Aiwa CSD-TD20 User manual

SERVICE MANUAL
DATA
COMPACT DISC / STEREO
CASSETTE RECORDER
BASIC TAPE MECHANISM : TN-21ZVC-2000,
ZZM-1 R2NC/AR2NC
BASIC CD MECHANISM : DA11T3C
CSD-TD20
CSD-TD21
K(S)
EZ(S), U(S),
HE(S), HT(S),
HR(S)
S/M Code No. 09-01C-426-7S2
SUPPLEMENT
This Servi e Manual shows only the differen e of the CD C.B wiring
(IC404: made by Rohm and made by Mitsumi).
For the ommon part, refer to the Servi e Manual
CSD-TD20 K / 21 EZ,U (S/M Code No. 09-003-426-7R1),
CSD-TD21 HE (S/M Code No. 09-006-426-7R2) and
CSD-TD21 HT,HR (S/M Code No. 09-008-426-7S1)

 2 
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
ALTERATION LIST 1 / 2 (IC404 (IC made by ROHM))
Change parts value
IC
87-A20-856-010 IC,BA6898S
CD C.B
C493 87-010-180-080 C-CER 1500P<U>
IC404 LA6541D BA6898S
D491 IN4148 Cancel
C493 Not use 1500p (U Model
R430 10K 6.8K
R445 18K 8.2K
R446 27K 22K
R447 12K 10K
R499 Not use 82K
R507 1.2M 1M

 3 
REF. NO PART NO. KANRI DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST
ALTERATION LIST 2 / 2 (IC404 (IC made by MITSUMI))
Change parts value
IC
87-A21-891-010 C-IC,MM1469XH
TRANSIST R
87-026-213-080 CHIP-TR,DTC114YK
CD C.B
C493 87-010-180-080 C-CER 1500P<U>
C495 87-010-197-080 CAP, CHIP 0.01 DM<EXCEPT U>
IC404 LA6541D MM1469XH
Q407 DTC144EKA DTC114YK
Q408 DTC144EKA DTC114YK
D491 IN4148 Cancel
C442 18p 22p
C450 470p Cancel
C470 ELEC 0.1µ/50V Cancel
C493 Not use 1500p (U Model
C495 0.01µ 0.01µ(except U
R430 10K 6.8K
R445 18K 15K
R446 27K 18K
R451 3.9K 2.7K
R477 10K Cancel
R495 1K 1.2K
R496 1K 1.2K
R499 Not use 68K
R507 1.2M Cancel

 4 
R820
R819
C317
C418
JR101
WIRING  1 / 2 (IC404 (IC made by ROHM) : MAIN / CD)
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U

 5 
SCHEMATIC DIAGRAM  1 / 2 (IC404 (IC made by ROHM) : CD 2 / 2)
EK EK
PIN3
JR
2SA1318TU
R431
270k
R432
270k
U
R413
15K C424
0.22

 6 
C494
C495
R490 R459
R492 R470
R491
17 814
15212228
R530
R476
R471
C471
R475
B CD C.B
EXCEPT U
U
WIRING  2 / 2 (IC404 (IC made by MISTUMI) : MAIN / CD)
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U

 7 
SCHEMATIC DIAGRAM  2 / 2 (IC404 (IC made by MITSUMI) : CD 2 / 2)
YY
220
3.3
R499
REG.
SW
R470 JW
68k
J
0.01
JW
1500P
100
15P
15P
16.934MHz
460
3.9k
459
3.9k
0.01
B CD
H
except
U
U

 8 
TRANSISTOR ILLUSTRATION
E
B
C
DTC114YK

 9 
IC, BA6898S
IC, MM1469XH
IC BLOCK DIAGRAM
1 2 3 4 5 6 7
Level shift
10k
13k
T.S.D 10k
10k 50k
50k
28 27 26 25 24 23 22
Level shift
10k
13k
Vcc
21 20 19 18 17 16 15
Vcc
Level shift
10k
13k
8 9 10 11 12 13 14
DRIVER MUTE
Level shift
10k
13k

211, IKENOHATA 1CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:[phone]
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