Integra DTR-6.9 Service Manual page 41

A B
SCHEMATIC DIAGRAMS-14 (SD-14)
DISPLAY SECTION
NAPS-9530
U25 POWER SUPPLY PC BOARD
1
1
10(1/2W)
2
RL1N4003
R7810
3 -VP_AC1
4 -VP_AC2 D7812
5 FLAC1
6 FLAC2
P9301A D7814
RL1N4003
P7501B
40 DIGSDO
39 DIGCLK
38 FLD1CS
37 FLD2CS
36 FLDRST
35 KEY0
2 34 KEY1
33 KEY2
32 KEY3
31 GNDDG
30 KEYINT0
29 +3.3VST
28 +3.3VMPU
27 KEYINT1
26 VOLA
25 VOLB
24 GNDDG
23 LEDSTBY
22 GNDDG
21 LEDZ2
20 LEDPURE
19 OPTF
18 REMIN
17 +5VMPU
16 MICDET
15 MICMUTE
14 MIC
13 AUX_L
12 GNDAUX
11 AUX_R
10 +15VA
9 -15VA
8 GNDVD
7 AUXCV_IN
6 AUXSY_IN
5 AUXSC_IN
4 IRINA1
3
3 IRINA2
2 IRINB1
1 IRINB2
NAETC-9529
U24
TERMINAL PC BOARD
R7520
U7520 1
IN
L7520
47
022K
3
OPT
VCC
2
GND
TORX177L
R7521
330
R
R7522
AUDIO
330
L
R7523
75
4
VIDEO
Y
S VIDEO
C
P7522
5
4 L7530
022K
2
SETUP MIC 3
7 R7531
100
8
1
P7530
E7530
R7561
100
3
5 2
REMO
1
U7560
NJL34H380A
IR
C
NADIS-9526
U21 DISPLAY PC BOARD
RL1N4003 2SC2235-O
D7813
R7804
JL7803A JL7803B
10(1/2W) Q7801
1 1 +3.3VMPU
2 2
3 3
D7815 L7500
022K
RL1N4003 4 4
5 5 -VP
R7808
FLAC1
1(1/2W)
FLAC2
*
JL7560B
JL7560A
1 1
2 2
3 3
6
7
5
Q7520:B
10/50
C7539
NJM4580D-D
3
10/50 Q7520:A
1
C7540
2
1 1
2 2
C7533
3 3 47/35
4 4
5 5
6 6
7 7
8 8
9 9
C7537
330J
R7537
33K
2
1
330
C7535 3
C7538
10/50
R7532 10/50 Q7530:A
NJM4580D-D
Q7530:B
5
7
6
R7560
1K
D E
-VP
P3 49 32 P20
P2 50 31 P21
SEG1 SEG20
P1 51 49:SEG2 30 P22
32:SEG19
SEG0 SEG21
+3.3VMPU 52 29 P23
VCC2 SEG22
53 28 P24
DIG15/SEG39 SEG23
54 27 P25
DIG14/SEG38 SEG24
55 26 P26
GNDDG DIG13/SEG37 SEG25
56 25 P27
DIG12/SEG36 Q7502 SEG26
57 24 -VP
DIG11 -VP
58 M66005-0001AHP 23 P28
DIG10 SEG27
59 22 P29
DIG9 SLAVE SEG28
60 21 P30
DIG8 SEG29
61 20 P31
DIG7 SEG30
62 64:DIG4 19 P32
DIG6 SEG31
63 18 P33
DIG5 SEG32
64 17 P34
SEG33
C7526 NC
C7525 NC
C7594
NC C7514
C7593 NC 104J
C7519
104J
WF62
WF61
WF63
NAETC-9527
VOLUME PC BOARD
JL7590A JL7590B
+3.3VMPU 1 1
VOLA 2 2
VOLB 3 3
R7592
GNDDG 4 4 1
5 5
10K
3
R7593
10K
S7590
EC12E2425
Rotary Encoder
LEDSTBY
+5VMPU
LEDZ2
GNDDG
Q7593
KRC105M
KEYINT0
Q7533
KEYINT1
KRA103M
KEY0
R7611 R7612 R7613
R7539
270 330 470
220
R7538
220
GNDDG
KEY1
R7621 R7622 R7623
Q7532 270 330 470
RN1241-A
GNDDG
KEY2
R7631 R7632 R7633
270 330 470
GNDDG
KEY3
R7641 R7642 R7643
330
270 470
GNDDG
F G
Q7500
HNA-16SL04T
FL TUBE
P38 49 32 P55
P37 50 31 P56
SEG1 SEG20
P36 51 32:SEG19 30 P57
49:SEG2
SEG0 SEG21
+3.3VMPU 52 29 P58
VCC2 SEG22
16G 53 28 P59 <Note>
DIG15/SEG39 SEG23
15G 54 27 P60
DIG14/SEG38 SEG24 Refer to SCHEMATIC DIAGRAM-16 (SD-16)
14G 55 26 P61
DIG13/SEG37 SEG25
13G 56 25 P62 for FL driver IC control waveforms.
DIG12/SEG36 Q7501 SEG26
12G 57 24 -VP
DIG11 -VP
11G 58 M66005-0001AHP 23 P63
DIG10 SEG27
10G 59 22 P64
DIG9 MASTER SEG28
9G 60 21 P65
DIG8 SEG29
8G 61 20 P66
DIG7 SEG30
7G 62 19 P67
DIG6 64:DIG4 SEG31
6G 63 18 P68
DIG5 SEG32
5G 64 17 P69
SEG33
NC C7532
WF63 NC C7529
C7528
NC
WF62
NC C7527
WF61
C7511
104J
NAETC-9528
U22 U23
1 GNDDG
2 HPDET
3 HP_R R7580 L7580
022K
33(1W)
4 GND
5 HP_L
MASTER R7581 L7581
JL4103B
2 33(1W) 022K
VOLUME
L7582
022K
E7580
SLI-343URC-TE7
SLR-342MGTE7P
D7593 D7595
ZONE2
STANDBY
GREEN
RED
Front Selector Button
R7614 R7615 R7616 R7617 R7618
560 820 1.2K 2.2K 3.9K
R7624 R7625 R7626 R7627 R7628
560 820 1.2K 2.2K 3.9K
R7634 R7635 R7636 R7637 R7638
560 820 1.2K 3.9K
2.2K
R7644 R7645 R7646 R7647 R7648
560 820 3.9K
1.2K 2.2K
DTR-6.9
H
<Note>
SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
NOTE
!
THE COMPONENTS IDENTIFIED BY MARK ARE CRITICAL FOR SAFETY.
REPLACE ONLY WITH PART NUMBER SPECIFIED.
BOLD 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.
HEADPHONE PC BOARD
5
4
L
2
HEADPHONE
3
7 R
8
1 GND
C7580
102K P7580
R7629
12K
R7639
12K
R7649
12K