Panasonic SA-VK680EE / SC-VK680EE Service Manual ▷ View online
125
P1
P1
FOR SOFTWARE
TO CR14 (CN2)
SA-VK680EE MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (2/6)
TO MAIN
SECTION (6/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 7
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AM/FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
N
TO
SMPS CIRCUIT
(CN5802)
IN SCHEMATIC
DIAGRAM - 16
SMPS CIRCUIT
(CN5802)
IN SCHEMATIC
DIAGRAM - 16
G
TO
MUSIC PORT CIRCUIT
(CN6807)
IN SCHEMATIC
DIAGRAM - 12
MUSIC PORT CIRCUIT
(CN6807)
IN SCHEMATIC
DIAGRAM - 12
J
TO
USB CIRCUIT
(ZJ1111*)
IN SCHEMATIC
DIAGRAM - 18
USB CIRCUIT
(ZJ1111*)
IN SCHEMATIC
DIAGRAM - 18
G
TO
MUSIC PORT CIRCUIT
(ZJ6801*)
IN SCHEMATIC
DIAGRAM - 12
MUSIC PORT CIRCUIT
(ZJ6801*)
IN SCHEMATIC
DIAGRAM - 12
C
TO
PANEL CIRCUIT
(CN6001)
IN SCHEMATIC
DIAGRAM - 11
PANEL CIRCUIT
(CN6001)
IN SCHEMATIC
DIAGRAM - 11
29
30
31
32
33
34
35
36
37
38
39
40
41
42
A
B
D
E
F
H
G
C
3
1
2
Z2000
6
8
9
7
2
1
1
1
4
5
3
10
10
CN2806
MPORT_L
HP_SW
MPORT_SW
DECK_EJECT
MPORT_R
MPORT_R
M+9V
C2982 10V33
D4007
B0BC8R2A0266
D2829
B0BC8R2A0266
6
8
9
7
2
1
1
4
5
3
10
11
CN2805
OPEN
UD_SENSOR
HOME_SW
0
R2934
MODE
Q4007
B1AAKD000012
REGULATOR
R4029
180
LO_F
LO_R
TOP
DGND
MPORT_L
DGND
MPORT_R
HP_L
HP_L
HP_R
HP_R
HP_GND
HP_SW
DECK_EJECT
MPORT_SW
MPORT_GND
CD_7.5V
CD_7.5V
TOP
UD
LO F
DGND
OPEN
HOME_SW
HOME_SW
CLOSE
CLOSE
LO R
MODE
P_GND
P_GND
C4017 0.01
R2829
47
C2829
0.1
C4006 0.01
K2004
0
R2930
220K
DVD_PCON
D4000
B0EAMM000057
D4002
B0JAME000114
G0A200D00002
L4004
C4008
6.3V820
R4022
47
R4001
1.5K
R4002
2.7K
C4003
1
D2901
B0BC035A0007
G0A101ZA0028
L4001
B0JCPD000025
D4003
5
3
4
8
7
6
2
1
9
T2900
SWITCHING
TRANSFORMER
G4D1A0000117
R4021
47K
D4001
B0BC024A0267
35V33
C4042
6.3V100
C4012
C4005
0.01
C4043
16V100
B0EAMM000057
D2903
1K
R4003
C4002 0.01
G0A220GA0026
L2910
FP2901
K5G401A00008
0.4A
5.6K
R4023
25V1000
C4007
G0A200D00002
L4000
4
2
1
3
5
C0DAAYH00001
SWITCHING REGULATOR
IC4000
C4000
0.01
FL_GND
C4045
35V33
C4044
3900P
Q2900
POWER SAVE
CONTROL
B1BABK000001
FL1
FL2
-VP
DVD+5V
D+2.7V
DC_GND
STBY
OUT
VCC
GND
INV
G0A200D00002
L4008
1.2K
R2722
B0BC010A0265
D4005
M_GND
B0EAKM000117
D4032
0.1
C4025
MA2J1110GL
D5102
16V100
C4026
1K
R4031
1K
R5104
1K
R5103
B1ABCF000176
Q5102
B0BC9R1A0266
DZ4007
C4050
47
C4049
25V220
0.01
C4013
Q5100
B1BCCG000002
-9V
+9V
R4012
100
D2811
B0BC6R8A0263
22K
R4014
10K
R4016
15K
R4015
C4020
10V33
D2820
MA2J1110GL
B1GBCFJJ0051
DC DETECT
QR4002
DVD_PCON
SW5V
Q2810
B1AAKD000012
REGULATOR
REGULATOR
POWER CONTROL
POWER CONTROL
REGULATOR
REGULATOR
10V33
C4021
D2810
MA2J1110GL
DC DETECT
DC DETECT
B1GBCFLL0037
QR4003
B1GBCFLL0037
QR4004
C4022
0.01
C4019
0.01
-VP
DVD+5V
DC_DET
DZ2810
B0BC5R6A0266
R4011
680
1000P
C4016
Q4003
B1BACG000023
R2730
2.7K
390
R2731
C2729
0.01
10V33
C2728
39
R4009
C4046
0.01
C4015
1000P
C4047
10V33
Q2732
B1ADCE000012
C2735
0.01
C4014
0.01
C4023
0.01
P_GND
K4011
0
10K
R4017
10K
R4018
C2738
16V100
1K
R2733
R2732
2.7K
Q4002
B1BCCG000002
C2731
10V33
0.01
C2732
C2733
10V33
M+9V
-13V
DC18V
DGND
M+9V
1K
R2003
USB-REC-LED
M_GND
1
2
2
CN2813
B1GDCFJJ0047
LED DRIVE
INVERTER
Q2002
1
2
2
CN2812
FL1
FL_DOUT
FL_CS
VOL_LED
FL_CLK
FL2
SW5V
KEY3
MIC_IN
RMT
DVREF
V_JOG_A
KEY1
KEY2
KEY2
HBASS_JOG2
HBASS_JOG1
HBASS_JOG1
HBASS_LED
+9V
-9V
-9V
Q2003
B1GBCFJJ0051
PCONT
C4038
0
AM_BP
SYS6V
SYNC
DC_DET
-VP
R4026
10K
D2900
MA2J1110GL
LED DRIVE
R4024
4.7K
B1ADCE000012
Q4006
6
8
9
7
2
1
1
4
5
3
10
11
ZJ2701*
6
7
5
9
25
24
24
26
21
20
20
22
17
18
13
10
12
11
11
16
14
15
19
23
27
27
8
1
1
3
4
2
CN2807
SYNC
-13V
-13V
PCONT
AM_BP
DC18V
DC18V
DC18V
DC_GND
DC_GND
DC_GND
SYS6V
DC_DET
SYS_GND
-VP
VOL_LED
FL1
SW5V
KEY1
V_JOG_A
-9V
FL_CS
KEY3
MIC
RMT
KEY2
DVREF+
+9V
MIC_GND
DGND
DGND
VREF+
VREF+
STANDBY_LED
STANDBY_LED
LED_GND
FL_DATA
GND
USB REC LED
STANDBY_LED
LED_SUPPLY
HBASS_JOG1
HBASS_LED
HBASS_JOG2
HBASS_JOG2
FL_CLK
FL_GND
FL2
CNVSS
BUSY
VDD
RESET
RXD
TXD
CLK
5
6
6
1
3
4
4
2
8
7
CN2811
RXD
TXD
EFM
CLK
RESET
CNVSS
VCC
BUSY
126
P1
1
2
3
SA-VK680EE MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (5/6)
TO MAIN
SECTION (1/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 8
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AM/FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I
J
L
M
N
P
O
K
C2581
6.3V100
3.9K
R2112
6800P
C2206
6800P
C2106
3.9K
R2212
REC_R
R2337
470K
C2334
1
R2331
0
R2339
1K
R2439
1K
C2331
1
R2333
0
R2338
1K
R2591
330K
3
1
2
D2332
B0ADCC000002
R2586
1.2K
R2587
1.2K
330K
R2584
R2585
330K
REC_LIN
REC_L
R2114
27K
R2284
390
R2285
680
R2184
390
R2274 2.7K
C2583
16V470
C2588
0.01
R2282
0
R2195
10K
390
R2281
C2191
50V3.3
R2196
10K
C2222
0.47
R2113 1.5K
REF_R
1.5K
R2203
C2582
6.3V100
1
C2193
C2192
0.1
0.01
C2212
R2205
3.9K
3.9K
R2105
0.01
C2112
1000P
C2108
R2207
3.9K
R2107
3.9K
R2102
3.9K
R2202
3.9K
1000P
C2208
1000P
C2203
1000P
C2103
0.01
C2273
0.01
C2274
0.47
C2281
D2191
MA2J1110GL
R2193 4.7K
R2194 100K
C2221 0.15
REC_RIN
27K
R2208
1
C2201
1
C2220
R2273 4.7K
C2275 5600P
C2283
0.068
C2282
1
100K
R2283
C2585 220P
C2584 220P
0
R2058
C2035
1
C2034
1
REC_L
R3827
0
R3821
5.6K
0
C3805
MIC_OUT
REC_R
REF_R
PBL
R2181
390
C2183
0.22
R2182
0
R2183
3.3K
C2171
0.1
0.01
C2173
R2163
12K
C2163
3900P
r
R2053
56K
1.5K
R2056
P_GND
C2300
1
C2172
0.1
C2174
0.01
C2175
5600P
R2173 4.7K
R2185
680
R2174 2.7K
0.47
C2181
50V3.3
C3801
R3801
5.6K
C2314
47P
R2312
5.6K
C2313
47P
R3812
0
C2182
1
0
R3807
R2262
5.6K
TUNER_L
TUNER_R
TUNER_R
1.5K
R2101
4.7K
R2104
MPORT_R
MPORT_L
4.7K
R2204
1.5K
R2201
3.9K
R2206
PBR
3.9K
R2106
0.1
C2271
0.1
0
R2404
C2403
1
1
C2102
C2202
C2202
1
AUX_L
AUX_R
AUX_R
1
C2118
1
C2218
1
C2204
1
C2104
C2207
1
53
51 50
52
55
56
54
41
39
37
36
36
38
40
42
46
44
45
48
49
47
43
34
32
33
35
24
21 22
20
23
27 28
25 26
30
31
29
16 17
15
19
18
13
4
3
6
5
1
2
2
9
7
8
8
10
12
11
14
C1BB00001121
IC2803
2.2K
R2111
1
C2107
2.2K
R2211
1
C2111
1
C2211
1
2
5
6
3
4
B1HBECA00004
Q2052
Q2051
B1GDCFJJ0047
R2052
10K
1K
R2051
27K
R2054
R2055
1.5K
DVD+5V
C2051
MUTING CONTROL
MUTING
50V3.3
50V3.3
C3804
C3800
0
R2412
5.6K
R3802
5.6K
1
C3803
3.9K
R3813
6.3V220
C3822
R3804
5.6K
1
C3802
R2415
100
R2416
47K
R2316
47K
1
C2415
USB-REC-L
USB-REC-R
1
C2416
1
C2316
R2315
100
1
C2315
R3814
3.9K
3.3K
R3805
3.3K
R3803
6
7
5
2
4
V-
V-
V+
3
8
1
IC2103
C0ABBB000230
47P
C2414
OP-AMP
C2413
47P
REF_L
+9V
+9V
R2332
33K
C2333 10V33
ASP_DAT
ASP_CLK
R2335
1K
SW5V
LM_L
-9V
MIX_L
MIX_R
[42] L-OUT
NC
NC
VCC
CLK
DATA
TRE-R
R-OUT
ZFLAG
TRE-L
HARMIN
HARMOUT
PRE-VIN-R
HB-MIX-IN
HB-MIX-OUT
[16] GV-OUT-R
REC-R
SUR1
HB-FLT-OUT
SUR2
MID-L1
GV_OUT-L
OP-OUT
REC-L
PRE-VIN-L
HB-ATT-IN
MID-L2
IN-R5
IN-R3
IN-L2
IN-L3
IN-R2
IN-L5
IN-L4
IN-R4
IN-R4
IN-R6
GND
REF-IN
IN-L6
IN-R1
IN-L1
[15] REF-OUT
AUDIO SIGNAL PROCESSOR
[56] OP-IN
T-OUT-L
[27] HB-LPF-OUT
[28] NC
[28] NC
BASS-L2
HB-LPF-IN
T-OUT-R
MID-R1
MID-R2
BASS-R1
POST-VM-R
BASS-R2
[43] POST-VM-L
HB-ATT-OUT
BASS-L1
C2272
C2285
0.22
C2185
0.22
R2336
33K
R2334
100
127
2
P1
3
1
P1
SA-VK680EE MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (4/6)
TO MAIN
SECTION (2/6)
TO MAIN
SECTION (6/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 9
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AM/FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
M
TO
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 15
D-AMP CIRCUIT
(CN5050)
IN SCHEMATIC
DIAGRAM - 15
15
16
17
18
19
20
21
22
23
24
25
26
27
28
R2076
2.2K
1K
R2070
47K
R2303
+9V
R2072
1K
0.01
C2521
47P
C2302
3.9K
R2302
-9V
47P
C2301
6
7
5
2
4
3
8
V+
OP-AMP
V-
1
IC2804
C0AABB000125
3.3K
R2071
C2067
1
R2074
39K
R2081
1K
47K
R2403
47P
C2402
0.01
C2520
3.9K
R2402
C2401
47P
R2073 6.8K
39K
R2075
R2078
0
100P
C2070
C2071
4700P
R2087
330K
C2073
0.01
C2062
0.01
100P
C2063
100K
R2254
R2270
0
R2170
0
R2291
680
R2191
680
R2154
100K
R2253
10K
R2153
10K
R2501
1K
MUTING CONTROL
MUTING
MUTING
C2142
1
R2143 100K
10K
R2245
C2242
1
R2268
18
18
R2269
R2168
18
18
R2169
1
2
5
6
3
4
B1HBECA00004
Q2366
MUTING
1
2
5
6
3
4
B1HBECA00004
Q2730
R2171 3.3K
3.3K
R2271
C2266
1000P
R2266
18
18
R2167
1000P
C2166
18
R2166
18
R2267
B1ABCF000176
Q2142
R2145 10K
R2146
AUTO GAIN CONTROL
AUTO GAIN CONTROL
5.6K
R2246
5.6K
D2241
MA2J1110GL
R2503
27K
R2241
2.7K
C2241
1
1
C2141
R2142 10K
2.7K
R2141
1
2
5
6
3
4
Q2502
B1HBECA00004
56K
R2502
C2501 25V4.7
Q2501
B1GDCFJJ0047
R2252
680
-9V
MUTE_A
-9V
680
R2152
1.5K
R2172
1.5K
R2272
2200P
C2195
100K
R2247
R2248 6.8K
0.12
R2292
C2295 2200P
R2297 4.7K
C2297
0
C2197
0
4.7K
R2299
4.7K
R2199
R2242 10K
100K
R2243
B1ABCF000176
Q2242
4.7K
R2197
R2192 0.12
R2068
4.7K
R2077
1.5K
47P
C2074
3.3K
R2086
C2561
1
C2068
1
C2069
0.47
FRONT_R
FRONT_L
HP_L
HP_R
Q2064
B1GDCFJJ0047
SW_LVL2
SW_LVL1
Q2061
B1ABCF000176
SWITCH
IC2061
C0ABBB000230
OP-AMP
6
7
5
2
4
3
8
V+
V-
1
R2064
R2198
R2298
R2067
C2064
47K
18K
18K
33K
16V10
R2069
0
R_OUT
L_OUT
L_OUT
R_OUT
C2294 50V1
50V1
C2194
PCONT
POWER CONTROL
R2758
2.2K
R2759
2.2K
MUTE_A
F_HOP
SW5V
MA2J1110GL
D2802
FAN
MA2J1110GL
D2801
Q2801
B1ABCF000176
MODE_DA
DC_DET2
6
5
5
8
9
11
12
10
14
15
13
7
2
1
1
4
3
3
17
17
1
16
CN2808
FRONT_R
FRONT_L
FAN
FHOP
DC_DET2
AGND
CENTER
MUTE_S_C
MUTE_F_SW
MOD_DA
AGND
AGND
FRONT_L
AGND
SURROUND_R
SURROUND_L
FRONT_R
SUBWOOFER
SIGNAL_A_GND
Q2062
B1ABCF000176
SWITCH
Q2065
B1ABCF000176
MUTING
Q2063
B1GDCFJJ0047
VOLTAGE LEVEL
CONVERTER
VOLTAGE LEVEL
CONVERTER
128
P1
P1
TO FAN
SA-VK680EE MAIN CIRCUIT
2/6
3/6
5/6
1/6
4/6
6/6
TO MAIN
SECTION (5/6)
TO MAIN
SECTION (3/6)
B
MAIN CIRCUIT
SCHEMATIC DIAGRAM - 10
: AUDIO OUTPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
: AM/FM SIGNAL LINE
: VIDEO OUTPUT SIGNAL LINE
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: CD/DVD VIDEO INPUT SIGNAL LINE
: +B SIGNAL LINE
: -B SIGNAL LINE
K
TO
DECK CIRCUIT
(CN1303)
IN SCHEMATIC
DIAGRAM - 13
DECK CIRCUIT
(CN1303)
IN SCHEMATIC
DIAGRAM - 13
L
TO
DECK MECHANISM CIRCUIT
(CN1304)
IN SCHEMATIC
DIAGRAM - 18
DECK MECHANISM CIRCUIT
(CN1304)
IN SCHEMATIC
DIAGRAM - 18
29
30
31
32
33
34
35
36
37
38
39
40
41
42
I
J
L
M
N
P
O
K
C2948 6.3V220
0
R2940
R2954
10K
C2941 10V33
R2952 100K
D2944
B0BC5R6A0266
R2945 2.2K
C2944 100P
D2947
B0EAKM000117
R2939
C2021 16V10
R2956
10K
10V33
C2945
R2949
47K
5.6K
R2955
R2944 4.7K
100
R2948
R2946
56K
D2943
MA2J1110GL
FAN
M_GND
CD_7.5V
0
C2947 6.3V100
3
1
2
D2946
B0ADCJ000020
R2947
27
R2950
27
DC_DET
1
2
CN2810
-VE
+VE
M+9V
C2949
50V3.3
R6927
4.7K
R6941
12K
C6919
1500P
ECHO CONTROL
ECHO CONTROL
R6925
R6924
15K
C6920
4700P
R6926
C6931
10V33
10V33
C6940
R6942
10K
C6923
560P
R6930
10K
C6927
1500P
R6943
15K
1
C6928
C6933
1
C6921
C6932
0.01
+9V
C6922
0.01
D6930
B0BC5R1A0266
R6922
39
R6921
39
0.1
C6944
0.022
C6937
R6940
10K
MIC_OUT
MUTING
ECHO_MUTE
P_GND
B1GBCFJJ0051
Q6907
C6926
0.22
R6923
15K
C6925
0.22
7
5
6
1
2
4
3
10
12
14
15
16
13
11
8
9
IC6931
ECHO PROCESSOR
C1AB00002773
MIC_IN
ECHO_ 1
Q6906
B1GBCFJJ0051
ECHO_2
R6917
4.7K
R6918
4.7K
C6918
0.068
C6934
10V33
C6924
0.068
R6920
4.7K
B1GBCFJJ0051
Q6908
R6919
1K
C6935
10V33
CC1
CC0
NC
CLK
D_GND
VCC
REF
A_GND
LPF2_IN
OP2_OUT
OP1_IN
OP2_IN
OP1_OUT
LPF2_OUT
LPF1_IN
LPF1_OUT
R1318
10K
R2976
0
C2019
0.01
R1376
4.7K
Q2012
B1GBCFJJ0051
R1320
100K
22K
R1371
7
9
10
8
4
5
5
1
3
2
6
12
12
1
11
CN2751
C2020
0.01
27K
R1344
INVERTER
INVERTER
INVERTER
INVERTER
PL DRIVE
R1343
3.3K
Q1315
B1ACCF000094
10V33
C1326
Q2011
B1GBCFJJ0051
12K
R2753
R1319
12K
R2755
10K
R2756
10K
12K
R2751
22K
R2754
22K
R2752
R1322
82K
Q1307
B1ABCF000176
B1ABCF000176
Q1306
R1321
47
6
8
9
7
2
1
1
4
5
3
10
10
CN2752
REC
REC_LIN
REC_RIN
PBR
PBL
DECK_AD3
DVREF
DECK_AD1
MOTOR_L
PL_L
P_GND
PHOTO
PL
REC
TPS
9V_GND
MOTOR
AF_GND
DGND
NC
REC RIN
REC LIN
PB ROUT
PB LOUT
9V (A9V)
+9V
VREF+
PHOTO
PL GND
VREF-
MOTOR_9V
MODE AN6
HALF AN7
RECINH_R(FORWARD)
RECINH_R(REVERSE)
MOTOR GND
Q2942
B1ACCF000094
FAN DRIVE
Q2943
B1ABCF000176
FAN DRIVE CONTROL
Q2949
B1ABCF000176
DC DETECT
Q2948
B1ABCF000176
DC DETECT
0.1
15K
15K
