Harman Kardon HK 990/230 User manual

harman/kardon Service Manual
HK 990/230
2 x 200W INTEGRATED STEREO AMPLIFIER
Released EU2009 harman/kardon, Inc. Rev 0, 03/2009
250 Crossways Park Dr.
Woodbury, New York, 11797

Speaker Board
In Board
Seaker Board
Head Phone
Led Board
Display Board
Fuse Board
Preamplifer Board
AMP
left
power
Thermistor Thermistor
Transformer
Power Cord in
Sp1+ Sp1- Sp2- Sp2+
1 2 3 4
7P J1
JP1
JP2
JP10
JP8
JP4
JP7
JP6
JP9
JP3 JP5
AMP
right
power
7P J1
JP1
JP2
JP10
JP8
JP4
JP7
JP6
JP9
JP3 JP5
Sp1+ Sp1- Sp2- Sp2+
1 2 3 4
3P
5P CN12
4P
CN3
5P
CN12
4P
CN13
6P
CN2
4P
CN4
7P
CN1
5P
CN3
2P
CN7
2P
CN8
2P
CN9
2P
CN10
5P
CN11
7P
CN6
7P
J2
7P
J3
3P
5P
J11
4P
J14
5P
J13
6P
J12
6

RST_DSP#
TPS_OUT
RST_DSP#
ICS_VDD
R65 47R
R122 10K
R123 10K
C54 10pF C52 DNE
R110 10K
R74 47R R75 47R
C95 100nF
L3 22uH
I/O0 4 I/O1 5 I/O2 6 I/O3 7 I/O4 9 I/O5 10 I/O6 11 I/O7 12
VDD 16 VSS
8
A0
1
A1
2
A2
3
SCL
14
SDA
15
INT
13
U20 PCA9554APW
R69 27R R67 27R
R108 10K
R109 10K
XTAL_IN
16
XTAL_OUT
1
ENABLE_1
15
ENABLE_2
2
BCLK0 4 BCLK1 6 BCLK2 8 BCLK3 10 BCLK4 12 BCLK5 14
VDD 9
VDDO 5
VDDO 13
GND
3
GND
7
GND
11
U13 ICS83905AGT
R72 47R R70 47R
R62 27R
R73 47R
R63 27R
R107 10K
C67 100nF
R66 27R
C62 100nF
C105 100nF
R112 10K
C53 10pF
SPI0_SCS / I2C1_SCL
4
RESET_N_DSP
3
SPI0_CLK / I2C0_SCL
5
SPI0_SIMO
6
SPI0_S0MI / I2C0_SDA
7
CLKIN
9
SPI0_ENA / I2C1_SDA
15
AFSR0
17
ACLKR0
18
AXR0[8] / AXR1[5] / SPI1_SOMI
19
AXR0[9] / AXR1[4] / SPI1_SIMO
20
AFSX1 22
ACLKX1 23
AXR0[13] / AXR1[0] 24 AXR0[12] / AXR1[1] 25
AFSX0 27
ACLKX0 28
AXR0[0] 29 AXR0[1] 30
AMUTE0
32
AHCLKR0 / AHCLKR1
49
AXR0[14] / AXR2[1] 51 AXR0[15] / AXR2[0] 52 AXR0[11] / AXR1[2] 56 AXR0[10] / AXR1[3] 57
AHCLKOUT 59
AXR0[2] 61 AXR0[3] 62
AXR0[4]
11
AXR0[5]
12
AXR0[6]
13
AXR0[7]
14
GND
8
GND
16
GND
21
GND
26
GND
31
VDD33 1
VDD33 2
U18
(2*16P2.54)*2 Twin-Row Socket(180)
C61
100nF
R106 10K
C65 100nF
R113 10K
C55 4.7pF
Y2 24.576MHz
R68 27R
R64 47R R76 47R R77 47R
C69
100nF
+3.3V
+5V
-15VA+15VA
+5V
+3.3V
+3.3V
+3.3V
+3.3V +3.3V
+3.3V
+3.3V
WM_BITCLK
SDATAR1
WM_SDATA WM_LRCLK
WDCLK
I2C_SCL SDATAL2
SDATAL1 SDATAR2
SRC_SDATA
BITCLK
SRC_BITCLK
SRC_LRCLK
I2C_SDA
DAC_L
SRC_AESOUT
ADC_LRCLK
ADC_BITCLK
ADC_SDATA
CS_AD1955_1# CS_AD1955_2#
CS_WM8740#
SUB_MUTE_OUT
SDO SCK
DAC_R
I2C_SCL
I2C_SDA
RST_SRC#
RST_AD1955#
MUTE_LISTEN#
CLK_24_MHZ_4 CLK_24_MHZ_2 CLK_24_MHZ_3 CLK_24_MHZ_5
SRC_LOCK#
SUB_SEL
RST_SUB#
SRC_INT#
SMD AD1955 (R)
AD1955 (L)
Connections toAD1955 L&R
Connections toWM8740
WM8740 & SRC4392
Ethernet HRS Link
1 2
43
5 6
87
J5
2*4P2.0(90)
2 4 6 8
10 12 14 16 18 20 22 24 26 28
1 3 5 7 9 11 13 15 17 19 21 23 25 27
J6 2*14P2.0(90)
C104
47uF/16V
C63
47uF/25V
C60
47uF/25V
OUT
2IN 3
GND
1
U15
AMS1117-3.3
SRC4392
R5
OPEN
TAPE_SEL
TAPE_SEL
FB1 FB0805
101

- +
2 3
48
1
U16A OPA2134UA
DVDD 1
AVDD 15 AGND
10
DGND
28
OUT L+ 18
OUT L- 17
OUT R+ 11
OUT R- 12
ZERO_L 21
DSD_RDATA
8
DSD_PHASE
9
LRCLK/EF_WCLK
2
BCLK/EF_BCLK
3
SDATA/EF_LDATA
4
MCK
27
CLATCH
25
CCLK
26
CDATA
24
DSD_SCLK
6
DSD_LDATA
7
EF_RDATA
5
RST
23
ZERO_R 20
MUTE 22
AGND
19
FILTB 16
IREF 14
FILTR 13
U23
AD1955ARS
R91 1K
C102 100nF
DVDD 1
AVDD 15 AGND
10
DGND
28
OUT L+ 18
OUT L- 17
OUT R+ 11
OUT R- 12
ZERO_L 21
DSD_RDATA
8
DSD_PHASE
9
LRCLK/EF_WCLK
2
BCLK/EF_BCLK
3
SDATA/EF_LDATA
4
MCK
27
CLATCH
25
CCLK
26
CDATA
24
DSD_SCLK
6
DSD_LDATA
7
EF_RDATA
5
RST
23
ZERO_R 20
MUTE 22
AGND
19
FILTB 16
IREF 14
FILTR 13
U19
AD1955ARS
R99 1K
C74 100nF
C89 100nF
C98 100nF
C78
1uF/50V(Poly)
R119 3.3K
- +
6 5
7
U22B OP275GS
C96
1uF/50V(Poly)
R98 2.2K
C88 1nF(poly)
R103 680R
R105 22K
1
23
Q6 2SA1035
R114 2.7K C99
2A221J
C97 100nF
R116 1K
R100 2.7K
R87 22K
R89 2.7K
- +
2 3
48
1
U21A OPA2134UA
R88 560R
1
23
Q5
2SA1035
R95 680R
- +
6 5
7
U17B OP275GS
- +
6 5
7
U16B OPA2134UA
C92 100nF
C90
100nF
C80 100nF
R86 2.7K
R83 47K
- +
6 5
7
U21B OPA2134UA
R90 2.2K
R93 2.7K
C100 1nF(poly)
R101 47K
R92 47K
C79 100nF
R117 47K
R111 560R
R94 3.3K
R82 2.7K
R120 680R
C76 220pF(NPO)
- +
2 3
4 8
1
U22A OP275GS
C101 100nF
C71 1nF(poly)
1
23
Q8
2SA1035
R81 1K
C81 2A221J
R115 2.2K
C93 220pF(NPO)
- +
2 3
4 8
1
U17A OP275GS
C84
100nF
C87 2A221J
R96 330R
R84 3.3K
C83 100nF
C72 100nF
C75 100nF
R85 680R
R102 3.3K
R79 2.7K
C82 1nF(poly) C70
2A221J
R104 2.7K
R80 2.2K
R97 2.7K
1
23
Q7
2SA1035
C73 100nF
C91 100nF
R121 330R
R118 2.7K
+5VA
+15VA
+15V_R
+15V_L
+15V_R
+5V
+15V_L
-15VA
+15V_L
+15V_R
+15V_L
+5V
+15V_R
+5VA
SCK
SDATAR2
WDCLK
CS_AD1955_2#
SDO
CLK_24_MHZ_2
BITCLK
SDATAL1 SDATAL2
CLK_24_MHZ_3
CS_AD1955_1#
SDATAR1
DAC_R
RST_AD1955#
BITCLK
DAC_L
SCK SDO
RST_AD1955#
WDCLK
C77
47uF/16V(Tan)
C94
47uF/16V(Tan)
C1 10uF
C35 10uF
C8 100nF
+5VA
+15VA
C34 100nF
OUT 2
IN
3
GND
1
U11
AMS1117-5.0
C45 100nF
C47 100nF
C66 10uF
C86 10uF
C68 47uF/16V
R6 10R
C85 47uF/16V
R7 10R
+15V_L -15V_L
+15V_L
+15V_L
-15V_L
-15V_L
+15VA -15VA
C103 47uF/16V
R8 10R
C106 47uF/16V
R9 10R
+15V_R -15V_R
+15V_R
+15V_R
-15V_R
-15V_R
FB3
FB0805
C109
47uF/25V
FB4
FB0805
C110
47uF/25V
DAC+5V_L
DAC+5V_L
DAC+5V_R
DAC+5V_R
C117
100nF(NPO)
C118
100nF(NPO)
C116
100nF(NPO)
C115
100nF(NPO)
102

TOSLINK
GPO8
GPO4
SPDIF4+
SPDIF3+
SPDIF4-
SPDIF3-
GPO7
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
GPO8
GPO3GPO2
GPO5
R58 47R
R20
75R
C23
100nF
NC
41
SDIN_A
39 SCLK_A
37 LRCLK_A
38
VDD_IO 42
AGND
10
DGND
16
VDD_18 17
TX- 31
TX+ 32
RESET
24
GPO1
26
GPO2
27
GPO3
28
MUTE
14
RDY
15
SDIN_B 46
LRCLK_B 47
SCLK_B 48
SDOUT_A
40 SDOUT_B 45
SYNC 36
BLS 35
AES_OUT 34
RX1+
1
RX1-
2
RX2+
3
RX2-
4
RX3+
5
RX3-
6
RX4+
7
RX4-
8
LOCK
11
RXCKO 12
RXCKI 13
CPM 18
CS/A0 19
CCLK/SCL 20
CDIN/A1 21
CDOUT/SDA 22
INT 23
GPO4
29
MCLK 25
DGND
30
DGND
43
BGND
44
VDD_IN 9
VDD_33 33
U9
SRC4392IPFBT
C51
100nF
R1
47R
R23
47R
L2
22uH
R19
2K7
C6
100nF
1A 2 1Y0
4
1B 3 1Y1
5
1Y2
6
1G 1 1Y3
7
VCC 16
GND
8
U10A
74LCX139TTR
R56 47R
C21
100nF
A2 12 O2
11 OE2 13
U5C
74LCX125MTC
C44
100nF
J2B
AV2-8.4-14/EC
R2
47R
L1
22uH
C38
100nF
R59 47R
C19
100nF
C24
100nF
C39
100nF
R34
10R
C33 100nF
A1
5O1 6
OE1
4
U5B
74LCX125MTC
R55 47R
R21
2K7
C17
DNE
C3
100nF
R22
75R
C18
100nF
C37
100nF
A0
2O0 3
OE0
1
147
U5A
74LCX125MTC
R57 47R
C32
100nF
61
43
T2
HR610675(Hanrun)
A0
2O0 3
OE0
1
147
U4A
74LCX125MTC
61
43
T1
HR610675(Hanrun)
R36
47R
C22
100nF
1A 14 2Y0
12
1B 13 2Y1
11
2Y2
10
1G 15 2Y3
9
U10B
74LCX139TTR
A3 9 O3
8OE3 10
U5D
74LCX125MTC
C20
DNE
J2A
AV2-8.4-14/EC
R26
47R
+3.3V
+1.8V
+3.3V
+1.8V
+3.3V
+3.3V
+5V
+5V
+3.3V
+3.3V
SRC_INT#
CLK_24_MHZ_4
RST_SRC#
I2C_SCL
SRC_SDATA
SRC_LOCK#
SRC_LRCLK
SRC_BITCLK
ADC_LRCLK
ADC_BITCLK
I2C_SDA
ADC_SDATA
SRC_AESOUT
SR C_I N T# i s a n op en dr a i n / ac t i ve LO W ou t pu t
SRC4392 is MASTERon bothPORTA andPORTB
C5
100nF
A3 9 O3
8OE3 10
U4D
74LCX125MTC
A2 12 O2
11 OE2 13
U4C
74LCX125MTC
1
2
3
U1
JSR1162-002
C4
47uF/25V
C7
47uF/25V
1
2
3
U2
JSR1162-002
COAX1 in
COAX2 in
OPT2 in
OPT1 in
C31
47uF/25V
C46
100nF
OUT 2 IN
3
GND
1
U8
AMS1117-1.8
61
43 T4
HR610675(Hanrun)
R25
2K7
R14 0R
C36
100nF
R24
2K7
6 1
4 3
T3
HR610675(Hanrun)
R29
300R
R13 DNE
10
9
+
+
+
+
1
4
2
6
5
3
7
8
GND
J4
RJ45 10P8C
R28
150R
R35
100R
CLK_24_MHZ_5
HRS-Link
C40
100nF
FB5
FB0805
C111
47uF/25V
FB9
FB0805
FB10
FB0805
FB8
FB0805
C112
100nF
C114
100nF
SUB Trig_1 OUT
SUB Trig_2 OUT
A
A
3
1
2
Q4
BSS123
t
PTC1
FSMD010-1206
C113
100nF
R46
47K D1
LL4148
Q3
SS8550
R60
1K
R61
10K
R71
10K
+5V
+3.3V
1
2
3J7
CKX-3.5-12A
1
2
3J3
CKX-3.5-12A
R78
10K
+3.3V
103

Subwoofer OUT L
Subwoofer OUT R
Subwoofer IN R
Subwoofer IN L
R15
3K
C49
100nF
C42
100nF
R16
47K
R42 24K
C11
330pF
R50 24K
R3
24K
R45 24K
R41 24K
R33
3K
C59
100nF
R44 47K
SO 10
S1 9
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z 13
2Z 3
E6
VCC 16
GND
8
VEE
7
U6
74HC4052D
R17
47K
-
+
6
5
7
U3B
NJM2068M
R49 47K
R18
3K
R40 47K
C56
100nF
R51 24K
C26
2A332J
C29
100nF
R53 47K
DVDD 8 AVDD 15
AVDDL 20
AVDDR 9
DGND
7
AGND
14
AGNDL
19
AGNDR
10
VoutR+ 12
VoutR- 13
VoutL+ 17
VoutL- 16
VmidR 11
VmidL 18
RST
22
LRCLK
1
BITCLK
3
SDATA
2
MCLK
5
ZERO 21
MODE8X
4
MUTE
25
DIFFHW
6
CSBIWO
23
MODE
24
MISO/DM0
26
SCK/DM1
27
CS/I2S
28
U12
XWM8740EDS
C10
330pF
R11
470R
R10
470R
SO 10
S1 9
1Y0
12
1Y1
14
1Y2
15
1Y3
11
2Y0
1
2Y1
5
2Y2
2
2Y3
4
1Z 13
2Z 3
E6
VCC 16
GND
8
VEE
7
U7
74HC4052D
C15
2A332J
R43 47K
R4
24K
R31
47K
R38 24KR47 24K
R52 47K
C14
2A332J
R30
3K
C57
100nF
R54 24K
R39 47K
C43
100nF
R32
47K
C25
2A332J
R48 47K
-
+
2
3
4 8
1
U3A
NJM2068M
C28
100nF
+5VA
-15VA
+15VA
+3.3V
+5VA
+5VA
+5VA
+5VA
+5VA
+5VA
SDO
SCK
CS_WM8740#
CLK_24_MHZ_4
RST_SUB#
WM_BITCLK
WM_LRCLK
WM_SDATA
SUB_MUTE_OUT
SUB_MUTE_OUT
MUTE_LISTEN#
SUB_SEL
2
G1
1
G3
J1A
AV4-8.4-13/EC
C2
100nF
G = 0.25 by software
G = 4
G = 4
C13
47uF/25V
C27
47uF/25V
C30
47uF/25V
C16
47uF/25V
C9
47uF/25V
C12
47uF/25V
C48
47uF/25V
C50
47uF/25V
SUB in
SUB out
C58
47uF/25V
C
BE
4.7K
Q2
DTC343TK
C
BE
4.7K
Q1
DTC343TK
4
G2
3
J1B
AV4-8.4-13/EC
C41
100nF
C64
47uF/16V
R12
100R
C107
47uF/16V
R27
100R
FB2
FB0805
C108
47uF/25V
FB6
FB0805
FB7
FB0805
R37
10R C119
47uF/25V
C120
47uF/25V
104

1
2
3
4
5
1
2
3
4
5
1
2
3
4
5
CN12
5P2.5
1
2
3
4
1
2
3
4
1
2
3
4
CN13
4P(2.0)
HP DETECT
HP L
GND
HP R
HEADPHONE_MICRO#
+15V
-15V
MIC OUT
AGND
6
5
7
8
6
5
7
8
6
5
7
8
IC5B
NJM2068 R26
1K
R25
1K
R30
100R
R29
100R
R24
10K
R23
10K
R28
100k
C36
104
C35
104
C31
47P
C32
150P
C40
10u16
C41
10u16
2
3
1
4
2
3
1
4
2
3
1
4
IC5A
NJM2068
C38
10u16
B
A
5
6
1
2
4
3
B
A
5
6
1
2
4
3
B
A
5
6
1
2
4
3
RELAY1
JRC-27F/012-M(555)
R22
200
D4
IN4148
Q2
C2120
R19
47K
R18
10K
GND
R15
10R
Phones board
1
2
4
5K
3
7
8K
CK1
CK-6.35-02
R IN
L IN
R10
1K
R8
1K
R14
1K
R13
1K
C2
104
+15V
-15V
+15V
-15V
C5
104
R1
10R R9
1K
R7
1K
R11
1K
R12
1K
C1
104
+15V
-15V
C3
104
R2
10R
17
16
19
18
20
IC4B
TPA6120A2
R31
27K
+15V
TO Pamp PCB
TO Pamp PCB
4
5
2
21
3
1IC4A
TPA6120A2
C9
100U25
C10
100U25
+15V
-15V
+15V
C29
331P
C30
331P
R17
47K
R20
47K
R4
10K
R32
2.2K
R3
1.65K
C4
473
C42
104
C7
470P
2.12V
R5
OPEN
105

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
0V
230V
45V
15V
15V
45V
diodes mounted on heatsink
100K
+/- 16VDC rails current:
1. 0.2mA for TL061
2. 4mA for OPA2134
3. 4mA for input stage
60VAC
45VAC
60VAC
45VAC
FAULT#
SPEAKER B
SPEAKER A
OUTPUT
INPUT
MUTE#
SENSE-
SENSE+
-16V-80V
+80V +16V
+60V
-60V
+60V
+60V
-16V
+16V
+60V
EGND
R62
10K
RL3A
HF-115F-048-1ZS3B
32
4
R94
10K
R24
2K2 1W D24 DL4148
C36
100nF
R26
0.22R(RF) 2W
J1
7P * 2mm
1
2
3
4
5
6
7
+
C11
1000uF/100V
R11
5R 5W
+
RL3C
HF-115F-048-1ZS3B
1
10
D1
MUR2020
R79
10K
C15
10nF/250V
C9
47nF/100V
JP2
Faston 6.3
1
2
1
2
+
C12
6800uF/80V
R4
10K 3W
R82
10K
t
RT1
CWF51-104J-3951(100K)
R57
22K
C33
2.2uF
R61
10K
D8
BAS20
R83
4K3
Q39
MJD243 34
1
R58
1K
R93
33K
C35
47nF
R92
33K
R10
5R6 1W
D6
ZMM16ST(16V)
JP5
Faston 6.3 1
2
1
2
RL3B
HF-115F-048-1ZS3B
87
9
R95
22K
C5
10nF/250V
Q43
2SA1255 1
23
+
C7
1000uF/100V
-
+
U4
TL061CD
5 1
62
3
74
C31
47uF
+
RL4C
HF-115F-048-1ZS3B
1
10
D4
MUR2020
D27
BAS20
JP3
Faston 6.3
1
2
1
2
+
C4
6800uF/80V
C8
10nF/250V
C37
47uF
R15
22K 3W
R30
10K
Q42
2SC3138
2 3
1
R1
2K2 1W
R60
10K
R22 6K2 1/2WQ44
2SC3138
2 3
1
C14
10nF/250V
D23
DL4148
Q20
MJD253
1
34
JP8
Faston 6.3 1
2
1
2
R96
2K4 2W
-+
D3
GBU8D
2
1
3
4
D19
DL4148
Q40
2SC3138
2 3
1
R80
390R
D26
ZMM16ST(16V)
RL4A
HF-115F-048-1ZS3B
32
4
C28
330pF
C19
1uF
R77
68K
JP9
1
21
2
+
C3
6800uF/80V
C34
1uF
R27
0.22R(RF) 2W
R3
22K 3W
R59
22K
R91
33K
Q41
2SC3138
2 3
1
R12
1R 5W
D2
MUR2020
R90
1K
JP7
1
21
2
JP4
Faston 6.3 1
2
1
2
R29
22K
Q21
2SC3138
2 3
1
L1
2.2uH
D16
DL4148
R78
10K
RL4B
HF-115F-048-1ZS3B
87
9
C32
1uF
JP10
1
21
2
R89
10K
U2
PC817A
1
2
3 4
R25
10K
C10
47nF/100V
D5
MUR2020
R97
2K4 2W
R28
1K
JP1
1
21
2
JP6
Faston 6.3 1
2
1
2
+
C13
6800uF/80V
C20
1uF
R16
10K 3W
R81
390R
106

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
2SA1312 & 2SC3324: SOT-23
NJL3281D & NJL1302D: TO-264
2SC4793 & 2SA1837: TO-220
MJD243 & MJD253: DPACK
2 x 2.2mA
MJL3281A & MJL1302A: TO-264
2SA1255 & 2SC3138: SOT-23
MJE15032 & MJE15033: TO-220
2SC4935 & 2SA1869: TO-220
38mV
INPUT
SENSE+
SENSE-
OUTPUT
MUTE#
+60V+16V
-16V
-16V -16V
+16V +16V
-60V
+80V
-80V
+16V
-16V
R40
4K3
TP5
C70
47nF(Mylar)10%
Mylar Cap
R2
150R 3W
Q35
2SC3324
2 3
1
TP1
D10
DL4148
D18
DL4148
C26
47nF(Mylar)10%
Mylar Cap
R5
0.33R 5W
R51
330R
R84 10R
TP6
Q28
2SA1312
1
23
R38
4K3
R18
0.33R 5W
R64
330R
C6
47nF/100V
FB11BDS-3S5
R70
1K
R39
1K8
D7
BAS20
FB10 BDS-3S5
R69
3K
Q13
MJL3281A
3 2
1
R72
39R
TP7
FB3 BDS-3S5
Q9
2SC4793
3 2
1
R35 10R
Q17
MJE15032
3 2
1
FB2 BDS-3S5
R68
82R
TP8
Q25
MJD243
3 4
1
R73
12K 1/4W 1%
Q16
MJL3281A
3 2
1
C1
47nF/100V
C25
270pF(NPO)5%
C23
47nF
R63
330R
R42
1K
FB7
BDS-3S5
R31
1M
R23
150R 3W
+
-
U3B
OPA2134UA
5
6
7
8
D13
DL4148
R43
150R 1/4W 1%
FB5 BDS-3S5
R85 10R
R55
10K 1/4W 1%
R44
1K
+
C2
220uF/100V
FB8 BDS-3S5
Q1
MJL1302A
1
32
Q3
NJL1302D
1
3 42 5
D25
BAS20
D17
DL4148
R86 10R
R13
22K 3W
Q6
2SA1837
1
32
D20
DL4148
C24
47nF
Q26
2SA1312 1
23
R34 10R
D14
BAS20
R7
0.33R 5W
Q32
BCP56-16 1
23 4
R9
0.33R 5W
Q7
MJE15033
1
32
Q11
2SA1837 1
32
R33 10R
C27
3.9pF(NPO)5%
C17
47nF/100V
Q14
NJL3281D
1
3 5
2
4
Q33
2SC3324
2 3
1
R19
0.33R 5W
R75
1K8
R76
150R 1/4W 1%
R65
270R
R45
3K
Q30
2SC3324
2 3
1
D11
DL4148
R56
270R
C22
1uF
Q12
MJL3281A
3 2
1
R47
39R
FB9 BDS-3S5
R36 10R
Q4
MJL1302A
1
32
Q22
2SA1312 1
23
D9
DL4148
Q8
2SA1869
1
32
Q27
2SA1312
1
23
Q5
MJL1302A
1
32
R17
0.33R 5W
R67
390R
R66
180R
R20
0.33R 5W
R54
6K2
R8
0.33R 5W
D21
DL4148
R87 10R
FB1
BDS-3S5
R21
0.33R 5W
FB12BDS-3S5
R52
300R
Q31
2SC3324
2 3
1
D12
DL4148
R14
30K 3W
Q36
2SC3324
2 3
1
Q18
2SC4793
3 2
1
Q29
2SA1312 1
23
TP2
+
C18
220uF/100V
U1
PC817A
1
2
3 4
R53
3224W-200R(BOURNS)
Q15
MJL3281A
3 2
1
FB6 BDS-3S5
Q10
2SC4935
3 2
1
R32
1M
R71
3K
R50
330R
D22
DL4148
C30
10uF
C21
1uF
R41
4K3
TP3
Q34
2SC3324
2 3
1
R49
180R
+
-
U3A
OPA2134UA
3
2
1
4
R46
3K
R48
12K 1/4W 1%
R88 10R
C16
47nF/100V
R6
0.33R 5W
Q23
2SA1312
1
23
FB4 BDS-3S5
R74
4K3
Q2
MJL1302A
1
32
TP4
Q37
2SC3324
2 3
1
Q38
MJD253
1
34
Q24
2SA1312
1
23
D15
BAS20
C29
10uF
R37 10R
107

4
6
8
K3A
JRC-27F/005-M(555)
13
9
11
K3B
JRC-27F/005-M(555)
CS_VOL#
SCK
SDO
DAC_L
DAC_R
HP_DETECT#
ANALOG_IN_L
ANALOG_IN_R
R45
100K
R46
100K
CE0
11
LATCH
15
GND
16 OUTL 1
BOUTL 2
OUTR 5
INL
9
V- 8
VSS_OUT 6
V+ 7
INR
10
BOUTR 4
VDD_OUT 3 CLOCK
14
DATA
13
CE1
12
Bias
Interface
&
Logic
U4
NJW1159M
+15VA
-15VA
6
4
+
3
-
2
7
U3
AD825
R6
910R
C5
100nF
R7 1.3K
C2
100nF
+15VA
-15VA
6
4
+
3
-
2
7
U2
AD825
R4
910R
C4
100nF
R5 1.3K
C1
100nF
Volume
C18
100nF
C14
100nF
R3
100R
R8
100R
1
2
3
4
5
6
7
J2
7P(2.0)
1
2
3
4
5
6
7
J3
7P(2.0)
SPEAKER_A
SPEAKER_B
TRIG_AMP
AMP_FAULT#
1
2
3
4
J14
4P2.0
HEAD PHONE
Output to class ABL amplifier
Output to class ABR amplifier
C11
10uF/50V
C10 10uF/50V
C7
220PF(Mylar)
C8
220PF(Mylar)
C6
47uF/16V
R2
100R
C3
47uF/16V
R1
100R
C13
47uF/16V
R12
100R
C9
47uF/16V
R11
100R
2
G1
1
G2
G3
JK1
AV2-8.4-14/EC
R15
47K
C17
2.2nF
R16
47K
C19
2.2nF
C22
100nF
PREOUT_L
PREOUT_R
4
6
8
K1A
JRC-27F/005-M(555)
13
9
11
K1B
JRC-27F/005-M(555)
L
R
GND
DET
R19
1K
C29
100nF
C25
100nF
R25
150R
C16
100nF
C15
100nF
R26
680R
VIN
3
ADJ
1VOUT 2
VOUT 4
U5
LM317EMP
R18
680R
ADJ
1
VOUT 3 VIN
2VIN
4
U8
LM337IMP
R17
150R
+7V
-7V
C20
220uF/10V
C23
220uF/10V
C12
10uF/50V
C24
10uF/50V
C26
220uF/25V
C28
220uF/25V
+15VA
-15VA
R20
1K
C31
47uF/16V
C34
47uF/16V
R23
5.6R
R24
5.6R
R13
75
R14
75
Text
R36 100R
R35 100R
R38
1K R51
1K
R50
1K
R59
1K
R77
47K
R86
47K
C46
100uF/16V
C47
100uF/16V
FB3 FB0805
C53
100uF/16V(For audio)
C56
100uF/16V(For audio)
C49
100uF/16V(For audio)
C52
100uF/16V(For audio)
R44 100R
R100 100R
R43 100R
C43
100PF
C44
100PF
C48
100PF
R101
100K
R102
100K
R110
OPEN
R107 100K
R109 OPEN
R105 100K
108