Kenwood KVT-719DVD Service Manual page 87

DL
∗ ∗
P8 P1
VIDEO SIGNAL
C223
1
0V
C224
P252
8 0.01
5.0V
TP228
TP241
A5V
C229
16
P251
0.01
5.0V
1
C220
1 R620 0V
C222 33K
0V
1
C221
1
7
R615 C271
1 1000P
C270 0V 1
15
1
5.0V 2
R514 22
3
172
29 R116 10K
C305
10 4
9
R515 22
5
174
R516 22
6
175
R517 22
7
173
0V 8
R304
9
2K C516
5.0V 10
0.033
0V 11
5V
5.0V 12
0V
13
0V 14
0V
TP41
5.0V
0V
0V
5V
0V
C266
C302
0.033
7
3.4V
C517 10
0.01 R300
4.7K
18,24,SDA,SCL
C304
10
TP236
TP219
TP218
TP217
132
C498
22
144
C497
22
C169
TP237
10
C168
10
C167
10
131
14
V
Q21
11
SDA
12
7
16,19
Q20
SCL
12
7
P5V
6
• 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.
DM
D1.2V
17
VIDEO AMP
IC12
VIDEO SIGNAL
4 3
IN SAG
R204
150
2
5 OUT CMP
GND
L7
1 5.0V
6
PS
VCC
600
C226
22
IC57
R207
150
14
1
2
VOUT1 Pr/R
VSAG1
2
C230
13 5.0V
V+1
3
V+2
0.01
12
0V
3 VSAG2
VIN1
R205
11
4 VOUT2 Y/G
PS
150
10 0V
5
GND2
VIN2
9 R206
6
VOUT3 Pb/B
GND1
150
7 8
VIN3 CLAMP
3.3V
18
R257
9.1K
R254
9.1K
0V
2ch AUDIO DAC
IC15
5.0V
28
DVSS ACKS
TP235
27 0V
3.3V
TST2
DVDD
0V
26
TST1
MCLK
25 2.5V
P
3.3V
C272
24
3.3V
VCOM
PDN
0V 1
23
AOUTL+
BICK
22
AOUTL-
3.3V
SDATA
21
0V
AOUTR+
R263
LRCK 20
AOUTR-
SMUTE
9.1K
19 0V
R260
DFS0
AVSS
18 5.0V 9.1K
DEM0
AVDD
DEM1 17
VREFH
DIF0
16 0V C263
VREFL
0V
DIF1
1
15
DIF2 TTL C530
5.0V
1
IC60
1 8
VOUT VIN
2 7
NC2 NC7
3 6 8.0V
GND1 NC6
4 5
A8V
CN CONT
7
TP248
R477
IOP+
R588 110
5.0V
4.7
5.0V
R156
Q28
TP64
56
LD CD
R150
Q10
10
TP81
Q12
IOP
Q29
Q13
TP65
R157
LD DVD
56
R151
R155
10
750
Q11
7
A3.3V
TP68
A3.3V
11
DN
3.3V
∗
C440
0.1
3.3V
IC53
3.3V
8
3.3V
VCC
0V
1
7
R490
3.3V 2
0V
6
22
R587
3
C466
5
33
0V 4
0.1 GND 3.3V
IC49
5
1
VCC
1.2V
7
R473
4
GND
33
1.2V
0V TP253
P4
A5V
∗ ∗ ∗ ∗
R208 C231 C474 R539
4.7 1000P 1000P 4.7
FGND3
7 2
∗
D
C250
1000P
C251
C252 R266 R464
220P
220P 100 100
IC51
LPF
8.0V
R538
820
R583
390
C253
1000P
C254
C255 R267 R465
220P
220P 100 100
IC50
LPF
8.0V
R536
820
R584
390
7
D5V
P5V
L15
A5V
600
Q24
IOP
IC39
Q24
1 5 5.0V
IN+ VDD
0V 2
VSS
C520
3 4 3.4V
Q27
IN- OUT
1000P
C441
0.1
TP222 GND
TP221
116
12
128
Q15 Q14
16
11
12
6
DO
KVT-719DVD/729DVD
/729DVDY/739DVD
IC1
IC5
IC9
IC10
IC12
17 IC15
IC21
C
IC27
IC31
IC39
∗
CN11
IC42
3.3V
0V IC49
178 1 ADATA0
IC50,51 : NJM4580V-ZB
R474
2 DGND
IC53
33 177 3 ADATA1
IC54
4 DGND
IC55
176 5 ADATA2
IC56
IC57
6 DGND
IC60
7 BCK
8 DGND
Q1-4,25 : DTA143XE
9 LRCK
Q10,11 : 2SC4617
12 10 PD Q12,13 : 2SB1709
Q14,15,20,21
Q24
∗
P4
Q27
Q28,29 : 2SA1774
∗
A5V CN6
TP160
D5,6
A5V
50
VGND D7
49 A5V
TP227
48 VGND
18 CMP 47 VIDEO
46 VGND
Pr/R 45 Pr/R
44 VGND
Pb/B 43 Pb/B
42 VGND
Y/G 41 Y/G
40 VGND
TP140
39 A8V
A8V
A8V 38 A8V
TP220
37 AGND
AGND
36 AGND
35 AREFL
34 AOUTL
33 A-SHIELD
32 AOUTR
31 AREFR
30 AGND
29 DGND
28 DGND
TP107
27 SPDIF
26 DGND
25 DGND
24 24 DISC-DET
M/S
23
TP151
22 AMUTE
SDA 21 SDT
20 DGND
SCL 19 TCK
TP110
18 18 IFSEL
17 D5V
16 D5V
7
TP223
15 D5V
D5V
14 D5V
13 D5V
12 D5V
11 DGND
TP224
10 DGND
DGND
R591
9 RESET
82
8 PGND
7 PGND
6 PGND
5 PGND
4 P5V
3 P5V
2 P5V
1 P5V
CN1
1 GND
TP198
2 VREF
L21
TP247
3 VCC
TP63
600
F 4 F+H/G+H
TP62
E 5 E+G/E+F
6 SW
7 NC
8 LD CD
9 LD DVD
R564
L22
10 GND
600
4.7
11 HFM
C476
VPU1
12 GND(G)
TP59
100P
13 RF
TP58
B 14 B
TP57
OPTICAL
A 15 A
TP56
PICKUP
C 16 C
TP55
D
D 17
TP54
FE1 18 FE1
TP108
FE2 19 FE2
11 TH- 20 TH-
21 TH+
TP51
22 Imon
23 NC
R164 100
24 VR CD
R165 100
25 VR DVD
26 NC
TP48
F- 27 F-
TP231 TP232 TP47
T+ 28 T+
TP233 TP234 TP46
F+ 29 F+
TP45
T- 30 T-
X37-1120-03 (4/4)
DP
1
: MN2DS0016AAUB
: S29AL32D70TFI
: S-24CS04AFT
: AN41250A-VB
: MM1671XNRE
: AK4396VF
: LTC3548EDD-F
: NJM2865F318ZB
: LC82360-E
: NJU7042
: TC74HC273FT
: TC7SG04FU-F
: TC7WH08FK-F
: IS45S16800TL1
: TC7WH32FU-F
: HD74LV1GW57AE
: NJM2573V-ZB
: MM1665AHBE
2
: 2SK3019
: SSM3J15FU-F
: DTA143ZE
: 015AZ5.1-F(Y)
: 1SS402-F
3
4
5
6
VIDEO LINE
SIGNAL LINE
GND LINE
B LINE
7
87