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17.5. (D) Transformer Circuit, (E) CD Detect Circuit, (F) Spindle Position
Circuit & (G) CD Loading Circuit
SCHEMATIC DIAGRAM - 11
TRANSFORMER CIRCUIT
VCC+
1
2
VCC-
TO
3
POWER
4
CIRCUIT
AC GND
5
(H5950/
W5950) ON
6
SCHEMATIC
AC_IN
DIAGRAM-12
7
SUB B
8
SUB+B GND
9
CN5950
Q5951
2SB621ARSTA
VOLTAGE REGULATOR
(-VP)
FL2
1
-VP
2
FL1
3
SYS6V
TO
4
PANEL
SYS6V
5
CIRCUIT
PCONT
(H6555/
6
W6555) ON
SYNC
7
SCHEMATIC
ST_GND
DIAGRAM-9
8
D_GND
9
CN5951
B1GACFJJ0016
SYCHRONISING
Q5952
: +B SIGNAL LINE
D5950-D5953
B0EAMM000038
D5952
C5960
0.1
D5953
D5951
R5965
12K
D5956
D5954
C5950
C5959
25V2200
0.01
D5955
D5954-D5957
D5957
B0EAKM000117
D5959
Q5951
B0EAKM000117
C5958
R5960
0.01
4.7K
C5956
50V47
R5961
C5957
D5960
150
MTZJ30ATA
50V10
R5955
R5954
D5966
R5956
B0EAKM000117
10
10
10
Q5950
Q5950
B1BACD000017
C5953
0.01
SYSTEM 6V
VOLTAGE REGULATOR
Q5952
C5952
10V47
SWITCH
R5958
10K
C5954
R5957
0.01
10K
CD DETECT
CIRCUIT
W2
W2
3
3
SW4
2
2
CD
1
1
D1
B3ANN0000096
D1
4
4
3
3
2
2
1
1
W1
SW5 LOAD
SPINDLE
POSITION
CIRCUIT
: -B SIGNAL LINE
D5950
ETP76VST62GB
FP5950
4A
C5955
50V22
B1AACF000064
POWER CONTROL
FP5951
1A
B1AAGC000007
CURRENT LIMITING
Q5954
C5964
R5971
R5952
0.01
820K
C5961
1.2K
10V470
D5980
R5972
D5988
1.5K
C5962
D5981
D5964
10V470
B0BA6R600008
C5963
35V4.7
IC1
C0GAM0000005
MOTOR DRIVE
10
9
8
7
6
5
4
C2
C1
0.01
M
50V5.6P
R1
100K
RM1
D2
B0BA4R600003
Q1
SW2
PUSH
SW3
OPEN
Q1
B1GACFGG0004
POWER SUPPLY
CONTROL
CD LOADING
CIRCUIT
69
S5950
1
2
F2
3
250V 1.6A
4
FC3
FC4
5
6
T5950
K6B1AEA00015
1
3
Q5953
Q5953
B0AACK000004
SWITCH
Q5954
R5951
SWITCH
3.3K
D5961,D5962,
D5980,D5981,D5988
B0EAKM000117
D5961
ERZV10V511CS
C5951
T5951
0.01
RTP1H3E002
D5962
3
2
1
L
1
PLUNGER
2
BOTTOMSW
3
POSITION
4
PSLED
5
D_GND
6
SW2
SW1
7
PUSH
P_GND
8
SW1
TO
9
OPEN
MAIN CIRCUIT
10
CLAMP
(CN2805) ON
11
CCW
SCHEMATIC
12
DIAGRAM-4
DRIVEPOWER
13
HALF
14
CW
CN1
SA-AK33 1GCP
A
B
A: 240V
B: 120V
A
B
RL5950
2
4
D5965
F1
250V 3.15A
FC1
FC2
Z5950
JK5950
AC IN
110-127V/
220-240V
50/60Hz
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