Panasonic SA-HT680PL Service Manual page 76

SA-HT680PL
SCHEMATIC DIAGRAM-4
MAIN CIRCUIT
CN2004
G
VGND 50
PY/Y/G 49
VGND 48
CB/PB/B 47
VGND 46
CR/PR/R 45
VGND 44
Y 43
VGND 42
C 41
ADAC5V 40
C2157 50V10 R2157 10K
MIXL 39
F ADAC5V 38
C2257 50V10 R2257 10K
MIXR 37
ADACGND 36
C2156 1 R2156 2.7K
FL 35
ADACGND 34
C2256 1 R2256 2.7K
FR 33
ADACGND 32
C2300 50V10 R2300 10K
SL 31
ADACGND 30
C2400 50V10 R2400 10K
SR 29
ADACGND 28
C2500 50V10 R2500 10K
TO CENTER 27
DVD MODULE
E ADACGND 26
CIRCUIT C2600 1 R2600 5.6K
(FP8101)on SUBW 25
SCHEMATIC
VREF 24
DIAGRAM-1
23
ZFLAG
DGND 22
Q2028
AUDIO
B1GBCFJN0033
21
DIGITAL
Muting Switch
DGND 20
D+5V 19
R2895
DGND 18
10K
D+5V 17
DGND 16
A+5V 15
D AGND 14
A+5V 13
AGND 12
D+1.2V 11
DGND 10
D+1.2V 9
DGND 8
M+9V 7
MGND 6
C2834
16V220
M+9V 5
MGND 4
DSPCLK 3
CMD 2
C
STATUS
1
CN2006
19
18
17
16
15
14
13
12
TO
B 11
POWER
CIRCUIT
10
(CN501)on
9
SCHEMATIC
DIAGRAM-8
8
7
6
5
4
3
2
1
CN2013
A
1
TO
FAN MOTOR
2
1 2
STANDING
CIRCUIT
CN2003 CP2001 CN2002
TUNER GND
10 10
TUN+9V
9 9
PY 8 8
TUNER RCH
7 7
TUNER D0/ST
CB B TO 6 6
TUNER PACK TUNER LCH
5 5
TUNER SD
CR R 4 4
TUNER DI
3 3
TUNER CLK
S Y 2 2
PORT SEL GND
1 1
S C
DVD A+5V
DVD MIXL
DVD MIXR
DVDFL
DVDFR
CN2001
DVDSL
DVDSR
DVDCNT
TO
CD LOADING
CIRCUIT
SUBW
(CN1)on
SCHEMATIC
DIAGRAM-10
DVD MUTE
DVD D+5V
DVD A+5V
D+1.2V
M+9V
DVD CLK
DVD CMD
DVD STAT
SYNC
PCONT
SUBWOOFER
CENTER
SURR R
SURR L
FRONTR
FRONTL
MUTE H
SYS6V
DCDET
3 4
:+B SIGNAL LINE :-B SIGNAL LINE :MAIN SIGNAL LINE
TUNER GND
10
TUN+9V TUN+9V
9
8
R2200 22K
TUNER RCH TUN R
7
TUNER D0/ST TUN DO
6
R2100 22K
TUNER LCH TUN L
5
TUNER SD TUN SD
4
TUNER DI TUN DI
3
TUNER CLK TUN CK
2
PORT SEL GND
1
PLAY SW PLAY
14
ST SW ST SW
13
OP/CL REV CL REV
12
OP/CL FWD CL FWD
11
OPEN SW OPEN SW
10
R2901 220
+5V SW5V
9
POSITION POSITION
8
BOTTOM BOTTOM
7
UP/DOWN R UP/DOWN R
6
AUX L
UP/DOWN F UP/DOWN F
5
AUX R
GND
4
TUN L
CHANGE SW CHANGE SW
3
TUN R
LOAD GND
2
DVD MIXL
+7.5V M+9V
1
DVD MIXR
D2037 D2038
C2827
B0EAKM000117 B0EAKM000117
16V47
EXT L
EXT R
C+7.5V
DVDCNT
DVDSL
DVDSR
SUBW
DVDFL
DVDFR
C2517 50V4.7 R2514 2.2K
H
R2530 27K R2531 39K
Q2501
B1GDCFGA0018
Muting Control
R2532
1.8K
5 6 7
76
:FM/AM SIGNAL LINE :DVD(VIDEO) SIGNAL LINE
C2022
0.022
C2021 R2091 C2020 R2092
330P 22K 330P 22K
1 2 3 4
IC2019
C3EBEG000072
EEPROM
(Not Supplied)
8 7 6 5
R2090
4.7K
C2019
330P
60 59 58 57 56 55 54 53 52
61 INA1
62 INA2
63 INB1
64 INB2
65 INC1
66 INC2
67 IND1
68 IND2
69 INE1
70 INE2 IC2011
C1BB00000845
71 AGND
C2120 1 ASP IC
72 EXM1
C2218 1
73 EXM2
R2217 100K
74 AGND
R2117 100K
75 INFLA
76 INFRA
77 INCA
78 INLSA
79 INRSA
80 INSUBA
1 2 3 4 5 6 7 8 9
R2119
0 R2116 100K
R2118 0 R2216 100K
R2172 R2271
1K 1K
R2272
10K
R2173
10K
H
8 9 10
C2023
220P
C2024
220P
C2025
0.01
51 50 49 48 47 46 45 44 43 42 41
FW4 40
OUTFL 39
FOUT3 38
FW3 37
OUTFR 36
MIX IN 35
AGCR 34
AGCC 33
C2605 0.18
GAOUT 32
FW2 31
FOUT2 30
FW1 29
FOUT1 28
OUTC 27
OUTCN 26
OUTLS 25
OUTLSN 24
OUTRS 23
OUTRSW 22
OUTSUB 21
10 11 12 13 14 15 16 17 18 19 20
R2604
33K
R2603
15K
C2623 470P
C2622 470P
C2620 470P
C2621 470P
R2602 10K
R2170 5.6K
R2301 4.7K
R2401 4.7K
SA-HT680PL MAIN CIRCUIT
11