Kenwood LZ-800W Service Manual page 20

Monitor
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A
1
2
DC CORD
(E30-4856-15)
D9
Q6
SWITCH
22K
3
22K
D3
5V REG
IC1
13.9V
4.9V
IN OUT
1
3
GND
2
0V
4
R11
15K
R14
Q2
680
Q1
1/2W
5
SWITCH
10K
SWITCH
47K
Q40
5V AVR
5V AVR
6
D38
D37
Q4
Q5
8V AVR
7
CAUTION: For continued safety, replace safety critical components only with manufacturer's recommended
parts (refor to parts list).
current or resistance measurements shall be carried out (exposed parts are acceptably insulated from the
supply circuit) before the appliance is returned to tha customer.
B
CN1
1
2
3
4
5
6
E1
(X25-8630-61)
D1
C1 0.01
C2
SWITCH
2200u16
R34
R37
+
Q7
D8
10K
22K
F2 1A
ACC5V
0V
R2 1K
4.87V
76
76
VO1
R3 1K
4.87V
77
77
VO2
R4 1K
4.84V
78
78
RGB SW
R218 1K
4.88V
79
79
S MUTE
80
4.9V
81
VDD
4.88V
82
PARK
83
84
85
86
87
88
89
R6 1K
0V
90
90
NT PAL
0.19V
91
91
VSYNC
92
93
0V
94
94
TEST
95
96
97
5.12V
98
98
AMUTE
R43
R7 1K
4.9V
99
SCL
5.6K
R42
R8 1K
0V
100
SDA
5.6K
5V
Lch
Rch
REMO
SW5V
DGND
VR
4
3
2
1
AGND
VG
8
7
6
5
VGND
VB
12
11
10
9
R71
470
13
RX
R70
CN3
TX
SYNC
470
NAVI
D18
Indicates safety critical components. To reduce the risk of electric shock, leakage-
C
CN2
CN4
1 2 3 4 5 6 7
2
4
1
3
5
18
R41
100K
IC3
u-COM
12MHz
0V
X1
INVERTER
0V
0V
V5V
9V
R67
C41
1K
2.2u50
+
R242 1K
R69
C43
1K
2.2u50
+
D15
D14
D13
R
G
B
R244
470
40
R243
41
470
D
6
8
10
12
14
16
18
7
9
11
13
15
17
50
49
48
47
4.9V
BPCLK
46
0.05V
SCDATA
45
0.05V
MCDATA
44
0V
SC REQ
43
0V
NAVI CKO
42
0V
NAVI CKI
41
4.87V
TXD
R38 22K
40
0V
RXD
R40 22K
R215 100
39
0V
SCK
R216 100
38
0V
SO
R217 100
37
0.02V
SI
36
4.9V
AVREF1
35
2.37V
COL
34
2.53V
T IN T
33
0V
AVSS
32
31
30
29
28
27
R129
100K
26
1.27V
SMETER
IC4
RESET IC
4
3
4.86V
0V
2
4.88V
5
1
IC24
IC4
5
5.0V
1
VCC
NC
2
IN
4
5.0V
3
GND OUT
IC9
5.04V
1
8
8.8V
INL+
VCC
5.23V
2
IN+
7
4.63V
OUTL
NL
5.04V
3
6
4.66V
INR+
OUTR
NR
5.39V
4
5
0.04V
SVRR
GND
ISOLATION
AMP
E
20
19
47
46
45
44
41
40
39
38
37
35
34
RST
Q8
SWITCH
22K
RST
22K

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