Main Circuit - Panasonic SA-VK480EE Service Manual

18.2. Main Circuit

1 2 3
SCHEMATIC DIAGRAM - 5
A
B
MAIN CIRCUIT
B
JK2801
DIGITAL OUT
2
(COAXIAL)
1
C
JK2001
1
COMPONENT
VIDEO OUT
[PB]
2
D
VIDEO OUT
3
CHASSIS GND 7
C2000
0
4
[PR]
5
COMPONENT
VIDEO OUT
[Y]
E
6
G1 G2
SEL 1
SCL 2
F
SDA 3
TUN 4
LCH 5
TN2802*
J3CCBB000010
STEREO 6
TUNER PACK
RCH 7
NC 8
G
VCC 9
GND 10
C2804
G3
0.1
K2802
0
4
R2216
8.2K
3
C2216 C2217
JK2802
100P 100P
AUX IN
C2116 C2117
100P 100P
H
2
R2116
8.2K
1
4 5 6
: +B SIGNAL LINE : CD/DVD/TAPE AUDIO INPUT SIGNAL LINE
: -B SIGNAL LINE : AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE
R2970
10K
R2971
C2979
10V33 75
Q2980
B1ABCF000176 R2972 3
220
BUFFER
2
1
R2975 R2974
1K 1K
C2980 C2975
56P
10V33
L2909
J0JBC0000019 R2973
L2913
1.2K
G0A100G00005
C2978
0.1
L2905 R2987
0 0
CRSAG
17
R2903 C2924
L2004
75 6.3V330
J0JBC0000015
CROUT
18
R2904 GND2
L2005 19
75
J0JBC0000015
CBSAG
20
C2923
6.3V330
L2001 R2905
21 CBOUT
J0JBC0000015 75
GND2
22
CYSAG
23
C2913 24 CYOUT
100P
GND2
25
L2003 R2906 C2922 26 YSAG
75 6.3V1000
J0JBC0000015
YOUT
27
GND2
28
VSAG
29
C2919
6.3V1000
30 VOUT
L2552
SDCOUT
31
G0C220JA0055
+9V
32 COUT
PLLCK
PLLDA
ST/DO
C9ZB00000461
SD
VIDEO DRIVER
R2109
0
TUNER_L
C2032 C2109
4700P
0.01
R2209
C2209
0
4700P
TUNER_R
Q2005
B1ADCE000012
SWITCH
AUX_R
Q2004
R2217 2SD0601AHL
6.8K
SWITCH
R2117
6.8K
AUX_L
7 8 9
: CD/DVD VIDEO INPUT SIGNAL LINE : VIDEO OUTPUT SIGNAL LINE
: AUDIO OUTPUT SIGNAL LINE : AM/FM SIGNAL LINE
Z2050
L4002
G0A200D00002
PY
L2900
G0C220JA0055
CB
CR
YIN
VCC2
16
C2907
1
CR
CRIN CIN
15
G0A200D00002
MUTE2
14
C2908
MIX_L
1
CB
CBIN 13
MIX_R
GND 12
C2909
1
PY
CYIN
11
SEL
10
C2902
C2920
10V33 0.47
BIAS 9
YIN
YIN
8
C2910
J0JKB0000020
1
DVD+5V
SEL 7
CVIN 6
USB-REC-R
MUTE1 5
C2911
USB-REC-L
0.01
CIN
CIN
4
D+2.7V
S2 3
P_GND
S1
2
C2900
6.3V1000
VCC1 1
M+9V
M_GND
IC2900
L2811
J0JBC0000019
OPEN_SW
ZFLAG
L2808
J0JBC0000019
DVD_MUTE
INNER_SW
Q2912
DVD_CLK
B1GBCFJN0033
DVD_CMD
INVERTER
DVD_STAT
LDIN
C2029
10V33
C2028
10V33
1 VIN VOUT 5
IC2002
2 VSS C0CBCBC00140
VOLTAGE REGULATOR
3 ON/OFF NC 4
PCONT
TRAY_CCW_L
TRAY_CW_H
121
10 11 12
CN2801
1
50 PY/Y/G
49 VGND
48 CB/PB/B
47 VGND
46 CR/PR/R
45 VGND
44 Y
43 VGND
42 C
L4005
41 VGND
40 ADAC5V
39 MIXL
38 D+5V
37 MIXR
36 ADACGND
C2807
35 FL
0.01
34 ADACGND
33 FR
32 ADACGND
31 SL
30 ADACGND
C2806
29 SR
0.01
28 D+5V A
TO
L2901
27 CENTER
DVD MODULE
26 D+5V
CIRCUIT
25 SUBW
(FP8101)
24 D+5V
IN SCHEMATIC
23 ARCH
DIAGRAM - 2
22 DGND
21 ALCH
20 DGND
19 D+2.7V
18 DGND
17 D+2.7V
16 DGND
15 M+9V
14 MGND
13 M+9V
12 MGND
11 ZFLAG
10 NSW6V
9 A.DIGITAL
8 OPEN_SW
C2801 0.1
7 CECIN
6 CECOUT
L2804
J0JBC0000019 5 LDIN
4 INNER_SW
3 DSPCLK
2 CMD
1 STATUS
50
1/6 2/6
TO MAIN
SECTION (4/6)
4/6 5/6
13 14
P1
TO MAIN
SECTION (2/6)
3/6
6/6
SA-VK480EE MAIN CIRCUIT