Kenwood DV-502 Service Manual page 14

K L
MAIN BOARD
+5V
+2.5V
3.3V
+3.3V +3.3V
HEX UNBUFFERED
INVERTER
IC501
0V 1
AO
2
QO
1.2V 3
A1
R501
1.2V 4
Q1
0V 5
100
A2
Q202
Q201 R250 R249 6
56 47 Q2
0V 7
GND
104
ADC LRCLK
103
RA307 47
ADC SCLK
102
SMI DATA(15) 102
101
SMI DATA(14) 101
SDRAM
100
SMI DATA(13) 100
99 IC301
SMI DATA(12) 99 C304
98 0.1 3.3V 1
SMI DATA(11) VCC
RA306 47
97 2
SMI DATA(10) C305 84 DQ0
98
96 0V 0.1
3
VSS
VCC Q
97
4
93 85 DQ1
5
95 1.4V 92 86 DQ2
SMI CLK OUT 6
94 2.5V VSS Q
VDD2 5 +2.5V 7
93 87 DQ3
SMI DATA(9) 8
C306 88 DQ4
92
RA305 47
SMI DATA(8)
0.1 9
91
VCC Q
SMI DATA(7) 91
10
90
89 DQ5
SMI DATA(6) 90
11
89
90 DQ6
SMI DATA(5) 89
12
88
VSS Q
SMI DATA(4) 88
13
C307 91 DQ7
RA304 47
0.1 14
87 VCC
SMI DATA(3) 87 15
86 79 LDQM
SMI DATA(2) 86 16
78 WE
85
SMI DATA(1) 85 17
84 77 CAS
SMI DATA(0) 84
18
83 0V
76 RAS
VSS
19
1.4V
74 CS
R309 47 20
82
72 BA0
SMI CLK IN 82
21
81
73 BA1
VDD3 3 +3.3V
3.3V 22
80 0V R308 47 70 A10
SMI DQMU 80 23
69 A0
R307 47
79 0V
24
SMI DQML 79
68 A1
25
78 3.1V R306 47
67 A2
SMI WE 78
26
77 2.9V R305 47 C308 66 A3
SMI CAS 77 0.1
27
R304 47 VCC
76 3.1V
SMI RAS 76
75
SMI CS(1)
74 2.1V R303 47
SMI CS(0) 74
R302 47
73 0V
SMI ADR(13) 73
72 0.2V R301 47
SMI ADR(12) 72
RA303 47
71 0V
SMI ADR(11) 71 2.5V
70 2.8V
SMI ADR(10) 70
69 0V
R224R
SMI ADR(0) 69
68 0V
SMI ADR(1) 68
C220R 4.8V
RA302 47
470u10
67 0.2V 27
SMI ADR(2) 67 + +
4.2V
66 0.2V Q220R
SMI ADR(3) 66
R OUT
65 0V
VSS 63
62
64 2.5V
VDD2 5 +2.5V
63 0V
SMI ADR(9)
62 0V
RA301 47
SMI ADR(8)
61 0.2V
R224G
SMI ADR(7) 61
60
SMI ADR(6) 60
59
4.8V
C220G
SMI ADR(5) 59
58 470u10
SMI ADR(4) 58 26
+
R235 47
57
4.2V Q220G
SPDIF OUT 57
56 1.5V R234 47 G OUT
DAC LRCLK 56
55 1.5V R233 47
DAC PCM CLK 55
54
DAC PCM OUT2
53
DAC PCM OUT1
R224B
52
C220B 4.8V
470u10
25
51 +
4.2V
Q220B
B OUT
3.3V
M N
1
IC201 : STI5519
IC202 : M24C02WM
IC301 : KS641632D
IC401 : M29W800AT*
IC501 : M74HCU04M
ICM21 : KA8082
Q201,202 : KTC3198
L501
14 3.3V
QM201 : KTC3198Y
VCC
QM202 : KTA1267
Q220R,220G,220B : KTN2907
13 1.5V
A3 DM201 : UZ5V6
12 1.2V
R503
DM202 : RB4
Q3
1M
11 0V
DM203,204 : IN4148
A4
10
Q4
X501
9 0V
A5
J201 J202
8
JTAG TEST
Q5 0 0
CONNECTION
CP203
203 1 TRGI OUT
3.3V
202 2 TRGI IN
115 3 GND(OPTION)
R237 47
110 4 TMS
54
R238
VSS 5 GND
53 47
DQ15 102 113 6 TCK
52 R239
7 GND
VSS Q
47
51 112 8 TDI
DQ14 101
50
9 GND
C310
DQ13 100 R240
49 0.1
47
VCC Q
111 10 TDO
48
DQ12 99
+5V 11 +5VD
47
DQ11 98
197 12 TXD(JIG)
46
VSS Q 200 13 RXD(JIG)
45
14 JTAG RST
DQ10 97
44 R241 47
C309
DQ9 93
109 15 TRST
0.1
43
VCC Q
42
DQ8 92
41
VSS
40
NC
CP204
39
UDDM 80
38 1 M GND
CLK 82 9.0V
+8V 2 +8V MOTOR
37 R315
CKE
3 M GND
36 47K
NC
12.2V
35
+12V 4 +12V MOTOR
A11 71
2.5V
34
+2.5V 5 +2V5D
A9 63
33
6 D GND
A8 62
5.3V
32
+5V 7 +5VD
A7 61
31
8 D GND
A6
60
30
3.3V
A5 59
+3.3V 9 +3V3D
29
4.9V
A4 58
+5.6V 10 +5V6S
28
VSS 208 11 AUDIO MUTE
2 12 VIDEO M
+5V 13 +5VV
14 V GND
R314
0 15 P/CTL
+3.3V
16 NC CLK
17 NC DATA
18 HP MUTE
19 HP IND
R226R
10
C221R
12 3300P
R225R
8.2
L220R
CP205
2.7uH
27 25 1 B OUT(Cb)
2.6V
2 A GND
26 3 G OUT(Y)
4 A GND
R226G
27 5 R OUT(Cr)
10 L210
5.9V
6 A GND
C221G
32 7 Y OUT
12 3300P
8 A GND
R225G
34 9 CVBS
8.2
10 A GND
L220G
33 11 C OUT
2.7uH
26
12 A GND
2.6V
13 MUTE(PCMI738E)
14 DAC A GND
15 DAC D GND
R226B
10
46 16 CS(DAC CS)
C221B 44 17 MC(DAC CLK)
12 3300P
45 18 MDI(DAC DATA)
R225B
55 19 SCKI(PCM CLK)
8.2
51 20 BCK(PCM BICK)
L220B
52 21 PCM DATA D(PCM OUT)
2.7uH
56 22 PCM LRCLK
25
2.6V
42 23 RESET(PCM1738E)
57 24 SPDIF
25 D GND
3 26 16.9
1 27 BLANK
6 28 TV/AUX
29 NC
+3.3V
+2.5V
+5.6V
+5V
+12V
+8V
O P
* Refer to parts list.
DV-502/503 VDF-3050/3550
DESTINATION C502, DESTINATION
R205
503
COUNTRY ABB. COUNTRY
U.S.A. K U.K.
22P 15K
CANADA P EUROPE
PX/AFFES
DVF-3050-S
VDF-3550-S
DESTINATION C502,
R205
COUNTRY ABB. 503 DESTINATION
2
U.K. TS COUNTRY
24P 10K
EUROPE ES U.K.
PX/AFFES YS EUROPE
GENERAL MARKET MS 22P 15K PX/AFFES
SOUTH AFRICA M3 GENERAL MARKET
UAE
AUSTRALIA
OUTPUT BOARD
W-6
CN805
9.0V
+9V 1 +8V
A GND 2
-8.5V
-8V 3 8V
12.2V
+12V 4 +12V
0.7V
RESET 5
+3.5VD 6 +3.3V
D GND 7
2.5V
+2.5VD 8
C860
5.3V
470u10
+5VD 9
9
12.2V
+
+12VM 10
M GND 11
CVBS
9.0V
+9VM 12
CP802
M GND 1 C866
470u10
+8VM 2 +8V
11
+
M GND 3
C
+12VM 4
+2.5VD 5
D GND 6
+5VD 7 +5V +5V
CC802
D GND 8
3.3V
+3.3VD 9 +3.3V
+5V6S 10
C824
A MUTE 11 470u10
7
+
V MUTE 12
5.9V
+5VA 13 +5V
Y
V GND 14
RESET 15
CP801
+8V
B 1 1
A GND 2 1
G 3 3
A GND 4 3
R 5 5
A GND 6 5
Y 7 7
A GND 8
CVBS 9 9
A GND 10 +5V
+8V
C 11 11
8V
A GND 12
NC 13
DAC A GND 14
DAC D GND 15
R825 0
PCM1748E CS 16 16
CC801
R824 0
PCM1748E CLK 17 17
R823 0
PCM1748E DA 18 18
DAC/PCM
R822 0
OUT
PCM CLK 19 19
R821 0
3.3V
BCK 20 20
R817 0
PCM OUT 21 21
R816 0
LR CLK 22 22
NC 23
R815 0 R830
SPDIF 24 24
2.2uH
D GND 25
L812
5.9V
16:9 26 26
1K
BLANK 27 27
TV/AUX 28 28
NC 29
Q R
C502,
R205
503
ABB.
T
24P 10K
E
Y 22P 15K
C502,
R205
ABB. 503
TS
24P 10K
ES
YS
MS
22P 15K
M2
XS
R856
0
R855 C865
12 3300P
5.2V R854
8.2
L806
4.5V Q815
Q804 E,T TYPE
2.7uH
ONLY
2.9V R865
56
R886
R862
120
0
R861 C871
12 3300P
R829 0
5.2V
R860
8.2
EXCEPT
E,T TYPE
L807
4.5V Q807
2.7uH
2.9V
R887
120
R850
0
R849 C859
12 3300P
5.2V R848
R885
8.2
120
L805
4.5V
Q803
2.7uH
2.9V
5
1
IC806
R842 R844
0 0
9.0V 5.9V
IN OUT +5V 3
GND R881 R880
120 120
R884 V MUTE Q814
Q812 Q811
100
+5V
+5V
+8V
8V
24
IC801
IC802-A-B-A
5
1 16 C811L R813L R814L
BCK SCK
47u16 5.6K 3.9K
6
2 15
DATA ML +
4
C820
3 14
LRCK MC 47u16
4 13
+
D GND MD
12
ZERO L
11
ZERO R
5
10
+3.3V VDD
V COM
IC802-A-B-B
6
3
VCC C811R R813R R814R
7
9 47u16 5.6K 3.9K 2
OUT L
A GND
8
+
8
OUT R
OPE
AMP
S T
IC801 : PCM1748KE
IC802 : BA4560F
IC805 : GP1F32T
IC806 : KIA7806
Q801,814,815 : KTC3875Y
Q802 : KTA1504Y
Q803,804,807 : KTN2907
Q805 : DTC114YKA
Q808-813 : KTD1304
Q803L,803R : DTC323TK
Q804L : DTA114YKA
D804 : ISS355
D805 : 1N4148
CN806
AGND
1
CVBS
2
AGND
3
GREEN
3 4
AGND
5
RED
5 6
AGND
7
BLUE
1 8
+12V
BLANK
27 9
TV/AUX
28 10
16.9
26 11
E,T TYPE
ONLY
R872
0
CN803 +12V
(SCART)
+12V 1
AGND
Q809
2
L-ch
3
AGND
4
R-ch
5
R875
0
JK803-A
6
Q810
VIDEO
JK803-B
OUT
3 1
R873
0
4 2
Q808
JK804
R877
0 6
Cr
R876
0 7
COMPONENT
Cb
VIDEO OUT
R874
0 8
Y
9
R882
120
10
Q813
EXCEPT
(E,T TYPE)
R804
10
5.3V
Q801
R802
-8.5V 0
Q802
R807 C803
0 0.01
C816L R826L
47u16 100
7
+
Q803L
R827
330
R831
820K
C816R R826R
47u16 100
1
+
Q803R
R828
Q804L
100 9.0V
D804