Denon D-M38S, Service Manual

Page: 57 / 95

57
CD SIGNAL LINE
USB SIGNAL LINE
Digital out SIGNAL LINE
FCS-
TRK-
TRK+
FCS+
LD PD
LD VR
LD LD
PDIC GND
PDIC F
PDIC C
PDIC B
PDIC A
PDIC D
PDIC E
PDIC VCC
PDIC VC
RF
ZI
AVSS3
RF
RP
TE
I
AVDD3
FOO TR
O
FMO DM
O
VCOI
VSS
XVSS3
XI
XO
XVDD3
DVSS3
RO
DVDD3
LO
DVSS3-2
VDD1-2
/S
R
A
MS
TB
/R
S
T
BUS
2
/S
O
BUS
3
/S
I
BUC
K
/C
C
E
TE
S
T
T
U
O
D
S
M
AIN
BCK1
LRCK1
VDD1
-3
VSS4 PDO TMA
X
LP
F
N
LP
F
O
PVR
E
F
VCOF
SLCO
RFI
RFRPI
RFEQO
VRO
RFO
AGCI
TSETR
RVDD3
LDO
MDI
RVSS3
FNI2
FNI1
FPI2
FPI1
TPI
TNI
RESET
PC1/INT1
PC2/INT2
PC3/INT3
DVCC3B
DVSS1B
DVCC1B
RVOUT1
RVIN0
RVIN1
RVOUT2
DVCC1A
DVSS1A
DVSS1
DVCC3
A1
DVSS2 DVCC3
A2
P63
P64
P65
P66
P67
DVSS3
DVCC3A3
P74/TA[0]IN
P80/CS[0](BOOT)
AM[1]
DVSS4
X2
X1
DVCC3
A4
P
75/U
S
BOC DP DM
AM
[0
]
P7
7
/X
1
USB
DVSS5
P
F
3/TX
D
[1]
PF
4
/R
X
D[1
]
I2
C_
SCL
DVCC3
A5
PG
3
PG
2
PG
1
PG
0
DVSS0
LRCK1
DAT
AS
BC
KOUT
HP_ON
PROTECTOR
+5V
D
_U
S
B
GND
GND VDD
RESET
RX TX
BOOT
VFD_RST
VFD_CLK
VFD_DI
VFD_CE
ST+3.3V
GND
REMOTE
KEY0
KEY1
EX_INTERRUPT
VOL-
VOL+
ST+3.9V
MCU/CD/USB Part
GND
SP_ON
GND
_U
S
B
D+ D-
PWR_DN
PWR_ON
GND
+8V
PO
WE
R
_
PR
O
T
USB+
9
V
GND
SW+
5
V
GND
+8V
M
VFD+3.3V
GND
HP_IN
LED_RED
LED_GREEN
PORTABLE_IN
EEPROM
A0
A1
A2
GND SDA
SCL
WP
VCC
IPO
D
_
T
X
+8V GND GND
R804
O 10K
ML
C
K
(D
O NOT U
S
E
)
BI
C
K
SDT
I
LRCK DAC_
RST
DAC_
CE
DAC_
CLK
DAC_
CDT
I
GND
LOADING-
MGND
CLSW
SPINDLE-
SLED-
SLED+
MGND
LMSW
OPSW
O OPEN OPEN
10K
GND
GND
GND
100K
SL+
TIN-R
TIN
SL-
VREF
SLIN
T+
T-
CLO
N I L C O P O
GND2
F+
SPIN
OPIN
GND1
FIN
SP+
SP-
I2
C_
SDA
I2C_SCL
I2C_SDA
CP
_
R
ESET
NRESET
MODE1 MODE0
DVDD3-2
VSS
VDD1
-2
VDDM
1
PIO0
PIO2
PIO1
PIO3
BI
C
K
SDT
I
LRCK
GA
TE
FIN-R
REB
REO
MUTE
F-
VCC2
VCC2
LD_CTL
GND3
CD DSP
USB MCU
RDS DAT
A
RDS CLK
AG
N
D
V
C
C
(9V
)
R_
O
U
T
ST
IN
D
L_
O
U
T
TU
NE
D
SDA SCL
PO
R
T
_
S
E
L
SHEET 01
MOTOR DRIVE
GND
R805 R803 R802
JPN
OTHER
SPDIF OPTION
VER
100
OPEN
R801
USB UPDATE
DAB
_
DO
/S
PDIF
DAB
_
DI
F_V
_
D
A
TA
F_V
_
C
LK
F_V
_
C
E
F
M
UT
E R166 PWR
OPEN 3V
0 5V
TO INPUT B'D SHEET 02 TO POWER B'D SHEET 03
TO CD PICKUP
TO MECHANISM
TO MECHANISM
TO INPUT B'D
SHEET 02
TO FRONT B'D
SHEET 03
IPO
D
_
R
X
TO SUB POWER B'D
SHEET 02
TO FRONT B'D
SHEET 03
FROM AMP B'D
SHEET 03
FROM TUNER MODULE
UK Ver. ONLY
LEVEL SHIFT
TO INPUT B'D
SHEET 02
USB PARTS
CD DSP PARTS
MS
2
AVSS
VREFH
LD_
C
HK
REMOTE_IN
MT_STBY
CD_CLOSE_M
AMP_PRT
SP_ON
HP_ON
VFD_RST
VFD_DI
VFD_CE
VFD_CLK
IPO
D
_
T
X
IPO
D
_
R
X
X2
DVSS
X1
RESET XT
1
RDS_
CLK
RDS_
DAT
A
EEP
O
RM
_
D
AT
A
DEBUG
CD_
B
U
S2
CD_BUS3
CD_BUCK
CD_CCE
CD-DSP_RST
CD_OPEN-M
CD_OPEN-SW
LED_RED
DVCC
CD_CLOSE-SW
POWER_PROT
CD_LIMIT-SW
PO
WE
R
-H
F_MUTE
REG
V
CC
MOD
E
L_OP
TI
ON
AVCC
VO
L+
VO
L-
ST
EREO
_
IN
TU
NE
D
_
IN
TU
_S
C
L
TU
_S
D
A
F_V
_
C
E
KE
Y
1
KE
Y
0
HP_
IN
SPDIF_ON
BOOT_MOD
E
F_V
_
C
LK
F_V
_
D
A
TA
EEP
O
RM
_
CLK
NC
EX_INTERRUPT
DAC_RST
DAC_
CE
DAC_
CLK
DAC_
CDT
I
HOST MCU
TEST2
DVSS
DVCC
TEST1
USB_TX
USB_RX
DAB_DAO
DAB_DAI
NC NC NC NC
B
O
L_
RST
DEBUG
DEBUG
DEBUG
DEBUG
TEST3
USB_DET
LED_GREEN
CVSS
CVCC
REGVSS
XT
2
NC
NMI MOD
E
P
O
RT
AB
LE_
IN
P
OW
N_D
OW
N
TE
S
T4
NC NC V
E
R
_
OP
TI
ON
NC
NC
RESET IC
VDD RESET RX
TX
BOOT GND
MCU UPDATE
VERSION OPTION
R128
EK(UK) 33K(2.5V)
VER.
4K7(1V)
1K8(0.5V)
8K2(1.5V)
E2(EUR)
E3(USA)
S(JAPAN)
MODEL OPTION
USE
RCD-M38 R429:0
MODEL
R430:22K RCD-M38DAB
MCU PARTS
BUFFER
REM
O
T
E
_
IN
_
2
D N G A > - < D N G D N G > - < D N G D N G H C > - < D N G
for DEBUG
MCU 60pin
MCU 59pin
MCU 55pin
MCU 56pin
MCU 54pin
RESET
GND
P1
P2
P3
P4
P5
P6
P7
P8 VCC(3.3V)
LEVEL SHIFT
for E/S
NC NC
LD_CHK
S0
MCU_RESET
MCU_RESET
MCU_BOOT
2009.12.02 Sch Changed
UPDATE_LED
*When update the mcu program use this option
(DGND)
O
Op
tion
DC/DC CONVETER Part
BS VIN SW GND
FB
CO
M
P
EN
SS
DCDC Vin & Ven
Vin = 9.6V ; Ven = 4.2V
Vin = 7.7V ; Ven = 2.9V
RCD-M38 : TMPM33OFYFG(256K)
C2
1
7
0.01u
F
C2
0
9
0.1u
F
C5
1
3
0.1u
F
R2
0
5
OP
E
N
C2
1
5
470P C2
1
4
470P
C220 0.047u
C219 0.047u
R202
0
R204 0
R2
0
3
0
C2
1
1
0.033u
C2
1
2
5600P
C202 2200P
C201
0.1uF
R201
220
C224
0.1uF
R213
1M
C2
2
5
12P
C226 12P
C227
0.1uF
C228
100/6.3V
C229 0.1uF
C230 0.1uF
C231
0.1uF
C2
3
2
1000P
C2
3
3
0.1u
F
R2
2
5
15K
R2
2
1
3
3
R2
2
2
3
3
R2
2
3
3
3
R2
2
6
47K
R2
2
8
15K
R2
2
7
330K
C241
47P
C2
3
8
0.015u
C2
4
2
0.1u
F
C244 0.01uF
C203 0.01uF
C206
0.015u
C207
0.1uF
C208 OPEN
C205 0.1uF
C204 4700P
C2
1
3
0.1u
F
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25 51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100
IC41
TMP92FD28FG
C4
0
7
0.1u
F
C4
0
8
0.1u
F
C413
15P
C412
15P
C5
1
0
0.1u
F
C5
1
1
0.1u
F
1 2 3
GND OU
T
IN
IC52
KIC1117S15
1.5V
D1
0
4
1S
S
355T
C5
0
9
47/6.3V
R1
3
8
2
2
K
R1
3
7
22K
R2
1
0
3
3
R2
0
9
3
3
R2
0
8
3
3
R214
100
C401 0.1uF
R312 18K
R313
18K
R314 18K
C402 0.1uF
C4
1
4
0.1u
F
C411
0.1uF
R218 0
R217 0
R4
1
7
47K
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
WN11
C432 OP
EN
C431 OP
EN
R433 27
R434 27
R4
3
2
15K
R4
3
1
15K
R233
39
Q201
A1504S
L201
10uH
C2
5
1
0.1u
F
R231
91 D201 1SS355T
C4
3
3
0.1u
F
R420
47
C4
1
6
470P
R419
100K
C2
4
0
0.1u
F
12
3
4
5
CN
9
6
R135
2.
2K
D5
0
2
1S
S
355T
1 2 3
GND OU
T
IN
IC51
KIC1117S33
3.3V
D5
0
1
1S
S
355T
C5
0
7
0.1u
F
C5
0
6
0.1u
F
Q102
KRA102S
Q103
KRA102S
1 2 3 4 5 6 7 8 9
CN98
L4
0
1
CLZ9
Z0
1
4
Z
C234
22P
C235 22P
C236 22P
C2
2
3
22P
C2
2
2
22P
C2
2
1
22P
C5
0
2
0.1u
F
R1
5
2
3
3
R1
3
6
22K
1
2
3
4 567
8
IC12
M24C16WMN6TP
R108
3.3K
R106
3.3K
R1
0
7
33
R1
0
5
33
R1
3
9
22K
R156
330
R157
330
R158
330
R1
5
9
33
1
2
3
4
5
6
7
8
9
WN12
D1
0
1
1S
S
355T
1
2
3
4
5
CN
2
6
1
2
3456
CN
2
5
1 2 3 4 5 6
CN23
C1
7
4
100/16V
C1
7
3
0.1u
F
C3
0
2
0.1u
F
C133
0.1uF
C1
2
4
0.1u
F
C1
2
6
0.1u
F
C1
2
7
0.1u
F
C1
2
8
0.1u
F
C3
1
4
0.1u
F
C3
0
6
0.1u
F
C2
5
6
0.1u
F
C2
5
4
0.1u
F
C514 0.1uF
C515 0.1uF
R2
0
7
3
3
R220
33
R4
2
1
33
D401
HVDRB160L60TE25
R402 33
C4
0
9
1000P
C4
1
0
0.1u
F
C
237
0.1u
F
C5
3
0
0.1u
F
C5
2
1
0.1u
F
C5
2
2
0.1u
F
C5
2
3
0.1u
F
C5
2
4
0.1u
F
C5
2
5
0.1u
F
C5
2
6
0.1u
F
C5
2
7
0.1u
F
C5
2
8
0.1u
F
C5
2
9
0.1u
F
C1
3
4
0.1u
F
C1
6
1
0.1u
F
1 2 3 4 5 6 7
8 9 10 11 12 13 14
IC15
74VHC04MX
12
34
56
7
8
9
10
11
12
13
14
IC14
74HCU04AFNG
1 2 3 4 5
CN83
12
3
45
CN
7
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
17
16
18
19
WN
8
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
WN
2
4
X401
9MHz
X201
16.9344MH
z
C255
470/
16V C253
470/
16V
C252
100/6.3V
C2
4
3
47/6.3V
C2
1
6
1000u
F/6.3V
C2
1
0
1000u
F/6.3V
C3
0
8
470/16V
C5
1
2
47/6.3V
C5
0
3
100/6.3V
C403 10/16V
C406 10/16V
C1
2
5
100/6.3V
R2
1
2
100
R405
0
1 2 BN12
L501
CLZ9Z014Z
R5
1
2
0
R5
1
1
0
C5
3
1
0.1u
F
C5
3
2
0.1u
F
C5
0
8
100/6.3V C5
0
5
10/16V
C5
0
4
0.1u
F
R206 OPEN
C3
0
7
470/16V
C312
0.1uF
C313
0.1uF
R1
8
5
1
0
0
R1
8
4
1
0
0
1
2
3
4
5
6 7 8 9
10
11
12
13
14
15
16 17 18 19 20
IC42
APPLE CHIP supported IPHONE
1
2
3
4
5
6
7
8
9
10
11
12
13
14 15
16
17
18
19
20
21
22
23
24
25
26
27
28
IC31
IP4001CR
LTF
R309 47K
R310
470
R302
470
R304
4.7K
R3
0
6
4.7K
C3
0
9
0.1u
F
C3
1
0
100/6.3V
C3
1
1
0.1u
F
C3
0
5
OPEN
C3
0
4
0.1u
F
C301
OPEN
C303
OPEN
R452
47K
R411 47K
C4
2
1
0.1u
F
C4
2
2
0.1u
F
R4
5
1
OP
E
N
R4
5
3
0
R4
5
4
OP
E
N
F401
1812L
160C
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
12
3456
7
8
9
1
0
1
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80
IC16
TC94A92FG
R311
OPEN
R301
OPEN
R307
0
C438
0.1uF
R435
22K
R436
39K
R303
0
R3
0
5
0
R2
1
6
OP
E
N
R219
100K
R410 47K
R409 47K
R408 47K
R2
2
4
100K
R414 0
R422 0
C404 0.1uF
C405
0.1uF
C4
1
5
0.1u
F
1
2
3
4
5
6
7
8
9
10
11
WN21
R166
OPEN
R804
0/OPEN
R8
0
5
10K/0
R8
0
3
100K/OP
E
N
R802
10K/0
R8
0
1
100/OP
E
N
R232
1K
R1
5
1
3
3
C2
3
9
100/6.3V
C218 OPEN
R3
0
8
47K
C501
0.1uF
R162 15K
R163 15K
R164 4.7K
R165 4.7K
3
2
1 OUT IN
GND
IC17
TUNER +9V
KIA7809AF
C1
7
1
100/16V
C1
7
2
0.1u
F
C417 0.1uF
R4
2
5
0
R424 0
R2
2
9
15K
100
99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76
75
74
73
72
71
70
69
68
67
66
65
64
63
62
61
60
59
58
57
56
55
54
53
52
51
50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 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
IC11
RCD-M38DAB : T5CN5(512K)
R1
1
2
3
3
R1
1
1
3
3
R1
1
0
3
3
R1
0
9
33
C109
12P
C108
12P
R125
1M
X101
10MHz
R1
2
6
0
X102
32.768kHz
C111
18P
C112
22P
R1
4
0
0
R119 33
D107
HVDRB160L60TE25
R116
33
R117 33
R118
33
Q101
KRC102S
R122
0
R123
0
R1
3
1
OP
E
N
C1
2
3
OP
E
N
D103
RB160L60
D105
1SS355T
Q105
KRA102S
Q104
KRA102S
1
4 5
2
VDD
VSS DS
OUT
NC 3
IC13
CVIS80124CLMCJIJT2
C1
2
1
1u
F
C122
0.1uF
C101
0.1uF
C102
0.1uF
C104
0.1uF
C1
1
0
0.1u
F
D1
0
2
1S
S
355T
C131
220P
1 2 3 4 5 6
CN22
R134
100K
C1
0
6
0.1u
F
R1
3
2
3
3
R1
3
3
3
3
C1
0
7
1000u
F/6.3V
R1
1
4
0
R1
1
3
0
R1
5
3
33
R1
5
4
470
R1
8
1
0
R1
8
2
0
R1
8
3
0
C113 0.01uF
C114
0.1uF
C115 0.01uF
C1
0
5
0.1u
F
R1
5
5
2.2K
R1
2
7
10K
R1
2
8
R1
3
0
OP
E
N
R1
2
9
10K
R104
0
R103 0
R102 1K
R101 1K
R124 33K
R1
1
5
33
R1
6
1
1K
R1
6
0
1K
C116
0.1u
F
C4
2
0
0.1u
F
C1
1
7
100P
L1
0
1
CLZ9
Z0
1
4
Z
C5
3
4
0.1u
F
C5
3
3
0.1u
F
R5
1
3
0
R5
1
4
0
C4
1
8
0.01u
F
R4
2
8
22K
P6
P4
P5
P3
P2
8 7 6 5
4 3 2 1
RN
1
1
1
0
K
X
4
R7
1
3
10K
P7
P1
P8
1 2 3 4 5 6 7
8 9 10 11 12 13 14
IC18
74HCU04AFNG
R1
6
7
33
C1
3
5
0.1u
F
R2
3
4
15K
R2
3
5
15K
RFO
Q402
KRC102S
R4
2
3
OP
E
N
Q403
KRC102S
R4
2
6
OP
E
N
R1
2
1
100K
R2
3
6
47K
R2
3
7
47K
Q106
KRA102S
Q107
KRA102S
Q108
KR
A
1
02S
Q109
KRC102S
Q111
KRC102S
Q110
KRA102S
R238
39
R239
39
R240
39
FEI
R5
1
5
0
R5
1
6
0
C5
1
6
0.1uF
R2
4
2
0
R2
4
1
0
TEI
AGND
RFEQO
DGND
VC
C1
0
3
0.1u
F
R186
OPEN
D106
RB160L60 R141
1K
R211
10K
R1
4
2
47
R401 33
R403 33
R404 33
R189
OPEN/10K
R190
OPEN/10K
R1
9
1
10K
R429 0 R430 22K
R168
0
C136
0.
01uF
L301
220
R169
0
R170
0
R171
0
R172 OP
E
N
R173
0
C1
1
8
0.1uF
R187
OPEN
R1
8
8
0
R1
9
2
0
R193
0
C2
5
7
0.1uF
R4
0
6
0
R4
0
7
0
R2
4
3
0
R244 0
R245 0
R246
OP
EN
R247
OP
EN
R248
OP
EN
R249
OP
EN
1 2 3 4
5 6 7 8
IC7
1
S
I8005Q
TL
R7
0
6
56K
R7
0
5
68K
R7
0
4
62K
R7
0
1
51K
R7
0
8
1M
R7
0
7
5.1K
C7
0
2
0.1uF
C701
0.01uF/50V
C7
0
5
0.01uF
C7
0
6
OP
E
N
C7
0
4
220P
C7
0
8
150u
F/25V
C7
0
3
150u
F/10V
C710
0.1uF
C712
0.1uF
C709
0.01uF
C711
0.01uF
L7
0
2
47UH/3A
L701
22UH/3A
D7
0
1
SS3
4SR
C7
0
7
0.1uF
Q909
KRC102S
D935
1SS355T
R9
1
6
22K
D936
1SS355T
D948
OPEN
D947
OPEN
R413
0
R412
0
R2
5
0
0
L102
OPEN
L103
OPEN
Q1
1
2
HV
T
K
R
A
1
0
2
S
D1
0
8
1S
S355T
Q113
KRC102S
R145
10K
R146
10K
Q114
KRC102S
Q404
C102S
R4
2
7
22K
C713 0.
1uF
C714
0.
01uF
C715 0.
1uF
C716
0.
01uF
R717
0
R718
0
R719
0
R720
0
+1.5V
+VREF
+VREF
PIC
K
UP
HP_ON
D+3.3V
REMOTE
KEY1
VOL+
VOL-
ST+3.3V
CD_BUCK
CD_BUS3
CD_BUS2
VFD_DI
VFD_CLK
VFD_CE
VFD_RST
D+3.3V
GND
D+3.3V
USB+5V
+1.5V
HP_IN
PORTABLE_IN
TU
_L
TU
_R
TU
_L
TU
_R
ST+3.3V
ST+3.3V
+8V
SP_ON
A_PRT
+8V
F
C
B
A
D
E
TR+
TR-
FC+
FC-
PD
FCO
TRO
DSP_
RST
CD_
CCE
CD_
B
UCK
CD_
B
US3
CD_
B
US2
D+3.3V
CD_CCE
SW+5V
SW+5V
EX_INTERRUPT
USB+5V
CLSW OP
S
W
DM
O
MS
TBY
FC
O
D+3.3V
D+3.3V
FC
-
FC
+
LD
DM
O
C
A
D
B
F
E
PD
LD
CD_
S
PDIF
BCK1
AIN
LMSW
SLED+
SLED-
FMO
LRCK1
LRCK1
LRCK
BICK
SDTI
STREQ
STREQ
DREQ
PIO2
PIO2
AIN
BCK1
I2C_SCL
I2C_SDA
SPDIF
_
O
N
TU
_S
C
L
TU
_S
D
A
TU
NE
D
ST
_
IN
RDS_
CLK
RDS_
DA
+8VM
+8VM
D+3.3V
D+3.3V
+12V
+9V
+12V
DREQ
CP_RESET
I2C_SCL
I2C_SDA
F_V
_
C
E
F_V
_
C
LK
F_V
_
D
A
TA
TU
_S
D
A
TU
_S
C
L
VO
L-
VO
L+
CD_CCE
CD_BUCK
CD_BUS2
CD_BUS3
DSP_RST
MCU+3.3V
VFD_RST
VFD_CE
VFD_DI
VFD_CLK
RDS_
CLK
RDS_
DA
ST
_
IN
TU
NE
D
P_DOWN
ST+3.9V ST+3.9V
ST+3.9V
MCU+3.3V
SP_ON
SPDIF_ON
LMSW
CD_BUS2
CD_BUS3
CD_BUCK
CD_CCE
DSP_RST
CLM
OPM
CLSW
OPSW
REMOTE
LMSW
OPSW
CLSW
IP
O
D
_
T
X0
PO
WE
R
_
PR
O
T
LD_CHK
DAB_DI
DAB_DO
DAB
_
DI
DAB
_
DO
DAC_
RESET
DAC_
CE
DAC_
CLK
DAC_
CDT
I
CD_SPDIF
MC
U
_
BOOT
LRCK
SDTI
BICK
BOL_RST
B
O
L_
RST
EX_INTERRUPT
MCU+3.3V
USB_OC
KEY0
KE
Y
0
KE
Y
1
CLM OP
M
GND_DRV
GND_DRV
GND_DRV GND_DRV GND_DRV
CHGND
CHGND
CHGND
CHGND
CHGND
CHGND
PORT
ABL
E
_IN
AGND
AGND
AGND
AGND AGND AGND
AGND
AGND
AGND AGND
AGND
AGND
A+3.3V
A+3.3V A+3.3V
A+3.3V A+3.3V
AG
N
D
F_V_DATA
F_V_CLK
F_V_CE
MCU+3.3V
IP
O
D
_
T
X0
SW+5V
A_PRT
POWER_PROT
PWR
_
O
N
LD_CHK
ST+3.3V
MSTBY
HP_ON
DAC_
CE
DAC_
CLK
DAC_
CDT
I
DAC_
R
ESET
HP_
IN
IPO
D
_
T
X
IPOD_TX
IPO
D
_
R
X
IPO
D
_
R
X
USB_RX
USB
_
RX
USB
_
T
X
USB_TX
MC
U
_
BOOT
MCU+3.3V
D+3.3V
D+3.3V
MCU_BOOT
LED_RED
LED_GREEN
MCU+3.3V
LED_
RED
LE
D
_GR
E
E
N
USB_TX
USB_RX
MCU+3.3V
UP
_L
E
D
P
W
R
ON_
B
O
L
PWR_ON
MCU+3.3V
CHGND
GND_DRV
USB_OC
MCU_RESET
DSP_RST
TR-
TR+
TRO
P_
DOWN
F_MUTE
USB_TX
USB_RX
PWRON_BOL
F_M
UT
E
UP_LED
MCU_RESET
CP
_
R
E
S
E
T
D+3.3V
SW+5V
GND_DRV
GND_DRV
AGND
GND
D+3.3V
+9V.
USB+5V USB+5V
+9V. +9V.
CHGND CHGND
CHGND CHGND
SLED+
SLED-
SW
+5
V
USB_RX
USB_TX
FM
O
MCU+3.3V
MCU_BOOT
MCU+3.3V
MCU+3.3V
D+_DWN
D+_DWN
2 D N G H C 2 D N G H C
CHGND
SCHEMATIC DIAGRAMS (1/3)
d
10
9
8
6
7
E D C B A H G F
2
3
4
5
F G H
1
A B C D E
4
5
2
3
M N O I J K L
1
L K I
J
M N O
7
6
8
9
10