Panasonic SA-VK480EE Service Manual page 122

15 16 17
SCHEMATIC DIAGRAM - 6
: +B SIGNAL LINE
B MAIN CIRCUIT
: -B SIGNAL LINE
P1
R2854 47K
R2869 47K
R2843 47K
R2871 47K
R2872 47K
R2873 47K
R2847 2.2K
R2870 47K
HOME_SW R2838
TRAY_CW_H R2820
TRAY_CCW_L
R2821
OPEN R2840
MODE R2850
UD_SENSOR
R2851
OPEN_SW
R2852
INNER_SW
R2884
Q2800
B1GBCFJJ0051
PHOTO
LEVEL SHIFTER
V_JOG_A
KEY3
R2858 100
KEY2
R2859 100
KEY1 R2860 100
DECK_AD1
R2844 100
DECK_AD3
VREF+
VDD
LM_L
R2806
R2807
R2805
TO MAIN
R2804
SECTION (1/6)
TO MAIN
SECTION (5/6)
18 19 20
: CD/DVD/TAPE AUDIO INPUT SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE
: AUX/MIC/MUSIC PORT AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
R2879 47K
R2864 47K
R2865 47K
R2866 47K
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
100
81
100
82
100
83 DC_DET2
100
84 OPEN DC_DET1
[51] BASS_1
100
85 MODE [81] HOME_CR [52] BASS_2 PCONT
100
[82] TRAY_CW_H
86 UD_SENSOR [53] H.BASS LED SW_2
100 [83] TRAY_CCW_L
[54] VOL LED
87 UNLOAD SW SW_1
100
INNER_SW EE_DATA
88
89 DVD_REG EE_CLK
90 MK_IN2 IC2801 EE_CS/EFP/EPM
VOL_JOG RFKWMVK480GC MUTE_A
91
92 KEY3 MICRO PROCESSOR MOD_DA
93 KEY2 MODEL_SELECT
KEY1 DVD_CLK
94
[99] AVCC [31] REG1/EFP_TxDI
95 MK_IN1 DVD_STA
[100] NC [32] REG2/EFP_RxDI
AVSS DVD_CMD
96
[33] REG3/EFP_SCLK
MK_IN3 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
C2812
0.01
R2801
10K 10K
10K
47K
47K
21 22 23
: VIDEO OUTPUT SIGNAL LINE
: AM/FM SIGNAL LINE
51
NC 50
NC 49
48
R2834 1K
47
46
45
44
43
42
41
40
39
R2891
R2880
38
47K 47K
R2890 0 R2889 1K
37
R2888 1K
36
R2887 1K
35
34
33
R2827 1K
32
31
30
VREF+
B1ACCF000094
X2802
H2B100500004
2
3 1 Q2701
B1GBCFJN0033
POWER CONTROL
X2801
R2886
L2600
H0A327200097
1M
G0C3R3JA0027
R2882
10M
C2600
Q2600
50V3.3
B1GBCFLL0037
RESET
D2600
MA2J1110GL
122
24 25 26
1 NC NC 8
2 VCC GND 7
3 EE_CS EE_DO 6
Q2702
R2878
4.7K
EE_CLK EE_DAT
4 5
POWER SUPPLY
IC2802
RFKWEVK480GC
EEPROM
1
3
2
D2700
B0ADCJ000020
D2603
MA2J1110GL
C4039
6.3V330
1/6 2/6 3/6
4/6 5/6 6/6
SA-VK480EE MAIN CIRCUIT
27 28
P1
DC_DET2
DC_DET
PCONT
MUTE_A
MODE_DA
DVD_CLK
DVD_STAT
DVD_CMD
VREF+
DGND
SYS6V
TO MAIN
SECTION (3/6)