Kenwood KVT-915DVD, KVT-925DVD Schematics 2
CC CD CE CF CG
L
3
6
3
T
KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
1
2
3
X14CN204
1/4
4
A
5
6
7
CN301
P ON+5.0V
P ON+5.0V
V GND
V GND
SW+18.5V
D GND
OPEN/CLOSE
KEY
VOL-
VOL+
LED GND
OPEN
LED(BLUE)
OPEN
LED+8.0V
P ON+3.3V
V GND
V GND
C.SYNC
V GND
NTSC PAL
POLC
POLS
CLAMP
VSY
HSY
BLK
MODE3
MODE2
MODE1
HPOS4
HPOS3
HPOS2
HPOS1
VCOM
P ON+3.3V
AUTO DIM
KEY1
XDATA
YDATA
BL DET
PWM
ENABLE
SW-D
BLGND
BLGND
BL+8.5V
BL+8.5V
D GND
PH DET
SW+5.0V
REF+5.0V
R SENS
RI M-
RI M-
RI M+
RI M+
EX MEX M-
EX M+
EX M+
SW-A
SW-B
SW-C
NC
NC
NC
NC
VB
VG
VR
NC
NC
X0
Y0
NC
NC
NC
NC
NC
VIDEO UNIT (X35-4280-01) (A/3)
1
2
3
TP322B
4
5
TP323B
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
X1
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
7
TP361B
8
TP362B
9
TP363B
10
TP364B
11
TP365B
12
TP366B
14
TP367B
15
TP368B
16
TP325A TP325B
VB
VG
VR
TP304A
TP304B
TP326B
TP327B
TP328B
TP329B
TP308B
TP307B
TP306B
TP330B
TP331B
TP332B
TP333B
TP334B
TP335B
TP336B
TP305
TP370B
TP371B
TP372B
TP373B
TP374B
TP375B
TP376B
TP377B
TP378B
TP379B
TP380B
TP381B
TP383B
TP324B
TP385B
TP386B
TP387B
TP388B
TP390B
TP391B
TP394B
TP395B
TP397B IN2
TP398B
TP399B
27
28
29
30
31
32
33
34
35
36
37
38
39
40
33
34
35
36
37
38
39
40
43
44
45
55
46
49
64
65
66
67
70
71
74
75
78
79
80
TP321B
C116
220u6.3
IC304
2
3
4
TP356A
R368
0
C338 10
W107
+
SCHMITT
INVERTER
IC304
1
A1
Y3
A2
GND
C339 0.01
C102 10
TP303B
W302
W304
VCC
R307
100
C333 0.1
C101 0.1
0.01
C306
Y1
A3
Y2
C309 10P
DC-DC
CONVERTER
R106 10K
C118 0.01
TP303A
L309
L303
8
7
6
R369
0
5
1
IN1
2
3
GND
L103
4.7uH
C111 10
C110 0.01
W301
10
C301
0.01
C308
30
AND
D102
L106
10uH
C334
C112
0.01
C307
40
39
38
37
36
35
34
33
32
29
28
27
31
VCC
OUT
0.15
L301
220u6.3
10
+
C505
6
7
8
9
C302
CP302
1Kx4
270P
5
4
L101 3.3uH
L102 3.3uH
IC101
VIN
SW2
SHDN
VO2
VON
R103
180K
W303
10
C304
TP306A
TP307A
TP308A
0
R367
IC302
R308
620
C310
GND
SW1
CT
FB2
FB1
0.1
R373 560
R374 560
560P
C303
C311
TP309B
5
4
3
2
1
L302
0.01
CP301
1Kx4
CP303
220x4
0.01
R315
10K
R104
R313
C305
0
C105
D303
39u16
C316
TP301A
C108
39u16
+
C104 10
R325
4.7K
0.1
TP302A
+
C107 10
C103 0.01
0.1
C318
C115
0.1
13K
0.01
D103
C330
C114
+
220u6.3
D101
0.22
D104
R101
R102
100K
C113 2.2
11K
C336
0.1
4.7K
R321C315 0.1
D301
L104
10uH
L105
10uH
C109 1
D302
PLL
0.1
0.1
100
Q301
VCO
56P
R320
UPSD
181920
R311
SCKE
MIRROR
R329
R331
0
0
330
VSS8
PAL
CF308
C331
R359
CPH3
VSS2
R330
R332
39P
10
21
R339
1.8K
3.3K
NVD
1K
1000P
VSS7
C322
L306
C323
5.6uH
100P
VR301
FREE-RUN
FREQ. ADJ.
R353 10
C314
C332 0.01
R360
CPH1
VDD6
IC301
TIMING
CONTROL IC
NHDRVHSRV
22
232425
R318 1K
R316 1K
R314 10K
5
R347
39P
10
15K
CPH2
R340 100
C321
C319
C320
0.01
C313
646362616059585756555453525150
VDD7
1
HPOS1
2
HPOS2
3
HPOS3
4
HPOS4
5
MODE1
6
MODE2
7
MODE3
8
NBLK
9
NDSH
10
VSS1
11
NDSV
12
NCLP
13
POLS
14
POLC
15
COMPS
16
VDD1
17
TP310B
R371
C312
0
0.01
TP302B
47K
R105
TP301B
C106 0.01
IC303
R327
68K
15K
R328
R326
47K
R324 4.7K
10K
R349
D309
0.1
C328
19
39P
C329
22
28
100
100
R352
R350
HDIR
VSS6
STH2
STV1
VDD2CXCPV
2627282930
R338 100
R341 100
4
21
W217
10
0.01
C231
C230
10
0.01
C232
4.7
VR203
10K
R218 2.2K
C233
0.01
C210
R219 51K
VR203
R234
W216
C211
PLL LPF
IC303
2
V-
IN+
IN-OUT
43
VR301 30K
100
R351
NGOE3
R342 100
678
C326 680P
V+
51
C335
0.1
D304
0.01
C317
0
23
R323
49
STH1
VSS5
TSTD
VDD5
PDOS
VSS4
LPFI
SPL
VDD4
OSCI
SCK
VSS3
SIZE
XCKI
TST4
TST3
TST2
TST1
SVSEP
XCKE
VDD3
NGOE2
NGOE1
STV2
31
32
R337 100
R344 100
R343 100
9
10
R236
2.2K
C2
5
R2
9.1
4.7K
F
R345 68KC327 0.1
R348
3.6K
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
R346 1M
X35-4280-01 (1/3)
56
CLCKCJCICH
0
E
D2
N
PDOS
STV2
U
D
R
1
0
10
1
5
0
C
0
01
R
KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
(X35- ) (C/3)
0.01
C230
0.01
C233
.
R234
R203
C326 680P
49
VDD5
VSS4
LPFI
SPL
VDD4
OSCI
SCK
VSS3
SIZE
XCKI
TST4
TST3
TST2
TST1
VSEP
XCKE
VDD3
R236
2.2K
C234
56
R235
9.1K
4.7K
FLICKER
R345 68KC327 0.1
R348
3.6K
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
R346 1M
TP317A
R335
0
R333
C324
0.01
R334
C325
IC203
5
6
7
8
0
0
0.01
BIN+
BINBOUT
VCC
VCOM
VEE
AIN+
AIN-
AOUT
4
3
2
1
D314
71
707574
34
21
RI M-
RI M+
EX M-
TEST POINT
Q201-203
VCOM DRIVER
6
R241
W354
4
5
6
7
8
9
10
R361
R362
21
TP315A
VB
VG
VR
28
33
34
35
36
37
38
39
40
43
44
45
46
49
CN305
EX M+
5.6K
0
Q201
213
5
12K
W310
W355
W356
TP338B
TP314A
TP313A
19
R239
TP337B
TP339B
19
22
23
D GND
22
12K
R240
R253 0
Q202
4
Q203
22
R242
TP316A
TP316B
TP340B
TP341B
TP342B
TP343B
TP344B
TP345B
TP346B
TP347B
TP348B
TP338A
TP349B
TP350B
TP351B
TP352B
TP315B
TP314B
TP313B
TP353B
TP354B
66
65
67
64
1618 17 9
1315 14
NC
PH DET
R SENS
SW+5.0V
REF+5.0V
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
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
12
RI M-
7
8
9
10
11
12
14
15
16
CN302
VGL
NC
VSS
STV1
U/D
CPV
OE3
OE2
OE1
STV2
VDD1
VDD2
NC
VGH
NC
VCOM
VSS
VSS
CPH
VSS
CX
L/R
STH1
VSS
VB
VG
VR
STH2
NC
LED+8.0V
OPEN
NC
PON+5V
AUTO DIM
KEY1
XDATA
YDATA
X0
X1
Y0
DGND
LED GND
BL DET
PWM
ENABLE
BLGND
BLGND
NC
BL+8.5V
BL+8.5V
11 10
RI M-
RI M+
D310
RI M+
Q601
22K
EX M-
D311
22K
EX M-
W358
W357
687
EX M+
D312
D313
EX M+
NC
R652
470
78
354
SW-A
CN304
1
D GND
OPEN/CLOSE
2
KEY
3
VOL-
4
VOL+
5
LED GND
6
TV DVD/BRINK
NC
7
8
LED(BLUE)
9
TV DVD/LED+8.5V(G)
10
TV DVD/LED+8.5V(R)
80
79
55
2
1
CN303
SW-B
SW-D
SW-C
CN502
VGL
VSS
STV1
CPV
OE3
OE2
OE1
STV2
VDD1
VDD2
VGH
VCOM
VSS
VSS
CPH
VSS
STH1
VSS
STH2
LED+8.5V
LED+8.5V
PON+5V
AUTO DIM
KEY1
XDATA
YDATA
DGND
LED GND
BL DET
PWM
ENABLE
BLGND
BLGND
BL+8.5V
BL+8.5V
(X35- ) (B/3)
50
NC
49
48
47
U/D
46
45
44
43
42
41
40
39
NC
38
37
NC
36
35
34
33
32
31
CX
30
L/R
29
28
27
VB
26
VG
25
VR
24
23
NC
22
21
20
NC
19
18
17
16
15
14
X0
13
X1
12
Y0
11
10
9
8
7
6
5
4
NC
3
2
1
C427 2.2
C428 10
C426 1
TP25B
TP24B
TP23B
TP22B
TP21B
TP1B
TP2B
TP3B
TP4B
TP5B
TP20B
TP19B
D9
TP30B
1
C425
TP29B
TP28B
TP27B
TP26B
TP40B
TP41B
TP42B
TP22A
TP17B
TP17A
TP15B
Q5
5V
AVR
Q1
DIMMER SW
F1
1.5A
R7
22
R18
TP10B
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
TP16B
2.2K
15K
CN503
NC
VGL
NC
VSS
STV1
U/D
CPV
OE3
OE2
OE1
STV2
VDD1
VDD2
NC
VGH
NC
VCOM
VSS
VSS
CPH
VSS
CX
L/R
STH1
VSS
VB
VG
VR
STH2
NC
C23 10
C12
R5
C10
0.01
R4
0.01
OPEN/CLOSE
LED GND
TV DVD/BRINK
LED(BLUE,NC)
TV DVD/LED(GREEN)
TV DVD/LED(RED)
D403
S401
R441
680
R456
330
R453
680
R454
330
D401
L401
10uH
L501
10uH
Q5
R3
22
330
15K
R10
C14
0.01
D10
D3
Q1
D7
D8
TP8
C16
0.018
C21
C11
2.2
C13
0.47
C9
2.2
2.2
C22
R15 51K
1500P
IC1
1
2
3
4
5
6
7
8
9
10
X35-4280-01 (2/3)
CN601
1
DGND
2
3
VOL-
4
VOL+
5
6
7
NC
8
9
10
D405
D404
DVD
SRC V.S
R402
R401
4.3K
0
IC401
1000P
10
C423
C424
C504 10
C501 0.01
Q501
22K
22K
INVERTER
CONTROL
R9 240K
0.01
C17
0.01
NDRB
PDRA
PGND
LCT
DIM
LPWM
PDRC
NDRD
R12
CT
RT
1M
DIMMER SE
IC401
3
VCC
4
GND2
D1
R13
22
20
C7
0.047
19
C8
220P
18
R6
17
62K
16
15
14
13
C15
0.047
12
R16
11
22
C401
CTIMR
OVP
ENA
SST
VDDA
GNDA
REF
RT1
FB
CMP
57
S4
R45
R45
R4
9.
O
GN
R1 5.1K
KVT-915DVD,925DVD,935DVD
D405
KVT-945DVD,965DVD
CQCPCOCNCM
5- ) (C/3)
R641
620
R654
300
S402
R455 0
R451 0
R403
2
9.1K
IMMER SENSOR
IC401
VCC
OUT
GND2
GND1
2
1
R642
390
R651
R421
S601
DVD
OPEN/CLOSE
S602
0
DVD
VOL UP
S603
DVD
VOL DOWN
IC1 : OZ960IS-C
IC101 : LT1947
IC203 : TA75W558FU
IC301 : TC200G02AF0104
IC302 : TC7SH08FU
IC303 : NJM2107F
IC304 : TC7WH14FU
IC401 : TPS819
Q1,5 : 2SC4081
Q2,3 : SI5513DC
Q201 : IMZ1A
Q202 : 2SD601A
Q203 : 2SB709A
Q301 : 2SC4097
Q501,601 : DTC124EE
Q502,503 : PUMD10
VIDEO LINE
GND LINE
B LINE
B LINE
D1,2 : MA8047-M
D3 : MA115
D4,5,9,302,303,314 : DA204U
D6,102-104 : MA2S784
D7 : MA8056-M
D8,310-313,401 : 1608SGXA
D10 : AVRM1005270MAA
D101 : MA2ZD18
D301,304 : MA8051-M
D309 : 1SV231
D403-410 : AVRM1608180M6A
D501-504 : MA8051-M
1
2
to LCD ASSY
D406
D407
D408
D409
R452
D410
S404S403
DVDDVDDVD
0
POSITIONV.SEL MENU
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
3
electric shock, leakage-current or resistance measurements
shall be carried out (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.
4
0
R422
150K
R423
100K
C421 1
R404
30K
C422 1
P1
P2
D1
R13
22
20
C7
0.047
19
220P
18
17
62K
16
15
14
13
C1522R17
0.047
12
R16
11
C8
R6
22
R1 5.1K
C26
0.01
58
Q501-503
C502 0.01
C503 0.01
Q2
Q3
Q2,3
INVERTER
DRIVER
TOUCH PANEL SW
TP56B
D501
D502
D503
C18
0.47
C3
0.47
TP55B
R503 10
R504 10
R505 10
R506 10
D504
L1
1
2
3
4
56
D2
Q502
Q503
R501 33K
R502 33K
R8 5.1K
R11
22
C1
10
C2
10
X35-4280-01 (3/3), X16-2250-00 (1/1)
7
CN501
4
3
2
1
TP50B
D5
Y1
X1
Y0
X0
to Touch Panel
Switch ASSY
C5
15P
C6 0.018
C25 3300P
D6
TP51B
R14
SWITCH UNIT
(X16-2250-00) (A/2)
CN1
SW-D
SW-C1918
SW-B 17
SW-A1516
R SENCOR
PHOT POW
PHOT TR
D.GND 1
NC
E+
EE-
R+
R-R-7
5V 4
to LCD ASSY
CN1
1
2
D4
422
SW-C
SW-B
SW-A
NC
14E+
13
12
11
10R+
9
8
NC6NC
5
PHOT
PHOT
POW
POW2
R1
3
750
R2
27K
2
PHOT TR
SLIDE PULSE SENSOR
PH1 : T95-0253-05
PH1
S1
S1
OPEN, SLIDE SW
S2
S2
SLIDE,OPNE/END SW
S3
S3
SLIDE ADJ. SW
E+
GRAY
to SLIDE MOTOR
EORANGE
R+
YELLOW
RWHITE
5V
RED
R SENCER
BLUE
SW-D
GREEN
D.GND
BLACK
(LEAD WIRE)
VR1
R SENCER
BLUE
D.GND
BLACK
RED
SW-D
GREEN
TILT SENSOR
(X16- ) (B/2)
5V
S4
VR1
S4
10K
to TILT MOTOR
(LEAD WIRE)
TILT DOWN END SW
KVT-915DVD/925DVD/
935DVD/945DVD/965DVD (2/4)
5
6
7
CR CS CT CU CV
D
2
M
E
V
N
N
0
0
2
0
3
KVT-915DVD,925DVD,935DVD
KVT-945DVD,965DVD
1
2
3
4
5
6
7
(X25- ) (B/2)
TUNER
*A200
26
IF1GND
IF1+B
S-METER
AOUT
IF2+B
IF2GND
VDD
DIGGND
SCL
SDA
IFCOUT
PLL+B
OSCGND5
OSCGND4
OSCGND3
OSCGND2
AM+B
FM+B
OSCGND1
AMIN
FMIN
RFGND
25
SD
VT
J500
VIDEO
AV INPUT1AV INPUT2
VIDEO
FM/AM
CN21
24
23
22
21
20
19
18
17
16
15
14
13
CN20
12
11
10
9
8
7
6
5
4
3
2
1
ANTENNA
X25-956x-xx
MODEL
NAME
VDX-09M
KVT-915DVD
KVT-915DVD
KVT-925DVD
KVT-925DVD
KVT-935DVD
KVT-935DVD
KVT-945DVD
KVT-965DVD
ELECTRIC UNIT (X25-956x-xx) (A/2)
R501
C544
100
47u10
+
R500
C501
1K 4.7u50
++
R5021KC503
4.7u50
+
D500 D502
C543R503
100
47u50
R505
C500
1K
4.7u50
R5041KC502
4.7u50
Q201
4.7K
C217
0.01
85
C201
C216
0.01
0.01
C213
D
NO
YES
NO
NO
YES
NO
NO
YES
YES
NO
NOYES2-71
YES
NO
YES
YES
J200
L
R
L
R
1
12
2
11
3
10
4
9
5
8
6
7
7
6
8
5
9
4
10
3
11
2
12
1
12
1
11
2
10
3
9
4
8
5
7
6
6
7
5
8
4
9
3
10
2
11
1
12
J
K
R
E
W
M
H
X
C
D501
C505
0.01
R204
CN22
5
3
86
CN23
L203
D201
UNIT
AABB.
No.
0-00
NOCBYES
0-11
YES
3-21
YES
0-21 YES YES
NO4-11 YESYES
NO3-01 YESYES NO
4.6V
4.6V
4.5V
0V 4.5V
4.6V
4.6V
+
4.5V
+
0V
+
D503 D505
R206
1K
L205
4.7uH
C215
0.010.01
L204
4.7uH
L207
4.7uH
E
YES NO
NO
NO
NO
YES
NO
YES
NO
NO
YES
1
2
3
4
2
3
4
F
NO
NO
NO
IC50
AOUT
VM1
AIN
GND
ISO AMP
IC51
AOUT
VM1
AIN
GND
ISO AMP
L206
4.7uH
R211
22K
Q203
R75,
156
YES
BU14V
C4
0.01
C3
0.01
D8
C
J
+
C7
3900u16
8
6
R75
∗
D504
VCC
BOUT
4.6V
VM2
VCC
BOUT
4.6V
VM2
PWRL-
PWFL-
PWRL-
+
22K
SW 5V
PWFR-
R5
R6
PWRR-
PWFR-
Q2
22K
1211 13
546
PEFR+
PEFR+
PWRR-
POWER
ANT
PWRR+
PWRR+
D3
Q4
BU 5V
Q3
1514 16
213
EXT
LMUTE
POWER
R1 1K
R4 10K
5
8
7
6
75
75
R9
R10
B.U.
ACC
GND
L1
140uH
D1
4
D6
R23 4.7K
∗
C
Q12
47K
Q18
R25
560
1W
R27
10K
22K
J1
910
CN1
A1 (FAN)
75
R506
8
8.3V
7
4.6V
C541
22u16
6
5
BIN
2
1
15
16
18
C9
1
C8
0.01
D4
R8
100K
FUN
CONT.
Q6
Q7
Q5
2.2K
22K
22K
47K
Q1
47K
87
PWFL-
PWFL+
PWRL+
R7
PWFL+
PWRL+
C5
220u16
D2
0.01
C2
10u16
C1 0.047
+
C6
100u10
R3
100
+
R2
2 2K
56
15
0.01
C504
23
+
C507
22u16
8.3V
81
4.6V
7
6
5
BIN
4.5V
0.01
C506
C542
22u16
+
R507
25
22
75
R20
Q13
1K
R26
SYNC.
SEP
IC2
560
C17
C18
0V
1
560P
4SC123
LPFGND
5
2.7V
R31
R77
5.0V
5.0V
VCC
VCO
HSYNC
VSYNC
VIN
876
R34
5.0V
10K
+
C21
C22
330K
47u6.3
D5
R24 4.7K
X200
R14
22K
C220
100K
55
∗
A
10P
4.332MHz
C219
10P
R16
1K
1/2W
1K
R17
47K
70
Q14
1/2W
C11
10K
Q17
C16
22K
R19
3.3u50
Q16
C14 1
Q15
10K
10K
D7
0.1
71
Q210
100K
R222
R223
10K
D202
0.01
C243
R226
82K
C242
0.01
IC23
4
3
2
1
18
3.3K
C225
150P
4.1V
MPX
SMUTE
3.5V
L200
C206
C202
C224
4.1V
19
0.01
SCL
19
4.7uH
C211
0.01
0.01
20
5.1V
R216
C227
SDA
18
10K
0.022
10
21
0V
330P
C209
10u16
AM
GND
+
C212
5.0V
789
RH-
AFS
22
8.2V
0.01
C228
87
R202 2.2K
2.5V
2.5V
5.2V
+
10u16
R203 2.2K
IC22
ELECTRIC
VOLUME
46523
CDLVDD
CDR
CASSR
CDGND
4.1V
RFOUT
RROUT
LROUT
2324252728
26
11
+
C229
10u16
88
RDS DECODER
IC21
1
QUAL
2
RDDA
3
VREF
4
MPX
5
OSEL
0V
6
GND
7
ARI
8
FILOUT
CASSL
LFOUT
9
OSCOUT
4.1V
1
VREF
CREF
ACOUTL
ACOUTR
L209
10uH
RDCL
OSCIN
VCC
EXTRES
FSEL
R12
4.7K
C45
0.01
Q8
22K
+
C10
C230
2.2u50
1
90
2.2K
R205
2.6V
16
15
T57
2.6V
14
2.0V
13
5.2V
12
11
0V
10
TM
9
4.7K
14
MPOUT
MUXL
15
84
0.1V
13
16
MPIN
MUXR
R218
1K
Q207
R219
0.1V
12
4.7K
LEVEL
14
R215
0.47
C226
11
QUAL
17
R207
22K
22K
C223
0.1
C222
0.1
26
4.8V
Q204
22K
25
22K
1K
R214
Q206
4.7K
R217
R162
R163
R164
R165
R166
NO
NO
YES
YES
YES
YES
YES
NO
NO
YES
NO
NO
YES
NO
YES
YES
NO
NO
NO
NO
NO
YES
NO
NO
NO
NO
YES
YES
YES
YES
R167
NO
YES
YES
NO
NO
YES
NO
NO
NO
YES
NO
YES
YES
NO
NO
NO
YES
R230
10K
+
C244
10u16
+
R221
10K
C233 0.01
VAIN+
AINAOUT
BU14V
C231 0.
C232 0.
C234
0.01
R225
15K
NOISE A
0V
R231
10K
D9
BOU
R2
5.6
C2
0.
BI
BI
X25-956x-xx (1/6)
59
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