Technics SLPD-9 Schematic
SCHEMATIC DIAGRAM-6
: +B Signal line
TRAYMOTOR
CIRCUIT
M
M501
D502
RSQGP1S53V
Q501
PT381
PHOTO
TRANSISTOR
CIRCUIT
SENSOR CIRCUIT
IC501
BA6247N
MOTOR DRIVE
Direction Select Amp Drive
6
9
8
10
0.5V
6
5
4
3
2
1
FC502
NC
3
2
1
FC503
6
5
4
3
2
1
FC502
3
2
1
FC503
8.6V
6.8V
7
5
0V0V0V
D501 GL380
IC501
1
2
3
4
0.5V
0.5V
P.GND
14
LH+
13
LH-
12
LOAD
11
TURN
10
DIREC
9
8
7
NC
6
+8.5V
5
4
3
2
1
CN501
+8.5V
VREF
P.GND
LED
SPEED
POSITION
D.GND
TO
MAIN CIRCUIT
(CN403) on
SCHEMATIC
DIAGRAM-3
LOADING MOTOR
CIRCUIT
M551
M
D551
SG-206S
S551
SWITCH
6
5
4
3
2
1
CN551
LH+
LHÂLED
UP/DOWN
DGND
OPEN
TO
MAIN CIRCUIT
(CN404) on
SCHEMATIC
DIAGRAM-3
SCHEMATIC DIAGRAM-3
TO
SENSOR
CIRCUIT
(CN501) on
SCHEMATIC
DIAGRAM-6
TO
LOADING
MOTOR
CIRCUIT
(CN551) on
SCHEMATIC
DIAGRAM-6
TO
CD SERVO
CIRCUIT
(CN702) on
SCHEMATIC
DIAGRAM-2
P.GND
14
LH+
13
LH-
12
LOAD
11
TURN
10
DIREC
9
+8.5V
8
VREF
7
P.GND
6
+8.5V
5
LED
4
SPEED
3
POSITION
2
D.GND
1
CN403
LH+
6
LH-
5
LED
4
UP/DOWN
3
DGND
2
OPEN
1
CN404
CN302
OUTL
19
AGND
18
OUTR
17
3.3V
16
DGND
15
LDSW
14
TX
13
PVCC(8V)
12
PGND
11
MCLK
10
MDATA
9
MLD
8
SPEED
7
BLCK
6
SQCK
5
SUBQ
4
STAT
3
/RST
2
RESTSW
1
R431
10K
((0.6V))
R435
10K
((2.5V))
((0.7V))
Q475
((0V))
Q474, 475
KRC101MTA
SWITCHING
MAIN CIRCUIT
R462
220
C462
0.01
A
B
C
D
E
F
G
Q476, 477, 478, 479, 480
KRC119MTA
SWITCHING
R436
1K
((0V))
((0V))
R432
4.7K
R433
4.7K
C301
0.01
Q474
R434
4.7K
C461
a
b
c
d
f
e
g
R463
120
10V47
1
R461
120
R420
10K
f
g
e
d
c
b
a
R407
R406
Q476
((3.57V))
Q477
D461
((-25.06V))
((-20.44V))
((-24.13V))
((-27.86V))
((-24.42V))
((-28.02V))
((-24.08V))
((-13.08V))
((-24.08V))
((-13.08V))
((-16.74V))
((-24.09V))
4.7K
4.7K
((3.57V))
((3.58V))
MTZJ6R8CTA
((0V))
R422
4.7K
((0V))
((0V))
((-9.5V))
((-9.5V))
((0V))
((0V))
((0V))
Q478
Q461,462
KRC111MTA
MOTOR CONTROL
((6.83V))
D462
MTZJ5R6BTA
((3.64V))
R423
10K
R424
4.7K
13
((-27.43))
1
G7
80
G8
NC
79
78
NC
S1
77
S2
76
75
S3
S4
74
S5
73
72
S6
VPP
71
S7
70
69
S8
68
S9
67
S10
S11
66
S12
65
S13
((-24.09V))
((0.3))
((0.3V))
((0.3V))
: +B Signal Line
Q461
((0V))
((0V))
Q462
(0V)
R425
10K
R426
4.7K
15
((-27.60))
((-24.96))
((-24.96))
((-24.98V))
2
3
4 5
G5
G6
G4
G3
NC
S15
S16
S14
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 4164 63 62 61
((0V))
((-24V))
((-23.5V))
((-24.3V))
((3.6V))
((0V))
Q480
((0.82V))
((5V))
Q479
((-25.03V))
((-24.97V))
7
6
G2
DISC5
((0V))
((4.99V))
((0.4V))
((0.4V))
R427
10K
R428
4.7K
((3.94V))
((3.56V))
((5.03V))
8
9
10 11 12 13 14 15 16
G1
VDD
MCLK
MDATA
DISC3
DISC4
DISC1
DISC2
((0V))
((0V))
((0V))
: -B Signal Line
R413
10k
10
R429
10K
14
((4.97V))
((4.89V))
((0V))
((0.10V))
((0V))
MLD
SQCK
SENSE
DMUTE
IC401
IC401
UPD78044F186
MICRO-P
VDD
SYNCHRO*POWER
STAT
((0V))
((2.6V))
((5.05V))
((4.98V))
C406
50V1
R440
4.7K
C405
0.01
Q401
2SC2785FETA
RESET
((5.05V))
C403
50V1
7
R430
4.7K
((2.50V))
NC
/FLOCK
SUBQ
/TLOCK
((0V))
((0V))
R415
56K
Q401
((0V))
((5.03V))
((0V))
((5V))
17 18 19 20 21 23 24
AVSS
/RESET
REC.EN
ZSENSE
SPEED
REMOCON
IC
POSITION
((5V))
((0.8V))
((0.13V))
C421
1000P
R437
10K
R438
10K
R439
10K
: CD Signal Line
C404
25V4.7
((0V))
((0V))
((5V))
((5V))
22
TURN
DIR
OPEN
AD3
/RSTSV
LOAD
AD2
AD1
AVDD
AVREF
NC
XT2
VSS
X1
X2
REST_SW
UP/DOWN
EECS
EECLK
EEDATA
NC
NC
POFF
PWM
((0V))
((0V))
((0V))
((2.8V))
C422
1000P
R421
10K
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
((0V))
((5.02V))
((5.02V))
((5.02V))
((5.02V))
((5.02V))
((0V))
((5.02V))
((0V))
((2.20V))
((2.30V))
((5.03V))
((0V))
((0V))
((0V))
((0V))
3
1
R411
R414
470
J133
X401
4.23MHz
out
in
R402
4.7K
C424
1000P
R401
4.7K
C423
1000P
4.7k
GND
22k
R412
R409 1.8k
R410 10k
2
C407
C410
0.1
0.1
E400
SNE1004-2
CN401
4
5
2
1
G1
G2
3
G3
G4G5G6
6
7
G7
11
13
12
10
8
9
S1S2S3S4S5S6S7S8S9
G8
TO
PANEL CIRCUIT
(CN601) on
SCHEMATIC
DIAGRAM-5
14
15
16
17
21
20
19
18
S11
S10
S13
S12
17
DISC5LEDA
15
16
DISC4LEDA
DISC3LEDA
13
14
DISC1LEDA
DISC2LEDA
12
REMOCON
8
11
10
9
S16
S15
S14
AD1
TO
PANEL CIRCUIT
(CN602) on
SCHEMATIC
DIAGRAM-5
7
AD2
6
AD3
5
GND
4
+5V
3
STBY
2
1
CN402
FL1
FL2
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