SCHEMATIC DIAGRAMS-2
DISPLAY & VIDEO SECTION
TX-SR402/8240/HT-R420TX-SR402/8240/HT-R420
A
1
2
3
4
5
BCDEFGH
P253A
P211B
P211A
TO NAVD-7873
P210B
TO NAVD-7867
P210A
P202
P201
Y
Y
YC
C
C
P204
RL7501
NC
P7502A
R7581
100K X 14
R7582
100K X 13
C7512
474 MMT
C7523 102J
C7522 101J
P281
DIGITAL INPUT
COAXIAL
DIGITAL INPUT
OPTICAL
F2
F2
NP
NP
P35
P34
P33
P32
P31
P30
P29
P28
P27
P26
P25
P24
P23
P22
P21
P20
P19
P18
P17
P16
P15
P14
P13
P12
P11
P10
P9
P8
P7
P6
P5
P4
P3
P2
P1
16G
15G
14G
13G
12G
11G
10G
9G
8G
7G
6G
5G
4G
3G
2G
1G
NP
NP
F1
F1
Q7501
16BT123GK
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
51
52
53
54
55
56
57
58
59
YC
CY
P203
P206B
P206A
P801B
Q281
74HCU04
1
2
3
4
5
6
7
8
9
10
11
12
13
14
P282
U281
JL7501B
JL7501A
Q209
2SA933-S
*KTA1267-GR
Q204
2SA933-S
KTA1267-GR
VIDEO OUT
VCC
VIN4
VIN3
VIN2
GND
VIN1
B
A
Q213
LA7956
1
2
3
4
5
6
7
8
9
VIDEO OUT
VCC
VIN4
VIN3
VIN2
GND
VIN1
B
A
Q212
LA7956
1
2
3
4
5
6
7
8
9
VIDEO OUT
VCC
VIN4
VIN3
VIN2
GND
VIN1
B
A
Q203
LA7956
1
2
3
4
5
6
7
8
9
Q210
RN1241
Q208
RN1241
Q207
RN1241
Q211
RN1241
Q202
RN1241
Q201
RN1241
JL7502B
JL7502A
S7615
SPEAKERS B
S7616
SPEAKERS A
S7614
STANDBY
/ON
S7647
AUDIO
ADJUST
S7645
PRESET>
S7644
DSP
S7643
SURROUND
S7642
STEREO
S7641
DIRECT
S7646
<PRESET
S7635
MEMORY
S7634
TAPE
S7633
TUNER
S7632
CD
S7631
SP
ADJUST
S7636
TUNING<
S7637
TUNING>
S7627
FM MODE
S7625
VIDEO2
S7624
VIDEO1
S7623
DVD
S7622
AUDIO
SEL
S7621
DISPLAY
S7626
VIDEO3
S7613
DIMMER
S7612
SW MODE
S7611
DIGITAL
INPUT
P7503A
S7501
MASTER VOLUME
E7501
Q206
DTA114ES
KRA102M
Q205
DTA114ES
KRA102M
Q7504
RN2403
KRA103S
U7501
SPS4441E1
L281
220K
NCH-1452
L283
022M
L282
220KNCH-1452
L7505
220K
NCH1477
L7504
220K
NCH1477
L7501 022M
NC
L7502 022M
NC
L7503 022M
NC
Q7502
UPD780232GC-030-8BT
21:ANI1
21
22:ANI0
22
41:P45/FIP37
41
42:P44/FIP36
42
43:P43/FIP35
43
61:FIP19
61
ANI220
ANI319
AVDD24
AVSS18
FIP0
80
FIP1 79
FIP10 70
FIP11 69
FIP12 68
FIP13 67
FIP14 66
FIP15 65
FIP16 64
FIP17 63
FIP18 62
FIP2 78
FIP20 58
FIP21 57
FIP22 56
FIP23 55
FIP3 77
FIP4 76
FIP5 75
FIP6 74
FIP7 73
FIP8 72
FIP9 71
IC5
P01/INTP116
P02/TI17
P20/SCK314
P21/SO313
P2212
P2311
P24/BUSY10
P25SO19
P26/SI18
P27/SCK17 P30/FIP24 54
P31/FIP25 53
P32/FIP26 52
P33/FIP27 51
P34/FIP28 50
P35/FIP29 49
P36/FIP30 48
P37/FIP31 47
P40/FIP32 46
P41/FIP33 45
P42/FIP34 44
P46/FIP3840
P47/FIP3939
P50/FIP4038
P51/FIP4137
P52/FIP4236
P53/FIP4335
P54/FIP4434
P55/FIP4533
P56/FIP4632
P57/FIP4731
P60/FIP4830
P61/FIP4929
P62/FIP5028
P63/FIP5127
P64/FIP5226
POO/INTP015
VDD025
VDD11
VDD2 59
VLOAD 60
VSS023
VSS12
X13
X24
RESET6
P7501
PHONES
R7519
100K
R7614
820
R7613
560
R7524 1K
R7646 2.2K
R7615
1.2K
R7531
220
R7641 330R7645 1.2K R7644 820 R7643 560 R7642 470
R7631 330R7632 470R7633 560R7634 820R7635 1.2KR7636 2.2K
R7626 2.2K R7621 330R7625 1.2K R7624 820 R7623 560 R7622 470
R7612 470 R7611 330
Q7507RN1402
KRC102S
NC
Q7506
RN1402
KRC102S
X7501
CST5.00MGW
Q7503
2SC2712
KTC3875
R7580 10K X 15
NC
D7505
STANDBY
SLR56VRTB7
OR SEL411OR
D7505
D7501 UDZ8.2B
D7502
UDZ5.1B
D202
D201
D7504
NO USE
1SS352
NC
D7507
1SS352
D7503
1SS352
C205
470/16
C207 2.2/50
C215
470/16
C209 2.2/50
C213 2.2/50
C223
47/16
C225
47/16
C211
470/16
C288
47/6.3
C285
47/6.3
C201
2.2/50
C217
2.2/50
C203
470/16
C202
2.2/50
C204
2.2/50
C221
47/16
C7521
220/6.3
C7514 100/6.3
C7502
33/50
C286 223Z
C220
223Z
C231
223Z
C232
223Z
C214
223Z
C208 223Z
C212 223Z
C226
223Z
C224
223Z
C210
223Z
C287
223Z
C283
223Z
C281
223Z
C284
080D
C282
101J
C227
223Z
C222
223Z
C7513 104Z
C7515
104Z
C7516
104Z
C7517 102J
C7519
102J
C7520
102J
C7518
102J
C7508 102J
C7509 102J
C7506
104Z
C7501 104Z
C7503 104Z
C7507
104Z
C7505
473Z
C7504
473Z
C7510 102J
C7511 102J
R206
75
R216 75
R215
75
R212 75
R211 75
R225
680K
R221 75
R222 75
R217 100K
R218 100K R214 75
R213 75
R226
680K
R227
680K
R228
220
R230
680K
R224
100K
R223
100K
R219 75
R220 75
R282
470
R284
10K
R281
75
R210
220
R231
75
R205
75
R207
680K
R201
75
R208
680K
R202
75
R209
680K
R203
75
R204
100K
R7518
100K
R7517 1K
R7503
10K
R7520 2.7K
R7521 2.7K
R7504
47K
R7501 220
R7502 220
R7507 4.7K
R7506 4.7K
R7532
10K
R7527 10K
R7526 10K
R7530 1K
R7529 560
R7528 560
R7508 4.7K
R7509 4.7K
R7510 1K
R7511 1K
R7512 10K
R7513 10K
R7514 10K
R7515 10K
R7516 10K
R7522 2.7K
R7523 2.7K
R7505
220K
+12V
GND
A
B
VMUT2
VMUT1
RI
OPT2
DGND
OPT1
+5V
COAX
OPTOUT
+12V
GND
A
B
VMUT2
VMUT1
RI
DGND
OPT1
+5V
SYSOUT
COAX
GND
+12V
B
A
VM2
VM1
IRF
VAJ
VBJ
STBYLED
SYSIN
K0
K1
K2
K3
SBMLDY
SBMDI
SBMDO
SBMCLK
SBMRST
K0
K1
K2
K3
GND
KEY0
HPDET
GND
GND
+12V
HPL
B
HPE
A
HPR
VM2
VM2
SYSIN
HPDET
SBMLDY
SBMDI
SBMDO
SBMCLK
SBMRST
-VP
+5.6S
FAC2
FAC1
HPR
HPE
HPL
GND
GND
NAVD-7873
DVD IN
MONITOR
OUT
OUT
IN
IN
VIDEO-2
S_VIDEO
VIDEO-1
RI
DVD IN
VIDEO-1
OUT
INVIDEO-2
IN
VIDEO-3
VIDEO
IN
MONITOR
OUT
TO NAETC-7868
TO NADG-7401
TO NADG-7401
TO NAETC-7884
TO NAVD-7867
U15
S VIDEO TERMINAL
PC BOARD
U16
TERMINAL
PC BOARD
U25
TERMINAL PC BOARD
U02
DISPLAY PC
BOARD
U04
HEADPHONE JACK
PC BOARD
U03
SWITCH PC BOARD
U09
VIDEO&OPT TERMINAL PC BOARD
NADIS-7403
NAETC-7884 NAVD-7867
NAETC-7874
NAETC-7405
NASW-7404
FL TUBE
NOTE
.
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
.
VOLTAGE (MEASURED WITHVOLTMETER) IS DC VOLTAGE.(NO INPUT SIGNAL)
.
ALL PNP TRANSISTORS ARE EQUIVALENT TO 2SA1015-GR UNLESS OTHERWISE NOTED.
.
ALL NPN TRANSISTORS ARE EQUIVALENT TO 2SC1815-GR UNLESS OTHERWISE NOTED.
.
ALL DIODES ARE EQUIVALENT TO 1SS133 UNLESS OTHERWISE NOTED.
.
ELECTROLYTIC CAPACITORS ( )ARE IN u F/WV.
.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF333- 0.033uF
.
ALL RESISTORS ARE IN OHMS 1/4WATTS UNLESS OTHERWISE NOTED.
.
THE THICK LINES ON PC BOARD ARE THE PRINTING SIDE OF THE PARTS.
EX) PRINTING SIDE
.
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
.
IS DC VOLTAGE, AT NO INPUT SIGNAL.
<Notes>
NC=No mount of parts.
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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