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CX-BK2
7-11. SCHEMATIC DIAGRAM – MAIN Board (1/4) – •
(1/4)
CN901
27P
M23
ELV_E3
M22
R901
47k
ELV_E2
M21
R902
47k
ELV_E1
M20
R903
47k
ELV_E0
M19
R904
47k
SLD_E3
M18
R905
47k
SLD_E2
M17
R906
47k
SLD_E1
M16
R907
47k
SLD_E0
M15
R908
47k
SW5-B
R909
47k
R910
100
M14
ELV_NEG
C958
R911
100
M13
ELV_POS
C959
R912
100
M12
SLD_NEG
C960
R913
100
M11
SLD_POS
C961
R914
100
M10
LOD_NEG
C962
R915
100
M9
LOD_POS
C963
M8
SW5-A
M7
R916
47k
(Page 35)
SW4
M6
R917
2.2k
SW2-B
M5
R918
47k
SW2-A
M3
R919
47k
SW1-A
M2
R921
47k
SW3
M1
R922
47k
D.SENSOR
MGND
C939
MGND
0.1
M+12V
M+12V
(Page 41)
D+5V
M-GND
D-GND
CN902
(Page 39)
23P
C945
D-OUT
0.1
D-GND
R923
100
C2
MILP
R924
100
C3
MICS
R925
100
C4
MP3REQ
R926
100
C5
MP3RST
R927
100
C6
MIDIO
R928
100
C7
MIACK
R929
100
C8
MICK
R930
100
C9
MP3STB
DGND
C10
PWM3
C11
PWM2
C12
(Page 33)
PWM1
R931
100
C13
XRST
R932
100
C14
DATA
R933
100
C15
XLT
R934
100
C16
CLOK
R935
100
C17
LDON
R936
100
C18
SQSO
R937
100
C19
SENS
R938
100
C20
SQCK
R939
100
C1
SCOR
R527
100
U1
I2C_CLK
R528
100
U2
I2C_DATA
R529
100
U3
USB_ACK
R530
100
U4
USB_INT
R531
100
U5
USB_VBUS_ON
(Page 40)
CN905
19P
K7
TREBLE
K6
BASS
K5
VOL
K4
JOG
K3
KEY3
K2
KEY2
K1
KEY1
INH
B6
CE
B5
CL
B4
DI
B3
(Page 53)
I-RMC
B2
LCK
B1
CLK
DATA
B7
STBY
VDD
GND
VM
•
See page 36 for Waveforms.
See page 58 for IC Block Diagram.
R920
10k
0.001
0.001
0.001
0.001
0.001
0.001
M1
R719
10k
I-D_
SENSOR
M3
R721
10k
I-SW1-A
M6
R722
10k
I-SW2-B
M8
R714
10k
I-SW5-A
M10
R724
1k
O-LOD_NEG
M12
R725
1k
O-SLD_NEG
M14
R726
1k
O-ELV_NEG
M16
R727
10k
I-SLD_E0
M18
R728
10k
I-SLD_E2
M20
R729
10k
C940
I-ELV_E0
1000
K7
R766 2.7k
16V
C912
1200p
I-RE_TRE
K6
R764 2.7k
C919
1200p
I-RE_BAS
K5
R762 2.7k
C918
1200p
I-RE_VOL
K4
R760 2.7k
C917
1200p
I-RE_JOG
K3
C916
0.0022
I-KEY3
K2
C915
0.0022
I-KEY2
K1
C913
1200p
I-KEY1
I-POWER_MONI
F8
I-LEVEL
R701
I-SUFIX
220k
F10
R702
C954
47k
0.0039
R945
C909
10k
1800p
R995
10k
R946
0
R952
100k
R953
100k
R996
C952
10k
100p
C924
C922
C923
0.22F
0.1
1
50V
Q901
DTA114EKA-
T146
R980
D902
4.7k
1SS355
Q901,906
B+ SWITCH
D904
1SS355
Q906
D911
R968
DTC144EKA-
1SS355TE-17
1k
T146
C901
100
10V
R969
27k
VOLTAGE DETECT
IC904
M62703ML
O
I
RESET SIGNAL
G
GENERATOR
IC902
BD4923G
C925
C932
0.1
0.1
C931
10
50V
C949
R950
C948
100p
0
100p
O-PWM2
O-MDATA
O-PWM3
O-MCLK
O-PWM1
O-PLLCE
O-SHIFT_STB
O-SHIFT_DATA
O-SHIFT_CLK
I-HEADPHONE
I-POWER_DOWN
SYSTEM CONTROLLER
O-POWER
IC901
O-MUTE
µPD703260YGF-S04
-JBT-A
O-MP3STB(I2C_CLK)
I-MIACK(I2C_DATA)
EVDD
EVSS
STBY
I-USB_VBUS_ON
I-USB_INT
I-USB_ACK
L901
0
R997
10k
R954
10k
R947
1k
C943
X902
C926
0.001
5MHz
0.001
C927
C944
R951
10
0.001
10k
50V
B3
D906
1SS355
R981
D905
470
1SS355
VIN
VOUT
+4V REGULATOR
IC905
MM1614A
C933
C934
C936
C935
D910
C914
C953
22
100
100
0.022
MA8100-M
0.1
0.022
25V
16V
16V
38
38
R961
4.7k
R955
R970
1k
0
R746
1k
F4
Q902
2SC3052F-T
P1
1-LF
BAND-PASS
R745
1k
F5
FILTER
P3
C928
R957
R958
22
0
39k
R744
1k
T6
50V
R747
1k
S1
R748
1k
S3
R749
1k
S2
F9
F6
R753
1k
F7
R750
1k
D3
R739
1k
D4
B7
R982
U5
C9
100k
C955
100p
U4
C7
C956
100p
C920
U3
1
C957
100p
R983
100k
C921
1
S3
S2
S1
R761
10k
R984
100
R960
F4
220k
MDATA
F5
MCLOCK
F6
POWER
C938
F7
R959
1
MUTE
1.5k
50V
LEVEL
R967
100
A-GND
F9
HEADPHONE
F10
O-POWER-MONITOR
T4
STEREO
T5
TUNED
T6
CE
T7
DO
S1
O-SHIFT_STB
(Page 40)
S2
O-SHIFT_CLK
S3
O-SHIFT_DATA
V-STBY
FR-VDD(3.3V)
FR-GND
+12V
CN999
7P
RESET
FLMDCO
SO
SCK
(FOR CHECK)
SI
VDD
GND
EVER3.3V
INH
O-SHIFT_SO
(Page 40)
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