Panasonic SA-HT940PC Service Manual page 80

SA-HT940P / SA-HT940PC
SCHEMATIC DIAGRAM-14
C
POWER(SMPS) CIRCUIT
D5701
B0FBAR000018
1 2 3 4
Q5748
B3PBA0000237
SYNC SWITCHING
4 1
SYNC Q5705
B1ABCF000176
3 2
INVERTER
R5776
C5732
330 0.1
R5726 Q5703
1K
B1ABCF000176
CURRENT LIMITTING SWITCH
R5727
2.2K
Q5706 Q5752
R5702
B1AAKD000012 B1ACKD000005
8.2
REGULATOR SWITCHING
0.5W
FL+
R5716
180
FL-
Q5801
B3PBA0000237
FEED BACK
SYS6V
1 4
R5790
1K
PCONT
2 3
14 15 16
D
AC-INLET CIRCUIT
: MAIN SIGNAL LINE
F1
125V 8A
ZA5702 ZA5701
EYF52BCY EYF52BCY
L5703
ELF22V035B
(RED)
1 2
(BLK)
4 3
T5721
ETS19AB216AG D5721
B0EAMM000057
D5723
6
B0EAMM000057
7 5
8 4
9 3
10 2
1
8 7 6 5
IC5721
C0DABYY00002
SWITCHING REGULATOR
1 2 3 4
C5729
50V22
PC5721
B3PBA0000237
4
1
2 3
17 18 19
:+B SIGNAL LINE :-B SIGNAL LINE
L5701
J0MBA0000013
1 2
4 3
IC5750
C0GAG0000007
MOTOR DRIVE (TRAY)
-30_VDD
1 2 3 4 5 6 7 8 9
+30_VDD
DC_DET
SYS6V
SYNC
+20V
AM_BP
PCONT
TURN_REV
TURN_FWD
C+9V
R5780
R5750
330 330
J0JBC0000015
DISC_SENS
J0JBC0000015
PULSE
J0JBC0000015
POSITION
Q5750
B1GBCFJJ0051
MOTOR DRIVE
PWM
20 21 22
80
NC
14
P5701 KEY1
13
AC120V
VSSGND
12
VREF
11
RMT
60Hz 10
FL+ F+
9
FL- F-
8
FLGND
7
SW+5V
6
FL_IC_DATA
5
FL_IC_CLOCK
4
FL_ICSTB
CN5710
3
-VP -VP
1 2 3 4 5 6
2
WIDESURR LED
1
DISC1_LED
14
1 2 3 4 5 6
NC
13
CN5711
AGND
12
NC
11
NC
1 ZJ5701 10
VSSGND
9
2
KEY2
8
JOG_LED
3
7
VREF
6
JOG_B
5
JOG_A
4
HP-RCH
3
1 ZJ5702
AGND
2
2 HP-LCH
1
3
PWM PWM
1
TURN_REV TURN_REV
2
TURN_FWD TURN_FWD
3
CN5701
DISC_SENS DISC_SENS
4
-VCC
13 PULSE
PULSE
GND 5
12 POSITION POSITION
6
+VCC
11 MGND
7
DC_DET
B
10 MGND
SYS6V TO 8
9 C+9V
SYNC MAIN 9
8 C+9V C+9V
CIRCUIT 10
DC_GND
7 MGND
11
DC_GND (H2010) on
6
MGND
SW+SVGND SCHEMATIC 12
5 HP-RCH
DIAGRAM-11 13
DC+13V
4 AGND
14
DC+13V
3
HP-LCH
AM_BP 15
2 DISC1_LED
16
PCONT
1 WIDESURR_LED
17
FL_IC_STB
18
FL_IC_CLOCK
19
FL_IC_DATA
20
JOG_A
21
JOG_B
CN5702 22
VREF
TRV- 23
1
SW+5V
TRV+ 24
2
BLUELED
DGND
25
J
3
KEY1
PHOTO_DRIVER
TO 26
4
KEY2
L5750 DGND SENSOR 27
5
VSSGND
DISC_SENSOR CIRCUIT
28
6
RMT
DGND
L5752 (CN9102) on 29
7
VSSGND
PULSE_SENSOR SCHEMATIC 30
8
L5753 DGND DIAGRAM-16
9
POSITION_SENSOR
10
DGND
11
SA-HT940P/PC POWER(SMPS) /AC-INLET/SUB POWER CIRCUIT
23 24
E
SUB POWER CIRCUIT
H
CN5709 CN5707
NC
CN5712
1 19
KEY1
2 18
DGND
3 17
VREF
4 16
RMT
5 15
F+
6 14
F-
7 13
F
FLGND G
8 12 TO
SW+5V
FL CIRCUIT
9 11
FL_IC_DATA
(CN6902) on
10 10
FL_IC_CLOCK
SCHEMATIC
11 9
FL_IC_STB
DIAGRAM-15
12 8
-VP
13 7
WIDESURR LED
14 6
DISC1_LED
1 5
NC
2 4
AGND
3 3
NC
4 2
MPORT_CTRL
5 1
F
DGND
6 9
KEY2 G
7 8
TO
JOG_LED
8 7 HEADPHONE
VREF
9 6 CIRCUIT
JOG_B
10 5
(CN6901) on
JOG_A
11 4
SCHEMATIC
HP-RCH
12 3 DIAGRAM-15
AGND
13 2
HP-LCH
14 1
CN5713
CN5706 CN5705
E
CN5708
D
B
TO
MAIN CIRCUIT
(CN2007) on
SCHEMATIC
DIAGRAM-11
C
B
A
25 26