Panasonic SB-VK61 Service Manual page 106

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