Azur 752BD
Service Manual
39
polypropylene
polypropylene
C106,
C107
为
C
L2
3X
封装
NP Electrolytic
NP Electrolytic
NP Electrolytic
NP Electrolytic
NP Electrolytic
NP Electrolytic
pin25 MUTEB digital input
low to soft mute
hight for normal operation
MUTE
software mute for digital
mute# is ZERO action low mute for terminal after no data input 1024 periods
751BD:MD0/DM0 ,MC0/DM1 set‘0,0’for DE EMPHASIS OFF
751BD : PIN23 set '1', pin28 (internal pull up) set '1' = data input I2S format
751BD: pin24 mode set '0' is hardware mode for left mono mode
PESD5V0V1BL SOD882
SOD-882
PESD5V0U1BA/NXP
SOD-323
0603
X7R
1206 COG
COG
COG
Thic
k film
Thick film
Thick film
Thick film
Thick film
NPO
0603
NPO
0603
NPO
0603
NPO
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603 Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
Thick film
0603
NPO
0603
NPO
0603 NPO
0603 NPO
0603 NPO
0603 NPO
0603
NPO
0603
NPO
1206 COG
1206 COG
1206
1206
0603 COG
0603 COG
when paly DSD ,MUTE_DSD set to '0'
when paly PCM or another ,MUTE_DSD set to '1'
BDP-93:
PCM: MUTE_DSD set to '1'
DSD: MUTE_DSD set to '0'
751BD:
when power on : mute signal set to '1' mute circuit open
when normal play,mute signal set to '0', mute circuit colse
when play DSD format ,mute signal set to '1' circuit open
when play PCM format ,mute signal set to '0' circuit close
0603 COG
0603 COG
1
LRCIN
2
DIN
3
BCKIN
4
MODE8X
5
SCLK
6
DIFFHW
7
DGND
8
DVDD
9
AVDDR
10
AGNDR
11
VMIDR
12
VOUTRP
13
VOUTRN
14
AGND
15
AVDD
16
VOUTLN
17
VOUTLP
18
VMIDL
19
AGNDL
20
AVDDL
21
ZERO
22
RSTB
23
CSB/WO
24
MODE
25
MUTEB
26
MD/DM0
27
MC/DM1
28
ML/I2S
U29
VM8740
R320
NOT FIT
C267
473 0603
C268
104
C270
104
C269
104
C271
104
C246
104
R305
10K 1%
R304
TABLE
R307
TABLE
R301
TABLE
R302
TABLE
R303
TABLE
R306 TABLE
R308 TABLE
R309 TABLE
R280
750R 1%
R281
750R 1%
C244
1.5nf
C245
1.5nf
3
+
2
-
1
4
8
U30-A
NE5532A
5
+
6
-
7
U30-B
NE5532A
R282
3.6K 1%
R300
3.6K 1%
R283
2K 1%
C248
151
R286
2.2K 1%
C257
10pf
C249
104
C250
104
C247
151
R284
2K 1%
R285
2.2K 1%
C366
10nf
R299
220R 1%
R315
220R 1%
Q19
2SC3326
Q20
2SC3326
R314
10K 1%
R313
10K 1%
R296
47K 1%
C259
101
R287
750R 1%
R288
750R 1%
C251
1.5nf
C252
1.5nf
3
+
2
-
1
4
8
U31-A
NE5532A
5
+
6
-
7
U31-B
NE5532A
R289
3.6K 1%
R290
3.6K 1%
R291
2K 1%
C254
151
R294
2.2K 1%
C261
10pf
C255
104
C256
104
C253
151
R292
2K 1%
R293
2.2K 1%
C264
10nf
R298
220R 1%
R310
220R 1%
Q17
2SC3326
Q18
2SC3326
R312
10K 1%
R311
10K 1%
R297
47K 1%
C260
101
L17
0R
L18
0R
L13
0R
L16
0R
L11
0R
L12
0R
L9
0R
L10
0R
C1
NO FIT
C2
NO FIT
C3
NO FIT
C4
NO FIT
C5
NO FIT
C6
NO FIT
C7
NO FIT
C15
NO FIT
2
3
1
CN8
L7
0R
L8
0R
C16
NO FIT
C17
NO FIT
R3 220R
R4 10K
R5 10K
2
3
1
Q25
BC807
23
1
Q26
BC807
D2
BAS316
+
CE85
1000UF
25V
R6
10K
R7
100K
Q27
BC846
R8
1K
R9 10K
R10
51K(NC)
R276
22R
R277
22R
R278 10K
R295
10K
Q28
BC807
R324
0R
12
34
56
78
RP9
4x33R
CE32
10UF/35V
CE33
10UF/35V
CE34
47UF/16V
CE35
10UF/35V
CE36
47UF/16V
CE37
47UF/16V
D17
BAS316
D23
BAS316
D18
BAS316
D24 BAS316
2
3
4
1
5
6
8
9
10
7
11
12
CN7
R267
33R
D25
BAS316
D26
BAS316
D27
BAS316
D28
BAS316
D29
BAS316
2
1
ZD2
2
1
ZD3
2
1
ZD4
2
1
ZD5
2
1
ZD6
2
1
ZD7
2
1
ZD8
2
1
ZD9
2
1
ZD12
2
1
ZD13
R67
15K
5V
RESET
-12V
+12V
-12V
ANALOGUE_MUTE
ANALOGUE_MUTE
SPI_DIN
SPI_CLK
DAC_
CS
+12V
SBR#
SBL#
LEFT_FRONT#
RIGHT_FRONT#
RS#
CENTER#
SW#
SBL#
SBR#
CPU+5V
AGND
-12V
AGND
5V
ANALOGUE_MUTE
LEFT_DOWNMIX#
RIGHT_DOWNMIX#
SLRCK_DAC
SDATA_LSB_RSB_DAC
SBCLK_DAC
DAC5_MCLK
DAC_VD_5V#
DAC_VD_5V#
5V
5V
MUTE5
MUTE4
MUTE3
MUTE2
MUTE1
MUTE_DSD
MUTE5
LS#
ANALOGUE_MUTE
MUTE
-37-