SCHEMATIC DIAGRAMS-7
DISPLAY SECTION
HT-R940
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
U05
DISPLAY PC BOARD
KEY0
KEY2
KEY3
FLDSDO
FLDCLK
FLDCS
FLDRST
KEY1
KEY0_2
LEDZONE2
LEDSTBY
GNDLED
+BLED
LEDPURE
KEYINT0
KEY0_2
LEDZONE2
KEYINT0
+BLED
LEDPURE
GNDCPU
LEDSTBY
FLDRST
FLDCS
FLDCLK
FLDSDO
REMIN
VOLB
GNDCPU
GNDV4
V4_R
V4V
KEYINT1
KEYINT0
KEY3
KEY2
KEY1
KEY0
+5.6S
+5VDIS
VOLA
FAC2
FAC1
-VP
V4_L
LEDSTBY
GNDV4V
TUNING
MODE
TUNING UP
TUNING
DOWN
PRESET UP
PRESET
DOWN
ENTER
SETUP
RETURN
CD
TAPE
DVD
VIDEO 3
VIDEO 2
VIDEO 1
MULTI
MEMORY
LISTENING
MODE>
LISTEING
MODE<
STEREO
TONE+
TONE-
DIGITAL IN
DISPLAY
TONE
NC
NADIS-8785
TUNER
NC
NADIS-8786
NC
NC
NC
STANDBY
PURE AUDIO
To NAVD-8811(1/2)
(SD-5 : A1)
26P
NAETC-8790
NC
STANDBY/ON
PURE AUDIO
NC
MPP Type only
To NADG-8808
(SD-3 : A1)
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
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
100/6.3
+
S7002
4
2
5
3
1
S7104
S7106
S7132
S7134
S7136
S7138
S7140
S7142
S7144
S7146
S7148
S7149
S7150
S7151
S7152
S7154
S7153
S7155
S7156
S7157
S7158
S7160
S7159
S7161
S7162
S7164
S7166
P7301
E7301
S7102
S7101
S7115
S7117
S7119
S7123
S7125
S7127
S7116
S7118
S7120
S7122
S7124
S7126
S7128
S7129
R7301
330
R7007 220
C7010
223Z
R7005
220
R7004
220
R7003
3.3K
R7002
3.3K
C7007
101J
R7006
27K
R7103
560
R7102
470
R7107
330
R7108
470
R7109
560
R7110
820
R7111
1.2K
R7112
2.2K
R7113
3.9K
R7122
12K
R7121
3.9K
R7120
2.2K
R7119
1.2K
R7118
820
R7117
560
R7130
12K
R7129
3.9K
R7128
2.2K
R7127
1.2K
R7126
820
R7125
560
R7124
470
R7123
330
R7115
330
R7116
470
C7301
471J
R7302
330
C7302
471J
C7303
104Z
C7304
104Z
R7303
75
R7001 100K
Q7004
2SC2458
2
1
3
Q7001
16-BT-128GNYK
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
C7011 223Z
C7012 223Z
C7014
223Z
R7022
10K
R7021
10K
S7001
4
2
5
3
1
R7024
10K
R7023
10K
Q7006
NC
2
1
3
JL7351A
3
2
1
S7108
S7110
S7112
S7114
R7154
NC
S7107
S7109
R7104
820
R7105
1.2K
R7106
2.2K
R7151
2.2K
SLI-343URC
Q7151
DTA114ES
2
1
3
Q7152
NC
3
1
2
C7042
NC
C7043
102K
R7042
1K
R7041
100
C7041
100/6.3
+
E7201
C7032
C7031
U7041
3
2
1
5
4
C7203
NC
C7204
NC
L7201
022M
L7202
022M
L7203
022M
D7151
R7101
330
S7130
C7009
104J
C7202
NC
C7201
NC
C7021
103Z
C7022
103Z
C7305
104J
D7155
JL7101B
8
7
6
5
4
3
2
1
JL7101A
1
2
3
4
5
6
7
8
R7152
120
R7010
NC
C7013
33/50
+
R7008 220
C7015 100/16
D7002
MTZJ8.2C
C7016
C7017
L7032
L7031
022M
JL6605A
1
2
3
4
5
P7201
1
8
7
3
2
4
5
C7001
223Z
C7101
J7050
P701B
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
D7001
D7153
1
SDPB3DD0C
E7101
C7002
104J
C7003
101J
C7004
101J
C7005
101J
U06
SWITCH PC BOARD
PHONES
U10
HEADPHONE JACK
PC BOARD
NC
NC
VIDEO 3 INPUT
L-AUDIO-R VIDEO
MASTER
VOLUME
NC
-29V
NC
NC
+5.6V
+5V
SPEAKERS
A
SPEAKERS
B
MPP Type only
NC
NC
MDC Type :
DUMMER
MPP Type :
RT/RTY/TP
<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.
FL DRIVER
NC
NC
FL TUBE
A
1
2
3
4
5
B
C
D
E
F
G
H