Panasonic SA-AK66 Service Manual page 14

SCHEMATIC DIAGRAM -12
AC TRANSFORMER CIRCUIT
CN501
1
2
3
4
5
TO
POWER 6
CIRCUIT
7
(H501/W501)
8
ON SCHEMATIC
9
DIAGRAM-11
10
11
12
13
C588
25V2200P
CN502
TO
6
ECONO
PANEL
5
SYS6V
CIRCUIT
4
FL2
(H601) ON
3
FL1
SCHEMATIC
2
SYNC
DIAGRAM-8
1
CD DETACT
CIRCUIT
3
2
1
SW4
W2
D1
GP1S94
SW5
SPINDLE POSITION
CIRCUIT
: +B SIGNAL LINE
R570 R571 R572
D570 D571
18 18 22
1T3T 1T3T
(5.92V) <5.96V>
5.96V ((5.94V))[5.97V]
(9.19V) <9.06V>
Q570
8.86V ((8.22V))
C582
[9.27V]
0.01
(6.58V) <6.58V>
6.59V ((6.58V))
[6.6V]
R573
150
D580
C570
25V47 MTZJ6R8BTA
R593
15
Q570
KTC3205YTA
REGULATOR
+6V SYSTEM
S1
P1
S2
SC
PT1
S2'
S1'
D576 KBP202G
R589
4000
S3
S3'
1 2 3
4
C581
S4
0.01
PT1'
S5
S5'
T501
RTP2N3C012
R578
330
(2.98V) <2.96V>
2.97V ((2.95V))[2.99V]
(-0.27V) <-0.25V>
Q571
-0.26V ((-0.24V))
Q571
[-0.27V]
KRC102MTA
(0.03V) <0.03V>
0.03V ((0.03V))
SWITCH
[0.03V]
SYNCHONISING
CD LOADING CIRCUIT
10 9
M
RM1
3
2
1
W2
4
4
3
3
2 2
1
1
Q1
RVTDTC143EST
W1
POWER SUPPLY
CONTROL
C584
D572
16V1000P
1T3T
R574
820
C589
0.01
D573
C585
1T3T
16V1000P
D574
RVD1SS133TA
3 4
2
1
RL502
RSY0056M-C
Q572
KTC3199GRTA
POWER CONTROL SWITCH
R590
3.3M
(0.08V) <0.08V>
0.08V ((0.08V))
[0.08V]
Q572
(0.83V) <0.83V>
0.83V ((0.83V))
(0.03V) <0.03V>
[0.83V]
0.03V ((0.03V))
[0.03V]
R576
C586
10K
35V4.7
C587 R577
0.01
10K
IC1
TA7291P
MOTOR DRIVE
8 7 6 5 4 3 2
C2 C1
0.01
50V5.6P
R1 1K
D2
MTZJ4R7BTA
Q1
SW2
SW1
SW3
F1 125V4.0A
FC2 FC1
W1B W1A
Z501
ERZV10V511CS
W2B
W2A
1 1
2
2
T502
3 3
RTP1I3E002-V
W500
SUB-TRANSFORMER
CIRCUIT
1
CN1
L
PLUNGER
1
BOTTOMSW
2
POSITION
3
PSLED
4
D_GND
5
TO
SW2
MAIN CIRCUIT
6
P_GND (CN205) ON
7
SCHEMATIC
SW1
8
DIAGRAM-4
OPEN
9
CLAMP
10
CCW
11
DRIVEPOWER
12
HALF
13
CW
14
JK500
AC 120V
60Hz