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AK44E SCHEMATIC DIAGRAM -12
: +B SIGNAL LINE : -B SIGNAL LINE

AC TRANSFORMER CIRCUIT
D570 R570 R571 10 1T3T 10
(5.92V) <5.96V> 5.96V ((5.94V))[5.97V]

R572 15

D571 1T3T

Q570
(6.58V) <6.58V> 6.59V ((6.58V)) [6.6V]

(9.19V) <9.06V> 8.86V ((8.22V)) [9.27V]

D575 1T3T
C571 0.01 R573 150 D580 MTZJ6R8BTA

D572 1T3T

R574 2.2K

C572 0.01

C570 25V47

C574 16V1000P

D577 1T3T

D573 1T3T

Q570

D574 RVD1SS133TA

CN501
1 2 3 4

2SD2137PQTA
REGULATOR +6V SYSTEM
S1 S2 SC S2' S1' PT1 3 P1 1 2 4

TO POWER CIRCUIT (H500/W500) ON SCHEMATIC DIAGRAM-11

5 6 7 8 9 10 11 12 13
1

D576 KBP152G4R5

R583 4000

RL502 RSY0040M-0 Q572
PT1'

S3 S3'

C580 2 0.01

3

4

S4 S5 S5'

POWER CONTROL SWITCH

KTC3199GRTA

C579 25V2200P T501 RTP2N3B013
(0.08V) <0.08V> 0.08V ((0.08V)) [0.08V] (0.83V) <0.83V> 0.83V ((0.83V)) [0.83V]

CN502

TO PANEL CIRCUIT (H601) ON SCHEMATIC DIAGRAM-8

6 5 4 3 2 1

ECONO SYS6V FL2 FL1 SYNC Q571

R578 330
(2.98V) <2.96V> 2.97V ((2.95V))[2.99V]

Q572
(0.03V) <0.03V> 0.03V ((0.03V)) [0.03V]

F1 125V 4.0A
FC2 FC1

W1B R576 10K C575 35V4.7 R577 10K W2B

W1A W2A
1 2 3

L500 Z501 ERZV10V511CS

JK500 AC 230V------------E AC 230V-240V----EB/EG 50Hz

Q571

KRC102MTA
SWITCH SYNCHONISING

(-0.27V) <-0.25V> -0.26V ((-0.24V)) [-0.27V] (0.03V) <0.03V> 0.03V ((0.03V)) [0.03V]

C577 0.01

1 2 3

W500

T502 RTP1H3E002

SUB-TRANSFORMER CIRCUIT CD LOADING CIRCUIT
IC1 TA7291P
6 5

VCC

Vref

NC

10

9

8

7

4

3

NC

VS

MOTOR DRIVE

2

1

C2 0.01 M RM1

C1 50V5.6P

R1 1K D2 MTZJ4R7BTA CN1

CD DETACT CIRCUIT
3 2 1 SW4 W2 W2 3 2 1

Q1

L

PLUNGER

1 2 3 4 5 6 7 8 9 10 11 12 13 14

BOTTOMSW POSITION PSLED D_GND SW2 SW2 SW1 P_GND SW1 OPEN 4 D1 GP1S94 3 2 1 W1 4 3 2 1 Q1 SW3 CLAMP CCW DRIVEPOWER HALF CW

TO MAIN CIRCUIT (CN309) ON SCHEMATIC DIAGRAM-5

RVTDTC143EST
POWER SUPPLY CONTROL

SW5

SPINDLE POSITION CIRCUIT