Kenwood KVT-627DVDY Service Manual page 66

BI
KVT-627DVD/627DVDY/717DVD
KVT-737DVD/747DVD/767DVD
QQ
3 7 63 1515 0
6
IC203
VCOM AMP
7
R253
IC203
36
4 -12.0V
-0.6-1.7V
2K 5
VEE
BIN+
-1.8-5.0V
3
-0.6-1.7V
6
AIN+
BIN-
-1.6-5.0V 7 2 -1.8-5.0V
BOUT AIN-
-2.0-6.0V
12.5V 8 1
VCC AOUT
C326
680P
C327 R345
0.1 68K
LPF
R346
IC303
1M
0V
C322
1000P
L306
D309
5.6uH
C323
100P
VCO
R355 C329
TE
L 13942296513
82 100P
L307
R354 30
59
820nH
R350 100
56
R352 100
3.3V
54
R351 100
53
48 0V
VSS4
.6V
0V R333 0
47
LPFI
46
C324
SPL
0.01
45 3.3V
VDD4
44 1.6V
OSCI
43
TP317A
SCK
42 0V
VSS3
R334 0
41 3.3V
SIZE
40
XCKI
39
0V
TST4
38
TST3
37
TST2
36
TST1
35
SVSEP
R335 0
34
XCKE
33
VDD3
C325
0.01
www
66
X35-448/449x-xx (2/3)
BJ
8
R652
Q601
150
22K
12
0
22K
R664
Q202
270
15
R256
R663
0
16
270
Q203
R257
0
TP316A
TP316B
CN302
W354
1 VGL
TP337B
2 NC
3 VSS
TP339B
25 4 STV1
TP340B
17 5 U/D
TP341B
28 6 CPV
TP342B
29 7 OE3
TP343B
30 8 OE2
TP344B
31 9 OE1
TP345B
32 10 STV2
W310
TP346B
+3.3V 11 VDD1
W355 TP347B
PON5V-1 12 VDD2
13 NC
W356
TP348B
14 VGH
15 NC
16 VCOM
TP338A
TP338B
17 VSS
18 VSS
TP349B
59 19 CPH
20 VSS
TP350B
27 21 CX
TP351B
56 22 L/R
TP352B
53 23 STH1
24 VSS
TP315A TP315B
VB 25 VB
TP314A TP314B
VG 26 VG
TP313A TP313B
VR 27 VR
TP353B
54 28 STH2
29 NC
30 30 LED R
31 31 LED G
32 NC
TP354B
33 P ON+3.3V
45 34 AUTO DIM
46 35 KEY1
47 36 XDATA
48 37 YDATA
49 38 X0
50 39 X1
51 40 Y0
41 D GND
42 LED GND
66 43 BL DET
53 44 PWM
54 45 ENABLE
D305
46 BLGND
47 BLGND
48 NC
49 BL+8.5V
D314
50 BL+8.5V
PON3.3V
BL8.5V
x ao
. i
BK
(X35- ) (C/3)
CN601
CN304
DGND 1
1 D GND
2 OPEN/CLOSE KEY
OPEN/CLOSE KEY 2
3 D GND
D GND 3
4 D GND
D GND 4
5 LED GND
6 BRINK
LED GND 5
7 NC
LED SW
6
8 NC
NC 7
NC 8
9 LED G
LED G 9
LED R 10
10 LED R
CN503
TP30B
CN502
30 NC
VGL 50 29 VGL
NC 49 28 NC
VSS 48 27 VSS
STV1 47 26 STV1
U/D 46 25 U/D
CPV 45 24 CPV
OE3 44 23 OE3
OE2 43 22 OE2
OE1 42 21 OE1
STV2 41 20 STV2
VDD1 40 19 VDD1
C427 2.2
TP29B
VDD2 39 18 VDD2
C428 10
NC 38 17 NC
TP28B
VGH 37 16 VGH
C426 1
NC 36 15 NC
TP27B
VCOM 35 14 VCOM
VSS 34 13 VSS
VSS 33 12 VSS
CPH 32 11 CPH
VSS 31 10 VSS
CX 30 9 CX
L/R 29 8 L/R
STH1 28 7 STH1
TP26B
VSS 27 6 VSS
TP40B
VB 26 5 VB
TP41B
VG 25 4 VG
Q Q
TP42B
3 6 7
3 VR
VR 24
STH2 23 2 STH2
NC 22 1 NC
TP25B
LED R 21
TP24B
LED G 20
NC 19
TP23B
P ON+3.3V 18
TP22B
AUTO DIM 17
TP21B
KEY1 16
TP1B
XDATA 15
TP2B
YDATA 14
TP3B
X0 13
TP4B
X1 12
TP5B
Y0 11
TP20B
D GND 10
TP19B
LED GND 9
TP306
D9
BL DET 8
TP17A
PWM 7
TP17B
ENABLE 6
TP16B
BLGND 5
BLGND 4
F1
TP15B
NC 3
1.6A
BL+8.5V 2
BL+8.5V 1
R7
22
TP10B
u163
y
BL
2 9 9 4
8
OPEN
IC1
S601
IC101
IC203
IC300
IC301
IC302
IC303
D603
IC401
R653 150
Q1,5,302,303 : 2SC4081
Q2,3
Q202,301
Q203
Q300
Q501,601
Q502,503
(X35- ) (B/3)
S
R454
330
R456
S401
330
R441
680
R453
680
R402
3.9K
IC401
L401
10uH 3.3V
3
VCC
4
GND2
TP22A
L501
10uH
1 3 1 5 0 5 8 2 9
Q501
22K
22K
D306
Q5
R3
BL INVERTER
22
IC1
R29
C11 100K
0V 1
CTIMR
0.2V 2
2.2
20 0-5.0V
OVP
NDR B
3.1V 3
19 0-5.0V
ENA
PDR A
5.0V 4
1.0-1.6V
18
SST
CT
5.0V 5
VDDA
17 1.1V
RT
0V 6
0V
16
GNDA
PGND
15
LCT
3.4V 7
14
REF
DIM
1.1V 8
13
RT1
LPWM
1.2V 9
12 0-5.0V
FB
PDR C
D3
C16
1.9V 10
CMP
11 0-5.0V
0.018 NDR D
R9
240K
m
R15
Q1
51K
co
.
BM
2 8
9 9
: OZ964ISN-C D1,
: LT1947-PBF D3
: TA75W558FU-F D4,
: TC7WH126FU-F
: TC200G02G0104 D6
: TC7SH08FU-F D7
: NJM2107F-ZB D10
: TPS850 D10
D10
D30
: SI5513DC-E3 D30
: 2SC4097 D3
: 2SA1577 D40
: DTC124EUA
: DTC124EE D60
: PUMD10
M V
S402 S403
R403 R404
8.2K 24K
DIM DET
R423
2 2.3V 100K
OUT
1
GND1
Q502
9 4 2 8 9 9
Q503
Q2
R11
22
R13 L1
1
22
C8
2
220P
3
R6 C26
51K 0.01
4
5
Q3
C15
0.047
R16
22
VIDEO LINE
GND LINE
B LINE