Kenwood KOS-V1000 Service Manual page 24

A
KOS-V1000/V500
1
(X14-982x-xx)
2
C326
0.1
D301
Q300
Q301
C302
3
0.1
IC300
3 2 3.3V
NC VDD
4 1
VSS OUT
0V 3.3V
RST
ROM
CORRECTION
C305 0.01
IC302
4
1 8
A0 VCC
2 7
A1 WP
3 6
A2 SCL
4 5
GND SDA
C306 0.01
3.3V
IC301
1 8
A0 VCC
2 7 0V
R319
A1 WP
4.7K
3 6
A2 SCL
4 5
GND SDA
R313
3.3V
4.7K
0V
0.3V
3.3V
0.3V
5
MEMORY
SW5V-2
6
C312 C314 C317
100u25 10u50 100u25
+ +
C313 C315 C316
0.1 0.1
2 4 6 8
1 3 5 7 9
CN301
7
24
X14-982x-xx (1/10)
B
R309
10K
C324
100u50
+
C300
0.1
C301
0.01
3.3V 1
AVREF0
2
AVSS
3
VMUTE
4
TP331
N.C
3.3V 5
AVREF1
6
N.C
7
CIR BU DET
R320
8
FLMDO
47K 3.3V 9
VDD
C307 C322
10
REGC
0.01 4.7
11
VSS
X300
4.950MHz
12
X1
R321
75
13
X2
R381
14
RESET
C323 1K
0.01
C303 15
XT1
22P
X301
32.768kHz
C304 R382
16
XT2
22P 0
17
PANEL DET
R312
4.7K 18
VSY VD
19
BU DET
R314 100 20
20 OSD MODE
21
ACC DET
R315 100
22
22 r CS
4 R316 100 23
23 r DATA
R317 100 24
24 r CLK
R318 100 25
25 CIR TX
3
3
4
4
3
4
4
5
C318
10u50
+
+
C319 C327
C325
0.1 0.1
0.1 0.1
10 12 14 16 18 20 22 24 26
11 13 15 17 19 21 23 25
C
1
2
3
IC303
SYSTEM u-COM
C308
0.1
4
BU3.3V
3
SW5V-2
4
C328
0.1
28 30 32 34 36 38 40 42
27 29 31 33 35 37 39 41 43
AV MODULE
X88-
A 2/2
CN328
D
3
TP318
75
SYNC SEL
74
N.C
73
N.C
72 TP329
TL DET/RGB OUT MUTE
71 TP302
WRT E2P
70 3.3V
BVDD
69
BVSS
68
REMO POWSW
67
N C
66
N.C
65
R341
N.C
100
64
NTSC PAL
R305 10K
63
TYPE2
R308 10K
62
TYPE1
61
N.C
60 R342 100
SYS ON
59 R343 100
SYS MREQ
58
MON POWER
TP301
57
TYPE3
56
SYS SREQ
R345 100
55
SYS CLK
R346 100
54
SYS MDATA
53
SYS SDATA
R392
52
PLL CLK
51 0
PLL MDATA
8
39 9
HSY
VSY
M-V5V
5
20
6
C320
47u25
+
C321
0.1
44 46 48 50 52 54 56 58
45 47 49 51 53 55 57
E
94
1
2
3
78
1
2
3
R396
75
100
72
R350 C309
47K 0.1
R421
22K
64
1
2
3
60
59
R348 47K
R344 100
58
R389 47K
R388 47K
R349 47K
56
55
54
R347 3K
1
D302
2
53
3
8
52
51
D
3
E
4
8
4
3
3
7
5
SW5V-
ESD3
GND
5
6
60
59
5
6