743 MOUNTING,CD
18 614 309 8270 ASSY,GEAR,LID,CD
19 614 307 8821 PULLEY
20 614 303 0256 LATCH,MAGNET
21 614 322 2392 LID,CD
22 614 322 3191 DEC,WINDOW,CD
23 614 322 2361 DEC,CAP
24 614 323 4142 ASSY,CABINET,REAR
25 614 316 1172 STOPPER
26 614 318 8841 ASSY,MOTOR
27 614 307 9804 ASSY,MECHA,CDDA11N-SASH
FIXING PARTS
REF.NO. PART NO. DESCRIPTION
Y01 411 165 3803 SCR S-TPG BIN 2.3X10,F-PANEL
Y02 411 021 3503 SCR S-TPG BIN 3X10,
F-PANEL+BUTTON,PLAY
Y03 412 003 1708 SPECIAL SCREW,
FRONT+ASSY,GEAR
ELECTRICAL PARTS
REF.NO. PART NO. DESCRIPTION
51 645 044 6061 TRANS,POWER
52 423 016 8103 FUSE 250V 4A
53 645 032 1887 CORD,POWER-2.0MK
54 614 316 8041 ASSY,WIRE,CD-CD MECHA
55 614 316 8072 FLEXIBLE FLAT CABLE,
CD-CD MECHA
56 614 316 8027 ASSY,WIRE,AMP-TAPE MECHA
57 614 316 8065 FLEXIBLE FLAT CABLE,AMP-FR
58 614 316 8010 ASSY,WIRE,R/P HEAD-AMP
59 645 051 0649 CORE,FERRITE,POWER CORD
or 645 031 7637 CORE,FERRITE,POWER CORD
or 645 013 6498 CORE,FERRITE,POWER CORD
REF.NO. PART NO. DESCRIPTION
Y04 411 022 4608 SCR S-TPG FLT 3X8,
MECHA+MOUNTING,HOOK
Y05 411 021 3503 SCR S-TPG BIN 3X10,
F-PANEL+MECHA
F-PANEL+LATCH,CAM
Y06 411 021 3503 SCR S-TPG BIN 3X10,
MTG CD+CD PCB
Y07 411 021 1806 SCR S-TPG BIN 2.6X10,
MTG CD+DA11
Y08 411 092 0906 WASHER Z 2.6X10X0.5,
MTG CD+DA11
Y09 411 021 3503 SCR S-TPG BIN 3X10,
ASSY,MOTOR+MOUNT CD
Y10 411 021 3503 SCR S-TPG BIN 3X10,
MTG CD+F-PCB
Y11 411 021 3503 SCR S-TPG BIN 3X10,
MOUNTING,CD+ASSY,GEAR
Y12 411 021 4906 SCR S-TPG BIN 3X20,
F-PANEL+MTG CD
Y13 411 021 3503 SCR S-TPG BIN 3X10,
SWITCH,PWB+MOUNTING CD
Y14 411 021 3503 SCR S-TPG BIN 3X10,MAIN PCB
Y15 411 165 3803 SCR S-TPG BIN 2.3X10,
LID CD+DEC WINDOW CD
Y16 411 021 3503 SCR S-TPG BIN 3X10,
REAR+STOPPER
Y17 412 032 6408 SPECIAL SCREW,REAR+P-TRANS
Y18 411 021 4906 SCR S-TPG BIN 3X20,C-REAR
Y19 411 021 3404 SCR S-TPG BIN 3X10,
C-REAR(ANT TERMINAL)
Y20 411 021 3404 SCR S-TPG BIN 3X10,
MTG CD+REAR
Y21 411 021 3404 SCR S-TPG BIN 3X10,C-REAR
Y22 411 098 7800 SCR S-TPG FLT 3X12,
C-REAR+MTG(L/R)
Y23 411 021 3503 SCR S-TPG BIN 3X10,
REAR+AC CORD PCB
Y24 614 129 9136 LUG,LEAD FIX

- 3 -
PARTS LIST
FRONT P.W.BOARD ASSY
The construction of "FRONT P.W.BOARD ASSY"(Ref.No72) is similar
to that of DC-DA370/AU.
CD P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
71 614 324 0921 ASSY,PWB CD(Only Initial)
CN111 645 026 2463 SOCKET,FFC 15P
or 645 040 0513 SOCKET,FPC 15P
CN113 645 005 8127 PLUG,6P,BASEMECHA
or 614 310 2472 PLUG,6P,BASEMECHA
CN114 645 005 9292 PLUG,5P
or 614 310 2465 PLUG,5P
D1211 407 099 4603 ZENER DIODE MTZJ3.9B
D1402 407 099 5204 ZENER DIODE MTZJ5.1B
D1404 407 012 4406 DIODE 1SS133
IC101 409 396 8100 IC LA9241ML
IC102 409 435 2106 IC LC78622NE
IC103 409 372 9602 IC LA6541
IC104 409 441 4507 IC TA7291S(M)
L1451 645 001 4550 INDUCTOR,10U K
PR140 645 014 2499 PROTECTOR,0.4A 125V
Q1301 405 008 7103 TR 2SB808-G-SPA
or 405 008 6809 TR 2SB808-F-SPA
or 405 151 4509 TR KTA1270-Y
or 405 151 4608 TR KTA1270-O
Q1401 405 009 5306 TR 2SB927-T
or 405 009 5207 TR 2SB927-S
or 405 141 3604 TR KTA1273-Y
R1211 402 082 0709 RESISTOR 5.6 J- 2W
X1451 645 020 9024 OSC,CRYSTAL 16.9344MHZ
or 645 053 3860 OSC,CRYSTAL 16.9344MHZ
TUNER & AMPLIFIER P.W.BOARD ASSY
REF.NO. PART NO. DESCRIPTION
73 614 322 7663 ASSY,PWB AMP-TU(Only Initial)
C2457 403 259 0508 NP-ELECT 1U M 50V
C4601 403 057 3503 POLYESTER 0.1U K 50V
C4605 403 061 3605 POLYESTER 0.039U J 50V
C4606 403 061 7702 POLYESTER 4700P J 50V
C4607 403 059 3204 POLYESTER 2200P J 50V
C4608 403 060 2807 POLYESTER 0.027U K 50V
C4743 403 057 3503 POLYESTER 0.1U K 50V
C4843 403 057 3503 POLYESTER 0.1U K 50V
C4950 403 332 7400 ELECT 2200U M 50V
C4984 403 194 3800 ELECT 2200U M 25V
or 403 329 3309 ELECT 2200U M 25V
CN201 645 005 0695 TERMINAL,ANT
or 645 031 7910 TERMINAL
CN400 645 012 5362 SOCKET,FPC 32P
CN440 645 005 8127 PLUG,6P
or 614 310 2472 PLUG,6P
CN441 614 310 2748 PLUG,3P,POWER
or 645 004 2898 PLUG,3P,POWER
CN445 614 310 2519 PLUG,10P
or 645 005 8158 PLUG,10P
CN450 614 276 6835 SOCKET,JACK
or 645 048 6241 JACK,RCA-2,JACK
CN455 645 011 6384 JACK,PHONE D3.6,HEADPHONE
CN456 645 006 1875 PLUG,2P,SPEAKER
CN457 645 006 1875 PLUG,2P,SPEAKER
CN458 645 043 8905 JACK,RCA
CT252 645 032 5663 TRIMMER,7PF
D2103 407 012 4406 DIODE 1SS133
D2104 407 012 4406 DIODE 1SS133
D2151 407 012 4406 DIODE 1SS133
D2153 407 105 1602 VARACTOR DI SVC342M-V
or 407 105 1305 VARACTOR DI SVC342L-V
D2301 407 063 9108 ZENER DIODE MTZJ6.8B
D2451 407 012 4406 DIODE 1SS133
D2452 407 153 7502 ZENER DIODE GZS3.0B
D2453 407 012 4406 DIODE 1SS133
D2456 407 012 4406 DIODE 1SS133
D2466 407 012 4406 DIODE 1SS133
D4500 407 012 4406 DIODE 1SS133
D4960 407 012 4406 DIODE 1SS133
D4991 407 099 6805 ZENER DIODE MTZJ13B
D4992 407 099 6003 ZENER DIODE MTZJ9.1B
D4993 407 012 4406 DIODE 1SS133
D4994 407 098 3300 DIODE RL153-BF-S2
D4998 407 012 4406 DIODE 1SS133
HS401 614 314 3017 HEAT SINK,HEATSINK
IC231 409 474 3201 IC LA1844ML
IC241 409 439 4502 IC LC72121M-D
IC440 409 451 7406 IC AN7348K
IC441 409 500 2208 IC LC75343-MPB
IC442 409 441 6402 IC TDA7265
IC443 409 189 3404 IC BA7755A
IC446 409 039 9204 IC NJM78L05A
L2151 645 037 2377 TRANS,ANT,796KHZ
L2153 645 040 2739 TRANS,OSC,796KHZ
L2451 645 001 4581 INDUCTOR,100U K
L4600 645 006 1523 INDUCTOR,470U J
L4601 645 006 1523 INDUCTOR,470U J
L4602 645 037 2858 CORE,PIPE
L4603 645 006 1523 INDUCTOR,470U J
L4604 645 037 2858 CORE,PIPE
PR495 645 014 2505 PROTECTOR,0.8A 125V
PR496 645 014 2512 PROTECTOR,1A 125V
Q2140 405 017 9600 TR 2SC3330-T
or 405 011 8609 TR 2SC1740S-S
or 405 011 8500 TR 2SC1740S-R
or 405 143 8706 TR KTC3199-GR
or 405 017 9709 TR 2SC3330-U
or 405 020 7402 TR 2SC945A-P
or 405 020 7204 TR 2SC945A-K
or 405 019 3705 TR 2SC536-G-AUD-SPA
Q2201 405 016 0806 TR 2SC2839-E
or 405 151 4103 TR KTC3193-Y
or 405 151 4202 TR KTC3193-O
Q2310 405 020 7402 TR 2SC945A-P
or 405 020 7204 TR 2SC945A-K
or 405 019 3705 TR 2SC536-G-AUD-SPA
or 405 017 9709 TR 2SC3330-U
or 405 017 9600 TR 2SC3330-T
or 405 011 8609 TR 2SC1740S-S
or 405 011 8500 TR 2SC1740S-R
or 405 143 8706 TR KTC3199-GR
Q2451 405 036 3702 TR 2SA1564
or 405 151 5209 TR KRA107M
or 405 000 0904 TR DTA114YS
or 405 078 2404 TR BN1A4P
Q4410 405 141 3406 TR KTA1266-GR
or 405 141 3505 TR KTA1266-Y
or 405 004 4502 TR 2SA608-F-NP
or 405 004 5004 TR 2SA608-G-NP
Q4501 405 000 3806 TR DTC114YS
or 405 143 0007 TR KRC107M
Q4502 405 000 3806 TR DTC114YS
or 405 143 0007 TR KRC107M
Q4511 405 141 5608 TR DTC114YKA
or 405 159 0503 TR KRC107S
Q4512 405 146 2206 TR KTC3875-GR
or 405 146 2107 TR KTC3875-Y
or 405 011 1006 TR 2SC1623-L6
or 405 014 4509 TR 2SC2412K-R
Q4513 405 146 1704 TR KTA1504-Y
or 405 146 9700 TR KTA1504-GR
or 405 005 5508 TR 2SA812-M6
REF.NO. PART NO. DESCRIPTION

- 4 -
PARTS LIST
POWER TRANSFORMER,
PRIMARY P.W.BOARD ASSY
The construction of "POWER TRANSFORMER,PRIMARY
P.W. BOARD ASSY"(Ref.No74) is similar to that of DC-DA370/AU.
POWER TRANSFORMER,
SECONDARY P.W.BOARD ASSY
The construction of "POWER TRANSFORMER,SECONDARY
P.W. BOARD ASSY"(Ref.No75) is similar to that of DC-DA370/AU.
CD LID SWITCH P.W.BOARD ASSY
The construction of "CD LID SWITCH P.W. BOARD ASSY"(Ref.No76)
is similar to that of DC-DA370/AU.
TAPE MECHANISM (TM-DA370TN-SH)
The construction of "TAPE MECHANISM (TM-DA370TN-SH)" is
similar to that of DC-DA370/AU.
REF.NO. PART NO. DESCRIPTION
Q4600 405 155 0002 TR MPSA56
Q4601 405 000 3806 TR DTC114YS
or 405 143 0007 TR KRC107M
Q4602 405 019 3804 TR 2SC536-G-NP
or 405 141 3307 TR KTC3198-GR
or 405 141 3208 TR KTC3198-Y
or 405 019 2708 TR 2SC536-F-NP
Q4603 405 141 3307 TR KTC3198-GR
Q4700 405 000 3806 TR DTC114YS
or 405 143 0007 TR KRC107M
Q4711 405 141 5608 TR DTC114YKA
or 405 159 0503 TR KRC107S
Q4800 405 000 3806 TR DTC114YS
or 405 143 0007 TR KRC107M
Q4811 405 141 5608 TR DTC114YKA
or 405 159 0503 TR KRC107S
Q4950 405 141 3307 TR KTC3198-GR
or 405 141 3208 TR KTC3198-Y
or 405 019 2708 TR 2SC536-F-NP
or 405 019 3804 TR 2SC536-G-NP
Q4960 405 155 0002 TR MPSA56
Q4961 405 155 0002 TR MPSA56
Q4962 405 143 0007 TR KRC107M
or 405 000 3806 TR DTC114YS
Q4963 405 143 0007 TR KRC107M
or 405 000 3806 TR DTC114YS
Q4990 405 138 6403 TR KTD2058Y
or 405 095 1602 TR 2SD2061-E
or 405 095 1701 TR 2SD2061-F
Q4991 405 138 6403 TR KTD2058Y
or 405 095 1602 TR 2SD2061-E
or 405 095 1701 TR 2SD2061-F
Q4992 405 141 3703 TR KTA1271-Y
or 405 008 2405 TR 2SB698-F
or 405 008 2504 TR 2SB698-G
Q4993 405 141 3703 TR KTA1271-Y
or 405 008 2405 TR 2SB698-F
or 405 008 2504 TR 2SB698-G
Q4994 405 000 3806 TR DTC114YS
or 405 143 0007 TR KRC107M
R4742 402 071 1304 FUSIBLE RES 2.2 JA 1/4W
R4842 402 071 1304 FUSIBLE RES 2.2 JA 1/4W
S0012 614 317 3311 SHIELD,PLATE
S4901 614 215 9828 SWITCH,TACT
SA401 411 021 6405 SCR S-TPG BIN 3X8
SA402 411 021 6405 SCR S-TPG BIN 3X8
SA403 411 021 6405 SCR S-TPG BIN 3X8
SA404 411 021 6405 SCR S-TPG BIN 3X8
SA405 411 021 6405 SCR S-TPG BIN 3X8
T2002 645 046 2023 FILTER,450KHZ
U2101 645 045 4073 TUNER,FM
X2451 645 053 4263 OSC,CRYSTAL 7.2MHZ
or 645 023 4965 OSC,CRYSTAL 7.2MHZ
XF221 645 010 7665 CERAMIC FILTER 10.70MHZ
or 645 010 0079 CERAMIC FILTER 10.70MHZ
or 614 240 2917 FILTER,CERAM
XF222 645 010 7665 CERAMIC FILTER 10.70MHZ
or 645 010 0079 CERAMIC FILTER 10.70MHZ
or 614 240 2917 FILTER,CERAM
XF231 645 041 9324 CERAMIC FILTER 450KHZ
XF233 645 040 9981 TRANS,IF 10.7MHZ
or 645 039 9923 TRANS,IF 10.7MHZ

- 5 -
IC BLOCK DIAGRAM & DESCRIPTION
IC101 LA9241ML (Servo Signal Processor)
FSS
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
48
47
46
45
44
43
41
40
39
38
37
36
35
34
33
42
32313029282726252423222120191817
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Vcc1 LDS LDD BH1 PH1 LF2 VR REF1 Vcc2
DRF CE DAT CL CLK DEF
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
SLOF
HFL
TES
TOFF
TGL
JP+
JP-SL+SL-SLDSLEQSPDSP-SPGSP
NC
AGND
FE-FE FA-FAFD-
FD
TO
JP
TD
TD-
TA
TH
SCI
TESI
TE
TE-
TB
F
E
FIN1
FIN2
APC
RF DET
REF
VCA
I/V
BAL VCA
INTER FACE
U-COM
SLC
RF Amp
TE
T.SERVO & T.LOGICK
F.SERVO & F.LOGICK SPINDLE SERVO SLED SERVO
IC441 LC75343-MPB (Controllable Electronic Volume)
5
7
9
11
16
2
3
10
8
4
MUTE/
ST-BY
IN (L)
IN (R)
IN- (L)
IN- (R)
GND
OUT (L)
OUT (R)
-Vs
+Vs
IC442 TDA7265 (Stereo Amplifier)
32
33
34
35
36
1
2
3
4
5
6
RINP
RINM
ROPOUT
VDD
CL
DI
CE
VSS
LOPOUT
LINM
LINP
24
23
22
21
20
19
18
17
16
15
14
R5
R4
R3
R2
R1
Vref
L1
L2
L3
L4
L5
31
ROUT RSB
30 29
RBASS2 RBASS1
28
RTRE
27
RVRIN
26
RSELO
25
7
LOUT
LSB
89
LBASS2 LBASS1
10
LTRE
11
LVRIN
12
LSELO
13
CCB
INTERFACE
CONTROL
CIRCUIT
LOGIC
CIRCUIT
CONTROL
CIRCUIT
RVref
LVref