Panasonic SA-VK880EE-K Service Manual page 128

15 16 17 18
SCHEMATIC DIAGRAM - 6
: +B SIGNAL LINE
B MAIN CIRCUIT
: -B SIGNAL LINE
4
P1
R2854 47K
R2869 47K
R2843 47K
R2866 47K
47K
R2879
R2871 47K
47K
R2865
47K
R2864
R2872 47K
R2873 47K
R2847 22K
R2870 47K
INNER_SW
Q2800
B1GBCFJJ0051
80 79 78 77 76 75
LEVEL SHIFTER
HOME_SW R2838 10
81
TRAY_CW_H
R2820 10
82
TRAY_CCW_L R2821 10
83
OPEN R2840 0
84 OPEN
MODE R2850 10
85 MODE
UD_SENSOR
R2851 10
86 UD_SENSOR [81]HOME_CR
OPEN_SW R2852 10
[82]TRAY_CW_H
87 UNLOAD SW
R2884 10 [83]TRAY_CCW_L
88 INNER_SW
89 DVD_REG
PHOTO
90 PHOTO
V_JOG_A
91 VOL_JOG
KEY3 R2858 10
92 KEY3
KEY2 R2859 10
93 KEY2
KEY1 10
R2860
94 KEY1
[1]LM
DECK_AD1
R2844 100
95 MK_IN1
R2875
96 AVSS
10K
DECK_AD3
97 MK_IN3
VREF+
98 VREF
VDD
99 AVCC
100 NC
1 2 3 4 5 6
C2812
0.01
DGND
LM_L
R2806 10K
R2807 10K
R2805 47K
TO MAIN
SECTION (1/6)
R2804 47K
19 20 21
: 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
Q2051
B1GDCFJJ0047
MUTING CONTROL
74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51
50
49
48
R2834
DCDET1 47
PCONT 46
[48]MUTE_S_C DCDET2 45
[49]MUTE_F
NC 44
[50]HP_MUTE
EE_DAT 43
IC2801
EE_CLK 42
RFKWMVK880GC
EE_CS/EFP/EPM 41
MICRO PROCESSOR MUTE_A 40
MODE_DA 39
MODEL_SELECT 38
R2890 0
DVD_CLK 37
[29]PLL DATA
[30]PLL CLK
DVD_STA 36
[31]REG1/EFP_TxDI
DVD_CMD 35
[32]REG2/EFP_RxDI
[33]REG3/EFP_SCLK EFP_BUSY 34
33
32
31
7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
2
3
X2802
C2024
H2B100500004
220P
R2886
C2025
R2883
220P
330
H0A327200097
R2882
22 23 24
: VIDEO OUTPUT SIGNAL LINE
: AM/FM SIGNAL LINE
Q2605
B1GBCFLL0037
RESET
C2051
50V3.3
R2051
C2600
1K 1 2 3 50V3.3
Q2052
B1HBECA00004
D2601
MUTING
MA2J1110GL
6 5 4
R2056
1.5K
R2053
56K
1K
R2880 R2891
47K 47K
R2889 1K
R2888 1K
R2887 1K
R2827 10K
VREF+
Q2702
D2702
B1ACCF000094
B0ADCJ000020
POWER SUPPLY
2
1
R2703
R2702
1 1.8K
1.8K
Q2701
B1GBCFJN0033
1M
POWER CONTROL
L2600
G0C3R3JA0027
X2801
10M
D2603
MA2J1110GL
C4039
6.3V330
TO MAIN
SECTION (5/6)
128
25 26 27
DGND
DC_DET
PCONT
DC_DET2
TO MAIN
VREF+ SECTION (3/6)
MODE_DA
DVD_CLK
DVD_STAT
DVD_CMD
IC2802
RFKWEVK880GC
EEPROM
1 8
NC NC
2 7
VCC GND
3 6
EE_CS EE_DO
R2878
4.7K
3
4 EE_CLK EE_DAT 5
SYS_GND
STANDBY_LED
R4026 Q4006
D2900
10K
MA2J1110GL
B1ADCE000012
LED DRIVE
R4024
4.7K
1/6 2/6 3/6
4/6 5/6 6/6
SA-VK880EE MAIN
28
P1
CIRCUIT