ION Explorer Bluetooth User manual

Confidential ION Audio Service Manual
ION Audio
Explorer
[iPA76S]
Service Manual
v1.0
2015.03.27
The information in this document contains privileged and confidential information. It is intended
only for the use of those authorized by ION Audio. If you are not the authorized, intended
recipient, you are hereby notified that any review, dissemination, distribution or duplication of
this document is strictly prohibited. If you are not authorized, please contact ION Audio and
destroy all copies of this document. You may contact ION Audio at suppo[email protected].
© Copyright ION Audio
ATTENTION!
This document contains sensitive proprietary
information.
All recipients must have a current non-disclosure
agreement on file with ION Audio.
Do not make illegal copies of this document.

Confidential ION Audio Service Manual
Preface
This document is intended to assist the service technician in the operation, maintenance and
repair of the ION Audio device. Together with the User Reference Manual, this document
provides a complete description of the functionality and serviceability of the Device. Any
comments or suggestions you may have pertaining to the document are welcome and
encouraged.
Read This!
In addition to any purchase price that ION Audio may charge as consideration for ION Audio
selling or otherwise transferring this service manual (“Manual”) to you, if you are not a service
and repair facility (“Service Center”) authorized by ION Audio in writing to be an authorized
Service Center, ION Audio sells or transfers the Manual to you on the following terms and
conditions:
Only Service Centers authorized by ION Audio in writing are authorized to perform service and
repairs covered by an ION Audio warranty (if any), and transfer of the Manual to you does not
authorize you to be an authorized Service Center. Therefore, if you perform, or if the Manual
is used to perform, any service or repairs on any ION Audio product or part thereof, any
and all warranties of ION Audio as to that product and any service contract with ION Audio
for that product shall be voided and shall no longer apply for such product, even if your
services or repairs were done in accordance with the Manual.
All service or repairs done by you or with reference to the Manual shall be solely your
responsibility, and ION Audio shall have no liability for any such repairs or service work. All such
service or repairs are performed at the sole risk of the person performing the service or
repairs. You agree that all such work will be performed in a competent, professional and safe
manner at all times and to indemnify and fully hold ION Audio and its successors and assigns
harmless in the event of any failure to so perform.
Your purchase of the Manual shall be for your own ultimate use and shall not be for purposes of
resale or other transfer.
As the owner of the copyright to the Manual, ION Audio does not give you the right to copy the
Manual, and you agree not to copy the Manual without the written authorization of ION Audio.
ION Audio has no obligation to provide to you any correction of, or supplement to, the Manual,
or any new or superseding version thereof.
ION Audio shall have the right to refuse to sell or otherwise transfer repair parts or materials to
you in its sole discretion. You shall not use, sell or otherwise transfer spare or replacement parts
supplied by ION Audio to you (i) to repair or be used in products manufactured for or by third
parties or (ii) to any third parties for any purpose.
You shall not make any warranties or guarantees with respect to the products of ION Audio or
the use thereof on behalf of ION Audio or in your own name.
The foregoing describes the entire understanding related to sale or transfer of the Manual to you,
and no other terms shall apply unless in a writing signed by an authorized representative of ION
Audio.
All Trademarks are property of their respective companies.

Confidential ION Audio Service Manual
Warnings
TO REDUCE THE RISK OF ELECTRIC SHOCK OR FIRE, DO NOT EXPOSE
THIS PRODUCT TO WATER OR MOISTURE.
The arrowhead symbol on a lightning flash inside a triangle is
intended to alert the user to the presence of uninsulated
“dangerous voltage” within the enclosed product which may be of
sufficient magnitude to constitute a risk of electric shock to
persons.
The exclamation point inside a triangle is intended to alert the user
to the presence of important operating, maintenance and servicing
instructions in the literature which accompanies the product.
REPAIR BY ANY PERSON OR ENTITY OTHER THAN AN AUTHORIZED ION
AUDIO SERVICE CENTER WILL VOID THE ION AUDIO WARRANTY.
PROVISION OF THIS MANUAL DOES NOT AUTHORIZE THE RECIPIENT TO
COMPETE WITH ANY ION AUDIO DISTRIBUTOR OR AUTHORIZED REPAIR
SERVICE CENTER IN THE PROVISION OF REPAIR SERVICES OR TO BE OR
MAKE REPAIRS AS AN AUTHORIZED SERVICE CENTER.
ALL REPAIRS DONE BY ANY ENTITY OTHER THAN AN AUTHORIZED ION
AUDIO SERVICE CENTER SHALL BE SOLELY THE RESPONSIBILITY OF
THAT ENTITY, AND ION AUDIO SHALL HAVE NO LIABILITY TO THAT
ENTITY OR TO ANY OTHER PARTY FOR ANY REPAIRS BY THAT ENTITY.
Regarding the Power Supply Fuse
Caution: The product under service may employ the use of a
replaceable fuse. Danger of fire or electrocution if fuse is
incorrectly replaced. Replace with only the same type or equivalent
type recommended by the equipment manufacturer.
Regarding the Internal Battery
Caution: The product under service may employ the use of a
internal battery. Danger of explosion if battery is incorrectly
replaced. Replace only with the same or equivalent type
recommended by the manufacturer. Dispose of used batteries
according to the manufacturer’s instruction.
!
!
!

Confidential ION Audio Service Manual
Safety Instructions
Carefully read the applicable items of the operating instructions and these safety suggestions
before using this product. Use extra care to follow the warnings written on the product itself and
in the operating instructions. Keep the operating instructions and safety suggestions for
reference in the future.
1. Power Source. The product should only be connected to a power supply which is
described either in the operating instructions or in markings on the product.
2. Power Cord Protection. AC power supply cords should be placed such that no one is likely
to step on the cords and such that nothing will be placed on or against them.
3. Periods of Non-use. If the product is not used for any significant period of time, the
product’s AC power supply cord should be unplugged from the AC outlet.
4. Foreign Objects and Liquids. Take care not to allow liquids to spill or objects to fall into
any openings of the product.
5. Water or Moisture. The product should not be used near any water or in moisture.
6. Heat. Do not place the product near heat sources such as stoves, heat registers, radiators
or other heat producing equipment.
7. Ventilation. When installing the product, make sure that the product has adequate
ventilation. Improperly ventilating the product may cause overheating, which may damage
the product.
8. Mounting. The product should only be used with a rack which the manufacturer
recommends. The combination of the product and rack should be moved carefully. Quick
movements, excessive force or uneven surfaces may overturn the combination which may
damage the product and rack combination.
9. Cleaning. The product should only be cleaned as the manufacturer recommends.
10. Service. The user should only attempt the limited service or upkeep specifically described in
the operating instructions for the user. For any other service required, the product should be
taken to an authorized service center as described in the operating instructions.
11. Damage to the Product. Qualified service personnel should service the unit in certain
situations including without limitation when:
a. Liquid has spilled or objects have fallen into the product,
b. The product is exposed to water or excessive moisture,
c. The AC power supply plug or cord is damaged,
d. The product shows an inappropriate change in performance or does not operate
normally, or
e. The enclosure of the product has been damaged.

Bill of Materials (BOM)
Part # Part name Description Qty.
DR00166 IPA76S Semi-ASSY IPA76S Semi-ASSY 1
10530036 Steel support DN-MB6036,M3 screw hole at both sides,L=12mm 3
10530091 Steel support DN-MB6084,low-carbon steel,ROHS,V1.0 2
12030044 Switch AN-S343,RS601D,6A/250V 1
13110012 Switch mode power supply K48P160300-1,100-240VAC,16V/3A,mounting hole Φ4.2mm 1
16040955 Plug with cable AN-W4515,2P,22#,UL1617,130mm 1
16040956 Plug with cable AN-W4516,2P,22#,UL1007,420mm 1
16040957 Plug with cable AN-W4517,2P,20#,UL1007,200mm 1
16120133 Plug with cable AN-WE133,UL1007,22#,200mm 1
20020152 top cover DN-PC2101,ABS,UL94V-0 1
20210156 volume knob DN-PN2115,ABS 2
20320025 Handle DN-PE2025,ABS 2
20360099 handle plastic piece DN-PE6054,ABS 2
20410119 buttons DN-PEB075,(3),ABS 5
20410120 buttons DN-PEB076,(2),ABS 1
20440059 separate post UBD-1,NYLON66(94V-0) 1
20460013 fix button KY-CLT-2 1
40010038 power socket AN-J0138,DB-14-F,3P 1
54020098 top cover DN-PC2101,ABS,UL94V-0 1
60100016 antenna IPA23,AM antenna,AM-D8x100mm-85TS-M7 1
60100017 antenna plastic ntenna,2.4G,2DBi,black,ROHS 1
60190143 FM antenna IPA30,FM plastic antenna，￠9.5*220mm 1
70010046 screw M3*6mm,screw head D6mm 5
70010048 screw AN-C10048,M3*6mm,screw head D5.5mm 5
70010054 screw Φ3*6mm,screw head D5.5mm 5
70010111 screw Φ3*10mm,screw headD5.5mm 10
70010337 screw Φ2.6*8mm,screw headD4.5mm 8
70010576 screw Φ3*6mm,screw headD7.5mm 2
70010605 screw Φ2.6*7mm,screw headD4.5mm 2
CR01079 semi-finished electronics IPA76S MAIN ASSY 1
60190161 LCD display AN-E308,BCD-6516B 1
60210026 NFC module HCR-TAG2-series 1
CR01079 IPA76S MAIN SMT IPA76S MAIN SMT ASSY 1
60210035 BT module IPA23B(AIROHA),AB1511,AIROHA 1
ER00056 packaging materials IPA76S package ASSY 1
10360022 corner DN-ME1016,SPCC,T=0.8mm,black chrome,V1.0 8
10410171 grill DN-ME5126,SPCC,T=0.8mm 1
10520106 wheel JD180D 2
10520185 antenna tin,265*15mm,T=0.3mm,V1.1 1
16040918 plug with cable AN-W4478,1P,18#,UL1015,500mm 1
16040919 plug with cable AN-W4479,1P,18#,UL1015,500mm 1
16040929 plug with cable AN-W4489,2P,18#,UL1015,L=450mm 1
16120138 Plug with cable AN-WE138,1P,UL1007,18#,160mm 1
16141043 multicore electric wire 1P,22#,UL1007,L=350mm 1
16141044 multicore electric wire 1P,22#,UL1007,L=350mm 1
16150041 3.5 plug with cable AN-W1540,UL2547,26#,610mm 1
17050013 nonpolarity electrolytic 4.7uF/50V,±20%,-40/+85℃,Φ6*17mm 1
20110133 len DN-PL1102 1
20660038 rail DN-PC6036,(3),ABS 1
20660039 rail DN-PC6037,(2),ABS 1

Bill of Materials (BOM)
20660040 rail DN-PC6038,(1),ABS 1
21010473 wooden cabinet DN-X10202,MDF,T=9mm 1
22010932 user manual IPA76S,user manual,V1.0 1
22010934 user manual ION,safety and warranty manual,V14.8 1
22050006 drier 50g,silicon,non-woven fabric,DMT,SGS 1
22150001 service card ION series,V1.1 1
23010020 packaging bag PE,120*280*0.06mm 1
23010295 packaging bag PE,160*260*0.025mm,punched 1
23010356 packaging bag PE,(290+390)*750*0.1mm punched 1
23020262 EPS IPA76C,EPS,510*340*100mm,V1.0 2
23031295 master carton IPA76S,A=A,T=6mm,502*365*525mm 1
23070029 pearl wool sheet LGA8,500*350*2mm,V1.0 2
23090572 gift box IPA76S,487*352*502mm 1
23100092 inner carton 250g,270*65*60mm.V1.0(for MIC) 1
30060079 foam 50*150*5mm 1
30060095 foam 10*1000*1mm,EVA1030 3
30060423 Foam EVA1030,288.5*6*1mm,T=1mm 2
30060424 Foam EVA1030,(2)315*6*1mm 4
30150142 telescoping handle aluminium alloy,295*88mm,V1.0 3
30150143 double sided tape 3M(9495),V1.0 1
54110027 len DN-PL1102,PC, silkscreened cold gray 6C,V1.0 1
60090030 mic head AN-E0926,PM-353,ROHS 1
60190154 Battery AN-E1909,PL7-12,12VDC,7Ah 1
70010098 screw Φ3*8mm,Phillips round head,screw head D5.5mm,self-
tapping,black zinc,HRC
3
70010151 screw Φ3*15mm,Phillips round head,screw head D5.5mm,self-
tapping,black zinc,HRC
4
70010236 screw Φ4*16mm,Phillips round head,screw head D7mm,self-
tapping,black zinc,HRC
4
70010237 screw M4*16mm,round head,screw head D9mm,black zinc,HRC 4
70010300 screw AN-C10300,M5*25mm,round head,screw head D9mm,black
zinc,HRC
4
70010479 screw Φ4*20mm,screw headD9mm 2
70010691 screw M4*26mm,round head,screw head D8mm 4
70010848 screw Φ3.5*15mm,hex screw,screw headD7mm 5
70010849 screw Φ3.5*15mm,hex locking head(2mm),screw head D7mm 24
80130037 8" woofer AN-LD31,50W,4ohm,99-08-Y8030F-00 1
80320001 3" tweeter 10W,4ohm,99-08-Y3014B-00 1
90021268 serial number sticker IP76S,64*13mm,one with 3 copies,V1.0 4
90041428 barcode label IPA76S,38*26mm,one with two copies,V1.0 3
90080001 destination label GA0/GA1/GA2,coated paper 3
90200056 mark sticker coated paper,,BLACK&361C,Φ30mm,V1.0 1
90220078 special sticker ALESIS,30*30mm,coated paper,PANTONE 361C 1
90250038 CARB sticker ION,coated paper,78*23mm 1
90270010 date sticker coated paper,13*6mm,V1.0 1
GR00060 selectable package selectable package ASSY 1
16070013 power cord AN-W915,3C,18#,SVT,1830mm,black,(for USA) 1
16070050 power cord AN-W953,3G,0.75mm2,H05VV-F,1830mm,black,(for French) 1
16070073 power cord AN-W976,3C,0.75mm2,VCTF,1830mm,black,(2P for JP) 1
16070080 power cord AN-W982,3C,0.75mm2,H05VV-F,1830mm,black,(for 1
90041429 barcode sticker IPA76S,76*50mm,for US order,V1.0 1
90200071 mark sticker green round sticker 1

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MIC
Master VOLUME
INPUT DC12V +5V 1A
+5V/3.0A
IPA76C
PRE
C1
102
C28
102
R50 20K
R51 20K
R16
10K
ESD1
ESD2
- +
3 2
1U2-A
TJM4558 -
+
5 67
U2-B
TJM4558
C56
47P
C12 47P
R17 40.2K
R18
4.99K
R19
4.99K
R20
40.2K
R36
20K
R21
4.7K
C22 47P
R33 30K
C15 331
R24
1K
C38
221
C39
1uF
- +
3 2
1
U5-A
TJM4558
R45 4.53K R46 18K
C40 33P
C41
221
C42
1uF
- +
5 6
7
U5-B
TJM4558
R47 4.53K
R48 18K
C43 33P
- +
3 2
1
U7-A
TJM4558
R49 5.1K
R52 5.1K
C44
4.7uF
R53 1K
R54
1K
R55 86.6k
C46 273
R61
1K
R62 100
R63
10K
R64
100K
R65
100K
R66 1K R67 330
R68 1K R70 330
C48
331
C49
331
C50
331
C51
331
L1
2.2uH
L2
2.2uH
C52
101
C53
101
L3
2.2uH
C54
101
L4
2.2uH
C55
101
1 2 3 4 5
J2
AUX IN
R76 5.1K
R77 1K
R78 5.1K
R79 1K
C65
331
C66
331
1 2 3 4 5
J3
AUX OUT R80
3.4K
R81
3.4K
R82
1.8K
R83 1.8K
R84
1.8k
R85
10K
C70 331
R86
1.8k
8 4
U7-C
TJM4558
- +
5 6
7
U7-B
TJM4558
R87
27K R88
27K
C71
104
C72
104
R89
22
C73
1000uF
8 4
U5-C TJM4558
8 4
U2-C
TJM4558
C75 104 C76 104
C77
104
S T R TS RS
J8
1+VBUS 2D- 3D+ 4GND
5 6
USB1
D10
B540C-13-F
L9
220uH
C160 273
R191 75K
R192 100K
CW
1
2
3
VR4
A10K
CW
1
2
3
VR1
A10K
R43 1K R69 3.01K
R71
49.9K
R72
49.9K
R74
43.2K
R90
75K
C37
104
C57
105
C60
104
C61
470uF/25V
C89
470uF/25V
1 2 3
J5
1 2 3
J7
C11
224
C29
224
C17
105
C20
105
C21
105
C62
105
C67
105
C68
105
C14
4.7uf
C58
4.7uF
C59
4.7uF
C63
105
C64
105
C45 4.7uf
C47 4.7uf
C74
4.7uf
7IPK
8DRV_C
1SW_C
2SW_E
5-CVOMP
3
CT
4
GND
6VCC
U14
MC34063AD
R115
0.22/0.5W
C104
150P
GND
GND
BIAS
BIAS
BIAS
BIAS
BT_L
TL
TR
BIAS
VDD
AIN
BIAS
VCC
BT_R

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4 ohM
IPA76 AMP
SPEAKER OUT
V1.4
SWITCH POWER
MODULE
OUTPUT:16VDC/3A
AC INPUT 100~240VAC
IPA76C
AMP POWER
1C8
220uF
1C7
104
1R4
10K
1C9
102
1R26
10
0.5W
1C39
471
1L1
15uH
1L2
15uH
1C19
225/M
1C20
225/M
1R16
10
1C33
1uF
1R27
10
0.5W
1C40
471
1R29
100
FB1
FB
1SD 2FAULT 3GND 4GND 5GAIN0 6GAIN1 7AVCC 8AGND 9GVDD
10 PLIM 11 INN 12 INP 13 NC 14 AVCC 15
PVCC
16
PVCC
17
BSP
18
OUTP
19
PGND
20
OUTP
21
BSP
22
BSN
23
OUTN
24
PGND
25
OUTN
26
BSN
27
PVCC
28
PVCC
IC1
TPA3112D1
1R36 1K
1C41 1uF
1C11
474
1C12
474
1C15
220uF
1C17
104
1R1 0
FB
1L3
720
1R3
0
1R7
100K
1 2
J3-A
1R8
15K
1C4
100uF
1R9 33K
1R10
15K
1R11 15K
1R12
10K
1D1
4148
1R13
10K
1D2
4148
2
1
3
1Q1
MMBT3904
2
1
3
1Q2
MMBT3904
1R14
100
1C5
100uF
C9
1000uF
C10
104
1
S2 S3 S4 G
5D 6D 7D 8D
Q1
CEM4435A
2
1
3
1Q5
MMBT3904
R12
3K
R13
1K
R14
10K
R15
100K
BATTERY
12V/7A
1 2
B+
1
CP3
1 2
B-
1
CP4
12
F1
T3.15AL/250V
1
2
J1A
1
2
J1B
R34
16.9K
R37
49.9K
R38
200K
R39
100.0K
R40
243.0K
R41
137K
R42
100.0K
C23 474
C25 474
R44
10K
1S
2S
3S
4G5
D6
D7
D8
D
Q5
CEM4435A
C31 103
N
L
1
2
3
J1 1
2
CON2
1
2
J1-B
C13
1000uF
C16
104
SW1-B
SW1-A
C32
100uF
2
1
3
Q8
MMBT3906
R56
100K
R57 10K
R170
100K
R171
24K
C149
104
GND OUT
IN
1
2
3
U18
7809
1C1
470uF 1C2
104
D2
SS34
5
23
U3
LM4041DIM7-ADJ
5 2
U6-A
TS391ILT
3 4
1
U6-B
TS391ILT
1
2
J1A1
1
2
J1B1
C150
0.33uF
Z2
8.6V
Z3
5.1V
R1
10K
R2 1M
R3
1M
C2
47uF
GND OUT
IN
2OUT
1
ADJ
3
IN
U1
LM317
C3
1uF
R5
10.7
R6
47.5
R7
243.0
R8 34.8K
R9
3.01K
3 21
U21-A
5 67
U21-B
8 4
U21-C
LM393
R194
10K
R195
10K
C4
104
2
1
3
Q3
MMBT3904
R196
100K
R197
10K
C5
10uF
G
SD
Q6
G
S
D
Q20
R198
NC
R199
NC
R200
24.3K
R201
NC
R202
10K
R203
10K
C6
104
R205
100
2
1
3
1Q3
MMBT3904
2
1
3Q21
MMBT3906
R4
10K
R10
10K
R11
10K
1D3
4148
R101
10K
2
1
3
1Q4
MMBT3904
R26
10K
1D5
4148
D1
SS34
D3
SS34
2
1
3
1Q6
MMBT3904
R106
10K
1D6
4148
R108
0.22
C24
10uF
C151 334
1D4
4148
R140
3K
2
1
3
Q23
MMBT3904
1D7
5.1V
R144
10K
2
1
3
Q24
MMBT3906
R148
7.5K
R152
10K
P/OFF/ON
VO
MUTE1
MUTE1
VDD
AIN
VCC
VDD
VCC2
VDD2
PL
VDD2
P/W

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D C B A
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AM/ANTENNA
Bluetooth
IPA76C
BT RADIO
PALY
NC
SGM-2019
R91 10K R92 10K
R93
20K
R94
9.1K
R95
100R
C78
C79
R96 10K
R98
20K
R99
9.1K R100
100R
C80
C81 R102
47K
C88
R104 4.7K
+ -
3 2
1
U10-A
TJM4558
+ -
5 6
7
U10-B
TJM4558
8 4
U10-C
TJM4558
C83
C87
220U/6.3V
1
23
SMA1
IPEX-001
C91
100U/25V
C92
R105
10K
C93
47pF
C94
R111 0FB
FB3 720
FB
FB4 720 C99
4.7uF
C100
4.7uF
1
CH
2
DVSS
3
ROUT
4
L0UT
5
AVSS
6
AVDD
7
XI/RCLK
8
XO
9ENABLE
10 AMINN
11 AMINP
12 RFINP
13 RFGND
14 SCL
15 SDA
16 VOL
U13
KT9013
FM/ANTENNA1
12
L5
C112
104
C113 105
C114 105
R141 51R
R14351R
C115 100P
L6
FB
R146 33K
C116
104
R14730K
R149 75R
R150 75R
R151
30K
C117
47P
C118
47P
C119
150P
C120
150P
C121
15P
C122
15P
R153
2.2K
R154 2.2K
C123
105
1NC 2GND
4
VCC
3
OUT
X1
12M/HZ
R155
5.1K
R156
10K
R157
10K
R158
20K
R159 100R
C124
C125
R160
4.7K
R161
10K
R162
10K
R163
20K R164
100R
C126
C127
R165
47K
R166
47K
C131
+ -
3 2
1
U15-A
TJM4558
+ -
5 6
7
U15-B
TJM4558
8 4
U15-C
TJM4558
C133
47pF
C134
FB
FB8 720
FB
FB10 720
C135
1uF
C136
1uF
C137
C138
100U/16V
C139
100U/16V
C140
3
IN
1
GND
2OUT
U16
SPX1117M3 3.3V
1
2
J10
1
2
J11
NFC
C111
10uF
D12
4148
D13
4148
2
1
3
Q9
2SC3326B
D19
4148
C90
C95
3.9PF
C96
R109
10K
R110
10K
S16
S17
R97
10k
R28
10k
R29 10k
C69
4.7uF
C82
4.7uF
C84
1uF
C85
1uF
C86
1uF
C98
1uF
R75 10K
C102
4.7uF
C103
4.7uF
FB
FB2 720
FB
FB5 720
2
1
3
Q4
2SC3326B
R113
47K
R114 4.7K
2
1
3
Q10 2SC3326B
2
1
3
Q16
2SC3326B
C36
104
2
1
3
Q22
3904
1NC 2GND 3WAKE 4PIO1 5PIO2 6PIO3 7UART-RX 8UART-TX 9PIO11
10 PIO6 11 PIO7 12 PIO14 13 PIO15 14 PIO16 15 PIO17 16 GND 27
GND
28
VCHG-IN
29
BAT-IN
30
VREGOUT-HV
31
PIO4
32
MIC-BIAS
33
MIC1-P
34
MIC1-N
35
MIC2-N
36
MIC2-P
37
LINE-IN-L
38
LINE-IN-R
39
SPK-LP
40
LRVCM
41
SPK-RP
42
GND
26 RST
25 VREGOUT-MV
24 PIO12
23 VCCIO
22 PIO5
21 LED1
20 LED0
19 WP/PIO18
18 SCL
17 SDA
BT1
AB1511
1 2 3 4 5 6
7 8 9
CN3
C105
105
R120
0
R127
240K
R128
0
1VIN 2GND 3
ON/OFF
4
BYPASS
5
VOUT
IC2
C106 103
C107 105
C108
105
R130
0
R32
0
1
IN
2
GND
3
OUT
IC8
ZHD-2405
R30 470
R139
630
BIAS
BIAS
BT_L
BIAS
BIAS
TL TR
SCL
SDA
VDD
VDD
GND
GND
GND
VCC2
BT_R
BRX
BRX BTX BTX
PI07
BSDA
BSDA
BLED
RST
RST
VCHG
PI07 VCHG
NEXT
PREV

A2
44
REV:SIZE:CODE:
DRAWN: DATED:
DATED:CHECKED:
QUALITY CONTROL: DATED:
DATED:RELEASED:
COMPANY: TITLE:
DRAWING NO:
SHEET: OFSCALE:
REVISION RECORD
A B C D
DATE:
123456
D C B A
LTR ECO NO: APPROVED:
IPA76C
MCU
12345
6 7 8 9 10 11 12 13
14
15
16 17
18 19
LED
A
B C
D
E F
G
L1 L2 L3 L4
L1 L2 L3 L4
AAAA BBBB CCCC DDDD EEEE FFFF GGGG
DMP
DMP
L5 L6 L7 L8 L9
L5L6L7
L8
L9
L10
L11
L10 L11
L14-6
L14-6
Q11
3906 Q12
3906 Q13
3906 Q14
3906 Q15
3906
R121 1K
R122 1K
R123 1K
R124 1K
R125 1K
R132
510
R133
510
R134
510
R135
510 R136
510
R137
510
R138
510
1
2
3
4
J6
R126
510
1DIG1 2DIG2 3DIG3 4DIG4 5COM1 6SG1 7SG2 8SG3 9SG4 10
SG5
11
SG6
12
SG7
13
SG8
14
BLED+
15
BLED-
16
PLED+
17
PLED-
25
NC 24
NC 23
NC 22
NC
18 NC
19 NC
20 NC
21 NC
LCD1
IPA76LCD
R142 750
C145
C146
100U/16V
C147
100U/16V
C148
3OUT
1
GND
2
IN
5
NC
4
NC
U12
TLV70433
S1 S2
S3 S4
S5 S6
S7
S8 S9
R112 10K
R103 510
C153
C154
100U/16V
C155
100U/16V
C156
3OUT
1
GND
2
IN
5
NC
4
NC
U17
TLV70433
R116 1K
C7
104
R22 4.7K
C8
104
R23 4.7K
C18
104
C19
104
1
2
3
4
J9
1
2
3 4
5
U4
MCP6001
R25 10K
R58 30K
C26
2.2uf
C27 222
R59 10K
R60
10K
C30
4.7uF
R73 10K
C33 183
1PD4 2PD5 3PD6 4NRST 5OSCIN/PA1 6OSCOUT/PA2 7VSS 8VCAP 9VDD
10 PA3 11
PB5
12
PB4
13
PC3
14
PC4
15
PC5
16
PC6
17
PC7
18
PD1
19
PD2
20
PD3
U8
STM8S003F3P6
1PD4 2PD5 3PD6 4NRST 5OSCIN/PA1 6OSCOUT/PA2 7VSS 8VCAP 9VDD
10 PA3 11
PB5
12
PB4
13
PC3
14
PC4
15
PC5
16
PC6
17
PC7
18
PD1
19
PD2
20
PD3
U9
STM8S003F3P6
C34
105
C35
105
R27 10K
R107 10K
2
1
3
Q19
MMBT3904
R184 10K C157
105
Q7
3906
R129
1K
D5
4148
R31 4.7K
D4
3.9V
R35 4.7K
R117 4.7K
R167 10K
R168 10K
R119 4.7K
C97 104
2
1
3
Q2
MMBT3904
2
1
3
Q18
MMBT3904
Q17
3906
R118 4.7K
R131
4.7K
3.3V
NRST
3.3V
SG1 SG2
SG3 SG4 SG5
SG6 SG7 SG8
COM1
DIG4
DIG3
DIG2
DIG1
VCC
BDIG
GND
VCC
GND
3.3VLE
3.3VLE
BLED
3.3V
3.3V
3.3V
NRST
3.3V
3.3V
GND
GND
3.3V
AIN
3.3V
DIG1 DIG2 DIG3 DIG4 COM1
RX TX
P/OFF/ON ADC1
SCL SDA
PL
P/W
SG8 SG7
SG3
SG6 SG1 SG2
SG4 SG5
P/W
PL
VCC
BDIG
RX TX
ADC1
VO
4V
N/P
N/P
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3.3V