Daewoo DHD-4000D Service Manual

S/M No. : VDHA61PEN0

✔ Caution :

In this Manual, some parts can be changed for improving, their
performance without notice in the parts list. So, if you need the
latest parts information,please refer to PPL(Parts Price List) in
Service Information Center (http://svc.dwe.co.kr).

DAEWOO ELECTRONICS Corp.

Nov. 2003

http : //svc.dwe.co.kr

Service Manual

DVD HDD Disk Recorder

MODEL :

DHD-4000D

SPECIFICATIONS.........................................................................................................2

DISASSEMBLY ORDER...........................................................................................................9

REPAIRE.................................................................................................................................10

BLOCK DIAGRAM .................................................................................................................27

SCHEMATICS.........................................................................................................................32

COMPONENTS LOCATION GUIDE ON PCB BOTTOM VIEW.............................................44

WAVE FORMS........................................................................................................................45

ELECTRICAL PARTSLIST.....................................................................................................48

1

CONTENTS

2

SPECIFICATIONS

PVR DVD Combo for EUROPE DHD-4000D

SECTION PVR/DVD Combo REMARK

GENERAL
DAEWOO Model DHD-4000D
Decription PVR/DVD Combo
Target Area Europe
Mass Production 2003, End of JULY
Safety Regulation CE
Power Plug

For Europe

Operation temperature 5-35 degree C
Power Consumption

- Maximum

50

W

- Operate

35

W

- Stand-By(power off)

15 W / 6 W

Set Weight (Net)

5.5 Kg

Set Size (WxHxD) 420 x 80 x 300 (mm)
Stuffing Quantity (40ft) 1750 EA

PVR Features

HDD Specification
Drive interface ATA (IDE bus) Interface
Capacity 40 GB (1platter)
RPM 5400
Start time 8 sec ( 15 sec max )
Stop time 12 sec ( 20 sec max )
VIDEO
Video Recording Format MPEG II
Horizontal Resolution ( line input ) High : 350 lines Pass-through : Min 350 lines

Standard : 350 lines Time-shifting : Min 350 lines

Basic : 250 lines
Screen size(MPEG encoder) High : full D1 (720 x 576) Pass-through : full D1 (720 x 576)

Standard : 2/3 D1 (480 x 576) Time-shifting : full D1 (720 x 576)

Basic : 1/2 D1 (352 x 576)
Video DAC 10bit
Recording Rate (Mb/sec) 2 - 4 - 6 (Mb/sec) Time-shifting : 6 Mb/sec
Low -to- High Quality
Time-shifting buffering time 1 hour T-S and System region : about 3GB
Recording Capacity ( 40GB/20GB) High : up to 12.7/6.2 Hours

Medium : up to 22/10.7 Hours

Basic : up to 35.7/17.3 Hours
AUDIO
Audio Recording Format MPEG I Layer II - 2 channel
Analoge in/out O
Sampling Rate 44.1KHz
Audio ADC/DAC 20bit
S/N Ratio ( line input ) 65 dB weighted
Dynamic range ( line input )80 dB
Muting O

3

SPECIFICATIONS

SECTION PVR/DVD Combo REMARK

PVR Features

Broadcasting Tuner
Broadcasting System PAL/SECAM-L
Channel Selection Method PGM F/S

- Selection Knob CH (…/†), 0-9

- TV/CATV Switching ­Band VL, VH, UHF
Total Channel Number 113 Channels

- PAL/SECAM-L 104 CH(2~12, 21~69, S1~S41 , X,Y,Z)
Position Memory Number 99CH
TV/CATV Switching X
Auto Channel Setting

- Auto Search & Memory O

- Auto Channel Sorting O

- Auto Station Name Display O
Manual Channel Setting

- CH Direct Input O

- Manual Search & Memory O

- Manual Channel Clear O

- Manual Channel Align O
HRC/IRC/Standard Switching X
Manual Fine Tuning O

- Memory Available O

- E2PROM O
RF Modulation Out ­SPECIAL PLAY/REC
Time Shifting O
Forward / Reverse Search Speed 5 steps(x1.5, X4, X8, X20, X60) x 1.5 forward Digest function nomal audio out
Still Picture O
Slow O

- Variable Slow Speed ( 1/2 ,1/4 ,1/8 : 3 steps )
Repeat Play O - "A-B repeat"
"A-B" REC O - Press "REC" during Repeat Play
SYSTEM
Recorded Program Search O - next clip,last clip
REC Bit Rate Select O - By OSD menu
System information O - By OSD menu
HDD data full

- Record (Include T.REC, & OTR) Stop - Warning message
Factory set ( HDD data initialize ) O - By OSD menu(after data restore,power off)
On Screen Display
Language English ,French,German,Spanish,

Dutch,Italian,Swedish,Finnish
Letter Color refer to UIS
Blue Back refer to UIS
Super Impose Data Display O

SECTION PVR/DVD Combo REMARK

PVR Features

TIMER
Date Recognize Period 2002~2099
Number of Timer Recording 8 Events / 1 Year
Clock display method 12 Hour - AM,PM
Manual Clock Setting O
Auto Clock Setting O
Auto Daylight Saving Time O
Language selection O
Timer Recording System

- General O

- VCR Plus(G-code) O

- EPG -

One Touch Recording O

- Recording Time Display Method Recording Hours

- Maximum Time for Recording Max.10 Hours
Daily Recording O
Weekday Recording ­Weekly Recording O
Timer Recording Contents Display O
Timer Recording Contents Correct O
Method to Timer Recording ­Timer Recording Start Timing On Time - Actally, recoding faster than On time
Priority on Overlap Timer Recording Chosen by customer - Conflict message displayed on screen
Guide Setup ­Initial Partial Guide Setup O - first AC power cord input
Child Lock (Pro-Tect Plus) ­Setup (Guide Setup) -

- Partial Initial Setup ­Low Voltage Detection (LVD) ­Energy Star ­Power Failure Compensation

- duration More than 1 day

- Method time : RTC, data : memoried in EEPROM

- Available only forward.

DVD Features

DVD MODULE
Manufactruer of FEM (Front End Module) DVS
Interface BUS Interface
Opitical P/U Hitachi HOP1200
FE Chip Matsushita
BE chip type Numbers Ziva-5M/ LSI Logics
PLAYABLE DISC TYPE
DVD Type : DVD / DVD+RW / DVD+R / Yes to All
DVD-RW / DVD-R
CD Type : CD / CD-R / CD-RW Yes to All

4

SPECIFICATIONS

5

SPECIFICATIONS

SECTION PVR/DVD Combo REMARK

DVD Features

Video Format : DVD / VCD / DVD/VCD/SVCD
SVCD / MPEG 4 / JPEG
Audio Format : DVD-Audio / SACD CDDA / MP3
HDCD / CDDA / MP3 / MP3 Pro / WMA
Disc size 8cm/12cm
Regional Code 2
NTSC / PAL Discs playback O/O
VIDEO
Video output signal : NTSC / PAL / NTSC / PAL
PAL 60Hz / PAL-50Hz / SECAM for VHS
Video Digital-to-analog converter 10bit/54MHz
Progressive Scanning X
S-Video & Component or RGB : X/O
Simultaneous / Switchable
Smooth motion picture in reverse mode O
AUDIO
Audio Digital-to-analog converter 96kHz/24bit
DVD Audio Digital-to-Analog Converter X
S/N Ratio 92 dB
3D Virtual Surround for 2Ch Audio O
Dolby Digital Down Mix (5.1ch to LtRt out) O
Dolby Digital Passthrough O
DTS Digital Passthrough O
MPEG-2 Audio Passthrough X
DVD Audio Passthrough X
Dolby Digital 5.1-Ch decoding X
DTS Digital 5.1-Ch decoding X
MPEG-2 Audio decoding X
DVD Audio Decoding X
Open MP3 Compatible (pre recorded MP3 Discs) O
MP3 / MP3 Pro / WMA CD-R Playback O/X/X
AC-3/PCM data Conversion O
OSD Speaker : Configuration/Test Signal/Distance O/X/X
Dynamic range compression O
DSP Mode O
Equalizer O

PLAYBACK FEATURES

Disc access time(play ready time from drawer close press) Less than 20 sec.
Fast Scan Motion (FWD / REV) ; DVD (O/O) : x2, x20, x30, x80
Fast Scan Motion (FWD / REV) ; VCD (O/O) : x2, x12, x24
Fast Scan Motion (FWD / REV) ; CDDA (O/O) : x2, x6, x10
Slow Motion (FWD / REV) ; DVD (O/O) : x1/2, x1/4
Slow Motion (FWD / REV) ; VCD (O/X) : x1/2, x1/4 ,1/8, 1/16
Still picture/freeze frame( jitter-free : auto-switching: Field / Fr

O

Frame by Frame (forward / reverse) O/O

SECTION PVR/DVD Combo REMARK
PLAYBACK FEATURES

Skip (FWD / REV) O/O
2x audio during Scan Forward -user selectable O (CD ONLY)
2x Subtitle Display O
Repeat Function (DVD) : Disc / Title / Chapter / A-B O/O/O/O
Repeat Function (CD/VCD) : Disc / Track / A-B O/O/O
Repeat Function (DVD-Audio): Disc / Track / Group O/O/O
Repeat Function (MP3/WMA) : Disc / Track / Dir. O/O/O except WMA
Program Play (DVD/VCD/DVD-Audio/CD//MP3 / WMA) DVD/VCD/CD
Random Play (DVD/VCD/DVD-Audio/CD//MP3 / WMA) CD/MP3
IntroScan ( CD/VCD/SVCD/MP3 ) (No. of Sec.) X/X/X/X
BOOK Mark function (No. of Marks) O
Time Search O
Zoom on Still / Running DVD Video (Zoom x) 1.3x, 2x Zoom (magnify)
Zoom on Still / Running VCD (Zoom x) 2X
Closed caption NTSC (DVD/VCD) X
".jpg" files playback (Thumbnail/Rotation/Slide show) X
".jpg" files playback - other (Zoom/Pan/Fade) X
".jpg" & MP3 or WMA Combination Playback X
Compatibility with Kodak Picture CD X
USER INTERFACE & OPERATION
Graphical User Interface -color selectable X
OSD languages English ,French,German,

Spanish,Dutch,Italian,Swedish,Finnish
On-screen display on/off-user selectable O
Subtitle Selection (DVD) O
Disk Type displayed OSD / Front Panel Display O/O
Screen saver On/Off (MP3 / CDDA / Stop / Still / Disc Open)

O
Company LOGO DAEWOO
Resume play O
Black Level adjusment X
Display auto dimming during playback- user selectable X
PBC for VCD 2.0 or SVCD O
Dealer's lock X
Parental lock O
Picture mode selector 4x3, 6x9, letterbox O
Multi-angle playback O
Parental Edit on disks- A-B type deletion of unwanted scenes

X
I

nstant replay- one button push instantly plays back xx frames

X
Upgradeable Flash Memory Capability O
Selectable Audio Streams (total quantity) O
Selectable Subtitle Languages (total quantity) O
Digest O (VCD Only)
Code free Method O
Service Mode Display Method O

6

SPECIFICATIONS

7

SPECIFICATIONS

SECTION PVR/DVD Combo REMARK

PVR/DVD COMMON AREA

FRONT PANEL
Operation button 18 EA

Power, DVD/VCR Mode, Play/Pause,
Stop, FR, FF, Open/Close, Setup,
Select /Enter, REC, PR +, PR -Left/
Right/Up /Down Arrow,

RECORDED PROGRAM LIST,Reset
LED Indicator 2 EA(Power, HDD operation)
Mic input O
Front A/V Jack O
REAR
Spec & Serial Number Label O (DEC's spec)
Antenna Jack Type F type : 1 Pair

- Antenna Jack Layout In : Up , Out : Down

A/V Jack Video (composite) Output 2

RGB Output (Scart Jack) 2

Audio Output/input (Analog, RCA jacks)

Digital Audio Output - Optical(DVD only)

Digital Audio Output - Coaxial(DVD only)

Power cord Type Polarized

- Cord Holder O
S-Video 1 Pair ( In & Output )
CBC control O
REMOCON
Model Name VR-F2WC
Transmission Format Mitsubishi
TV/VCR Unfied O
Multi-brand TV Control O Daewoo, Thomson, Panasonic, JVC
Battery O
BackLite ­REMARK PVR/DVD Combo SECTION
Luminous Knob ­Knob 45 keys SEE RCU KEY LIST & NAMES
ACCESSORY
Remocon O
Battery O
SCART cable(21PIN) O
RF Cable O
CBC Cable O
S-Video Cable ?
A/V Cord ?
Adaptor for power conversion X
Instruction Book O
Warning Leaflet O
Customer Guide O

SECTION PVR/DVD Combo REMARK

PVR/DVD COMMON AREA

ACCESSORY
Guarantee Sheet O
PACKING
Box Material EX300 x SCP150 x EX300

- PAD Material Styrofoam Pad

Box Assembling Method A - 1

- Packing Method Stapling or Taping

Carrying Handle No

8

SPECIFICATIONS

9

DISASSEMBLY

The disassembly order should be followed the steps suggested.
The assembly order should be followed the other disassembly order.

A. Frame

B. Front Panel

10

TROUBLESHOOTING

1. POWER circuit

✓ Caution

You must use insulated trance during the first part test of POWER circuit.

No output voltage of Power Circuit

Check POWER CODE

(+)Voltage of C805

Switching Waveform on Drain of

Q801?

Output Voltage of D821,

D822,D823,D826?

Check other parts.

Replace POWER CORD

Check F801, L801, L802, D801, R802

Check D805,IC802,Q801

Check IC804, IC805, IC806

When Power is ON,

Pin 8 of P821 is +5 voltage?

BAD

GOOD

YES

YES

YES

NO

NO

NO

NO

Output Voltage on Pin

2 of IC804,IC805 & IC806?

YES

Replace bad parts

NO

**DVM Voltege Measure**
On 110 Voltage input, DC 80 ± 10 Voltage
On 220 Voltage input, DC 190 ± 20 Voltage

NO

Check ON/OFF Control

2. SYSTEM circuit

11

TROUBLESHOOTING

No Booting

VFD ON/OFF

NO

Check +6V EVER (Pin 9 of P503)

NO

Check POWER

NO

Replace Q108 &Q109

NO

Check FRONT

Reset IC

Pin 3 of IC110

High>Low>High

NO

Replace IC110

MICOM Crystal
Check whether

X105(16MHz) oscillates

NO

Replace X105

MICOM (IC107)

Check SDA(Pin 60)&SCL(Pin 61)

NO

Replace IC107

EEPROM(IC103)

Check SDA(Pin 5)& SCL(Pin 6)

NO

Replace IC103

Crystal

Check whether

X602(27MHz)Pin 5 oscillates

NO

Replace X602

Level Shifter

Check SDA(Q108) & SCL(Q109)

NO

Check whethet Q108 &

Q109 are working

YES

YES

YES

YES

YES

YES

YES

Replace Board( IC601 bad soldering)

1. NO BOOTING

12

TROUBLESHOOTING

FLASH(IC507 & IC508)

Check WE(Pin 11), RST(Pin 12),

CE(Pin 26) & OE(Pin 27)

NO

Replace IC507 & IC508

SDRAM(IC505 &IC506)

Check WE(Pin 16), CS(Pin 19) &

CLK(Pin 38)

NO

Replace IC505 & IC506

HDD

Check Pin 1 of P603

YES

IC511 & IC512

Check Pin 1 &Pin 24

NO

Check Soldering

Replace IC511 & IC512

YES

Check IC513

Check Soldering of other parts

except IC

NO

PVR RESET(Pin 31) = MAIN

RESET(Pin 29) AND ST20(Pin 32)

RESET HDD(Pin 40) = PVR

RESET(Pin 31) AND

HDD RESET(Pin 44)

NO

Replace IC513

YES

YES

NO

Check whether HDD is bad

NO

Replace HDD

NO

Check soldering

Check IDE 80 PIN CABLE

13

TROUBLESHOOTING

Check IC601

Check X504(32.768KHz)

YES

NO

NO

NO

YES

YES

Check whether B101 is

+3.3Voltage

Check X102(32.768KHz)

IC601 re-programing

Check Soldering of

other parts except IC

Replace X504

Replace B101

Replace X102

2. NOT WORKING OF RTC

YES

** When POWER SAVE is not working

Sure about not

fulling HDD?

YES

NO

NO

NO

YES

YES

HDD connection Buffer

Check IC511 &IC512

Check whether HDD is good

Check soldering of IC51 & IC12

Check IDE cable

Check "RECORED PROGRAM"

Many

programs

Delete some programs for empty

HDD

Some

programs

Check Length of all programs

NO

follow "YES" step

Replace IC511 &IC512

Bad HDD,replace HDD

3. DISK FULL

14

TROUBLESHOOTING

3. VIDEO circuit

1. In case of no EE screen

In case of no

EE Screen

Is there video input

signal at pin

9,19,12,14,18,20 of IC304 ?

YES

YES

YES

NO

NO NO NO

YES

YES

Is there oscillating clock at pin

6,7 of IC304?

Case A.

PVR S-Video output/ DVD S-Video output

Pin12:Inspect C367 (Tuner,

Scart1, Scart2 input)

Is there signal at pin

1,3,28 of IC109?

Inspect C389,R196, R676,

R678,R686,R687,C651,C652

NO NO NO

Pin10:Inspect C392

(DVD input)

Is there signal at pin

7,9,11,13,14,15 of P505

Inspect power of

P822

NO

NO

NO

Pin20:Inspect C369

(Front input)

Inspect 3.3V of the power

Inspect IC303 and

peripheral circuit

Inspect C400,C401 and

X301

Case B.

PVR CVBS output/DVD CVBS output

Case C.

PVR RGB output/DVD RGB output

Inspect R722,R726,

D701,D702

Inspect FFC cable of the

loader

Pin14,18:Inspect C393,C395,

R352,R353(S-Video input)

Inspect IC109

Is there 3.3V at pin 1,8,25, 33, 43, 51,

58, 68,75,83,93 of IC304?

NO

Is there 3.3V at pin 11,17,23 of

IC304?

NO

YES

YES

15

TROUBLESHOOTING

A. PVR S-Video Output

DVD S-Video Output

Is there video signal at pin 1,3 of

IC306 and IC309

NO

Inspect Q301,Q302,Q307,Q308

and filter circuit

Is there video signal
at pin 1,3 of IC314 ?

NO

Inspect C484,C485,

R377,R380

YES

NO

Inspect IC304

YES

C. PVR RGB Output

DVD RGB Output

Is there video signal at pin 1,3 at

IC311, IC312 and IC313 ?

NO

Inspect Q304,

Q305,Q306,Q310, Q311, Q312

and filter circuit

Is there video signal

at pin 7 of IC311,

IC312,IC313 ?

NO

Inspect IC311,

IC312,IC313 and

C473,C475,C478

YES

NO

Inspect IC304

YES

B. PVR CVBS Output

DVD CVBS Output

Is there video signal
at pin 1,3 of IC310 ?

NO

Inspect Q303,Q309 and filter circuit

Is there video signal

at pin 7 of IC310 ?

NO

Inspect IC310 and C471

YES

Is there video signal

at pin 29,30 of IC109 ?

NO

Inspect C624,R671,

R672,R673,Q101,

R688,C644,

YES

NO

Inspect IC304

YES

16

TROUBLESHOOTING

4. AUDIO circuit

1. No Audio from AV1 output and Composite output on PVR Mode

NO NO NO

Pin 16 of IC206 is +12

Voltage?

Inserted L217? Replace noninserted parts

NO

Replace noninserted parts.

Inserted

C225, C235 R223,R242?

Inserted

C216, C234, R222,R241?

YES

Check

CANAL circuit

Check Pin 3 &

4 of P302

YES

Signals in Pin 1,12

or Pin 8,15 of IC206 ?

NO

Replace noninserted parts.

YES

NO NO

Inserted

C251,C257,R286,R287?

Replace noninserted parts.

Signals in Pin 1, 5 of IC451?

Replace IC206

YES

NO NO

Inserted L209? Replace noninserted parts.

YES

Pin 23 &18 of IC451 is +5 Voltage?

YES

NO

Pin 8 of IC451 is +5

Voltage?

NO

Inserted R454?

Replace IC451

YES

Clock signal on Pin 16 of

IC451

NO

Check Pin 4 &37

of IC304

YES

YES

NEXT PAGE

YES

17

TROUBLESHOOTING

NO NO

Inserted L200? Replace noninserted parts.

Pin 14 of IC202 is +5 Voltage?

Check Power Circuit

YES

YES

NO

Replace IC451?

Signals in Pin 13,14 &15

of IC451?

YES

YES

NO

Check IC601?

Clock signal on Pin 5 of IC202?

NO NO

Inserted

R211,R212?

Replace noninserted parts.

Signals on Pin 2,3 & 4 of IC202?

Check IC601?

YES

YES

NO NO

Inserted C214, C209,

C221,C222,R293,R294?

Replace noninserted parts.

Signals on Pin 1,2,11,15

4,5,12&14 of IC201?

Replace IC202

YES

YES

NO NO

Inserted L205? Replace noninserted parts.

Pin 16 of IC202 is +12 Voltage?

Check Power Circuit

YES

YES

NEXT PAGE

YES

18

TROUBLESHOOTING

NO NO

Insert C223,C224,R419

R209,R297,R299,R240

R420,R251,R279?

Replace noninserted parts.

Signals on Pin 10 &12

of IC204?

Replace IC201

YES

YES

YES

NO NO

Inserted C260,

C258,C261,C259,C246,

C259,C246,C245,R419,R42

0,R423,R424,R421,R422?

Replace noninserted parts.

Signals on Pin 8&14 of IC204?

Replace IC201

YES

NO NO

Inserted

C262,C263,C267,C268,

C264,C265,C271,C272,

R425,R426,R433,R434,R427,

R428,R429,R430,R258,R262?

Replace noninserted parts.

Signals on Pin 1&12 of IC210?

YES

NO NO

Inserted L207? Replace noninserted parts.

Pin 4 of IC204 is +12 Voltage?

YES

Check Power circuit

YES

NEXT PAGE

19

TROUBLESHOOTING

NO NO

Inserted L260?

Replace noninserted parts.

Pin 16 of IC210 is +12 Voltage?

Check Power circuit

YES

YES

YES

NO NO

Pin 10 of IC210 is +12

Voltage?

Check Power Circuit

Signals on Pin 3&13 of IC210?

Check CANAL Circuit

YES

Check IC107

YES