A-9000R / 9070
Schematic Diagrams - 2
Line IN / OUT, Phono IN, MAIN IN
A
1
2
3
4
5
B
C
D
E
F
G
H
6
7
8
I
J
K
V-Protect
I-Protect
-15V
MUTE_PRE
-15V
1st_SIG_OUT_R
-B1_R
+B_R
+15V
+12V
HPL
HP_DET
MUTE_PRE
HP_RL
-15V
+15V
GND_IN
GND_IN
GND_NF_R
GND_NF_R
GND_IN_R
GND_DG
GND
GND_RL
+B1_R
-B_R
TONE_CLK
SEL_CLK
SEL_DATA
TONE_SDA
PRE_AMUTE
HP_DET
VOL_STB
VOL_SDA
VOL_SCLK
HP_RL
VOLH
LINEOUT_MUTE
SEL_STBL
SEL_STBR
Phono_R_out
PH_IN_L
PH_OUT_L
-15V
VOLH_L
VOLH_R
+15V
TONE_CLK
TONE_SDA
14dB_RIN
GND_14dB
14dB_LOUT
14dB_LIN
14dB_ROUT
+15V
-15V
+15V
-15V
AMP_INL
0dB_PRE2L
14dB_PRE2L
14dB_PRE2R
0dB_PRE2R
AMP_INR
PREOUT_L
GND_DG
GND_DG
VOL_STB
VOL_SDA
VOL_SCLK
HPR
1ST_SIG_IN_R
MAIN_INR
AMP_INR
14dB_PRE2R
0dB_PRE2R
GND_RL
MUTE_PRE
+15V
PRE_AMUTE
MUTE_LINE
-15V
LINEOUT_MUTE
SEL_DATA
GND_DG
SEL_DATA
TONE_LIN
LINE1_R
LINE2_R
LINE3_R
DAC_RIN
TONE_ROUT
Buffer_RIN
TONE_RIN
TONE_RIN
VOLH
-B1_L
+B1_L
1st_SIG_OUT_L
+B_L
GND_NF_L
GND_IN_L
1st_SIG_IN_L
1st_SIG_OUT_R
1st_SIG_OUT_L
-B_L
GND_NF_L
MUTE_LINE
PREOUT_R
PREOUT_R
Lineout_LIN
Buffer_LOUT
Buffer_LIN
Lineout_RIN
Buffer_ROUT
TONE_LIN
+7
-7
TONE_ROUT
TONE_LOUT
MAIN_INL
LINE1_L
DAC_LIN
LINE2_L
LINE3_L
TONE_LOUT
14dB_PRE2L
0dB_PRE2L
AMP_INL
PREOUT_L
Phono_L_out
-15V
R_GND
L_GND
DAC_RIN
DAC_LIN
+15V
GND_DAC
I-Protect
V-Protect
GND_DG
V-Protect
I-Protect
GND_DG
SEL_STBR
SEL_CLK
SEL_STBL
SEL_CLK
PH_OUT_R
PH_IN_R
-15V
+15V
R
Micom Digital section
Head phone Amp Section
BAAR-0574
To Pre1st
To PART-* DAC Board
PH Top
(or 2SD2394-E)
(or 2SB1565-E)
(or D2SBA60A)
To DAC Board
BAAF-0988
Lch_IN
Rch_IN
NC
NC
NC
NC
NC
LINE1
LINE2
LINE3
A
A
LINE OUT
BUS BAR
27142271
MAIN IN
L
Buffer
Discrete
Discrete
Buffer
Discrete
Buffer
14dB AMP
DIDRC
14dB AMP
DIDRC
BAACC-0991
BAACC-0990
NC
NC
NC
NC
NC
Buffer
Discrete
NC
NC
NC
NC
NC
NC
NC
(or D2SBA60A)
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
MM/MC SW
PHONO
PRE OUT
BUS BAR
Lch
Rch
Model No. A-9000R/A-9070 SCHEMATIC DIAGRAM (PART-2) AF SECTION
EH Top
To P TRANS
Phono EQ
BAAF-0989
Phono EQ
BAASP-0987
PH TOP
PH TOP
To PART-4 BAAMP-1011
To PART-4 BAAMP-1012
To PART-4
BAAMP-1011
BAAMP-1012
To PART-4
To PART-8 BADG-0998
To PART-6 BAHP-0992
C943
220/25
C944
10/50
R946
47(1W)
+11.7
R533
1K
R535
1K
C539
101J
C537
104J
R534
1K
C540
101J
R536
1K
R542
150(1/4W)
R544
150(1/4W)
R947
330
P5504B
1
2
3
4
5
R541
150(1/4W)
P5502B
1
2
3
4
5
6
7
R543
150(1/4W)
R904
0.22(1/2W)
R906
330
Q906
2SA1015-GR
R905
330
Q902
2SK365-GR
2
3
1
C903
104J
C904
104J
C902
104J
C906
4700/35
-18.3
+18.3
C907 100/25
C901
104J
R903
0.22(1/2W)
Q901
2SK365-GR
2
3
1
Q943
2SC2235-Y
C912 100/25
C913 100/25
C927
NC
C928
NC
-7V
C925
220/25
C923
47/50
D922
UDZS7.5B
R924
330
Q922
2SA965
Q904
2SC3851-Y
R942
220K
C926
220/25
C922
10/50
C921
10/50
C924
47/50
R537
100K
R538
100K
Q534
RN1441
Q532
RN1441
D450
UDZS3.6
Q903
2SA1488-Y
P1007B
1
2
3
P308
NEJITANSI_ST3
1
4
P601A
NPLG-13P141
13
12
11
10
9
8
7
6
5
4
3
2
1
R311
220K
R309
100
C305
101J
R312
220K
C306
101J
R310
100
R307
220K
R308
220K
R306
100
C303
101J
C304
101J
R305
100
R304
220K
R302
100
C302
101J
R303
220K
R301
100
C301
101J
P301
NPJ-2PDWR706
5
2
1
3
4
P302
NPJ-2PDWR706
5
2
1
3
4
P303
NPJ-2PDWR706
5
2
1
3
4
R190
220K
C186
2.2/50
+
P103A
IMSA-9115B-05
1
2
3
4
5
P1010B
NSAS-30P1968
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
P4902B
1.8S-SGM-51T-4:BLK150
P5505A
1
P5506A
1
P101A IMSA-9115B-07
1
2
3
4
5
6
7
C184
2.2/50
+
Q905
2SC1815-GR
P110
NPJ-1PDR710
2
4
3
1
R185 100
R186 100
C187
101J
+7V
D452
1SS352
-14.4
D903
UDZS15B
D904
UDZS15B
Q904
HEAT_SINK
4
5
Q392
2SC3324-GR
C391
47/25
+
R391
22K
R392
22K
C392
47/25
+
D392
UDZS5.6B
D391
UDZS5.6B
R189
220K
C185
2.2/50
+
C183
2.2/50
+
P304
NPJ-2PDWR706
5
2
1
3
4
R314
100
R313
100
C317
101J
C318
101J
R945
220K
R328
1.5K
Q305B
NE5532
2
3
4
1
R327
1.5K
Q305A
NE5532
7
8
5
6
Q396
2SA949-Y
C450
333J
R450
470
Q395 2SC2229-Y
R492
22K
R491
22K
Q495 2SC2229-Y
Q496 2SA949-Y
C491 47/25
+
D491
UDZS5.6B
C492 47/25
+
D492
UDZS5.6B
P490
TEST_LAND
D511
UDZS5.6B
R511
22K
R512
22K
D512
UDZS5.6B
C512 47/25
+
Q516 2SA949-Y
Q515 2SC2229-Y
C516
47/25(ROB)
+
C515
47/25(ROB)
+
C534
100/25(ROB)
C532
100/25(ROB)
C421 220/25
C422 220/25
R429
NC
R421
NC
R430
220K
R420
220K
C420
4.7/50
+
C424
4.7/50
+
R423
1K
R424
1K
R425
1K
R426
10K
R427
68K
C423
104J
C531
100/25(ROB)
Q531
RN1441
Q533
RN1441
C908 100/25
D372
UDZS5.6B
C372
47/25
+
R372
22K
R371
22K
C371
47/25
+
D371
UDZS5.6B
Q376 2SA949-Y
Q375 2SC2229-Y
+14.4
C350
UTSP
220/25
+
D451 1SS352
P510
TEST_LAND
C533
100/25(ROB)
Q420
TC94A81UG
34
L_MVR_AGND1
35
L_MVR_IN
36
L_ZX_AGND
37
L_ZX_IN
38
L_SW_OUT
39
L_SW_IN4
40
L_SW_IN3
41
L_SW_IN2
42
L_SW_IN1
43
TEST
44
VDD
1 SS1
2 SS2
3 CS1
4 CS2
5 MUTEM
6 GND
7 TC
8 MUTE
9 CK
10 DATA
11 STB
12
VSS
13
NC
14
R_SW_IN1
15
R_SW_IN2
16
R_SW_IN3
17
R_SW_IN4
18
R_SW_OUT
19
R_ZX_IN
20
R_ZX_AGND
21
R_MVR_IN
22
R_MVR_AGND1
23
R_MVR_AGND2
24
R_MVR_OUT
25
R_TVR_OUT
26
R_TVR_IN
27
R_TVR_REF
28
NC
29
L_TVR_REF
30
L_TVR_IN
31
L_TVR_OUT
32
L_MVR_OUT
33
L_MVR_AGND2
R489
220K
R509
220K
R529
100
R530
100
R187 3.3K
R188 3.3K
C451
333J
P320A
NC
P902
NC
R555
100
R553
100
C549
101J
C545
104J
Q535
RN1441
Q537
RN1441
C547
104J
R545
100
R554
100
C550
101J
R548
1K
Q536
RN1441
C546
104J
R550
1K
Q538
RN1441
C548
104J
R546
100
R547
1K
R549
1K
C535
104J
C538
104J
C536
104J
R556
100
R551
220K
R552
220K
D901
D3SBA60
4
3
1
2
D902
D3SBA60
4
3
1
2
R531
0
R532
0
R422 22(1/4W)
R428
22(1/4W)
R351
22(1/4W)
R350
22(1/4W)
R330
6.8(1/4W)
R329
6.8(1/4W)
R401
6.8(1/4W)
R402
6.8(1/4W)
R382
6.8(1/4W)
R381
6.8(1/4W)
R521
6.8(1/4W)
R522
6.8(1/4W)
R501
6.8(1/4W)
R502
6.8(1/4W)
R456 1K
R457 1K
C452
224J
C453
473J
R452 4.7K
R451
470
C462
224J
C463
473J
R462 4.7K
L801
10uH
R803
47K
R804
22K
R805
0
D803
1SS352
D804
1SS352
R806
1K
R807
1K
R808
100K
R809
0
R810
0
R811
1K
R812
1K
R813
100K
Q803
RN2401
Q806
RN2401
Q807
RN1401
Q804
RN1401
C351
UTSP
220/25
+
R902
1(1/2W)
R901
1(1/2W)
R801
470(1W)
Q921
2SC2235
D921
UDZS7.5B
R923
330
C801
47/25
D805 UDZS5.6B
R814 22K
Q801
2SC2235
C353
NC
C352
NC
C354
NC
C357
NC
C356
NC
C355 NC
C376
47/25(ROB)
+
C375
47/25(ROB)
+
C374
47/25(ROB)
+
C394
47/25(ROB)
+
C393
47/25(ROB)
+
R380
100K
R390
0
R370
0
R325
47K
R326
47K
C315
10/50
+
C316
10/50
+
R377
22F
R378
22F
Q372
2SC3324-GR
R374 3.3KF
R394 3.3KF
R398
22F
R397
22F
C395
47/25(ROB)
+
C396
47/25(ROB)
+
R400
100K
C495
47/25(ROB)
+
C496
47/25(ROB)
+
R493
3.3KF
Q491 2SA1312-GR
R504
NC
3
2
1
Q492
2SC3324-GR
R494 3.3KF
R498
22F
R497
22F
R513
3.3KF
Q511 2SA1312-GR
R524
NC
3
2
1
Q512
2SC3324-GR
R514 3.3KF
R517
22F
R518
22F
R490
0
R510
0
R519
100K
R499
100K
C493
47/25(ROB)
+
C494
47/25(ROB)
+
C513
47/25(ROB)
+
C514
47/25(ROB)
+
R455 470
C454 220/10
R463 10K
C457 220/10
D453
UDZS3.3B
C804
104J
C805
104J
Q802
DTA123JKA
Q805
DTA123JKA
D801
1SS352
D802
1SS352
R802
22
S100D 11
10
12
S100B
6
4
5
P702A
HOLE
7
6
5
4
3
2
1
P5503B
5
4
3
2
1
P5501B
7
6
5
4
3
2
1
S100A
2
3
1
R540 100K
R539 100K
C313
47/25
+
R323
100K
R324
100K
C314
47/25
+
R321
1K
C311
104J
C309
104J
Q302
RN1441
R320
1K
Q301
RN1441
C307
101J
C308
101J
C310
104J
C312
104J
R315
100K
R316
100K
Q304
RN1441
Q303
RN1441
R319
1K
R322
1K
R335
330
R336
330
R318
330
R317
330
Q351
TC9163CFG
1 VSS
2 L1
3 L2
4 L3
5 L-COM1
6 L4
7 L5
8 L6
9 L-COM2
10 L7
11 L8
12 L-COM3
13 ST
14 GND
15
CK
16
DATA
17
R-COM3
18
R8
19
R7
20
R-COM2
21
R6
22
R5
23
R4
24
R-COM1
25
R3
26
R2
27
R1
28
VDD
C802
470/6.3
C803
470/6.3
C373
47/25(ROB)
+
R399
100K
R379
100K
R383
100K
R384
100K
Q450
M61540
31 inL3
32 AGND
33 inL4
34 inR4
35 inL5
36 inR5
37 AVCC
38 AVEE
39 ADCR
40 ADCL
1
AGND
2
Lin
3
Rin
4
Cin
5
SWin
6
SLin
7
SRin
8
AGND
9
SRout
10
SLout
11
SWout
12
Cout
13
DVDD
14
DATA
15
Clock
16
DGND
17
Rout
18
Lout
19
BASR2
20
BASR1
21
BASL2
22
BASL1
23
TRER
24
TREL
25
AGND
26
inR1
27
inL1
28
inR2
29
inL2
30
inR3
C188
101J
C190
NC
P109
NPJ-1PDW709
1
3
4
2
R183
47K
R184
47K
C182 NC
C189
NC
C181 NC
R181
10F
S100C
8
7
9
R182
10F
P310
2
C542
100/63
C541
100/63
C543
100/63
C544 100/63
R332
100
R333
220K
R334
220K
P310
1
P305
NPJ-2PDWR706
5
2
1
3
4
Q350
TC9163CFG
1 VSS
2 L1
3 L2
4 L3
5 L-COM1
6 L4
7 L5
8 L6
9 L-COM2
10 L7
11 L8
12 L-COM3
13 ST
14 GND
15
CK
16
DATA
17
R-COM3
18
R8
19
R7
20
R-COM2
21
R6
22
R5
23
R4
24
R-COM1
25
R3
26
R2
27
R1
28
VDD
R331
100
C319
220/35
+
C511 47/25
+
C905
4700/35
C377
VR
330/35
+
C397
VR
330/35
+
C497 330/35
+
C517 330/35
+
P4901B
NSAS-14P2018
1
2
3
4
5
6
7
Q903
HEAT_SINK
4
5
R921
22(1/4W)
R922
22(1/4W)
P306
NPJ-2PDWR706
4
3
1
2
5
C455 22/50
C456 22/50
Q373
2SA1312-GR
R375 220F
R376 220F
Q374
2SC3324-GR
Q371 2SA1312-GR
R373 3.3KF
Q393 2SA1312-GR
R395 220F
Q391 2SA1312-GR
R393 3.3KF
Q394
2SC3324-GR
R396 220F
Q513 2SA1312-GR
R515 220F
R516 220F
Q514
2SC3324-GR
R523
0
R503
0
R495 220F
Q493
2SA1312-GR
Q494
2SC3324-GR
R496 220F
R357
1K
R356 1K
R355 1K
R354
1K
R353
1K
R352 1K
R453 1K
R454 1K
P901
NPLG-5P119
5
4
3
2
1
P102A IMSA-9115B-07
7
6
5
4
3
2
1
P104A
IMSA-9115B-05
5
4
3
2
1
E5505A
2 3 4
1
E5506A
2 3 4
1
E5507A
2 3 4
1
E5508A
2 3 4
1
E5504A
2 3 4
1
E5503A
2 3 4
1
E5502A
2 3 4
1
E5501A
2 3 4
1
P701A
HOLE
1
2
3
4
5
6
7
P6501A
NSAS-6P2016
1
2
3
P6502A
NSAS-6P2016
1
2
3
