JBL Horizon 2, Service Manual

Page: 19 / 35

NC
GP
I0
1
GP
I0
2/
IN
T
GP
I0
3/
DC
LK
DF
S
[2
,3
]
I2
S_
SD
T
NC
2
VC
C2
VC
C
D
I2S_MCLK
I2S_BCLK
I2S_LRCK
DSP_MCLK
TP
[2]
[2]
[2]
R211
R136
R135
C89
C88
C78
C90
NC
47
47
NC
47P
47P
10P
9
CLKO
8
BICK
7
LRCK
16
SDOUT1
15
SDOUT2
14
I2CSEL
3
LDOE
23
SI/EXTEEP
19
CSN/CAD/MATSEL
20
SI
SEL
SCLK
R133
R127
R125
R124
0
10K
47
47
[3] D1P
SI1
SEL1
SCLK1
AVDD_3V3 [2]
SPI1_MOSI [2]
SPI1_SEL [2]
3
1K
R216
Q16
S8550
1
Q17
2
100K
R217
10K
[2,3]
5V
[2]
UPGRADE
ANT1
1
ANT
2
G1
G2
3
C100
NC
C139 C130
C137 CE6
I2S_DATA
[2]
R137
47
R134
1K
SDOUT3
5
SDIN1
4
SDIN2 U11
AK7755
SCLK/SCL
18
SO/SDA
17
STO/RDY
6
SO
R130
47
R129
47
SO1
SPI1_SCLK [2]
SPI1_MISO [2]
10K
R34
3904
R218
C101
0
C102
NC
R115
47K
47K
R117
R116
[2]
LCH
R223
47K
102
C138
474
4
IN1
+
1
OUT1+
104 104
2200U/16
4PIN_2.5
FM_R
AUX_R
FM_L
[2]
[3]
[2]
[3]
C79
C80
C81
C84
4.7U
4.7U
4.7U
4.7U
31
LIN4/INP4
32
LIN3/INP3
33
LIN2/INP2
PDN
22
PDN
C142
104
R123
47
PDN1
DSP_PDN [2]
R220
NC
FB9
FB1K
C103
10UF
C104
104
[2]
AMP_SD
10K
R118
100K
Q9
3904
C66
22U
[2]
[2]
RCH
AMP_PDN
R224
C141
102
C140
474
7
ST_BY
9
S_GND
12
IN2
2
OUT1-
+
OUT2+
15
R206
2R2
C134
224
R205
2R2
C133
224
CN7
1
2
3
4
LOUT+
LOUT-
ROUT-
ROUT+
AUX_L
C73
C72
34
LIN1/INP1
35
LIN
24
AVDRV
OUT1
28
OUT2
26
OUT3
27
VCOM
1
FB8
FB220
FB7
FB220
C85
100P
100P
C77
R131
1K
R128
1K
[2]
LCH
[2]
RCH
[2]
AVDD_3V3
[3] 3.5V_BT
[2] BT3.3V
NC
C106
R219 0
NC
R148
VBAT_IN
C105
4.7U
10K
R149
4
VBAT_IN
5
VCHGER
6
DVDD33
7
RST
8
PWR
9
AIO
U13
JX270-01
GND3
36
GND2
35
GND1
34
GPIO1
33
GPIO2
32
GPIO3
31
R147
0
R145 NC
R146
0
[2]
[2]
BT_TX
[2]
BT3.3V
R121
47K
PVDD
[2,3]
47K
R120
47K
6
MUTE
8
PW_GND
U18
TDA7266
OUT2-
14
R208
2R2
C136
224
R207
2R2
C135
224
[2,3]
3.3V_DSP
R132
10
10uF
C83
10uF
105
C82
104
12
TVDD
13
DVSS1
25
DVSS2
37
DVSS3
AVDD2
21
AVDD1
29
AVDD0
36
AVSS
2
AVSS1
30
XTO
10
XTI
11
R139
2.2M
R138
2.2K
C92 C91
2.2R
R126
[2,3]
3.3V_DSP
VREG_EN
[2]
[2] I2S_LRCK
[2] I2S_BCLK
[2] I2S_DATA
2.2U
C33
R152
22
R154
22
R155
22
R156
NC
10
GND5
11
MBIAS
12
MICLP
13
MICLN
14
I2S_WS
15
I2S_BCLK
GPIO4
30
GPIO5
29
GPIO6
28
GPIO7
27
GPIO8
26
GPIO9
25
R143
NC
BT_RX
[2]
MUTE
10K
R122
R119
100K
Q10
3904
C67
22U
4148WS
D7
22P 22P
[2] I2S_MCLK
NC
SDA
NC
SCL
R158
R157
FB220
FB220
BT_DN
D2P_BT [3]
D2N_BT [3]
BT_DP
5V
[2,3]
R210
R97
47K
NC
R109
100K
R91
100K
C52
22U
2
S8550
Q7
R101
100K
[2]
AMP_PDN
Q8
[2] AMP_SD
[2] MUTE
[3] LAMP_PWM_EN
[2] DSP_PDN
[3] BACKLIGHT_PWM_EN
M1
M2
[2,3] 3.3V
33
R63
33
R62
33
R61
33
R60
33
R59
FB1K
FB6
2.2U
C60
104
C61
VDD_MCU [2]
33
R65
ENCODE_B [3]
PVDD
[2,3]
R209 10K
C149
103
R222
100K
R227
NC
3904
[2]
GPIO3
33
R64
33 R66
ENCODE_A [3]
CD_LCD
[3]
R33 NC
33
R67
MOSI_LCD [3]
[2,3]
3.3V_FM
R32 NC
ZD1
NC
R229
0R DCIN_DET
[2,3]
NC R69
NC
R57
33
33 R68
R113
SCK_LCD [3]
CS_LCD [3]
D1
B5817
100K
100P 100P
G C41 C38
[2]
3.3V
[2] SPI1_SCLK
[2] SPI1_MOSI
33 R58
33 R71
1
PA0
2
PA1
PD3
48
PD2
47
33
R72
33
R75
RST_LCD [3]
AUX_DET [3]
[2]
VDD_MCU
B5817
U6
D2
LPM3401
S D
R226
100R
D4 R6
4148WS
D3
[2,3]
3.3V
D6 C42
1
NC
DOUT
15
NC
NC
R43
R42
[2] SPI1_MISO
[2] SPI1_SEL
33 R70
33 R73
3
PA2
4
PA3
PD1
46
PB1
45
NC R102
0
R74
BUCK_EN [3]
BT_TX [2]
CE1
B5817
LPM3401
U1 R5
ESD 5.6P
C43 C36
R48
NC R76
33
G 10K
[2]
FMANT
5.6P 2.7P
2
FMI U7 LOUT
14
C143
2.2U
1K
[2]
FM_L
[2,3]
[2] I2C0_SCL
NC
R85
R77
5
PA4 U10 PB0
44
0
R79
BT_RX [2]
220U/10 mini
R225
BUZZ_EN
[3] 82NH 102 3.3V [2]
33
R81
6
MXTX52352
43 10K
D16
D17
4148WS 4148WS
FB3
RF
C44
3
RFGND
SI4705
ROUT
13
C144
2.2U
R44
1K
[2]
FM_R
DCIN_DET [2]
[2]
I2C0_SDA
220K
47K
33
R112
R111
R78
PA5
7
PA6
8
VSS_2
VDD_2
42
41
3
2
CN6
VDD_MCU
VDD_MCU
[2]
R7
1.5M
R3
R1
NC
NC
NC
[2]
ANT
4
LPI
R52
GND PAD
GND
12
FB1K
[2,3]
[2]
VDD_MCU
BAT_DET
104
PA7
9
VDD_4
PA15
PA14
40
1
CON-3P
[2]
BAT_DET
R2
C1
U2
G
NC NC
R4
RST_FM
1K
R46
10K
C45
5
RST
VA
11
FB4
3.3V_FM
2.2U
C50 C53
R98
22K1% 1K1%
10
R99
11
VSS_4 SWDIO/PA13
39
38
SWDIO
10
10 R90
[3]
R83
[3]
D1N_MCU
R8
1.5M
C2
0
104
3.3V_FM
[2,3]
104
104
C47
10U
C46
[3]
AD3
[3] AD2
R82
22K1%
1K1%
R87
12
PC4
PC5
SWCLK/PA12
PA11
37
SWCLK
33 R103
D1P_MCU
VREG_EN [2]
1
B1
+ FMQ
2
BUZZ
[2,3] 3.3V 1K1%
R88 R92
33
-
R47 10K [3] AD1
R86 22K1%
13
PC8 PA10
36
4.7K R84
CHG_OUT2_2A [3]
R50
R49
4.7K
4.7K
FB1K
FB5
[2,3]
3.3V_FM
[3] GRES
3.98V(Max)
R93
39K1%
3.10V(Max)---0V(Min)
R228
14
PC9
15
USBDM/PC6
PA9/BOOT
35
PA8
34
NC R89
33
R94
VDD_MCU [2]
STATUS1 [3]
[2] I2C0_SCL
[2] I2C0_SDA
R45
R51
100
100
104
C40
NC
C111
100K1%
16
USBDP/PC7 PC13
33
33
R95
STATUS2
FO_TEST
33
R108
C39
22P
22P
C37
R41
NC
X1
32.768KHz
[2]
GPIO3
[2]
VDD_MCU
[2]
VDD_MCU
[2,3]
3.3V
104
2.2U
100K
R110
C58
C59
GND
NRST
C62
104
C51
104
1K
R96
NC R214
NC R215
33
R106
33
R105
X32KIN
[2]
X32KOUT
[2]
CHG_OUT1_2A [3]
UPGRADE [2]
3.3V [2,3]
FM_EN [3]
RST_FM [2]
X2
32.768KHz
R114
NC
2P--6P
C64
C65
15P
C63
20P
6
SE
N
20
7
SC
LK
19
8
SD
IO
18
9
RC
LK
17
10
VD
16
C7
4
10
4
C7
5
10
4
C7
6
10
4
X3
12
.2
88
M
Hz
C8
7
10
4
3
1
C8
6
2.
2U
4
2
PV
DD
C7
1
10
U
C5
5
2.
2U
C5
4
10
4
R3
5
R8
0
R2
12
R2
13
NC NC NC NC
2.
2U C4
8
10
4
C4
9
1
3
2
17
CL
DO
VS
SA
64
18
VD
D_
1
VD
DA
63
19
VS
S_
1
PB
8
62
20
16
3
NR
ST
PB
7
GN
D4
GP
IO
A
61
21
2
17
VB
AT
PB
6
I2
S_
M
CL
K
60
[2
]
X3
2K
IN [2
]
X3
2K
OU
T
22
18
1
X3
2K
IN
/P
B1
0
PC
3
I2
C_
SD
A
GP
IO
B
59
23
R1
04
19
X3
2K
O
UT
/P
B1
1
PC
2
PC
1
I2
C_
SC
L
58
10
K
R1
00 33
24
20
[2
,3
]3
.3
V
RT
CO
UT
/P
B1
2
PC
1
GP
IO
14
57
25
21
[2
]B
UZ
Z_
EN
PD
0
VS
S_
3
GP
IO
13
56
26
22
XT
AL
IN
/P
B1
3
VD
D_
3
GP
IO
12
GN
D7
55
39
27
23
XT
AL
O
UT
/P
B1
4
PC
15
GP
IO
11
RF
54
38
28
24
PB
15
PC
14
GP
IO
10
GN
D6
53
37
29
PC
0
PB
5
52
30
PC
10
PB
4
51
31
PC
11
PB
3
50
32
PC
12
PB
2
49
10
4
C5
7
2.
2U
C5
6
[2
,3
]
PV
DD
[2
,3
]
3.
3V
5
G
NC
1
10
11
NC
[3
]
BA
T+
3
[2
,3
]
PV
DD
13
3
1
S
D
S
[3]
Circuit diagram---Main board