Onkyo TX-SA806 Service Manual page 21

A B
SCHEMATIC DIAGRAMS-14 (SD-14)
DISPLAY SECTION
<Note>
1 SD-x:XY is short for Shcematic Diagram-x and
each socket's location, X=A to H, Y=1 to 5.
<Note>
Refer to SCHEMATIC DIAGRAM-16 (SD-16)
for FL driver IC control waveforms.
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.
2
EX) PRINTING SIDE
CIRCUIT IS SUBJECT TO CHANGE FOR IMPROVEMENT.
NAETC-9090
U26
FRONT OPT PC BOARD
3
U7520
OPT R7520
1
IN
220
3
VCC
2
GND
TORX177L
R7521
R
330
L
R7522
330
COMP
R7523
75
S VIDEO
4
5
4
L7530
022K
2
MIC 3
7
8
1
J7530
P7530
4
GND
3
DATA+
2
DATA-
1
+VBUS
R7561
100
3
5
REMOTE
2
CONTROL 1
R7560 1K
U7560
NJL34H380A
C
NADIS-9085
U21
DISPLAY PC BOARD
JL9303A
1 FLAC1
FLAC1
2
FLAC2
3
-VP
4 FLAC2
+3.3VMPU
+3.3VMPU
-VP
GNDDG
40 DIGSDO
39 DIGCLK
38 FLD1CS
37 FLD2CS
36 FLDRST
35 KEY0
34 KEY1
33 KEY2
32 KEY3
31 LEDLATCH
30 KEYINT1
29 +3.3VST
28 +3.3VMPU
27 GNDDG
26 VOLA
25 VOLB
24 LEDZ3
23 LEDSTBY
22 LEDREADY
21 LEDZ2
20 LEDPURE
19 OPTF
18 REMIN
17 +5VMPU
16 MICDET
15 MICMUTE
14 MIC
13 AUX2_L
12 GNDAUX2
11 AUX2_R
10 +15VA
9 -15VA
8 GNDVD
7 AUX2CV_IN
6 AUX2SY_IN
5 AUX2SC_IN
4 IRINA1
3 IRINA2
2 IRINB1
1 IRINB2
P7501B
JL7560A
JL7560B
1 1
L7520
2 2
022K 3 3
6
C7539
7
10/35
5
Q7520:B
NJM4580M-D
Q7520:A
3 -
1
C7540
10/35 2
+
C7537 Q7533
330J
RN2403
R7537
33K
R7531
100
2 + + R7539
220
R7532 C7535 1
330 10/35
3
C7538 R7538
- 10/35
Q7530:A
NJM4580M-D
Q7530:B
5
7
Not Used
Q7531 6
NC
5
4
3
2
1
Q7550
P204B
RSB12W
Q7551
RSB12W
D E
-VP
P3 49 32 P20 P38
P2 50 31 P21 P37
SEG1
P1 51 49:SEG2 30 P22 P36
SEG0 32:SEG19
SEG21
52 31:SEG20 29 P23 +3.3VMPU
+3.3VMPU VCC2 SEG22
53 28 P24 16G
DIG15/SEG39 SEG23
54 27 P25 15G
DIG14/SEG38 SEG24
55 26 P26 14G
DIG13/SEG37 SEG25
GNDDG
56 25 P27 13G
DIG12/SEG36 Q7502 SEG26
57 24 -VP 12G
DIG11 -VP
58 M66005-0001AHP 23 P28 11G
DIG10 SEG27
59 22 P29 10G
DIG9 SLAVE SEG28
60 21 P30 9G
DIG8 SEG29
61 20 P31 8G
DIG7 SEG30
62 64:DIG4 19 P32 7G
DIG6
SEG31
63 18 P33 6G
DIG5 SEG32
64 17 P34 5G
SEG33
C7526 NC
C7525 NC
NC
C7594 C7514
C7593 NC 104Z
104Z
C7519
WF62
WF63 WF61
FLDRST
DIGSDO 11 10
DATA P12
DIGCLK 12 9
CLK P11
13 8
STB P10
14 7
CLR P9
15 6
NC NC
Q1 16 5
P1 VSS
Q2 17 4
P2 P8
Q3 18 3
P3 P7
19 2
P4 P6
+3.3VMPU
20 1
VDD P5
Q7595
NJU3713AV
LEDLATCH
Q7596
DTC123JKA
D7596-D7606:GREEN LED:SLR-342MGTE7P
+3.3VMPU
D7596 D7597 D7598 D7599
D7600
DVD VCR/DVR CBL/SAT GAME/TV AUX1
Q5
Q6
Q7
Q8
Q9
+3.3VMPU
D7601 D7602 D7603 D7604 D7605
AUX2 TAPE TUNER CD PHONO
NET/USB
Q10
Q11
Q12
Q1
Q2
Q3
220
+3.3VST
KEYINT1
KEY0_1
R7612 R7613 R7614
330 470
GNDDG
KEY1
R7621 R7622 R7623 R7624
270 330 470
GNDDG
KEY2
R7631 R7632 R7633 R7634
330 560
270 470
GNDDG
R7641 270
KEY3
R7642 R7643 R7644
330 470
GNDDG
F G
Q7500
HNA-16SL04T
FL TUBE
32
49 P55
50 31 P56
SEG1
49:SEG2
51 32:SEG19 30 P57
SEG0 SEG21
31:SEG20 29
52 P58
VCC2 SEG22
53 28 P59
DIG15/SEG39 SEG23
54 27 P60
DIG14/SEG38 SEG24
55 26 P61
DIG13/SEG37 SEG25
56 25 P62
DIG12/SEG36 Q7501 SEG26
57 24 -VP
DIG11 -VP
58 M66005-0001AHP 23 P63
DIG10 SEG27
59 22 P64
SEG28
DIG9 MASTER
21
60 P65
DIG8 SEG29
61 20 P66
DIG7 SEG30
62 19 P67
DIG6 64:DIG4 SEG31
63 18 P68
DIG5 SEG32
64 17 P69
SEG33
NC C7532
WF63 NC C7529
NC
C7528
WF62
NC C7527
WF61
C7511
104Z
+5VMPU
Not Used
Q7598
DTC123JKA
Q7597 R7594
P0 DTC123JKA 120 +5VMPU 1
P0 2
+3.3VMPU +3.3VMPU 3
VOLA VOLA 4
VOLB VOLB 5
GNDDG GNDDG 6
JL7591A
NADIS-9086
U22
DISPLAY PC BOARD
SDPB3DD0C0000-ABCDEF
LEDSTBY 1 1 LEDSTBY
D7591
LEDREADY 2 2 LEDREADY
LEDZ2 3 3 LEDZ2
PURE
LEDZ3 4 4 LEDZ3
AUDIO
5 LEDPURE
LEDPURE 5
BLUE
KEY0 6 6 KEY0
+5VMPU 7 7 +5VMPU
8 GNDDG
GNDDG 8
J7592
KEY0_1 9 9 KEY0_1
JL7590B
JL7590A
Q7591
DTC123JKA
D7606
R7611 270
R7615 R7616 R7617 R7618
560 820 1.2K 2.2K 3.9K
R7625 R7626 R7627 R7628 R7629
560 820 1.2K 3.9K 12K
2.2K
R7635 R7636 R7637 R7638 R7639
820 3.9K 12K
1.2K 2.2K
R7645 R7646 R7647 R7648 R7649
560 820 1.2K 2.2K 3.9K 12K
TX-SR806/SA806
H
NAETC-9088
U24
HEADPHONE
PC BOARD
1 GNDDG
2 HPDET 5
L7580
3 HP_R R7580 4
022K
33(1W) 2 L
4 GND
5 HP_L 3 R
HEADPHONE
R7581 L7581 7
JL4103B
33(1W) 022K 8
1 GND
L7582
P7580
022K
E7580
NAETC-9091
U27 VOLUME
PC BOARD
+5VMPU
D7590
VOLUME
SDPB3DD0C
0000-ABCDEF BLUE
P0
+3.3VMPU
1
MASTER
1
R7592 2
2
10K
3 VOLUME
3
R7593
4 VOLA
10K
5 VOLB
6 GNDDG
S7590
JL7591B
EC12E2425
SLI-343URC-TE7
SLR-342MGTE7P J7593
D7592
D7595
D7593
NC D7594
NC
ZONE3 ZONE2 STANDBY
GREEN RED
GREEN
Q7594
NC
Q7593
Q7592
DTC123JKA
NC
Q7611
1 14
1A VCC
2 13
1B 4B
AND
3 12
1Y 4A
4 11
2A X4 4Y
5 10
2B 3B
6 9
2Y 3A
7 8
GND 3Y
TC74VHC08F(EL_K_F)