Onkyo A-5-VL Service manual
SERVICE MANUAL
SERVICE MANUAL
INTEGRATED AMPLIFIER
A-5VL
Ref. No. 4148
062009
MODEL A-5VL (B)/(S)
Black and Silver models
BMDC
BMMB, SMMB
SMDF
SMMR
120V AC, 60Hz
220-240V AC, 50/60Hz
MODE DISPLAY
MENU
SELECT
SHUFFLE REPEAT
BAND MODE PRESET
RC-751S
PLAYLIST
ALBUM
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
PAR TS WHOSE PAR T 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.
SERVICE PROCEDURE
1. Replacing the fuses
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 adjust 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.
A-5VL
REF.NO.
F901
F901
PART NAME
FUSE
FUSE
DESCRIPTION
3.15A-UL/T-233
2. Setting position before shipment.
(1) Power SW OFF
(2) Selector CD
(3) Speaker A
(4) Bass Center
(5) Treble Center
(6) Balance Center
(7) Volume Min.
(8) MM/MC MM position
(9) Tone/Direct Direct
3. Initialize setting
Turn on the unit.
Press “DIRECT” mode button.
Q'TY
1
1
PART NO.
252323GR
252073GR1.6A-SE-EAK
REMARKS
<DC>
<PA>
<Notes>
<DC> : Canadian model
<MB> : Britain model
<MR> : China model
ADJUSTMENT PROCESURE
R5
R58
R63
R5
OUTPUT OFFSET VOLTAGE
Conditions: Non load, no signal.
1. Set the voltage at L-ch speaker terminal to
0mV +/- 10mVDC by adjusting R513 of
BAAF-0249.
Same as R514 (R-ch).
2. After 2 minutes, set the voltage at speaker
terminal to 0mV +/- 10mV again.
A-5VL
Q621
C537
D607
C621
R675
R663
Q511
R521
Q627
R559 R561
R575 R577
R531
R583
R581
C531
C519
C647
Q513
R529
R697
R699
R513
R523
C505
R507 R508
R505
C503 C504
R503
R501 R502
C501
C506
R524
R506
R504
C502
R691
D501
C507
R537
R535
C535
Q613 Q614
R519
R514
D502
R532
C508
R530
P605A
BAAF-0249
R520
R584
R582
P603A
C532
C510
R700
R698
Q628
R588
R522
C648
Q514
R664
R676
D506
D504
Q622
C514
Q512
1
R556
R692
1
Q506
R634
A-5VL
EXPLODED VIEW
A115
A021
A015
A104
x 2 pcs.
U008
A310
<MMR> only
A113
x 25 pcs.
F901
U010
T901
A301A
x 2 pcs.
A014
x 2 pcs.
T902
A011
x 6 pcs.
A112
A018
x 4 pcs.
A304
x 8 pcs.
A110
x 2 pcs.
A140
A017
x 4 pcs.
U011
A012
x 3 pcs.
A002
A019
x 2 pcs.
A022
U003
A034
A003
A110
U009
U001
A006
x 4 pcs.
A020
A143
A002
U004
A024
x 2 pcs.
A141
x 5 pcs.
P701
A106
x 7 pcs.
A036
x 9 pcs.
U006
A107
A111
U002
U005
A035
x 3 pcs.
A031
A033
305
<MDF> only
A205
A101
A153
A151
A007
x 14 pcs.
A008
x 3 pcs.
A102
x 4 pcs.
A105
x 4 pcs.
A114
x 4 pcs.
A005
x 4 pcs.
A009
x 4 pcs.
A013
x 8 pcs.
A023
x 2 pcs.
A110
x 2 pcs.
A032
A034
x 7 pcs.
A138
A155
x 3 pcs.
U007
A039
x 2 pcs.
A035
x 5 pcs.
A152
A154
x 4 pcs.
A113
x 3 pcs.
A137
x 4 pcs.
A136
x 2 pcs.
A-5VL
A-5VL
BLOCK DIAGRAM
DATA
AMute
Vol_UP
Vol_Down
Vol_A/D
SPB_RL
SPA_RL
CSD_Control
Protect
HP_DET
APOWER_RL
+B_Rch
-B_Rch
+B_Lch
-B_Lch
MCLK
BCLK
LRCLK
DATA
DAC_L
DAC_R
MS_R
MS_L
DAC_RESET
DIR_TO
DIR_TI
DIR_CLK
DIR_CSN
DIR_RESET
SPEAKER SW
REM IN
SELECTOR SW
CLK
HP_Mute
TONE
TONE
Motor Vol
INTERFACE
Phono
SP-A
VL Digital
NJM4556
SP-B
Head Phone
PHONOTUNERTAPE IN
R2S15215FP
CDDOCK IN
Power SWMPU
+5V
DAC/DIR
15V
Driver
Analog
+18V
Analog
-18V
5V
DAC
Slicer
+22V
Slicer
-22V
Volume
+7V
Volume
-7V
Modulator
+5V
AMP
+18V
AMP
-18V
15V
Driver
Modulator
+5V
AMP
+18V
AMP
-18V
FUSE
Main AMP
Main AMP
Main AMP
Main AMP
DAC
WM8718
DAC
WM8718
DIR
AK4112
VLSC
VLSC
TAPE OUT
COAX IN
OPT IN
SPEAKER SW
Remote Sensor
INPUT SELECTORBALANCE
TREBLE
BASS
MAIN MPU
R5F212A7SNFA
5V/3.3V
RI
RI
Relay
MPU
DAC/DIR
DAC Analog +5V
OPAMP
OPAMP
Volume
Volume
V/L Modulator
AMP
V/L Modulator
AMP
AMP
AMP
FET Driver IC
AC IN
F901 3.15A125V3.15A125VT1.25A/250V
A-5VL(*)MJ*A-5VL(*)MD*A-5VL(*)MM* A-5VL(*)MJ*A-5VL(*)MD*A-5VL(*)MM*
T951 NPT-1487P NPT-1487D NPT-1487J
T901
T902 NPT-1586M NPT-1586D NPT-1586J
NPT-1586M NPT-1586D NPT-1586J
FET Driver IC
A/D Voltage / Motor Volume
6MHz
3
2
1
POWER ON
DIRECT
MITING
Direct
T951
NPT-1487
T901
NPT-1586
T902
NPT-1586
A-5VL
SCHEMATIC
DIAGRAM-1
DIGITAL AMP.
SECTION
A
1
2
3
4
5
BCDEFGH
SPB_RL
SPA_RL
PROTECT
CSD
PROTECT
GND_DG
-B_LCH
PROTECT
CSD
CSD
-B_RCH
CSD_LCH
PROTECT_LCH
CSD_RCH
PROTECT_RCH
+10VDG_LCH
+10VDG_RCH
-B_PRE_RCH
+B_PRE_RCH
+B_LCH
+B_RCH
+B_DG
OUT_LCH
GND_LCH
GNDDG_LCH
GNDNF_LCH
-B_LCH
+B_LCH
VB_LCH
OUT_RCH
+B_RCH
GNDDG_RCH
GNDNF_RCH
GND_RCH
-B_RCH
+10VDG_RCH
+10VDG_LCH
+B_PRE_RCH
-B_PRE_RCH
-B_PRE_RCH
+B_PRE_RCH
PROTECT_RCH
CSD_RCH
CSD_LCH
PROTECT_LCH
GND_LCH
LCH
RCH
GND_RCH
GND_POWER_RCH
OUT_RCH
VB_RCH
GNDDG_RCH
GNDNF_RCH
+B_RCH
-B_RCH
GND_POWER_LCH
VB_LCH
+B_LCH
GNDDG_LCH
GNDNF_LCH
OUT_LCH
-B_LCH
Heat Sink
HeatSink
BAASP-0269
BAAF-0249
-21V
-33V
D903
S1NB60
134
2
C901
104
C903
104
C907
104
C917
1000/35
C919
47/25
L903
59u
2
1 3
4
Q905B
TLP283-4
3
14 13
4
Q905A
TLP283-4
16
1 2
15
C911
CE
10000/50
D905
1SS352
Q903
DTC123JKA
Q904
DTC123JKA
R904
10K
+33V
C909
CE
10000/50
C905
104
D901
LN25XB60
134
2
R641
27K
R647
3.3K
R643
22K
Q625A
HN1C01F-GR
2
1 6
Q625B
4
5
3
Q619A
HN1C01F-GR
1
2
6
R649
10K
Q905D
TLP283-4
9
8
7
10
R903
10K
Q905C
TLP283-4
6
11
12
5
Q620A
HN1C01F-GR
6
2
1
Q626B
3
5
4
Q626A
HN1C01F-GR
2
6 1
R669
5.6K
R667
6.8K
R651
10K
R653
5.6K
D610
UDZS5.6B
Q620B
3
5
4
D612
UDZS5.6B
R650
10K
R654
5.6K
R652
10K
R670
5.6K
C636
47/50
C635
47/50
R907
22
C923
ECQE250V-153J
D906
1SS352
C933
ECQE250V-104K
L905
6.8u
R666
82K
R665
82K
R905
2.2K
R906
2.2K
Q619B
4
5
3
D611
UDZS5.6B
D609
UDZS5.6B
Q901
78M12
3
O
2
G
1
I
P960
TRM-423
2341
RL901
NRL-2P5A-DC12-192
3
2
1 6
5
4
RL902
NRL-2P5A-DC12-192
3
2
1 6
5
4
L904
59u
2
1 3
4
R908
22
C924
ECQE250V-153J
C934
ECQE250V-104K
L906
6.8u
L902
22u
R642
27K
R646
3.9K
R648
3.3K
R644
22K
C904
104
C906
104
C910
CE
10000/50
C902
104
-33V
C912
CE
10000/50
R902
2.2(1/2W)
C920
47/25
C918
1000/35
C908
104
Q902
78M12
3
O
1
I
2
G
J901
J902
J904
J903
D904
S1NB60
124
3
R645
3.9K
C637
104Z
C638
104Z
C639
104Z
C641
104Z
C640
104Z
C913
104Z
C915
104Z
C928
102J
C927
102J
C931
104J
C932
104J
L901
22u
P903
NPLG-4P151
1
2
3
4
P905
NPLG-2P149
2
1
P906
NPLG-2P149
1
2
P904
NPLG-4P151
4
3
2
1
P912
NPLG-2P29
1
2
P913
NPLG-2P29
1
2
P911
NPLG-2P29
1
2
P907
1
P908
1
D909
S1NB60
124
3
+33V
C925
104J/100V
C926
104J/100V
C914
104Z
P603B NPLG-9P0964
1
2
3
4
5
6
7
8
9
C921
ECWF(S)250V-334
C922
ECWF(S)250V-334
-21V
+21V
R909
22K
C937
2200/35
R921
1K
R923
10K
C941
10/50
C943
10/50
R910
22K
R924
10K
R920
10K
R668
6.8K
R914
NC
R913
NC
R918
100K
D907
UDZS24B
R911
100
C944
10/50
D913
1SS352
R912
100
D916
1SS352
-21V
R917
100K
R919
10K
Q911
2SC2712-GR
Q915
2SA1162-GR
R927
220K
R925
560
D915
1SS352
Q907
2SA1162-GR
R928
220K
Q908
2SC2712-GR
R926
560
C942
10/50
D914
1SS352
D908
UDZS24B
C938
2200/35
Q912
2SA1162-GR
R922
1K
R930
470K
R931
33(1W)
R901
2.2(1/2W)
C916
104Z
R932
2.2(1/2W)
R933
2.2(1/2W)
Q916
2SC2712-GR
R916
390K
Q909
2SA1488-Y
R915
390K
R929
470K
P601B
7
6
5
4
3
2
1
P602B
7
6
5
4
3
2
1
P914
NPLG-2P29
1
2
C642
104Z
C936
101
C935
101
R658
NC
R660
0
R657
NC
R659
0
C614
334
R626
100K(F)
R624
100K(F)
R623
100K(F)
R512
390
R510
390
R516
47
R518
47
R51747R515
47
R509
390
R511
390
R513
100
1
2
3
R514
100
3
1
2
R530
3.3K
Q514
2SC2712
R642
12K
R644
12K
R643
12K
R641
12K
R607
3.3K
Q513
2SC2712
Q509
2SC2712
R692
4.7K
R691
4.7K
R695
6.8K
R696
6.8K
R674
12K
R673
12K
R697
NC
R698
NC
C524
22/50
R634
56(1/4W)
R633
56(1/4W)
R632
56(1/4W)
R631
56(1/4W)
R529
3.3K
R687
0
Q519
78L05
1
O
2
G
3
I
Q630
HN1A01F-GR
5
4
1
2
6
3
R680
6.8K
R679
6.8K
Q629
HN1A01F-GR
5
3
6
2
1
4
D609
M1FL20U
R619
6.8(1/4W)
C603
471
Q611
2SA965
Q613
2SC2235
Q614
2SC2235
Q612
2SA965
+17V
+17V
D612
M1FL20U
D610
M1FL20U
D611
M1FL20U
C525
220/25
Q621
2SA1162-GR
C526
220/25
C523
22/50
C606471
R621
6.8(1/4W)
C605
471
R560
3.3K
R562
8.2K
R561
8.2K
R559
3.3K
R588
120K
R587
120K
Q617
2SA1162-GR
Q615
2SC2712-GR
R683
22K(1/4W)
R681
22K(1/4W)
C619
47/50
C621
47/50
D607
UDZS18B
D605
UDZS18B
R586
470K
R585
470K
R584
39K
R583
39K
C648
102J
C647
102J
R688
0
R590
33(1/4W)
Q520
78L05
1
O
3
I
2
G
R592
2.2K(1/4W)
R686
0
Q608
2SK208-GR
31
2
R600
2.2K(1/4W)
R591
2.2K(1/4W)
R589
33(1/4W)
R599
2.2K(1/4W)
Q607
2SK208-GR
123
R685
0
R699
8.2K
R630
47K
R604
10K
R596
3.9K
R595
3.9K
Q627
2SA1162-GR
Q628
2SA1162-GR
Q622
2SA1162-GR
Q616
2SC2712-GR
Q618
2SA1162-GR
Q516
2SA1162-GR
Q515
2SA1162-GR
Q512C
TC7W14FU
3
8
5
4
Q512B
6
2
Q512A
7
1
Q511B
6
2
Q511C
TC7W14FU
3
4
5
8
Q511A
7
1
C501
221
R689
330K
R690
330K
R639
47K
R675
220K
R700
8.2K
C509
22/50(UTSJ)
C503
22/50(UTSJ)
C510
22/50(UTSJ)
C504
22/50(UTSJ)
R682
22K(1/4W)
R684
22K(1/4W)
R637
560
R635
560
R636
560
R638
560
R606
6.8K
R608
3.3K
R578
5.6K
R576
4.7K
R605
6.8K
R577
5.6K
R575
4.7K
R580
10K(1/4W)
C531
471
R579
10K(1/4W)
D602
M1FL20U
D606
UDZS18B
D608
UDZS18B
R537
180F
P603A
9
8
7
6
5
4
3
2
1
R656
470
R655
470
P605A
1
2
3
4
5
6
7
R603
10K
R629
47K
C613
334
C536
220/25
R609
33
R625
100K(F)
C601
220/25
C609
334
C607
334
Q601
IRS20954S
1
VDD
2
CSD
3
IN
4
VSS
5
NC
6
VREF
7
OCSET
8
DT9COM
10
LO
11
VCC
12
NC
13
VS
14
HO
15
VB
16
CSH
Q602
IRS20954S
8
DT
7
OCSET
6
VREF
5
NC
4
VSS
3
IN
2
CSD
1
VDD16CSH
15
VB
14
HO
13
VS
12
NC
11
VCC
10
LO
9
COM
D601
M1FL20U
R617
6.8(1/4W)
R615
6.8(1/4W)
R581
6.8K
R507
3.3K
D603
1SS352
R601
4.7(1/4W)
R611
390K
-33V
+33V
Q507B
3
5
4
Q507A
HN3A51F
6
1
2
Q505B
HN3A51F
5
3
4
Q505A
1
6
2
C505
821
C511
102F
D505
1SS352
D503
1SS352
D501
UDZS5.6B
Q503
2SC2712-GR
Q501B
4
5
3
Q501A
HN3C51F-BL
6
2
1
C535
220/25
C533
220/25
C513
102F
C507
47/50
R557
100K
R555
15K
R553
2.2K
R551
12K
R535
560
R533
2.2K
R531
100K
R523
1.2K
R521
3.3K
R519
47K
R505
47K
R503
220K
R501
2.7K
-17V
+17V
R602
4.7(1/4W)
R616
6.8(1/4W)
R618
6.8(1/4W)
C608
334
C610
334
R622
6.8(1/4W)
C604
471
R620
6.8(1/4W)
R612
390K
R614
68K
C602
220/25
R610
33
D604
1SS352
-33V
+33V
R536
820
Q508B
4
5
3
Q508A
HN3A51F
6
2
1
Q506B
HN3A51F
5
4
3
Q506A
2
6
1
R582
6.8K
C514
102F
C512
102F
D506
1SS352
D504
1SS352
R554
2.2K
Q510
2SC2712
R552
12K
R538
180F
R556
15K
R558
100K
C534
220/25
R522
3.3K
R520
47K
R524
1.2K
C506
821
Q502B
3
5
4
Q502A
HN3C51F-BL
6
1
2
Q504
2SC2712-GR
R534
2.2K
R532
100K
C508
47/50
D502
UDZS5.6B
R508
3.3K
R506
47K
R504
220K
R502
2.7K
-17V
+17V
-17V
C622
47/50
C620
47/50
-17V
R613
68K
C502
221
C532
471
C539 220/25
C537 104
+5V
R663
10K
C519
1/50
R661
22K
R571
220K
C529
104
Q631
LM61CIZ
1
G
2
O
3
Vs
C540220/25
C538104
+5V
C520
1/50
R664
10K
R662
22K
R676
220K
R572
220K
R640
47K
C530
104
Q632
LM61CIZ
3
Vs
2
O
1
G
R693
4.7K
R694
4.7K
C521
104Z
C527
104Z
C522
104Z
C528
104Z
C627
104Z
C628
104Z
C631
104Z
C632
104Z
C643
104Z
C645
104Z
C644
104Z
C646
104Z
Q910
2SC3851-Y
Q603
IRFB4020
1
3 2
Q605
IRFB4020
1
3 2
Q606
IRFB4020
1
2 3
Q604
IRFB4020
1
2 3
P602A
7
6
5
4
3
2
1
P601A
7
6
5
4
3
2
1
R525
3.9K
R527
3.9K
R526
3.9K
R528
3.9K
R540
330
R542
330
R539
330
R541
330
R678
10K
R677
10K
P901
NTM-4PDMRR427
2
1
4
3
5
C929
102J
P902
NTM-4PDMRR426
1
2
3
4
5
C930
102J
C945
104J
D902
LN25XB60
1
2
4
3
U003
U001
Only A-5VL
From Transformer From Transformer
From Transformer
From Transformer
66
33
44
22
OUT_RCHOUT_RCH
__
66
OUT_RCHOUT_RCH
__
66
33
22
33
DIGITAL INPUT
CIRCUIT PC BOARD
SPEAKER TERMINAL PC BOARD
A-5VL
SCHEMATIC DIAGRAM-2
A-5VL
A
1
2
3
4
5
BCDEF G
H
6
7
8
IJK
HP_DET
GND_DG
GND_A
HP_L
HP_R
+B_DG
+B_DG
+B_DG
+12VS
+12VS
+12VS
+12VS
GND_RL
RI
HP_MUTE
GND_DG
PROTECT
DIR_LOCK
DAC_MS_L
APOWER
DAC_MS_R
GND_DG
GND_DG
GND_DG
SPA_RL
SPB_RL
CSD
POFF
SEL_DATA
SEL_CLK
HP_DET
AMUTE
DIR_RST
DIR_CS
DIR_SDO
DIR_SDI
DIR_CLK
DAC_RST
-B_PRE_RCH
+B_PRE_RCH
GND_RCH1
LCH
RCH
GND_LCH1
HP_L
HP_R
HP_DET
GND_DG
GND_DG
PROTECT
SPA_RL
SPB_RL
CSD
Phono_L
Phono_R
DAC_RST
DIR_RST
DIR_CS
DIR_CLK
DIR_SDO
DIR_SDI
DIR_LOCK
DAC_MS_R
DAC_MS_L
GND_RL
GND_DG
GND_A
+B_PRE_RCH
-B_PRE_RCH
-B_PRE_RCH
+B_PRE_RCH
GND_A
GND_A
GND_I
DAC_L
DAC_R
GND_DG
DAC_MS_R
DAC_MS_L
APOWER
POFF
SEL_DATA
SEL_CLK
DAC_RST
BALANCE_IN
TREBLE_IN
SELECTOR_SW
RESET
MODE
SPA_RL
SPB_RL
VOL_POS
HP_MUTE
RI
+5V_VDD
HP_DET
BASS_IN
PROTECT
MODE
CSD
AMUTE
RESET
SPEAKER_SW
SPEAKER_SW
MUTING_
LED
LOCKED_
LED
MUTING_LED
DIRECT_LED
POWER_LED
LOCKED_LED
DIRECT_
LED
GND_DG
DIR_RST
DIR_CS
DIR_CLK
STBY_LED
POWER_LED
BALANCE_IN
OUT2
OUT1
TREBLE_IN
BASS_IN
GND_DG
+5V_VDD
+5V_VDD
GND_DG
OUT2
OUT1
VOL_POS
GND_DG
GND_DG
GND_DG
DAC_MS_L
DIR_LOCK
POFF
CSD
DIR_SDI
DIR_SDO
DIR_CLK
DIR_CS
DIR_RST
SPA_RL
SPB_RL
DAC_RST
PROTECT
APOWER
AMUTE
HP_MUTE
HP_DET
SEL_DATA
SEL_CLK
RI
DAC_MS_R
GND_DG
+12VS
+12VS
+12VS
+12VS
+5V_VDD
MODE_D
RESET_D
GND_DG
DIR_SDI
DIR_SDO
GND_DG
REMIN
GND_DG
GND_RL
POFF
APOWER
+B_DG
REMIN
POWER_KEY
GND_DG
GND_DG
+5V_VDD
VOL_POS
OUT1
OUT2
+5V_VDD
DIR_LOCK
STBY_LED
BAETC-0273
CD
DOCK
RI
TAPE IN TAPE OUT TUNER
BAASP-0269
PHONO
BALANCE TREBLE BASS
Flash Writer
SPEAKER SW
+-
BAETC-0274
VOLUME
BAETC-0275
BADIS-0268
INPUT SELECTOR
PC BOARD
BASW-0276
6.0MHz
BAPS-0270
F901
AC INLET TERMINAL
PC BOARD
W
BAPS-0272
POWER SWICH
PC BOARD
BASW-0271
F901 3.15A125V3.15A125VT1.25A/250V
A-5VL(*)MJ*A-5VL(*)MD*A-5VL(*)MM*
P958A P957A
P905A
P903AP904AP906A
TO PART-3 (BAAF-0249)
TO PART-3 (BAAF-0249)
JL302
NO USE
P401B
NPLG-5P133
1
2
3
4
5
C386
104J
C385
104J
C384
102J
C383
102J
P882
L303
LBC2518T220M
L302
LBC2518T220M
L304
LBC2518T220M
R934
68(1/2W)
R458
22(1W)
R403
560
R404
560
Q346
79M18
3
O2I
1
G
C353 104J
R437
220K
R438
100K
Q348
79M18
3
O2I
1
G
Q347
78M18
3
O
2
G
1
I
Q345
78M18
3
O
2
G
1
I
C400
220/25
C402
220/25
R342
47
R344
47
R341
47
R343
47
Q320
2SA965-Y
Q318
2SC2235-Y
R356
10K
R358
10K
R354
470K
C312
10/50(UTSJ)
C404
100/25
C311
10/50(UTSJ)
C403
100/25
R353
470K
R355
10K
R357
10K
C399
220/25
C401
220/25
Q317
2SC2235-Y
R339
22
D321
1SS352
D317
1SS352
Q311
2SC2240-BL
Q315
2SC2235-Y
R463
330K
D305
1SS352
D303
1SS352
C407102J
R331
47K
D301
1SS352
C307
22/50
R333
33K
R335
33K
D315
1SS352
Q313
2SA965-Y
D313
1SS352
R337
22
D311
1SS352
Q309
2SA970-BL
Q305
2SC2240-BL
Q307
2SA970-BL
R319
470
S301B
5
6
4
R323
750
R325
33
R315
10
R317
10
R313
470
R305
4.7K
R409
4.7K
R307
18
Q301
2SA970-BL
Q303
2SC2240-BL
R309
18
R417
4.7K
R311
4.7K
C393
100/25
C392
100/25
R410
4.7K
Q306
2SC2240-BL
R306
4.7K
R308
18
Q302
2SA970-BL
R303
47K
R447
100
R448
100
R321
10K
R416
10
R415
10
R414
100
R413
100
R400
100(1W)
R399
100(1W)
R420
10K
R411
120
R412
120
C360
1000/25
C410
220/25
C409
220/25
-18V
-21V
C362
10/50
C361
10/50
+18V
R402
2.7K
R401
2.7K
C365
1000/16(UTSK)
C366
1000/16(UTSK)
C364
47/50
C363
47/50
R457
22(1W)
S301D
10
12
11
S301C
7
9
8
S301A
2
3
1
R372
2.2K
R371
2.2K
Q327
R2S15211FP
41
DGND
42
DATA
43
CLOCK
44
AVEE
45
INR1
46
INL1
47
INR2
48
INL2
49
INR3
50
INL3
51
INR4
52
INL4
53
INR5
54
INL5
55
INR6
56
INL6
57
INR7
58
INL7
59
INR8
60
INL8
61
INRA/RECR1
62
INLA/RECL1
63
INR9
64
INL9
65
INRB/RECR2
66
INLB/RECL2
67
INR10/RECR4
68
INL10/RECL4
69
INR11/RECR5
70
INL11/RECL5
71
RECR3
72
RECL3
73
FLIN174FRIN1
75
CIN1
76
SWIN177SLIN1
78
SRIN1
79
SBLIN1
80
SBRIN1
1
1-C
2
1-OUT
3
AGND
4
2-OUT
5
2-C
6
3-C
7
3-OUT
8
AGND
9
4-OUT
10
4-C
11
5-C
12
5-OUT
13
AGND
14
6-OUT
15
6-C
16
FLC
17
FLOUT
18
AGND
19
FROUT
20
FRC
21
BASS_L1
22
BASS_L2
23
TRE_L
24
AVCC
25
BASS_R1
26
BASS_R2
27
TRE_R
28
SBLIN2
29
SBRIN2
30
CIN2
31
SWIN2
32
SLIN2
33
SRIN2
34
FLIN2
35
FRIN2
36
ADCL
37
ADCR
38
SUBR
39
SUBL
40
MONO
(Top view)
P701A NSCT-29P2122
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P605B NPLG-7P121
7654321
P401A
NSAS-10P1720
12345
P202B NPLG-9P0964
9
876
543
2
1
C310
222J
C309
222J
C306
102J
C305102J
C304
332J
C303
332J
C390
222J
C389
222J
C408102J
C377
101J
C378
101J
C342
221J
C341
221J
C332
221J
C331
221J
C326
221J
C325
221J
C324
221J
C323
221J
C320
221J
C319
221J
R322
10K
R327
1K
R460
220K
R330
330K
R329
330K
R459
220K
R464
330K
C308
22/50
D302
1SS352
D304
1SS352
D306
1SS352
R328
1K
R334
33K
R336
33K
R332
47K
D318
1SS352
D320
1SS352
D322
1SS352
R340
22
Q312
2SC2240-BL
Q314
2SA965-Y
C318
10/50
C317
10/50
C394
100/25
R338
22
R462
0
R461
NC
D316
1SS352
D314
1SS352
Q319
2SA965-Y
D312
1SS352
Q310
2SA970-BL
R418
4.7K
C391 100/25
R346
1K
R345
1K
Q316
2SC2235-Y
R314
470
R310
18
Q304
2SC2240-BL
R312
4.7K
R320
470
R326
33
R324
750
Q308
2SA970-BL
R316
10
R318
10
R304
47K
Q322B
NE5532
7
6
5
R352
22K
R364
330
P302
NPJ-2PDWR705
5
2
1
4
3
R363
330
R366
220K
R365
220K
R433
68(1W)
R434
68(1W)
Q343
RN1441
Q344
RN1441
R435
0
R436
0
R440
NC
R431
220K
R432
220K
R427
1.5K
R428
1.5K
R423
1.8K
R424
1.8K
C240
102
C349 223J
C350 223J
C352
104J
C354
104J
L301
LBC2518T220M
P310
TRM-423(SCREW)
3
4 1
2
R421
10K
R419
10K
R396
4.7K
R395
4.7K
C372
104J
C367
47/50(UTSJ)
C368
47/50(UTSJ)
C358 NC
C371
104J
P301
NPJ-2PDWR705
5
2
1
4
3
P304
NPJ-2PDWR705
5
2
1
4
3
Q321B
NE5532
7
5
6
C357 NC
R429
10K
R430
10K
-6.9V
Q339
2SD655
Q340
2SD655
Q342
2SD655
P309
MSJ-035-22
3
2
1
Q341
2SD655
R391
330
R392
330
R422
10K
P305
NPJ-2PDWR705
5
2
1
4
3
R377
330
R378
330
R373
47K
P303
NPJ-2PDWR705
5
2
1
4
3
R367
330
R368
330
R407
220K
R405
2.2K
R408
220K
R406
2.2K
Q338B
NJM4556A
7
8
5
6
R425
47K
R426
47K
R398
10K
R442
220
R441
0
P308
NPJ-2PDWR705
5
2
1
4
3
Q333
2SC2712
Q334
2SA1162
D308
UDZS7.5B
D307
UDZS7.5B
+6.9V
R394
220K
R393
220K
R380
220K
R379
220K
R374
47K
R370
220K
R369
220K
R397
10K
Q335
RN2402
Q338A
NJM4556A
4
1
2
3
R439
220K
Q336
RN2402
C382
104J
C381
104J
C373
104J
C374
104J
P959A NSAS-10P1063
5
4
3
2
1
R349
10K
R350
10K
-18V
P201BNoParts
1
23456
7
8
9
C727
223
C724
223
C721
223
R748
220
R747
220
R805
100K
R721
220
R722
220
R763
NC
R749
1K
R732
NC
R764
220
TP701
TP756
TP755
TP702
TP754
TP753
TP752
TP751
TP750
TP749
TP748
TP747
TP746
TP745
TP744
TP743
TP742
TP741
TP740
TP739
TP738
TP737
TP736
TP735
TP734
TP733
TP732
TP731
TP730
TP729
TP728
TP727
TP726
TP725
TP724
TP723
TP722
TP721
TP720
TP719
TP718
TP717
TP716
TP715
TP714
TP713
TP712
TP711
TP710
TP709
TP708
TP707
TP706
TP705
TP704
TP703
R711
2.2K
R713
2.2K
C717
22/50
D710
1SS352
D702
UDZS5.6B
Q705
RN1402
Q704
RN2402
Q703
S-24CS16A0I
5
SDA
6
SCL
7
WP
8
VCC1A0
2
A1
3
A2
4
GND
C716104Z
C715104Z
C714102J
C713104Z
C712102J
C711102J
C710 102J
C709
104Z
C708
101J
C707101J
C706 102J
C705 102J
C704 104Z
C703
104Z
C702
470/16
C701
104Z
R786
47
R785
47
R767
47K
R766
47
R765
47
R762
220
R761
1K
R760
220K
R757
0
R758
0
R756
1K
R751
1K
R750
1K
R746
47
R745
47
R744
220
R743
220
R741
220
R742 220K
R738
47
R737
47
R735
470
R734
47K
R731
2.2K
R730
2.2K
R72947R728
47
R714
47K
R712
47K
R710
0
R707
47K
R704
47K
R706
47K
R705
47K
R703
47
R702
NC
R804
100K
C718
100/10
R701
47
R787
390
R753
2.7K
R752
220
R754
220
R768
2.7K
R769
0
R720
470
R716
470
R715
470
R719
470
R755
2.7K
S702
2
3
4
5
12
11
9
8
7
6
10
1
D701
1SS352
R759
0
D703
1SS352
R723
2.2K
R724
2.2K
R725
2.2K
R797
1K
C725
223
C726
223
C723
223
C722
223
C720
223
C719
223
R798
470K
R795
470K
R794
1K
R792
470K
R791
1K
C735
47/16
R789
470
R790
820
D704
C736
47/16
D705
D706
C738
47/16
R806
3.3K
R807
3.3K
R808
3.3K
R739
NC
R740
NC
R801
1K
R802
470K
C728
223
C729
223
C731
223
C730
223
R718
NC
C733
100/16
D708
C732
102J
C734
104Z
R800
1K
C740
47/16
R777
820
R778
1K
R779
1.8K
R780
3.9K
R770
390
R771
470
R772
0
R773
0
R774
0
R7750R776
0
JL702A
NSCT-5P876
5
4
3
2
1
JL703A
NSCT-3P874
123
JL703B
NSCT-3P874
3
2
1
P701BNSCT-29P2159
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
P702NPLG-8P660
1
2
3
4
5
6
7
8
R736
220K
R803
11
8 2
7
39
M
S701
NRSF-112-20SRRM
12
11
10 16
15
9
8
7
6
5
14
413
3
2
1
U701
GP1UM271XK0FH=12MM
3
2
1
X701
R809
3.3K
R727
100
R726
2.2K
R793
2
3
5
6
1
R796
2
3
5
6
1
R799
2
356
1
JL301B
NSCT-7P878
7
6
5
4
3
2
1
R957
5.6K
D953
1SS352
D952
1SS352
C961
104Z
Q951
S-80127CNMC-JKM-T2
4
OUT
3
NC
2
VSS
1
VSS
5
VDD
C960
104Z
D954
UDZS5.1B
C959
10/50
+
P959
NEJITANSI_ST3
2341
C955
MKP_R46_224M
C954
MKP_R46_224M
C953
MKP_R46_224M
P952A
1
P953A
1
C963
104Z
D951
S1NB60-4062
1
2
4
3
P954B
1
P954A
1
C956
DE1E3KX102ME4BA01
L951
NCH-3645
2
3 1
4
L952
NCH-3646
2
3 4
1
C962
102J
Q952
DTC123JKA
C958
104J
P959B
NPLG-5P133
5
4
3
2
1
D955
1SS352
RL951
NRL-1P10A-DC12-140
1
3 2
4
P957
NPLG-2P631
1
2
P956
NEJITANSI_ST3
2341
R958
82(1/2W)
C951
DE1310E472M-KH
T951
NPT-1487
5
6
891
4
C957
3300/25
+
P951
NPLG-3P836
2
1
P952B
1
P953B
1
P955
1
2
S951
NPS-111-L687P(TV-5)
JL301A
NPLG-7P590
1
2
3
4
5
6
7
JL702B
NPLG-5P588
1
2
3
4
5
+18V
C355
220/25(UTSJ)
C356
220/25(UTSJ)
R952
0
R954
330(1/2W)
R953
330(1/2W)
R951
2.2(1/4W)
Q331
2SA1488-Y
Q332
2SC3851-Y
R955
82K
R956
33K
+21V
+15V
+13V+5V
S703
NPS-111-S681
Q701
R8C/2B
R5F212A7SNFA
1
REMIN
2
NC
3
MODE
4
SPL_DET
5
SPR_DET
6
RESET
7
XOUT
8
VSS
9
XIN
10
VCC
11
12VTRG_IN
12
12VDELAY_IN
13
BTL_IN
14
DIRECT_KEY
15
POWER_KEY
16
LOCKED_LED
17
POWER_LED
18
STBY_LED
19
TONE_LED
20
DIRECT_LED
21
MUTING_LED
22
VOL_UP
23
VOL_DOWN
24
DIR_RST
25
DIR_CS
26
DIR_CLK
27
DIR_SDO
28
DIR_SDI
29
ROM_SCL
30
ROM_SDA
31
NC
32
NC
33
SYSIN
34
SYSOUT
35
SEL_DATA
36
SEL_CLK
37
TXD1
38
RXD1
39
HP_DET
40
HP_MUTE
41
AMUTE
42
DG_MUTE
43
ACPOWER
44
NC
45
NC
46
BLANCE_IN
47
TREBLE_IN
48
BASS_IN
49
SPEAKER_SW
50
SELECTOR_SW
51
VOL_POS
52
IPMDET
53
IPMSENSE
54
PWR_MODE
55
POFF
56
PROTECT
57
THERMAL
58
MODEL
59
GND
60
DAC_RST
61
VCC
62
VCC
63
SPB_RL
64
SPA_RL
Q702
TA4805BF
3
O
2
G
1
I
P881
3_5HPSTSW2
MSJ-064-05A_SR
5
4
2
3
7
8
1
C359
1000/25
C376
22/50
C375
22/50
C380
220/25
C379
220/25
AV
CAUTION
AND RATING INDICATED.
ONLY WITH FUSE OF SAME TYPE
AGAINST FIRE HAZARD, REPLACE
FOR CONTINUED PROTECTION
THAT THE FUSE USED IS SLOW OPERATING TYPE
RATING REFER TO THE MAKING ADJACENT TO THE SYMBOL.
THIS SYMBOL LOCATED NEAR THE FUSE INDICATES
FOR CONTINUED PROTECTION AGAINST FIRE FUSE
HAZARD,REPLACE WITH SAME TYPE FUSE. FOR FUSE
CE SYMBOLE INDIQUE QUE LE FUSIBLE UTLISE EST
A LENT, E POUR UNE PROTECTION PERMANENTE,N'UTILISER
QUE DES FUSIBLES DE MEME TYPE. CE DARNIER EST
INDIQUE LA QU LE PRESENT SYMBOL EST APPOSE.
NOTE_E
ARE CRITICAL FOR SAFETY.
+
P958
NPLG-2P631
1
2
T901
NPT-1586
T902
NPT-1586
CAUTIONF AFIN D'ASSURER UNE PROTECTION
PERMANENTE CONTRE LES RISQUES
D'INCENDIE, REMPLACER UNIQUEMENT
PAR UN FUSIBLE DE MEME TYPE
ET CALIBRATION COMME INDIQUE.
ATTENTION
VA
Q706
TA7291S
1
IN2
2
VCC
3
OUT2
4
NC
5
GND
6
VS
7
OUT1
8
VREF
9
IN1
R3010R465
0
R3020R466
0
C301
NC
C302
NC
C395
101J
C396
101J
R359
10K
R360
10K
C351
104J
C315 104JC316 104J
C313
220/25
Q321A
NE5532
1
4
3
2
8
R351
22K
C397
220/25
C314
220/25
Q322A
NE5532
1
8
2
3
4
C398
220/25
R449
100(1/4W)
D319
1SS352
R451
100(1/4W)
R452
100(1/4W)
R450
100(1/4W)
R453
470(1/4W)
R454
470(1/4W)
C405
100/25
R455
470(1/4W)
R456
470(1/4W)
C406100/25
R733
NC
R708
NC
R709
NC
R717
NC
C952
DE1310E472M-KH
U005
HEADPHONE TERMINAL PC BOARD
U007 REMOTE SENSOR PC BOARD
U002 DISPLAY CIRCUIT PC BOARD
BADIS-0268
U004
U009
U010
U003
SPEAKER TERMINAL PC BOARD BAASP-0269
To Digital Amp. PC board
To Headphone terminal PC board
BAETC-0273
To Speaker terminal PC board
BAASP-0269
U006
VOLUME CIRCUIT
PC BOARD
F901 3.15A125V3.15A125VT1.25A/250V
ADM-30.1MJJADM-30.1MDDADM-30.1MPA
To SD-3
Digital Amp. section
U008
__
66
__
C355C355
A-5VL
SCHEMATI DIAGRAM-3
DIGITAL SECTION
A
1
2
3
4
5
BCDEFGH
NET_VP12_VLSC
NET_VP12_VLSC
NET_VM12_VLSC
NET_VM12_VLSC
LRCK
SDATOUT
BCLK
MCLK
MCLK
BCLK
SDATOUT
LRCK
MCLK
BCLK
SDATOUT
LRCK
+12VS
GND_DG
DAC_R
GND_A
GND_A
DAC_L
+B_RCH
-B_RCH
GND_I
DAC_MS_L
DAC_MS_R
DAC_RST
DIR_RST
DIR_CS
DIR_CLK
DIR_SDO
DIR_SDI
DIR_LOCK
-5.74V
HeatSink
NC
NC
NC
10-15mAOPT IN
COAX IN
100mA
100mA
JSR1165-001recieving
BADG-0250
C229
22p
C231
22p
C232
22p
C230
22p
R235
680
R237
680
R238
680
Q206
NE5534
3
2
7
8
5
6
4
Q205
NE5534
2
3
4
6
5
8
7
R236
680
R239
330
R240
330
C234
102J/TF
C237
22p
R241
330
Q210
NE5534
3
2
7
8
5
6
4
C238
22p
C235
102J/TF
R242
330
C236
102J/TF
R243
4.7K
Q212A
NE5532A
5
6
8
7
4
R244
4.7K
R246
680
R245
680
R247
4.7K
R248
4.7K
R250
4.7K
Q212B
NE5532A
2
3
1
R260
560
R252
1.8K
Q214A
NE5532A
7
8
5
6
4
R249
4.7K
Q211B
NE5532A
5
6
7
R259
560
Q213A
NE5532A
1
4
2
3
8
R251
1.8K
C243
221/TF
C242
101/TF
C239
682J/TF
C240
682J/TF
C244
221/TF
C241
101/TF
R256
2.7K
R254
1.5K
R255
2.7K
R253
1.5K
R257
1K
R258
1K
C245
472J/TF
C246
472J/TF
Q214B
NE5532A
2
3
1
Q213B
NE5532A
5
6
7
R261
220K
R262
220K
C233
102J/TF
Q207
NE5534
2
3
4
6
5
8
7
Q209
NE5534
2
3
4
6
5
8
7
Q211A
NE5532A
2
3
4
1
8
C223
470/16
C247
UTSJ
47/50
C248
UTSJ
47/50
C224
470/16
C270
10/50
C269
10/50
R229
33(1W)
R230
33(1W)
R286
0
R201
10K
R203
330
R205
330
R207
330
R209
100
R211
330
R213
330
R215
330
R217
NC
R219
330
C222 102K
R220
330
R218
NC
R216
330
R214
330
R212
100
R202
10K
R204
330
R206
330
C209
104J
R223
4.7(1/4W)
R227
4.7
R221
10K
C219
220/10
C213
104J
C215
220/10
C214
104J
C216
220/10
R222
10K
C218
UTSJ
47/50
C220
220/10
C212
220/10
C210
104J
C217
UTSJ
47/50
C211
220/10
C205
104
C206
104
C204
100/10
L202
C203
100/10
L201
C202
100/10
C256
47/25
C260
100/10
C265NC
R263
0
L205
L206
R208
330
R210
100
R275
100
R276
0
R278
100
R279
100
R280
100
R281
100
R274
100
R271
330
R270
330
R264
150
R265
150
R277
100
C250
104Z
C221
102K
C268 NC
C267 NC
C258
47/25
R273
18K
Q218
AK4112B
14
RX4
13
RX3
12
RX2
11
RX1
10
AVSS
9
AVDD
8
R
7
PDN
6
XTO
5
XTI
4
V/TX
3
TVDD
2
DVSS
1
DVDD28CDTO
27
CDT1
26
CCLK
25
CSN
24
MCKO1
23
MCKO2
22
DAUX
21
BICK
20
SDTO
19
LRCK
18
ERF
17
FS96
16
P/SN
15
AUTO
C254
47/25
C253
104Z
C255
104Z
C257
104Z
C259
104Z
C252
47/25
+
L207HS102
L204
T6074NL
1
3
2
6
4
R283
NC
R267
100
C266
471
C249
22/50
R268
22
C251
105
R272
100
R225
4.7(1/4W)
R269
330
R266
NC
Q202
78M05
1
I
2
G
3
O
C208
10/50
R285
100(1/2W)
C261
NC
C207
NC
C285
100/25
Q216
MPC2933BHB-AZ
1
I
2
G
3
O
Q201
MPC2933BHB-AZ
1
I
2
G
3
O
R282
470(1W)
R226
4.7(1/4W)
R284
220(1W)
U201
NU/PESD
R224
4.7(1/4W)
R228
4.7
R288
0
P201MB9P-90
1
2
3
4
5
6
7
8
9
P202NSCT-9P2189
1234567
8
9
P203 3
2
1
Q203
PCM1796
1
ZEROL
2
ZEROR
3
MSEL
4
LRCK
5
DATA
6
BCK
7
SCK
8
DGND
9
VDD
10
MS
11
MDI
12
MC
13
MDO
14
RST
15
Vcc2R
16
AGND3R
17
Iout_R+
18
Iout_R-
19
AGND1
20
IREF
21
VcomR
22
VcomL
23
Vcc1
24
AGND2
25
Iout_L+
26
Iout_L-
27
AGND3L
28
Vcc2L
Q204
PCM1796
14
RST
13
MDO
12
MC
11
MDI
10
MS
9
VDD
8
DGND
7
SCK
6
BCK
5
DATA
4
LRCK
3
MSEL
2
ZEROR
1
ZEROL
28
Vcc2L
27
AGND3L
26
Iout_L-
25
Iout_L+
24
AGND2
23
Vcc1
22
VcomL
21
VcomR
20
IREF
19
AGND1
18
Iout_R-
17
Iout_R+
16
AGND3R
15
Vcc2R
Q208
NE5534
3
2
7
8
5
6
4
Q219
1
I
2
G
3
O
Q220
2I3
O
1
G
R287
10(1/4W)
R231
680
C225
332J/TF
R233
680
C227
332J/TF
R234
680
C228
332J/TF
R232
680
C226
332J/TF
Q215
3
VCC
2
G
1
OUT
U011
DIGITAL AMP. CIRCUIT PC BOARD
To Speaker terminal PC board BAASP-0269To Speaker terminal PC board BAASP-0269
_
_
212B
6
6
PRINTED CIRCUIT BOARD VIEW-1
U001: DIGITAL INPUT CIRCUIT PC BOARD BAAF-0249
A-5VL
R689
C631
R601
R555
D505
Q621
C537
D607
C621
R663
R675
R559 R561
R575 R577
R531
Q505
C513
R557
1
Q511
R635
R655
C619
R637
R683
C509
R633
R521
R625
R659
R623
R595
C539
Q509
R553
C627
R657
R639
C525
D601
C529
C521
D503
R551
R661
Q515
C523
C527
C511
R681
R677
R571
R589
Q605
Q605
Q603
C601
Q603
R693
R695
R631
R591
R599
Q631
3
P601A P602A
R585
R587
C603
R619
Q607
R685
Q627
C519
C647
R697
R691
R699
Q513
D501
C507
R537
R535
1
Q615
Q611
D605
C535
Q613 Q614
R519
R583
R581
C531
C533
R529
R523
R513
C505
R507 R508
R505
C503 C504
R503
R501 R502
C501
R514
C506
R524
R506
R504
C502
R530
P605A
D502
R532
C508
R538
R536
C534
P603A
R520
R558
C536
R584
R582
C532
Q616
C510
R638
R700
R698
Q612
Q628
R588
R522
C648
Q514
R664
R692
C520
D506
1
1
Q506
C538
C512
R636
D504
D606
C620
R684
R634
C514
R676
Q512
R656
R682
C540
R552
Q622
C524
1
R556
C632
Q510
R554
R662
R600
Q516
R640
R614
R572
C530
R612
Q602
C602
BCAF-0249
D608
C622
R632
Q602
R686
R592
C526
Q608
R586
R678
R590
R618
R616
R610
25140249B
R642
Q606
Q604
1
Q606
Q604
Q632
R696
R690
R674
B side view
C646
C644
R611
R613
R518
Q618
R534
Q504
1
R540
R542
1
Q502
R580
DRIVER
D610
C614
SPOUT
R658
R624
R620
R644
D602
R626
C604
D612
R622
C606
R688
C610
C608
R680
Q630
R694
1
C528
R660
R608
R606
R604
R630
R602
C628
R576
R560
D604
R578
C522
R562
R596
Q520
GND_NF
GND_DG+B-BGND
R516
R526
R528
R512
R510
-B
+B
Rch
GND_Rch
P
DC
+B
-B
CSD
R517
R515
Q503
R533
R541
R539
R527
R525
R509
R511
NC
NC
1
Q601
Q617
GND_NF
1
Q519
GND_DG
Q507Q508
1
Q501
GND_Lch
Lch
P
DC
CSD
R579
R617
Q601
R607
+B -B GND
R609
R621
C613
R605
D603
R629
R603
R641
R615
SPOUT
C605
R643
D611
D609
DRIVER
C607
C609
R687
Q629
C643
R673
R679
1
C645
A side view
A side pattern
B side pattern
A-5VL
PRINTED CIRCUIT BOARD VIEW-4
U003 SPEAKER
TERMINAL PC BOARD
BAAPS-0269
B side view A side view
J180
12
J166
J167
7
J181
25
J183
22
J110
25
J141
10
J142
12
J178
20
J179
22
J182
10
J109
27
J140
12
J156
J185
7
J176
10
J163
10
J16410J165
10
J147
J173
17
J177
10
J187
15
J101
22
J103
22
J114
27
J115
27
J122
17
J124
7
J125
10
J127
7
J128
20
J130
10
J131
22
J133
J134
17
J135
7
J149
7
J151
20
J154
12
J157
30
J175
17
J146
J158
15
J102
15
J104
15
J112J113
J108
17
J139
10
J116
J118
7
J111
10
J117
7
J119
J10615J107
15
J152
7
J150
15
J145
12
J155
7
J126
12
J123
15
J137
20
J132
30
J153
25
J120
17
J121
10
J129
10
J143
12
J144
12
J184
J186
J174
20
J172
22
J171
20
J170
20
J169
12
J136
20
J138
10
J148
17
J105
J159
25
J161
12
J162
7
J160
25
J168
C301
C302
C303
C304
C305
C306
C307
C308
C309
C310
C311
C312
C313
C314
C315
C316
C317 C318
C319
C320
C323
C324
C325
C326
C331
C332
C341
C342
C349
C350
C351C352
C353C354
C355
C356
C359
C360
C361
C362
C363
C364
C365C366
C367
C368
C371
C372
C373
C374
C375 C376
C377
C378
C379
C380
C381
C382
C389
C390
C391
C392
C393
C394
C395
C396
C397
C398
C399
C400
C401
C402
C403
C404 C405
C406
C407
C408
C409
C410
C635
C636
C901
C902
C903
C904
C905
C906
C907
C908
C909
C910
C911
C912
C917
C918
C919
C920
C921
C922
C923 C924
C925
C926
C927
C928
C929
C930
C931
C932
C933
C934
C937
C938
C941
C942
C943
C944
C945
D901
-
+
AC
D902
-
+
AC
J901
7
J902
7
J903
7
J904
7
JL302A
JL302B
JL303A
JL303B
JL351A
JL351B
L901
L902
L903
L904
L905
L906
P201B
P202B
P301P302P303P304P305P308
P309
P310
P401A
P601B
P602B
P603B
P605B
P701A
P901 P902
P903
P904
P905
P906
P907
P908
P911
P912
P913
P914
P959A
P960
Q301
Q302
Q303
Q304
Q305
Q306
Q307
Q308
Q309
Q310
Q311
Q312
Q313
Q314
Q315
Q316
Q317
Q318
Q319
Q320
Q331Q332
Q339
Q340
Q341
Q342
Q345 Q346
Q347
Q348
Q901
Q902
Q909
Q910
R301
R302
R303
R304
R305
R306
R307
R308
R309
R310
R311
R312
R313
R314
R315
R316
R317
R318
R319
R320
R322
R323
R324
R325
R326
R327
R328
R329
R330
R331
R332
R337
R338
R339
R340
R341
R342
R343
R344
R345
R346
R349
R350
R363
R364
R365
R366
R367
R368
R369
R370
R371
R372
R373
R374
R377
R378
R379
R380
R391
R392
R393
R394
R395R396
R399
R400
R405
R406
R407
R408
R409
R410
R411
R412
R413
R414
R415R416
R417
R418
R423
R424
R425
R426
R427
R428
R429
R430
R431
R432
R433
R434
R447
R448
R457
R458
R459
R460
R463
R464
R465
R466
R901
R902
R907
R908
R931
R932
R933
R934
RL901
RL902
S301
BCASP-0269
25140269
2
+B
-B
GND
GND
GND
SP
DRIVER
DRIVER
SP
GND
-B
+B
GND
GND
DAC_MS_L
DAC_MS_R
DAC_RST
DIR_RST
DIR_CS
DIR_CLK
DIR_SDO
DIR_SDI
DIR_LOCK
+12VS
GND_DG
GND_I
DAC_R
GND_A
GND_P
DAC_L
+B_RCH
-B_RCH
R481
R482
R484
C240
C357
C358
C411
C412
C637
C638
C639
C640
C641
C642
C913
C914
C915
C916
C935
C936
D301
D302
D305
D306
D307
D308
D311
D312
D313
D314
D315
D316
D317
D318
D319
D320
D321
D322
D609
D610
D611
D612
D903
D904
D905 D906
D907
D908
D909
D913
D914
D915
D916
L301
Q321
Q322
Q327
Q333
Q334
Q335 Q336
Q338
Q343
Q344
Q349
Q350
Q619Q620
Q625
Q626
Q903
Q904
Q905
Q907
Q908
Q911
Q912
Q915
Q916
R321
R333
R334
R335
R336
R347
R348
R351
R352
R353 R354
R355
R356
R357
R358
R359
R360
R397
R398
R401
R402
R403
R404
R419
R420
R421
R422
R435
R436
R437
R438
R439
R440
R441
R442
R449
R450
R451
R452
R453
R454
R455
R456
R461
R462
R641
R642
R643
R644
R645
R646
R647
R648
R649
R650
R651
R652
R653
R654
R665
R666
R667
R668
R669
R670
R903
R904
R905
R906
R909
R910
R911
R912
R913
R914
R915
R916
R917
R918
R919
R920
R921
R922
R923
R924
R925
R926
R927
R928
R929
R930
R935
R936
Q322
P909
+
-
P910
1
24
Q338
25
40
41
64
65
80
1
Q905
1
1
1
1
Q327
DRIVER
SPGND
Q322
-B+B
GND
Q321
1
1
GND
CSD
PROTECT
+10V
+10V
PROTECT
CSD
-B
+B
GND
GND
+B
-B
GND
SP
DRIVER
NC
+12VS
GND_DG
DAC_MS_R
DAC_MS_L
APOWER
CSD
+12VS
+12VS
+12VS
GND_DG
GND_DG
GND_DG
AMUTE
HP_MUTE
HP_DET
SEL_CLK
SEL_DATA
RI
DIR_LOCK
DIR_SDI
DIR_SDO
DIR_CLK
DIR_CS
DIR_RST
SPA_RL
SPB_RL
DAC_RST
PTOTECT
POFF
-B_RCH
+B_RCH
DAC_L
GND_P
GND_A
DAC_R
GND_I
GND_DG
+12VS
DIR_LOCK
DIR_SDI
DIR_SDO
DIR_CLK
DIR_CS
DIR_RST
DAC_RST
DAC_MS_R
DAC_MS_L
+-
-+
1
PRINTED CIRCUIT BOARD VIEW-2
U011 DIGITAL INPUT CIRCUIT PC BOARD (BADG-0250)
A-5VL
C222
R263
C250
R266
R268
P203
Q215
L204
C253
R267
C254
R276
R273
C255
C256
1
C252
C258
R272
L205
C260
Q216
R282
C261
R269
C266
R270
R271
R274
L207
C249
Q218
C259
R277
C257
R209
R207
R205
R203
R275
R278
R220
R216
R214
R210
R212
R208
R206
R202
R204
C204
R215
R213
R211
C202
R219
R217
Q201
C207
R284
C203
R201
C208
Q202
R279
R280
R281
P202
C285
C216
C214
R218
Q204
1
1
C218
R222
C206
1
C268
C267
C215
C205
1
Q203
C212
C232
C210
C220
C221
C209
C211
C231
C213
C219
R221
1
C217
C227 C228
Q207 Q208
R233 R234
1
C230
C226
Q206
C248
C242
C244
C246
C241
C243
C245
C247
C225
Q205
R231
C229
R261R262
P201
C238
C236
R232
Q210
R236
R238
C240
C239
R237
R235
1
C224
1
Q209
C237
C269
R242
R240
R229
C234
C233
R239
R241
C235
R285
R288
Q219
C223
R230
Q220
C270
BCDG-0250
25140250
1
3
B side view
Q212
1
L202
R258
Q214
1
R252
R256
R248
R250
R254
R249
R253
R251
1
R257
1
R243
R259
Q213
R247
R255
R226
R224
R228
L201
R227
R225
R223
R287
R264
R265
R283
C265
U201
L206
C251
R244
R260
R246
R286
R245
Q211
A side view
PRINTED CIRCUIT BOARD VIEW-3
U002 DISPLAY CIRCUIT PC BOARD BADIS-0268
A-5VL
DIRECT
BCDIS-0268
1
P701B
J739
S703
C738
7
DIRECT
D706
VOL_POS
+5V_VDD
OUT2
OUT1
JL702A
C736
J737
J738
10
Q706
GND
MUTING
J715
15
10
J713
J714
17
APOWER
DAC_MS_R
DAC_MS_L
GND
GND
GND
GND
+12VS
+12VS
+12VS
+12VS
J712
C718
DIR_CS
DIR_CLK
DIR_SDO
DIR_SDI
DIR_LOCKRISEL_DATA
SEL_CLK
HP_DET
HP_MUTE
AMUTE
CSD
15
J711
10
C702
SPA_RL
DIR_RST
SPB_RL
J748
POFF
PROTECT
DAC_RST
7
7
7
7
7
J736
J735
7
10
J710
15
J734
10
J746
J744
J745
J747
25140268B
30
R796R799
TREBLEBLANCE
J732
27
J731
15
X701
J730
J707
7
R793
J706
BASS
7
7
7
J742
J743
J724
J726
J725
P702
C717
J727
J728
7
J729
25
7
J723
7
7
22
J702
J705
7
7
J741
J718
J717
7
7
S702
SPEAKER
GND
STBY LED
POWER LED
POWER KEY
GND
+5V_VDD
REMIN
J716
10
JL301A
C735
LOCKED
JL703A
GND
VOL_POS
GND
D704D705
B side view
R721
R711
R713
R715
R716
R717
R718
R719
C703
C705
C706
R714
R785
R786
R858
R854
R766
R765
R764
C714
R769
R767R768
R763
R762
R759
R758
R757
R756
R855
R706
R705
R704
R787
R789
R790
R703
R702
R701
D701
Q705
R853
R761
D703
R760
R753
R755
C713
C721
C720
C719
R792
R708
R709
R710
R712
C704
R707
R791
16
1
64
C715
C716
Q701
49
C712
R754
R751
R752
C711
R720
17
R732
R733
32
33
48
R749
R750
R809
R857
R728
R729
R730
R737
R738
R739
R740
R745
R794
R746
R747
R748
R806
R722
R723
R724
R807
R808
R725
C707
C708
C709
R731
R856
R726
R727
1
Q703
Q704
D710
R736
R734
D702
R735
C710
R742
R741
R743
R744
C722
C723
C724
R851
R795
R797
C725
C726
C727
R852
R798
DIR_CS
DIR_RST
SPA_RL
SPB_RL
DAC_RST
PROTECT
POFF
DIR_SDO
DIR_CLK
DIR_SDI
APOWER
CSD
AMUTE
HP_MUTE
HP_DET
SEL_CLK
SEL_DATARIDIR_LOCK
DAC_MS_L
DAC_MS_R
R805
R804
C701
Q702
A side view
A-5VL
PRINTED CIRCUIT BOARD VIEW-5
U008 POWER SUPPLY PC BOARD BAPS-0270
3
P959
RISK OF FIRE
-REPLACE FUSE
GND
POFF
+12VS
APOWER
C962
AC-G
3.15A125V
C951
P953A
BCPS-0270
25140270B
1
P954A
Q951
P959B
P952A
C960
R955
R956
R957
12
J9537J952
12
J951
AS MARKED.
C961
D954
GND
P956
C959
Q952
-
C958
F901
D953
17
D952
J955
D951
+
R954
R953
R951
C957
C953
C956
D955
RL951
R958
C963
Soldering side view
L951
P954B
1
9
T951
23
7
8
A-5VL
L952
C954
4
AC-G
J958
15
J957
5
6
C955
AC-G
15
P957P958
U010 AC INLET TERMINAL PC BOARD
BAPS-0272
P953B
NLP952B
P951
BCPS-0272
0
25140272
Soldering side view
2
U009 POWER SWITCH PC BOARD
BASW-0271
2
S951
Soldering side view
C952
0
BCSW-0271
25140271
P955
PRINTED CIRCUIT BOARD VIEW-6
U004 INPUT SELECTOR PC BOARD
BASW-0276
R775
R776
R774
S701
A-5VL
R777
R778
R779
1
25140276
BCSW-0276
R780
R773
R772
R771
R770
JL703B
Soldering side view
U006 VOLUME CIRCUIT PC BOARD
BAETC-0274
U005 HEADPHONE TERMINAL PC BOARD
BAETC-0273
P882
C385
C383
C384
P881
Soldering side view
C386
BCETC-0273
251402731
L302
L304
L303
P401B
C729
C730
C728
R803
BCETC-0274
25140274
R801
J781
7
1
R802
C731
JL702B
Soldering side view
U007 REMOTE SENSOR PC BOARD
BAETC-0275
U701
C734
C733
C740
D708
BCETC-0275
25140275
1
Soldering side view
7
J771
C732
JL301B
R800
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q218: HIGH FEATURE96kHz 24bit DIR (AK4112BVF)-1
PIN ARRANGEMENT
A-5VL
DVDD
DVSS
TVDD
V/TX
XTI
XTO
PDN 7
R
AVDD
AVSS
RX1
RX2/DIF0 12
RX3/DIF1
RX4/DIF2
1
2
3
4
5
6
Top
View
8
9
10
11
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CM0/CDTO
CM1/CDTI
OCKS1/CCLK
OCKS0/CSN
MCKO1
MCKO2
DAUX
BICK
SDTO
LRCK
ERF
FS96
P/SN
AUTO
y
A
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q218: HIGH FEATURE96kHz 24bit DIR (AK4112BVF)-2
BLOCK DIAGRAM
A-5VL
XTOXTIMCKO2MCKO1RAVDDAVSS
RX1
RX2
RX3
RX4
V/TX
DVDD
DVSS
PDN
Input
Selector
System
Control
Clock
Recovery
DAIF
Decoder
AC-3/MPEG
Detect
AUTO ERF P/S="L"
Clock
Generator
DEM
Error
Detect
X'tal
Oscillator
Serial control mode
96kHz
Detect
Audio
I/F
µp I/F
XTOXTIMCKO2MCKO1RAVDDAVSS
FS96
DAUX
LRCK
BICK
SDTO
TVDD
CSN
CCLK
CDTO
CDTI
RX1
V
DVDD
DVSS
OCKS0
OCKS1
CM0
CM1
PDN
System
Control
Clock
Recover
DAIF
Decoder
C-3/MPEG
Detect
AUTO ERF P/S="H"
Clock
Generator
DEM
Error
Detect
X'tal
Oscillator
96kHz
Detect
4
Parallel control mode
Audio
I/F
FS96
DAUX
LRCK
BICK
SDTO
DIF0
DIF1
DIF2
TVDD
OCKS0
OCKS1
CM0
CM1
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q218: HIGH FEATURE96kHz 24bit DIR (AK4112BVF)-3
PIN DESCRIPTION
No. Pin Name I/O Function
V O Validity Flag Output Pin in Parallel Mode
1
TX O Transmit channel (through data) Output Pin in Serial Mode
2 XTI I X'tal Input Pin
3 XTO O X'tal Output Pin
4PDN I
5R -
6 AVDD - Analog Power Supply Pin
7 AVSS - Analog Ground Pin
8 RX1 I
DIF0 I Audio Data Interface Format 0 Pin in Parallel Mode
9
RX2 I Receiver Channel 2 in Serial Mode
10
11
12 AUTO O
13
14 FS96 O
15 ERF O
16 LRCK I/O Output Channel Clock Pin
17 SDTO O Audio Serial Data Output Pin
18 BICK I/O Audio Serial Data Clock Pin
19 DAUX I Auxiliary Audio Data Input Pin
20 MCK02 O Master Clock #2 Output Pin
21 MCK01 O Master Clock #1 Output Pin
22
23
24
25
26 DVDD - Digital Power Supply Pin, 3.3V
27 DVSS - Digital Ground Pin
28 TVDD - Input Buffer Power Supply Pin, 3.3V or 5V
Note 1: All input pins except internal pull-down pins should not be left floating.
DIF1 I Audio Data Interface Format 1 Pin in Parallel Mode
RX3 I Receiver Channel 3 in Serial Mode
DIF2 I Audio Data Interface Format 2 Pin in Parallel Mode
RX4 I Receiver Channel 4 in Serial Mode
P/SN
OCKS0 I Output Clock Select 0 Pin in Parallel Mode
CSN I Chip Select Pin in Serial Mode
OCKS1 I Output Clock Select 1 Pin in Parallel Mode
CCLK I Control Data Clock Pin in Serial Mode
CM1 I Master Clock Operation Mode Pin0 in Parallel Mode
CDTI I Control Data Input Pin in Serial Mode
CM0 I Master Clock Operation Mode Pin1 in Parallel Mode
CDTO O Control Data Output Pin in Serial Mode
Power-Down Mode Pin
When “L”, the AK4112B is powered-down and reset.
External Resistor Pin
18kΩ +/-1% resistor to AVSS externally.
Receiver Channel 1
This channel is selected in Parallel Mode or default of Serial Mode.
Non-PCM Detect Pin
“L”: No detect, “H” : Detect
Parallel/Serial Select Pin
I
“L”: Serial Mode, “H”: Parallel Mode
96kHz Sampling Detect Pin
(RX Mode) “H” : fs=88.2kHz or more, “L” fs=54kHz or less.
(X’tal Mode) “H” : XFS96=1, “L” : XFS96=0.
Unlock & Parity Error Output Pin
“L”: No Error, “H”: Error
A-5VL
A-5VL
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-1
Q327 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control)-1/3
SYSTEM BLOCK DIAGRAM
Multi
REC
SUB
Rin
Multi
Lin
Rch Tone
Lch Tone
CLOCK DATA
Lch
mono
Rch
10
11
10
11
Tone
1
2
3
4
5
6
7
8
9
1
2
3
4
5
6
7
8
9
Input selector
Input selector
REC
Input
ATT
Input
ATT
SUB
Out L
for
ADC
Out R
for
ADC
Volume
Volume
Multi
SBLin
Multi
SBRin
Multi
Cin
Multi
SWin
Multi
SLin
Multi
SRin
Bass &
Treble
Bass &
Treble
AGND
Volume
Volume
Volume
Volume
MCU I/F
Volume
Volume
Volume
Volume
Volume
Volume
AVEE
Lout
Rout
SBLout
SBRout
Cout
SWout
SLout
SRout
AVCC
A-5VL
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-2
Q327 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control)-2/3
BLOCK DIAGRAM AND PIN CONFIGURATION
SUBR
DGND
DATA
CLOCK
AVEE
INR1
INL1
INR2
INL2
INR3
INL3
INR4
41
42
43
44
45
46
47
48
49
50
51
I/F
MCU
MONO
40
MAIN
39
SUB
SUBL
38
ADCR
37
36
ATT
ADCL
35
0/-6/-12/-18dB
FRIN2
34 33
FLIN2
SRIN2
32
SLIN2
(1dBstep) (2dB step)
CIN2
SWIN2
29
30
31
Bass / Treble
0~-95dB, -14~+14dB
0~-95dB
(1dBstep)
SBRIN2
28
Tone
-14~+14dB
(2dB step)
+16~-95dB
(1dBstep)
SBLIN2
TRER
27
Tone
Bass / Treble
+16~0dB
BASSR2
26
+16~0dB
(1dBstep)
(1dBstep)
BASSR1
25
AVCC
24
AVCC
23
TREL
22
BASSL2
21
BASSL1
FRC
20
FROUT
19
AGND
18
FLOUT
17
16
FLC
15
6-C
6-OUT (SR OUT)
14
INL4
INR5
INL5
INR6
INL6
INR7
INL7
INR8
INL8
INRA/RECR1
INLA/RECL1
INR9
INL9
52
53
54
55
56
57
58
59
60
61
62
63
64
65 66
REC
67
68
69 70 71
72
74 75 76
73
+16~-95dB
(1dBstep)
+16~-95dB
(1dBstep)
+16~-95dB
(1dBstep)
+16~-95dB
(1dBstep)
+16~-95dB
(1dBstep)
77
78 79
80
AGND
13
5-OUT (SL OUT)
12
5-C
11
4-C
10
4-OUT (SW OUT)
9
AGND
8
3-OUT (C OUT)
7
3-C
6
2-C
5
2-OUT (SBR OUT)
4
AGND
3
1-OUT (SBL OUT)
2
1-C
1
INLB/RECL2
INRB/RECR2
INR10/RECR4
INL10/RECL4
INL11/RECL5
INR11/RECR5
RECR3
RECL3
FLIN1
FRIN1
CIN1
SWIN1
SLIN1
SRIN1
SBLIN1
SBRIN1
A-5VL
IC BLOCK DIAGRAMS AND TERMINAL DESCRIPTIONS-3
Q327 : R2S15211FP (8 ch Electronic Volume and 11 Input Selector and Tone Control)-3/3
TERMINAL DESCRIPTION
PIN No. Name Function
19,17,
14,12,
9,7,
4,2
20,16,
15,11,
10,6,
5,1
3,8,
13,18
23,27
21,22,
25,26
24
35,34,
33,32,
31,30,
29,28
73,74,
75,76,
77,78,
79,80
FROUT,FLOUT,
6-OUT,5-OUT,
4-OUT, 3-OUT,
2-OUT,1-OUT
FRC,FLC,
6-C,5-C,
4-C,3-C,
2-C,1-C
AGND
TREL, TRER
BASSL1, BASSL2
BASSR1, BASSR2
AVCC
FRIN2, FLIN2,
SRN2,SLIN2,
SWIN2,CIN2,
SBRIN2,SBLIN2
FLIN1, FRIN1,
CIN1,SWIN1,
SLIN1,SRIN1,
SBLIN1,SBRIN1
Output pin of FL/FR/C/SW/SL/SR/SBL/SBR channel
Connects capacitor for reducing click noise of
L/R/C/SW/SL/SR/SBL/SBR channel volume
Analog ground of internal circuit
Frequency characteristic setting pin of L/R channel tone control(Treble)
Frequency characteristic setting pin of L/R channel tone control(Bass)
Positive power supply to internal circuit
Input pin of L/R/C/SW/SL/SR/SBL/SBR channel (Multi IN 1/2)
41 DGND
42 DATA
43 CLOCK
44
46,48,50,
52,54,56,
58,60,64
45,47,49,
51,53,55,
57,59,63
40
38,39
36,37 ADCL, ADCR
72
71 RECR3
61,62,
65,66,
67,68,
69,70
AVEE
INL1, INL2, INL3,
INL4, INL5, INL6,
INL7, INL8, INL9
INR1, INR2, INR3,
INR4, INR5, INR6,
INR7, INR8, INR9
MONO
SUBL,SUBR
RECL3
INRA/RECR1,INLA/RECL1,
INRB/RECR2,INLB/RECL2,
INR10/RECR4,INL10/RECL4,
INR11/RECR5,INL11/RECL5
Digital ground of internal circuit
Input pin of control data
Input pin of control clock
Negative power supply to internal circuit
Input pin of L/R channel (Input Selector)
Input pin of monaural (Input Selector)
Output pin for L/R channel SUB Output
Output pin for L/R channel ADC
Output pin for L/R channel REC Output
Input pin of L/R channel (Input Selector)/
Output pin for L/R channel REC Output
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q601/Q602: IRS20954S DIGITAL AUDIO DRIVER-1
LEAD DEFINITIONS
A-5VL
Pin #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Symbol
VDD
CSD
IN
VSS
NC
VREF
OCSET
DT
COM
LO
VCC
NC
VS
HO
VB
CSH
Description
Floating input positive supply
Shutdown timing capacitor, referenced to VSS
PWM non-inverting input, in phase with HO
Floating input supply return
5V reference output for setting OCSET
Low-side over-current threshold setting, reference to COM
Input for programable deadtime, reference to COM
Low-side supply return
Low-side output
Low-side logic supply
High-side floating supply return
High-side output
High-side floating supply
High-side over-current sensing input, reference to VS
VDD
CSD
IN
VSS
NC
VREF
OCSET
DT
1
2
3
4
16
15
14
13
CSH
VB
HO
VS
20954
5
6
7
8
12
11
10
9
NC
VCC
LO
COM
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q601/Q602: IRS20954S DIGITAL AUDIO DRIVER-2
BLOCK DIAGRAM
A-5VL
VDD
IN
VSS
CSD
10.4V
CHARE/
DISCHARGE
PROTECTION
CONTROL
UV
DETECT
INPUT
LOGIC
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
FLOATING INPUT
HV
LEVEL
SHIFT
HV
LEVEL
SHIFT
HIGH
SIDE
CS
FLOATING HIGH SIDE
5V REG
DEAD-TIME
SD
DETECT
DT
UV
DETECT
UV
UV
HV
LEVEL
SHIFT
Q
LOW SIDE CS
CSH
VB
HO
VS
VCC
LO
20.8V
COM
OCSET
5.1V REFEREANCE
VREF
DT
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q205-Q210: NE5534AD OPE AMP.
(TOP VIEW)
A-5VL
BALANCE
IN−
IN+
V
CC−
1
2
3
4
COMP/BAL
8
V
7
CC+
6
OUT
5
COMP
Q211-Q214/Q321/Q322: NE5532AD OPE AMP.
(TOP VIEW)
1OUT
1IN−
1IN+
V
CC−
1
2
3
4
8
7
6
5
V
CC+
2OUT
2IN−
2IN+
IC BLOCK DIAGRAM/ TERMINAL DESCRIPTION
Q519/Q520: NJM78LxxUA 3-TERMINAL VOLTAGE REGULATOR
PIN CONFIGURATION
Pin arrangement
1. Output
2. GND.
3. Input
123
A-5VL
Loading...