System Control; Motor Drive - Panasonic SA-DK3 Service Manual

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PQ018EZ01ZP
IC3002
+B8
REGULATOR
D+2.5V
Q710,711
POWER
AV+5V
SUPPLY
UPC29M33T
IC6251
+B9
REGULATOR
D+5V
Q712,713
POWER
AU+5V
SUPPLY
M+9V
19
14
WIDE1
P22
TC74HCT7007A
IC6001
INTERFACE
DCLK
DCMD
DSTAT
TA7291P
IC1

MOTOR DRIVE

4
2
M
10
RM1
(LOADING
MOTOR)
1
7,8
+B4
Q708,709
POWER
PQ1CZ31H27P
SUPPLY
L2,4
CONVERTER
LM2940T5M
IC703
REGULATOR
Q703,704
POWER
SUPPLY
POWER
+B3
Q701
SUPPLY
POWER
Q702
SUPPLY
CONT.
X451
(8MHz)
+B6
42
20
6
34
35
36
37
21
15
3
33
32
Q1
D2
MOTOR
DRIVE
5
6
(POSITION
SENSOR)
D302~304
D701~704
IC702
L708
DC-DC
SWITCH-
5
8
9
10
M38504M6209F
IC451

SYSTEM CONTROL

26
28
Q451,
452
PLUNGER
+B4
DRIVE
PLUNGER
+B6
Note)
D1
(To MAIN SECTION)
AC1
AC2
Q705
DC IN
ING
M RQ
M CS
M CK
M SI
M SO
M RST
MUT
+B6
+B6
11
12
18
4
2
1
16
27
29
31
39
30
: VIDEO/AUDIO SIGNAL LINE
: VIDEO SIGNAL LINE
: AUDIO/FRONT MID SP. DRIVE SIGNAL LINE
: SUB WOOFER/FRONT LOW SP. DRIVE SIGNAL LINE
: CENTER SP. SIGNAL LINE
: SURROUND/FRONT HIGH SP. SIGNAL LINE

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