Page 1
Q201
2SB709ATX
LASER POWER DRIVE
(1.9V)
1V
2.5V
R201
:CD PLAYBACK SIGNAL LINE:POSITIVE VOLTAGELINE
2.2
SHORT LAND
OPTICAL PICKUP
0.047
0.22
LD
GND
A
LPD
1 2 3 4 5
2K
0.22
B
VREF
678910
VCC
E
GND F
TRACKING
COIL
FOCUS
COIL
2V
C201
(2.2V)
GND
1
LD+
2
RF(-A)
3
VCC
4
TE(F)
5
GND
6
TE(E)
7
VREF
8
RF(-B)
9
LPD
10
NC
11
GND
12
13
14
15
16
CN101
1
2
3
4
5
6
7
8
9
10
11
12
T+
13
T-
14
F+
15
F-
16
A
B
C
D
E
FBACD
6.3V22
1
R203
R113
33
R114
33
E
(LASER ON/OFF)
22K
R202
S201
PLAY
0.5 s. 0.2V/DIV.
0.8V
P-P
PLAY
70mV
IC101
AN8839NSBE1
R125
D
C
E
B
F
A
C115 0.022
C103 0.022
0.1
C114
R126
120K
RF
120K
ABC
C101
0.1
SERVOAMP
1
PDE FBAL
1.2V
2
PDF
2.5V
3
DD
V
1.2V
4
PDA
1.2V
5
PDB
0V
6
LPD
(2.2V)
2V
7
LD
(1.4V)
0.6V
8
RF
0.7V
9
RF IN
1.2V
10
CSBRT
0.9V
11
CEA
0V
12
BDO
(3V)
0V
13
LDON
14 15
GND
2ms. 20mV/DIV .
TBAL
VREF
FE IN
FE OUT
TE OUT
TE IN
NC
ENVOFF
ENV
NC
OFTR
PDOWN
/RFDET
P-P
1.2V1.2V
28
1.2V
27
1.2V
26
1.2V
25
1.2V
24
1.2V
23
1.2V
22
21
(0V)
2.5V
20
1.2V
19
18
0V
17
0V
16
(0V)
2.4V
D
E
C112
C121
220P
120P
R129 10K
C117 0.022
R128 10K
C116 0.022
R122
120K
R120
10K
R121
120K
PLAY
2ms. 0.1V/DIV.
C120
1500P
F
G
0.1
C113
H
I
C111
0.022
J
0.3V
P-P
2.5V
Page 2
OPERATION/LCD UNIT
S807
S808
(/)
(/)
(EQ)
S805
S806
(MEMORY/RECALL)
LCD301(RSL5250-T)
LCD DISPLAY
3 4
1 2 5 6 7 8 9 10 11 12 13 14 15 16 17 18 1920
:POSITIVE VOLTAGELINE
S804
S803
()
(A.SHOCK)
S802
( OPR OFF)
S801
()
R325
33K
R322 100K
R323
100K
A
B
C
D
E
F
G
H
I
J
Z
CabB
CN301
(0.8V)
1
1
baZYXWVUTSRQPONMLKJIHGFEDCBA
0
RJ306
R306
2.5V
2.5V
2.5V
2.5V
1.9V
2.5V
2.5V(0V)
2.5V
2.3V(1.2V)
2.4V
2.5V
0.2V
2.5V
2.5V
2.5V
47K
3KEY
1
DOCTOR
2
NC
3
STOP
4
SKIP.F
5
SKIP.R
6
REPEAT
7
MEMORY
8
MUTE
9
BUZ
10
FG
11
BOUT
12
LCD REM
13
TX POWER
14
RDATA
15
0V
R CLK
16
MLD
17
MCLK
18
MDATA
19
0V
STAT
20
EFGH IJKLMNOP Q
1.4V
1.4V
1.4V
2.5V
2.5V
1.4V
1.4V
1.4V
1.4V
3.2V
1.8V
0.9V
VL1
VL2
VL3
T 15.2ms.
COM0
COM1
PLAY
T 13.3ms.
PLAY
F=150Hz
Vcc
AVss
SEG0
VREF
COM3
COM2
2.8V
1.8V
0.8V
0V
IC301
M38224M050HP
SYSTEM CONTROL/
LCD DRIVE
2.4V
0V
2.4V
0V
SEG1
SEG2
T 15.2ms.
F=4.2336MHz
F=4.2336MHz
1.4V
1.4V
SEG3
1.4V
SEG4
1.4V
SEG5
1.4V
SEG6
2.8V
1.8V
0.8V
0V
2V
P-P
SEG7
2.1V
P-P
1.4V
6162636465666768697071727374757677787980
SEG8
SEG9
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
PMSEL
RAMSEL
REMSEL
JUDGE
11T
GUP
3032 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 192021 22 23 24 25 26 27 28 29
3032 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 192021 22 23 24 25 26 27 28 29
2.5V
3.2V
1.4V
60
1.4V
59
1.4V
58
1.4V
57
1.4V
56
1.4V
55
1.4V
54
NC
53
SM
52
51
NC
50
NC
49
2.5V
48
2.5V
47
NC
46
45
0V
44
6T
43
2.4V
42
2.5V(0V)
PC
41
R
S
T
U
V
W
X
RJ301
0
RJ302
0
R
S
T
C301
1
R324
100K
R301
3.9K
R308
100K
R302
100K
C302
BLKCK
0V
0V0V0V
1
KL MN O
2.5V
2.8V
2.5V
1.2V
1.2V
R304 1M
2.5V
0V
(3V)
P
SHOCK.P
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
Q
4039383736353433323130292827262524232221
D301
MA142WKTX
S309
(MODE)
A
Y
D
NORMAL RANDOM RESUME
R303
1K
(HOLD)
ON OFF
R326
1K
S310
NC
NC
PLAY
BATTERY
EQ
RANDOM
RESUME
HOLD
REST
Vss
X OSC OUT
X OSC IN
OPEN
BATTSTROBE
/RESET
ZANSEL
PDOWN
RSENSE
Page 3
:POSITIVE VOLTAGELINE
TRAVERSE
MOTOR
S202
(REST DET.
SWITCH)
M M
1 2 3 4 5 6 7 8
CN401
ACFDEB
SPINDLE
MOTOR
2.5V
3.2V
C404
6.3V22
R435
47K
4V47
C437
IC402
BA6966FVE2
MOTOR DRIVE
F
E
0V
(0.6V)
UOUT VOUTRFUIN
1 2 3 4 5 6 7 8 9 10
0.6V
(0.3V)
D
R433
33K
C
R4311R432
(0.6V)
N.C.
WOUT
0V
0.6V
(0.3V)
C431
2200P
1
L401
Q402
2SD1819ATX
SWITCHING
(0V)
1.1V0V0V
VM
VIN
0.6V
(0.3V)
(0.3V)
C432
C433
2200P
3.2V
CC
V
WIN
0.6V
2200P
2.5V
R437
(0.3V)
C406
RJ3
0V
1500P
390
RIB
COM
0.6V
0.015
0
C438
R436
(3.2V)
0V
3.2V
(0.3V)
0.47
C434
R405
0.5V
15K
2.5V
0.8V
(0V)
STBY
BRK+
CST
CSL1
0V
0V
(3V)
C435
C436
0.033
0.033
Q401
DTC144TUA106
SWITCHING
0V
33K
C410
1200P
BR
P
47K
R440
2.9V
(1.5V)
11121314151617181920
FG
BRK-
CSL2
GND
47K
0V
R404 27K R406 100K
R441
180K
C405 0.012
R403
T
12K
Q431
DTA144EUA106
SWITCHING
(3.2V)
0V
C
D
B
A
B
2.2K
R439
47K
2.5V
(0V)
R411
R410
39K
8.2K
3.2V
47K
(0V) 2.5V
7.1V
2.8V
(0V)
1.1V
2.8V
1.2V
0.5V
(0.2V) 0V
C408
0.022
0V
0V
0V
0V
0V
1V
0V
IC401
BH6522FVE2
COIL & MOTOR DRIVE
21
GND
22
MUTE (PC)
23
VG
24
IN3F
25
IN3R
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
NC
PGND3
VO3R
CC3
PV
VO3F
PGND34
NC
VM
CC4
PV
VLIM
CN4
IN4
OP
INV
NINV
MONITOR
PV
VO2R
PGND2
VO2F
PV
VO1F
PGND1
VO1R
PV
VREF
IN2F
IN2R
IN1R
IN1F
CC2
CC12
CC1
CLK
VCC
A
B
C
2.8V
0V
20
19
18
17
16
NC
15
14
13
12
11
10
9
8
7
6
5
4
3
NC
2
1
CT
0V
0V
0V
1.4V
2.8V
0V
0V
2.8V
0V
0V
2.8V
1.2V
1.2V
2.5V
0.3V
C401
1000P
E
F
H
G
A
1
A
C402
B
D
C
E
VREF
1
C414
2.5V
Page 4
:POSITIVE VOLTAGELINE :CD PLAYBACK SIGNAL LINE
2.8V
2.5V
3.2V
2.5V
NWE
DQ2
0.4V
(1.5V)
8021
79
DD1
78
X2
77
X1
76
75
74
73
72
71
70
69
68
STAT
67
66
65
64
63
MLD
62
61
0.5 s. 1V/DIV.
C601
1000P
C602
1000P
Q
0
RJ501
(1.5V)
(1.5V)
0.7V
1234589101112
DQ1
DQ3
0.4V
(1.5V)
2.5V
1.2V
1.2V
2.5V
2.5V
1.2V
1.2V
2.5V(0V)
2.8V
0V (0.8V)
2.5V
0V
2.5V
2.5V
2.5V
PLAY
1.5V
1.5V
Q603
XN1215TX
MUTING
0.7V
DQ0
SS
V
B
A
C
0.1
C525
C502
33P
C501
X501
39P
(16.9MHz)
AB EC
1K
560
C603
C604
2700P
2700P
D
2.5V
M
J
O
K
G
I
H
C
A
B
3V
R514
680
C514 1000P
R511 1K
R512
2.4V
0V
R603
0V
10K
10K
0V
R604
560
R515
15
A BC
0.1
C510
R502
56K
R501
C505
C610
(1.1V) 0V
(0V) 2.4V
68K
0.022
4V47
2.5V
1.2V
1.2V
1.2V
1.2V
1.2V
(3V) 0V
1.2V(1.5V)
0V
0V
0V
0V
0V
0V
0V
0V
1V
A
B
C
D
E
F
G
H
F
G
H
I
J
E
D
B
C
A
C503
560P
0.1
C511
0.1
C504
(0.6V) (0.5V) (0.2V) (0.2V)
2.5V 0V 0V 0V 0V 2.5V 2.5V
A3
VDD
A4
A8
13 14 15 16 17 20 21 22 23 24
0V
0V 0V 0V 0V 2.5V
(0.5V) (0.6V) (0.6V) (0.5V)
(0.5V)
0
RJ509
FGHI KML
J
AQBCDEFGHIJ KLMNOP
0V(0.6V)
A3
VSS2
DD2
DV
22
SPOUT
23
TRV+
24
TRV-
25
TR+
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
R513
100K
TR-
FO+
FO-
FBAL
TBAL
CSEL
FE
TE
RFENV
OFT
NRFDET
BDO
LDON
ARF
IREF
0.22
C506
390
R505
VDD
F=88.2kHz
IC501
MN662784SA
SERVO PROCESSOR /
DIGITALSIGNALPROCESSOR /
DIGITALFILTER & D/ACONVERTER
PLAY
0.5 s. 0.2V/DIV.
AD PVCC
DSLF
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
1.4V
(1.5V)1.2V
R506
0.47
C508
GND
C507
4V220
D
A2
A1
A0
IC502
M51V4400D7FS
4M DRAM
A5
A6
A7
0V(0.6V)
0V(0.6V)
0V(0.5V)
0V(0.5V)
0V(0.2V)
0V(0.2V)
0V(0.5V)
A2A1A0A9A4A5A6A7A8
2.4V
0.8V
P-P
VCOF
2.5V
2.4V
0V
AVDD2
PLAY
1kHz, 0dB
SS2
OUTL
AV
1.5V
R508
1
P-P
AVSS1
F=4.2336MHz
DRF
PLLF
(1.5V)1.2V
(0.3V) 0.1V
(0.7V) 0.3V
2.2K
0.01
C509
0V(0.5V)
0V(0.5V)
OUTR
3V
1.5V
0.1
C515
2.5V
NCAS1
NCAS0
1.3V
P-P
PLAY
T 13.3ms.
AVDD1
FSEL
TMOD1
0
RJ507
2.5V
0.4V (1.5V)
0.4V (1.5V)
D3
D2
F=16.9MHz
F=16.9MHz
PLAY
F=75Hz
TMOD2
FLAG
R601
680
R602
680
A9
NOE
NRAS
FCLK
2.5V
RJ505
0.7V (1.5V)
NWE
2.1V
P-P
0.7V
P-P
2.4V
0V
EXT0
0
0.7V (1.5V)
D1
0V
EXT1
NRAS
NCAS
2.5V
1234567891011121314151617181920
D0
2.4V
EXT2
1.5V
OEPN
0
RJ503
DD3V
DV
DVSS1
DV
NTEST
NCLDCK
SBCK
SUBC
SMCK
PMCK
SPPOL
NRST
DMUTE
SUBQ
SQCK
BLKCK
MDATA
MCLK
TX
Page 5
:POSITIVE VOLTAGELINE :CD PLAYBACK SIGNAL LINE
BEDC
A
POWER SUPPLY
R11
8.2K
VOLTAGEADJ.
VR11
3K(B)
R12
3.3K
R16
39K
C
N
Q
C14
4V220
R27
C23
3.9K
1
C10 120P
R22
C21
22K
0.01
R15 39K
68K
R31
C12
10V4.7
C13
6.3V47
C19 6.3V22
C22 0.1
C24 560P
C20 1
0.1
C30
L13
1
C11
IC11
RS10003E2
DC-DC CONVERTER
1.2V
CLK DVDD
22
PREGND
1.5V
23
AREF
3V
24
AVCC
3V
25
CRP
2.8V
26
RESET
1.6V
27
SOFT
0.6V
28
EO
0.9V
29
EI
2.5V
30
VADJ
0.5V
31
CT
0V
32
SPRT
33
OFF
2.4V
34
BOUT
0V
35
STROBE
36
SEI
3.2V
37
VSUB
2.5V
38
SSW
2.5V
39
SV
2.5V
40
USW
CC
2.8V
2.5V
3.2V
L12
S/P
MCLK/
CHARGE
MLD/
VCNT
MDATA/
EMP
MSTAT/
ACDET
REGB
CC2
PV
IOUT
P.GND2
START
AMUTE
ICNT
RESTART
VSEN
PV
CC1
DSW
P.GND1
0.1
C15
R14
2.2K
D12
MA741WKTX
3V
2021
3V
19
2.5V
18
2.5V
17
2.5V
16
2.5V
15
2.4V
14
6.1V
13
0V
12
11
2.8V
10
LG
7.1V
9
VG
2.8V
8
0V
7
0V
6
0V
5
2.8V
4
2.8V
3
2.5V
2
1
R13 1K
MA111TX
R29 5.6K
C17
D21
1
C37
1
C36
R28
10
6.1V
C27
6.3V330
Q11
2SB1132T100
REGULATOR
2.8V
2.4V
L11
C26
C35
C16
1
10K
R32
C33
10V4.7
R26
100K
1
R25
100K
1
1
C28
6.3V330
2.8V
D11
MA1070400L
3.2V
3.2V
10K
D911
R952
MA142WKTX
R954
4.7K
2.9V
47K
2.9V
47K
E
F
L
A
0.2V
0V
Q955
UN5213TX
SWITCHING
(REMOTE)
2.8V
2.8V
2.9V
R953
Q954
XN1215TX
SWITCHING
(REMOTE)
4.7K
10K
10K
0V
R955
R905
12K
47K
C951
3.1V
Q951
2SB1218ATX
SWITCHING
(REMOTE)
820
0.022
R951
3.1V
2.9V
2.5V
2.5V
10K
0V
10K
Q953
DTC114EUA106
SWITCHING
(REMOTE)
Q952
2SD1819ATX
SWITCHING
(REMOTE)
47K
2.5V
47K
3.2V
Q903
DTA144EUA106
BUZZAR AMP
0V
A
B
Page 6
2.5V
:POSITIVE VOLTAGELINE :CD PLAYBACK SIGNAL LINE
R902
270K
(0V)
2.5V
Q902
XN1210TX
MUTING CONT.
(2.8V)
0V
47K
47K
0V
0V
(2.8V)
Q901
DTA114YUA106
MUTING CONT.
(2.8V)
0V
C605
4V10
C606
4V10
D901
MA142WKTX
47K
10K
(2.8V)
2.2V
2V
(0V)
R605
R606
47K
47K
D903
MA143TX
Q601,602
2SD1328TX
MUTING
Q601
0V
0.7V
(-0.2V)
(-0.2V)
0.7V
0V
Q602
1.1V
2.8V
R607
R609
3.3K
R608
1K
1K
Q904
2.5V
2SD1819ATX
SWITCHING
(REMOTE)
2.5V
C607
C608
680P
680P
ICP11
UNHH20600L
C609
0.1
C707
0.1
CN11
CN51
S
C
BATTERYCASE
2 R6/LR6(UM-3)
BATTERIES 3V
1kHz,0dB
R
L
G
JK11
DC IN
4.5V
2 RECHARGEABLE
BATTERIES 2.4V
2 R03/LR03(UM-4)
BATTERIES 3V
PLAY
1.1V
P-P
JK601
OUT( 3.5)
C702
47
R901
0.1
C901
820
3300P
R904
0
RJ904
R5511KC551
RJ902
0.1
L
R
G
S
G
K
0
S
PLAY
0.7V
P-P
Q701,702
0V
0V
2SD1328TX
MUTING
R70318R705
R711
10K
Q702
R704
18
2.5V
A
B
Q551
DTA143EUA106
POWER SUPPLY
S
D
R701
100K
C703
5.6K
R750
5.6K
R709
3.9K
IC701
NJU7082BVTE1
HEADPHONES AMP
1.5V 1.5V 1.5V
5 6 7 8
1.5V 1.5V 1.5V 2.5V
R702
100K
C704 1
C701
6.3V47
C750
5.6K
VR701-2
50K(C)
(VOLUME)
VR701-1
50K(C)
C751
5.6K
R751
AB
C
0.1
1
1234
1kHz,0dB
(VOL:5)
R710
12K
C706
4V220
2.4V
47K
47K
2.4V
Q703
XN1210TX
SWITCHING
C705
4V220
3.2V
330
R712
1.5
Q701
0V
0.7V
(-1.5V)
(-1.5V)
0.7V
0V
4.7K
4.7K
0.4V
3.2V
R706
1.5
R707
R708
4.7K
4.7K
C552
PLAY
1kHz,0dB
(VOL:5)
JK701
HEADPHONES
16 ( 3.5)
JK551
OPT OUT
0.6V
P-P
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