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10.6 MAIN PCB ASSY (6/7)
A
6/7
MAIN PCB ASSY
(X-HM20: 92L36100201011)
A
(X-HM10: 92L36100101011)
don't populate
IC795
1
A0
VCC 7
2
A1
PCT
3
A2
SCL
4
GND
SDA
EEPROM
B
I2C Adrees:1010 A2 A1 A0 R/w
DIP3/2.0mm
1
E
2
3
SCN201
J5
C
AUDIO_CLK
ADC_DATA
DAC_LRCK
OTHER_3V3
DAC_BCLK
VMID
FORMAT
Z=I2S
IWL Word Leng
0 =16bit
D
1=20bit
Z=24bit
+3V3
STANDBY_KEY
+3V3
E
R31
100R
STANDBY_KEY
R11
100R
GPIO_SCL
R12
100R
GPIO_SDA
F
A
6/7
34
1
2
+3V3
R795
10K
8
6
GPIO_SCL_E
5
GPIO_SDA_E
0xA0
FB26
121
R155
10R
R142
10R
R154
2R2
R144
10R
D16
LL4148
FB11
121
U895
1
INTB
VCC1 7
GPIO_SCL_E
2
SCL
OSCI
3
GPIO_SDA_E
DAT
OSCO 5
4
GND
INTA
BL5372
2
3
ANALOG_CH_SEL
DVD_L_CH
TUNER/DAB_L
REAR_RCA_L
AUX_FRONT_L
MAX_R
KEY0_FRONT
KEY
U8
1
20
MCLK
M/S
2
19
DOUT
AINL
3
18
LRCLK
AINOPL
4
17
R149
DGND
COM
5
16
DVDD
AINR
6
15
BCLK
AINOPR
7
14
IWL
AGND
8
13
FSAMPEN
AVDD
9
12
FORMAT
VREFP
10
11
VMID
VREFGND
WM8781
LININ_GND
KEY0
to connect GND of FM/Line/headphone
Realtime clock chip
don't populate
D4
LL4148
8
Y3
32.768KHz
6
8P
C895
C898
X-HM20-K
3
4
S1 S0
channels
L
L
1
L
H
2
U2
H
L
3
H
H
4
1 ENA
2 IN1
3 S4A
C90 2.2uF
4 S3A
C89 2.2uF
5 S2A
C83 2.2uF
6 S1A
C96 2.2uF
7 DA
8 GND
PI5V331W
VMID
R150
3K3
R151
18K
R152
R153
18K
D795
A_+5V6
RADIO_GND
ADC_AGND
Rear panel board interface
REAR_RCA_L
+3V3
REAR_RCA_R
8P
4
VCC
16
C890
104P
ENB
15
IN0
14
S4B
13
S
3
B
1
2
C9
S2B
11
C9
S1B
10
C
DB
9
C9
C133 4.7uF
10K
C134
4.7uF
10K
A_+5V6
IN60
MM
Q11
C2
1
don't popula
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