Kenwood KVT-910DVD Service Manual page 68

FF FG FH FI
(X35-418X-XX) (D/4)
1
D40 CN30
TV/NAV
REF5V 3
SENS M.GND 2
SENS 1
71
∗
CN31
HL2
REF5V 1
S20
SENS 2
HLZSW 3
M.GND 4
1
MDS 5 16
2 2
4
MDW 6 20
4
MDN 7 21
R172 6
560
PWM 8 22 7
8
R168
470
VSY 9 12
10
R169
470 11
HSY 10 4
12
3 R170
470
NAVI 11 71
16
R171
470
NTSC/PAL 12 11
R 13 R
G 14 G
B 15 B
V.GND 16
X14-A/2
R164 560
-CN203
C.SYNC 17 16
R165 560
BLACK 18 41
3/4
R166 560
CONT 19 5
4
E D161
REF5V 20 1
R160 560
V MUTE 21 18
CP160 1K
YG 22 21
XG 23 20
XP 24 19
D162
5 TOUCH Y 25 18
TOUCH X 26 17
D.GND 27
SW5V 28 15
SCRN(NC) 29 14
V.SEL(NC) 30 13
AUTODIM(SW-LCD) 31 11 4
ILL8.4V 32 10 2
LAMP 33 9
SW-OPEN 34 8
BRIGHT 35 7
BLGND 36
BLGND 37 1
BLGND 38
SW14V 39
6 F140
SW14V 40 4 0.5A
SW14V 41
MOT+ 42
MOT+ 43
MOT- 44
MOT- 45 R147
750K
CN33 R145 0V
D40
MOT+ 1 33K
M
MOT- 2 IC140
CN34 DC/DC
CONTROL
MOT+ 4 0V
MOT+ 3
MOT- 2 0V
7 R142 C154
MOT- 1 1.1K 0.033
R141
100
FJ FK FL FM
NAV (X35-418X-XX) (D/4)
C47
UNIT No. IC130 C130 CN31
Q40
12P
R40
0-00 NO NO E41-0079-05
22K 220K 0V
C43 0-11 YES YES E41-0078-05
0.1 C45
22K 2-71 YES YES E41-0078-05
0.1
0V 1
VIN
0V
0V
5.1V 4.6V
C49
0V 2 54 0.1
CVOP 0V
MON B
C52 0V 3 4.1V 53 C51
MON E
0V MON A
0.1
0.1
4
HSY 52
TEST
5.1V 5
51 5.1V
VDD TST2
50
RESV
5.0V
49 4.8V
R45 560 6 RESH
FRPT
0V 48 5.1V
R46 560
7 TST1 D40
SYNI
R43 L41 C53
R47 560 8
IC40 47 2.0V 390 15uH 1000P
FRPV 2.5V
CLD
9
GND TIMING CONTROLLER
0V
46
R48 560 10 GND
0V
VCS
4.9V 11
45 5.1V
NTPC
12 VDD
44 2.6V
VSY
OSCI
5.1V 13 PLL CONTROL
HRVC 43 R49
IC70
14 2.4V OSCO
VRVC 5.1V 1M
42
15 GND VCC
CLKC 41 0V
R73
4.9V 16 GND
MDS 68K
C59 3.3V 1
0V 17
40 0V 0.1
GND
MON
C60 0V 18
39 0V
EXCL GND OUT
2
0.1 R75 GND
2.8V
0V 5.1V 0V 5.1V 38 2.8V 24K 3
PDP
37 4.5V
SPIO
R77 C75
2.6V
68K 0.1
R79 1M
C76 560P
41
IC91
R127 V-COM DRIVER
15
L92
10uH
∗
IC91 11.8V
W130 8
VCC
∗
1.7V 1
IC130
(BOTTOM VIEW)
7 8 7 1.8V
GND 2Q
9 1.7V 2
6 2Q
1Q
10 1.8V 3
5 2PR 6 0.6V
1Q
11
4 2CK
1PR L93 5 0.6V
12
3 10uH 16.0V
2D 4
1CK 13 VSS
2
2CLR
1D 14
1 1
VCC
1CLR NC
2.6V 2
SYNCSEP
2.3V 3
COM AMP
C104 4.7
3.7V 4
∗ COM OUT
W131
R107 R108
2.6V 5
470 33K
CONTRAST
VR92 C109
10K 0.01
COM-OUT
C110
0.1 2.0V 6
D142 R109 VR93 R110 B1
L142 30K 10K 43K 0V 7
100uH GND
C112
C106
0.1 2.0V 8
G1
0.01
DC/DC COM-AMP
C113 2.0V 9
R1
13.6V
L143 0.1
R112 VR94 R113
4 5
D140 10K 30K 2.2K 5.1V 10
6 L141 VCC1
11
3 68uH
NC
CONT 12
NC
2 7
1 8 D141 L140
100uH C114
22u6.3
+
C117
Q140 0.01
SWITCHING C158 100P
R140 10K
FN FO FP FQ
(X35- ) (C/4)
CN32
CN20
45 VGH
32 44 MODE2 VGH 45
60 43 MODE1
59 42 VR
58 41 SPS MODE2 44
W130,
W40
131 57 40 CLS 43
MODE1
YES NO
39 VCC VR 42
NO YES
SPS 41
NO YES
CLS 40
38 VSS VCC 39
R161
37 VGL
2.4K
VSS 38
1 36 COM
35 GND
47 34 CLD VGL 37
37 33 SPIO COM 36
36 32 CTR GND 35
35 31 PS
CLD 34
33 30 HR
SPIO 33
28 29 SPOI
CTR 32
B 28
VA(B)
PS 31
G 27 VB(G)
HR 30
R 26 VC(R)
SPOI 29
L161
25 GND
10uH
24 VSHA
47
L162 VA(B) 28
10uH
VB(G) 27
23 VSHL
VC(R) 26
22 GND
Q70
GND 25
VCO
21 21 YG
5 5.1V R72
20 20 XG
VSHA 24
100
19 19 XP
23
VSHL
18 18 TOUCH Y
GND 22
R76 L70 C73 17 17 TOUCH X
2.7uH
4 3.1V 10K 1000P 16 D.GND
Q70
15 15 SW5V
14 14 NC
YG 21
13 13 NC
12 NC
Q20,21,
R83 11 11 AUTODM (SW-LCD) 22,23,24
R82 8.2K
SWITCH
10 10 ILL8.4V
2.7K
9 9 LAMP
8 8 SW-OPEN XG 20
VCO 7 7 BRIGHT 19
XP
6 BLGND TOUCH Y 18
5 BLGND
4 4 SW14V
3 SW14V
2 NC
1 1 REF5V
TOUCH X 17
Q91 D.GND 16
Q91 D23
RIPPLE FILTER
L91
VR90 10uH
BRT
Q90
+7.5V
REG AVR SW5V 15
AMP
C102 SCRN 14
0.068
V.SEL 13
NC 12
3.0V
2.1V 2.1V 2.0V 2.2V 2.3V AUTODM 11
10
ILL DC
2.3V
LAMP 9 9
SW-OPEN 8 8
36
NC R111
BRIGHT 7
35 2.6V 100
B OUT B
BLGND 6
34 7.7V
VCC2 BLGND 5
SW14V 4
SW14V 3 3
C108
IC90 33 3.0V
G DCDET NC 2
0.068
GAMMA REVISION
32 2.6V R115 100
G OUT G
31 0V REF DC 1
GND
C111
0.068
30 3.0V
R DCDET
29 2.6V R116
R OUT R
28 0V 100
GND
1.3V VR95 C115
2.0V
30K 0.01 1 2 3 4
27 2.3V
GANMA2 CN22
2.0V 26 1.8V
0V 3.9V GANMA0 R117 R118
25
NC 8.2K 2.2K
GMA2
D91 VR96
C118
30K 0.01
R120 R121
8.2K 2.2K
GMA1
18
FR FS FT FU
1 2
CN21
1 VGH VGH 1
2 NC NC 2
3 NC NC 3
(X35- ) (A/4)
4 MODE2 MODE2 4
10 9 8 7 6
5 5
MODE1 MODE1
6 VR VR 6
7 SPS SPS 7
8 CLS CLS 8
9 VCC VCC 9
10 NC NC 10
11 NC NC 11
12 VSS VSS 12
13 13
NC NC
C2
14 NC NC 14 10
15 VGL VGL 15
C3
16 COM COM 16
LCD 0.01
17 GND GND 17
B38-1067-05
18 CLD CLD 18
19 SPIO SPIO 19
20 CTR CTR 20
21 PS PS 21
22 HR HR 22
23 SPOI SPOI 23
24 24
GND GND
25 VA(B) VA(B) 25
26 VB(G) VB(G) 26
27 VC(R) VC(R) 27
28 GND GND 28 IC1
DC/DC
29 VSHA1 VSHA1 29
CONTROL
30 VSHA2 VSHA2 30
31 31
VSHL2 VSHL2
32 VSHL1 VSHL1 32
Q21
22K
22K
D5
Q20
Q22
22K
D20
22K
Q24
Q23
22K
CN23
R30 10
22K
1 X1 Y2 1 D6
R31 10
2 Y2 X1 2
TOUCH PANEL
R28 10
3 3
X2 Y1 S79-0815-05
R29 10
4 Y1 X2 4
D21
1
OUT
2
L20
GND
10uH
3
VCC
Q3,4 C11
IC20 0.15
SWITCHING
VIDEO
SIGNAL LINE Q3
GND LINE
B LINE
B LINE
Q25
22K
SCRN V.SEL
22K
(X35-418X-XX) (A/4)
UNIT No. R1 R2
0-00 4.7K 3.3K
0-11 0 12K
2-71 0 12K
S22 S21
IC1 : TL5001ID
IC2 : NJM2403V
IC20 : PNA4603H
IC40 : LZ9GJ24
IC70 : NJM2107F
IC90 : IR3Y26A1
IC91 : NJM4580V
5 6 7 8 9 10
IC130 : TC74AC74FT
IC140 : NJM2368V
IC180 : TC7WH123FU
Q1 : 2SC2412K
Q2 : 2SA1037K
Q3,4 : 2SC2873
Q5,20,22,23,25,40
: DTC124EUA
Q6 : 2SJ518
Q21,24 : DTA124EUA
Q70 : 2SC2411K
Q90,91 : 2SC4081
FV FW FX FY
CN1
5 4 3 2 1
∗
D7
S1
OPEN/
∗ CLOSE
Q7
∗
Q5
Q1
S
R9 G
Q2
39
Q6
D
Q1,2,6
SWITCHING
www.manualscenter.com
IC1
R18
220K
IC2
PROTECTION
CN2
2
D3
L2
1
Q4
(4/4)
R10 R16 R17 Q5 Q7 D4 D7
100K 820 180 NO YES YES YES
220K 680 270 YES NO YES NO
220K 680 NO YES NO NO NO
D2 : RB160L-40
D3,5 : 1SS193
CAUTION : For continued safety, replace safety critical components only with manufacturer's
D6 : UMZ6.8N
D23,24 : DA204U
recommended parts (refer to parts list).
D40,120 : MA716
Indicates safety critical components. To reduce the risk of electric shock, leakage-current or
D70 : MA152K !
D71 : MA335
resistance measurements shall be carried out (exposed parts are acceptably insulated from the
D72,73,160 : MA3051-M
supply circuit) before the appliance is returned to the customer.
D90 : MA3082-M
D91 : DAN202U • DC voltages are as measured with a high impedance voltmeter. Values may vary slightly due to
D140 : SB05-05CP
variations between individual instruments or/and units.
D141,142 : 1SS184
D161,162 : MA3056WA
D163 : MA8056-M
KVT-910DVD/920DVD/930DVD/
940DVD/960DVD