Kenwood KVT-910DVD Service Manual page 66

DR DS DT DU
1
(X14-634X-XX) (A/2)
"H" ITALY
"L" ENGLISH
J200
D229
GND 1
BU 2
BUS- 3 BUS-
BUS+ 4 BUS+
2
R219 1K
BUSOFF 5
R220 1K
BUSON 6
X25-A/2
-J300
R221 1K
RST 7
2/4
ILLUM 8 Q217
R222 1K
MUTE 9
D
NC 10
F/L 11
R/L 12 47K
F&R G 13
F/R 14 47K
Q218
R/R 15 C392
4.7u25
Rch 16 4
+
R226
AGND 17
4.7K
Q219
DVD C393
MECHA 4.7u25
Lch 18 3
X37-1010-02 +
(CN20)
7
CN1
1 1 2 2
LRCK 1
3 3 4 4
30
3 5 5 6 6
SDATA 2 27
7 7 8 8
F HDINT 3 42
9 9 10 10
GND 4
11 11 12 12
GND 5
13 13 14 14
BCK 6 29
15 15 16 16
HDB0 7 47
17 17 18 18
DEEMPH 8 94
19 19 20 20
HDB1 9 46
21 21 22 22
MRST 10 84
23 23 24 24
HDB2 11 44
25 25 26 26
IF SEL 12 92
27 27 28 28
HDB3 13 43
29 29 30 30
F REQ 14 86
31 31 32 32
HDB4 15 41
33 33 34 34
F DATA 16 48
35 35 36 36
HDB5 17 40
37 37 38 38
B DATA 18 47
39 39 40 40
HDB6 19 38
41 41 42 42
B CLK 20 46
43 43 44 44
HDB7 21 37
45 45 46 46
B REQ 22 107
47 47 48 48
GND 23
49 49 50 50
5V 24
51 51 52 52
4 HDB8 25 32
53 53 54 54 CP2
GND 26
55 55 56 56 10K
57 57 58 58
HDB9 27
59 59 60 60
AUDIO Lch 28
HDB10 29
AGND 30
X14-6340-00 HDB11 31
(CN1)
AUDIO Rch 32
HDB12 33
59 1 2 60
AMUTE 34 98
57 3 4 58
HDB13 35
55 5 6 56
HREST 36
53 7 8 54
HDB14 37 CP27
51 9 10 52
DASP 38 10K
49 11 12 50
HDB15 39
47 13 14 48
PDIAG 40
45 15 16 46 GND 41
43 17 18 44 DMACK 42
41 19 20 42 INTRQ 43
39 21 22 40 DMARQ 44 33
37 23 24 38 10CS16 45
35 25 26 36 CS3FX 46
33 27 28 34 10RDY 47
5 31 29 30 32 CS1FX 48
29 31 32 30 GND 49
27 33 34 28 GND 50
X25-A/2 25 35 36 26 GND 51
-J704
23 37 38 24 HA2 52
2/4 21 39 40 22 GND 53
19 41 42 20 HA1 54
17 43 44 18 6.5V 55
B
15 45 46 16 HA0 56
13 47 48 14 6.5V 57
X25-A/2
-J707 11 49 50 12
9 51 52 10
2/4 7 53 54 8
5 55 56 6 DIOR 58 35
C 3 57 58 4 6.5V 59
1 59 60 2 DIOW 60 36
6
CAUTION : For continued safety, replace safety critical components only with manufacturer's recommended parts (refer to parts list).
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or resistance measurements shall be carried out
!
7
(exposed parts are acceptably insulated from the supply circuit) before the appliance is returned to the customer.
• DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to variations between individual instruments
or/and units.
DV DW DX DY
S200
R203
1K
83
R218
1K
R217 89
63 L10
1K Q213
Q215
C19
47K 4.7u10
64
+
47K
IC6 SDRAM
Q216
Q214 3.3V 1 3.3V 50 0V C28
VCC VSS 4.7u10
47K 2 0V 49
12 DQ0 DQ15 129 +
65 3 48 C29
47K C20 11 DQ1 DQ14 130 C164
0.1 0V 4 0.1
VSSQ 47 0V 0.1
5 VSSQ
R224 C21 10 DQ2 46
1000P 6 DQ13 136
R223 1K 9 DQ3 45
DQ12 138
1K 3.3V 7 44 3.3V
VCCQ VCCQ
37 8 43
7 DQ4 DQ11 139
28 C22 9 42 C165 C167
0.1 6 DQ5 DQ10 140 1000P 1
0V 10 41 0V 1000P NC
VSSQ VSSQ C84 2
11 40 NC
5 DQ6 DQ9 142 1000P 0V 3 3.3V
12 39 VSS 0V
Q221 4 DQ7 DQ8 143 CP33 22
3.3V 13 3.3V 38
47K VCCQ 0V VCCQ 4 4 SBD7
37 3.3V
29 14 DQML DU 5 5 SBD6
Q220 3.3V 36 6
47K 15 0V DQMU 168 6 SBD5
167 ME 35 7 3.3V
47K 81MHz CLK 7 SBD4
16 34 0V
166 CAS CRE 3.3V 8
47K 17 3.3V 33 VDD
164 RAS DU CP34 22
0V 32
18 A9 146 9
163 CS 31 9 SBD3
19 A8 147 10
160 A11 30 10 SBD2
20 A7 148 11
159 A10 29 11 SBD1
21 A6 150 12 3.3V
158 A0 28 C42 12 SBD0 0V
22 A5 151 0.1 0V 13
156 A1 27 VSS
23 A4 152 14
155 A2 3.3V 26 14 CH DATA0
24 VSS 15
154 A3 0V 15 CH DATA1
25 0V 16
VCC 16 CH DATA2
3.3V 17
17 CH DATA3
18
18 CH DATA4
19
19 CH DATA5
20
20 CH DATA6
21 3.3V
21 CH DATA7 0V
0V 22
VSS
23 3.3V
32 23 TOSn 0V
2.5V 24
VDD2
25
C49 NC
0.1 26 3.3V
26 ERRORn 0V
3.3V 27
VDD
27MHz 4.2336MHz 28 3.3V
IC7 28 AVALIDn 0V
4.2336MHz R47 3.3V 29
C50 VVALIDn
8 7 0V 0.1 10K
2Q GND 30 4.2336MHz
9 6 30 DCK
2Q 1Q 27MHz R48 3.3V 31
3.3V 10 5 VREQn
2PR 1Q 10K
11 4 3.3V
2CK 1PR 4.2336MHz 32 3.3V
C24 12 3 32 AREQn 0V
0.1 2D 1CK R16 150 33
3.3V 13 2 VDD2
2CLR 1D 2.5V 34
R45 3.3V 14 VCC 1CLR 1 3.3V VDD2
IC1 BUFF 0V 35
4.7K VSS
C14 CP5 C53 36 3.3V
10K 36 A8 0V
0V 1 10u16 16.9344 LEVEL CHANGE 0.1 37
1G 14 5.0V MHz IC4 16.9344 37 A7
2 VCC + MHz 38
1A 13 5.0V Q4 0V 25 24 0V 38 A6
3 5V 4G 3OE 4OE 39
1Y 12 0V 39 A5 3.3V
0V 4A 26 5V 23 R18 40
0V 4 11 4A4 0V 4Y4 110 40 A4 0V
2G 4Y 27 22 150 41
5 10 5.0V 27 4A3 4Y3 111 41 A3 27MHz
2A 3G 0V 28 2.1168 21 0V 3.3V 3.3V 42 3.3V 3.3V
6 GND MHz GND 0V VDD
2Y 44.1KHz C7 29 20 C56 43 0V 0V
9 0V 0.1 29 4A2 4Y2 108 NC
3A 3.3V 30 19 0.1 44
0V 7 8 30 4A1 44.1KHz 4Y1 109 NC
GND 3Y 31 18 3.3V
C5 VCC VCC
32 5V 17
10u16 32 3A4 0V 3Y4 26
33 16 C17 CP25
+ 33 3A3 3Y3 28 10K
C25 47P IC3 PLL 0V 34 15 0V 0.1
GND GND
35 14
R120 100 1 16 5.0V 35 3A2 3Y2 23
REF VDD 36 13
36 3A1 3Y1
44.1kHz 4.2336MHz
C9 R8 1.5K 5.0V 2 4.2336MHz
CD 37 12
47P 5.0V 3 37 2A4 2Y4 21
VDDA 15 38 11
LOCK 38 2A3 2Y3 20
14 5.0V 0V 39 10 0V
5.0V 4 S2 GND GND
AMP1 13 5.0V 40 9
S1 3.3V 40 2A2 2Y2 19
C10 0.01 12 5.0V 41 8
M2 41 2A1 2Y1 18
11 5.0V 42 7 3.3V
R4 C11 M1 VCC VCC
100 0.47 5.0V 5 43 6 C13 CP26
AMP0 16.9344 43 1A4 1Y4 17
0V 6 MHz C6 44 5 0.1 10K
VSSA 44 1A3 1Y3 16
0V 7 10 4.7u10 45 4 0V
XI CX0 + GND GND
46 3
8 9 0V 0V 46 1A2 5V 1Y2 15
XO VSS 47 2
47 1A1 0V 1Y1 14
48 3.3V 1 CP3 CP4
2OE 0V 1OE 10K 10K
R121
4.7
3.3V
91
DZ EA EB EC
R68 5.0V IC17
NOR 5V AVR
4.7 3 1 0V
L14 VOUT GND
IC26
VIN
C27 5V 2 C104
0V 5.0V 1 8 5.0V 0.1
10 1A VCC 8.0V
2 7
C26 1B 5V 1Y
3 2Y 2B 6
0.1 0V
0V 4 GND 2A 5
IC12 IC20
14.0V 3
AUDIO VOUT
DAC 5V
1 24 0V GND
MCK0 DZP
IC8 R50 47 2 5V 23 2
112 NC 0V FLT
5.0V 3 22 5.0V
DVDD AVDD
0V
0V
2.5V AVR 21
4 AVSS
DVSS 2.5V C99 390P
2.1168/ 16.9344/
18.43MHz 20 R74 R77
2.304MHz VCOM
5 19 C88 4.7u25 10K 10K
132 3.3V 113 MCK1 AOUTL
NC 0V 6 18 +
3.3V 3.3V 131 115 BICK AOUTR R72 R79
0V 0V 3.3V NC 7 3.3V 120K 510
0V 130 117 SDT1 0V 1V
SBD14 8
81MHz 129 116 LRCK
SBD15 5V
VDD 128 3.3V 44.1/48 17 0V
3.3V 0V KHz CAD1
0V 9 16 0V
127 108 PD CAD0
PREQn 5.0V 10 15 R73 R76
CS 120 120K 510
126 0V C39 11 14
SCAN TE 44 SCL TTL
125 3.3V 0.1 12 3.3V 13 R78
ZTEST 45 SDA 0V TST 10K
124 0V
TM0
123 0V 5.0V
TM1
122
AUDIO SYNC 3.3V
121 0V C100 390P
SPDIF OUT 121
120 0V
VSS
119 2.5V X2 5.0V
VDD2 5.0V 5V
118 3.3V NOT 0V 8.0V
VDD2 0V C44 1 2
0.1 1NH GND
44.1/48kHz 117 R103 IC18
ASDATA 117
116 4 3 27MHz 27MHz
LRCLK 116 VDD OUT 10K
2.1168MHz 115
BCLK 115 IC28
114 3.3V
16.9344/ VDD Q5
113 R43 5.0V
18.43MHz A ACLK 113 3.3V AVR
IC9 112 150 2
SPDIF IN
MPEG2 DECODER 3.3V 111 C45 VIN
0V CD ASDATA 111 3.3V 3 1
110 VOUT GND PLL 4.0V
CD ACLK 110 0.1
16.9344MHz 109 0V
CD LRCLK 109 IC11
IC13
3.3V 108 C51 C70 0V
0V CD BCLK 108 0.1 27MHz
107 0V 0.1 R101
2.1168MHz VSS 47 3.3V
106 C52 C74 16.9344/ 5V
ACLK 32 R102 36.864MHz
105 0.1 10u16 0V
16.9344/ ACLK 48 + R105 47 47 10uH
36.864MHz 104
ACLK 441
103 3.3V
VDD 27MHz
102 2.5V 10uH
VDD2
101 31
EXT OSD3
100 C1
EXT OSD2 1000P 27
99
EXT OSD1 26
EXT OSD0 98 C69
1000P
CREF 97
BLANK 96 C2 27MHz C111
95 0V 1000P 0V 1000P
VSS 1.235V
C178
3.3V 94 1000P C85
0V PD7 94 0.1
93
3.3V PD6 93
92 C80 C91
0V PD5 92 0.1 33 0.1
3.3V VREF
3.3V CP36 C3 3.3V 1 0V 3.3V 32
0V 3.3V 3.3V 100 VAA DAC A 32
91 0V 1000P 2 31
0V 0V VSS 92 P5 1V DAC B 31
90 3 30 3.3V
NC 93 P6 IC16 VAA 5.0V
89 4 3.3V 29 0V
NC 94 P7 0V GND
0V 5 VIDEO 28 3.3V
P8 ENCODER VAA
CP35 0V 6 27 32
100 P9 DAC D 27
0V 7 26
P10 1V DAC C 26
0V 8
C133 C134 P11 25 1.235V C93 0.1
C95 0V 9 COMP
15P 15P P12 3.3V 24 R38 R80
0.1 0V 10 3.3V SDATA
C135 GND 0V 0V 100 4.7K
3.3V 11 SCLOCK 23
VAA
15P CP24
1K
C174
74 1000P 12
R81
C248
4.7K 4.7
3.3V 4
0V
C249
4.7
11 3
64
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ED EE EF EG
CN2
5V AVR
IC24 RST
C126 R91
15P 1.5K 0V 1 3 5.0V L5
GND VOUT
IC25
R92 VIN
1K 5V 4 3 0V
NC VSS
2 0V 2 5.0V
Q1 VDD
8.0V C137
390P 5 1 IC14 MEMORY
R27 100K C6 OUT 5V 5V
8V AVR 5V 0V 0V
R19 680 0V 1
R,L A16 A15 48
1 8.0V L6 2 A16
VIN 1.2V 7 A15 A14 47 5.0V
3 BYTE
8.0V A14 A13
IC23 4
R89 8V 3.3V 5V A13 A12 5V 46 0V
100K C129 0V 0V 5 GND
0V A12 A11 0V 45
0V 4.7u10 0V 1 48 0V 6 DQ15 D15
+ 1OE 2OE A11 A10 44
2 47 7 DQ7 D7
1V SW 51 1Y1 1A1 A0 A10 A9 43
R31 C130 3 46 8 DQ14 D14
IC29 0.1 50 1Y2 1A2 A1 A9 A8 42
0V 4 45 0V 9 DQ6 D6
1V 20K GND GND NC 41
5 44 10 DQ13 D13
49 1Y3 1A3 A2 NC 40
2 6 43 DQ5 D5
41 1Y4 1A4 A3 5V/3.3V 39
1V 0V 3.3V 7 42 3.3V 0V DQ12 D12
8.0V 8.0V C161 VCC VCC 5V 38
1.2V 8 41 0V DQ4 D4
0.1 40 2Y1 2A1 A4
IC27 9 40 11 37 5.0V
39 2Y2 2A2 A5 WR VCC
0V 10 39 0V 12 DQ11 36 D11
GND GND RP
11 38 0V 13 DQ3 35 D3
38 2Y3 2A3 A6 VPP 34
12 37 14 DQ10 D10
IC19 37 2Y4 2A4 A7 WP 33
13 3.3V 36 5V 15 DQ2 D2
1V 0V 36 3Y1 3A1 A8 0V RY/BY 32
R52 14 0V 35 16 DQ9 D9
3Y2 3A2 A19 A18 31
1V C162 17 DQ1 D1
0.1 C131 69 75 34 A18 A17 30
0.1 0V 15 34 0V 18 DQ8 D8
GND GND A8 A7 29
8V R53 75 16 33 19 DQ0 D0
1V C158 R20 0V 70 3Y3 3A3 A7 A6
4.7u10 680 20 5V 28
R,R R54 75 17 32 A6 A5 0V OE
+ C160 74 3Y4 3A4 40 21
4.7u10 31 3.3V 5V A5 A4 5V/3.3V
3.3V 18 VCC 0V 27
C109 10u16 + VCC 5V 0V GND
D4 19 30 22
+ 1.2V 4Y1 0V 4A1 32 A4 A3
4.0V R32 20 29 C139 23 26
20K 4Y2 4A2 15P A3 A2 CE
4.0V R30 0V 21 28 0V 24 25
100K IC30 GND GND A2 A1 A0
R55 3.3V 22 27 5V
10K 0V 4Y3 4A3 5V
C115 0.022 R88 23 26 0V 0V
100K SW 4Y4 4A4
0V 24 4OE 5OE 25 41
C114 10u16
+ 8.0V
1.2V
4.0V R85 27K
LEVEL CHANGE DRAM IC15
8V C75
C113 10u16 0V
10u16 5.0V 1 44 0V
+ + VCC VSS
C110 10u16 R28 100K 5V/3.3V 5V
+ 5 0V 0V
C76 CP15 100 CP10 100
2 43
0.1 D0 DQ0 DQ15
3 42
L22 D1 DQ1 DQ14
4 41
D2 DQ2 DQ13
5 40
L23 LEVEL CHANGE D3 DQ3 DQ12
5.0V 6 39 0V
VCC VSS
C124 0.1 3.3V IC22 CP23 100 CP12 100
9 0V
C123 0.1 7 38
D2 D1 1 20 3.3V D4 DQ4 DQ11
14 T/R VCC 8 37
C122 0.1 5V/3.3V 5V D5 DQ5 DQ10
16 9 36
0V 0V D6 DQ6 DQ9
10 35
D0 2 A0 OE 19 D7 DQ7 DQ8
11 34
D1 3 A1 B0 18 60 5V/3.3V NC NC
4 17 12 33
D2 A2 B1 59 0V NC NC
C119 R96 5 16 13 32
D3 A3 B2 58 NC LCAS 25
4 1V 100u6.3 75 6 15 14 31
VOUT1 + 10 D4 A4 B3 57 28 WE UCAS 26
7 14 C77 15 30 0V
5 C118 IC21 D5 A5 B4 56 24 RAS OE
VOUT2 3 1V 100u6.3 8 13 0.1 5V 16 29
VSAG1 75 DRIVER D6 A6 B5 55 NC A9 A10
6 + 9 12 0V 17 28
VSAG2 2 0V D7 A7 B6 54 NC A8 A9
7 GND 0V 10 11 C173 18 27
Vf GND B7 53 A1 A0 A7 A8
C117 1000P 19 26
8 1 1V 4.7u25 3.3V A2 A1 A6 A7
VIN2 VIN1 IC206 PCA 0V 20 25
IC21 + C116 A3 A2 5V A5 A6
C172 21 24
0.1 18 63Hz 1000P A4 A3 0V A4 A5
8 RST 5.0V 22 23 0V
R293 240K 1.2V 1 17 VCC VSS
RO2 63 118
16
4.2V 5 4 0V R294 220K 1.2V 2 150 119
+IN GND RO1
R295 120K 150Hz
4.2V 6 3 4.2V 2.4V 3 15
-IN +IN LINE NF 330 120
4.2V 7 2 4.2V 330Hz
OUT -IN R287 C254 R289 14
8.0V 8 1 4.2V 10K 4.7 47K 2.4V 4 1K 121
VCC OUT LINE IN
2.4V 5 1KHz
REC NF 13
2.4V 6 3.3K 122
IC205 REC IN 3.3KHz
BUFF C256 3300P 5.0V 7 12
RSTC 10K 123
C250
R278 4.7 C258 10u10 2.4V 8 11 10KHz
BIAS LEVEL
10K + 0V 9 10 5.0V
GND VCC
C252 4.7
C259 0.01
C260 10u10 L210
+
EH EI EJ EK
57 94
C43
10u16
+
84
CP28
C168 10K
A17 D5
1000P
C92
10u16 CP1 10K
+
5V CP6
0V 10K C171
1000P
C179
R112
R98 10K
10K 470P
127
C90
0.1 64
R126 5V
10K 0V 5V
5.0V 1 PE14
84 0V
R40 5.0V 2 5V 5V 5V 5V 5V RES
PE15 0V 0V 0V 0V 0V 83 0V R1 10K
10K 0V 3 5V PA15
VSS 5V 0V 82 0V
PLLVSS
CP7 68 4 0V R42 C47 C46
A0 A0
5 81 5.0V 3K 470P 0.1 R44
A1 A1 PLLCAP L16
6 80 5.0V 200
A2 A2 PLLVCC
7 79 5.0V
A3 A3 MD0
78 0V
CP8 68 8 MD1
A4 A4 77 5.0V
9 VCC
0V A5 A5 76 0V
10 NMI
A6 A6 75 0V X1 C73
11 MD2 7.08MHz 18P
A7 A7 7.08MHz 74 C48
CP9 68 EXTAL 0.1
12 73 5.0V R46 C72
A1 A8 A8 MD3 1K 18P
13 7.08MHz 72
A9 A9 XTAL
14 71 0V
A10 A10 VSS
15 IC10 D0 70 D0
A11 A11
D1 69 D1
CP11 68 16 VIDEO CPU 68
A12 A12 D2 D2
17 67
5V/3.3V A13 A13 D3 D3
0V 18 5/3.3V 66
A14 A14 D4 D4
19 0V 65 5.0V
A15 A15 VCC
CP13 68 64
20 D5 D5
A16 A16 63
21 D6 D6
A17 VCC 5/3.3V 62
D15 22 5V D7 D7 C54
A17 0V 61 0V 0.1
D14 0V VSS
60
D13 D8 D8
5.0V 59
D12 D9 D9
0V 23 5V 58
VSS D10 D10
CP14 68 0V 5V 57
24 0V D11 D11
24 RAS 5V
D11 25 0V CP19 CP18 CP17
25 CASL 10K 10K 10K
D10 3.3V
26
D9 26 CASH 0V 5V 5V 3.3V 5V
0V 0V 0V 0V
D8 C55 28 5V
0.1 0V 27 0V
5V VSS
0V 28
RDWR
CP16
10K 5V
CP20 0V
10K C170
1000P
R41 CP21
10K 10K
R40
10K
CP22
68
R51
A18 10K
A19
65