Main Circuit - Panasonic SA-VK460GS Service Manual

18.2. (B) Main Circuit
1 2 3
SCHEMATIC DIAGRAM - 5
A
B

MAIN CIRCUIT

: +B SIGNAL LINE
B
R2854
DVREF+ 47K
R2869 47K
C2861 100P
R2870 47K
R2871 47K C2860
100P
R2872 47K
R2873
47K
R2884 47K
C
HOME_SW R2838 100
CAM_SENSOR R2839
100
PLUNGER R2840
W2003 0 0
BUTTON_SW W2002 0 R2849 100
PLAY_SW R2850 100
UD_SENSOR R2851
100
OPEN_SW R2852
100
R2874
10K...GC/GS
3.3K...GCS/GCT
D
DECK2 R2863 100
KEY3 R2858 100
KEY2 R2859 100
100
KEY1 R2860
PHOTO_2
R2861 100
R2875 W2825
0
10K
PHOTO_1
R2862 100
VREF+
VCC
E
W2835
0
WIDE_1 R2856 1K
DVD_PCON R2895 100
DVD_MUTE R2894 1K
VCC
F
D2801
B0ACEL000004
G
TO MAIN
H
SECTION (3/4)
4 5 6
: -B SIGNAL LINE : MAIN SIGNAL LINE
C2862 100P
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
81
82
83
84 BOTTOM_SW DC_DET
PLAY_SW [81]HOME [50]MIC_LVL1 PCONT/EFP_CE
85
[49]LED2
[82]CAM_SENSOR
86 UD_SENSOR SW_LVL2
[48]LED1
[83]PLUNGER
87 OPEN_SW SW_LVL1
NC EE_DATA
88
IC2801
89 DVD_REG EE_CLK
C2CBYY000469
90 NC EE_CS / EFP / EPM
MICROPROCESSOR
DECK2 MUTE_A
91
92 KEY3 MUTE_D
[99]AVCC
[33]REG3 / EFP_SCLK
93 KEY2 NC
[100]NC [32]REG2 / EFP_RxD1
KEY1 DVD_CLK
94
[31]REG1 / EFP_TxD1
95 PHOTO_2 DVD_STA
96 AVSS DVD_CMD
PHOTO_1 EFP_BUSY
97
98 VREF
99
100
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
R2801
10K
R2813
10
D2802
B0ADCJ000020
3
W2972
0
Q2806
2 1
W2913
0
C2857
50V3.3
D2804
B0ACEL000004
W2961
0
Q2806
W2962
B1GBCFLL0037
0
RESET
7 8 9
: MIC / MUSIC PORT SIGNAL LINE
R2931 0
R2932 0
GND1
CD_8V
HOME_SW
OPEN_SW
CAM_SENSOR
MIC_LVL1
SW5V
LED_CTRL2
LED_CTRL1
R2834 1K DC_DET
PLAY_SW
PCONT
UD_SENSOR
BUTTON_SW
VREF+
IC2802
EEPROM
(NOT SUPPLIED)
50
1 NC NC 8
49
C2831
0.022
48
2 VCC GND 7
47
R2878 C2981
46 4.7K 16V100
3 EE_CS EE_DO 6
45 MOT10V
44
PLUNGER
4 EE_CLK EE_DAT 5
43
42
R2877
41
22K
40
MUTE_A
39 R2876
22K MUTE_D
38
37 DVD_CLK
R2890 0 R2889 1K
36 R2888 DVD_STAT
1K
DVD_CMD
35 R2887 1K
W2912 SYS6V
34
0
R2828 10K
PCONT
33
SYNC
32
R2826 10K SW5V
31
VREF+
RMT
PHOTO_1
PHOTO_2
KEY1
KEY2
KEY3
DECK2
FL_CLK
2
FL_DOUT
FL_CS
3 1
V_JOG_A
R2804 47K
X2802
V_JOG_B
H2B100500004
R2805 47K ECHO_1
ECHO_2
R2886 1M
R2807 10K
ECHO_3
10K
R2806 ECHO_MUTE
PGND
X2801
H0A327200115 MOT10V
PLG2
PLG1
R2882
MODE_1
10M
HALF_1
DVREF+
83
10 11 12
C2982
16V220
CN2805
-9V
14 CCW
LED_CTRL1
13 CW LED_CTRL2
12 P_GND
MIC_LVL1
CD_8V
11
MIC_LVL2
R2934 0
10
HOME_SW MPORT_L
R2935 0
9 ST_SW
R2936 0
8 OPEN_SW
MPORT_R
TO CRS1D (CN1)
R2937 0
7 CAM_SENSOR MPORT_GND
R2938 0
6 SW5V
+9V
5 D_GND
MIC_GND
R2940 0
4 PLAY_SW MIC_IN
R2942
3 PLUNGER
HP_GND
0
2 UD_SENSOR
HP_L
R2943 0
1 BUTTOM_SW
HP_R
D2912
B0EAKM000117
Q2913
B1GBCFJJ0051
Q2914
PLUNGER ON/OFF SWITCH
B1ACKD000006
SUPPLY CONTROL SWITCH
R2950
1K
R2941
10K
W2842
0
CN2807
1
R2001 0
30 SYS6V
R2002 0
SW5V
29 PCONT
R2003 0
-9V
28 SYNC
+9V
27 SW5V
MOT10V
26 D_GND
25 VREF+
MUTE_A
24 RMT
PCONT
23 PHOTO1
CD_8V
22 PHOTO2
21 KEY1
20 KEY2
KEY3 SUB+B_GND
19
18 DECK2 GND1
C
TO
17 FL_CLK PGND
PANEL CIRCUIT
FL_DOUT
16
(CN6807)
15 FL_CS
IN SCHEMATIC
14 FL_RST
DIAGRAM - 10
V_JOG_A
13
12 V_JOG_B
11 ECHO_1
10 ECHO_2
|RESET
9 ECHO_3
CNVSS
8 ECHO_MUTE
VCC
7 PGND
BUSY W2911
6 MOT10V
5 PLG2
CLK
4 PLG1
RXD
3 MODE_PB
TXD
2 HALF_PB
1 DVREF+
30
W2863
0
1/4 2/4
3/4 4/4
SA-VK460GC/GCS/GCT/GS MAIN CIRCUIT
SA-VK460GC / SA-VK460GS / SA-VK460GCS / SA-VK460GCT
13 14
CN2806
W2001 0 1
1 -9V
R2009 0
2 LED_CTRL1
R2008 0
LED_CTRL2
3
R2005 0
4 MIC_LVL1
R2004 0
5 MIC_LVL2
6 MPORT_L
C
7 MPORT_GND
TO
8 MPORT_R PANEL CIRCUIT
9 MPORT_GND (CN6806)
IN SCHEMATIC
10 +9V
W2000 0 DIAGRAM - 10
MIC_GND
11
R2007 0
12 MIC
13 HP_GND
HP_L
14
15 HP_GND
16 HP_R
16
B1
CN2808
12 SW5V
11 -9V
10 +9V
H
9 MOTOR10V
TO
8 NC
D-AMP CIRCUIT
R2991 0
7 MUTE_A
(CN5103)
6 PCON IN SCHEMATIC
5 CD8V DIAGRAM - 14
4 NC
W2834
(GND2)
0 3 uP_GND
2 FL_GND (GND4)
1 PGND (GND1)
CN2811
1 RESET
2 CNVSS
3 VCC
0
BUSY
4
FOR SOFTWARE
5 EFM
6 CLK
7 RXD
8 TXD
TO MAIN
SECTION (2/4)