Prology CMD220 User manual

Car Audio
Service
Service
Service Manual
TABLE OF CONTENTS
Page
Technical Specications ......................................................... 1-2
Measurement setup................................................................ 1-3
Service Aids, Safety Instruction, etc ............................. 1-4 to 1-5
Troubleshooting ...................................................................... 1-6
Disassembly Instructions & Service positions ...........................2
Set Block diagram ......................................................................3
Set Wiring diagram.....................................................................4
Key Board...................................................................................5
Servo Board................................................................................6
Main Board .................................................................................7
Set Mechanical Exploded view & parts list.................................8
CMD220

1-2
SPECIFICATIONS
General
Power supply 12V DC(11V-16V)
Test voltage 14.4V, negative ground
Maximum power output 50Wx4 channels
Continuous power output 25Wx4 channels (4 10% T.H.D.)
Suitable speaker impedance 4-8 ohm
Pre-Amp output voltage 4.0V(CD play mode: 1KHz, 0 dB, 10 K load)
Fuse 15A
ESP(optional) 30s(CD-DA)/120s (MP3)
Weight 2.38kg
Dimensions(WxHxD) 188x100x168mm
Aux-in ≥300mv
FM Stereo Radio
Frequency range 87.5 - 108.0 Mhz (Europe mode)
87.5 - 107.9 Mhz (USA mode)
Usable sensitivity 8 dB μ
Frequency response 30 Hz-15kHz
Stereo separation 30dB(1 kHz)
Image response ratio 50dB
IF response ratio 70dB
Signal/noise ratio 55dB
AM(MW) Radio
Frequency range 522-1620 khz (Europe mode)
530-1710 khz (USA mode)
Usable sensitivity(S/N=20dB) 30 dB μ
Disc Player
System Disc digital audio system
Frequency response 20 Hz - 20 kHz
Signal/noise ratio >86 dB
Total harmonic distortion Less than 0.20%(1 kHz)
Wowandutter Belowmeasurablelimits
Channel separation >60 dB
Components
Mounting collar 1
Wire connector 1
Operating instructions 1
Rubber cushion 1
Note:Specicationsandthedesignaresubjecttochangewithoutnoticeduetoimprovementsintechnology.

1-3
MEASUREMENT SETUP

1-4
HANDLING CHIP COMPONENTS

1-5

1-6
TROUBLESHOOTING
If you suspect something is wrong, immediately switch power off. Do not use the unit in abnormal condition, for example without sound, or with
smoke or foul smell, can cause re or electric shock. Immediately stop using it and call the store where you purchased it. Never try to repair the
unit yourself because it is dangerous to do so.
General
Disc
Radio
Error Display Messages
Car's engine switch is not on: Turn your car's key to ACC or ON.
Cable is not correctly connected: Check connection.
Fuse is burnt. Replace fuse: Check volume or mute on / off.
If the above solutions cannot help: Press the RESET button.
Disc is upside down: Place disc in the correct direction,and the label side up.
Disc is dirty or damaged: Clean disc or change another disc.
Disc is dirty or damaged: Clean CD or change another CD.
Mounting angle is over 30o: Adjust mounting angle to less than 30o.
Unstable mounting: Mount the unit securely with the mounting parts.
Station is too far, or signals are too weak: Select other stations of higher signal level.
Battery cable is not correctly connected: Connect the battery cable to the terminal that is always live.
Disc upside down.
Disc format is not support or le date is wrong, check the disc.
Disc mechanism error: Press button more than 2 seconds to eject the disc. In case that the disc
cannot be ejected by pressing button, press the RESET switch and press the button 2 seconds
to eject the disc. If still not ejecting, consult your dealer.
Disc is inside but
no sound.
Disc sound skips,
tone quality is low.
Sound skips due
to vibration.
Much noise in
broadcasts
Preset station
lost
No power or
no sound

2-1 2-1
DISMANTLING INSTRUCTIONS
1. Remove the front panel.
2. Remove the top, bottom cover and heatsank.
4. Loosen 4 pcs screw to remove the deck and mainboard.
Pull out the
FPC wire.
Loosen the 2 pcs screw
to remove the top cover. Loosen the 11 pcs screw
to remove the heatsank.
Loosen the 2 pcs screw
to remove the bottom
cover.
Loosen the 2
pcs screw.
Loosen the 2 pcs screw.
Pull out the 2
FPC wires.
Loosen the 2 pcs screw
to remove the mainboard.

2-2 2-2
DISMANTLING INSTRUCTIONS
Service Position A Service PositionC
Service Position B Service Position D

3 3
SET BLOCK DIAGRAM

4 4
SET WIRING DIAGRAM

5-1 5-1
LCD PIN CONNECTION
KEY BOARD
PIN SEGMENT DISPLAY
TABLE OF CONTENTS
LCD Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-2
Layout Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 5-4

5-2 5-2
CIRCUIT DIAGRAM - KEY BOARD

5-3 5-3
LAYOUT DIAGRAM - KEY BOARD
TOP VIEW
LAYOUT DIAGRAM - KEY BOARD
BOTTOM VIEW

5-4 5-4
ELECTRICAL PARTS LIST - KEY BOARD
Part No. Description
QTY
Location
121604000102
121604000103
121604000152
121604000181
121604000220
121604000221
121604000222
121604000331
121604000332
121604000471
121604000472
121604000473
121604000513
121604000681
121803010105
121806000225
121803000473
121803000681
142400000338
143010040449
121606000102
121606000471
121606000561
121604000000
121604000101
121604000392
121803000105
121658000111
143405000070
143210000055
143210000012
143405000067
142212010002
121490010119
143400010093
143820000117
123800010012
RES,1K? ,±5%,1/16W,0603
RES,10K? ,±5%,1/16W,0603
RES,1K5? ,±5%,1/16W,0603
RES,180? ,±5%,1/16W,0603
RES,22? ,±5%,1/16W,0603
RES,220? ,±5%,1/16W,0603
RES,2K2? ,±5%,1/16W,0603
RES,330? ,±5%,1/16W,0603
RES,3K3? ,±5%,1/16W,0603
RES,470? ,±5%,1/16W,0603
RES,4K7? ,±5%,1/16W,0603
RES,47K? ,±5%,1/16W,0603
RES,51K? ,±5%,1/16W,0603
RES,680? ,±5%,1/16W,0603
CAP,1µF,+80%,-20%,16V,Y5V,0603
CAP,2.2µF,+80%,-20%,16V,Y5V,0805
CAP,0.047µF,±10%,50V,X7R,0603
CAP,680pF,±10%,16V,X7R,0603
IC,SC75823E,QFP-64-14X14-0.8,SL
PCB,KB,CM420,FR4,1.6mm,171.0X188.2mm,GILDING
RES,1K? ,±5%,1/10W,0805
RES,470? ,±5%,1/10W,0805
RES,560? ,±5% ,1/10W,0805
RES,0? ,±5%,1/16W,0603
RES,100? ,±5%,1/16W,0603
RES,3K9? ,±5%,1/16W,0603
CAP,1µF,+80%,-20%,10V,Y5V,0603
ENCODER,EC11020M2D-HA1-013
LED,GREEN,GM-45GBOW4S,Φ3,LXS
TACTSW,11-0606-904P,220 ±70GF,6X6X5mm
TACT SW,4.3mm,TS-03-AH,250gf
WHITE,SBL-3LWRWA0-F1,20mA,3.2V(Φ3X4.1),SBO
PHOTO DIODE,IRM2,638AF4,5V/1.1
CD420,ZEBRA STRIP
LCD,DVD420,MASK TN NEGTATI
FFC,18PIN,1.0mm,100mm,B TYPE
18PIN,1.0mm,FPC SOCKET SMT TYPE, TOP CONNECT TYPE
2
1
2
2
5
2
1
2
1
2
3
2
1
2
1
1
1
1
1
1
22
2
12
4
1
1
1
1
19
18
1
3
1
1
1
1
1
R106 R115
R117
R107 R116
R101 R110
R118 R120 R121 R122 R144
R102 R111
R108
R103 R112
R109
R104 R113
R140 R141 R143
R124 R137
R142
R105 R114
C103
C104
C105
C101
IC101
R301~R302 R303~R306 R146~
R153 R160~R167
D126,D135
R155 R156~R157 R145 R154 R158
R159 R168 R169 R170 R172
R307~R310
R138
R139
C102
EN101
D127-D134 D136-D146
SW101-SW118
SW119
D101 D102 D105
IC102
LCD1
JK1

6-1 6-1
SERVO BOARD
TABLE OF CONTENTS
Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Layout Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Electrical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 6-4

6-2 6-2
CIRCUIT DIAGRAM - SERVO BOARD

6-3 6-3
LAYOUT DIAGRAM - SERVO BOARD
TOP VIEW LAYOUT DIAGRAM - SERVO BOARD BOTTOM VIEW

6-4 6-4
ELECTRICAL PARTS LIST - SERVO BOARD
Part No. Description
QTY
Location Part No. Description
QTY
Location
133010020342
121604000000
121604000101
121604000103
121604000104
121604010105
121604000151
121604000183
121803000180
121604000222
121604000331
121604000333
121604000393
121604000470
121604000473
121604000561
121604000562
121604000563
121604000056
121608000010
121803000100
121803000102
121803000103
121803000104
121803000105
121803000222
121803000022
121803000330
121803010331
121803000391
121803000047
121803000821
142206000020
142251000001
142245000048
142400000332
142400000504
142400000440
142400000339
142400000442
143800000006
121604000683
144840030017
121830020106
PCB,SB,CM703RS,FR4,109.8X109X1.2mm
RES,0? ,±5%,1/16W,0603
RES,100? ,±5%,1/16W,0603
RES,10K? ,±5%,1/16W,0603
RES,100K? ,±5%,1/16W,0603
RES,1M? ,±1%,1/16W,0603
RES,150? ,±5%,1/16W,0603
o
RES,18K? ,±5%,1/16W,0603(Temp Stability±100%PPM/ C
CAP,18pF,±5%,50V,NPO,0603
RES,2K2? ,±5%,1/16W,0603
RES,330? ,±5%,1/16W,0603
RES,33K? ,±5%,1/16W,0603
RES,39K? ,±5%,1/16W,0603
RES,47? ,±5%,1/16W,0603
RES,47K? ,±5%,1/16W,0603
RES,560? ,±5%,1/16W,0603
RES,5K6? ,±5%,1/16W,0603
RES,56K? ,±5%,1/16W,0603
RES,5? 6,±5%,1/16W,0603
RES,1? ,±5%,1/8W,1206
CAP,10pF,±1%,50V,NPO,0603
CAP,1nF,±10%,16V,X7R,0603
CAP,0.01µF,±10%,50V,X7R,0603
CAP,0.1µF,+80%-20%,16V,Y5V,0603
CAP,1µF,+80%,-20%,10V,Y5V,0603
CAP,2200pF,±10%,50V,X7R,0603
CAP,2p2F,±5%,50V,NPO,0603
CAP,33pF,±5%,50V,NPO,0603
CAP,0603,330p,16V,±5%,NPO
CAP,390pF,±10%,50V,X7R,0603
CAP,4.7pF,±0.5P,50V,NPO,0603
CAP,0603,820pf,±10%,16V,X7R
SW DIODE,1N4148,25mA.0.9V,100V,MINI-MELF
TR,2N3904(NPN).SOT-23
TR,MMBT3906LT1,SOT-23,PNP
IC,SAC4504,28-SSOPH-375B,COSMD
IC,UTC1117-3.3V,SOT-23,UTC
IC,µPD63712,100-LQFP,NEC
IC,SDRAM1MX16 HY57V161610E,TSOP11-50,HYNIX
IC,MLC3190,128-LQFP,MCS LOGIC
15PIN,1.0mm,FPC SOCKET SMT TYPE TOP CONNECT TYPE
RES,68K? ,±5%,1/16W,0603
DECK,CL-C01FY7(SHINWA)
o
E.CAP,10µF,±20%,4X5.5,16V,85 C
1
4
10
23
3
1
1
2
2
8
2
6
1
2
9
1
3
1
1
4
1
2
2
31
1
2
1
2
2
1
1
2
1
7
1
1
1
1
1
1
1
1
1
6
R43 R85 R87 R27
R52 R53 R60 R61 R62 R67 R68
R69 R70 R82
R10-R15 R17-R19 R44 R47 R48
R51 R55 R56 R59 R7 R72 R73
R74 R75 R8 R9
R39 R40 R77
R81
R1
R21 R22
C69,C70
R2 R45 R46 R50 R54 R57 R58 R79
R32 R33
R30 R31 R64 R65 R83 R84
R6
R28 R29
R34-R38 R63 R71 R76 R78
R16
R20 R3 R4
R49
R5
R23-R26
C1
C17 C18
C14 C27
C10 C13 C16 C23 C32 C33 C35
C36 C37 C39 C4 C40 C44 C5 C51
C52 C53 C55 C56 C57 C58 C60
C61 C62 C63 C64 C65 C66 C67
C68 C7
C15
C30 C31
C2
C8 C9
C19 C20
C11
C50
C3 C41
D3
Q10 Q11 Q12 Q5 Q6 Q7 Q8
Q1
IC1
IC6
IC2
IC4
IC3
CON1
R80
C24 C25 C26 C45 C54 C59
121830020107
121830040476
143405000004
142820000008
143210000004
123820000214
123825000388
121298000020
142254000018
142400000228
123830000031
83826CM420IC000
142400000355
83826CM703RIC010
142400000005
o
E.CAP,100µF,±20%,6.3X5,16V,105 C
o
E.CAP,47µF,±20%,5X5,16V,105 C
INFRARED RECEIVER,IR928-6C
o o
CRYSTAL,16.9344MHz,±30ppm,-20 C~+70 C,CL=18pF,HC-49/US
DETECT SW,SW111
FFC,16PIN,1.0mm,150mm,TYPE"E/A"
WIRE,2PIN,26#,300mm,RED/WHITE,LINE OUT
CM420,PVC
TR,BD435,TO-126C(CJ)
IC,LM7808,REGULATOR,KEC
CD101,16PIN,PWR/SPK(ISO SOCKET)
CM420 OTP IC Assm
IC,ST72F321AR9TA,TQFP64,10X10,ST
CM703R FLASH V1.0 IC Assm
IC,39VF040,32-TSOP-WH-7,SST
3
2
2
1
1
1
1
1
1
1
1
1
1
1
1
C21 C22 C34
C12 C6
D1 D2
XT1
S1
CON2
CON802
Q803
U402
U401
U401
IC5
IC5

7-1 7-1
MAIN BOARD
TABLE OF CONTENTS
Circuit Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-2
Layout Diagram. . . . . . . . . . . . . . . . . . . . . . . 7-3 to 7-4
Electrical Parts List. . . . . . . . . . . . . . . . . . . . 7-5 to 7-6

7-2 7-2
CIRCUIT DIAGRAM - MAIN BOARD