Kenwood DP-SG7 User manual

COMPACT DISC PLAYER
DP-SG7/SG7G
SERVICE MANUAL
© 1999-7/B51-5542-00 (K/K) 2299
70%
60
repeat 7
¢4
1


timespace
compact disc player
D.R.I.V.E.with 24bit D/A converter
on/standby
24bit Fine D.R.I.V.E.
'
603616617
651 606 604 650
OPTICAL
SYSTEM
CONTROL
DIGITAL OUT
PLAY OUT
RL
AC power cord *
(E30-)
Oscillating module
(W02-1114-05) Phono jack (E63-0122-05)
Metallic cabinet
(A01-3313-01) Power cord bushing
(J42-0083-05)
Rectangular receptacle
(E08-0312-05)
Illustration is DP-SG7.
* Refer to parts list on page 15.
In compliance with Federal Regulations, following are repro-
ductions of labels on, or inside the product relating to laser
product safety.
KENWOOD-Crop. certifies this equipment conforms to
DHHS Regulations No. 21 DFR 1040. 10, Chapter 1, Sub-
chapter J.
DANGER : Laser radiation when open and interlock
defeated.
AVOID DIRECT EXPOSURE TO BEAM
Refer to DP-SE7 service manual (B51-5371-00),
if require the circuit description.
Indicator
(B12-0318-04)
Panel
(A60-1671-03)
Panel
(A29-1058-03)
Knob (POWER)
(K29-6741-04) Front glass (B10-2372-03) Knob (K29-7571-03)
SUB panel
(A22-1778-31)

DP-SG7/SG7G
2
CONTENTS / CAUTIONS
CONTENTS / CAUTIONS.......................................... 2
DISASSEMBLY FOR REPAIR....................................3
ADJUSTMENT............................................................4
PC BOARD ................................................................ 5
SCHEMATIC DIAGRAM............................................ 7
EXPLODED VIEW ....................................................13
PARTS LIST..............................................................15
SPECIFICATIONS ......................................Back cover
Contents
Operation to reset
The microcomputer may fall into malfunction (impos-
sibility to operate, erroneous display, etc.) when the
power cord is unplugged while power is ON or due
to an external factor. In this case, execute the follow-
ing procedure to reset the microcomputer and return
it to normal condition.
DP-SG7
Pull the power plug from the receptacle, and then
plug it in again.
÷ Please note that resetting the microcomputer clears
the contents stored in it returns it to condition when it
left the factory.
Cautions

DP-SG7/SG7G
3
DISASSEMBLY FOR REPAIR
How to open tray if not comes out.
1. Insert screwdriver to hole on bottom plate and turn screw
clockwisely about 100° (1).
2. Pull tray out by hand if tray comes out (2).

DP-SG7/SG7G
4
ADJUSTMENT
FIG.
VC
CN3
L.P.F. +
+
L.P.F.
VTVM
VTVM
1
2
3
4
5
6
7
1.2 kHz
50 mVrms
RF
FE1
FE2
VC
TE2
TE1
S.S
+
_
(a)
No. ITEM INPUT
SETTINGS OUTPUT SETTINGS ALIGNMENT POINTS ALIGN FOR
PLAYER
SETTINGS
1 LASER POWER −Apply the sensor section of optical power meter
on the pickup lens. −
On the power from
0.08 to 0.15 mW,
when the diffraction
grating is correctly
aligned with the RF
level of 0.6 Vp-p or
more.
Press the
PLAY/PAUSE key,
then confirm that the
LED is "03".
ALIGNMENT POINTS
Pickup
3
FOCUS ERROR
BIAS Test disc Type 4
Connect an oscilloscope
as follows.
CH1 : RF (CN3 pin 1)
CH2 : TE (CN3 pin 6)
FE BIAS
VR2 Optimum eye pattern
Press the
PLAY /PAUSE key,
then confirm that the
LED is "05".
Note:
Type 4 disc : SONY YEDS-18 Test Disc or equivalent.(KTD-0✽)
LPF: Around 47 kΩ+ 390 pF or so.
Step 1~4 are in Test Mode.
0.08 0.15 mW
Optical power meter
2
TRACKING ERROR
BALANCE Test disc Type 4
Connect an oscilloscope
as follows.
CH1 : RF (CN3 pin 1)
CH2 : TE (CN3 pin 6)
TE BALANCE
VR1 Symmetry between
upper and lower pat-
terns
Press the
PLAY/PAUSE key,
then confirm that the
LED is "03".
(e)4 TRACKING GAIN
Test disc
Type 4
Apply signal of
1.2 kHz,
50mVrms to
CN3 pin 5-6.
Connect a LPF to CN3
pin 5-6 to which you
connect an oscilloscope
or AC voltmeters.
TRACKING
GAIN
VR3 Two VTVMs should
read the same value.
Press the
PLAY/PAUSE key,
then confirm that the
LED is "05".
While pressing the "REPEAT" key, turn the AC ON.
{ Refer to test mode (MODE 0 0) }
(e) Tracking gain(a) Laser power
T-GAIN
VR3 VR1 VR2
CN1
TE-B FE-B

ACEGIBDFHJ
2
1
3
5
7
4
6
Refer to the schematic diagram for the value of resistors and capacitors.
PC BOARD(Component side view)
5 6
CD PLAYER UNIT
(X32-3600-00)
ELECTRIC UNIT
(X25-6100-01)
DISPLAY UNIT (X14-4760-21)

ABDFHJCEGI
2
1
3
5
7
4
6
VCC
0.047C27 48 TRK+ TEI
VCC
3
C6 2200P 29
FOCUSING COIL
TRACKING COIL
R13 68K
3.9K
47uH
47uH
OPEN SW
3
4
5
+LM
GND
2
1CLOSE SW
-LM
16
15
14
13
VCC
VC
D
E
VCC
VCC
Q1
47u4
C2
10
R14
+
R4
20K
18P
C3
3.3K
R15
GND
8
TRK(-)
2
1FCS(-)
TRK(+)
4
3
FCS(+)
SHORT
LAND
6
5PD
VR
7LD
10
12
11B
A
C
10uH
L1
13
C
9
10 F
A
B
11
12
+5V
+2.5V
D
15
14 E
VCC
16 VC
9
8GND
F
6
5
7
4
-VPD
LD
FCS+
PD
0.022
9.1K
33K
R11 68K
1M
R8
VR2
R5
4.7K
C1
220K
R10 68K
R12 68K
C5 0.01
R16 24K
R17
R9
34
35 36
C4
3P
32 33 30
31
62K
47K75K
100K
20K
R3
R2
R7
R6
R1 VR1 39
FE.B
PD1 PD2
E
F
38
37
RFM LD PD RFI RF0
41 VEE
EI
40
LRFI
TEO
43
42
VDD
R52 470 R51 470
470
VCC
1K 1000P
R44 C35
22
VDD
C40
C7 0.01
C8 27
28 25 26
XRST
C.OUT
SENS
CC2 CB CP FOK CC1
55
54
23
24
CLK
XLT
DATA
20 57
21
22
59
19
C28
0.1
+
22u6.3
AVDD
27
34
MNTO
XTAI
C36
1000P
33
RFCK C2PO XROF MNT3 MNT1
30
31
32 28
29
XTAO
XTSL
FSTT
C4M
36
100K
R45 35
100
37
38
18
BCK GTOP XUGF XPCK VDD GFS
24
25 26
21
22 23
LRCK PCMD
20
WDCK
ASYE VDD
19
ASYO
ASYI 17
16
BIAS
RF 15
14
43
DOUT
EMPH
WFCK
VSS
SCOR
R55
40 39
40
43
41
42
SBSO
EXCK
SUBQ
SQCK
MUTE
46
44
45
47 46
47
PCO
12
CLTV
13
AVSS
VSS 11
10
FILI
FILO
9
8
TEST
LOCK
7
6
5
3300P
C41
VDD
0.47
100K
R50
R49
1M
1500P
C39
0.01
3.3K
C38
10K
R48
R47
3.3K
R46
+7V
2
1FCS-
TRK-
TE2 5
7
6TE1
S.S
4
3
2
FE2
VC
FE1
C13 0.47330K
R19
1K100
R18
330K
R20
R22 47K
C12 47P
47K
VR3
0.01
C9
R21
4700P + 47u4
C10 C11
47
TZC
ATSC
45
44
TDFCT
46
FDFCT
FEI
FEO
VC
48
3 2 1
SRCH
EFM
FEO
FLB
FGD
6 5 4 8 7
3.9K 100
R25
6.8K
R24 R23
R26 1.5M
C17 10u4
1
C15
1
C14
22K
R27
0.1
C16
R28 680K
+
1RF
MOTOR
SLED
MOTOR
SPINDLE
C20
220P
1M
R29 1000P
C19
R32 1.5M
R31
120K
R30
120K C21
0.047
28 27 26 25 23
24
21
22
+7V
20 18
19
17
TRK-
TRK+
TRK(10K)
TRK(NC)FCS(10K)
FCS- GND FCS+
1 2 3 4
+5(IN)
REG
MUTE
DM(NC)
GND
DM(IN)
DM+
DM-
FCS(NC) VC VCC SLD+ SLD(NC) VCC SLD(10K) SLD-
+7V
6 5 8 7 9 11 10 12
0.1
C32
22u6.3
C33
SL+
SL-
SLO
ISET R39 240K
17
18
14
15
16
TAO
TAM
FSET
TG2
TGU
11 10 9 12
C25 0.01
R36 22K
R35 100K
13
100K
VDD
C26
R38
0.01
100P
C23
82K
R34
C22 0.01
R33 510K
C18 0.033
R37 18K
C24 10u4
+
VCC
6.8
R56
4.7K
D+5V
57
SENS
XRST
DATA
0.1
49 49
50
C34
51 51
CLOK
XLAT
DATO
CNIN
SEIN
53 52 56 55 54
52 53 55
54
SPOD
CLKO
VDD
XLTO
SPOC
SPOB
SPOA
MON
MDS
MDP 4
3
FOK
XLON
2
1
VDD
60 59 58 63 62 61
59
57
64
C44 0.01
VDD
C43
0.1 R54
4.7K
C42
22u6.3
+
R57
120
D+5V
C31 R43
R40
R42
5.6K0.033
R41
4.7K
180K
+7V
15 16
C37
VDD
22 3
40 2
1
20 5
4
BCK
EMPH
MCK
LRCK
PCMD
51 10
+
R58
6.8
46
47
7
6
52
53
9
8
D+5V
49
43
11
12
DATA
SUBQ
SQCK
LAT
CLK
SENSE
SCOR
15
13
14
16
17
D+5V 18
19
+7V 20
RST
MON
C4M
DOUT
DGND
D+5V
MGND
+7V
C30
10u10
GND
OUT
+IN -IN
+7V
13 14
0.1
C29
+7V
++7V
0.033
R53
VDD
20
(BOTTOM VIEW)
MOTOR
LOADING
LD
CB
F
PD AD
E
LM
OPEN/CLOSE SW
LAZER DIODE
ON/OFF
APC
Q2
OFF-SET
Q3
FOCUS
D1
FE-BIAS
Q1
TE-BALANCE
RF/SERVO
CONTROL
FOCUS
OFF-SET
D3
D2 Q4
(BOTTOM VIEW)
DSP
FEEDDISC
MOTOR MOTOR
DM FM
CN1
ADJUSTMENT
T-GAIN
S1
CN3
D5
(BOTTOM VIEW)
4CH BTL
DRIVER
D4
CN2
: DTA124EUAor UN5112
: 2SA1576A(R,S) or 2SB1218A(Q,R)
: 2SC4081(R,S)
: CXD2507AQ 1
: CXA1782BQ 1
: DA204U
: MA111D1-4
D5
Q2
Q3,4
: BA6398FPIC3
Q1
IC1
IC2
IC2
PICKUP (KSS-213C)
(D40-1571-05)
MECHA. ASS’Y
(KSL-213CGN)
IC1
(X32-3600-00)
CD PLAYER UNIT
IC3
3.3V
3.4V
2.4V
7.1V
2.4V
3.5V
3.2V
2.5V
7.1V 2.5V
3.5V
3.6V
2.3V
3.1V
3.6V
2.4V
2.4V
2.4V
2.5V
2.4V
2.6V
2.4V
2.4V
0.8V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.4V
2.2V
2.4V
2.4V
0V 0.6V
2.4V
2.4V
0.2V
3.6V
2.4V
3.2V
2.4V
0.2V
1.8V
4.2V
0.9V
1.0V
2.4V
2.4V
2.4V
2.5V
1.1V
4.5V
4.5V 4.4V
0V
0V
2.2V
4.7V
2.4V
3.6V
2.1V
4.3V
4.2V
4.7V
4.5V
0V
0V
4.4V
4.5V
ON:0V
OFF:4.5V
4.5V
4.6V
4.5V
4.7V
7.1V
4.2V
2.4V
2.4V
2.4V
0.9V
2.4V
2.4V
4.6V
0.2V
2.3V
4.0V
4.5V
4.6V
4.5V
4.7V
0V
0V
4.2V
2.2V
2.3V
2.3V
2.4V
2.4V
2.4V
2.4V
ON:0V OFF:4.5V
4.2V
4.6V

TKMOQSLNPR
15P R70
30 48 DS
8FSBCKO 8FSRDATAO 8FSLDATAO 8FSLRCKO TEST1 TEST0 BCKO DATAO LRCKO NRSTO
R50 470
VDD
10K
R18
0.01
C17
VDD
GND
17 16
VDD
R52 470
R51 470
NC
20
19
18 23 22
21
NC
26 25
24
NC
29
28 27
LRCK
PCMD
BCK
EMPH
MCK
18
20
19
16
17
DATA
LAT
CLK
SUBQ
SQCK
3713
11
915
14
39
3812
11
NRAMRS
25 SDATA
15
14
8FS
SDAC
26
27 13
12
SGATE
SCK
0.01
C60
9
11
10 P/S
NNODR
8
7
DRON
NFRNT
3
33P
C50
6
5LRCKI
4DATAI
BCKI
VDD
NC
GND
2
1
MCKTH
NC
58 59 60
MCKO
HCKO
MMOD0
MMOD1
LRLH
NMUTE
NC
55 56 57 52 53 54
XO
VDX 50
51
XI 49
34
C4M
MON
SCOR
SENSE 4010
9
34
8
7
DGND
RST 6
5
+7V
MGND
D+5V
DOUT 4
3
2
1 +7V
C56
VDD
100u10
100P
R17
100 VDD
R57 1M
16.93MHz
R16
C13 C16
0.1
+
51
C19
X1
C18
15P
+B
+7V
GND
TM+
5
4
TM-
OPN SW
CLS SW 1
3
2
27
+B
23
24
+5V
R72
R71
47K 47K
27
26
25 SDATA
NC NC
SCK
SGATE
25
26
C47
10K
0.1
R80
+5V
47K
R81
+B
R74 XT2
47K
R73
47K
29
NC
AVDD
28
REF
DEFECT
30
31
100K 34
VSS
X1
32
33
X2
RMUTE
R75 35
36
OUT2 IN2
1
2VCC 3
NC
4
GND OUT1 VREF
7 5 6VS 8
9IN1
40
40
38
39
37
LAT
CLK
37
DATA
SENS
38
39
+5V
41
+5V
VDD
R47
C26
R30 3.3K
VDD VDD
4.7K 5.1K
R56
C52
R94
220P
+
-
5
6
DVDD
DVSS
CKS
MCLK
BICK
SDATA
SMUTE
LRCK
DFS
DEM1
DEMO
5
VDAR
34
35
DACTEST1
DACTEST0
NC 31
32
GNDAL
LZ 33
34
LO+
LO- 36
37
VDAL 38
+
C12
330u6.3
C15
0.1
11
12
9
10
8
7
C43
0.01 6
PD
43
41
RO-
RO+
39
40
GNDAR
RZ 42
VDD
NC
GNDX
RESETN
DACTEST2 44
45
46 47
100
R48
C57
22P
0.1
C42 3
4
100u10
+
C41 2
24
R49
1
+5V
C40
0.1
14
DIF0
DIF1 13
AOR-
DIF2
16
15
AOL+
AOL-
AOR+ 17
18
AVSS 20
19
+
220P
3.3K
R28
R54
4.7K 5.1K
R92
DZFL
AVDD
C39
330u6.3
22
AVDD
VREF 21
DZFR 23
24
2.2 AVDD
AVDD
220P
3.3K
R27
C51
220P
R55
4.7K
R93
5.1K
4.7K
R53
5.1K
R91 -
+
2
3
C32
47u16
R36
43
10K
34
C30
R32
4.7K
7R34
1.5K
390P
-
+
6
5
+
7
Q9-12
R40
1K R42 100
C35 0.01
R38
2700P
100K
1K
C36 0.01
R58
22K
R45
22K R59
R37
C31
47u16
2700P
4
R31
4.7K
1
8R33
1.5K +4+
8
-
3
21
1.2K
100K
R44
R43
1.2K
1K
Q7,8
R46
+B
Q13,14
1K
R39
C34
470P C33
470P
100
R41
SB 6
C1
100u50
C3
10U50
6668 13SD
+7V
+5V
C14 0.1
C11 100u10
10
R14
+
R15
220
+5V
+5V
+B
+7V
+5V
3.3K
C25
R29
+5V
+5V
+B
VDD
15 16 17 18
19
20
21
22
R69 47K 47K
R67 R68
47K 47K
0.01
C46
R65
47K
R66
47K
NC NC NC AVSS RST NC NC NC
10
11
12 13
14
R61
4.7K
R62
R64
47K
R63
47K
13
47K
R60
4.7K
12
9
11
R84 100
R83
100
NC KR0 KR1 SQCK STBY SUBQ
8
9
78
80
5
6
7 2 3
4
1
3G 2G 1G
5 6 7
6G 5G 4G
2 3
4
8G
7G
1
80
79
NC
NC
0.01
C58
C59
P1
0.01
77
C48
1
0.01
3
2
SL
F2
F1
72
69
73
74
75
76
77
70
SH
77
76
SL
SK
75
74
SJ
SI
71
73
72
SG
VLOAD
70
69
SF
SE
SG72 8
73
74
75
76
5
4
SJ
SK
7
6
SH
SI
67
68
69
70
10
9
SE
SF
12
11
SC
SD
10K
C29
R35
390P
C10
330u6.3
+5V
100u10
IC7,8
+5V
+5V
Q5
+
R13
100
+5V
+B
+5V +5V
+
C49
+5V
+B
+B
+5V +5V
GND
3
SGND
C55 0.01
R89 100K
100K
R90
R88
100K
C53 220P C54 220P
D. OUT
1
2
GND
+5V
0.047
OUT
GND
C9
100u10
IN
+B
GND
VREF
R11
4.3K
+
+B
OUT
C6
220u10
R12
+7V
+5V
10K
+5V
+5V
+7V
+7V
+5V
C8
1u50
R10
12K
+
C7
R9
180
R2
10K
+7V
C2
0.01
SDATA
SBUSY
100K
R86
330
R87
R85
330
VREF
GND
4.3K
R8
+
+B
OUT
+B
+7V
C5
R7 20K
1u50
+
220
R5
GND2
+B 1 +B
3 GND
5
4
VFL
F2
F1
REM
MON
SCOR
SBUSY
SDATA 42
43 44
NC
47 46 45
CLS. M
OPN. M
VDD
OPN. SW
CLS. SW
VPP
50 49 48
NC
53 52 51
+5V
NC NC 56
55 54
NC NC
NC
59 58 57
R82
100
R76
47K
R77
47K
+5V
65
66
67
66
68
67
SC
SB
65
SA
63
NC NC NC
62 61 60
NC NC 64
65
80 15
14
G8
SA
2
1
17
16
G6
G7
7
+5V
G3520
4
3
19
18
G4
G5
621
22 G1
G2
+5V
12
13
+5V25
23
24 KR1
KR0
27
26
GND
REM
R4
180
R3
180
+
4.7K
R1
+
4.7K
R78 4.7K R79
+5V
+5V+5V
C20
0.1
100u10
C44
+
R101
100
100
R102
100
R103
100
R104
100P
C62 C61
100P
1
R106
1/4W
2.2
R105
1/4W
22
R107
R108
22
30V30V
30V
30V
30V
30V
43
220P
220P
C23C24
C28 C27
+5V
D6
INVERTER
(EMPH CONT.)
Q4
CN2
WH1
DRIVER
LOADING MOTOR
D/A CONVERTER
Q12
(1/2) (1/2)
IC8
Q11
MUTE CONT.
IC7
Q14
Q10
Q8
MUTE
IC7
(2/2) (2/2)
IC8
Q9
R MUTE
CONT.
Q13 Q7
1 Rch
J1
2 Lch
WH1
D3
(BOTTOM VIEW)
u-COM
CONSTANT
POSTAMP
L.P.F.
CURRENT
BUFFER
+2.5V
D5
Q5
(OPTICAL)
D10
DIGITAL OUT
A1
CONTROL
SYSTEM
RESET
+5.0V AVR Q3
D2
D9
D8
J2
+7.0V AVR Q2
D7
CN3
-30V AVR
D4
Q1
D1 CN1
IC5
(X25-6100-01)
ELECTRIC UNIT
IC9
IC6
IC4
IC3 IC2 IC1
0.5V TRAY
OPEN: 4.4V
CLOSE: 0.7V
0.5V
3.8V
0.5V
10.0V
4.7V
4.7V
OPEN: 4.7V
CLOSE: 0V
OPEN: 0V
CLOSE: 4.7V
4.5V
4.5V
4.7V
4.6V
2.3V
4.7V
2.3V
0V
0V
4.7V
4.7V
4.7V
-24.3V
-24.3V
-24.3V
-24.3V
-24.3V
-24.3V
-24.3V
4.7V
4.7V
0V
4.6V
-5.7V
-2.2V
-2.2V
-5.7V
-5.7V
-5.7V
-24.1V
-24.1V
-20.5V
-27.7V
-24.1V
-27.7V
-24.3V
7.1V
4.7V
4.7V
4.7V
2.2V
2.3V
2.2V
1.1V
1.4V
4.6V
4.6V
4.7V
0V
2.8V
1.8V
2.0V
4.4V
1.5V
1.2V
4.7V
4.6V
4.0V
0.6V
4.6V 4.6V
4.6V
4.6V
0V
4.6V
4.6V
0.6V
4.0V
MUTE
ON: 0.7V
OFF: 0V
ON: 0.7V
OFF: 0V
MUTE
4.7V
4.7V
AC4.0V
AC4.0V
-36.8V
-28.4V
9.1V
10.0V
1.2V
7.1V
6.5V
1.2V
4.7V
4.6V
-27.5V (SE7)
-29.5V (SE9)
0V
4.6V

UVXZABADWYAAAC
DP-SG7/SG7G
Y22-8130-21
CAUTION: For continued safety, replace safety critical components only
with manufacturer's recommended parts (refer to parts list). indicates
safety critical components. For continued protection against risk of fire,
replace only with same type and rating fuse(s). To reduce the risk of elec-
tric shock, leakage-current or resistance measurements shall be carried
out (exposed parts are acceptably insulated from the supply circuit)
before the appliance is returned to the customer.
The DC voltage is an actual reading measured with a high impedance
type voltmeter. The measurement value may vary depending on the mea-
suring instruments used or on the product. Refer to the voltage dur ing
PLAY unless otherwise specified; The value shown in ( ) is the voltage
measured at the moment of STOP.
+B
1
+B
GND
GND
3
2
4
C1
3300u16
+B
~
~
+
16
17 0V
14
15
4
T.F
3
5
2
1
12
13
11 1
2
2
(M)
(T,E)
: AC110-120V/
50/60Hz
: AC230V~ 50Hz
(M)
(T,E) : AC230V
: AC110V
220-240V~
VFL
F2
F1
6
COL
24
+
+5V
REM 26
GND 27
+5V
KR1
25
24
10u6.3
C2
KR1
+5V
3G
4G
1G
2G212G
KR0
1G
23
22
3G
4G
20
19
KR0
SASA 14
7G
8G
6G
5G5G
6G
18
17
7G
8G
16
15
SE
SD
SB
SC
SB
SC
13
12
SD
SE
11
10
F2
P3
REM
3GND
2
1+5V
P4
P5
P6 P7
8G 5G 7G
6G
P1
1G
2G 4G 3G
P2
Sg Sh
Si
P10
SJ
SF
SG
SH7SH
SF
SG
9
8
SI
SJ
6
5
51 F2
52
F2
SI
F2
SL
SKSK
SL
4
3
F2
F1 2
1
P8
F1
P11
47
NP 8G
48
NP
50
49
45 5G
44
7G
46 6G
1G 2G
42
41
4G
43 3G
NC NC
38
NC
40
39
P9
NC
34 NC
NC
35
NC
37 36 32 NC
31
NC
33 NC
NC NC
29
28 30 NC
NC NC
25
NC
27 26
P9
P11
P10
P11
P12
P11 P10
KR0
KR1
Sj
Sk
Sl
Sb
Sa Se Sd Sc
Sf F1
11
NC
21 NC
NC
22
NC
23
NC
19
18
NC
20 NC
P2 P1
16 15 17 NC
P4 P5
12
P3
14
13
P9
P12 P11 P10
8
P7 P8
9
P6
10
6 5
P9
7
F1 NP
3 2
NP
4
F1
1
P3 P6
P2 P5
P3 P9P6
P5P2 P8
P8
P8
P9 P10 P1 P4 P4P1 P7
IN
OUT
B
+B
: UDZ15B
: 1SR154-400
: UDZ2.7B
: UDZ5.1B
: MA111
: DA204U
: 2SB1370 or 2SB1375Q2 : 2SA1534A
: 2SK246(Y,GR)
: DTC124EUA or UN5212
: 2SA1576A(R,S) or 2SB1218A(Q,R)
: DTA124EUAor UN5112
: 2SC2878(B)
Q13,14
Q5
Q7,8
Q11,12
Q3
Q4,9,10
: uPD78044FGF071
: PST933D-T
: NJM2100M
: AK4324-VF
: 2SA954(L,K)Q1
: TA8409S
IC6
IC7,8
IC9
: KAN03
IC3
IC4
IC5
: M5237LIC1,2
D6,7,10
D5
D8,9
D2,3
D4
D1
D1
E1
CN1
UP
FF
WH3
D9
D8
g
c
(8G~3G)
d
SENSOR
REMOTE e
REPEAT
S11
FB
S10
S9
SPACE
DOWN
S6 S5
OPEN/
CLOSE
S4
S3
TIME
f
a
b
D7 D6 D5
8G
CN2
ED1
7G 6G 5G
S8 S7
PAUSE
PLAY/
ON/
ST-BY
S2
STOP
S1
D4
D3 D2
4G 3G 2G 1G
ED1 : 8-BT-207GK
D2-9 : 1SS133 or HSS104
: ICP-N25IC1 : KBP02ML-6127D1
GND LINE
SIGNAL LINE
B LINE
B LINE
DP-SG7/SG7G
IC1
(X14-4760-21)
DISPLAY UNIT
(X14-4760-21)
10.7V (ST-BY)
10.7V (ON)
10.0V (PLAY)
4.7V
EDIT A B
RANDOM
PGM
STANDBY CCRS
TRACK NO. REPEAT
P.C.
1511 141312
67 9810
TOATL SPACE 21435
2SA1534A
2SA954
2SC2878
2SA1576A
2SB1218A 2SB1370 2SB1375
2SC4081 DTA124EUA
DTC124EUA TA8409S DA204U
UN5212 2SK246 CXD2507AQ*1 CXA1782BQ*1
KAN03
NJM2100M
BA6398FP M5237L ICP-N25

DP-SG7/SG7G
Parts with exploded numbers larger than 700 are not supplied.
FM
DM
630
13
LM
PU
DP-SG7 MECHA
AE
AE
AC
WASHER HEAD
AA
AB
AA
AB
AB
AB x 2
AD
AE
AF
AG
AF AF
AG
AC x 2
AC x 2
630
AD x 2
1
2
3
AB
EXPLODED VIEW (MECHANISM)
13

DP-SG7/SG7G
ø3x6(BLK)
ø3x8
ø2.6x8
ø3x6
ø3x8(BLK)
M2x5
M3x6
: N09-1445-05
: N09-1522-05
: N82-2608-46
: N89-3006-46
: N89-3008-45
: N35-2005-46
: N09-1561-05
A
B
C
D
E
F
G
J 2
SYSTEM
CONTROL
A 1
OPTICAL
J 1
LINE
OUT PUT
S 6 S 7
S10
repeat S 2
S 5 S 3
S11 S 8
S 9
space S 4
time
S 1
on/
standby
G
G
F
720
D
D
EEE
E
E
Ex2
Bx2
Bx2
(X14-476)
(A/2)
(X32-3600-00)
(X25-6100-01)
(X14-476)
(B/2)
ED1
DP-SG7/SG7G
E
D
A
Ex2
Cx6
765
710
702
766
746
705
767
765
735
601
655
626
648
645x2
630
(16P)
629
(20P)
650
603
606
641
651
616
617
642x2
604
628
(27P)
640
628
(27P)
629
(20P)
EE
E
1
2
CE
D
Parts with exploded numbers larger than 700 are not supplied.
EXPLODED VIEW (UNIT)
14