Onkyo 9555 - A Amplifier User manual

A-9555
SERVICE MANUAL
SERVICE MANUAL
INTEGRATED AMPLIFIER
Black, Silver and Golden models
MODEL A-9555
Ref. No. 3920
122005
G UGT, G MGT
G UDT, G MDT
G UGR, G MGR
220-230V AC, 50/60Hz
120V AC, 60Hz
220-230V AC, 50/60Hz
120V AC, 60Hz
230-240V AC, 50Hz
B UDC, B MDC
B UPP, B MPP
120V AC, 60Hz
230-240V AC, 50Hz
S UDC, S MDC
S UPP, S MPP
RC-627S
RC-627S
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
SPECIFICATIONS
Power output :
Dynamic power :
THD (total harmonic distortion) :
Damping factor :
Input sensitivity and impedance :
Output level and impedance :
Phono overload :
Frequency response :
Tone control :
SN ratio :
Speaker impedance :
Power supply :
Power consumption :
Stand-by power consumption :
Dimensions (W x H x D) :
Weight:
Analog inputs :
Analog outputs :
Speaker outputs :
Phones :
100 W + 100 W (8 , 1 kHz, DIN)
200 W + 200 W (4 , 1 kHz, JEITA)
230 W + 230 W (3 , Front)
200 W + 200 W (4 , Front)
120 W + 120W (8 , Front)
0.08 % (1 kHz, 1 W)
25 (Front, 1 kHz, 8 )
200 mV, 50 k (CD)
2.5 mV, 50 k (PHONO MM)
200 mV, 2.2 k (REC OUT)
70 mV (MM, 1 kHz, 0.5 %)
10 Hz - 60 kHz, +1 dB -3 dB (CD)
+10 dB, -10 dB, 100 Hz (BASS)
+10 dB, -10 dB, 20 kHz (TREBLE)
+10 dB, 50 Hz (LOUDNESS)
+2 dB, 10 kHz (LOUDNESS)
100 dB (CD, IHF-A)
70 dB (PHONO, IHF-A)
4 - 16
AC 230-240 V, 50 Hz
AC 220-230 V, 50/60 Hz
AC 120 V, 60 Hz
125 W
0.3 W
435 x 148 x 431 mm
13.0 kg
PHONO, CD, TUNER, TAPE, MD, HDD, LINE
MD, TAPE
2 (A, B)
1
Specifications and features are subject to change without notice.
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
SERVICE PROCEDURE
1. Replacing the fuses
REF.NO.
F901
F901
F901
PART NO.
252260GR
252276GR
252276GR
DESCRIPTION
6.3A-T/UL-ST2
3.15A-SE-TL250V
3.15A-SE-TL250V
This symbol located near the fuse indicates that the
fuse used is show operating type, For continued protection against
fire hazard, replace with same type fuse , For fuse rating, refer to
the marking adjest to the symbol.
Ce symbole indique que le fusible utilise est e lent.
Pour une protection permanente, n'utiliser que des fusibles de meme
type. Ce demier est indique la qu le present symbol est apposre.
PART NAME
FUSE
FUSE
FUSE
Q'TY
1
1
1
REMARKS
<DC, DT>
<PP>
<GT, GR>
2. Initialize the unit.
(1) Press and hold down the PURE DIRECT button, then press the LOUDNESS button.
All indicators light up
(2) Disconnect the AC power cord from a wall outlet.
3. Setting position before shipment.
(1) POWER switch : ON
(2) BASS : CENTER
(3) TREBLE : CENTER
(4) SPEAKER SELECTOR : SPEAKER A
(5) VOLUME : MIN.
<Notes>
<DC> : Canadian model
<PP> : European model
<GT> : Asian model
<DT> : Taiwanese model
<GR> : Chinese model
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
A-9555
EXPLODED VIEW A083
x 4 pcs.
A082
x 2 pcs.
P101A
x 2 pcs.
A045
x 2 pcs.
A085
x 2 pcs.
A085
x 2 pcs.
A045
x 2 pcs.
A046
x 2 pcs.
A046
A046
x 2 pcs.
A048
x 3 pcs.
A048
x 3 pcs.
A036
x 3 pcs.
A035
x 2 pcs.
A100
A104
x16 pcs.
A139
x 2 pcs.
E401
x 8 pcs.
A002
x 10 pcs.
A002
x 4 pcs.
A002
x 6 pcs.
A002
x 2 pcs.
A138
x 3 pcs.
A123
x 2 pcs.
A002
x 2 pcs.
A061
x 4 pcs.
A033
x 4 pcs.
A033
x 7 pcs.
A030
x 4 pcs.
A063
x 4 pcs.
A064
x 4 pcs. A026
x 4 pcs.
A022
x 4 pcs.
A025
x 4 pcs.
A062
x 4 pcs.
A084
x 2 pcs.
A034
x 4 pcs.
A123
x 2 pcs.
A130
x 3 pcs.
A137
x 3 pcs.
A142
x 2 pcs.
A128
x 4 pcs.
A125
x 3 pcs.
A126
x 3 pcs.
A001
A034
A131
A009
A006
A053
A008
A052
A051
A145
A029
A116
A084
A117
A110
A121
A145
A021
A122
A127
A105
A124
A141
A140
U05
A081
A135
U13
U12
U01
U06
U03
U02
P212
U07
U09
F901
F901C
A103 A102
A043
A086
A043
A101
U11
T911
U08
A037
A963
x 8 pcs.
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
BLOCK DIAGRAM
A-9555
REM IN
POWER
+5.6V
5V 12V
RELAY +12V
AC IN
FUSE
PHONO
CD
TUNER
LINE
HDD
NJW1157
VL DIGITAL
MICROPROCESSOR
BACK UP
KEY / INPUT SELECTOR
RI
PHONES
INTERFACE
RI
HEAD PHONE AMP.
+/-15V
LOUDNESS
TONE
TONE
+/-15V+/-7V
POWER AMP.
52
51
65
64
63
62
61
60
59
58
57
56
55
54
53
48
46
42
44
30
28
29
21
26
24
22
25
23
43
41
74
73
73
71
70
69
68
67
66
27
45
47
94
86
8
1
2
3
4
5
6
7
80
81
82
87
83
84
85
88
89
90
95
91
92
93
+
+
+
STANDBY
LOUDNESS
PURE DIRECT
VOLUME
LINE
HDD
PHONO
CD
TUNER
TA P E
MD
A
A
PHONO
EQUALIZER AMP.
LOUDNESS
MUTING
SPEAKER
DETECTION
SPEAKER
DETECTION
RELAY
LPF
RELAY
PURE
DIRECT
INPUT SELECTOR
MUTE MUTE
REMOTE SENSOR
MAIN TRANS.
SUB TRANS.
POWER AMP.
RED
ORANGE
DRIVER AMP.
MODULATOR
MICROPROCESSOR
BROWN
BLUE
PHONO AMP.
SELECTOR
ANALOG
VOLUME
GREEN
SPEAKERS A
L
R
SPEAKERS B
L
R
TAPE
IN
OUT
MD
IN
OUT
A
1
2
3
4
5
BCDEFGH
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
BLOCK DIAGRAM
A-9555
REM IN
POWER
+5.6V
5V 12V
RELAY +12V
AC IN
FUSE
PHONO
CD
TUNER
LINE
HDD
NJW1157
VL DIGITAL
MICROPROCESSOR
BACK UP
KEY / INPUT SELECTOR
RI
PHONES
INTERFACE
RI
HEAD PHONE AMP.
+/-15V
LOUDNESS
TONE
TONE
+/-15V+/-7V
POWER AMP.
52
51
65
64
63
62
61
60
59
58
57
56
55
54
53
48
46
42
44
30
28
29
21
26
24
22
25
23
43
41
74
73
73
71
70
69
68
67
66
27
45
47
94
86
8
1
2
3
4
5
6
7
80
81
82
87
83
84
85
88
89
90
95
91
92
93
+
+
+
STANDBY
LOUDNESS
PURE DIRECT
VOLUME
LINE
HDD
PHONO
CD
TUNER
TA P E
MD
A
A
PHONO
EQUALIZER AMP.
LOUDNESS
MUTING
SPEAKER
DETECTION
SPEAKER
DETECTION
RELAY
LPF
RELAY
PURE
DIRECT
INPUT SELECTOR
MUTE MUTE
REMOTE SENSOR
MAIN TRANS.
SUB TRANS.
POWER AMP.
RED
ORANGE
DRIVER AMP.
MODULATOR
MICROPROCESSOR
BROWN
BLUE
PHONO AMP.
SELECTOR
ANALOG
VOLUME
GREEN
SPEAKERS A
L
R
SPEAKERS B
L
R
TAPE
IN
OUT
MD
IN
OUT
A
1
2
3
4
5
BCDEFGH
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
SCHEMATIC DIAGRAMS-1
POWER AMPLIFIER SECTION
A-9555
Lch
Rch
GND
M_GND
PRT
+5V
SPRDET
SPLDET
+5V
PWMCNT
DCPRT
+12V
SPBRL
SPBDETRL
SPADETRL
NFMUTE
SPARL
GND
GND
NC NC
(180K)
(180K)
(6.8K)
(6.8K)
4.7
4.7
4.7
4.7
R423
470
R433
2.2K
R435
100K
C432
681
R412
4.7K
R410
4.7K R409
4.7K
R481
120F
R439
22
R449
390
R455
560
R459
560
D403
1SS352
D405
1SS352
C417
102F
C407
47/50
D407
1SS352
C423
101
C427
224
C405
221
R564
220
C535
100/16
C603
103
C565
471
D505
M1FL20U
C555
471
D503
M1FL20U
C601
103
C550
102
D601
1SS352
D602
1SS352
R438
27K
R436
100K
R434
2.2K
C408
47/50
R452
390
R450
390
R460
560
R456
560
Q412
2SC2713
D404
1SS352
D412
1SS352
D408
1SS352
C422
101
C424
TF-C
101
C428
224
R572
33
C538
330/16
C542
224
D504
M1FL20U
C602
103
C556
471
D506
M1FL20U
C566
471
C604
103
D519
S1NB60
D604
1SS352
R622
560
C615
104
Q533
2SC2712
Q534
2SA1162
Q607
RN1402
D512
1SS352
R454
2.2K
R458
2.2K
R641
220K
R607
33K
R601
33K
R545
100K(F)
R546
100K(F)
R608
33K
C531
334
C532 334
R550
100K(F)
R539
0.1
R540
0.1
P602
C404
47/50
C403
47/50
R437
27K
Q606
RN2402
R602
33K
D612
1SS352
P601
D511
1SS352
R549
100K(F)
C596
102
D603
1SS352
D552
UDZS5.6B
R651
NC
R652
NC
R655
NC
R584
3.9K
C572
47/35
C554
224
C536
100/16
R565
220
C559
NC
D509
NC
D507
NC
D508
NC
D510
NC
R611
47K
C553
224
D413
1SS352
D409
1SS352
D414
1SS352
D410
1SS352
R541
0.1
R451
390
R542
0.1
R483
1K
Q621
RN2404
C430
100/6.3
C507
33/35
C571
47/35
C508
33/35
C527
47/16
C607
100/16
C610
1/50
C614
4.7/50
C435
100/25
C437
100/25
C436
100/25
C438
100/25
C511
100/16
C512
100/16
C509
47/63
C510
47/63
R496
220
R498
220
R424
470
R408
470
R407
470
D406
1SS352
R428
100
3
2
1
D411
1SS352
R427
100 1
2
3
R411
4.7K
Q419
RN1441
C411
TF-C
104
R642
220K
C412
TF-C
104
Q420
RN1441
Q622
RN2404
C539
334/250
C540
334/250
C544
153/250
L502
22u
R551
22
R552
22
C406
221
C525
3300/25
P503
P504
P505
R443
27K
R563
1.5K R562
1.5K
Q603
2SC2712-GR
Q604
2SC2712-GR
R484
1K
R401
2.2K
C401
TF-C
221
R402
2.2K
C402
TF-C
221
R623
THERMISTOR
D611
1SS352
C608
224
Q609
RN1402
R445
27K
D401
UDZS5.6B
D402
UDZS5.6B
Q403
2SC2712-GR
Q404
2SC2712-GR
Q531
2SA1837
Q532
2SC4793
R403
220K
R404
220K
R406
56K
R405
56K
R413
390K
R414
390K
R419
2.2K
R420
2.2K
R421
47K
R422
47K
R453
2.2K
R457
2.2K
R493
1.2K
R494
1.2K
R583
3.9K
R582
3.9K
R613
5.6K
R614
82K
R615
82K
R616
6.8K
R617
5.6K
R619
47K
R620
15K
R627
10K
R630
2.2K
R631
10K
R653
15K
R657
15K
R654
15K
R658 15K
R469
0
R471
0
R472
0
Q529
78L05
3I
2G
1
O
Q526
78L05 3
I
2G
1O
R440
33
R441
5.6K
R442
5.6K
R444
27K
R446
27K
R430
47 R432 47
R429
47
R431
47
C421
101
C419
102F
D518
LN15XB60
1
3
4
2
Q401A
HN3C51F-BL
6
21
4
5
3
Q615
TLP283-4
11
6 5
12
R482
120F
R649 NC
R650
NC
R647
NC
R648
NC
R646 0
R645
0
Q402
HN3C51F-BL
5
43
2
6
1
Q406A
HN3A51F 1
6
2
Q406B
HN3A51F
5
3
4
5
3
4Q408
HN3A51F
1
6
2
1
6
2
Q418B
HN3A51F
5
3
4
Q405A
HN3A51F1
6
2
Q405B
HN3A51F
5
3
4
Q407
HN3A51F
3
5
4
Q417
HN3A51F 1
6
25
3
4
Q605B
HN3A51F
5
3
4
1
6
2
Q608
HN3A51F
5
3
4
1
6
2
R618
100K
L505
NCH-1537
2
1 3
4
RL501
RL502
bus1977
P501
P502
Q674
2SA950
R673
390
Q617
RN1402
Q618
RN1402 Q619
RN1402
Q616
RN1402
Q623
RN1402
Q624
RN1402
R672
22K
R635
2.2K
R634
2.2K
4
13 14
3
2
15 16
1
Q411
2SC2713
Q610
2SA1162-GR
Q513B
TPC6901
3
4
2
Q513A
TPC6901
1
5
6
Q517A
TPC6901
1
5
6
Q519
2SA1162-GR
Q517B
TPC6901
3
4
2
Q514A
TPC6901
1
5
6
Q541
2SC2712-GR
C631 NC
C632
NC
Q542
2SC2712-GR
Q516
2SA1162-GR
C633 NC
C634 NC
Q613
M51957BFP
1NC1
2IN
3NC2
4GND 5
C
6
OUT
7
VCC
8
NC3
Q520
2SA1162-GR
Q544
2SC2712-GR
C429
100/6.3
C641
NC
C642 NC
C589
104
C590
104
C622
104
C621
104
5
4 3
Q410
H3C51F-BL
2
6
1
C409 47/25
C410
47/25
C505
47/25
C506
47/25
R489
12K
R490
12K
R492
2.2K
R581
3.9K
R586
2.2K
R669
8.2K
R670
8.2K
R417
0
R418
0
R470
0
R585
2.2K
R668
22K
Q521
FQP34N20
1
32
Q523
FQP34N20
1
3 2
Q522
FQP34N20
1
32
Q524
FQP34N20
1
32
R575
47K
R578
560K
C606
104
C605
104
D551
UDZS5.6B
R491
2.2K
R576
47K
C523
334
C524
TF-C
334
C522
334/100V
C521
334/100V
D517
LN15XB60
1
3
4
2
C520
334/100V
C519
334/100V
R640
100K
C517
18000/75
C518
18000/75
D501
M1FL20U
D502
M1FL20U
C537
330/16
R571
33
Q515
2SA1162-GR
R505
4.7
C541
224
D521
1SS357
R661
560
Q545
2SA1162-GR
Q503
2SC2712
Q547
2SA1162-GR
R663
560
R515
330
D523
1SS357
R514
330
D522
1SS357
Q546
2SA1162-GR
R662
560
R516
330
D524
1SS357
Q548
2SA1162-GR
R664
560
Q514B
TPC6901
3
4
2
Q518A
TPC6901
1
5
6
Q518B
TPC6901
3
4
2
Q409
HN3C51F-BL
4
5
3
R506
4.7
Q416A
TC74AC00FT
2
1
7
3
14
5
46
13
12 11
10
98
12
13
7
11
14
9
10 8
4
56
Q415A
TC74AC00FT
1
23
3 4
5 6
9
7
8
14
11 1012 13
3 4
10 11
9 8
5
7
6
14
12 13
Q414A
TC74AC14FT
2 1
Q413A
TC74AC14FT
1 2
R680
10K
R679
10K
R667
22K L501
22u
C543
153/250
R637
68K
R638
5.6K
R681
R639
8.2K
R682
R603
15K
R604
15K R609
15K
R610
15K
C581
101
C583
101
C585
331
C431
681
C582
101
C584
101
C586
331
R695
10K
R697
10K
R696
10K
R698
10K
L506
NCH-1537
4 3 1
2
RL503 RL504
C549
102
Q530
78L05
3I
2G
1
O
R671 2.2K
Q671
TLP283
3
2 1
4
Q672
RN2402
R633
10K
R632
2.2K
9
8 7
10
Q620
RN1402
Q504
2SC2712
3 2
1
Q673
RN1402
3
1
2
Q502
PZTA42
3 2
1
C562
101
Q501
PZTA42
C561
101
C564
101
C563
101
D515
UDZS15B
D514
UDZS15B
R513
330
R521
10
R522
10
R524
10
R502
560
R508
1.5K
R510
1.5K
R520
150
R518
150
R694
100
R568 100
R692
100
R666 100
R509
1.5K
R507
1.5K
R517
150
R519
150
R523
10
R501
560
R691
100
R665
100
R693
100
R567 100
C418
TF-C
102F
C420
TF-C
102F
6
21
61
2
R504
820
R503
820
R606
56K
R626
56K R625
56K
R605
56K
R612
100K
Q601
2SA1255-Y
Q602
2SA1255-Y
C679 104
C680 104
R636
47K
R643
100K
C611
223
Q543
2SC2712
Q614
2SC2712
R628
68K
R629
12K
R644
68K
R559
0.47
R497
220
R495
220
bus1977
bus1806
bus1977
bus1977
C558
NC
C595
102
C557
NC
R525
6.8
R527
3.3
R533
15
R573
R529
6.8
R531
3.3
R526
6.8
R528
3.3
R534
15
R574
R530
6.8
R532
3.3
R468
2.7K
R467
2.7K
R557
820
R591
R592
R536
6.8
R535
6.8
Q525 78M12
1I
2G
3
O
Q536
78M12
1I
2G
3
O
R558
1.5K
R577
560K
R560
6.8K
R561
6.8K
R415
8.2K
R416
8.2K
R466
1.8K
R465
1.8K
C545 563
C546
563
C548
104
C547 104
L503
3.3u
L504
3.3u
R580
56
R579
56
A
B
To P TRANS.
T911
(SD-5 : A1)
To P TRANS.
T911
(SD-5 : A2)
To P TRANS.
T911
(SD-5 : A2)
U01
AMPLIFIER PC BOARD
NAAF-8708 (1/2)
B
A
LEFT
RIGHT
Lch
Rch
DC OFFSET
ADJUST.
DC OFFSET
ADJUST.
SPEAKERS
To NAAF-8708(2/2)
(SD-2 : D2)
To NAAF-8708(2/2)
(SD-2 : D4)
!
!
!
!
Q548
Q544
RED
RED
ORANGE
ORANGE
BLUE
BLUE
LALB
RBLB
(2W)
(2W)
(2W) (2W)
(1/2W)
+13V
-13V
+13V
-13V
+57V
-45V
-57V
-57V
-52V
-57V
-52V
-57V
+57V
-45V
+57V
-57V
-52V
-57V
-37V
-57V
-57V
-52V
A
1
2
3
4
5
BCDEFGH
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
SCHEMATIC DIAGRAMS-1
POWER AMPLIFIER SECTION
A-9555
Lch
Rch
GND
M_GND
PRT
+5V
SPRDET
SPLDET
+5V
PWMCNT
DCPRT
+12V
SPBRL
SPBDETRL
SPADETRL
NFMUTE
SPARL
GND
GND
NC NC
(180K)
(180K)
(6.8K)
(6.8K)
4.7
4.7
4.7
4.7
R423
470
R433
2.2K
R435
100K
C432
681
R412
4.7K
R410
4.7K R409
4.7K
R481
120F
R439
22
R449
390
R455
560
R459
560
D403
1SS352
D405
1SS352
C417
102F
C407
47/50
D407
1SS352
C423
101
C427
224
C405
221
R564
220
C535
100/16
C603
103
C565
471
D505
M1FL20U
C555
471
D503
M1FL20U
C601
103
C550
102
D601
1SS352
D602
1SS352
R438
27K
R436
100K
R434
2.2K
C408
47/50
R452
390
R450
390
R460
560
R456
560
Q412
2SC2713
D404
1SS352
D412
1SS352
D408
1SS352
C422
101
C424
TF-C
101
C428
224
R572
33
C538
330/16
C542
224
D504
M1FL20U
C602
103
C556
471
D506
M1FL20U
C566
471
C604
103
D519
S1NB60
D604
1SS352
R622
560
C615
104
Q533
2SC2712
Q534
2SA1162
Q607
RN1402
D512
1SS352
R454
2.2K
R458
2.2K
R641
220K
R607
33K
R601
33K
R545
100K(F)
R546
100K(F)
R608
33K
C531
334
C532 334
R550
100K(F)
R539
0.1
R540
0.1
P602
C404
47/50
C403
47/50
R437
27K
Q606
RN2402
R602
33K
D612
1SS352
P601
D511
1SS352
R549
100K(F)
C596
102
D603
1SS352
D552
UDZS5.6B
R651
NC
R652
NC
R655
NC
R584
3.9K
C572
47/35
C554
224
C536
100/16
R565
220
C559
NC
D509
NC
D507
NC
D508
NC
D510
NC
R611
47K
C553
224
D413
1SS352
D409
1SS352
D414
1SS352
D410
1SS352
R541
0.1
R451
390
R542
0.1
R483
1K
Q621
RN2404
C430
100/6.3
C507
33/35
C571
47/35
C508
33/35
C527
47/16
C607
100/16
C610
1/50
C614
4.7/50
C435
100/25
C437
100/25
C436
100/25
C438
100/25
C511
100/16
C512
100/16
C509
47/63
C510
47/63
R496
220
R498
220
R424
470
R408
470
R407
470
D406
1SS352
R428
100
3
2
1
D411
1SS352
R427
100 1
2
3
R411
4.7K
Q419
RN1441
C411
TF-C
104
R642
220K
C412
TF-C
104
Q420
RN1441
Q622
RN2404
C539
334/250
C540
334/250
C544
153/250
L502
22u
R551
22
R552
22
C406
221
C525
3300/25
P503
P504
P505
R443
27K
R563
1.5K R562
1.5K
Q603
2SC2712-GR
Q604
2SC2712-GR
R484
1K
R401
2.2K
C401
TF-C
221
R402
2.2K
C402
TF-C
221
R623
THERMISTOR
D611
1SS352
C608
224
Q609
RN1402
R445
27K
D401
UDZS5.6B
D402
UDZS5.6B
Q403
2SC2712-GR
Q404
2SC2712-GR
Q531
2SA1837
Q532
2SC4793
R403
220K
R404
220K
R406
56K
R405
56K
R413
390K
R414
390K
R419
2.2K
R420
2.2K
R421
47K
R422
47K
R453
2.2K
R457
2.2K
R493
1.2K
R494
1.2K
R583
3.9K
R582
3.9K
R613
5.6K
R614
82K
R615
82K
R616
6.8K
R617
5.6K
R619
47K
R620
15K
R627
10K
R630
2.2K
R631
10K
R653
15K
R657
15K
R654
15K
R658 15K
R469
0
R471
0
R472
0
Q529
78L05
3I
2G
1
O
Q526
78L05 3
I
2G
1O
R440
33
R441
5.6K
R442
5.6K
R444
27K
R446
27K
R430
47 R432 47
R429
47
R431
47
C421
101
C419
102F
D518
LN15XB60
1
3
4
2
Q401A
HN3C51F-BL
6
21
4
5
3
Q615
TLP283-4
11
6 5
12
R482
120F
R649 NC
R650
NC
R647
NC
R648
NC
R646 0
R645
0
Q402
HN3C51F-BL
5
43
2
6
1
Q406A
HN3A51F 1
6
2
Q406B
HN3A51F
5
3
4
5
3
4Q408
HN3A51F
1
6
2
1
6
2
Q418B
HN3A51F
5
3
4
Q405A
HN3A51F1
6
2
Q405B
HN3A51F
5
3
4
Q407
HN3A51F
3
5
4
Q417
HN3A51F 1
6
25
3
4
Q605B
HN3A51F
5
3
4
1
6
2
Q608
HN3A51F
5
3
4
1
6
2
R618
100K
L505
NCH-1537
2
1 3
4
RL501
RL502
bus1977
P501
P502
Q674
2SA950
R673
390
Q617
RN1402
Q618
RN1402 Q619
RN1402
Q616
RN1402
Q623
RN1402
Q624
RN1402
R672
22K
R635
2.2K
R634
2.2K
4
13 14
3
2
15 16
1
Q411
2SC2713
Q610
2SA1162-GR
Q513B
TPC6901
3
4
2
Q513A
TPC6901
1
5
6
Q517A
TPC6901
1
5
6
Q519
2SA1162-GR
Q517B
TPC6901
3
4
2
Q514A
TPC6901
1
5
6
Q541
2SC2712-GR
C631 NC
C632
NC
Q542
2SC2712-GR
Q516
2SA1162-GR
C633 NC
C634 NC
Q613
M51957BFP
1NC1
2IN
3NC2
4GND 5
C
6
OUT
7
VCC
8
NC3
Q520
2SA1162-GR
Q544
2SC2712-GR
C429
100/6.3
C641
NC
C642 NC
C589
104
C590
104
C622
104
C621
104
5
4 3
Q410
H3C51F-BL
2
6
1
C409 47/25
C410
47/25
C505
47/25
C506
47/25
R489
12K
R490
12K
R492
2.2K
R581
3.9K
R586
2.2K
R669
8.2K
R670
8.2K
R417
0
R418
0
R470
0
R585
2.2K
R668
22K
Q521
FQP34N20
1
32
Q523
FQP34N20
1
3 2
Q522
FQP34N20
1
32
Q524
FQP34N20
1
32
R575
47K
R578
560K
C606
104
C605
104
D551
UDZS5.6B
R491
2.2K
R576
47K
C523
334
C524
TF-C
334
C522
334/100V
C521
334/100V
D517
LN15XB60
1
3
4
2
C520
334/100V
C519
334/100V
R640
100K
C517
18000/75
C518
18000/75
D501
M1FL20U
D502
M1FL20U
C537
330/16
R571
33
Q515
2SA1162-GR
R505
4.7
C541
224
D521
1SS357
R661
560
Q545
2SA1162-GR
Q503
2SC2712
Q547
2SA1162-GR
R663
560
R515
330
D523
1SS357
R514
330
D522
1SS357
Q546
2SA1162-GR
R662
560
R516
330
D524
1SS357
Q548
2SA1162-GR
R664
560
Q514B
TPC6901
3
4
2
Q518A
TPC6901
1
5
6
Q518B
TPC6901
3
4
2
Q409
HN3C51F-BL
4
5
3
R506
4.7
Q416A
TC74AC00FT
2
1
7
3
14
5
46
13
12 11
10
98
12
13
7
11
14
9
10 8
4
56
Q415A
TC74AC00FT
1
23
3 4
5 6
9
7
8
14
11 1012 13
3 4
10 11
9 8
5
7
6
14
12 13
Q414A
TC74AC14FT
2 1
Q413A
TC74AC14FT
1 2
R680
10K
R679
10K
R667
22K L501
22u
C543
153/250
R637
68K
R638
5.6K
R681
R639
8.2K
R682
R603
15K
R604
15K R609
15K
R610
15K
C581
101
C583
101
C585
331
C431
681
C582
101
C584
101
C586
331
R695
10K
R697
10K
R696
10K
R698
10K
L506
NCH-1537
4 3 1
2
RL503 RL504
C549
102
Q530
78L05
3I
2G
1
O
R671 2.2K
Q671
TLP283
3
2 1
4
Q672
RN2402
R633
10K
R632
2.2K
9
8 7
10
Q620
RN1402
Q504
2SC2712
3 2
1
Q673
RN1402
3
1
2
Q502
PZTA42
3 2
1
C562
101
Q501
PZTA42
C561
101
C564
101
C563
101
D515
UDZS15B
D514
UDZS15B
R513
330
R521
10
R522
10
R524
10
R502
560
R508
1.5K
R510
1.5K
R520
150
R518
150
R694
100
R568 100
R692
100
R666 100
R509
1.5K
R507
1.5K
R517
150
R519
150
R523
10
R501
560
R691
100
R665
100
R693
100
R567 100
C418
TF-C
102F
C420
TF-C
102F
6
21
61
2
R504
820
R503
820
R606
56K
R626
56K R625
56K
R605
56K
R612
100K
Q601
2SA1255-Y
Q602
2SA1255-Y
C679 104
C680 104
R636
47K
R643
100K
C611
223
Q543
2SC2712
Q614
2SC2712
R628
68K
R629
12K
R644
68K
R559
0.47
R497
220
R495
220
bus1977
bus1806
bus1977
bus1977
C558
NC
C595
102
C557
NC
R525
6.8
R527
3.3
R533
15
R573
R529
6.8
R531
3.3
R526
6.8
R528
3.3
R534
15
R574
R530
6.8
R532
3.3
R468
2.7K
R467
2.7K
R557
820
R591
R592
R536
6.8
R535
6.8
Q525 78M12
1I
2G
3
O
Q536
78M12
1I
2G
3
O
R558
1.5K
R577
560K
R560
6.8K
R561
6.8K
R415
8.2K
R416
8.2K
R466
1.8K
R465
1.8K
C545 563
C546
563
C548
104
C547 104
L503
3.3u
L504
3.3u
R580
56
R579
56
A
B
To P TRANS.
T911
(SD-5 : A1)
To P TRANS.
T911
(SD-5 : A2)
To P TRANS.
T911
(SD-5 : A2)
U01
AMPLIFIER PC BOARD
NAAF-8708 (1/2)
B
A
LEFT
RIGHT
Lch
Rch
DC OFFSET
ADJUST.
DC OFFSET
ADJUST.
SPEAKERS
To NAAF-8708(2/2)
(SD-2 : D2)
To NAAF-8708(2/2)
(SD-2 : D4)
!
!
!
!
Q548
Q544
RED
RED
ORANGE
ORANGE
BLUE
BLUE
LALB
RBLB
(2W)
(2W)
(2W) (2W)
(1/2W)
+13V
-13V
+13V
-13V
+57V
-45V
-57V
-57V
-52V
-57V
-52V
-57V
+57V
-45V
+57V
-57V
-52V
-57V
-37V
-57V
-57V
-52V
A
1
2
3
4
5
BCDEFGH
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
SCHEMATIC DIAGRAMS-2
PRE-AMPLIFIER SECTION
A-9555
M_GND
GND
Rch
Lch
HPMUT
+5V
STB
CLK
DATA
AMUT
HPIN
RI
+15V
-15V
GNDD
GND
GNDD
GNDD
GND
MAIN IN RL
TONE RL
+12V
DCPRT
PRT
RI
DATA
STB
CLK
HPIN
SPLDET
SPARL
SPADETRL
SPBRL
SPBDETRL
NFMUTE
SPRDET
HPMUT
TONE RL
AMUT
MAIN IN RL
GNDD
GNDD
HPL
HPE
HPR
GND
HPIN
LCH_IN
RCH_IN
LCH_OUT
RCH_OUT
BGND
-15V
+15V
+12V
GND
GND
GND
+5V
GND
CD
TUNER
TAPE
MD
HDD
LINE
IN
OUT
OUT
IN
BASS
TREBLE
NAETC-8717
BASS
R203
330
R202
330
R204
330
R207
330
R208
330
R211
330
R212
330
R213
330
R214
330
R215
330
R221
220K
R222
220K
R225
220K
R226
220K
C202
101K
C204
101K
C206
101K
C207
101K
C208
101K
C209
101K
C210
101K
C211
101K
C212
101K
C213
101K
C214
101K
C215
101K
C203
101K
R216
330
R235
R236
C216
101K
C217C218
R201
330 C201
101K
C205
101K
C222
1/50
+
C223
4.7/50
+
C225
47/16
+
C226
47/16
+
C229
10/16
+
C230
10/16
+
C231
10/16
+
C236472J
P202
C237
NC
Q342
RN2402
R361
220K
R362 220K
R363
220K
R364
220K
R369
47
R370
47
R371
220K
R372
220K
R377
22
R378
22
C354
101
Q961
78M12
2G
1I3
O
Q962
78M05
2G
1I3
O
R968
22(1/2W)
D341
1SS352
D342
1SS352
D959
S1NB60
R347
220K
R348
220K
R351
220K
R352
220K
C224
4.7/50
+
C232
10/16
+
C356
220/16
C355
220/16
C972
10/50
L201
Q201
NJW1157
51 L1IN
52 R1IN
53 L2IN
54 R2IN
55 L3IN
56 R3IN
57 L4IN
58 R4IN
59 L5IN
60 R5IN
61 L6IN
62 R6IN
63 L7IN
64 R7IN
65 L8IN
66 R8IN
67 L9IN
68 R9IN
69 L10IN
70 R10IN
71 L11IN
72 R11IN
73 L12IN
74 R12IN
75 NC
76 DGND
77 DATA
78 CLOCK
79 LATCH
80 LAIN
81 RAIN 82 CAIN 83 LSAIN 84 RSAIN 85 LBAIN 86 RBAIN 87 SWAIN 88 LBIN 89 RBIN 90 CBIN 91 LSBIN 92 RSBIN 93 LBBIN 94 RBBIN 95 SWBIN 96 GND 97 GND 98 VSS2 99 VDD2
100 TCCAP
1
LOUT
2
ROUT
3
COUT
4
LSOUT
5
RSOUT
6
LBOUT
7
RBOUT
8
SWOUT
9
DC_L1
10
DC_L2
11
FIL_BL
12
FIL_TL
13
DC_R1
14
DC_R2
15
FIL_BR
16
FIL_TR
17
GND
18
GND
19
V+
20
V-
21
REC_A1L
22
REC_A1R
23
REC_A2L
24
REC_A2R
25
REC_A3L
26
REC_A3R
27
REC_B1L
28
REC_B1R
29
REC_B2L
30
REC_B2R
31
DCCAP_L
32
DCCAP_R
33
DCCAP_C
34
GND
35
GND
36
DCCAP_LS
37
DCCAP_RS
38
DCCAP_LB
39
DCCAP_RB
40
DCCAP_SW
41
DCL_OUT
42
DCL_IN
43
DCR_OUT
44
DCR_IN
45
FL+
46
FL-
47
FR+
48
FR-
49
VDD
50
VSS
R245
220K
R341
220K
C969
2200/25
C240
NC
C241
102
C349
47/50
+
C350
47/50
+
C341
47/50
+
C342
47/50
+C344
47/50
+
C343
47/50
+
R239 NC
R240 NC
R238
0
R237
47
C239
102
P204
C971
100/50
R205
2.2K
P201
R206
2.2K
R209
2.2K
R210
2.2K
+15V
-15V
C359
104J
C360
104J
R246
220K
R342
220K
Q341A
NE5532AP
3
2
4
1
8
Q341B
NE5532AP
6
5
7
Q348B
NE5532AP
6
5
4
7
8
R233
R234
RL342
RL341
J302
J301
R339
100
R340
100
Q349
2SD655
R373
2.2K
Q348A
NE5532AP
3
2
1
C353
101
Q343
2SD655
Q344
2SD655 Q346
2SD655
C361
104
C362
104
C363
104
C364
104
C365
104
C366
104
R375
2.2K
R376
2.2K
Q351
2SD655
Q352
2SD655
C367
104
C368
104
R353
2.2K
Q345
2SD655
R355
2.2K
R354
2.2K R356
2.2K
JL206B
R365
10K
R367
1.5K
R368
1.5K
R366
10K
C351
220/10
+
C352
220/10
+
C234 472J
C235224J
C233 224J
C968
334J
C348
474J
C358
474J
R382
100K
+15V -15V
R358
220K
R241
100
R242
100
R243
100
C967
334J
C973
334J
R343
1K
R344
1K
P203
Q957
2SA965
Q959
2SC2712
C965
220/16
R961
56
R963
1.8K
D957
UDZS7.5B
C975
220/25
C963
47/25
Q960 2SA1162
Q958 2SC2235
R962
56
R964
1.8K
D958
UDZS7.5B
C976
220/25
C964
47/25
C966
220/16
C238
NC
R967
2.2(1/2W)
P211
-15V +15V
R379
22
R380
22
C345 220/16
C346
220/16 R357
220K
R381
100K
Q353
RN1402
Q354
RN1402
C306
333J
C307
333J
C309
222J
R311
10K
R312
10K R313
10K
R315
10K
R316
10K
R317
3.9K
R323
1.5K
R324
1.5K
C310
222J
R318
3.9K
R314
10K
C305
333J
C308
333J
R319B50K
R327
220K
R328
220K
C311
47/50
C312
47/50
Q302A
3
2
8
1
4
Q302B
6
5
7
C332
220/16
R331
22(1/2W)
220/16
R332
22(1/2W)
C957
100/35
C958
100/35
-15V +15V
C955
47/25
C956
47/25
Q953
2SC2712
Q954
2SA1162
Q952
2SC3851
D955
UDZS15B
D956
UDZS15B
R956
2.2K R955
2.2K
C953
2200/50
+
C954
2200/50
+
D953
D954
bus1869
R951
0.47(1/2W)
R952
0.47(1/2W)
C951
334J
C952
334J
D951D952
P209
R306
4.7K
Q301B
5
6
7
R302
NC
R304
4.7K
C302
47/50
+
R326
470
R310
1.2K
C304
47/50
+
C303
47/50
+
Q301A
2
3
4
1
8
R303
4.7K
R301
NC
C301
47/50
+
R325
470
R305
4.7K
R309
1.2K
P212A
P881
P882
C882
102J
C881
102J
C884
104Z
C883
104Z
JL206A
P209A
P205
R319A50K
R320A 50K
R320B 50K
P102B
L882
022M
L881
022M
L883
022M
JL210B
Q350
2SD655
R374
2.2K
C970
220/25
R359
2.2K
R360
2.2K
C228
47/16
+
C227
47/16
+
R345
470
R346
470
R349
470
R350
470
R958
330
R966
470
R965
470
R957
330
Q951
2SA1488
C347
105J
Q347
RN2402
C357
105J
C331
U01
AMPLIFIER PC BOARD
NAAF-8708 (2/2) U02
TONE CONTROL PC BOARD
NAAF-8710
U03
HEADPHONE JACK
PC BOARD
TREBLE
RI
D951 - 954 : RL1N4003
PHONES
To NAAF-8711
(SD-4 : E2)
To NADIS-8709
(SD-3 : A1)
To NADIS-8709
(SD-3 : D4)
To P TRANS T912
(SD-5 : A3)
BROWN
BLACK
BROWN
To P TRANS T912
(SD-5 : A2)
GREENGREEN
<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.
To NAAF-8708(1/2)
(SD-1 : A2)
NC
NC
SELECTOR/VOLUME
A
1
2
3
4
BCDE
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com

A-9555
SCHEMATIC DIAGRAMS-3
MICROPROCESSOR SECTION
A-9555
RI
HPIN
STB
ACPOWER
NF_MUTE
SPBRL
SPARL
+5V
VOLGND
+5V
MUT+5V
HS
SI
SO
VPP
VDD
RESET
GND
VOL+5V
DATA
CLK
PRT
DCPRT
VOLAD
TONE RL
MAIN_IN
VOLUP
VOLDN
AMUT
HPMUT
MUT+5V
VOLAD
OUT2
OUT1
POFF
ACPOWER
+9V
PRT DCPRT HPMUT NF_MUTE MAIN_IN AMUT TONERL SPRDET SPBDETRL SPBRL SPADETRL SPARL SPLDET HPIN STB DATA CLK RI DGND DGND
OUT1
OUT2
VOL5V
DGND
VOLAD
VOLLED
VOL+5V
RLGND
VOLGND
CD
TUNER
FLASH WRITER
OFF
TAPE
STANDBY
HDD
LINE
PHONO
VOLUME
LOUDNESS
NC
LOUDNESS
PURE DIRECT
MD
INPUT
SELECTOR
NC
NADIS-8709
NAETC-8719
NAETC-8713
NADIS-8712
RLGND
RLGND
RLGND
DGND
+12V
NAETC-8718
PURE
DIRECT
D816
1SS352
C813
104Z
C814
104Z
C816
104Z
R804
3.3K
R839
47K
R852
22
U801
GP1UM281XKVF
1
2
3
Q804
RN1402 Q805
RN1402 Q806
RN1402 Q807
RN1402 Q808
RN1402 Q810 RN1402
C815
100/6.3
C812
1/50
S805
R836
2.7K
R838
390
R841
18K
R844
1.8K
R845
1.2K
R846
1K
R847
680
R851
270
S803
R848
560
R849
470
R850
330
R843
3.3K
R842
6.8K
C811
104Z
R801
1K
C805
0.1F
C806
330/6.3
R854
220
R853 47K
R892 0
R893 0
R894
0
R891
0
D817
1SS352
Q814
RN2402
R859 1K
R858 1K
R857 1K
R868 10K
R867 10K
Q803
R885
0
R834
2.7K
R832
3.3K
R875
390
R876
470
R877
820
R878
1k
R873 10K
Q813
RN1404
P801
R837
JL781A
R871
10K
Q816
2SC2712-GR
S801
2
1
8
9
10 7
6
5
4
3
P803B
D805
R806
150
R807
150
R808
150
R809
150
R810
150
R811
150
R812
150
D804
1SS352
R822 47
R823 47
R824 47
R825 220
R826 220
R828 1K
R829 1K
R830 1K
R831 33K
R821 220
R827 47
C809
104Z
C810 104Z
R833 33K
R835
2.7K
R81810K R8191K R8201K R81710K R8161K R8151K
C808
104Z
R870 1K
R869 1K
R865 220
R886 0
R866 220
R864 1K
R855
10K
D818
UDZS5.6B
R856 220K
X801
4MHz
R805
R881
120(1/2W)
D821
1SR154-400
C802 104Z
C801
100/16
D802
1SS352
D801
1SS352
D803
1SS352
C807
330/6.3
C804
100/6.3
C803
10/16
C819 101
P802B
R887
NC
Q821
RN2402
Q822
RN1407
R813
150
R814
150
D814
Q811
RN1402
D813
Q812
RN1402
D815
P212B
C784
223
C782
223
R782
470K
C783
223
C781
223
JL781B
R783
1K
P782B
P782A
D781
P803A
JL901A
P802A
D806 D808 D807 D809 D810 D811
Q809
RN1402
D812
S802 12
11
10 16
15
9
8
7
6
5
14
4
13
3
2
1
JL210A
R840
0
C817
100/6.3
R862 10K R863 10K
R861 220
R860 220
R802
220K
R803
220K
R884
0
R883
10K
S804
L801
NCH-1479
Q802
S-812C56AUA-C3K
2I
1G
3
O
D823
UDZS5.1B
D822
UDZS5.1B
Q801
MPC780023AGC-176-8BC-A
17 P36
18 P20/SI30
19 P21/SO30
20 P21/SCK30
21 P23/RXD0
22 P24/TXD0
23 P25/ASCK0
24 VDD1
25 AVSS
26 P17/ANI7
27 P16/ANI6
28 P15/ANI5
29 P14/ANI4
30 P13/ANI3
31 P12/ANI2
32 P11/ANI1
33 P10/ANI0 34 AVREF 35 AVDD 36 RESET 37 XT2 38 XT1 39 IC 40 X2 41 X1 42 VSS1 43 P00/INTP0 44 P01/INTP1 45 P02/INTP2 46 P03/INTP3/ADTRG 47 P70/TI00/TO0 48 P71/TI01
49
P72/TI50/TO50
50
P73/TI51/TO51
51
P74/PCL
52
P75/BUZ
53
P64/RD
54
P65/WR
55
P66/WAIT
56
P67/ASTB
57
P40/AD0
58
P41/AD1
59
P42/AD2
60
P43/AD3
61
P44/AD4
62
P45/AD5
63
P46/AD6
64
P47/AD7
1
P50/A8
2
P51/A9
3
P52/A10
4
P53/A11
5
P54/A12
6
P55/A13
7
P56/A14
8
P57/A15
9
VSS0
10
VDD0
11
P30
12
P31
13
P32
14
P33
15
P34
16
P35
Q815 TA7291S
1IN2 2VCC 3OUT2 4NC 5GND 6VS 7OUT1 8VREF 9IN1
R872
150
R781
N16RGL20KB25M
9 2
7
38 M
U05
MICROPROCESSOR PC BOARD
VOLUME
U12
SPEAKER SELECTOR
PC BOARD
U07 VOLUME PC BOARD
U08
VOLUME LED PC BOARD
SPEAKERS
A+B B A
U13
STANDBY LED PC BOARD
D806 - 815 : SEL2E10C-F
To NAAF-8708(2/2)
(SD-2 : D4)
To NAAF-8708(2/2)
(SD-2 : E3)
To NAPS-8714
(SD-5 : B3)
MICROPROCESSOR
A
1
2
3
4
BCDE
w w w . x i a o y u 1 6 3 . c o m
Q Q
3
7
6 3
1 5 1 5
0 9 9
2
8 9
4 2
9 8
T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3
Q Q
TEL [phone] QQ 376315150 892498299 TEL [phone] QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com