Daewoo DPC-7400 Series User manual

No.:
Revision:0.1
Date:
Service Manual for
PortableDVDDPC-7400 Series
NameofCompanyDAEWOOELECTRONICS CORP.
Approved by
SIGNATURE
/
DATE
APPROVED BY
DATE
/
REVIEWED BY
/
PREPARED BY
Elliott Chang
Please return 1 copy for our confirmation
with your signature and comments.



Revision Record


Date Rev No Section
Description
17/Oct./20050.1Newedition
Design and specifications are subject to change without notice.
All trademarks used in the specifications are the property of their respective owners.

1. General Descriptions ……………………………………………………
1.1. Model Features……………………………………………………………… ….
1.2. Information………………………………………………………………………
2. Electrical Characteristics………………………………………………
2.1. Optical Characteristics
……………………………………………………………
2.2. Electrical Characteristics …………………………………………………… …..
2.3. System Block Diagram ………………………………………………………… .
3. Power……………………………………………………………………….
3.1. Power Supply ………………………………………………………………… ….
3.2. Rechargeable Battery . ………………………………………………………… ….
4. Dimension & Physical Characteristics…………………………….
4.1. Outline Dimension…………………………………………………………… ….
4.2. Physical Characteristics ……………………………………………………… …..
4.3. Exploded View
……………………………………………………………………
5. Regulatory Standards…………………………………………………..
5.1. Safety …………………………………………………………………………… ..
5.2. EMI ……………………………………………………………………………… .
5.3. Ergonomics……………………………………………………………………….
6. Service Tools and Equipment……………………………………….
6.1. Service
Tools and Equipment
. ………………………………………………….
6.2. Storing and Handling Test Discs … ……………………………………………..
6.3. Notes … ………………………………………………………………………… ..
7. Spare Parts……………………………………………………………….
7.1. key Parts List .. ……………………………………………………………………
8. Anexo …………………………………………………………
1
1
2
3
3
3
4
11
11
11
13
13
13
14
15
1515
15
16
1616
17
19
19
20

- 1 -
1 General Descriptions
1.1 Model Features
Video: DVD Playback, MPEG4(option) ,DivX(DivX Model),Kodak Picture CD compatible
& JPEG readable
Audio: CD, CD-R, CD-RW, MP3, WMA Playback
Firmware Upgradable
Dolby Digital Output
7" active-matrix TFT screen, 16:9 wide aspect ratio
Composite Video Output
Ultra dimension & light weight: 200mm(L) x 155mm(W) x 38mm(H) / 900g (around)
Slim size wireless remote control
Rechargeable battery pack
12-volt car cigarette lighter cable
Universal AC/DC power adapter
Audio/video cable for TV connection
Built-in stereo speakers
Two Stereo headphone jack
Parental Lock
-15-
 Anti Shock Protection

- 2 -
1.2 Information
DiskFormatDVD,VCD,CD,MP3,CD-R,CD-RW,MPEG4 (OPTION),
DivX(DivX Model),WMA
VideoSystemNTSC/PAL/Auto
Video Decompression MPEG-2 (ISO/IEC-13818), MPEG-1
VideoOutput800~1200mVpp/75 ohm
AudioCharacteristic2-ChannelAnalog
Analog Output1.0~2.0Vrms/10K ohm
FrequencyResponseDVD:48kHzSampling:20Hz-20kHz
CD:20Hz-20kHz
S/N Ratio <= -65dB
Dynamic Range <= -85dB
Audio Output Noise &Distortion Less than<= 0.01%
DigitalOutputSPDIF
HeadphoneJack32ohm(30Mw)>8ohm
LCD Display 7” active-matrix TFT type
Audio / Video Section Audio input/output x1
Video input/output x1
S-Video/Coaxial outputx1
Audio Section Digital Output: Coaxial x1
HeadphoneJackHeadphoneJackx1
LineVoltageAC100~240 VAC±10%(50/60Hz), (Adapter)
PowerConsumption 12W(DC 12V,1.0A)
RemoteControlDC3VInfra-red
Dimensions200mm(L)x155mm(W)x38mm(H)
Weight900 g(around)
Accessories Slim Size Remote Controller with 3V Battery
12-volt Car Cigarette Lighter Cable
Universal AC/DC Power Adapter
Audio Cable / Video Cable
Ni-MH RechargeableBatteryPack
S-video/Coaxial cable

- 3 -
2 Electrical Characteristics
2.1 Optical Characteristics
Parameter Specifications Unit
Screen Size 7.0 (16:9 diagonal) inch
Display Format 1400 (H) 234 (V) dot
ActiveArea154.08 (H)86.08(V)mm
DotPitch0.107 (H)0.370(V)mm
Pixel Configuration Stripe
OutlineDimension166.0(W)100.0(H)7.2(D)(typ.)mm
Surface Treatment Anti-Glare and Hard Coating
Weight 180 ±10 g
2.2 Electrical Characteristics
DVD/ SVCD/ VCD/ CD system decoding, packeted element streams and audio, video element
streams.
Fully digital servo processing (focusing, tracking, sledge and spindle servo control)
Fully digital calibration (focusing/ tracking offset and balance)
Digital phase lock loop with phase equalizer
Support Audio/ Video/ Photograph decoding and programming
Programmable Y/C delay relationship

Embedded micro-controller, up to 50MHz operating frequency

1.8V and 3.3V dual power supply, 208 pin PQFP

- 4 -
2.3 System Block Diagram
2.3.1. The System Block Diagram & the Block's Function Description
DC ToDC
MP1580
1.Loader
DM-520A
2. Servo +MPEG
MT1389D/MT1389C
DISPLAY
7”TFT LCD
PW070XU3
INVERTER
TFT LCD Driver
IR3Y29B +HX8806

-5-
2.3.2 Schematic Circuit Diagram
(1)POWER_MPS
1
DELETA
9VIN
+3.3V
+5V
NCTR_5V
CTR_5V
LDO_AV33 RFV33
NCTR_5V
9VIN
+5V +3.3V
CTR_5V
NCTR_5V
+3.3V
RFV33
+3.3V
LDO_AV33
RM4 39K
QM1 OPEN/3904
1
2 3
UM1
MPS1580
1 2 3 4
8 7 6 5
BS Vin Vsw GND
Sync
EN
Comp
FB
CM7 220uF/6.3V/LU
D1 LED1
1
3
2
C135
22uF
C4
10uF
UM2
MPS1580
1 2 3 4
8 7 6 5
BS Vin Vsw GND
Sync
EN
Comp
FB
LM46.8uH
RM7 OPEN
R1
330O
+
C120 220uF/6.3V/lu
RM3 30.9K
RM12 OPEN/10K
CB59 0.1uF
RM11 4.7K/open
+
C121 220uF/6.3V/lu
L26 FB
RM110K 1%
R156
4.7k/open
CB60 0.1uF
RM10 10K
RM8 16.9K
L27 FB
RM9 OPEN
RM2 33R
Q1 3904
1
2 3
CM30.022uF
CM1
0.01uF
CM5 100pF
CM10 100pF
CM90.022uF
CM8 0.01uF
RM610K 1%
LM2 6.8uH
RM5 10K C136
22uF
C119
10uF
DM1
DIODE
1 2
CM2
100uF/10V/LU
DM2
DIODE
1 2
LM1
22uH
LM3
22uH
R2 330O

-6-
(2) POWER FOR TFT
1 1
1
1 1
1 1
-10V_TFT
+15V_TFT
+7.5V_TFT
VSYNC#
POWDET_MCU
+3.3V_TFT
+5V_TFT+5V_TRAN
VIN
+3.3V +5V
V18
+3.3V_TFT
+5V_TRAN
9VIN
VOUT
9VIN
CTR_LOAD
CTR_AUDIO
POWDET_MPEG
CTR_TFT5V
POWDET_MCU
+5V_TRAN
HSYNC#
VCC
+5V_TFT
+7.5V_TFT +3.3V_TFT
-10V_TFT
VCC
+15V_TFT
+3.3V
V18
+3.3V
+5V
9VIN
POWDET_MCU
POWDET_MPEG
CTR_LOAD
CTR_AUDIO
POWDET_MCU POWDET_MPEG
CTR_TFT5V
+5V_TRAN
CTR_TFT5V
+3.3V +5V
+7.5V_TFT
+5V_TRAN
-10V_TFT
+15V_TFT
+3.3V
+3.3V
+3.3V
+
C13
47uF/25V/LU
C15
0.1uF
C118 0.1uF
+
-
U3A
LM393
3 21
84
C7
100uF/10V/LU
R3 10k(8.2K) R8 0(1.8K)
R9 3.9K
L2 20uH
Q2
BSH105
1
32
C1 100uF/6.3V/LU
R15
1.6M
U1 RT9167A-185CS
1 2 3
4
5
6
7
8
SHDN- IN OUT
BP
GND
GND
GND
GND
R6 3.3K
R18 560K
C18 0.1uF
+
-
U3B
LM393
5 67
84
C17 1000pF
D4 1N5819
1 2
L1 20uH
Q18 OPEN/3904
1
2 3
C2 0.1uF
C11 22uF/25V/LU
J1
POWERJACK
1 3 2
C5
0.01uF
R11 20K
R158 330O
C10
47uF/25V/LU
CON1 BATTERY
2 1 3 4
VIN
GND
OUT
PDET
R5 3K
+
C9 47uF/25V/LU
U6 BA05SFP
4 5
3
2 1
6
VOUT
NC
GND
VIN CTL
GND
R7 3K
+
C16
100uF/16V/LU
R157 OPEN/10K
D2
RB053L-30
1 2
R159 4.7K/open
R13 20K
R160
4.7k/open
C3
47uF/25V/LU
D3 1N5819
1 2
C6 100uF/6.3V/LU
R12 220R
C12
0.1uF
U22
RT9262
1
2
3 4
5
6
7
8
GND
EXT
LFB LDOO
FB
VDD
LX
CE
R4 47K
U5
TER9.5*100M
1
3
6
5
7
8
1
3
6
5
7
8
R16
0R
R10 47K
R14
1M
R17 200K
D5 1N5819
1 2
C14 0.1uF

1
1
1
1
Tr-
10
VR GND GND
C
C
8 9 11
B GND
RS-232
3 24 6 19 5
PD
17
Vcc
V1.7
18
B
C
15
Vs(Vc) LD(DVD)
HOP1200/1200N(1240)
D
16
A
1
14 1
GND(NC)
2
VR F
7 20
E
12
Vcc
21 Fo+
Very Important to reduce Noise
22
2SB1132
VRF(1.4V)
23 Tr+
HITACHI HOP1200/1200N(1240)
C15 closed to Pin186
PD(Monitor) LD(CD) E
4 13
2
Fo-
3
AUDIO INTERFACE
MEMORY FLASH
IIC
VIDEO INTERFACE
DQM[0..1] A[0..21]
AD[0..7]
BA[0..1] DQ[0..15] ASDAT[0..2]
Y[3..6]
MA[0..11]
DMO
V1P4
XO
XI
DCKE CS#
SCL
FS0
PRD#
SDA ASPDIF
AL
PCE# ALRCK PWR#
URST#
ABCK
CAS#
CTR_TFT5V VSCK VSDA
PWR# MUTE_DAC PCE# WE# DCLK
ACLK
AR
RAS#
VSYNC#
HSYNC#
FMO
D
FOO
TRIN
XO
C
ADIN
B
LIMIT
DMSO
XI
STBY
TRO
V1P4
DMSO
TROUT
A C
DQ0
AR
DACVDD3
JITFN
DQ14
OPO
BA0
TRSO
MA1
V20
V18
V1P4
LDO2
A4
Y4
TEZISLV
FMO TROPEN
T+
DMO
JITFN
A17
RFVDD3
DQ15 DQ13
VSTB
AD5
SL-
SDA
A15
TEO
SUBD
V1P4
RFVDD3
FMSO
LD-CD
A
LD-DVD
A5
XTALI
DQ6
RXD
A10
A1
A13
AD3
DQ10
MUTE_DAC
B
V1P4
A7
A16
MDI1
RFO
PLLVDD3
A2
FS
MA5
VSDA
UWR#
DQ11
SCL
MA4
AVCC1
DACVDD3
APLLVDD3
AD4
OP+
JITFO
MA3
SL-
V1P4
ASDAT2
SUBC
Y5
DQ3 DQ9 CAS#
TXD
MDI2
OP-
Y3
AD1
LDO1
E
PLLVDD3
RFVDD3
DQ7
A21
SL+
SP-
ALRCK
MA10 MA9
RFON
PRD#
MDI2 E
HSYNC#
IR
AL
FS0
DQ4
FMSO
RFV18
APLLVDD3
V20
LDO1
V20
RxD
B
VSYNC#
Y6
F+
A
ASDAT1
V18
MA6
RFOP
MA8
AD6
A12
F-
AVCC1
STBY
RESET#
TRSO
CS#
SUBA
SP-
DQ2 BA1
AD7
A11
A9
RFVDD3
DQ8
VSCK
ALE
PWR#
V2P8
SP+
OPO
RGB_SWITCH
ADIN
F
FOSO
FOO
SL+
TRO
DQ1
FOSO
LIMIT
DCLK
D
ACLK
INT0#
RFVDD3
RFO DQ5
URST#
URD#
V2P8
A6
OP+
V1P4
FEO
ASPDIF
A14
V1P4
DACVDD3
ADACVDD3
DCKE
ADACVDD3
A19
XTALI
MA11
VREF
A18
MA2
ASDAT0
SP+
F
A8
AD0
A3
SUBB
RFV18
DQM1 MA7
A20
DQM0
TRCLOSE
OP-
DQ12 WE# MA0
T-
ALRCK
RAS#
AD2
PCE#
ICE
ABCK
A0
D
LDO2
TxD
C
JITFO
MDI1
RFV33
TRIN
TRCLOSE
TROUT
CTR_5V TROPEN
INT/EXT
INT/EXT
IR
ACLK ASDATA3 MC_DATA ASDATA2
RESET#
GND
ABCK
ASDATA2
VSCK
VSTB VSDA
LDO_AV33 RFV33
+3.3V
DV33
+3.3V
DACVDD3
GND GND
VSDA ACLK [5]
PWR# [3]
URST# [1]
PCE# [3]
CAS# [3]
MA[0..11] [3]
FS0 [4]
ABCK [5]
CTR_TFT5V [5]
A[0..21] [3]
MUTE_DAC [5]
PWR# [3] SDA [3]
AD[0..7] [3]
BA[0..1] [3] DQM[0..1] [3]
ALRCK [5]
PRD# [3]
AR [5]
PCE# [3]
DCLK [3] WE# [3]
Y[3..6] [ 5 ]
ASPDIF [4]
CS# [3] RAS# [3] DCKE [3]
VSCK
AL [5]
ASDAT[0..2] [5]
SCL [3]
AVCC [1 ]
DQ[0..15] [3]
HSYNC# [ 4 ] VSYNC# [ 4 ]
INT/EXT [5]
VCC MO_VCC
LDO_AV33
DV33
+3.3V
RFV33
V18
MO_VCC
V18
ADACVDD3
MO_VCC
V18
V18
V18
AVCC
+3.3V
VCC
RFV33
LDO_AV33
V33
DV33
DV33
DV33
+3.3V
DV33
DV33
DV33
+3.3V
DV33
AVCC
VCC
TP6
TP23
TP12
C77 0.1uF
L34 FB
C82 0.47uF/N.C
C105C
TP15
R200 33k
L41 FB
CB86 0.1uF
TP43
TP32
C100 1uF
+
CE56 47uF/16v
TP13
R197 4.7
R190 10k
C8 +c88=17nf 0603C
+
C19 47uF
L51 FB
CB90 0.1uF
TP39
TP16
C114 1000p
CB75 0.1uF
L52 FB
+
CE46 10uF/25v
R191 1k 0603R
R194 0
+
CE49
1000uF/10v
CB79 0.1uF
CB107 0.1uF
CB88 0.1uF
CB108 0.1uF
C98 1uF
C97 1uF
R202 10k
TP33
+
CE78 220uF/16V
TP31
C84 1000pF
R178 0
CB83 0.1uF
+
CE77 220uF/16V
R181 1
L42 2.7u, DIP
TP30
C75 0.01uF
CB92 0.1uF
TP44
C72 2200pF
CB74 0.1uF
R173 150k
R196 10
R182 2K
TP9
CB70 0.1uF
TP5
+
CE54 100uF/16v
TP19
R215 10k
C94 0.1uF
C81 1500pF 0603C
R199 33k
R172 150k TP8
TP3
+
CE55 47uF/16v
+
CE52 47uF/16v
TP14
C110
0.015uF
+
CE1
+ce49=1000uf
R218 100k
TP47
CB73 0.1uF
R28
4.7K
CON2
CONTROLBORD,11P,PITCH=1.5MM
1 2 3 4 5 6 7 8 9
10 11
1 2 3 4 5 6 7 8 9 10 11
TP40
Y1 C27MHz
1 2
+
C79 10uF/25v
TP52
TP18
C104 0.1uF
L50 FB
TP37
R177 R
D6
1N4148
1 2
R23
100k
TP29
R179 0
C71 390pF
R192
R
R204 1
C112 150pF
+
CE53 47uF/16v
TP45
R183 4.7k
R210 10k
TP38
R193 R
C109
0.1uF
CB85 0.1uF
U38 BA5954
1 9 10 12 3 2
15
7 14 13
21 19 20 24 27
6 4 5
28
8 11
17 18 16 23 22 25 26
2930
VINFC
PVCC1
PGND
VOSL+
CF2 CF1
VOTK+
VNFFC VOFC+
VOFC-
PVCC2 PGND VNFTK CTK2 BIAS
VOSL
VINSL+
VINSL-
STBY
VCC
VOSL-
VOLD+ VOLD- VOTK- VINLD PREGND CTK1 VINTK
G1G2
CB89 0.1uF
R211 20k
C73 0.1uF/N.C
C101 1uF
R174 680k
TP27
R22
39k
CB200 0.1uF
TP21
R212 20k
R203 1
R21
0
CB76 0.1uF
TP42
+
CE47 10uF/25v
CB81 0.1uF
IR1
3
2
1
C102 C
Q26
2SB1132
1
32
R168 680k
R187 0
+
CE16
100uF/6.3V/LU
C108 330pF
CB77 0.1uF
TP17
CB78 0.1uF
L37 FB
CB93 0.1uF
C111 150pF
C33 100pF
R175 15k
TP1 URST#
C90 0.033uF
L36 10uH 3216
L39 10uH
TP2
CB82 0.1uF
CB72 0.1uF
R195 10
R206 1
C95 0.1uF
R220 0
U20A 74HC04
1 2
147
L38 FB
CB87 0.1uF
L40
10uH R198 4.7
CB95 0.1uF
C99 1uF
C91 0.047uF
CB91 0.1uF
R170 100k
TP4
C116 22p
R205 1
TP49
MT1389D
U17 MT1389D UQ216
2
210
3 4 5 1
212
213
6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
216
28 27 30 29 32 31 43 26 25 33 34 35 36 42 41 45 39 40 46 38 37
65
64
62
61
60
59
58
52
81
77
76
55
74
73
72
71
63
83
53 54
70
57
82
75
66
68
80
69
56
67
84
85
86
87
88
89
90
91
92
93
94
95
106
96
97
204
205
98
99
100
101
102
103
104
105
107
108
162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 137 138 136 135 134 133 132 131 130 129 128 126 127 125 124 123 122 121 120 118 119 117 116 115 114 113 111 112 110 109
209
215
24
214
191
190
198
197
208
207
196
211
206
203
201
202
200
199
194
195
192
184
185
182
181
180
179
186
178
177
175
173
174
164
171
170
169
168
172
167
166
165
163
193
44 47 48 49 50 51
78
79
176
183
188
189
187
DVDA
CRTPLP
DVDB DVDC DVDD AGND
OSP
OSN
DVDRFIP DVDRFIN MA MB MC MD SA SB SC SD CDFON CDFOP TNI TPI MDI1 MDI2 LDO2 LDO1
AVDD3
V2REFO SGND VREFO V20 TEO FEO FG/ADIN1 RFLVL/RFON CSO/RFOP TEZISLV OP_OUT OP_INN OP_INP FOO TRO GPIO1 TROPENPWM PWMOUT1/ADIN0 GPIO2 FMO DMO
HIGHA4
HIGHA5
HIGHA7
DVDD3
A16
IOWR#
DVDD3
IOA6
AD6
AD2
AD1
IOA18
DVSS
IOOE#
IOA1
DVSS
HIGHA6
ALE
IOA7 HIGHA0
IOCS#
IOA19
IOA21
AD0
HIGHA3
HIGHA1
AD5
IOA20
DVSS
HIGHA2
DVDD18
AD7
A17
DVDD3
IOA0
UWR#
URD#
UP1_2
UP1_3
GPIO6
UP1_4
UP1_5
IR
UP1_6
DVSS
ADCVDD3
ADCVSS
UP1_7
UP3_0
UP3_1
UP3_4
UP3_5
GPIO7
ICE
PRST#
INT0#
DVDD3
ACLK
ABCK DVSS
GPIO5 GPIO4 GPIO3
DVDD18
RA4 RA5 RA6 RA7
DVDD3
RA8 RA9
RA11
CKE
RCLK
DVSS
RA3
DVSS
RA2 RA1 RA0
RA10
BA1
DVDD3
BA0
RCS#
RAS#
DVDD18
CAS#
RWE#
DVSS
DQM1
RD8
RD10
RD9
RD11 RD12
DVDD3
RD13 RD14
DVSS
RD0
RD15
RD1 RD2
DVSS
RD3 RD4 RD6 RD5 RD7
DQM0
HRFZC
IREF
SVDD3
RFGC
RFGND18
ADACGND
IDACEXLP
PLLVSS
RFRPAC
RFRPDC
JITFN
RFGND
RFVDD3
LPFOP
LPFIP
LPFIN
LPFON
PLLVDD3
XTALI
JITFO
RFVDD18
APLLCAP
APLLVSS
R
B
DACVSSA
G
ADACVDD3
DACVDDA
DACVSSB
CVBS
FS
DACVSSC
ASDATA0
DACVDDC
SPDIF
MC_DATA
DVDD3
VREF
ASDATA3
ASDATA2
ASDATA1
ALRCK
XTALO
GPIO0 IOA2 DVDD18 IOA3 IOA4 IOA5
AD3
AD4
DACVDDB
APLLVDD3
VCM
AL
AR
R201 15k
R188 0
+
CE100 220uF/16V
C93 0.1uF
C80
10uF/10v
R185 10k
TP25 +
CE58 47uF/16v
C103 1uF
TP41
C83 2200pF
R176 6.8
R169 0
R72 10K
CB80 0.1uF
TP22
C78 20pF
C106 0.1uF
TOP
HA1
HEADER 24 SMD0.5 TOP
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
SW1 PUSHBUTTON
1 4
2 3
CB71 0.1uF
R167 0
C87 0.1uF
C92 0.047uF
+
CE51 47uF/16v
R217 R
R19 0
U20B 74HC04
3 4
147
TP51
L33 FB R166 750k
K1
POWERON/OFF
23
1
J6 6x1 W/HOUSING_180
1
2
3
4
5
6
TP34
J8
4x1 W/HOUSING
1 2 3 4
TP24
TP50
R155
10K
C107 330pF
C115 C
TP26
C74 0.1uF
C76 2200pF
TP11
SW2
TFT_SWITCH
1 4
2 3
TP35
R189 0
TP10
CB84 0.1uF
R69
10K
C89 0.1uF
TP20
TP46
L4 FB
+
CE48 100uF/16v
C88 16800PF 0603C
Q25
2SB1132
1
3 2
R20 0
TP48
L3 FB
C117 22p
TP28
R209 20k
-7-
(3) SERVO&MPEG