HT-R550
SCHEMATIC DIAGRAMS-4
DISPLAY SECTION
U06
SWITCH PC BOARD
U05
DISPLAY PC BOARD
KEY2
KEY3
FLDCLK
FLDCS
FLDRST
KEY1
FLDSDO
KEY0
KEY3
KEY2
KEY1
KEY0
VOLA
VOLB
FLDSDO
FLDCLK
FLDCS
FLDRST
REMIN
KEYINT0
KEYINT1
+12V
MICOUT
OPTF
GNDCPU
-VP
FAC2
FAC1
V4Y
+5.6S
V4_R
+5VDIS
MICDET
MICMUT
-12V
ZONELED
V4_L
V4V
V4C
V4_VIDEO_GND
V4_VIDEO_GND
MIC_GND
V4_GND
STBYLED
MASTER_VOL_LED
KEY0_2
ZONELED
LEDPURE
STBYLED
KEYINT0
CEC_LED
+BLED
GNDCPU
PRESET
UP
PRESET
DOWN
ENTER
CD
TAPE
DVD
AUX
CBL/SAT
VCR/DVR
MEMORY
LISTENING
MODE>
DIGITAL IN
DISPLAY
TUNER
MULTI
MULTI CH
SETUP
RETURN
STEREO
TONE+
TONE-
TONE
TUNING
MODE
DIMMER
NC
To NADG-9177
(SD-3 :B1)
32P
PHONO
NC
NC
NADIS-9148
TUNING UP
TUNING
DOWN
STANDBY
PURE AUDIO
NC
ZONE 2
NADIS-9149
STANDBY
*
PURE AUDIO
NC
NC
NC
NC
S7002
4
2
5
3
1
S7132
S7134
S7136
S7138
S7151
S7152
S7154
S7153
S7155
S7156
S7160
S7162
S7115
S7117
S7119
S7123
S7125
S7127
S7116
S7118
S7120
S7122
S7124
S7126
S7128
S7129
R7007 220
C7010
223Z
R7004
220
R7003
3.3K
R7002
3.3K
C7007
101J
R7006
27K
R7107
330
R7108
470
R7109
560
R7110
820
R7111
1.2K
R7112
2.2K
R7117
560
R7130
12K
R7128
2.2K
R7127
1.2K
R7126
820
R7125
560
R7124
470
R7123
330
R7115
330
R7116
470
R7402
47K
R7401 100
C7303
104Z
R7001
100K
C7012 223Z
C7014
223Z
R7022
10K
R7021
10K
S7001
4
2
5
3
1
R7024
10K
R7023
10K
JL7351A
3
2
1
C7032
C7031
S7130
C7009
104J
C7021
103Z
C7022
103Z
C7305
104J
R7008 220
D7002
MTZJ8.2C
C7016
C7017
C7001
223Z
R7129
3.9K
E7301
R7101
330
S7102
S7101
S7140
S7142
S7144
S7146
S7148
S7159
R7122
12K
R7121
3.9K
R7120
2.2K
R7119
1.2K
R7118
820
S7164
S7161
S7157
S7166
C7304
104Z
C7421 102J
Q7004
2SC2458
2
1
3
1
F21
2
F22
5
P35
6
P34
7
P33
8
P32
9
P31
10
P30
11
P29
12
P28
13
P27
14
P26
15
P25
16
P24
17
P23
18
P22
19
P21
20
P20
21
P19
22
P18
23
P17
24
P16
25
P15
26
P14
27
P13
28
P12
29
P11
30
P10
31
P9
32
P8
33
P7
34
P6
35
P5
36
P4
37
P3
38
P2
39
P1
40
16G
41
15G
42
14G
43
13G
44
12G
45
11G
46
10G
47
9G
48
8G
49
7G
50
6G
51
5G
52
4G
53
3G
54
2G
55
1G
58
F11
59
F12
Q7001
16BT128GNK
S7106
R7113
3.9K
R7114
12K
S7104
R7102
470
S7113
R7013
NC
C7002
104J
C7003
101J
C7005
101J
C7004
101J
J7012
J7050
R7005
220
J7053
C7041 100/6.3
+
C7043 102K
R7042
1K
U7041
3
2
1
5
4
R7041
100
C7042
NC
Q7003
M66005
49
49 : SEG2
50
SEG1
51
SEG0
52
VCC2
53
DIG15/SEG39
54
DIG14/SEG38
55
DIG13/SEG37
56
DIG12/SEG36
57
DIG11
58
DIG10
59
DIG9
60
DIG8
61
DIG7
62
DIG6
63
DIG5
64
64 : DIG4
1
DIG03
2
DIG02
3
DIG01
4
DIG00
5
_RESET
6
_CS
7
SCK
8
SDATA
9
P1
10
P0
11
VCC1
12
XOUT
13
XIN
14
VSS
15
SEG35
16
SEG34
17
SEG33 : 17
18
SEG32 : 18
19
SEG31
20
SEG30
21
SEG29
22
SEG28
23
SEG27
24
VP
25
SEG26
26
SEG25
27
SEG24
28
SEG23
29
SEG22
30
SEG21
31
SEG20 : 31
32
SEG19 : 32
33
SEG18
34
SEG17
35
SEG16
36
SEG15
37
SEG14
38
SEG13
39
SEG12
40
SEG11
41
SEG10
42
SEG9
43
SEG8
44
SEG7
45
SEG6
46
SEG5
47
SEG4
48
SEG3
C7008
100/16 +
R7301
330
R7403
4.7K
R7404
220
R7405
47K
C7402
101J
C7301
471J
R7302
330
C7302
471J
R7303
75
C7404
330J
R7406
330
R7407
1K
D7401
MTZJ5.1B
R7411 470
Q7005
DTA114ES
1
2
3
Q7401:A
NJM4580D-D
7
8
6
5
4
Q7401:B
NJM4580D-D
1
2
3
Q7403
DTC114TS
Q7404
DTC114TS
R7408
33K
R7414
100K
R7412
470
R7413
220K
C7405 10/16
+
R7409
220
D7412
MTZJ6.8B
R7410 220
C7401
10/50
+
C7403
47/25
+
C7412 47/50
+
D7411
MTZJ6.8B
C7411 47/25
+
C7015 47/16
C7013
33/50
+
C7018
10/50
+
U7042
3
2
1
5
4
R7045
100
R7046
1K
C7047 102K
C7046
NC
C7045 100/6.3
+
P701B
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J7054
1
2
J7011
R7012
0
Q7007
DTC114ES
1
3
2
R7010 120
D7301
1SS133
D7302
1SS133
Q7006
DTC114ES
3
2
1
S7150
J7009
S7158
S7108
S7110
S7112
S7114
S7107
S7109
R7103
560
R7104
820
R7105
1.2K
Q7152
DTC114ES
3
1
2
J7212
JL7101B
9
8
7
6
5
4
3
2
1
D7413
SEL2910A-TP6
1
2
J7207
J7208
D7152
SLI-343URC
D7151
R7151 2.2K
R7152
D7154
1
2
D7153
1
2
Q7405
DTA114ES
1
2
3
Q7151
2
1
3
R7415
180
R7416
180
D7155
SLR-342MGTE7P
1
2
R7154
180
Q7406
DTA114ES
2
1
3
JL7101A
1
2
3
4
5
6
7
8
9
S7149
L7401
022M
L7402
022M
L7031
022M
P7401
5
4
2
3
7
8
1
L7032
P7301
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY
REPLACE ONLY WITH PART NUMBER SPECIFIED.
VOLTAGE (MEASURED WITH VOLTMETER) 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 uF/WV.
ALL CAPACITORS ARE IN pF/50WV UNLESS OTHERWISE NOTED.
EX) 030- 3pF 330- 33pF 331- 330pF 333- 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.
!
NOTE
<Note>
NC = No mount of parts.
SD-Z : XY
Location of connected terminal in schematic diagrams.
SD-Z = Schematic diagrams-Z. X = A to H, Y = 1 to 5.
NC
FL DRIVER
NC
AUX INPUT
R
L VIDEO
SETUP MIC
LISTENING
MODE<
NC
P7302
C7011 223Z
MASTER VOLUME
FL TUBE
SPEAKERS
B
SPEAKERS
A
TYPE
MDD, MDC
MPA
S7109
NC
NPS-111-S681
NC
LIST
NC
LIST
LIST
LIST
Q7151
NC
DTA114ES
D7153
NC
SDPB3DD0C
R7152
NC
120
Refer to following table about the parts displayed by mark "
LIST
".
+5V
+5V
+5V
-12V
+12V
A
1
2
3
4
5
B
C
D
E
F
G
H
