SERVICE MANUAL
DA
TA
BASIC CD MECHANISM : DA-11T3C
COMPACT DISC STEREO
SYSTEM
XR-M77
XR-M78
S/M Code No. 09-995-331-7S1
U, K
EZ
MODEL CODE : 86HR8-0117(B)
SUPPLEMENT
In the above models, the laser pickup of the CD mechanism is changed from KSM-213CDM
to DA-11T3C.
This SUPPLEMENT describes only the changed portions in relation with the change from
KSM-213CDM to DA-11T3C.
If requiring the other information, see Service Manual of the XR-M77 (TYPE:U)
(S/M Code No. 09-995-331-7R1).
XR-M77(TYPE:K) / XR-M78(TYPE:EZ)(S/M Code No. 09-995-331-7R2).
-2-
Precaution to replace Optical block
(SF-P101NR)
1) After the connection, remove solder shown in
the right figure.
Body or clothes electrostatic potential could ruin
laser diode in the optical block. Be sure ground
body and workbench, and use care the clothes
do not touch the diode.
Solder
PICK-UP Assy P.C.B
-3-
REF. NO
PART NO.
KANRI
DESCRIPTION
NO.
ELECTRICAL MAIN PARTS LIST-1/1
ALTERATION LIST-1/1
Change CD MECHA
M8-8ZK-390-07: KSM213CDM
TM
M8-ZZK-E90-07: DA11T3C
Change parts value
CD C.B
C411
87-010-546-080
CAP, E 0.33uF 50V
C411
0.15µF
TM
0.33µF/50V
C412
1µF/50V
TM
0.047µF
C422
2700pF
TM
3300pF
C423
0.068µF
TM
0.047µF
C424
0.018µF
TM
0.15µF
C426
0.33µF
TM
0.15µF
C440
1pF
TM
3pF
C442
15pF
TM
22pF
R412
68k
TM
220k
R413
39k
TM
15k
R415
22k
TM
15k
R417
12k
TM
15k
R418
47k
TM
33k
R419
1.5k
TM
2.7k
R420
27k
TM
22k
R426
12k
TM
22k
R431, 432
560k
TM
270k
R435
22k
TM
10k
R436
8.2k
TM
12k
R438
680
TM
1k
R447
18k
TM
5.6k
R449
5.6k
TM
8.2k
R453
8.2k
TM
15k
R478, 488
100k
TM
150k
R479, 485, 486, 487
47k
TM
82k
MECHANICAL MAIN PARTS LIST-1/1
Change parts
2
8Z-CL5-211-010
PANEL,CD
26
88-CD9-210-010
BASE,CHUCK
TM
27
88-CD9-211-010
RING,CHUCK
2
8Z-CDB-169-010
PANEL,CD SANYO
26
8Z-CL5-234-010
BASE,CHUCK ALCO-SANYO
27
8Z-CL5-235-010
RING,CHUCK ALCO
REF. NO
PART NO.
KANRI
DESCRIPTION
NO.
REF. NO
PART NO.
KANRI
DESCRIPTION
NO.
-4-
SCHEMATIC DIAGRAM-1/1 (CD)
T
O/FR
OM
MAIN
C
.B
WH405
T
O/FR
OM
FR
ONT
C
.B
WH401
T
O/FR
OM
CD
PICK
UP
T
O/FR
OM
MAIN
C
.B
WH804
T
O/FR
OM
MO
T
OR
C
.B
M
M1
(LOADING)
S1
(OPEN)
S2
(CLOSE)
CD C.B
DIGITAL OUT C.B
2SC2712
2SC2712
2SC2712
2SA1162
2SC2712
DIGITAL
OUT
LED
DRIVER
Q815-817
VF REG
Q809,810
AC DETECT
MOTOR
LOAD PROTECT
Q471
REG
PROTECT
2SC2712
2SC2712
+B SWITCH
SWITCH
SLED/
SPIN
MOTOR
DRIVE
16
16
R
CURRENT
LIMITER
6.3
16
16
CN401
100p
16
APC
2SA933
SFR401
82K
82K
82K
82K
150K
150K
220K
15K
22K
15K
2K7
3P
1K
12K
0.33u/50V
22P
10K
270K
270K
8K2
15K
0.15 M
5K6
33K
22K
0.15 M
3300P
0.047 M
0.047
M
15K
-5-
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
WIRING-1/1 (MOTOR)
MOTOR C.B
PIN3
M3
SW1
_
+
M2
M3
(SPINDLE MOTOR)
SW1
(INSIDE LIMIT SW)
T
O
CD
C
.B
CN403
M2
(SLED MOTOR)
_
+
6
1