Page 1
314178537260
55
CMD310/
TROUBLE SHOOTING.........................................................................28-29
27
....................................................
USB.AUX PCB COMPONENT LAYOUT..............................................25-26
POWER PCB COMPONENT LAYOUT...............................................23-24
IPOD PCB COMPONENT LAYOUT....................................................22
IPOD CONTACT PCB COMPONENT LAYOUT.................................20-21
TUNER PCB COMPONENT LAYOUT................................................18-19
16-17
LAYOUT...........................................
SERVO PCB COMPONENT LAYOUT................................................14-15
SET EXPLODER VIEW DRAWING
12-13
MAIN PCB COMPONENT LAYOUT..............................................
CIRCUIT DIAGRAM POWER BOARD......................................11
CIRCUIT DIAGRAM IPOD CONTACT BOARD........................10
CIRCUIT DIAGRAM TUNER BOARD.......................................9
CIRCUIT DIAGRAM PANEL BOARD.......................................8
CIRCUIT DIAGRAM MAIN BOARD....................................................5-6
CIRCUIT DIAGRAM SERVO BOARD.................................................7
PANEL PCB COMPONENT
WIRING DIAGRAM........................................................................4
BLOCK DIAGRAM.........................................................................3
DISMANTLING INSTRUCTIONS.................................................. 2
Service Manual
RECORDABLE REWRITABLE
Mini System
Service
Service
Version1.0
TABLE OF CONTENTS
Page 2
2
4. Remove the five screws which was used for fixing the KB baord of the panel
CMD310 -- Dismantlement Method
1. Remove the two screws in the top cover and then remove the top cover ; remove the five screws in heat sink and then remove the heat sink
2. Remove the six screws in the rear chassis and then remove the rear chassis ; Remove the four screws in left right of the base panel
3. Remove the FFC which was connected the panel and main board, then remove the panel; Remove the screw in the main board and wire which was connect to small board, then
remove main board
Remove the screws in the top cover
Remove top cover
Remove heat sink
Remove the screws in the heat sink
Remove the six screws
Remove the rear chassis
Remove the screws on the left right side of the base panel
Remove FFC
Remove the screw and wire
Remove main board
Remove panel
Main board
Panel
Remove the five screws
PANEL PCB
Page 3
3
Page 4
WIRING DIAGRAM
4
Page 5
CIRCUIT DIAGRAM -MAIN BOARD
5
Page 6
6
Page 7
CIRCUIT DIAGRAM -SERVO BOARD
7
Page 8
TRACK-UP
TRACK-DN
POWER/MUTE
0
0.2 0.4
0.68
0.99
1.32
1.66
2.0
2.28
2.53
2.72
2.88
FCE
FCLK
FDATA
FINH
+5V
KEY1
KEY2
ENVOL
LED5V
GND
MIC-
REMO
L-GND
BT-LED
GND
MIC+
VOL-LED
1
2
3
4 5
EN901
ENC
SW901
M1/SONG
R901
180
SW902
M2/FOLDER
SW903
M3/RPT
SW904
EQ/SOUND
SW905
MENU
SW906
SOURCE
SW908
TUNE/SEEK-UP
SW909
TUNER/SEEK-DN
SW910
M4/SHUF
SW911
M5/INTRO
SW912
M6/PAU
R902
220
R903
330
R904
470
R905
680
R9061KR907
1K5
R908
2K2
R909
3K3
R910
4K7
R911
8K2
SW913
DISP
SW914
SOUND
SW915
BAND
R913
220
R914
330
R915
470
R912
180
R924
4K7
R925
4K7
R922
82K
R923
47K
R930
22
R929
22
R92822R927
22
LED901BLUE
R932
270
R933
270
R934
270
R935
270
R936
270
R937
270
R938
270
R939
270
R940
270
R941
270
R942
270
R943
270
R944
270
R945
270
R946
270
R947
270
LED902BLUE
LED903
BLUE
LED904
BLUE
LED905
BLUE
LED906
BLUE
LED907
BLUE
LED908
BLUE
LED909
BLUE
LED910BLUE
LED911BLUE
LED912BLUE
LED913BLUE
LED914BLUE
LED915BLUE
LED916BLUE
ZD901
6V8
ZD902
6V8
ZD903
6V8
ZD904
6V8
C9012PC9022PC9032PC904
2P
C905
104
R931
47K
C906 680P
2
3
1
Q901
9014
R951
1k
R952
10k
1
M1
MARK
1
M2
MARK
1
M3
MARK
1
M4
MARK
1
SEG1
2
SEG2
3
SEG34SEG4
5
SEG56SEG67SEG78SEG89SEG910SEG1011SEG1112SEG1213SEG1314SEG1415SEG1516SEG16
17
SEG17
18
SEG18
19
SEG19
20
SEG20
21
SEG21
22
SEG22
23
SEG23
24
SEG24
25
SEG25
26
SEG26
27
SEG27
28
SEG28
29
SEG29
30
SEG30
31
SEG31
32
SEG32
33
SEG3334SEG3435SEG3536SEG3637SEG3738SEG3839SEG3940SEG4041SEG4142SEG4243SEG4344SEG4445SEG4546SEG4647SEG4748SEG48
49
SEG49
50
SEG50
51
SEG51
52
SEG52/COM0
53
COM1
54
COM2
55
COM3
56
VDD
57
INH
58
VLC1
59
VLC2
60
VSS
61
OSC
62
CE
63
SCLK
64
SI
IC901
LCD-MC5502
123456789
1011121314151617181920212223242526
27
282930313233343536373839404142434445464748495051525354
LCD901
CMD300-LCD
C908
473
C909
473
R953
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
CON901
CON-17P
TP1TP2 TP3TP4 TP5TP6
ZD905
6V8
C910
10UF
-
+
1
2
MIC901
MIC
SEG[00:99]
SEG01
SEG02
SEG03
SEG04
SEG05
SEG06
SEG07
SEG08
SEG09
SEG10
SEG11
SEG12
SEG13
SEG14
SEG15
SEG16
SEG17
SEG18
SEG19
SEG20
SEG21
SEG22
SEG23
SEG24
SEG25
SEG26
SEG27
SEG28
SEG29
SEG30
SEG31
SEG32
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG49
SEG52
SEG53
SEG54
SEG55
SEG33
SEG34
SEG35
SEG36
SEG37
SEG38
SEG39
SEG40
SEG41
SEG42
SEG43
SEG44
SEG45
SEG46
SEG47
SEG48
SEG32
SEG31
SEG30
SEG29
SEG28
SEG27
SEG26
SEG25
SEG24
SEG23
SEG22
SEG21
SEG20
SEG19
SEG18
SEG17
SEG16
SEG15
SEG14
SEG13
SEG12
SEG11
SEG10
SEG09
SEG08
SEG07
SEG06
SEG05
SEG04
SEG03
SEG02
SEG01
SEG49
SEG52
SEG53
SEG54
SEG55
GND1
GND1
GND1
GND2GND2
GND2
GND2
GND2GND2
GND1 GND1
GND2
CIRCUIT DIAGRAM -PANEL BOARD
8
Page 9
1
2
3
4
5
6
RFGND
FMI
RF-GND
CTUNE
AGC
AMI
DFS
789
10
11
12
SEN
RST
RCLK
SDIO
SCLK
VIO
18
17
16
15
14
13
DO
LOUT
ROUT
GND
VDD
19
20
212223
24
DCLK
INT
GP01NCNC
NC
IC001
SI474X
C001
30P
C004
30P
C006
47P
C005
103
C003
30P
C002
15P
C008
22P
L001
220NH
L002
220NH
L003
2.7UH
Q001
SK255
R001
270K
R002
4K7
R003
47
XT001
32.768KHz
C009
22P
C112
103
C020
104
1211109876
543
2
DATA
CLK
RES
R-OUT
L-OUT
GND
DGND
RFGND
FM ANT
+3V3
RDS
1
RFGND
CN001 TUNER23
C015
104
L007
220UH
C013
333
C019
474
L004
FB152
Q004
9014S
Q102/Q003
9014S
Q002
9018S
R006
220K
R005
10M
C017
183
L006
33UH
L005
1MH
C014
122
R004
10K
R007
4K7
R008
4K7
C016
474
R010
10
C021
1U
C020
104
C007
104
AM
C018
104
R009
10K
L008
FB152
EC001
47UF
R011 100
R012 100
R013
100
R014
100
L010
FB152
C025
1UF
C011
103
L009
FB152
CIRCUIT DIAGRAM -TUNER BOARD
9
Page 10
CIRCUIT DIAGRAM -IPOD CONTACT BOARD
ipod-rx
ipod-tx
to bx8805
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
IPOD701
30P
P2
P3
P5
P6
P10
P4
EC710
C720
10P
C721
10P
C722
10P
USB_D+
USB_D-
USB_PWR
USB_GND
DET
10
Page 11
CIRCUIT DIAGRAM -POWER BOARD
Q702
9013
L704
FB
L708
FB
R738
47K
L709
FB
C712
103
C713
27P
R735
7K5/1%
R737
1K5/1%
C710
10P
C714
104
L712
47uH/2A
R712
0.47R/1W
EC701
100UF/25V
C711
104
EC702
220uF/10V
R711
1K
C709
104
1
IN
2
OUT
3
FB
4
SD5GND
6
GND
7
GND
8
GND
IC701
AP1509
D1
SK34(5819)
R734
100K
Q703
9013
6 1
2345
1
2
3
4
5
6
CON703
1
2
CON701
2P/2.5
61
2 3 4 5
1
2
3
4
5
6
CON702
6P/2.0
R736
12K/1%
EC705
100UF/25V
C715
10P
C723
10P
C724
10P
USB+5V
D+
D-
P20
USBDC-ON
DET
BATT12V
USBDC-ON
USBDC-ON1
WP
DET1
D+
D-
11
Page 12
PCB LAYOUT-MAIN BOARD TOP SIDE VIEW
12
Page 13
PCB LAYOUT-MAIN BOARD BOTTOM SIDE VIEW
13
Page 14
PCB LAYOUT-SERVO BOARD TOP SIDE VIEW
14
Page 15
15
PCB LAYOUT-SERVO BOARD BOTTOM SIDE VIEW
Page 16
PCB LAYOUT-PANEL BOARD TOP SIDE VIEW
16
Page 17
PCB LAYOUT-PANEL BOARD BOTTOM SIDE VIEW
17
Page 18
PCB LYOUT-TUNER BOARD TOP SIDE VIEW
18
Page 19
PCB LYOUT-TUNER BOARD BOTTOM SIDE VIEW
19
Page 20
PCB LAYOUT-IPOD CONTACT BOARD TOP SIDE VIEW
20
Page 21
PCB LAYOUT-IPOD CONTACT BOARD BOTTOM SIDE VIEW
21
Page 22
PCB LAYOUT-IPOD BOARD TOP SIDE VIEW
22
Page 23
PCB LAYOUT-POWER BOARD TOP SIDE VIEW
23
Page 24
PCB LAYOUT-POWER BOARD BOTTOM SIDE VIEW
24
Page 25
25
PCB LAYOUT-USB/AUX BOARD TOP SIDE VIEW
Page 26
26
PCB LAYOUT-USB/AUX BOARD BOTTOM SIDE VIEW
Page 27
SET EXPLODER VIEW DRAWING
Page 28
Tate 2012-1-12
NO、
3
No audio
output
4 Radio
abnormal
d、 To check the oscillation frequence of crystal XT001 of the tuner module,should be 32、7，8MHz、
b、 To check whether the unit is at MUTE mode, press SOURCE button and check whether it is effective of the input sound
source、
b、 To check whether the strength of then input signal of the tuner is too weak、
c、To check the 2 pin voltage of the IC401 should be +3 V3、
a、 To check the antenna of the AM/FM tuner、
e、 To check the voltage of 22 pin(MUTE) of power amplifier IC501(7388 IC) , normally should be +3V2、
d 、 To check the circuit of power amplifier IC501(7388 IC) and VOLUME IC402(7313 IC)、
c、 To check whether the connection of 8 PIN audio output wire of ISO connector is correct; wrong connection or short circuit
to the ground will caused the protection of the power amplifier( no voltage output)、
b、To check the connectors of the CON901CON202 whether the socket of it is loose、
a、 To check whether the ISO301(1，pin) connector of the tail of the unit is connect well , Whether it is loose of the 15A fuse of
the yellow wire, or insert non in place、
e、 To check the oscillation frequence of crystal CF201 shuold be 32、7，8KHZ、
a、To check the Panel PCB on the LCD driver IC (IC901) of the 5， pin power supply is normal, should be +5 V0、
Area All area
d、 To check each voltage regulator IC's output voltage is normal, IC303, 304 should be +9 V0 voltage output, IC302 should
+3 V3 voltage outputs, IC，05 should be +1 V2 voltage output、
1
LCD
Display
abnormal
2
Trouble shooting
Trouble shootingTrouble shooting
Trouble shooting
failure
phenomena
failure cause remark
Product Model CMD310
c、 To check the 5 pin voltage of the IC201(MCU) should be +5V0、
b、To check whether the LCD Panel iron bracket for loose、
NO Power
a、 To check whether the volume knob is turn to the minimum position、
28
Page 29
NO、
5
6 USB defective
AUX defective7
iPHONE
defective
b、 To check the AUX IN input signal、
c、 To check the CON402 connectors on the main board,whether the plugs of it is loose、
d、 To check the 1 pin voltage of the CON801,should be +2V9、
e、 To check the SW2 switch in the Dock box、
c、 To check whether there is any wearing and scratch of the shrapnel and pin of the panel USB、
b、 To check the SOURCE shoule be in iPHONE mode、
c、 To check whether it is normal when reading USB?
failure
phenomena
failure cause
remark
a、 To check the iPHONE connector and the Dock socket whether there is poor contact、
h、To check in the dock the CON701CON702CON703 connector ,whether the plugs of it is loose、
g、To check the 1 pin voltage of the CON703 in the dock, should be +5V0、
f、 To check the CON301 and CON801 connector on the main board , whether the plugs of it is loose、
Dock door
defective
a、 To check whether the USB signal format is correspond to the request of the unit、
b、 To check the voltage of the USB connector of the top first pin , should be +5V、
a、 To check the SOURCE shoule be in MP3-LINK mode、
d、To check the CON703 connectors on the main board , whether the plugs of it is loose、
a、Press the EJECT button, to do a pull and push the dock operation、
BT defective
9
a、To check the unit should be in pair with the BT phone connection status、
b、To check the 4 pin voltage of BT module,should be +5V0、
c、To check the 17PIN FFC flat cable in the panel to the main board, whether the plugs of it is loose、
8
29
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