Akai 29CTF05BS Manual de usuario

Service manual

Colour TV set

29CTF05BS

SERVICE MANUAL

29CTF05BS

COLOUR TELEVISION

Chassis No. GB-5

MODEL

CONTENTS

WARNING

The chassis in this receiver is partially hot. Use an isolation transformer between the line cord plug and

power receptacle, when servicing this chassis. To prevent electric shock, do not remove cover. No user -

serviceable parts inside. Refer servicing to qual ed service personnel.

World Multi 18 System

100-CH Program Memory

AV Mode (Standard/Dynamic/Soft)

CATV Hyper Band Ready

4 Line Digital Comb Filter

Blue/Black Stretch Circuit

Picture Noise Reduction

White Temp. Select

Aperture Control

Gamma Correction

Multi Language OSD (English/Chinese/French/Malay/Arabic)

On/O /Reminder Timer (with beep sound)

Pag e1st Edition

29CTF05BS

In the interests of user safety (Required by safety regulations in some countries) the set should be restored to its original

condition and only parts indentical to those speci ed should be used.

Rear AV-IN 1, AV Output (Monitor Out), Headphone

and Front AV-IN 2

Power Save

AFT

Component Input Terminal (share with AV1)

NICAM/A2 Stereo

Multi language TELETEXT

Child Lock

Graphic Equalizer

Sound Mode (Music/Movie/News/Custom)

Hotel Mode

16 : 9 Mode

S461629LFG5RU

CHAPTER 1. SPECIFICATIONS

[1] SPECIFICATIONS................................................. 1-1

CHAPTER 2. IMPORTANT SERVICE NOTES

[1] IMPORTANT SERVICE NOTE.............................. 2-1

CHAPTER 3. ADJUSTMENT PRECAUTIONS

[1] ADJUSTMENT PRECAUTIONS ........................... 3-1

[2] ADJUSTMENT ...................................................... 3-24

CHAPTER 4. TROUBLE SHOOTING FLOWCHART

[1] TROUBLE SHOOTING FLOWCHART ................. 4-1

CHAPTER 5. SOLID STATE DEVICE BASE DIAGRAM

[1] SOLID STATE DEVICE BASE DIAGRAM............. 5-1

CHAPTER 6. CHASSIS LAYOUT

[1] CHASSIS LAYOUT ............................................... 6-1

CHAPTER 7. BLOCK DIAGRAM

[1] BLOCK DIAGRAM : MAIN UNIT ........................... 7-1

CHAPTER 8. DESCRIPTION OF SCHEMATIC DIAGRAM

[1] DESCRIPTION OF SCHEMATIC DIAGRAM......... 8-1

CHAPTER 9. WAVEFORM

[1] WAVEFORM .......................................................... 9-1

CHAPTER 10. SCHEMATIC DIAGRAM

[1] SCHEMATIC DIAGRAM : MAIN UNIT................... 10-1

[2] SCHEMATIC DIAGRAM : CRT UNIT .................... 10-3

CHAPTER 11. PRINTED WIRING BOARD ASSEMBLIES

[1] PWB-A : MAIN UNIT.............................................. 11-1

[2] PWB-B : CRT UNIT ............................................... 11-5

Parts Guide

AKAI

29CTF05BS

1 – 1

TV29L-FG5RUService Manual29L-FG5RUMarketE

CHAPTER 1. SPECIFICATIONS

[1] SPECIFICATIONS

SPECIFICATIONS

Focus

.....................................................................

Bi-Potential,Uni-PotentialElectrostatic

Sweep Deection

...................................................................................................

Magnetic

Intermediate Frequencies

Picture IF Carrier ................................................................................................ 38.9 MHz

Sound IF Carrier

6.5MHz ............................................................................................................ 32.4 MHz

6.0MHz ............................................................................................................ 32.9 MHz

5.5MHz ............................................................................................................ 33.4 MHz

Colour Sub-Carrier

PAL

................................................................................................................

34.47 MHz

SECAM .............................................................................................. 34.494/34.65 MHz

Power Input................................................................................... 110~240 V AC 50/60 Hz

Power Consumption ..................................................................................................... 138 W

Audio Power Output Rating ...................................................................... 7.5Wx2(at Max.)

Speaker

Size ........................................................................................................... 8 cm roundx2

Aerial Input Impedance

VHF/UHF ......................................................................................... 75 ohms Unbalanced

Receiving Channels

PAL-B/G, SECAM-B/G

VHF ................................................................................................................ E2 thru E12

UHF .............................................................................................................. E21 thru E69

CATV......................................................................................... X thruZ+2, S1 thru S41

PAL-D/K, SECAM-D/K

VHF .......................................................................................... R1 thru R12, C1 thru C12

UHF .......................................................................................... 21 thru 69, C21 thru C57

PAL-I, SECAM-I

VHF.................................................................................. (IRELAND): B thru J

UHF .................................................................................. (U.K., H.K.): 21 thru 69

Receiving Frequency ................................................................ 44.25 MHz thru 863.25 MHz

Dimensions ..................................................................................................... Width: 810 mm

Height: 618 mm

Depth: 516.5 mm

Weight(approx): 41 kg

Cabinet material .................................................................................................. All Plastics

Specications are subject to change without prior notice.

Convergence

...............................................................................

Self Convergence System

29CTF05BS

2 – 1

TV29L-FG5RUService Manual29L-FG5RUMarketE

CHAPTER 2. IMPORTANT SERVICE NOTES

[1] IMPORTANT SERVICE NOTES

IMPORTANT SERVICE NOTES

Maintenance and repairing of thisreceiver should be done by

qualied service personnel only.

SERVICE OF HIGHVOLTAGE SYSTEM AND

PICTURE TUBE

When servicing thehigh voltage system,remove static charge from it by

connecting a 10K ohm resistor in series withaninsulated wire(such asatest

probe)between picture tube dag and 2nd anodelead. (AC line cord should

be disconnected from AC outlet.)

1. Picture tube in this receiver employs integral implosion protection.

2. Replace with the same type number of picture tube for continued safety.

3. Do not lift picture tube by the neck.

4. Handlethepicturetubeonlywhenwearingshatterproofgoggles and afterdischarging

the high voltage completely.

X-RAY

This receiver is designed so that any X-Ray radiation is kept to an absolute

minimum.Since certain malfunctions or servicing may produce potentially

hazardous radiation withprolonged exposure at close range, the following

precautions should be observed:

1. When repairing the circuit,please make sure do not increase the high voltage of the set

to more then 34.0kV (at beam 0 A).

2. To keep the set inanormaloperation, please make sure it'sfunctionat30.0kV1.5kV

(at beam1700 A). The set has been factory - adjusted to the above-mentionedhigh voltage.

*Ifthere isapossibility thatthehighvoltageuctuates asaresultofthe repaires,

never forget to check for such high voltage after the work.

3. Do notsubstituteapicturetubewithunauthorizedtypesand/orbrandswhichmaycause

excessive X-ray radiation.

BEFORE RETURNING THE RECEIVER

Before returning the receiver to the user, performthefollowing safetychecks.

1. Inspectall leaddresstomakecertainthatleadsarenotpinched or that hardwareisnot

lodged between the chassis and other metal parts in the receiver.

2. Inspectallprotectivedevicessuchasnon-metalcontrol knobs,insulating shpapers,

cabinet backs, adjustment and compartment covers or shields, isolation resistor- ca-

pacity networks, mechanical insulators etc.

3 – 1

TV29L-FG5RUService Manual29L-FG5RUMarketE

CHAPTER 3. ADJUSTMENT PRECAUTIONS

[1] ADJUSTMENT PRECAUTIONS

ADJUSTMENT PRECAUTIONS

This model's setting are adjusted in two dierent ways: through the I2Cbus control and in the

conventional analog manner. The adjustments via the I2C bus control include preset-onlyitems and

variabledata.

1. Settingthe service mode by the microprocessor.

(1). Press and hold the local key "VOL DOWN" & "CH UP" when power on the main switch,

TV will enter into SERVICE MODE. (The initial values of EEPROM are automatically

preset when new EEPROM is used.)

(2). Press the CH DOWN / UP key on the remote controller to get ready to select the mode

one by one.

(3). Press the CH DOWN / UP key on the remote controller to select the modes reversibly

one by one.

(4). Usingthe VOLUMEUP/ DOWN key on the remote controller, thedata can be modied.

(5). When press the local key "VOL DOWN" & "CH UP" at the same time, it will be released

from the service mode.

2. Factory Presetting.

(1). After enter intothe SERVICE MODE, at "INIT EEPROM" service item (which is under

"CHECK MODE" section) press remote control ler key of code"ED",the initial values

are automatically preset.

(2). The initialdata are preset as listed in page4to 14.

(3). Make sure whether the dataneed to modify or not (Initial data).

Note: Once the chassis hasbeen assemblytogetherand in ready condition,please make

sure it's go through initialize process (see sect 2-(1) above).

Precaution: If haven'tdonethisinitialization, malfunction might be happen.

3 – 2

1) In the Service Mode, key is use to select the mode in the following order.

SETTING MODE 1

Picture

Setting

SETTING MODE 3

Audio

Setting

CHECK MODE

OPTION MODE

Function Setting

MENUbutton

of R/C

MENUbutton

of R/C

MENUbutton

of R/C

MENUbutton

of R/C

ADJUSTMENT MODE

RF AGC

50Hz/60Hz

GEOMETRIC ADJ

CUT OFF/

WHITE BALANCE ADJ

PICTURE

SUB ADJ

MENUbutton

of R/C

3 – 3

Notes:

FORWARD : CH UP KEY

REVERSE : CH DOWN KEY

VX-43COMP-P50

EW-W-P50

E/W-PAR-P50

HOR-SHI-P50

VER-APM-P50

DRI-BS-DVD

DRI-GS-DVD

SUB-TINT

SUB-SHARP

SUB-CON-DVD

SUB-TINT-DVD

SUB-BRI

SUB-BRI-DVD

SUB-COL

SUB-CON

DRI-RS-DVD

CUT-GW

DRI-GW

DRI-BW

CUT-RW

DRI-RW

CUT-RC

CUT-GC

DRI-GC

DRI-BC

CUT-GS

DRI-RC

DRI-RS

DRI-GS

CUT-RS

DRI-BS

S-COR

LOCOR-PAR

E/W-TRAP

V-SCROLL

VX-NORMAL

VER-SHI-F50

VER-AMP-F50

HOR-SHI-F50

CUT-RS-DVD

H-BOW

VER-SHI-P50

V-LIN

UPCOR-PAR

CUT-GS-DVD

DRI-RC-DVD

DRI-GC-DVD

DRI-BC-DVD

CUT-RC-DVD

CUT-GC-DVD

DRI-RW-DVD

DRI-GW-DVD

CUT-GW-DVD

DRI-BW-DVD

CUT-RW-DVD

V SLOPE

VER-SHI-F60

H-PAR

EW-W-F50

E/W-PAR-F50

VER-APM-F60

EW-W-F60

VER-AMP-P60

HOR-SHI-F60

E/W-PAR-F60

VER-SHI-P60

GEOMETRIC

ADJ MODE WHITE POINT

ADJ MODE PICTURE SUB ADJ

MODE

HOR-SHI-P60

VX-43COMP-P60

EW-W-P60

E/W-PAR-P60

ADJUSTMENT MODE ITEMS SEQUENCE

3 – 4

ITEM SERVICE MODE EEPROM ITEM OSD DATA INITIAL DATA SETTING DATA

11/0EPYT-EBUTepyTdesUebuTerutciPedoMnoitpO1000 1

27..0FIPgnitteSycneuqerFFIP2000 2

01/0M-DNSMdnuoS3000 0

11/0KD-DNSKDdnuoS4000 1

11/0I-DNSIdnuoS5000 1

11/0GB-DNSGBdnuoS6000 1

11/0MACESMACESmetsySruoloC7000 1

11/0853CSTN853CSTNmetsySruoloC8000 1

11/0344CSTN344CSTNmetsySruoloC9000 1

12..0GFC-OIDUAnoitarugifnoCoiduA0100 2

01/0LAUGNILIBlaugniliBonoM1100 0

11/0REZILAUQErezila

uqE2100 1

11/0REFOOWrefooWbuS3100 0

01/0LETOHedoMletoH4100 0

0306...0LOV-LTHemuloVletoH5100 30

199...0GRP-LTHrebmuNmargorPletoH6100 1

11/0TSAL-ESU-LTHTSAL-ESU-LTH7100 1

01/0DLIHCkcoldlihC8100 1

01/0SSWgnillangiSneercSediW9100 0

01/0TRACS-DLGTRACSnedloG0200 0

01/0IAHTegaugnaLDSOdnaliahT1200 0

11/0CIBARAegaugnaLDSOcibarA2200 0

11/0NAINARIegaugnaLDSOnainarI3200 0

11/0YALAMegaugnaLDSOyalaM4200 0

11/0ESENIHCegaugnaLDSOesenihC52

00 0

11/0HCNERFegaugnaLDSOhcnerF6200 0

01/0NAISSURegaugnaLDSOnaissuR7200 1

12..0TSAL-WPsutatStsaLnOrewoP8200 1

11/0NI-1VANI-1VA9200 1

11/0NI-1DVDtupnItnenopmoC0300 1

11/0NI-2VANI-2VA1300 1

11/0VA-LCNIVA-LCNI2300 1

11/0REDNIMER-MITremiTrednimeR3300 1

11/0FFO-MITremiTffO4300 1

11/0PIKS-MITremiTpikSlaicremmoC5300 0

01/0EDOMNIGRIVedoMnigriV6300 0

11/0PUS-8-1-RREPUS-8-1-RRE7300 1

11/0YARX-RREYARX-RRE8300 0

11/0LOVPUS-RRELOVPUS-RR

E9300 1

11/0GTREV-RREGTREV-RRE0400 1

01/0YEK-RETNE-WORRAYEK-RETNE-WORRA1400 0

11/0ORUE-TXTnaeporue-naPtxeteleT2400 0

11/0TSEW-TXTnretseWtxeteleT3400 0

11/0NO-TXTnOtxeteleT4400 0

01/0OAVtuOoiduAelbairaV5400 0

01/0TCEFFE-SSABTCEFFE-SSAB6400 1

OPTION MODE MENU

3 – 5

ADJUSTMENT MODE ITEMS

Note: SETTING DATA: for all model 29CTF05BS -only.

ITEM EEPROM SETTING DATA RANGE IC OSD INITIAL DATA SETTING DATA

A001RF-AGC 0…63UOC-TV RF-AGC 23 23

A002 V SLOPE 0…63 UOC-TV V SLOPE 35 35

A003VER-SHI-F50 0…63 UOC-TV VER-SHI-F50 39 39

A004VER-AMP-F50 0…63 UOC-TV VER-AMP-F50 35 35

A005HOR-SHI-F50 0…63UOC-TV HOR-SHI-F50 31 31

A006 EW-W-F50 0…63 UOC-TV EW-W-F50 11 11

A007E/W-PAR-F50 0…63 UOC-TV E/W-PAR-F50 32 32

A008 H-PAR 0…63 UOC-TV H-PAR 30 30

A009H-BOW 0…63 UOC-TV H-BOW 31 31

A010 UPCOR-PAR 0…63 UO C-TV UPCOR-PAR 40 40

A011 LOCOR-PAR0…63 UO C-TV LOCOR-PAR 41 41

A012E/W-TRAP 0…63 UOC-TV E/W-TRAP 32 32

A013 V-SCROLL 0…63 UOC-TV V-SCROLL 33 33

A014 VX-NORMAL 0…63 UOC-TV VX-NORMAL 25 25

A015 V-LIN 0…63 UOC-TV V-LIN 35 35

A016 S-COR 0…63 UOC-TV S-COR 32 32

A017 DRI-RS 0…63 UOC-TV DRI-RS 32 32

A018 DRI-GS 0…63 UOC-TV DRI-GS 32 32

A019DRI-BS 0…63UOC-TV DRI-BS 32 32

A020 CUT-RS 0…63 UOC-TV CUT-RS 32 32

A021CUT-GS 0…63 UOC-TV CUT-GS 32 32

A022 SUB-BRI 0…63 UOC-TV SUB-BRI 34 34

A023 SUB-CON 0…63UOC-TV SUB-CON 48 48

A024 SUB-COL 0…63 UOC-TV SUB-COL 10 10

A025 SUB-TINT 0…63 UOC-TV SUB-TINT 38 38

A026 SUB-SHARP 0…63 UOC-TV SUB-SHARP 32 32

A027DRI-RS-DVD 0…63 UOC-TV DRI-RS-DVD 32 32

A028DRI-GS-DVD 0…63UOC-TV DRI-GS-DVD 32 32

A029DRI-BS-DVD 0…63 UOC-TV DRI-BS-DVD 32 32

A030CUT-RS-DVD 0…63 UOC-TV CUT-RS-DVD 32 32

A031CUT-GS-DVD 0…63UOC-TV CUT-GS-DVD 32 32

A032 SUB-BRI-DVD 0…63 UOC-TV SUB-BRI-DVD 35 35

A033 SUB-CON-DVD 0…63 UOC-TV SUB-CON-DVD 48 48

29CTF05BS

3 – 6

ITEM EEPROM SETTING DATA RANGE IC OSD INITIAL DATA SETTING DATA

A034 SUB-TINT-DVD 0…63 UOC-TV SUB-TINT-DVD 32 32

A035DRI-RC 0…63 UOC-TV DRI-RC 32 32

A036 DRI-GC 0…63 UOC-TV DRI-GC 32 32

A037DRI-BC 0…63 UOC-TV DRI-BC 32 32

A038CUT-RC 0…63UOC-TV CUT-RC 32 32

A039 CUT-GC 0…63 UOC-TV CUT-GC 32 32

A040DRI-RW 0…63 UOC-TV DRI-RW 32 32

A041DRI-GW 0…63UOC-TV DRI-GW 32 32

A042DRI-BW 0…63 UOC-TV DRI-BW 32 32

A043 CUT-RW 0…63 UOC-TV CUT-RW 32 32

A044CUT-GW 0…63 UOC-TV CUT-GW 32 32

A045DRI-RC-DVD 0…63 UOC-TV DRI-RC-DVD 32 32

A046DRI-GC-DVD 0…63 UOC-TV DRI-GC-DVD 32 32

A047 DRI-BC-DVD 0…63 UOC-TV DRI-BC-DVD 32 32

A048CUT-RC-DVD 0…63UOC-TV CUT-RC-DVD 32 32

A049 CUT-GC-DVD 0…63 UOC-TV CUT-GC-DVD 32 32

A050 DRI-RW-DVD 0…63 UOC-TV DRI-RW-DVD 32 32

A051DRI-GW-DVD 0…63 UOC-TV DRI-GW-DVD 32 32

A052DRI-BW-DVD 0…63UOC-TV DRI-BW-DVD 32 32

A053CUT-RW-DVD 0…63UOC-TV CUT-RW-DVD 32 32

A054CUT-GW-DVD 0…63UOC-TV CUT-GW-DVD 32 32

A055VER-SHI-N50 0…63 UOC-TV VER-SHI-N50 15 15

A056VER-AMP-N50 0…63 UOC-TV VER-AMP-N50 28 28

A057 HOR-SHI-N50 0…63 UOC-TV HOR-SHI-N50 44 44

A058 EW-W-N50 0…63 UOC-TV EW-W-N50 29 29

A059E/W-PAR-N50 0…63 UOC-TV E/W-PAR-N50 25 25

A060VER-SHI-S50 0…63 UOC-TV VER-SHI-S50 13 13

A061VER-AMP-S50 0…63 UOC-TV VER-AMP-S50 22 22

A062 HOR-SHI-S50 0…63 UOC-TV HOR-SHI-S50 44 44

A063 EW-W-S50 0…63 UOC-TV EW-W-S50 29 29

A064E/W-PAR-S50 0…63 UOC-TV E/W-PAR-S50 22 22

A065 SUB-SCROLL-S 0…63 UOC-TV SUB-SCROLL-S 31 31

A066 SUB-VX-S50 0…63 UOC-TV SUB-VX-S50 43 43

A067VER-SHI-C50 0…63 UOC-TV VER-SHI-C50 14 14

A068VER-AMP-C50 0…63 UOC-TV VER-AMP-C50 23 23

A069 HOR-SHI-C50 0…63 UOC-TV HOR-SHI-C50 44 44

A070 EW-W-C50 0…63 UOC-TV EW-W-C50 29 29

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