Sharp 29F-PS370 Manuel utilisateur

29F-PS370

SERVICE MANUAL

COLOUR TELEVISION

Chassis No. GB-7S

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 qualified service personnel.

World Multi 21System

100-CH Program Memory

AV Mode (Movie/Music/News)

CATV Hyper Band Ready

White/Blue/Black Stretch Circuit

Picture Noise Reduction

White Temp. Select (5 mode)

Mono Bilingual

Multi Language OSD (English / Thai)

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 ............................................3-30

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 8. DESCRIPTION OF SCHEMATIC DIA-

GRAM

[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 ..........10-2

CHAPTER 11. PRINTED WIRING BOARD ASSEMBLIES

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

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

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 specified should be used.

Off Timer Only

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

and Front AV-IN 2

Blue Back

Component & Audio Input Terminal

AV Stereo Model

Child Lock

Surround

Loundness

Hotel Mode 29 Slim CRT

Parts Guide

1st Edition

SHARP MANUFACTURING (THAILAND) CO.,LTD

...

CHAPTER 7. BLOCK DIAGRAM

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

Front AV-2 IN Auto Select

29F-PS370

Headphone

29F-PS370

Gamma Correction

29F-PS370

TV29S-FX10MService Manual29S-FX10MMarketE

CHAPTER 1.

SPECIFICATIONS

[1] SPECIFICATIONS

SPECIFICATIONS

Focus ..................................................................... Bi-Potential, Uni-Potential Electrostatic

Sweep Deflection ................................................................................................... Magnetic

Intermediate Frequencies

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

Sound IF Carrier

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

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

5.74MHz ........................................................................................................ 33.16MHz

Colour Sub-Carrier

PAL ................................................................................................................ 34.47MHz

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

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

Power Consumption ..................................................................................................... 116W

Audio Power Output Rating ......................................................10 w ( R M S ) x 2 (TTL 20W)

Speaker

Size ........................................................................................... 6 cm x 13 cm (square) x 2

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 thru Z + 2, S1 thru S41

PAL-D/K, SECAM-D/K, K1

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: 764 mm

Height: 613 mm

Depth: 430 mm

Weight(approx): 38.5 kg

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

Specifications are subject to change without prior notice.

Convergence ............................................................................... Self Convergence System

NTSC ............................................................................................................. 35.32MHz

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

4.5MHz ............................................................................................................ 34.4MHz

NTSC-M

VHF ....................................................................... (U.S.) : 2 thru 13, (JAPAN) : 1 thru 12

UHF ................................................................... (U.S.) : 14 thru 69, (JAPAN) : 13 thru 62

CATV .................................... (U.S.) : A-6 thru A-1, A thru W+29 (JAPAN) : C13 thru C63

1 - 1

29F-PS370

TV29S-FX10MService Manual29S-FX10MMarketE

CHAPTER 2. IMPORTANT SERVICE NOTES

[1] IMPORTANT SERVICE NOTE

IMPORTANT SERVICE NOTES

Maintenance and repairing of this receiver should be done by

qualified service personnel only.

SERVICE OF HIGH VOLTAGE SYSTEM AND

PICTURE TUBE

When servicing the high voltage system, remove static charge from it by

connecting a 10K ohm resistor in series with an insulated wire (such as a test

probe) between picture tube dag and 2nd anode lead. (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. Handle the picture tube only when wearing shatterproof goggles and after discharging

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 with prolonged 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 30kV (at beam 0 A).

2. To keep the set in a normal operation, please make sure it's function at 26.0kV 1.5kV

(at beam 1700 A). The set has been factory - adjusted to the above-mentioned high voltage.

*If there is a possibility that the high voltage fluctuates as a result of the repaires,

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

3. Do not substitute a picture tube with unauthorized types and/or brands which may cause

excessive X-ray radiation.

BEFORE RETURNING THE RECEIVER

Before returning the receiver to the user, perform the following safety checks.

1. Inspect all lead dress to make certain that leads are not pinched or that hardware is not

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

2. Inspect all protective devices such as non-metal control knobs, insulating fishpapers,

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

pacity networks, mechanical insulators etc.

2 - 1

29F-PS370

TV29S-FX10MService Manual29S-FX10MMarketE

CHAPTER 3.

ADJUSTMENT PRECAUTIONS

[1] ADJUSTMENT PRECAUTIONS

ADJUSTMENT PRECAUTIONS

This model's setting are adjusted in two different ways: through the I2C bus control and in the

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

variable data.

1. Setting the 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 select the setting items

one by one.

(3). Using the VOLUME UP/DOWN key on the remote controller, the data can be modified.

(4). 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). Press remote controller key of code "ED" for 4 seconds, the initial values are

automatically preset.

(2). The initial data are preset as listed in page 3 - 4 , 3 - 5 and 3 - 6.

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

Note: Once the chassis has been assembly together and in ready condition, please make

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

Precaution: If haven't done this initialization, malfunction might be happen.

3 - 1

29F-PS370

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

ADJUSTMENT MODE

RF AGC 50Hz/60Hz

GEOMETRIC ADJ

CUT OFF/

WHITE BALANCE ADJ

PICTURE/SOUND

SUB ADJ

3 - 2

29F-PS370

Notes:

FORWARD : CH UP KEY

REVERSE : CH DOWN KEY

E/W-PAR-60

EW-W-60

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-GS

CUT-BS

DRI-RC

DRI-RS

DRI-GS

CUT-RS

DRI-BS

V-AMP-60

LOCOR-PAR

H-BOW

H-PAR

E/W-TRAP

V-SHI-50

V-AMP-50

V-LIN

CUT-RS-DVD

E/W-PAR-50

H-SHI-60

V-SHI-60

UPCOR-PAR

CUT-GS-DVD

CUT-BS-DVD

VSLOPE

EW-W-50

S-COR

H-SHI-50

GEOMETRIC

ADJ MODE

WHITE POINT

ADJ MODE

PICTURE SUB ADJ

MODE

ADJUSTMENT MODE ITEMS SEQUENCE

DRI-RC-DVD

3 - 3

29F-PS370

ADJUSTMENT MODE ITEM

SET UP (DEC)

ADJ

OSD DEFAULT

RF-AGC 23

VSLOPE 31

V-SHI-50 36

V-AMP-50 20

EW-W-50

ITEM EEPROM SETTING DATA RANGE IC

01 RF-AGC 0…63 UOC-TV

02 V SLOPE 0…63 UOC-TV

03 V-SHI-50 0…63 UOC-TV

04 V-AMP-50 0…63 UOC-TV

05 H-SHI-50 0…63 UOC-TV

06 EW-W-50 0…63 UOC-TV

H-SHI-50 30

07 36

08 H-PAR 0…63 UOC-TV

15 DRI-RSDRI-RS 0…63 UOC-TV

H-PAR 30

E/W-PAR-50 0…63 UOC-TV E/W-PAR-50

09 H-BOW 0…63 UOC-TV H-BOW 30

10 UPCOR-PAR 0…63 UOC-TV UPCOR-PAR 42

11 LOCOR-PAR 0…63 UOC-TV LOCOR-PAR 44

12 E/W-TRAP 0…63 UOC-TV E/W-TRAP 30

13 V-LIN 0…63 UOC-TV V-LIN 28

14 S-COR 0…63 UOC-TV S-COR 32

16 DRI-GS 0…63 UOC-TV DRI-GS 32

17 DRI-BS 0…63 UOC-TV DRI-BS 32

18 CUT-RS 0…63 UOC-TV CUT-RS 32

19 CUT-GS 0…63 UOC-TV CUT-GS 32

21 SUB-BRI 0…63 UOC-TV SUB-BRI 24

22 SUB-CON 0…63 UOC-TV SUB-CON 59

23 SUB-COL 0…63 UOC-TV SUB-COL 10

24 SUB-TINT 0…63 UOC-TV SUB-TINT 36

25 SUB-SHARP 0…63 UOC-TV SUB-SHARP 32

26 DRI-RW 0…63 UOC-TV DRI-RW 32

27 DRI-GW 0…63 UOC-TV DRI-GW 32

28 DRI-BW 0…63 UOC-TV DRI-BW 32

29 CUT-RW 0…63 UOC-TV CUT-RW 32

30 CUT-GW 0…63 UOC-TV CUT-GW 32

31 DRI-RLW 0…63 UOC-TV DRI-RLW 32

32 DRI-GLW 0…63 UOC-TV DRI-GLW 32

33 DRI-BLW 0…63 UOC-TV DRI-BLW 32

34 CUT-RLW 0…63 UOC-TV CUT-RLW 32

35 CUT-GLW 0…63 UOC-TV CUT-GLW 32

20 CUT-BS 0…63 UOC-TV CUT-BS 32

ADJ

3 - 4

29F-PS370

DRI-RC-DVD 3264 DRI-RC-DVD 0…63 UOC-TV

UOC-TV DRI-RLW-DVD61 DRI-BLW-DVD

SETTING DATAOSD DEFAULT

37 DRI-GC 0…63 UOC-TV

ITEM EEPROM SETTING DATA RANGE IC

36 DRI-RC 0…63 UOC-TV DRI-RC 32

DRI-GC 32

38 DRI-BC 0…63 UOC-TV DRI-BC 32

39 CUT-RC 0…63 UOC-TV CUT-RC 32

40 CUT-GC 0…63 UOC-TV CUT-GC 32

41 DRI-RLC 0…63 UOC-TV DRI-RLC 32

43 DRI-BLC 0…63 UOC-TV DRI-BLC 32

44 CUT-RLC 0…63 UOC-TV CUT-RLC 32

45 CUT-GLC 0…63 UOC-TV CUT-GLC 32

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

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

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

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

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

51 CUT-BS-DVD 0…63 UOC-TV CUT-BS-DVD 32

52 SUB-BRI-DVD 0…63 UOC-TV SUB-BRI--DVD 24

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

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

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

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

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

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

59 DRI-RLW-DVD UOC-TV DRI-RLW-DVD 32

60 DRI-GLW-DVD 0…63 UOC-TV DRI-GLW-DVD 32

62 CUT-RLW-DVD UOC-TV CUT-RLW-DVD 32

42 DRI-GLC 0…63 UOC-TV DRI-GLC 32

CUT-GLW-DVD 3263 CUT-GLW-DVD 0…63 UOC-TV

0…63

ADJ

3 - 5

29F-PS370

SETTING DATAOSD DEFAULT

66 DRI-BC-DVD 0…63 UOC-TV

ITEM EEPROM SETTING DATA RANGE IC

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

DRI-BC-DVD 32

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

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

69 DRI-RLC-DVD 0…63 UOC-TV DRI-RLC-DVD 32

70 DRI-GLC-DVD 0…63 UOC-TV DRI-GLC-DVD 32

72 CUT-RLC-DVD 0…63 UOC-TV CUT-RLC-DVD 32

73 CUT-GLC-DVD 0…63 UOC-TV CUT-GLC-DVD 32

74 V-SHI-60 0…63 UOC-TV V-SHI-60 36

75 V-AMP-60 0…63 UOC-TV V-AMP-60 23

76 H-SHI-60 0…63 UOC-TV H-SHI-60 37

77 EW-W-60 0…63 UOC-TV EW-W-60 28

78 E/W-PAR-60 0…63 UOC-TV E/W-PAR-60 38

79 VSD 0/1 UOC-TV VSD 0

80 CUT OFF 0-3 UOC-TV CUT OFF 02

81 DCXO 0-255 UOC-TV DCXO 55

82 ISP MODE 0/1 UOC-TV ISP-MODE 0

83 SUB-VOL 0-60 UOC-TV SUB-VOL 55

71 DRI-BLC-DVD 0…63 UOC-TV DRI-BLC-DVD 32

ADJ

3 - 6

29F-PS370

NVM MAP ITEMS

ADDRESS

DATA

MICON EEPROM EEPROM

(HEX) D7 D6 D5 D4 D3 D2 D1 D0

DEFAULT [hex]

RANGE [hex] WRITE (CPU)

0000 LOCKING PASSWORD 0000 0000-

270F 0000

0001

0002 PACKAGE NUMBER (MSB) 03 00-FF 03

0003 PACKAGE NUMBER (LSB) 20 00-FF 20

0004

0005

0006

0007

0008 RF-AGC (01) 17 00-3F 17

0009 V-SLOPE (02) 1F 00-3F 1F

000A V-SHI-50 (03) 24 00-3F 28

000B V-AMP-50 (04) 14 00-3F 1A

000C H-SHI-50 (05) 1E 00-3F 1F

000D EW-W-50 (06) 1C 00-3F 2F

000E E/W-PAR-50 (07) 24 00-3F 29

000F H-PAR (08) 1E 00-3F 20

0010 H-BOW (09) 1E 00-3F 23

0011 UPCOR-PAR (10) 2A 00-3F 2A

0012 LOCOR-PAR (11) 2C 00-3F 2B

0013 E/W-TRAP (12) 1E 00-3F 18

0014 V-LIN (13) 1C 00-3F 25

0015 S-COR (14) 20 00-3F 20

0016 DRI-RS (15) 20 00-3F 20

0017 DRI-GS (16) 20 00-3F 20

0018 DRI-BS (17) 20 00-3F 20

0019 CUT-RS (18) 20 00-3F 0A

001A CUT-GS (19) 20 00-3F 0A

001B SUB-BRI (21) 18 00-3F 18

001C SUB-CON (22) 3B 00-3F 3B

001D SUB-COL (23) 0A 00-3F 06

001E SUB-TINT (24) 24 00-3F 27

001F SUB-SHARP (25) 20 00-3F 20

0020 DRI-RS-DVD (46) 20 00-3F 20

0021 DRI-GS-DVD (47) 20 00-3F 20

0022 DRI-BS-DVD (48) 20 00-3F 20

0023 CUT-RS-DVD (49) 20 00-3F 20

0024 CUT-GS-DVD (50) 20 00-3F 20

0025 SUB-BRI-DVD (52) 18 00-3F 18

0026 SUB-CON-DVD (53) 30 00-3F 30

0027 SUB-TINT-DVD 20 00-3F 20

0028 DRI-RC (36) 20 00-3F 20

0029 DRI-GC (37) 20 00-3F 20

002A DRI-BC (38) 20 00-3F 20

002B CUT-RC (39) 20 00-3F 20

002C CUT-GC (40) 20 00-3F 20

002D DRI-RW (26) 20 00-3F 20

002E DRI-GW (27) 20 00-3F 20

002F DRI-BW (28) 20 00-3F 20

0030 CUT-RW (29) 20 00-3F 20

0031 CUT-GW (30) 20 00-3F 20

0032 DRI-RC-DVD (64) 20 00-3F 20

0033 DRI-GC-DVD (65) 20 00-3F 20

0034 DRI-BC-DVD (66) 20 00-3F 20

0035 CUT-RC-DVD (67) 20 00-3F 20

0036 CUT-GC-DVD (68) 20 00-3F 20

0037 DRI-RW-DVD (54) 20 00-3F 20

0038 DRI-GW-DVD (55) 20 00-3F 20

0039 DRI-BW-DVD (56) 20 00-3F 20

003A CUT-RW-DVD (57) 20 00-3F 20

003B CUT-GW-DVD (58) 20 00-3F 20

003C VER-SHI-P50 27 00-3F 27

003D VER-AMP-P50 23 00-3F 23

003E H0R-SHI-P50 1F 00-3F 1F

003F EW-W-P50 0B 00-3F 0B

MODEL

29F-PS370

3 - 7

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