Panasonic SC-HT870 Service Manual page 250

NE
39
ive
JK2000
1 DVDAC2
2 DCDET
3 DVDAC1
4 SYS6V
5 MUTE H
6 DGND
7 FRONTR
8 SUB+B
9 OUTPUT GND
10 OUTPUT GND
11 FRONTL
12 SURRR
TO
13 GUARD GND
ACTIVE
SUBWOOFER
14 SURRL
UNIT
15 CENTER
SB-WA878EG/EB-S
16 GUARD GND
17 SUBWOOFER
18 GUARD GND
PCONT
19
FAN DRIVE
20
21 SYNC
22 FL1
23 SUBAC1
24 FL2
25 SUBAC2
1
26 CASE GND
CN2005
1 NSW+12V NSW+12V
2 A+5V
3 WIDE1
4 RGB H
5 YOUT
6 GND
7 COUT
8 GND
9 G
10 GND
11 B
12 GND
13 R
14 YC H
15 GND
16 TVRCH
17 GND
18 TVLCH
19 MUTE
56
KEY2
JOG B
JOG A
BLUE LED
VREF+
RMT
HP L
HP R
EPM
R2032
220
SCART CIRCUIT
D1002 C1020
R1041
B0BC01200019 50V2.2
100
Q1010
R1042 R1040
B1AAKD000009
10K 10K
Regulator
L1002
J0JBC0000015
C1001
16V100
C1004
0.01
R1003
1K
R1004
1K
CN1001
1
Q1001
A+5V 2
2SB0709AHL
WIDE1 3 Amplifier
RGBH 4
YOUT 5
VGND 6
COUT 7
VGND 8
R1015
18K
G 9
VGND 10
R1016
B 11
22K
Q1005
VGND 12
2SD0601AHL
Switch
R 13
YCH 14
AGND 15 Q1004
UNR221200L
RIN(TV) 16
Inverter
AGND 17
LIN(TV) 18
AGND 19
R1009
22K
CN2008
1 KEY2
FL2
2 JOG B
SW5V
3 JOG A
FL1
4 BLUE LED
FLD DA
TO
5 VREF+
VOLUME
FLD CK
CIRCUIT
6 GND1
FLD CS
(CN6032)ON
7 RMT
SCHEMATIC
8 HP L
DIAGRAM-7
FLD RST
9 HPGND
-VP
10 HP R
KEY1
STBY LED
IC1001
C9ZB00000432
Video selector IC
C1005 C1018
1 VCC1 VCC 34
0.1 0.01
2 CIN COUT 33
C1006 C1013
3 MUTE1 GND2 32
0.1 6.3V220
4 VIN YOUT 31
5 YC-MIX VSAG 30
C1014
C1010
6 YIN GND2 29
6.3V220
10V22
7 BIAS YOUT 28
8 GND1 YSAG 27
9 NC GND2 26
C1015
10 GND1 CYOUT 25
6.3V220
C1007
11 NC CYSAG 24
1
C1016
12 CYIN GND2 23
6.3V220
C1008
13 CLP CBOUT 22
1
14 CBIN CBSAG 21
C1017
15 MUTE2 GND2 20
6.3V220
16 19
CRIN CROUT
C1009
17 GND2 CRSAG 18
1
R1018
R1019
4.7K
22K
IC1002
XN0460100L
Switch
R1017
22K
R2969 0
C1011 C1012 C1019
0.1 0.1 0.1
IC1003
C1AB00001731
Video Buffer R1025
10K
4 IN1 VCC 3
R1020 L1020
75 J0JBC0000015
5 GND OUT 2
6 IN2 SW 1
R1021 L1021
75 J0JBC0000015
R1022 L1022
75 J0JBC0000015
R1023 L1023
75 J0JBC0000015
D1001 R1027
B0ACCK000005 470
Q1007
UNR211H00L
Switch
Q1006
UNR221200L
Inverter
R1024
4.7K
SA-HT870E,EB,EG MAIN CIRCUIT
CN2009
FL2
1
SW5V
2
3 FL1
4 FLD DA
FLD CK
5
FLD CS
6
7 FLGND
FLD RST
8
-VP
9
10 GND1
TO
11 KEY 1
FL CIRCUIT
STBY LED
12 (CN6008)ON
DISC1 SCHEMATIC
13
DIAGRAM-7
14
15
16
17
18
19
20
21
22
R1028
JK1001
1K
1 A(B)OUT
2 A(B)IN
3 A(A)OUT
R1029
4 A-COM
1K
R1026
5 RETURN
10K
6 A(A)IN
7 BLUE I/O
8 FUNC SW
9 RETURN
10 CONT
21PIN
11 GREEN I/O
AV JACK
12 NC
13 RETURN
14 RETURN
15 RED I/O
16 BLK I/O
R1031
17 RETURN
75
18 RETURN
19 V-OUT
20 V-IN
R1030
21 GND
75