Onkyo TX-SA705 Service Manual page 8

A
SCHEMATIC DIAGRAMS-1 (SD-1)
AUDIO SECTION
NAAF-9142(1/2)
U01
AMPLIFIER PC BOARD
1
2
3
VCR/DVR OUT
4
5
B
TO NADG-9269
P304
P5505
P7900
R5500
RI
330
R5541
R5501
R
330
TUNER
220K
220K
TX-SA705 Only
R5502
L
330 R5542
C5701
102
R5543
R5503
R
330
220K
CD
220K
R5504
L
330
R5544
R5545
R5505
R
330
220K
TAPE OUT
220K
R5506
L
330
R5546
R5547
R5507
R
330
220K
TAPE IN
220K
R5508
L
330
R5548
C5702
102
R5549
R5509
R
330
220K
GAME/TV IN
220K
R5510
L
330
R5550
C5703
102
R5553
R5513
R
330
220K
CBL/SAT IN
220K
R5514
L
330
R5554
R5555
R5515
R
330
220K
220K
R5516
L
330
R5556
R5557
R5517
R
330
220K
VCR/DVR IN
220K
R5518
L
330
R5558
C5704 102
R5519
FR
330
R5520
FL
330
R5561
SR R5521
330
220K
220K
R5522
SL
330 R5562
C5705 102
R5563
R5523
SW
330
220K
220K
R5524
C
330
R5564
R5565
R5525
SBR
330
220K
220K
R5526
SBL
330
R5566
C5706 102
NAETC-9147
R6210
C6001
C6002
1
223Z
10K
6
1/50
2
C6003
7
1/50
R6211
3
RS232
1/50
330
8
C6007
C6006
R6212
4
1/50
9
330
5
RS-232C Tranceiver
DC Type Only
TO NADG-9269(2/2)
TO NARF-9267
SD5:D5 SD-14:G3
P303
JL5502A
R5537
47K
R5538
R5575
47K
R5576
C5501
221J
R5577
C5502
221J
R5578
R5579
220K
C5503
221K
C5504
221K
C5505
NC
C5506
NC
C5507
221J
C5508
221J
C5509
221J
C5510
221J
C5513
221J
C5514
221J
C5515
NC
C5516
NC
C5517
221J
C5518
221J
R5559
220K
C5519
221K
R5560
220K
C5520
221K
J5000
C5521 0
221J
C5522
J5001
221J
0
C5523
221J
C5524
221K
C5525
221J
C5526
221J
U05 RS232 PC BOARD
R6208
1 16
EN FORCEOFF +3.3V
L6001
2 15 10K +3.3S
C1+ VCC
3 14 022M 232TXD
V+ GND
4 13 232RXD
C1- T1OUT
5 12 R6209 GND232
C2+ FORCEON
R6206
6 11 10K
C2- T1IN
10 330
7
V- INVALID
R6207
8 9
R1OUT
R1IN
330
Q6311
ICL3221ECVZ
TX-SR705/SA705
C
TO NADG-9269(2/2)
SD-5:D5
SD-5:C5
P302
220K
220K
47K
47K
64
1
INL9 1-C
2
63
INR9 1-OUT
62 3
INLA/RECL1
AGND
61 4
INRA/RECR1 2-OUT
5
60
INL8 2-C
59 6
INR8 3-C
58 7
INL7 3-OUT
57 8
INR7 AGND
56 9
INL6 4-OUT
10
55
INR6 4-C
54 11
INL5
5-C
12
53
INR5 5-OUT
13
52
Q5501
INL4 AGND
51 14
INR4
R2S15211FP 6-OUT
15
50
INL3 6-C
16
49
SELECTOR, VOLUME FLC
INR3
48 17
INL2 TONE CONTROL FLOUT
18
47
INR2 AGND
46 19
FROUT
INL1
45
20
INR1 FRC
44 21 474J
42:DATA
AVEE BASS_L1
43 22
41:DGND
CLOCK BASS_L2
42 23 823J
TRE_L
41 24 223J
AVCC
R5001
47K
R5589
47K
1K R5002
-7V
R5823
0
JL6605A
4
3
2
1
D
C5551
47/25
SBR_OUT
47/25
SBL_OUT
C5552
C5553
47/25
C_OUT
47/25 SW_OUT1
C5554
C5555
47/25 SR_OUT
47/25
SL_OUT
C5556
C5557
47/25 R_OUT
C5558 L_OUT
47/25
C5559
R5585
1.8K
C5560
C5561
2SC1815
Q5684
+7V R5674
68
R5684
680
R5685
680
Q5685 R5675
68
2SA1015
22
+12V
R5666
R5901
22
R59
22K
1 GND
2 -12V
3 Z2_R-CH
4 Z2_L-CH
5 +12V
6 Z2MUTE
7
R590
22K
R5902
22