Cambridge Audio Azur 351R, Service Manual

Page: 19 / 46

Azur 351R Service Manual
19
MCU Schematic 1
DSP_SPI_CS
ADC/DSD_SEL#
DSP_RESET
DSP_SCL
HDMI_RESET#
ADC_RESET DSP_SPI_BSY
I2C_SDA
DSP_SPI_IRQ
DSP_SPI_SDA
EP_CS
EP_SCK
EP_MOSI
VO L_C LK
VOL_DA
PROTECT
RN12 10K*4
RN19
10K*4
D
GN
D
RN3 33R*4
RN17
10K*4
RN6
10K*4
RN4 33R*4
MCU+3.3V
MCU+3.3V
RN22
33R*4
RN16
10K*4
RN8
10K*4
RN7
10K*4
RN9 10K*4
RN1
33R*4
RN10 33R*4 RN11 33R*4
MCU+3.3V
RN15
10K*4
RN14
10K*4
RN24
33R*4
C149
104
D
GN
D
MCU+3.3V
C153
16PF
C152
16PF
Z2
8MHz
D
GN
D
RN25
33R*4
RN5 33R*4
RN21
33R*4
MCU+3.3V
RN18
10K*4
RN30
10K*4
FB15
FB0805
C150
22P F(N C)
D
GN
D
C151 22P F(N C)
C36 104
C223 104
C224
104
C225
104
C226 104
C227 104
C34
104
R151 OP
EN
A0
1
A1
2
A2
3
G
ND
4
SDA
5
SCL
6
WP
7
VCC
8
IC21
A
T2
4C0
4N
-1
0S
C
D
GN
D
FB14
FB0603
D
GN
D
MCU+3.3V
C184
100U/10
MCU+3.3V
1 2 3 4 5 6 7 8 9
10 11 12 13
CN3
D100-SSA-13
TUNER_R TUNER_L
TU_GND
TU-L TU-R
12V
NC NC NC
SCLK SENB
SDIO
RSTB
TO Tuner BOX
C39
104
Q4
C3361
R137
10K
Q5
S8050LT1
TU-GND
R157
2.2K
R156
15K
C38
104
+15V
C37 104
TU-GND
C154 47U/25
ＶＯ
Ｌ
Ｂ
ＧＮ
Ｄ
ＭＣ
Ｕ＋
５Ｖ
ＶＦ
Ｄ＿
ＤＡ
ＴＡ
ＶＯ
Ｌ
Ａ
D
GN
D
ＭＣ
Ｕ＋
５Ｖ
ＲＥ
ＭＯ
ＴＥ
ＶＦ
Ｄ＿
ＳＴ
Ｂ
ＶＦ
Ｄ＿
ＣＬ
Ｋ
MCU+5V MCU+5V
TO d ispl ay b oard
U0_RX U0_TX
D
GN
D
UPDATE SW
KF-YL-03
I2C_SDA I2C_SCL
DSP_SPI_CS DSP_SPI_BSY
DSP_SPI_IRQ DSP_SPI_SDA
EP_CS EP_SCK EP_MOSI
HDMI_RESET#
DSP_SCL
ADC/DSD_SEL#
DSP_RESET
H/P_DET
REM
O
TE
VFD_DATA VFD_CLK VFD_STB
TUNER_R
TUNER_L
U0_TX U0_RX
OSC_OUT
VOL_B
VOL_A
TU-GND
Ｈ／
Ｐ＿
ＤＥ
Ｔ
VOL_MUTE
DMX_SET
O
2
G
1
I
3
IC19
AMS1117-3.3
MCU+3.3V
MCU+3.3V
C237
100
U/10
C235 104
C238
100U/
10
C236 104
DSP_SDA
ＡＣ
＋１
５Ｖ
ST_BYPASS
NC NC
MCU+5V
TU-GND
A
GN
D
D
GN
D
R123
NC
SW
1
ＳＷ
１
C164
104
C163
104
C162
104
C161
104
BT_RX BT_TX BT_RST
T
O
B
LU
Et
oo
th
1 2 3 4 5 6
CN5
6P(2.0)(NC)
FB2
FB0603(NC)
FB3
FB0603(NC)
FB4
FB0603(NC)
BT_RX BT_TX
BT_RST
BT+5V
BT_RX
BT_TX
BT_RST
SIGNAL_DET
C142
104(NC)
Q7
C3361(NC)
R134
10K(NC)
R136
4.7K(NC)
R135
100R(NC)
D+5V
C1
104(NC)
C144
47U/25(NC)
BT_O
N
/OF
F
TU_SCLK
TU_SENB
TU_SDIO TU
_R
ST
B
TCK/SWCLK TDO TDI TMS/SWDIO TRST
JTA
G
2 4 6 8 10 12 14 16 18 20
1 3 5 7 9
11 13 15 17 19
JK2
2*10P2.0(180)
3.3_JTAG
FB7
FB0603
MCU+3.3V
Ｐ
ＯＮ
／Ｏ
ＦＦ
U0TX U0RX
G
ND
MCU+3.3V
2 4 6 8
1 3 5 7
CN2
2*4P2.0(180)
MCU+3.3V
Q8
S8550LT1(NC)
AC15V
P _ON/OFF
P_ON/OFF
VFD_DATA
SW
1
REM
O
TE
VFD_CLK
H/P_DET
VFD_STB
VOL_B VOL_A
TU_SENB TU_SCLK TU_SDIO TU
_R
ST
B
TU
+1
2V
TU_ON/OFF
TU_ON/OFF
TU
+1
2V
TU_ON/OFF
TU_SENB
TU_SCLK
TU_SDIO
TU_RSTB
SYS_MUTE
SUB_MUTE
VFD_DATA
SW
1
VFD_CLK
H/P_DET VFD_STB
AMP_STB
VOL_B VOL_A
RN2
33R*4
DMX5.1_SET
C32 104
D
GN
D
D
GN
D
C5
2200
U/10
D+5V
D+5V
VCC
D
GN
D
C100
22uF/25V(X7)
D
GN
D
C99
22uF/25V(X7)
D
GN
D
R109
10
K
R110
10K
D
GN
D
C106
103
D
GN
D
C108
4700PF(NPO)
C101
103
R112
7.5K 1%
C107
120PF(NPO)
L1
CDRH104RNP-220NC(sumida)
D
GN
D
D
GN
D
D1
B340A
D
GN
D
R111
10K 1%
R108
30.9K 1%
D+5V
R192
1M
BT_RX
BT_TX
BT_O
N
/OF
F
BT_SPDIF
BT_SPDIF
ＧＮ
Ｄ
P_ON/OFF
SYS_MUTE
MIC_MUTE
PE2
1
PE3
2
PE4
3
PE5
4
PE6
5
VBAT
6
PC
13-
TA
M
PE
R-
RT
C
7
PC14-OSC32_IN
8
PC15-OSC32_OUT
9
VSS_5
10
VDD_5
11
OSC_IN
12
OSC_OUT
13
NRST
14
PC0
15
PC1
16
PC2
17
PC3
18
VSSA
19
VR
EF
-
20
VREF+
21
VDDA
22
PA0-WKUP/USART2_CTS/ADC_IN0/TIM2_CH1_ETR
23
PA1/USART2_RTS/ADC_IN1/TIM2_CH2
24
PA2/USART2_TX/ADC_IN2/TIM2_CH3
25
PA3/USART2_RX/ADC_IN3/TIM2_CH4
26
VSS_4
27
VDD_4
28
PA4
29
PA5
30
PA6
31
PA7
32
PC4
33
PC5
34
PB0
35
PB1
36
PB2/BOOT1
37
PE7
38
PE8
39
PE9
40
PE10
41
PE11
42
PE12
43
PE13
44
PE14
45
PE15
46
PB10/I2C2_SCL
47
PB11/I2C2_SDA
48
VSS_1
49
VDD_1
50
PB12
51
PB13
52
PB14
53
PB15
54
PD8
55
PD9
56
PD10
57
PD11
58
PD12
59
PD13
60
PD14
61
PD15
62
PC6
63
PC7
64
PC8
65
PC9
66
PA8/USART1_CK/TIM1_CH1/MCO
67
PA
9/
U
SA
RT
_T
X
/T
IM
I_
CH
2
68
PA10/USART_RX/TIMICH3
69
PA11
70
PA12
71
PA13
72
NC
73
VSS_2
74
VDD_2
75
PA14
76
PA15
77
PC10
78
PC11
79
PC12
80
PD0
81
PD1
82
PD2
83
PD3
84
PD4
85
PD5
86
PD6
87
PD7
88
PB3
89
PB4
90
PB5
91
PB6/I2C1_SCL/TIM4_CH1
92
PB7/I2C1_SDA/TIM4_CH2
93
BOOT0
94
PB8
95
PB9
96
PE0
97
PE1
98
VSS_3
99
VDD_3
100
IC17
STM32F103VET6
BOOT1
R202
33
RESET#
R199
10K
R200
10K
R201
10K
DBGRQ
DBGACK
RTCK
OSC_IN
+3.3VDD
C35 1U /10
+3.3VDD
Z1
32.768KHz(NC)
R122
10M(NC)
D
GN
D
R204 33
R203 33
DSP_SDA
R193
10K
R148
10K
RN29
10K*4
RN28
10K*4
BOOT0
R104
10K
RN23
33R*4
RN20 10K*4
U0_RX U0_TX
BT_RST
I2C_SCL
BT_O
N
/OF
F
BT_O
N
/OF
F
REM
O
TE
REM
O
TE
ADC_RESET
RN26 10K*4
RN27 10K*4
MCU+3.3V
R197 10K
R198 10K
R194 10K
R195 10K
RN13 10K*4
R206
33
R205
33
R207
33
R208
33
MIC_MUTE
VOL_A VOL_B
U0_TX U0_RX
H/P_DET
SW
1
DMX_SEL
DMX5.1_SET
ST_BYPASS
VO L_C LK
VOL_DA
VOL_MUTE
VFD_STB P_ON/OFF
SIGNAL_DET
PROTECT
SUB_MUTE
AMP_STB
VFD_DATA VFD_CLK
TU_ON/OFF
TU_RSTB
TU_SDIO
TU_SENB
TU_SCLK
R211
33
R212 33
R213
33
D
GN
D
BS
1
IN
2
SW
3
G
ND
4
FB
5
COM
6
EN
7
SS
8
PAD
9
IC16
M
P1
42
3
HP_MUTE
HP_MUTE
1 2 3
SW
1
MSV-1260
D
GN
D
BOOT0
ＧＮ
Ｄ
ＧＮ
Ｄ
1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18
CN4
18P1.0
ＧＮ
Ｄ
ＧＮ
Ｄ
MCU-sch 1/3
166