Kenwood KVT-512DVD Service Manual page 42

BN
KVT-50DVDRY/512/522DVD
/522DVDY/532DVD/532DVDM
TP500
CN502
26
VCC 50 25
NC 49 24
TP501
DGND 48
STVR
47 47 23
STVL 46 46 47 22
CKV 45 45 46 21
OEV 44 44 45 20
L/R 43 43
OEH 42 42 19
STHL 41 41 44 18
TP509
17
VGL 40
16
TP510 43 15
VGH 39
14
42 13
NC 38
TP511
41 12
AVDD 37
NC
36
VCOM 35
TP513
VSS 34
VSS 33 11
STHR 10
32
VSS 31 9
TP515
CPH3 8
30
CPH2 29 7
CPH1 28 6
VSS 27 R 5
TP517
VR 26 R G 4
TP518
VG 25 G B 3
TP519
VB 24 B 2
VSS 1
23
LED R 22 22
LED G 21 21
LED B 20 20
TP523
KEY1 19 19
TP524
T P+5V 18 TP+5V
TP525
XDATA 17
TP526
YDATA 16
TP527
X0 15
TP528
X1 14
TP529
Y0 13
TP530
PWM 12
TP531
ENABLE 11
TP540
D GND 10
TP532
LED GND 9
TP533
INV SW 8
TP534
INV PWM 7
TP535
OPEN/
6
CLOSE
TP536
BL GND 5
TP537 D507
BL GND 4
NC 3
TP538
F1
SW+14V 2
1.6A
SW+14V 1
TP539
DIMMER
SW
R5
15K
IC1 : OZ964ISN-C-SN Q1,5,101
IC101 : LT1947-PBF Q2,3
IC102 : TC7WH123FU-F Q4
IC103 : 74AHC1G04GW Q102
IC200 : TA75W558FU-F Q200
IC300 : S-1112B25MCG Q202
IC302 : AT25F2048-4Z8 Q203
IC304 : MST7988LA-ALF Q501
Q502,503 : PUMD10
VIDEO LINE
GND LINE
B LINE
B LINE
42
X35-4960-10 (3/3)
BO
(X35- ) (B/2)
CN503
DGND
VCC
VGL
22
21
VGH
20
STVR
STVL
CKV
U/D
OEV
VCOM
VCOM
L/R 6
MOD 19
OEH
STHL
D308
STHR
CPH3
CPH2
L501
CPH1
10uH
VCC
DGND
VR
VG
VB
AVDD
AVSS
Q501
D10
R24
4.7K
Q5
5V CONSTANT
VOLTAGE
Q5
R3
BL INVERTER
22
IC1
R21
TP58B
C11 100K
0V 1
CTIMR
20
2
2.2 NDR B
OVP
3 19
ENA PDR A
4
SST
18
5.0V 5
CT
VDDA
17
RT
0V 6
16
GNDA
PGND
15
LCT
7
14
REF
DIM
8
13
RT1
LPWM
9
12
FB
PDR C
D3
C16
10
CMP
11
0.018
NDR D
R9
200K
R15
Q1
51K
: 2SC4081 D1,2,7 : UDZW5.6(B)
: SI5504DC-E3 D3,10 : 1SS355
: DTC114YUA D4,5,9,12,300,307,308
: 2SA1576A : DA204U
: 2SC4097 D6 : MA2S784-F
: 2SA1577 D8,11,302,401,505-507
: UMZ1N : CVS10A120M
: DTC114YE D101,103,104
: EP05Q04
D102 : EP05Q06
D409-411,501-504
: CVS10A180M
D451-455 : B30-3201-05
BP
S401 S402 S403
R402 R403
3.9K 8.2K
OPEN/
SCREEN FNC
CLOSE
Q502
Q502
TOUCH PANEL
X1/Y0 SW
R503 10
TP56B
R504 10
TP55B
R505 10
R506 10
TP60B
Q503
Q501,503
TOUCH PANEL
Y1 SW
Q2,3
SW INVERTER
DRIVER
Q4
Q2
R23 C18
820K 1
C28
1
C1
10
C3
R11 1
C2
22
10
R13
L1
22
1 7
2
C8
220P
3
R6
1.0V
4
0V 56K
5 6
Q3
C15
0.047
R16
22
KVT-50DVDRY/512/522DVD/
522DVDY/532DVD/532DVDM (2/2)
CAUTION : For continued safety, re place safe ty critical com po-
nents only with manufacturer's rec om mend ed parts (refer to parts
list).
Indicates safety critical com po nents. To reduce the risk of electric
shock, leakage-cur rent or re sis tance mea sure ments shall be car-
ried out (ex posed parts are ac cept ably in su lat ed from the supply
cir cuit) be fore the ap pli ance is returned to the customer.
• DC voltages are as measured with a high impedance volt me ter.
Val ues may vary slight ly due to vari a tions between in di vid u al in-
stru ments or/and units.
BQ BR
S404 S405
R404
24K
SRC NAVI
CN501
1 Y1
2 X1
3 Y0
4 X0
TP57B
TP50B
CN1
1 EX M+
TP51B
2 EX M-
D4
D5
1
2
3
4
5
6
7