Circuit & (S) Spindle Position Circuit - Panasonic SA-VK61DGS Service Manual

SA-VK61DGS
20.9. (N) Transformer Circuit, (O) AC Inlet Circuit, (P) Voltage Selector
Circuit, (Q) CD Loading Circuit, (R) CD Detect Circuit & (S) Spindle
Position Circuit
SCHEMATIC DIAGRAM - 38
TRANSFORMER CIRCUIT
CN950
10
9
8
TO
7
POWER
6
CIRCUIT
(H950/W950) ON 5
SCHEMATIC
4
DIAGRAM - 37
3
2
1
7
TO 6
POWER
5
CIRCUIT
4
(H951/W951) ON
3
SCHEMATIC
2
DIAGRAM - 37
1
CN951
CD DETECT
CIRCUIT
SW4
CD
D1
GP1S94
D1
SW5
LOAD
SPINDLE
POSITION
CIRCUIT
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T501
G4C8AGC00001
S1 PT
S2
P(0)
SC
S2'
P(110)
S1'
P(123)
S3
S3'
P'(0)
S4
P'(13)
P'(123)
S5
S5'
RL502
RSY0040M-0
2
4
D950
B0EAKM000126
C0GAM0000005
10 9 8
C2
0.01
M
RM1
W2 W2
3 3
2 2
1 1
4 4
3 3
2 2
1 1
W1
CD LOADING
CIRCUIT
: +B SIGNAL LINE
VOLTAGE SELECTOR CIRCUIT
W4B W4A
W2B W2A
W6B W6A
W7B W7A
W5B W5A
W3B W3A
1
W1B
W1A
Z501
3
ERZV10511CS
CN953
TO
POWER
3
CIRCUIT
2
(W952) ON
1
SCHEMATIC
DIAGRAM - 37
AC INLET CIRCUIT
IC1
MOTOR DRIVE
4 2
7 6 5 3 1
C1
16V100
R1 1K
D2
B0BA4R600003
Q1 L
1
PLUNGER
2
BOTTOMSW
3
POSITION
4
PSLED
SW2
5
PUSH D_GND
6
SW2
SW1
7
P_GND
PUSH
8
SW1
9
OPEN
SW3
OPEN
10
CLAMP
11
CCW
12
DRIVEPOWER
Q1
13
B1GACFGG0004
HALF
POWER SUPPLY
14
CONTROL CW
106
240V
127V 220-230V
5 2
4 7
110V 110V
3 8
S501
VOLTAGE
6 1
SELECTOR
220-230V
127V
240V
PL1
F2
250V 1.6A
FC4 FC3
F1
250V 3.15A
FC2 FC1
T502
L500
G4C2AAJ00005
RLQZ371
2 4
1 3
TO
MAIN CIRCUIT
(CN309) ON
SCHEMATIC
DIAGRAM - 23
CN1
JK500
AC IN
110/127/
220-230/240V
50/60Hz