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SA-VK870EE
15
16
17
SCHEMATIC DIAGRAM - 6
B
MAIN CIRCUIT
R2854
47K
R2869
47K
R2843
47K
R2871
47K
R2872
47K
R2873
47K
R2847
22K
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
V_JOG_A
LEVEL SHIFTER
KEY3
R2858
100
KEY2
R2859
100
KEY1
R2860
100
DECK_AD1
R2844
100
VREF+
VDD
LM_L
R2806
R2807
R2805
TO MAIN
R2804
SECTION (1/6)
TO MAIN
SECTION (5/6)
P1
18
19
20
: -B SIGNAL LINE
: DVD VIDEO SIGNAL LINE
: MAIN SIGNAL LINE
: +B SIGNAL LINE
: DVD AUDIO SIGNAL LINE
: AM / FM 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
HP_MUTE
100
82
MUTE_F
100
83
MUTE_S_C
0
84
OPEN
DC_DET1
[51] BASS_1
100
85
MODE
[81] HOME_CR
[52] BASS_2
PCONT/EFP_CE
100
[82] TRAY_CW_H
[53] HBASS LED
86
UD_SENSOR
DCDET2
100
[83] TRAY_CCW_L
87
UNLOAD_SW
100
INNER_SW
EE_DATA
88
89
DVD_REG
EE_CLK
90
MK_IN2
IC2801
EE_CS/EFP/EPM
VOL_JOG
RFKWVK870GC
91
KEY3
MICRO-PROCESSOR
MOD_DA
92
93
KEY2
94
KEY1
DVD_CLK
[99] AVCC
[31] REG1/EFP_TXD1
95
MK_IN1
DVD_STA
[100] NC
[32] REG2/EFP_RXD1
96
AVSS
DVD_CMD
[33] REG3/EFP_SCLK
97
MK_IN2
EFP_BUSY
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
100P
R2801
10K
10K
10K
47K
47K
21
22
23
: TAPE RECORD SIGNAL LINE
: TAPE PLAYBACK SIGNAL LINE
: AUX / MIC / MUSIC PORT SIGNAL LINE
51
R2829
1K
50
R2830
1K
49
R2831
1K
48
R2834
1K
47
46
45
NC
44
43
42
41
NC
40
39
R2880
R2891
NC
38
47K
47K
R2890
0
R2889
1K
37
R2888
1K
36
R2887
1K
35
34
33
R2827
100K
32
31
Q2700
30
B1ACCF000094
POWER SUPPLY
VREF+
B1ACCF000094
POWER SUPPLY
C2016
220P
X2802
H2B100500004
2
C2015
220P
3
1
Q2701
B1GBCFJN0033
C2025
POWER CONTROL
220P
VREF-
X2801
R2886
L2600
H0A327200115
VDD
1M
G0C3R3JA0027
C2024
R2882
220P
10M
C2600
Q2605
50V2.2
B1GBCFLL0037
RESET
D2601
B0ACCK000005
108
24
25
26
HP_MUTE
MUTE_F
MUTE_S_C
DC_DET
DC_DET2
MODE_DA
DVD_CLK
DVD_STAT
DVD_CMD
1
NC
NC
8
D2700
B0ACCE000003
2
VCC
GND
7
3
EE_CS
EE_DO
6
Q2702
R2878
4.7K
4
EE_CLK
EE_DAT
5
IC2802
EEPROM
(NOT SUPPLIED)
Q4006
B1ADCF000001
D2900
D2602
B0ACCK000005
B0ACCE000003
LED DRIVE
STANDBY_LED
D2603
B0ACCE000003
C4039
16V1000
C4038
50V1
Q4005
B1ABCF000176
LED DRIVE CONTROL
1/6
2/6
4/6
5/6
27
28
CN2811
RESET
1
RESET
CNVSS
2
CNVSS
VDD
3
VCC
BUSY
4
BUSY
FOR SOFTWARE
5
EFM
CLK
6
CLK
RXD
RXD
7
TXD
8
TXD
TO MAIN
SECTION (3/6)
PCONT
VREF+
DGND
P1
3/6
6/6
SA-VK870EE
MAIN CIRCUIT
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