Daewoo DLP 3022 Schematic
DLP3022001
30” LCD
Model : DLP-3022
(Liquid Cystal Display)
TV
JUN. 2004
DLP-3022 SERVICE MANUAL
CONTENTS
REVISION…………………………………………………………..4
SPECIFICATION ..………………………………………………...5
CONTROL DESCRIPTIONS …………………………………….7
REMOTE CONTROL BUTTONS ………..……………….……..9
TELETEXT FUNCTIONS …………………………..…………….10
PIN CONFIGURATION……………………………………………11
FACTORY MENU…………………………………………….….…20
WHITE BALANCE ADJUSTMENT…..…………….……….……31
DESCRIPTION OF SPECIAL FUNCTIONS……………….…….34
CIRCUIT OPERATION & WAVEFORM……………………….….36
MODULE POWER SEQUENCE …………………...….………….43
MODULE PRECAUTIONS…………………………………………44
EXPLODED PREVIEW……………………………………………..45
REPLACEMENT PARTS LIST(exploded preview)…………….46
DISASSEMBLY PROCEDURE…………………………………….48
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DLP-3022 SERVICE MANUAL
PARKING OVERVIEW………………………………………………53
REPLACEMENT PARTS LIST(parking overview)………………54
TROUBLE SHOOTING………………………………………...……55
REPLACEMENT PARTS LIST.…………….………….……..……..57
..
INSPECTION CRITERIA……………………………….…….………66
RS-232C COMMUNICATION..………………………………………67
BLOCK DIAGRAM……………..……………………………….…….72
WIRING DIAGRAM……………………………………………………73
REVISION HISTORY
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DLP-3022 SERVICE MANUAL
VERSION
00
DATA DESCRIPTION NOTE
2004.06.07 개 정
Note : Specification and others are subject to change without notice for improvement.
TV
1.Input Signal :
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DLP-3022 SERVICE MANUAL
PAL
SECAM
SD,HD
VGA ~SXGA
2. Tuner : PAL
SECAM
3. Input Voltage : AC 100V ~ 240V, @ 50/60Hz, 2A
4. Power Consumption : 150W
5. LCD Module : V296W1 - ### (CHIMEI)
6. Speaker Impedance : 8Ω
7. Sound Output : 7W + 7W (Max)
8. Feature :
- AV Input
- Component1 Input (DVD)
- Component2 Input (DTV)
- D-SUB (Analog RGB 15 pin)
- S-Video Input
- Composite Input
- SCART1 Input (Full/RGB,CVBS)
- SCART2 Input (Half/CVBS)
- Tuner (PAL,SECAM)
- Audio Input (Composite, Component 1/2, S-Video, PC)
- RS-232C (9 pin)
9. Function :
- ZOOM
- PIP
- PBP (4:3,16:9)
- MTS
- TELETEXT
10. External Interface
1) AV / COMPONENT Input
ITEM MIN TYP MAX UNIT
AV Video Input Level 0.85 1.00 1.15 Vpp
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DLP-3022 SERVICE MANUAL
AV Sync Input Level 0.24 0.29 0.32 Vpp
AV Burst Input Level 0.14 0.28 0.35 Vpp
AV Video Input Level 0.47 0.63 0.79 V
AV Audio Input L/R 0.47 0.63 0.79 V
Component Video Input Level
(Y,Cb/Pb,Cr/Pr)
Analog RGB Level 0.6 0.7 0.8 Vpp
2) H/V Sync Input Level
ITEM MIN TYP MAX UNIT
H/V Sync Input Level 3.5 3.7 4.5 Vpp
3) COMPONENT Mode (Y,Cb/Pb,Cr/Pr)
RESOLUTION H-Freq(KHz)
720*480 15.73 60.00 480i
720*576 15.63 50.00 576i
720*480 31.47 59.94 480p
1280*720 45.00 60.00 720p
1280*720 44.96 59.94 720p
1920*1080 33.75 60.00 1080i
1920*1080 33.72 59.94 1080i
4) SUPPORTING DISPLAY Mode
RESOLUTION H-Freq(KHz) V-Freq(Hz)
640*480
720*400 31.47 70
800*600
1024*768
1280*1024 64.00 60
V-Freq(Hz) Timing Note
0.6 0.7 0.8 Vpp
Component1
(DVD)
Component2
(DTV)
31,47 60
37.86 72
37.50 75
35.15 56
37.88 60
48.88 72
46.88 75
48.36 60
56,48 70
60.02 75
CONTROL DESCRIPTIONS
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REMOTE CONTROL BUTTONS
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Teletext Function
DLP-3022 SERVICE MANUAL
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2 ( SOURCE )
DLP-3022 SERVICE MANUAL
PIN CONFIGURATION
1. A/D BOARD PIN CONFIGURATION
# I : Input Port, O : Out Port, G : Ground, I/O : Input / Output Port, NC : Not Connected
Pin No I/O Specification Description
1 ( +12V ) I +12V MAIN B/D 12V Input
2 ( +12V ) I +12V MAIN B/D 12V Input
CON4
CON2
3 ( AC_DET ) I +3.3V
4 ( GND ) G GND Ground
5 ( GND ) G GND Ground
6 ( GND ) G GND Ground
7 ( S5V ) I S5V Stand-by 5V Input
8 ( GND ) G GND Ground
9 ( BRITE_ADJ ) O
10 ( GND ) G GND Ground
11 ( BKL_ON ) O BACKLIGHT_ON LCD Backlight ON (ON:high, OFF:low)
12(POWER_
ON/OFF )
1 ( GND ) G GND Ground
2 ( LEDG ) O LED_GREEN GREEN LED CONTORL OUTPUT PORT
3 ( LEDR ) O LED_RED RED LED CONTORL OUTPUT PORT
4 ( IR ) I 5V / 0V
5 ( GND ) G GND Ground
6 ( VCC ) O 5V / 0V OSD B/D 5V Output
BRIGHTNESS_ADJUST LCD Brightness Adjustment(Min:3V , Max:0V)
O POWER_ON/OFF POWER ON_OFF Control ( ON:low, OFF:high)
AC_DETECT PIN (입전시:high, 정전시:low)
: High : Green LED On
: High : Red LED On
IR RECEIVER SIGNAL INPUT PORT
1 ( POWER ) I 3.3V / 0V
I
3 ( MENU ) I
CON1
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4 ( CH+ ) I
5 ( CH- ) I
6 ( VOL+ ) I
7 ( VOL- ) I
8 ( GND ) G GND Ground
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3.3V / 0V Input Source Selecting/Enter
3.3V / 0V
3.3V / 0V
3.3V / 0V
3.3V / 0V
3.3V / 0V
POWER S/W PORT
:DC POWER ON_OFF
OSD MENU Display
TV CHANNEL CONTROL(UP)
TV CHANNEL CONTROL(DOWN)
SOUND CONTROL(VOLUME UP)
SOUND CONTROL(VOLUME DOWN)
DLP-3022 SERVICE MANUAL
1 ( VCC12) O VCC12 Power Supply +12.0V
2 ( VCC12) O VCC12 Power Supply +12.0V
3 (VCC5A) O VCC5A Power Supply +5.0V
4 (MSP_L_OUT1) O MSP_L_OUT1 MSP LEFT Sound Output1
5 (MSP_R_OUT1) O MSP_R_OUT1 MSP RIGHT Sound Output1
6 (GND) G GND Ground
7 (MSP_L_OUT2)
8 (MSP_R_OUT2) O MSP_R_OUT2 MSP RIGHT Sound Output2
9 (GND) G GND Ground
10 (AFT) I AFT AFT Level
J5
11 (TUNER_SIF)
12( (GND) G GND Ground
13 (TUNER_CVBS)
14 (GND) G GND Ground
15 (S_MUTE) O S_MUTE Sound Mute
16 (AMP_ST-BY) O AMP_ST-BY
17 (HEAD_MUTE)
18 (GND) G GND Ground
19 (SDA3) I SDA3 I2C Bus(DATA)
20 (SCL3) O SCL3 I2C Bus(CLK)
O MSP_L_OUT2 MSP LEFT Sound Output2
I TUNER_SIF RF TV Sound Input
I TUNER_CVBS RF TV Video Input
Sound Stand-by
I HEAD_MUTE
Not used
1 (VCC5) O VCC5 Power Supply +5.0V
J1
2 (VCC5) O VCC5 Power Supply +5.0V
3 (SCART_R) I SCART_R Full Scart Red Input
4 (SCART_G) I SCART_G Full Scart GREEN Input
5 (SCART_B) I SCART_B Full Scart BLUE Input
6 (SCART_FB) I SCART_FB Full Scart FAST BLANK Input
7 (GND) G GND Ground
8 (FSCART_CVBS_IN)
9 (GND) G GND Ground
10 (HSCART_CVBS_IN)
11 (GND) G GND Ground
12 (FSCART_ID)
13 (HSCART_ID)
14 (GND)
15 (F_CVBS_OUT)
16 (GND) G GND Ground
17 (H_CVBS_OUT)
18 (GND) G GND Ground
19 (F_CVBS_L_OUT)
20 (F_CVBS_R_OUT)
21 (GND) G GND Ground
I FSCART_CVBS_IN Full Scart Composite Input
I HSCART_CVBS_IN Half Scart Composite Input
I FSCART_ID Full Scart Check Signal Input
I HSCART_ID Half Scart Check Signal Input
G GND Ground
O F_CVBS_OUT Full Scart Composite Output
O H_CVBS_OUT Half Scart Composite Output
O F_CVBS_L_OUT Full Scart Composite Left Sound Output
O F_CVBS_R_OUT Full Scart Composite Right Sound Output
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J2
CON5
22 (H_CVBS_L_OUT)
23 (H_CVBS_R_OUT)
24 (GND) G GND Ground
1 (VCC5) O VCC5 Power Supply +5.0V
2 (F_SC_L_IN) I F_SC_L_IN Full Scart Left Sound Input
3 (F_SC_R_IN) I F_SC_R_IN Full Scart Right Sound Input
4 (GND) G GND Ground
5 (H_SC_L_IN) I H_SC_L_IN Half Scart Left Sound Input
6 (H_SC_R_IN) I H_SC_R_IN Half Scart Right Sound Input
7 (GND) G GND Ground
8 (AV_CVBS_IN)
9 (AV_CVBS_DET)
10 (GND) G GND Ground
11 (SVIDEO_L_IN)
12 (SVIDEO_R_IN)
13 (GND) G GND Ground
14 (PC_L_IN) I PC_L_IN Analog RGB Left Sound Input
15 (PC_R_IN) I PC_R_IN Analog RGB Right Sound Input
16 (GND) G GND Ground
17 (DTV_L_IN) I DTV_L_IN Component2(DTV) Left Sound Input
18 (DTV_R_IN) I DTV_R_IN Component(DTV) Right Sound Input
19 (GND) G GND Ground
20 (DVD_L_IN) I DVD_L_IN Component1(DVD) Left Sound Input
21 (DVD_R_IN) I DVD_R_IN Component(DVD) Right Sound Input
22 (GND) G GND Ground
23 (AV_L_IN) I AV_L_IN Composite Left Sound Input
24 (AV_R_IN) I AV_R_IN Composite Right Sound Input
1 (NC) NC
2 (NC) NC
3 (NC) NC
O H_CVBS_L_OUT Half Scart Composite Left Sound Output
O H_CVBS_R_OUT Half Scart Composite Right Sound Output
I AV_CVBS_IN Composite Video Input
I AV_CVBS_DET Composite Check Signal Input
I SVIDEO_L_IN SVIDEO_Left Sound Input
I SVIDEO_R_IN SVIDEO_Right Sound Input
NC Not Connected
NC Not Connected
NC Not Connected
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4 (GND) G GND Ground
5 (ODD0-) O RX0- Negative LVDS Differential data input. Channel 0
6 (ODD0+) O RX0+ Positive LVDS Differential data input. Channel 0
7 (GND) G GND Ground
8 (ODD1-) O RX1- Negative LVDS Differential data input. Channel 1
9 (ODD1+) O RX1+ Positive LVDS Differential data input. Channel 1
10 (GND) G GND Ground
11 (ODD2-) O RX2- Negative LVDS Differential data input. Channel 2
12 (ODD2+) O RX2+ Positive LVDS Differential data input. Channel 2
13 (GND) G GND Ground
14 (ODDCLK-) O RXCLK- Negative LVDS Differential Clock input.
15 (ODDCLK+) O RXCLK+ Positive LVDS Differential Clock input.
16 (GND) G GND Ground
17 (ODD3-) O RX3- Negative LVDS Differential data input. Channel 3
18 (ODD3+) O RX3+ Positive LVDS Differential data input. Channel 3
19 (GND) G GND Ground
20 (NC) NC
21 (NC) NC
22 (NC) NC
23 (GND) G GND Ground
24 (GND) G GND Ground
25 (GND) G GND Ground
26 (VCC 5V) O VCC +5.0V Power Supply
27 (VCC 5V) O VCC +5.0V Power Supply
28 (VCC 5V) O VCC +5.0V Power Supply
29 (VCC 5V) O VCC +5.0V Power Supply
30 (VCC 5V) O VCC +5.0V Power Supply
2. I/O BOARD PIN CONFIGURATION
# I : Input Port, O : Out Port, G : Ground, I/O : Input / Output Port, NC : Not Connected
NC Not Connected
NC Not Connected
NC Not Connected
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DLP-3022 SERVICE MANUAL
Pin No I/O Specification Description
1 (VCC5) I VCC5 Power Supply +5.0V
2 (VCC5) I VCC5 Power Supply +5.0V
3 (SCART_R) O SCART_R Full Scart Red Output
4 (SCART_G) O SCART_G Full Scart GREEN Output
5 (SCART_B) O SCART_B Full Scart BLUE Output
6 (SCART_FB) O SCART_FB Full Scart FAST BLANK Output
7 (GND) G GND Ground
8 (FSCART_CVBS_IN) O FSCART_CVBS_IN Full Scart Composite Output
9 (GND) G GND Ground
10 (HSCART_CVBS_IN)
11 (GND) G GND Ground
12 (FSCART_ID)
J1
13 (HSCART_ID)
14 (GND)
15 (F_CVBS_OUT)
16 (GND) G GND Ground
17 (H_CVBS_OUT)
18 (GND) G GND Ground
19 (F_CVBS_L_OUT)
20 (F_CVBS_R_OUT)
21 (GND) G GND Ground
22 (H_CVBS_L_OUT)
23 (H_CVBS_R_OUT)
24 (GND) G GND Ground
1 (VCC5) I VCC5 Power Supply +5.0V
J2
2 (F_SC_L_) O F_SC_L_IN Full Scart Left Sound Output
3 (F_SC_R_) O F_SC_R_IN Full Scart Right Sound Output
4 (GND) G GND Ground
5 (H_SC_L_) O H_SC_L_IN Half Scart Left Sound Output
6 (H_SC_R_) O H_SC_R_IN Half Scart Right Sound Output
7 (GND) G GND Ground
8 (AV_CVBS_)
9 (AV_CVBS_DET)
10 (GND) G GND Ground
11 (SVIDEO_L_)
12 (SVIDEO_R_)
13 (GND) G GND Ground
14 (PC_L_ ) O PC_L_ Analog RGB Left Sound Output
15 (PC_R_) O PC_R_ Analog RGB Right Sound Output
O HSCART_CVBS_IN Half Scart Composite Output
I FSCART_ID Full Scart Check Signal Output
I HSCART_ID Half Scart Check Signal Output
G GND Ground
O F_CVBS_OUT Full Scart Composite Output
O H_CVBS_OUT Half Scart Composite Output
O F_CVBS_L_OUT Full Scart Composite Left Sound Output
O F_CVBS_R_OUT Full Scart Composite Right Sound Output
O H_CVBS_L_OUT Half Scart Composite Left Sound Output
O H_CVBS_R_OUT Half Scart Composite Right Sound Output
O AV_CVBS_IN Composite Video Output
O AV_CVBS_DET Composite Check Signal Output
O SVIDEO_L_IN SVIDEO_Left Sound Output
O SVIDEO_R_IN SVIDEO_Right Sound Output
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DLP-3022 SERVICE MANUAL
16 (GND) G GND Ground
17 (DTV_L_) O DTV_L_ Component2(DTV) Left Sound Output
18 (DTV_R_) O DTV_R_ Component(DTV) Right Sound Output
19 (GND) G GND Ground
20 (DVD_L_) O DVD_L_ Component1(DVD) Left Sound Output
21 (DVD_R_) O DVD_R_ Component(DVD) Right Sound Output
22 (GND) G GND Ground
23 (AV_L_) O AV_L_ Composite Left Sound Output
24 (AV_R_) O AV_R_ Composite Right Sound Output
3. TUNER BOARD PIN CONFIGURATION
# I : Input Port, O : Out Port, G : Ground, I/O : Input / Output Port, NC : Not Connected
Pin No I/O Specification Description
1 ( VCC12) I VCC12 Power Supply +12.0V
2 ( VCC12) I VCC12 Power Supply +12.0V
3 (VCC5A) I VCC5A Power Supply +5.0V
4 (MSP_L_OUT1) O MSP_L_OUT1 MSP LEFT Sound Output1
5 (MSP_R_OUT1) O MSP_R_OUT1 MSP RIGHT Sound Output1
6 (GND) G GND Ground
7 (MSP_L_OUT2)
8 (MSP_R_OUT2) O MSP_R_OUT2 MSP RIGHT Sound Output2
9 (GND) G GND Ground
10 (AFT) O AFT AFT Level
J5
11 (TUNER_SIF) O TUNER_SIF RF TV Sound Output
12( (GND) G GND Ground
13 (TUNER_CVBS)
14 (GND) G GND Ground
15 (S_MUTE) O S_MUTE Sound Mute
16 (AMP_ST-BY) O AMP_ST-BY
17 (HEAD_MUTE) O HEAD_MUTE
18 (GND) G GND Ground
19 (SDA3) O SDA3 I2C Bus(DATA)
20 (SCL3) O SCL3 I2C Bus(CLK)
O MSP_L_OUT2 MSP LEFT Sound Output2
O TUNER_CVBS RF TV Video Output
Sound Stand-by
Head Phone Mute(사용하지 않음)
4. OSD BOARD PIN CONFIGURATION
# I : Input Port, O : Out Port, G : Ground, I/O : Input / Output Port, NC : Not Connected
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2 ( SOURCE )
DLP-3022 SERVICE MANUAL
Pin No I/O Specification Description
1 ( POWER ) I 3.3V / 0V
I
3 ( MENU ) O
3.3V / 0V Input Source Selecting/Enter
3.3V / 0V
POWER S/W PORT
:DC POWER ON_OFF
OSD MENU Display
CON1
4 ( CH+ ) O
5 ( CH- ) O
6 ( VOL+ ) O
7 ( VOL- ) O
8 ( GND ) G GND Ground
3.3V / 0V
3.3V / 0V
3.3V / 0V
3.3V / 0V
TV CHANNEL CONTROL(UP)
TV CHANNEL CONTROL(DOWN)
SOUND CONTROL(VOLUME UP)
SOUND CONTROL(VOLUME DOWN)
5. IR/LED BOARD PIN CONFIGURATION
# I : Input Port, O : Out Port, G : Ground, I/O : Input / Output Port, NC : Not Connected
Pin No I/O Specification Description
1 ( GND ) G GND Ground
2 ( LEDG ) O LED_GREEN GREEN LED CONTORL OUTPUT PORT
: High : Green LED On
CON1
3 ( LEDR ) O LED_RED RED LED CONTORL OUTPUT PORT
: High : Red LED On
4 ( IR ) O 5V / 0V
5 ( GND ) G GND Ground
6 ( VCC ) I 5V / 0V OSD B/D 5V Output
IR RECEIVER SIGNAL INPUT PORT
6. POWER BOARD PIN CONFIGURATION
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DLP-3022 SERVICE MANUAL
7. MODULE BASIC CONFIGURATION
[V296W1 - ###]
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DLP-3022 SERVICE MANUAL
FACTORY MENU
1. CALIBRATION MENU
FACTORY MODE
n 1. Calibration
: Automatic adjustment of white balance for Analogue input (PC) and Component2 (DTV)
input.
n 2. Option Table 0002
: Initial installation of OSD.
n 3. Color control
: Adjustment of contrast and brightness for scaler generating power.
n 4. PW565
: Adjustment of contrast and brightness for scaler input port (CH1 or CH2).
n 5. VPC3230-MAIN
: Value adjustment for video decoder’s brightness and contrast, color tickness in
the main window.
n 6. VPC3230-SUB
: Value adjustment for video decoder’s brightness and contrast, color tickness in
the sub window.
n 7. ADC
: Value adjustment for brightness and contrat, color thickness of analogue RGB,
Y,Pb,Pr of AD9883 A/D convertor.
n 8. Heatrun
: The mode when you do aging.
n 9. Version
: It shows the information of Firmware version and Panel.
n 10. Setup
: Installation of TTX language and video, protocol, logo.
2. CALIBRATION MENU
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DLP-3022 SERVICE MANUAL
CALIBRATION MENU
n 1. PC Calibration
: Automatic adjustment as the fittest status of white balance for analogue input (PC)
n 2. DTV Calibration
: Automatic adjustment as the fittest status of white balance for component2 (DTV)
input.
3. OPTION TABLE MENU
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OPTION TABLE MENU
n Flesh tone
n LNA(Low Noise Amplifier)
: On/Off Installation of screen quality improvement fuction, when TV input signal is
weak.
n Blue Screen
: When there are no input signal of the TV and external equipment, you can install the
screen color as blue.
n Melody Volume
: Installation of the melody volume for initial soft power On/Off. The volume is exfactoried as “0 ” due to license.
n Video Mute
n TTX TOP
n Auto FM
n Help
n Area
n High Deviation
DLP-3022 SERVICE MANUAL
4. COLOR CONTROL MENU
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