Sanyo DC-MCR60 Service Manual page 19

SCHEMATIC DIAGRAM (CD & SYSCON)
4.3 Q1301
VREF VREF
2SB810
4.9
16
3.6
PICK UP C1335 3.6
COMMON
COM 4.2
DT11T3CN 10;50 1.6
15
C1302 1000P
E
E
14
R1340 82K
FIN2 64 63 62
2.5
D
D R1342 82K
2.5
13 1
RFVCC
A R1344 82K LASER
A VPPC
12 2
FIN1
R1345 82K REF
2.5
B
B
2.5
11 R1348 3
R1346
E
2.5 REF
150K 000
C
C R1347 2.5 F
10 4
2.5
150K
C1303 2.5
F 0.22 2.5 TB REF
F
9 2.5 5
GND 2.5
GND 2.5 TE-
8 6 REF
R1304 BPL
LD
LD 6.8K 2.5
LD TE
7 2.5 7
REF
C1305
VR
SVR 330P TE
VR
6 8
2.5
TESI -HIST.COMP
2.5
MD
MD
MD SCH
C1308 0.22
5 9
SHOCK:WCOMP
2.5
2.5
F+ C1341 3300P TGHI
F+ TH
4 10 TGLI
2.5 THLDI
2.5
R1308 27K
T-
2.5
T- TA
3 2.5 11
C1309
R1309
REF
330
0.047
T+ T+ R1310
TD-
2 12 TOFF2
2.5
15K
2.5
F- F- TD
1 13
2.5
REF
2.5
TOFF
R1312 6.8K REF
JP
14
2.5
2.5
TO
15
2.5
2.5
FD
16
2.5
2.5
17 18 19
R1313
22K
C1312
1000P R1315
15K
C1313 R1314
0.1 22K
R1317 R1318
68K 1.5K
SPINDLE MOTOR
SP+ SP+
M 6
SP- SP-
28 27 26 25 24 23 22
5
SL+ SL+
M 4
IC103
SL- SL-
3
SLED MOTOR
1 2 3 4
LIMIT LIMIT
2
LIMIT SW
GND GND
1
BASE
MECHANISM
R1476
1K
This is a basic schematic diagram.
CD Section
R1453
2.7K
IC101
LA9242M
61 60 59 58 57 56 55 54 53 52 51 50 49
NC
0.0
S.DVCC
0.0 R1337
6.8K
VCC TBC
TBC
2.5
C1329
2.5
4.7;50
FSC
FSC
FE1
REF 2.5
RF R1338
2.5
REF GAIN DGND 330K
DEF EFBAL
FOSTA
0.0
VCA CLK
HFL TOSTA 0.0
VCA REF
2FREQ CE
VHFL
BAL LASER REF
VCA CL
SLI
DRF FSTA
REF
8/12CM DAT
VCA REF
VDRF SLOF
PONRST
BAL
SLC
TBC RFS- 2.4
R1333 R1334
2.4
REF
REF VCC
GEN
15K 1K
TOADJ STOP D Q
a
TOSTA R RF
RFSM 2.4
TES VR+0.3V
1.6
REF
CV+
REF CV- CV+
TGLI
FOCS
TGHI AND FSTA CV-
TGL CV+ CV-
TGLI
THLDI
REF FSTA
THLDI DEF STOP REF JP-
OR SLOF
GEN
SLOF
THLD JP 0.0
WCOMP 4.8
JP FOADJ JP+
HFL
HFL
REF FSTA SLOF SLOF
FE1 TES
REF GEN
TES
REF
FSERCH
OR
REF
REF
TOFF
FOFF SLOF TOFF
REF
0.0
8CM
REF 4.8
TGL
TO
TGL
12CM
JP+ 4.8
JP- 4.8
REF JP+
0.0
0.0
20 21 22 23 24 25 26 27 28 29 30 31 32
C1318
R1320
8.2K
100P
R1327
C1321
R1331 220K
3300P
56K
FE
R1330 220K
VC
21 20 19 18 17 16 15
MM1469XH
D1401 D1402 D1403
1SS133 1SS133 1SS133
5 6 7 8 9 10 11 12 13 14
- 18 -
R1349
000
64 63 62 61 60 59 58 57 56 55 54 53
DEFI
0.0
0.0
TAI
C1451 R1454
0.1 680
PDO
0.0
0.0
VVSS
C1452
0.1
1.5
1.5
ISET
4.8
4.8
VVDD
C1455
0.1
FR
0.0
0.0
DVSS
IC102
C1346
33P EFMO
LC78629E
2.3
2.3
EFMIN
C1325 R1336
2200P 330 0.0
0.0
TEST2
RF
CLV+
CLV-
0.0
4.8
V/P
HFL
TES
17 18 19 20 21 22 23 24 25 26 27 28
+9V
PR140
400mA
R1473
100K
REST
R1462 560
CQCK
R1463 560
COIN
R1475 560
SQOUT
R1499 100
RWC
R1465 560
WRQ
C1491
DRF
0.01
52 51 50 49
EFLG
SBSY
0.0
0.0
C1773 R1771
XVSS 10;25 1K
XIN
XOUT
4.8
4.8
XVDD
0.0
4.7
MUTER
5.1
5.1
RVDD
2.1
C1783 R1781
2.1
RCHO 10;25 1K
0.0
0.0
RVSS
LVSS
2.1
2.1
LCHO
5.1
5.1
LVDD
0.0
4.7
MUTEL
0.0
NC
0.0
TEST4
0.0
0.0
29 30 31 32
D1410
RL153
PLAY
STOP
PRODUCT SAFETY NOTICE
Each precaution in this manual should be followed during servicing. Components identified
with the IEC symbol and mark in the parts list and the schematic diagram designated
! ! !
components in which safety and performance can be of special significance. When
replacing a component identified by ! ! ! and
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.
- 19 -
CD_R
A.GND
CD_L
TO U_COM PWB
LIM_SW
DRF
DRF
REST RESET
RWC
RWC
CQCK CQCK
WRQ
WRQ
COIN COIN
SQOUT
SQOUT
CD_R CD_R
CD_GND
CD_L CD_L
GND
+B
TO MCON GND
0.01
C1496
, use only the replacement parts