Table of Contents
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HCD-DX400
4-3.
SCHEMATIC DIAGRAM - MAIN Board (1/2) -
1
2
MAIN BOARD
(1/2)
A
CN4
FB78
600
MIC_C#
MIC/AUX_R
8
FB79
600
MIC/MP3_L
GND
7
FB80
600
MIC/MP3_R
MIC/AUX_L
6
MIN_C
5
HP_R_out
4
L15
10uH
HP_L_out
GND
3
FB82
600
HP_C
HP_L_out
2
L16
10uH
HP_R_out
HP_C
1
B
GND
R128
CN5
NC
GND
PORT_SEL
1
FB42
100
TU_IIC_SCL
TU_SCL
2
TU_SDA
FB43
100
TU_IIC_SDA
3
FB44
100
TU_TUNED
TUNED
4
FB25
600
TUN_L#
R212
470R
TUN_L
TUN_L
5
FB45
100
TU_ST
STIND
6
FB26
600
TUN_R#
R213
470R
TUN_R
TUN_R
7
+9VTU
8
+9VTU
GND
9
FB46
100
RDS_INT
RDS_SCL
10
FB47
100
RDS_DATA
RDS_SDA
11
C
GND
GND
AM_PWM
AM_PWM
STB_ON/OFF#
STB_ON/OFF#
D4
1N4148 NC
MTKC_ON/OFF
STB_ON/OFF#
JW21
+B5V#
FB64
600
D5
1N4148 NC STB_LED
+B5V#
JW
+B5V
-24V
-24V
JW22
JW
MO_5V
+5V
+B5V
+VDD
FB27
FB51
R237
+5V#
+5V#
JW
600
100
1R
JW22A
+12V
+P12V
JW23
IC12
C67
+12V
JW
104
UR6225L-33
GND
GND
C127
D
GND
100uF/16V
JW24A
JW
+P18.5V
FB72
100
+P18.5V
JW
+18.5V
JW24
C57
104
GND
GND
AVCC1
AVCC
FB110
E
600
C64
C232
104
100uF/16V
AVCC1
GND
R53
2SK3018(KN)
R134
10K
Q7
100K
R129
MMS8050L(Y1)
VR_DVD
2
3
100R
VR_CD
R130
2
3
100R
GND
R135
AVCC1
Q8
CN8
2SK3018(KN)
100K
26
26
25
25
24
GND-LD
L7
Q10
23
LD-DVD
F
DVD-LD
2SB1132(BAR)
22
10uH
NC
21
HFM
20
MDI1
MD
L8
19
LD-CD
C261
CD-LD
18
VR_DVD
10uH
R189
4.7R
100uF/16V
VR-DVD
17
VR_CD
VR-CD
RFV33
16
R190
4.7R
NC
15
E
C260
E
14
100uF/16V
Vcc
13
Vc(Vref)
V20
12
GND-PD
Q11
11
F
F
10
B
2SB1132(BAR)
B/b
9
A
A/a
8
RFO
RF
7
GPO_B
CD/DVD SW
6
D
D/d
5
C
C/c
4
T-
T-
3
T+
T+
2
F+
F+
1
F-
F-
GND
G
D14
1
3
RFV33
2
R132
BAT54C
0R
R75
R78
C83
C81
104
10K
10K
104
GND
RFV33
GND
R131
0R
R79
R188
10K
CN9
1R
FB52
600
SP-
SP-
6
FB53
600
SP+
SP+
5
FB54
600
LIMIT#
R192
LIMIT
LIMIT
4
FB55
600
GND
3
100R
FB56
600
SL+
SL+
2
FB57
600
SL-
SL-
1
H
GND
RFV33
R76
R77
10K
C82
10K
CN10
104
FB58
600
LOAD-
LOAD-
5
FB59
600
LOAD+
LOAD+
4
FB60
600
GND
3
FB61
600
TROUT
2
FB62
600
TRIN
1
GND
I
C338
C339
C340
104
0R
104
GND
HCD-DX400
• See page 18 for IC Pin Function Description.
3
4
5
+HP5V
IC13
APA3541
C309
Q105
105
4.7uF
2N7002K/STK7002B
C297
3
R229
1.8K
HP_R
R236
C305
471
-
HP_R_out
2
3
1
R230
1.8K
HP_L
D
S
4.7R
220uF/16V
R248
0R NC
6
C310
+
R247
4.7uF
0R NC
R235
C306
HP_L_out
2
3
7
D
S
5
4.7R
220uF/16V
C313
-
Q106
471
2N7002K/STK7002B
+HP5V
R240
R234
GND
47K
100K
R142
C308
+HP5V
R243
10uF/16V
C312
C311
47K
104
47K
Q24
R233
GND
10uF/16V
GND
P_MUTE
MMS8050L(Y1)
4.7K
GND
GND
Notes 1:
Notes 3:
Rear board MP3 IN circuit
Front board MP3 IN circuit
MIC/MP3_L
MIC/MP3_L
R208
820R
MIC/MP3_L
MIC/MP3_R
R209
820R
J6
5
4
2
FB85
600
3
FB86
600
6
7
1
AUX_L#
R223
820R
AUX_R#
R224
820R
GND
Notes 2:
R152
Karaoke circuit
C148
56pF
300K
R146
R149
IC10B
C208
C241
2K
1K
R170
C73
R225
RC4558
MIC_IN
6
100R
105
7
AKIN1
1.5K
225
105
R48
C251
5
C242
10K
222
C285
VREF2
105
R171
332
R116
10K
GND
+9VOP
100K
GND
+9VOP
C68
Q14
225
R161
D8
R47
MMS8050L(Y1)
R151
100R
1N4148
Q20
C240
C145
101
47K
18K
MMS8050L(Y1)
10uF/16V
R164
R148
IC10A
R145
4.7K
100K
2
RC4558
D18
R49
C103
R219
1N4148
10K
1
104
47K
4.7K
R218
C239
GND
3
C69
100K
222
GND
10uF/16V
VREF2
R114
GND
GND
100K
APLLVDD3
Q22
AADVDD
AVCM
GND
8550SL(2TY)
RFV33
C245
LDO2
V18
152
R220
10K
R221
10K
R222
33K
LDO1
Q23
8550SL(2TY)
D19
C294
129
1N4148
GND
100uF/16V
GND
V1P4
GND
DMSO
C264
153
FMSO
C85
104
C
1
RFA
TRSO
C228
331
B
2
Q9
RFB
FOSO
C227
331
A
3
RFC
D
4
RFD
F
5
RFE
XI
E
6
RFF
R54
7
V18
AVDD18
10K
R136
100K
8
RFVDD3
AVDD33
XI
9
XTALI
GPO_B
XO
XO
10
XTALO
IC2
11
C234
X1
C235
AGND
27PF
27MHz
27PF
12
CXD9971R(LE) LQFP SONY / (MT1389L/K) MTK
FB28
V20
V20
GND
R143
13
V1P4
V14
MDI1
15K
14
47
MT1389L/K
REXT
GND
15
MDI1
LQFP 128
MDI1
16
MDI2
LDO1
17
Desktop
LDO1
LDO2
LDO2
18
LDO2
V1.0
19
AVDD33
AVDD33
DMSO
R83
10K
DMO
20
Power dissipation 1.5W
DMO
FMSO
R144
15K
FMO
21
FMO
STBY
22
TRAY_OPEN
GPO_B
23
TRAY_CLOSE
TRSO
R196
27K
TRO
TRO
24
TRO
FOSO
R195
27K
FOO
FOO
25
FOO
LDO1
TRIN
26
FG / GPIO2
USB_DP
27
USB_DP
USB_DM
28
USB_DM
29
89L_3V3
USB_V33
30
USB_GND
31
R133
PAD_VRT
GPO_B
USB_V18
32
V18
USB_V18
0R
R150
C194
5.1K
C265
C87
10uF/16V
NC
104
89L_3V3
GND
89L_3V3
R81
R194
10K
10K NC
IC4
R84
SF_CS
1
8
10K
CE#
VDD
SF_DO
2
7
SO
HOLD#
3
6
SF_CK
WP#
SCK
4
5
SF_DI
VSS
SI
R82
KH25L1605D / EN25F16
C86
10K
104
89L_3V3
GND
GND
MO_5V
MO_VCC
FB81
600
C117
T-
15
14
F+
C263
104
220uF/16V
VOTK+
VOFC+
T+
16
13
F-
VOTK-
VOFC-
SL-
17
12
SP-
VOLD+
VOSL+
SL+
18
11
SP+
+5V
GND
VOLD-
VOSL-
FB83
R158
19
10
LOAD+
MO_VCC
VCC2
TRAY+
AVCC
0R
20
9
LOAD-
600
CPIP
TRAY-
C118
M_PWM
21
8
IC5
104
VCTL
VCC
MO_VCC
R159
C233
AM5888S/A5888S
R193
33K
103
30
29
100R
GND
22
7
TROPEN
GPO_B
GND
PREGND
REV
FMSO
23
6
TRCLOSE
IN3
FWD
OUT18
24
5
CPO
3V3
FB33
25
4
DMSO
DL2
IN2
FB87
L25
TRSO
26
3
R85
10K
IN4
FB2
FB18
+HP5V
27
2
V1P4
BIAS
DL1
OUT33
600
10uH
C302
TROUT
STBY
28
1
FOSO
C307
STBY
IN1
104
TRIN
220uF/16V
C84
R80
104
GND
10K
FB48
+5VA
GND
600
C61
GND
C322
C124
220uF/16V
104
100uF/16V
GND
C341
C342
C343
C344
C347
C348
C97
C108
C105
C272
C111
104
103
104
104
104
104
104
104
104
104
104
GND_A
6
7
DVD_L
C214
474
4
27
L_OUT#
L_IN1
LOUT
C200
MP3_L
C215
474
5
DVD Ri: 22K OHM
26
R_OUT#
L_OUT#
L_IN2
ROUT
TUN_L
C216
474
6
L_IN3
4.7uF
VCR_L
C334
474 NC
7
TUNER Ri: 26K OHM
15
C301
104
L_IN4
IC7
BOUT(L)
DVD_R
C217
474
3
14
C50
104
5.6K
R_IN1
BIN(L)
R118
MP3_R
C218
474
2
STA2314
13
C51
104
R_IN2
BOUT(R)
R119
5.6K
TUN_R
C223
474
1
12
C72
104
R_IN3
BIN(R)
C205
VCR_R
C335
474 NC
28
23
C193
100uF/16V
R_OUT#
R_IN4
CREF
MP3_L
18
C252
562
GND
TREBLE(L)
10uF/16V
MP3_R
MUX_L
8
19
C253
562
MUXOUT(L)
TREBLE(R)
C246
225
9
IN(L)
MUX_R
10
17
GND
MUXOUT(R)
N.C.
C247
225
11
16
IN(R)
N.C.
24
Vs
+9VL
C201
IIC_SCL
R106
33R
21
R_OUT#
SCL
C248
IIC_SDA
R107
33R
22
225
C129
SDA
4.7uF
20
25
100uF/16V
DIG-GND
AGND
C149
C150
GND
GND
20pF
20pF
C206
L_OUT#
GND
10uF/16V
VCR_L
FB100
600 NC
VCR_R
FB101
600 NC
R96
DVD_L
AL
Notes 4:
MUX_L
FB102
600 NC
4.7K
C283
C143
MUX_R
FB103
600 NC
"Notes 1" represent "Rear board MP3 IN circuit"
4.7uF
R88
101
"Notes 2" represent "Karaoke circuit"
47K
FB104
600 NC
"Notes 3" represent "Front board MP3 IN circuit"
+P12V
GND
" V " represent "The circuit reservation"
" X " represent "The circuit NC"
R100
AR
DVD_R
C284
4.7K
C144
4.7uF
R92
101
GND
47K
No.
Versions
Notes 1
Notes 2
Notes 3
GND
Europe
1
X
X
V
( CEL )
+VDD
Russia
2
V
V
X
( RU1 )
Singapore
3
V
V
X
( SP1 )
RST
1
Australia
RST
4
V
V
X
( AU1 )
PD6/LINUART_RX
PD5/LINUART_TX
XTAL2
2
Taiwan
PA1/OSCIN
PD4/TIM2_CC1/BEEP
5
V
V
X
XTAL1
3
( TW2 )
PA2/OSCOUT
PD3/TIM3_CC2
R179
100K
PD2/TIM3_CC1
AUDIO_C
8
Korea
X2
PF4/AIN12
6
V
V
X
IC6
PD0/TIM3_CC2
( KR2 )
RDS_DATA
11
16MHz
PB5/AIN5
RDS_INT
12
Thailand
PB4/AIN4
STM8S105K4T6
PC7/SPI_MISO
C236
C237
7
V
V
X
TU_IIC_SCL
13
( TH1 )
PB3/AIN3
PC6/SPI_MOSI
22PF
22PF
TU_IIC_SDA
14
PB2/AIN2
PC5/SPI_SCK
IIC_SCL
15
Saudib Arabia
PB1/AIN1
PC4/TIM1_CC4
8
V
V
X
GND
IIC_SDA
16
PB0/AIN0
PC3/TIM1_CC3
( EA3 )
PC2/TIM1_CC2
MTK_RST
17
Mexico
PE5/SPI_NSS
PC1/TIM1_CC1
9
X
X
V
( MX2 )
R101
33R
DIAG
Chile&Peru
10
X
X
V
( E51 )
AUDIO_C
R242
R226
0R
C258
SWIM
GND
1K
474
MCU_RST
R173
10K
MIC_C#
R207
R172
10K
47K
GND
DACVDD3
ADVCM
FS
89L_3V3
R167
560R
R206
R93
CN101
10K
4.7R NC
1
89L_3V3
GPIO10_TXD
2
GPIO9_RXD
GND
GPIO9_RXD
3
GPIO10_TXD
4
GND
VREF
C183
C274
4Pin 2.0mm NC
C71
104
20pF NC
20pF NC
GND
96
GND
VREF
95
DACVDDC
DACVDD3
94
VFD_STB
GPIO13
93
USB_EN
SPDIF / GPIO12
92
GPIO11_RXD
GPIO11
R102
91
GPIO10_TXD
33R NC
GPIO10
90
DVDD18
V18
89
GPIO9_RXD
GPIO9
R94
AS81F641642C-6P /
88
USB_OC
GPIO8
A641604L-6T /
87
R169
10K NC
GPIO7 / CKE
33R NC
IC3
IC42S16400-6TI
86
MA3
RA3
85
MA2
GND
RA2
84
MA0
23
DVDD33
89L_3V3
2
1
A0
DQ0
83
MA1
MA1
RP1
24
RA1
4
3
A1
DQ1
82
MA0
MA2
33R
25
RA0
6
5
A2
DQ2
81
MA10
MA3
26
RA10
8
7
A3
DQ3
80
BA1
MA4
6
5
RP2C 33R
29
BA1
A4
DQ4
79
MA5
4
3
30
RP2B 33R
DVSS18
GND
A5
DQ5
78
BA0
MA6
2
1
31
RP2A 33R
BA0
A6
DQ6
77
RAS#
MA7
8
7
RP3D 33R
32
RAS#
A7
DQ7
76
CAS#
MA8
6
5
RP3C 33R
33
CAS#
A8
DQ8
75
WE#
MA9
4
3
RP3B 33R
34
RWE#
A9
DQ9
74
MA4
MA10
8
7
RP8D 33R
22
RA4
A10/AP
DQ10
73
MA5
MA11
2
1
35
RP3A 33R
RA5
A11
DQ11
72
MA6
BA0
4
3
RP8B 33R
20
RA6
BA0/A13
DQ12
71
MA7
BA1
6
5
RP8C 33R
21
RA7
BA1/A12
DQ13
70
MA8
RA8
DQ14
69
MA9
DCLK#
38
RA9
CLK
DQ15
68
R52
0R
SDCKE
37
DVDD33
89L_3V3
SD33
CKE
67
MA11
RA11
66
DCLK
GND
R86
10K
DCS
19
RCLK
CS
VCC
65
DQM1
RAS#
2
1
RP8A 33R
18
DQM1
RAS
VCC
CAS#
R42
33R
17
CAS
VCC
WE#
8
7
RP2D 33R
16
WE
VCCQ
DQM0
R44
33R
15
DQML
VCCQ
DQM1
R45
33R
39
DQMH
VCCQ
VCCQ
36
NC
DCLK#
40
NC
VSSQ
R38
FB63
VSSQ
DCLK
54
VSS
VSSQ
47
41
33R
VSS
VSSQ
C268
C269
28
VSS
10PF
10PF NC
GND
GND
V18
GND
Q12
8550SS-D /1W
V18
V20
V1P4
ADVCM
D15
E
C
C321
1N4007
C91
C243
C93
C244
R199
C257
C90
C106
C109
C199
104
104
105
104
105
C196
4.3K/1%
220uF/16V
104
104
104
104
FB18
D16
R197
R200
GND
GND
GND
GND
1N4007
10R
10K/1%
OUT18
GND
D31
1N4007
Q13
8550SS-D /1W
RFV33
89L_3V3
89L_3V3
D17
FB106
FB109
600
600
1N4007
R201
C256
C89
C326
C123
C195
C92
C95
C98
11K/1%
1000uF/6.3V
104
104
104
104
104
C262
FB33
C88
100uF/16V
10uF/16V
10uF/16V
C224
104
R198
R202
GND
GND
10uF/16V
L21
10R
6.8K/1%
AADVDD
FB107
GND
10uH
OUT33
GND
C266
C112
C270
600
682
104
220uF/16V
C267
10uF/16V
GND
GND
FB108
600
C110
C113
C318
C319
C320
C324
C337
C197
C346
C317
C325
104
4.7uF
4.7uF
4.7uF
103
103
104
10uF/16V
0R
103
104
GND
GND
GND
14
14
8
9
10
R156
33K
C146
101
IC9B
R153
RC4558
R98
4.7K
6
7
HP_L
SVR
10K
C203
5
29
C213
SVR
102
R112
VREF1
4.7uF
100K
R97
+9VOP
1.5K
C220
R_OUT
22
INPA
23
474
INNA
C279
R155
33K
R89
101
C147
101
32
INPB
4.7K
33
C221
INNB
IC8
IC9A
GND_A
R154
474
RC4558
R99
4.7K
2
TDA7492
10K
1
HP_R
GND_A
C204
3
27
R115
C222
SGND
102
VREF1
4.7uF
C76
VDDS
GND_A
100K
104
R103
GND
26
VDDS
1.5K
L_OUT
R50
0R
30
GAIN0
R51
0R
31
GAIN1
C280
R138
100K
D9
R127
R95
101
28
1N4148
4.7K
DIAG
CN11
1K
R125
22R
19
+5V
VDDPW
GND_A
DIAG
1
C77
C255
2
+P18.5V
R177
104
220uF/16V
R176
18
3
PGND
R162
RFV33
22K
4
33K
SUB_GND
10K NC
GND
R180
33K
20
5
STBY
R178
1K
21
6
MUTE
R163
7
Q18
10K NC
25
8
SYNCLK
8550SL(2TY)
R74
D20
24
R175
ROSC
8Pin 2.0mm NC
GND
1K
1N4148
4.7K
P_MUTE
Q17
MMS8050L(Y1)
R166
D21
47K
1N4148
HP_C
GND_A
GND_A
AMP_PWM
R139
4.7K NC
AM_PWM
R157
4.7K
Q25
D11
P_MUTE
MMS8050L(Y1)
GND_A
1N4148
89L_3V3
VFD_SCK
R55
10K
VFD_STB
R56
10K
VFD_SDA
R57
10K
32
MUTE
MUTE
R58
10K NC
PD7/TLI
31
UART_2_RX
RDS_DATA
R59
10K
30
UART_2_TX
RDS_INT
R60
10K
29
Encoder+
TU_IIC_SCL
R61
10K
28
Encoder-
TU_IIC_SDA
R62
10K
27
IR_MCU
IIC_SCL
R63
10K
26
SWIM
IIC_SDA
R64
10K
PD1/SWIM
25
TU_ST
MTK_RST
R65
10K
GPIO11_RXD
R66
10K
24
STB_LED
GPIO3_TXD
R67
10K
23
STB_ON/OFF
Encoder+
R68
10K
22
STB_KEY
Encoder-
R69
10K
21
R137
10K
HP_C
TU_ST
R70
10K
20
TU_TUNED
TU_TUNED
R71
10K
19
AM_PWM
HP_C
R72
1K
18
FL_Driver
STB_ON/OFF
R244
10K
MIC_C#
R73
10K
+5V
4.7K
R147
+VDD
STB_KEY
+VDD
+VDD
CN103
R110
D30
10K
1N4148 NC
4
+VCC_MCU
SWIM
MMS8050L(Y1)
3
SWIM
Q16
GND
R174
2
RST
RST
10K
1
L17
RST
V_R
C254
R165
C74
4mm*2Pin NC
474
1.8uH
474
47K
C182
GND
C151
Q15
20pF
R182
101
75/1%
MMS8050L(Y1)
GND
GND
+VDD
CN102
GND
1
+VCC_MCU
GPIO3_TXD
R36
33R
UART_2_RX
UART_2_RX
2
UART_RX
L18
GPIO11_RXD
R37
33R
UART_2_TX
UART_2_TX
V_B
UART_TX
3
1.8uH
4
GND
STB_ON/OFF#
R245
4.7R
STB_ON/OFF
C184
C190
R183
C152
GND
33pF
33pF
4mm*2Pin NC
75/1%
101
GND
IC100
AZ809NSTR-E1
89L_3V3
L19
MTK_RST
2
3
V_G
RES
VCC
1.8uH
C219
R184
C171
474
75/1%
101
TO MTK UPDATA
GND
GND
L20
CVBS_OUT
1.8uH
R185
C172
75/1%
101
GND
+VDD
R111
10K
STB_LED
IR_MCU
R35
10R
FB36
100 NC
IR_MTK
R87
FB84
100
IR
10R NC
FB34
100
+ND9V
2
DQ0
FL_Driver
FB29
100
1
2
4
RP4
DQ1
FB30
100
3
4
+5V
5
33R
DQ2
FB31
100
5
6
-24V
7
DQ3
7
8
8
DQ4
1
2
10
RP5
DQ5
3
4
11
33R
DQ6
VFD_SDA
FB32
100
5
6
13
DQ7
VFD_SCK
FB33
100
7
8
42
DQ8
VFD_STB
FB35
100
7
8
44
DQ9
FB37
100
5
6
+VDD
45
RP7 33R
DQ10
STB_KEY
FB38
100
3
4
47
DQ11
Encoder+
FB39
100
1
2
48
DQ12
Encoder-
FB40
100
7
8
50
RP6
DQ13
5
6
51
33R
DQ14
3
4
53
DQ15
1
2
1
IC15
BD2220G NC
+U5V
SD33
14
1
5
+5V
VIN
VOUT
27
USB_EN
3
EN
3
USB_OC
4
2
/OC
GND
9
43
GND
49
PTC 0.75A
6
Q21
12
LP1
A034P03 / K03403
46
52
1
2
S
D
+5V
1
2
R205
R204
GND
USB_DM
22K NC
100K
LP-MSM075
R203
USB_DP
10K
R90
L26
+P12V
47K
R91
Q19
MMS8050L(Y1)
COMMON CHOKE 90 OHM
10K
GND
+9VOP
FB67
AVCM
APLLVDD3
Q5
600
R39
C323
+P12V
2SC945P /1W
C273
600 FB
FB49
104
104
C101
C116
C191
+9VL
C271
104
104
100uF/16V
600
R141
GND
10uF/16V
680R
FB50
GND
10uF/16V
+9VTU
GND
4.7R
C65
C126
104
220uF/16V
D7
C62
104
10V
GND
C181
GND
100uF/16V
+ND9V
SD33
L10
C66
C125
104
10uH
100uF/16V
C94
C96
C99
C102
C104
C107
104
104
104
104
104
104
GND
GND
AVDD33
C207
104
R191
4.7R
APLLVDD3
FB111
Note: The mount parts on each boards installed in this set cannot exchange with single.
RFVDD3
DACVDD3
600
C115
C198
C114
104
10uF/16V
104
When the each mount parts are damaged, exchange the entire mounted board.
GND
Printed wiring board and schematic diagram have been described to this service
manual is for the reference.
11
12
L3
16
R+
OUTPA
17
22uH/2.55A
OUTPA
C54
R124
104
C230
TOROID COIL 22uH
J4
22R
224
L23
FR+
1
L4
R+
C225
C55
10
GND_A
OUTNA
331
22uH/2.55A
104
11
R-
FR-
2
OUTNA
R-
3
L+
FL+
3
L+
OUTPB
2
OUTPB
R126
L5
C79
FL-
4
22R
22uH/2.55A
104
L-
C231
224
L24
C226
C80
9
GND_A
331
104
OUTNB
L6
8
L-
OUTNB
SPEAKER: 2 x 25W (6 OHM)
22uH/2.55A
TOROID COIL 22uH
12
PVCCA
13
PVCCA
7
+18.5V
PVCCB
6
GND_A
PVCCB
C210
C212
14
C259
PGNDA
105
105
15
1000uF/35V
PGNDA
5
PGNDB
4
GND_A
PGNDB
1
C78
104
35
SVCC
36
VSS
R187
R216
R217
R238
34
220K
220K
220K
220K
VREF
C211
105
R168 100K
R160 100K
C281 225
C282 225
GND_A
Q103
8550SL
Q101
Q104
8550SL
8550SL
Q102
STB_ON/OFF#
8550SL
R239
10R
Q100
MMS8050L(Y1)
R186
C289
47K
105
GND
FB74
600
R/V_OUT
D22
D25
C153
C128
1N4148
1N4148
101
56pF
GND
+5VA
FB75
600
J5
B/U_OUT
G/Y_OUT
1
D23
D26
Pr
1N4148
1N4148
C154
C291
6
56pF
6
101
CVBSO
2
CVBS
GND
+5VA
R246
FB76
100R
600
G/Y_OUT
B/U_OUT
3
Pb
C316
D24
D27
5
1000uF/6.3V
1N4148
1N4148
C292
5
C176
56pF
101
R/V_OUT
4
Y
GND
+5VA
R241
100R
FB77
GND
600
CVBSO
C229
D28
D29
1000uF/6.3V
C293
1N4148
1N4148
C177
56pF
101
GND
+5VA
CN1B
7
STB_LED
6
IR
5
+P9V
FL_PWM
4
+5V
3
2
-24V
1
GND
VFD_SDA
8
7
VFD_SCK
6
VFD_STB
5
+B5V
STB_KEY
4
Encoder+
3
Encoder-
2
1
GND
CN1A
GND
+U5V
CN2
FB41
600
5
GND
4
+5V
DM
3
USB_DM
DP
2
USB_DP
1
GND
C119
104
FB68
GND
600
FB105
600
+9VOP
R108
VREF2
10K
R109
C70
C192
100uF/16V
10K
104
GND
R104
10K
VREF1
C122
100uF/16V
C295
R105
C300
C189
104
10K
104
100uF/16V
GND
Notes:
Capacitance
Withstand voltage value is not marked, are 50V
Accuracy value is not marked, are 5% or 10%
Resistance
Accuracy value is not marked, are 5%
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