SCHEMATIC DIAGRAMS-2
DISPLAY & VIDEO SECTION
HT-R8230
HT-R8230
P253A
P210A
P202
P201
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
P206B
P206A
P801B
Q281
74HCU04
1
2
3
4
5
6
7
8
9
10
11
12
13
14
P282
U281
JL7501B
JL7501A
Q204
2SA933-S
KTA1267-GR
VIDEO OUT
VCC
VIN4
VIN3
VIN2
GND
VIN1
B
A
Q203
LA7956
1
2
3
4
5
6
7
8
9
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
SPEAKER
ADJUST
S7636
TUNING<
S7637
TUNING>
S7627
FM MODE
S7625
VIDEO2
S7624
VIDEO1
S7623
DVD
S7622
AUDIO
SELECTOR
S7621
DISPLAY
S7626
VIDEO3
S7613
DIMMER
S7612
SUB
WOOFER
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
220K
NCH-1452
L7505
220K
NCH1477
L7504
220K
NCH1477
L7501 022M
NC
L7502 022M
NC
L7503 022M
NC
Q7502
MPD780232GC-030-8BT
21:ANI1
21
22:ANI0
22
41:P45/FIP37
41
42:P44/FIP36
42
43:P43/FIP35
43
61:FIP19
61
ANI2
20
ANI3
19
AVDD
24
AVSS
18
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
IC
5
P01/INTP1
16
P02/TI
17
P20/SCK3
14
P21/SO3
13
P22
12
P23
11
P24/BUSY
10
P25SO1
9
P26/SI1
8
P27/SCK1
7
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/FIP38
40
P47/FIP39
39
P50/FIP40
38
P51/FIP41
37
P52/FIP42
36
P53/FIP43
35
P54/FIP44
34
P55/FIP45
33
P56/FIP46
32
P57/FIP47
31
P60/FIP48
30
P61/FIP49
29
P62/FIP50
28
P63/FIP51
27
P64/FIP52
26
POO/INTP0
15
VDD0
25
VDD1
1
VDD2
59
VLOAD
60
VSS0
23
VSS1
2
X1
3
X2
4
RESET
6
P7501
PHONES
R7519
100K
R7614
820
R7613
560
R7524
1K
R7646
2.2K
R7615
1.2K
R7531
220
R7641
330
R7645
1.2K
R7644
820
R7643
560
R7642
470
R7631
330
R7632
470
R7633
560
R7634
820
R7635
1.2K
R7636
2.2K
R7626
2.2K
R7621
330
R7625
1.2K
R7624
820
R7623
560
R7622
470
R7612
470
R7611
330
Q7507
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
NC
D7507
1SS352
D7503
1SS352
C205
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
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
R230
680K
R224
100K
R223
100K
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
IRF
VAJ
VBJ
STBYLED
SYSIN
K0
K1
K2
K3
SBMLDY
SBMDI
SBMDO
SBMCLK
SBMRST
K0
K1
K2
K3
GND
KEY0
HPDET
GND
HPL
HPE
HPR
SYSIN
HPDET
SBMLDY
SBMDI
SBMDO
SBMCLK
SBMRST
-VP
+5.6S
FAC2
FAC1
HPR
HPE
HPL
GND
GND
RI
DVD IN
VIDEO-1
OUT
IN
VIDEO-2
IN
VIDEO-3
VIDEO
IN
MONITOR
OUT
TO NAETC-7868
TO NADG-7401
TO NADG-7401
TO NAETC-7884
TO NAVD-7867
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-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.
NC
NC
NC
A
1
2
3
4
5
B
C
D
E
F
G
H
