SCHEMATIC DIAGRAM-1
OPTICAL PICK-UP
NOTE:
The number which noted at the connectors on the schematic diagram as "SCHEMATICDIAGRAM-1"or"SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
CD SERVO CIRCUIT
A
:CD PLAYBACK SIGNAL LINE:POSITIVE VOLTAGELINE
H
A
B
5.6P
2.2P
789101112
B
LP
LDG
LPD
GND
1000P
Vcc
A
B
H
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
F
E
LD
LD.GND
GND
B
GND
A
VREF
LPD
GND
-
T
T+
F
-
F+
F
Vcc
GND
G
E
VREFANC
2 3 4 5 6
1
CDEFG
F
TRACKING
COIL
FOCUS
COIL
E
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
CN701
Q701
2SA1037AKTXR
LASER POWER
DRIVE
R701
4.7
0.1
3.3V
(2V)
1V
R750
5.6
C770
2.8V
(2.5V)
0.1
C713
A
B
C
D
E
ABCD
ABCDE FG
R742
10K
C714
6.3V100
C701
6.3V33
(3.3V) (0V)
LDON
GND
17 18 19 20 21 22 23 2524 26 27 28
1K
R739
OFTR
/RFDET
PLAY
0.4V
P-P
2ms. 0.1V/DIV.
EQBST
VREF
1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 0V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V
C749
4.7K
3900P
R702
C712
0.1
R738 6.8K
C711 0.1
R737 6.8K
VREF
BDO
TE IN
C710
470P
R705
R704
39K
1K
R743
OFT CONT
TE OUT
4.7K
C706
1
DCDET
FE IN
C742
0.047
C747
470P
R744
39K
R706
1K
C707
0.039
CEA
3TOUT
2ms. 0.1V/DIV.
FE OUT
GCTL
PLAY
C716
R708
(TP30)
0.1
C705
ARF
0.1V
P-P
FBAL
0
0
R707
6.3V100
TP29
RF
C702
0.47
(1.1V) (2.5V) (0.2V)
RF IN
CAGC
PLAY
0.5 s. 0.2V/DIV.
PDE
TBAL
EQSW
RF OUT
IC701
0.7V
AN22004A-NF
P-P
SERVOAMP
PDD
PDF
29 30 31 32
ABDCC
0.1
C703
C704
680P
Vcc
PDB
LD
PDC
0V2.8V3.3V1.8V1.8V0.5V1.4V1.2V1.4V1.7V3.3V0V0V3.3V0V
12345678910111213141516
LPD
PDA
E
D
C
B
A
M701
TRAVERSE
MOTOR
M702
SPINDLE
MOTOR
M
M
TP38
C736
TP37
TP35
C737
IJKLM
C751
0V
D4-
D1+
0.1
(0.4V)0V(0.4V)
0V
D4+
D1-
IC703
AN8739SBTE2
FOCUS COIL/
TRACKING COIL/
TRAVERSEMOTOR/
SPINDLE MOTOR DRIVE
NC
NC
TP15
C734
PGND2
PGND1
10V220
C735
PVcc2
PVcc1
7.5V
0.1
GND
GND
10
R736
BA
23 24 25 26 27 28
22
NC
Vcc
IN1
NC
6 5 4 3 2 1
7
5.6K
R723
IN4
VREF
PC2
NC
1.7V1.7V 1.7V1.7V3.3V
(0V)
100
R735
R725
R715
560
2.7K
1.7V1.7V1.7V7.5V7.5V0V
C715
0.22
RST IN
NC
C738
0.047
NC
/ RST
C752
0.01
R727
A
1.5K
R749
B
1.5K
R729
18K
R731 22K
C739
0.01
R728
18K
N
O
P
Q
H
IN3
IN2
BADC
C750
0.1
(0.4V)
(0.4V)
0V
15 16 17 18 19 20 21
D3+
D3-
D2-
D2+
D
0.1
C
B
0.1
A
14 13 12 11 10 9 8
0V 0V 0V0V
(0.7V)
AB DC
LD
Vcc
EQSW
IC701
AN22004A-NF
SERVOAMP
PDB
PDD
29 30 31 32
PDC
C
12345678910111213141516
0V2.8V3.3V1.8V1.8V0.5V1.4V1.2V1.4V1.7V3.3V0V0V3.3V0V
LPD
PDA
3.3V
0.1
C781
PRQOABCDK
(0.4V)0V(0.4V)0V(0.4V)0V(0.4V)0V(0.4V)
3.3V 0V
A3
A2
VDD
SS
V
A4
14 15 16 17 18 22 23 24 25 26
0V 0V 0V 0V 0V
(0.4V) (0.4V) (0.4V) (0.4V) (0.4V)0V(0.4V)
C733
0.1
0V
DV
DD2
1.7V
SPOUT
820
(0V)
(0V)
(3.3V)
C717
1.7V
3.3V
1.7V
1.7V
3.3V
1.7V
1.7V
1.7V
1.7V
1.4V
3.3V
1.4V
0.1
22
TRVP
23
TRVM
24
TRP
25
TRM
26
FOP
27
0V
FOM
28
IOV
29
TBAL
30
FBAL
31
FE
32
TE
33
RFENV
34
0V
OFT
35
NRFDET
36
0V
BDO
37
0V
LDON
38
ARF
39
1V
IREF
40
C744
0.015
C741 1000P
DD1
P
H
Q
O
N
E
K
M
L
J
I
F
D
C
E
B
G
A
R711 82K
C718
0.082
R709
100K
R712
A1
A5
A6
ABCDEFGHI JKLMNOPQR
(0.4V)
(0.4V)
(0.4V)
0V0V0V0V0V0V0V0V0V0V0V0V0V
A2
A3
DVSS2
PLAY
0.5 s. 0.2V/DIV.
PLAY
1kHz, 0dB
CC
AD PV
DSLF
RFSW
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
0V
1.4V
1.7V
1.7V
8 6
A0
A10A8
IC704
C3ABMB000027
16M DRAM
A7
19 21
(0.4V)
(0.4V)
(0.4V)
(0.4V)
(0.4V)
(0.4V)
(0.4V)
A8
A7
A6
A5
A4
A9A0A1
IC702
MN6627931BD
SERVO PROCESSOR /
DIGITALSIGNALPROCESSOR /
DIGITALFILTER& D/A CONVERTER
PLAY
0.7V
F=75Hz
PLLF
P-P
PLLFO
1.7V
2.2V
P-P
3.3V
DD2
AV
SS2
AV
OUTL
1.5V
R721
PLAY
T 13.3ms.
PLAY
T 13.3ms.
SS1
OUTR
AV
1.5V
3.3V0V3.3V
4.7
DD1
AV
3.3V 3.3V 0V 0V 3.3V
NCA9
NRAS
NOE
(0.4V)
(1.7V)
(1.7V)
3.3V
3.3V
D3
D2
A10
NCAS0
3.3V
0V
3V
0V
3V
0V
DD3
DVss3
FLAG
DV
TMOD2
0V0V0V
NWE
NCAS
3.3V 0V 0V
(1.7V)
(1.7V)
0V
3.3V
0V
D1
NWE
NRAS
EXT1
EXT0
EXT2
3.3V
(1.7V) (1.7V)
DQ1
DQ2
(1.7V) (1.7V)
3.3V
1234567891011121314151617181920
DD
D0
DRV
DV
DVss1
IN X1
OUT X2
NTEST
TXTCK
DQSY
PMCK
SPPOL
NRST
SBCK
SMCK
PWMSEL
BLKCK
MDATA
MCLK
DD2
IOV
TX
1.6V
MON
DD1
TXTD
STAT
MLD
6.3V220
MNLEJIHGF
DQ0
DQ3
C730
0.1
C731
8021
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
12345910111213
DD
V
SS
V
0V
0V
3.3V
2.9V
0V(3.3V)
3.3V
0V
2.9V
0V(0.3V)
2.9V(2.7V)
TP3
C748
0.1
C757
6.3V100
C758
0.1
C746
0.1
C782
0.1
R720
C721
12P
220
R714
1M
A
G
X701
(16.9MHz)
C722
12P
0.01
R728
18K
0.1
0.1
C729
C755
C753
470P
C743
0.1
S701
N
O
P
Q
H
(REST SW)
CN702
TP1
A
L701
7.5V
TP2
1
32 4 5 6 7 8 9 10 12 13
LRCK
IPFLAG
REST SW
CD DATA
BBCCDDEEFFG
10
R753
C780
0.1
STAT
/ RST
384fs
BCLK
B
To MAIN CIRCUIT(CN402) on SCHEMATICDIAGRAM-3/17-A~C
BLKCK
MLD
MDATA
0.1
C740
MCLK
R760
P.GND
100
JKLMI
H
3.3V
TP16
TX
+7.5V
0.1
C723
C724
DI LRCK
6.3V220
N
M
1K
R718
C726
1000P
50V1
C728
TP22
19 20 21 22 2311
+3.3V
LD SW
DI SCK
DI DATA
Rch OUT
H
JKL N I
D.GND
R717
C727
A.GND
1K
50V1
241817161514
C725
1000P
Lch OUT
TP24
SL-EH790(E) CD SERVO CIRCUIT DIAGRAM
121110987654321
SCHEMATIC DIAGRAM-2
H
CLAMP SW
E
CIRCUIT
S4
(CLAMP)
G
BOTTOM SW
F
CIRCUIT
S5
(BOTTOM)
F
D1
GP1S94
(POSITION
SENSOR)
3
2
1
4
3
2
1
AC
CaE
MAIN CIRCUIT
MOTOR CIRCUIT
D
IC1
TA7291P
MOTOR DRIVE
VREF Vcc VS
0.6V 7.8V 4.8V 4.8V 8V 8V 0.6V
W2
3
D
2
1
W1
A
4
B
3
C
2
1
D2
MTZJ4R7BTA
Q1
RVTDTC143EST
MOTOR DRIVE
5.9V
R1
1K
C1
16V100
0V
10987654321
C2
0.01
RM1
(LOADING
MOTOR)
M
PLUNGER
S2
(TRAYPOSITION 2 DET.)
S1
(TRAYPOSITION 1 DET.)
S3
(OPEN DET.)
CN1
ABCD
B
Q404
2SB621ARSTA
PLUNGER DRIVE
0V 10.4V
10.3V
D402
MA111TX
CN401
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
R457
R458
0V
Q405
UN521NTX
PLUNGER DRIVE
A
B
C
D
E
F
B
D
A
C
10K
1K
10.3V
:POSITIVE VOLTAGE LINE
0.01
C410
220
R459
OPERATION CIRCUIT
C
E
WB401
A
4.8V
100K
R601
0.01
C601
D606
SML79455C
()
D
150
R610
C
D605
(DISC5)
R609
R611
B
B
820
(0V)
4.8V 4.5V 0V
14
DD
STOP
5PLAY V
4PLAY
0V 0V 0V 0V 4.5V
D604
(DISC4)
220
220
R608
R6121KR613
C602
D603
R607
50V4.7
(4.5V)
PLAY
3PLAY
(DISC3)
220
1.2K
D617
MA111TX
4.8V 4.8V 0V 0V
/CLK
/STB
2PLAY
Vss
D601
D602
(DISC1)
(DISC2)
220
220
R606
R605
R614
R615
1.5K
1.8K
8910111213
CLK
1PLAY
7654321
LNJ301MPUJAD
R616
2.2K
DATA
IC601
BU2050F-E2
LED DRIVE
D601-605
R617
3.3K
C603
100P
C604
R618
4.7K
100P
C605
100P
R619
6.8K
B
R604 100
R603 100
R602 100
WA401
1
1
2
2
3
3
4
4
5
5
6
6
7
7
G
H
L
I
J
K
S606
S607
S608
S609
S602
S603
S604
S601
A
A
S611
( OPEN/
(DISC5)
CLOSE)
R620
820
()
S612
(DISC4)
(DIRECT OPEN)
R6211KR622
(DISC3)
)
/
S613
(
1.2K
S605
(DISC2)
R623
1.5K
S614()S615
(DISC1)
()
R624
1.8K
S616
(DISC1)
)
/
(
R625
2.2K
S617
(DISC2)
(RANDOM)
R626
3.3K
S618
(DISC3)
(REPEAT)
R627
4.7K
(DISC4)
S619
(EDIT)
S610
(DISC5)
Q404
2SB621ARSTA
PLUNGER DRIVE
0V 10.4V
10.3V
10K
R457
1K
R458
0V
10.3V
:POSITIVE VOLTAGE LINE
0.01
C410
10.4V
Q451
2SD1819ATX
R508
4.7K
INTERFACE
0.2V
1V
R507
4.7K
A
8V
R506
1K
100P
C502
A
B
C
D
Q405
UN521NTX
PLUNGER DRIVE
A
B
C
D
E
F
B
D
A
C
G
H
L
I
J
K
O
L
G
H
D
C
E
F
A
B
K
J
I
A
B
C
K
M
N
D502
MA111TX
R504
100
R441
4.7K
C
B
47K
R438
D503
MA111TX
R503
100
R505
10K
C401
50V3.3
D401
MA111TX
R437 4.7K
R439
10K
R401
100K
Q453
2SD1819ATX
INTERFACE
R513
4.7K
R434 4.7K
R435 4.7K
R436 4.7K
0V
0V
0V
4.7K
R512
R433 4.7K
R404 100
R405 100
R406 100
R407 100
R408 100
R409 100
R410 100
R411 100
R412 100
R413 4.7K
R414 4.7K
R415 100
T 13.3ms.
0V
Q402
DTC143EUA106
INTERFACE
4.8V
Q401
UN5214TX
RESET
R403
100
PLAY
R502
D505
MA111TX
0.5V
47K
R511
4.8V
C411
470P
C412
470P
0V
CHG SW1
1
0V
CHG SW2
2
4.8V
OPEN SW3
3
4.8V
CLAMP SW4
4
4.8V
BOTTOM SW5
5
0V
POSITION
6
7
0V
LDATA
8
0V
LCLK
9
4.8V
LSTB
10
11
3.3V
CS
12
1.2V
CLK
13
0.4V
DATA O
14
1V
DATA I
15
3.3V
REQ
16
4.8V
0V
1K
0.01
C501
D504
MA111TX
10K
R510
10K
R431
R461 4.7K
R428 1K
4.8V
4.8V
4.8V
4.8V0V4.8V
KEY2
KEY1
CDRST
DACSEL
CDRSTSW
PLAY
T 13.3ms.
PLAY
4.8V
0V
F=75Hz
F=6MHz
BLKCK
Vss
RST
SYNCNCXIN
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
0V
0V
4.8V
2.1V
2.1V
680
R416
2.2K
R462
1
0.01
C402
D501
C301
MA111TX
0.1
R501
1K
R509
R432
R430
22K
10K
1K
1V
0.5V
Q452
2SD1819ATX
INTERFACE
1K
R423
1K
R424
R425 0
(4.4V)
(0.3V)
4.8V
4.8V0V4.8V0V4.8V
Vcc
AVss
VREF
CM LD
CM CLK
CM DATA
PLAY
4.8V
0V
T 13.3ms.
IC451
C2BBGF000433
SYSTEM CONTROL
1.7V
P-P
F=6MHz
X OUT
Vss
CDP CONT
CHG HALF
CHG PLGA
0V
0V
2.2V
100
R417
R418 100
ABCD
3
2
X401
(6MHz)
R514
R460
(4.8V)
4.8V
R419 100
47K
100K
TEST
CCD STAT
CHG CW
CHG CCWNCSEL
4.8V
R420 100
4.8V
0V
1.8V
P-P
C404
R440
0.1
10K
49505152535455565758596061626364
MP3 RST
NC
PLLSEL
EMPHA
VMDDE
VMUTE
EECLK
C403
6.3V100
R429
4.7K
R427 4.7K
R426 4.7K
Q403
DTC143EUA106
INTERFACE
(4.8V)
48
0V
47
HSEL
46
HDO
45
HDI
44
HCLK
43
VRST
42
HINT
41
HRDY
40
39
38
37
NC
36
0V
EEDA
35
0V
34
0V
EECS
33
(3.3V)0V
0V
R421
47K
E
F
G
H
I
J
L
R307
1K
100K
R305
R3021KR304
22K
R303
R301
22K
1K
C302
100P
R306
4.7K
SL-EH790(E) MOTOR, CLAMP SW,BOTTOM SW,OPERATION, MAIN CIRCUIT DIAGRAM
121110987654321
SCHEMATIC DIAGRAM-3
:POSITIVE VOLTAGE LINE :CD PLAYBACKSIGNAL LINE
A
B
E
Q4
2SB621ARSTA
REGULATOR
C11
1000P
Q5
2SD1819ATX
STABILIZER
D12 D13 D14
D12-14
MA111TX
R10
470
8V4.8V
7.4V
7.4V
2.8V
MA111TX
D10
3.3V
C12
10.4V
8V
0.01
R11
2.2K
C10
IC2
UPC29M33HB
REGULATOR
3 2 1
6.3V220
C9
INGNDOUT
8V3.3V
10V220
MA111TX
D7
RL1N4003N02
Q7
2SB1548PQAU
REGULATOR
10.4V
8V
9.6V
C3
1000P
Q6
2SD1819ATX
STABILIZER
9.6V
7.9V
7.3V
D6
R2
470
+10V
C7
C6
D5
MA111TX
O
M
K
C
D
16V470
R3
22K
R4
100
D3
0.01
R5
C5
MA8082MTX
C152
1000P
1K
16V47
R156
47K
R158
220
R157
220
JK401
SYNC
20
CD REQ
19
CT.GND
18
CS
17
+B(10V)
16
D.GND
15
SCLK
14
DATA
13
NC
12
V.GND
11
NC
10
NC
9
NC
8
NC
7
NC
6
CD Rch OUT
5
A.GND
4
CD Lch OUT
3
NC
2
NC
1
ToSOUND PROCESSOR
(SE-EH790) &
CASSETTE DECK
(RS-DV290)
C406
6.3V220
C407
0.01
C405
10V220
H
I
J
N
L
F
G
CT
3.3V
R442 4.7K
10K
R452
R453
10K
R21
C151
47K
1000P
R155
A.GNDD.GND
R22
10
C409
10
1000P
10K
R454
R455
10K
R456
1K
10
R31
R451
R450 1K
R449 1K
R448
R447 1K
R446 1K
R445 1K
R444 1K
R443 1K
C408
1K
1K
0.01
CN402
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
E1
Lch IN
A.GND
Rch IN
+3.3V
LD SW
DI SCK
DI DATA
DI LRCK
D.GND
+7.5V
TX
P.GND
MCLK
MDATA
MLD
BLKCK
STAT
/ RST
384fs
BCLK
CD DATA
LRCK
IPFLAG
REST SW
A
To CD SERVO CIRCUIT
(CN702) on
SCHEMATIC
DIAGRAM-1/8~12-A
SL-EH790(E) MAIN CIRCUIT DIAGRAM
13 14 15 16 17 18 19 20 21 22 23 24
H
G
F
E
D
C
B
A
SCHEMATIC DIAGRAM-1
OPTICAL PICK-UP
H
A
B
5.6P
F
B
LP
Vcc
GND
G
F
E
D
C
B
A
1 2 3 4 5 6
CDEFG
TRACKING
M701
TRAVERSE
MOTOR
M702
SPINDLE
MOTOR
E
COIL
FOCUS
COIL
VREFANC
M
M
2.2P
LPD
H
TP38
0.1
C736
TP37
TP35
0.1
C737
789101112
LDG
GND
A
B
C
D
E
F
G
H
1000P
D
C
B
A
NOTE:
The number which noted at the connectors on the schematic diagram as "SCHEMATICDIAGRAM-1" or "SCHEMATIC DIAGRAM-2"
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
CD SERVO CIRCUIT
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
A
Q701
2SA1037AKTXR
LASER POWER
DRIVE
3.3V
2.8V
(2.5V)
1V
(2V)
5.6
R750
CN701
Vcc
1
F
2
E
3
LD
4
LD.GND
5
GND
6
B
7
GND
8
A
9
VREF
10
LPD
11
GND
12
-
T
13
T+
14
F
Â15
F+
16
ABCD
BADC
(0.4V)
D3+
D2-
(0.7V)
C751
0V
D4-
D1+
0.1
C750
0.1
(0.4V)
0V
15 16 17 18 19 20 21
D3-
D2+
14 13 12 11 10 9 8
0V 0V 0V0V
AB DC
R701
4.7
0.1
C770
0.1
C714
C713
A
B
C
D
E
IC703
AN8739SBTE2
FOCUS COIL/
TRACKING COIL/
TRAVERSEMOTOR/
SPINDLE MOTOR DRIVE
(0.4V)0V(0.4V)
0V
NC
D4+
NC
D1-
C734
ABCDE FG
R742
10K
C701
6.3V33
6.3V100
R739
TP15
(3.3V) (0V)
LDON
GND
17 18 19 20 21 22 23 2524 26 27 28
1K
PVcc2
PGND2
PVcc1
PGND1
7.5V
0.1
C735
10V220
OFTR
/RFDET
PLAY
0.4V
P-P
2ms. 0.1V/DIV.
EQBST
VREF
1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 0V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V 1.7V
C749
4.7K
3900P
R702
C712
0.1
R738 6.8K
C711 0.1
R737 6.8K
VREF
23 24 25 26 27 28
22
NC
GND
GND
Vcc
IN1
NC
6 5 4 3 2 1
7
5.6K
R723
4.7K
R743
C742
0.047
C707
1
C706
BDO
OFT CONT
TE IN
TE OUT
C710
470P
39K
R705
1K
R704
IJKLM
10
R736
VREF
NC
1.7V1.7V 1.7V1.7V3.3V
R735
DCDET
FE IN
C747
470P
R744
39K
1K
R706
BA
1.7V1.7V1.7V7.5V7.5V0V
IN3
IN4
IN2
PC2
(0V)
560
R725
100
2.7K
R715
3TOUT
2ms. 0.1V/DIV.
FE OUT
C715
0.22
0.039
RST IN
NC
C738
CEA
PLAY
GCTL
0.047
:CD PLAYBACK SIGNAL LINE:POSITIVE VOLTAGELINE
0.1
C703
C704
680P
C716
R708
0
NC
/ RST
ARF
FBAL
C752
(TP30)
0.1
C705
0.1V
P-P
0
R707
0.01
6.3V100
TP29
RF
C702
0.47
(1.1V) (2.5V) (0.2V)
RF IN
CAGC
PLAY
0.5 s. 0.2V/DIV.
PDE
TBAL
A
1.5K
R729
R727
R749
18K
EQSW
RF OUT
IC701
0.7V
AN22004A-NF
P-P
SERVOAMP
PDD
PDF
29 30 31 32
ABDCC
B
1.5K
0.01
C739
R731 22K
Vcc
PDB
R728
18K
LD
PDC
3.3V
0.1
C781
PRQOABCDK
(0.4V)0V(0.4V)0V(0.4V)0V(0.4V)0V(0.4V)
3.3V 0V
A3
A2
VDD
SS
A4
V
14 15 16 17 18 22 23 24 25 26
0V 0V 0V 0V 0V
0V2.8V3.3V1.8V1.8V0.5V1.4V1.2V1.4V1.7V3.3V0V0V3.3V0V
12345678910111213141516
LPD
C733
S701
(REST SW)
CN702
0.1
R711 82K
C718
0.082
TP1
1
REST SW
1.7V
1.7V
3.3V
(0V)
1.7V
1.7V
3.3V
1.7V
1.7V
1.7V
1.7V
1.4V
3.3V
(0V)
(3.3V)
1.4V
0.1
C717
100K
R709
R712
820
A
L701
TP2
32 4 5 6 7 8 9 10 12 13
LRCK
IPFLAG
PDA
P
H
Q
O
N
C753
470P
C743
0.1
K
M
L
J
I
F
D
C
E
B
G
A
E
N
O
P
Q
H
(0.4V) (0.4V) (0.4V) (0.4V) (0.4V)0V(0.4V)
0V
DVDD2
SPOUT
22
TRVP
23
TRVM
24
TRP
25
TRM
26
FOP
27
0V
FOM
28
IOVDD1
29
TBAL
30
FBAL
31
FE
32
TE
33
RFENV
34
0V
OFT
35
NRFDET
36
0V
BDO
37
0V
LDON
38
ARF
39
1V
IREF
40
C744
0.015
C741 1000P
7.5V
C780
0.1
384fs
BCLK
CD DATA
A1
A5
A6
ABCDEFGHI JKLMNOPQR
(0.4V)
(0.4V)
(0.4V)
0V0V0V0V0V0V0V0V0V0V0V0V0V
A2
A3
DVSS2
PLAY
0.5 s. 0.2V/DIV.
PLAY
1kHz, 0dB
CC
AD PV
DSLF
RFSW
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60
0V
1.4V
1.7V
1.7V
0.1
C729
BBCCDDEEFFG
10
R753
STAT
/ RST
B
To MAIN CIRCUIT(CN402) on SCHEMATICDIAGRAM-3/17-A~C
8 6
A0
A10A8
IC704
C3ABMB000027
16M DRAM
A7
19 21
(0.4V)
(0.4V)
(0.4V)
(0.4V)
(0.4V)
(0.4V)
(0.4V)
A8
A7
A6
A5
A4
A9
A0
A1
IC702
MN6627931BD
SERVO PROCESSOR /
DIGITALSIGNALPROCESSOR /
DIGITALFILTER& D/A CONVERTER
PLAY
0.7V
F=75Hz
PLLF
P-P
PLLFO
1.7V
0.1
C755
BLKCK
2.2V
P-P
3.3V
DD2
AV
SS2
AV
OUTL
1.5V
R721
MLD
PLAY
T 13.3ms.
PLAY
T 13.3ms.
SS1
OUTR
AV
1.5V
3.3V0V3.3V
4.7
MDATA
DD1
AV
MCLK
3.3V 3.3V 0V 0V 3.3V
NCA9
NRAS
NOE
(0.4V)
(1.7V)
(1.7V)
3.3V
3.3V
D3
D2
A10
NCAS0
3.3V
0V
3V
0V
3V
0V
DD3
DVss3
FLAG
DV
TMOD2
0V0V0V
0.1
C740
H
100
R760
TX
P.GND
NWE
NCAS
3.3V 0V 0V
(1.7V)
(1.7V)
0V
3.3V
0V
D1
NWE
NRAS
EXT1
EXT0
EXT2
3.3V
JKLMI
3.3V
TP16
+7.5V
(1.7V) (1.7V)
12345910111213
DD
V
DQ0
DQ1
MON
DV
DVss1
IN X1
TXTD
DQSY
PMCK
NRST
STAT
SBCK
SMCK
MLD
MCLK
C724
DI LRCK
DQ3
MNLEJIHGF
DD1
C730
0.1
C731
6.3V220
0.1
8021
79
78
77
76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
DI DATA
SS
V
0V
0V
3.3V
2.9V
0V(3.3V)
3.3V
0V
2.9V
0V(0.3V)
2.9V(2.7V)
C723
6.3V220
19 20 21 22 2311
DI SCK
TP3
LD SW
C748
N
0.1
R718
C728
+3.3V
C757
6.3V100
C758
0.1
C746
0.1
C782
0.1
M
1K
C726
1000P
50V1
Rch OUT
DQ2
(1.7V) (1.7V)
3.3V
1234567891011121314151617181920
DD
D0
DRV
OUT X2
NTEST
TXTCK
SPPOL
PWMSEL
BLKCK
MDATA
DD2
IOV
TX
1.6V
H
JKL N I
D.GND
TP22
1K
R717
50V1
C727
A.GND
R720
241817161514
1M
A
G
C725
1000P
Lch OUT
TP24
220
R714
X701
(16.9MHz)
C721
12P
C722
12P
SL-EH790(E) CD SERVO CIRCUIT DIAGRAM
121110987654321
SCHEMATIC DIAGRAM-2
H
CLAMP SW
E
CIRCUIT
S4
(CLAMP)
G
BOTTOM SW
F
CIRCUIT
S5
(BOTTOM)
F
D1
GP1S94
(POSITION
SENSOR)
OPERATION CIRCUIT
C
E
D
C
B
A
AC
CaE
B
A
R610
S611
150
3
2
1
4
3
2
1
SML79455C
S601
(DISC5)
CLOSE)
( OPEN/
W2
W1
D606
()
MOTOR CIRCUIT
D
IC1
TA7291P
MOTOR DRIVE
0.6V 7.8V 4.8V 4.8V 8V 8V 0.6V
3
D
2
1
A
4
B
3
C
2
1
0.01
C601
(0V)
4.8V 4.5V 0V
14
DD
STOP
5PLAY V
4PLAY
0V 0V 0V 0V 4.5V
D603
D604
D605
(DISC4)
(DISC5)
220
220
R608
R609
R611
R6121KR613
820
S602
S603
(DISC4)
(DISC3)
(DIRECT OPEN)
R620
R6211KR622
820
S612
()
S613
)
/
(
5.9V
100K
R601
D617
C602
50V4.7
(4.5V)
PLAY
3PLAY
(DISC3)
220
R607
1.2K
S604
(DISC2)
1.2K
S614()S615
MTZJ4R7BTA
Q1
RVTDTC143EST
MOTOR DRIVE
MA111TX
/CLK
Vss
R614
1.5K
R623
1.5K
VREF Vcc VS
D2
0V
4.8V 4.8V 0V 0V
/STB
2PLAY
D601
D602
(DISC2)
220
R606
R615
1.8K
S605
(DISC1)
R624
1.8K
()
(DISC1)
220
R605
S606
(DISC1)
)
/
S616
(
8910111213
CLK
1PLAY
7654321
LNJ301MPUJAD
R616
2.2K
R625
2.2K
D601-605
S607
S617
R1
1K
C1
DATA
IC601
BU2050F-E2
LED DRIVE
(DISC2)
(RANDOM)
(LOADING
MOTOR)
16V100
(TRAYPOSITION 2 DET.)
(TRAYPOSITION 1 DET.)
4.8V
100P
C604
C603
R617
3.3K
S608
(DISC3)
R626
R627
3.3K
4.7K
S618
(REPEAT)
10987654321
C2
0.01
RM1
M
PLUNGER
(OPEN DET.)
100P
R618
4.7K
S609
(DISC4)
S619
(EDIT)
S2
S1
S3
C605
100P
R619
6.8K
R604 100
R603 100
R602 100
S610
(DISC5)
ABCD
WB401
A
B
CN1
MAIN CIRCUIT
B
Q404
2SB621ARSTA
PLUNGER DRIVE
0V 10.4V
10.3V
D402
MA111TX
CN401
1
1
2
2
3
3
4
4
5
5
6
6
7
7
8
8
9
9
10
10
11
11
12
12
13
13
14
14
220
R459
WA401
1
1
2
2
3
3
4
4
5
5
6
6
7
7
R457
R458
0V
Q405
UN521NTX
PLUNGER DRIVE
A
B
C
D
E
F
B
D
A
C
G
H
L
I
J
K
10K
1K
10.3V
:POSITIVE VOLTAGE LINE
0.01
C410
L
G
H
D
C
E
F
A
B
K
J
I
A
B
C
D502
MA111TX
K
R504
100
M
R441
4.7K
N
O
A
C
B
47K
R438
D503
MA111TX
R503
100
R505
10K
C401
50V3.3
D401
MA111TX
R437 4.7K
R439
10K
R401
100K
R507
4.7K
Q453
2SD1819ATX
INTERFACE
R513
4.7K
R434 4.7K
R435 4.7K
R436 4.7K
0V
0V
Q451
2SD1819ATX
INTERFACE
0.2V
4.7K
R508
0V
4.7K
R512
R433 4.7K
R404 100
R405 100
R406 100
R407 100
R408 100
R409 100
R410 100
R411 100
R412 100
R413 4.7K
R414 4.7K
R415 100
T 13.3ms.
0V
Q402
DTC143EUA106
INTERFACE
4.8V
Q401
UN5214TX
RESET
R403
PLAY
R502
100
10.4V
8V
R506
1V
0.5V
47K
R511
4.8V
0V
0V
4.8V
4.8V
4.8V
0V
0V
0V
4.8V
3.3V
1.2V
0.4V
1V
3.3V
4.8V
0V
1K
0.01
C501
1K
D505
MA111TX
C411
470P
C412
470P
CHG SW1
1
CHG SW2
2
OPEN SW3
3
CLAMP SW4
4
BOTTOM SW5
5
POSITION
6
7
LDATA
8
LCLK
9
LSTB
10
11
CS
12
CLK
13
DATA O
14
DATA I
15
REQ
16
D504
MA111TX
22K
R509
10K
R432
1K
R430
4.8V
4.8V
KEY2
CDRST
PLAY
F=75Hz
BLKCK
Vss
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
0V
0V
2.2K
R462
C402
R501
1K
10K
R431
R428 1K
4.8V
4.8V0V4.8V
KEY1
CDRSTSW
PLAY
T 13.3ms.
0V
F=6MHz
RST
SYNCNCXIN
4.8V
2.1V
0.01
D501
MA111TX
0.5V
10K
Q452
R510
2SD1819ATX
INTERFACE
R461 4.7K
AVss
VREF
DACSEL
4.8V
0V
4.8V
IC451
C2BBGF000433
SYSTEM CONTROL
1.7V
P-P
X OUT
2.2V
2.1V
680
R416
1
2
X401
(6MHz)
C301
0.1
1V
1K
R423
1K
R424
R425 0
(4.4V)
(0.3V)
4.8V
4.8V0V4.8V0V4.8V
Vcc
CM CLK
CM DATA
T 13.3ms.
Vss
CDP CONT
CHG HALF
0V
0V
100
R417
R418 100
ABCD
3
100P
C502
47K
R514
100K
R460
(4.8V)
CM LD
CCD STAT
PLAY
F=6MHz
CHG PLGA
CHG CW
4.8V
R419 100
TEST
4.8V
0V
1.8V
P-P
CHG CCWNCSEL
4.8V
R420 100
C404
R440
0.1
10K
49505152535455565758596061626364
MP3 RST
NC
PLLSEL
EMPHA
VMDDE
VMUTE
EECLK
C403
6.3V100
R429
4.7K
R427 4.7K
R426 4.7K
Q403
DTC143EUA106
INTERFACE
(4.8V)
48
0V
47
HSEL
46
HDO
45
HDI
44
HCLK
43
VRST
42
HINT
41
HRDY
40
39
38
37
NC
36
0V
EEDA
35
0V
34
0V
EECS
33
(3.3V)0V
0V
R421
47K
A
B
C
D
E
F
G
H
I
J
L
R307
1K
100K
R305
R3021KR304
22K
R303
R301
22K
1K
C302
100P
R306
4.7K
SL-EH790(E) MOTOR, CLAMP SW,BOTTOM SW,OPERATION, MAIN CIRCUIT DIAGRAM
121110987654321
SCHEMATIC DIAGRAM-3
:POSITIVE VOLTAGE LINE :CD PLAYBACKSIGNAL LINE
A
B
E
Q4
2SB621ARSTA
REGULATOR
C11
1000P
Q5
2SD1819ATX
STABILIZER
D12 D13 D14
D12-14
MA111TX
R10
470
8V4.8V
7.4V
7.4V
2.8V
MA111TX
D10
3.3V
C12
10.4V
8V
0.01
R11
2.2K
C10
IC2
UPC29M33HB
REGULATOR
3 2 1
6.3V220
C9
INGNDOUT
8V3.3V
10V220
MA111TX
D7
RL1N4003N02
Q7
2SB1548PQAU
REGULATOR
10.4V
8V
9.6V
C3
1000P
Q6
2SD1819ATX
STABILIZER
9.6V
7.9V
7.3V
D6
R2
470
C6
16V470
R3
22K
R4
100
+10V
C7
0.01
1K
R5
H
G
C5
D3
16V47
MA8082MTX
D5
MA111TX
JK401
SYNC
O
M
K
C
D
R158
220
C152
47K
1000P
R156
R157
220
20
CD REQ
19
CT.GND
18
CS
17
+B(10V)
16
D.GND
15
SCLK
14
DATA
13
NC
12
V.GND
11
NC
10
NC
9
NC
8
NC
7
NC
6
CD Rch OUT
5
A.GND
4
CD Lch OUT
3
NC
2
NC
1
ToSOUND PROCESSOR
(SE-EH790) &
CASSETTE DECK
(RS-DV290)
F
E
C406
6.3V220
C407
0.01
C405
10V220
H
I
J
N
L
F
G
CT
3.3V
R442 4.7K
10K
R452
R453
10K
R21
C151
47K
1000P
R155
A.GNDD.GND
R22
10
C409
10
1000P
10K
R454
R455
10K
R456
1K
10
R31
R451
R450 1K
R449 1K
R448
R447 1K
R446 1K
R445 1K
R444 1K
R443 1K
C408
1K
1K
0.01
CN402
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
E1
Lch IN
A.GND
Rch IN
+3.3V
LD SW
DI SCK
DI DATA
DI LRCK
D.GND
+7.5V
TX
P.GND
MCLK
MDATA
MLD
BLKCK
STAT
/ RST
384fs
BCLK
CD DATA
LRCK
IPFLAG
REST SW
A
To CD SERVO CIRCUIT
(CN702) on
SCHEMATIC
DIAGRAM-1/8~12-A
D
C
B
A
SL-EH790(E) MAIN CIRCUIT DIAGRAM
13 14 15 16 17 18 19 20 21 22 23 24
Note: This printed circuit board diagram may be modified at any time with the development of new technology.
H
15
R702
R704
5
R742
C710
R706
23
6
20
C707
C747
IC703
(TP30)
TP29
10
IC701
25
R708
C713
RJ706
R736
RF
R744
R738
5
R737
C711
R707
16
CD SERVO P.C.B.(SIDE:B)
A
C770
R701
RJ705
C706
C705
C701
C781
13
6
8
1
C702
1
32
30
IC704
RJ722
C712
12
14
20
21
8
10
10
15
C714
CN701
1
2
3
4
5
6
7
8
11
13
15
14
9
R750
Q701
C750
C734
B
C
C751
R735
E
R727
C735
VREF
C715
C739
C752
R728
C738
R725
R729
R715
R731
R749
R723
14
19
21
26
R760
C780
C782
L701
CD SERVO P.C.B.(SIDE:A)
A
G
F
RJ733
RJ712
C753
RJ716
E
D
C
TP37
TP24
TP22
CN702
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
(TRAVERSE MOTOR)
TP16
C743
R721
M701
M
C730
C724
C723
TP1
C731
C725
TP2
R753
TP3
R717
C726
C728
C740
C741
C718
C744
R712
C727
R718
60
C755
45
50
55
C757
C758
RJ717
RJ718
40
41
35
IC702
61
65
X701
70
C722
C721
R720
75
R714
C746
80
C748
10
5
1
(SPINDLE MOTOR)
30
15
(REST SW)
25
S701
M702
R711
C703
C717
21
20
C733
R739
M
RJ732
TP15
RJ731
C736
TP38
RJ726
RJ727
C737
RJ725
RJ728
RJ724
RJ729
TP35
RJ723
RJ730
R709
RJ715
C729
C704
C716
C742
28
1
R743
RJ707
RJ708
C749
16
17
R705
25
B
(REPX0361A)
A
SL-EH790(E) CD SERVO P.C.B.
123456789101112
13
MAIN P.C.B.
B
A.GND
D.GND CT
H
G
F
E
Q402
B
C
R444
E
R441
123456891011121314151619
7
R445
CN402
R450
R449
17 212223
R451
2018
24
R
R443
448
R447
R446
R452
R453
J
C408
J
C407
J
JJJ
J
R
424
R425
R426
C406
R
421
R442
C403
J
R306
C301
C302
R305
R307
R302
R301
40
45
48
R304
R303
J
33
35
IC451
49
50
55
C404
60
R428
64
R431
432
R
R429
R430
C412
C411
J
C409
R455
R454
J
J
J
R
427
C405
J
Q403
R423
J
R456
E
C
B
R
460
R440
J
R461
R439
C401
J
J
D401
E
C
B
R
401
C402
R501
R
415
R
414
R413
R412
R411
R410
J
J
J
J
418
R420
R
R417
419
R
Q401
X401
25
R404
10
R407
R416
20
R406
17
15
R409
R403
16
123
D501
R408
R462
32
30
5
1
R405
J
Q405
B
E
C501
J
R438
R437
R436
R435
J
J
J
C
R458
R457
ECB
Q404
J
J
R434
R433
J
J
D7
D402
JJJ
J
C410
WA401
1
2
3
4
5
6
7
CN401
14
111213
J
J
J
J
68910
R505
JJJ
12345
R502
R504
R513
R507
J
7
J
J
J
508
R
R459
R514
R512
Q453
B
E
B
E
Q451
R
Q452
C
C
C
509
E
B
D504
D505
R511
R506
C502
R510
J
J
J
J
J
J
503
D502
D503
R
C3
JJJ
ECB
D12
C
R3
Q6
Q4
D13
E
B
C10
Q5
D14
E
C
D5
J
D10
C12
R10
B
R4
D3
C5
C11
D6
R2
J
J
BCE
Q7
IC2
123
R11
R
21
C9
R5
J
J
J
C7
C6
J
J
+10V
E1
R31
JJJ
R
22
C152
R156
C151
R155
158
R157
R
JK401
1
3
5
7
9
11
13
15
17
19
(REP3468A-M)
2
4
6
8
10
12
14
16
18
20
TO SOUND PROCESSOR
& CASSETTE DECK
OPERATION P.C.B.
C
D
R609
(DISC4)
C
B
A
(REP3468A-M)
R607
R606
R605
D601
(DISC1)
R608
D603
(DISC3)
D602
(DISC2)
S606(DISC1)
R616
D605
(DISC5)
S609(DISC4)
D604
S608(DISC3)
R618
S607(DISC2)
R617
R619
S610
(DISC5)
S617
(RANDOM)
R626
J
J
R627
J
S618
(REPEAT)
S612
( )
R623
R622
J
R621
( / )
J
J
WB401
S614
( )
S613
D606
( )
R610
1234567
S615
( )
R624
S616
S619
(EDIT)
J
1
5
7
IC601
C601
14
J
10
8
R601
C602
D617
J
C603
R603
C604
R602
C605
R604
J
S605
(DISC1)
R615
J
R614
S604
(DISC2)
R613
S603
(DISC3)
DIRECT OPEN
S602
(DISC4)
R612
R611
S601
(DISC5)
S611
( OPEN/ CLOSE)
( / )
J
R625
R620
J
SL-EH790(E) MAIN, OPERATION P.C.B.
123456789101112
13
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