Sanyo LCD-24K40 Manuale utente

SERVICE MANUAL LCD Television

FILE NO.

Original Version

Chassis Series: UE7-A

N8WJ

Model No. LCD-24K40

Give complete “SERVICE REF. NO.” for

parts order or servicing. It is shown on the

rating plate at the cabinet back of the unit.

This T.V. receiver will not work properly in

foreign countries where the television

transmission system and power source dif-

fer from the design specifications. Refer to

the specification table.

Product Code: 113024208

Contents

Safety Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chassis Block Diagrams . . . . . . . . . . . . . . . . . . 4-5

IC Block Diagrams . . . . . . . . . . . . . . . . . . . . . . . 6-11

On-screen Service Menu system . . . . . . . . . . . . 12-17

Service Adjustments . . . . . . . . . . . . . . . . . . . . . 18

Mechanical Disassembly . . . . . . . . . . . . . . . . . . 19-21

Chassis Electrical Parts List . . . . . . . . . . . . . . . 22-30

Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . 31

Printed Wiring Board . . . . . . . . . . . . . . . . . . . . . 32-37

Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . 38-40

REFERENCE NO. SM3010454

Service Ref. No. LCD-24K40-00

(Indonesia)

COVER-SM-LCD-24K40 4/12/10 9:29 AM Page 1

-2-

Safety Notice

Safety Precautions

The following precautions must be observed.

1:Comply with all caution and safety-related notes provided on the cabinet back, cabinet bottom, inside the

cabinet or on the chassis.

2:When replacing a chassis in the cabinet, always be certain that all the protective devices are installed

properly, such as, control knobs, adjustment covers or shields, barriers, etc..

DO NOT OPERATE THIS TELEVISION WITHOUT THE PROTECTIVE SHIELD IN POSITION AND

PROPERLY SECURED

3:Before replacing the cabinet cover, thoroughly inspect the inside of the cabinet to see that no stray parts or

tools have been left inside.

Before returning any televison to the customer, the service personnel must be sure that it is completely safe

to operate without danger of electrical shock.

Product Safety Notice

Product safety should be considered when a component replacement is made in any area of a receiver.

Components indicated by mark in the parts list and the schematic diagram designate components in

which safety can be of special signicance.

It is particularly recommended that only parts designated on the parts list in this manual be used for

component replacement designated by mark .

No deviations from resistance wattage or voltage ratings may be made for replacement items designated

by mark .

-3-

Specications

Model LCD-24K40

Maximum Visible Range 61cm(Screen Diagonal Size)

Picture Resolution 1366(H) x 768(V)

Viewable Angle(L°/3) L/R:+/-89D, U/D:+/-89D

Brightness 320cd/m²

Contrast 2500:1

Definition RF Analog Signals: Horizontal≥300; Vertical≥400

Degree of Colour Coverage ≥30%

Mobile Trailer Time 6.5ms

Voltage AC110-240V 50/60Hz

Power Consumption 63W

Power Management

VESA DPMS

Colour System PAL/SECAM/NTSC/NTSC4.43

Sound System D/K, I, M, B/G

Channel Coverage - VHF: E2-E12, R1-R12, K1-K9, J1-J12, A2-A13

- UHF: 21-69, A14-A69, J13-J62

- CATV: S1-S41, X, Y, Z, Z+1, Z+2

Aerial input impedance 75Ω

Speaker Size Mains: 32.5mm x 87.0mm x 2pcs

Sound speciality Maximum Output Power is 3W+3W

Total Harmonic Distortion(THD)≤10%

Input and Output terminals

AV1 Input Video Input: Composite video Input (RCAJack) x1

Audio Input: L/R Stereo Input (RCA Jack) x 1 set

S-Video Input: DIN 4-pin Jack x1

AV2 Video Input: Component Y (combined with composite video input),

CB, CR Input (RCAJack) x1 set

Audio: L/R Stereo Input (RCA Jack) x 1 set

HDMI Input HDMI Terminal 19 pin x1

PC Input Video Input: D-SUB 15 pin x1

Audio Input: Mini stereo jack x 1

Output Terminals Video Monitor Output: RCAjack x 1

Audio Monitor Output: L/R Stereo Output (RCA jack) x 1 set

Dimensions

(Width x Height x Depth) 613.8 x 437.7 x 189.8 mm (Including Stand)

Net Weight

(Including Stand ) 6.0 KG

Operating Environment

Operating Temperature 0ºC~40ºC (32ºF~104ºF)

Operating Humidity 20~80%

Storage Temperature -10ºC~50ºC (14ºF~122ºF)

Storage Humidity 20~80%

-4-

Chassis Block Diagrams

MAIN SIGNAL PROCESSING CIRCUIT

IC7200

MST740KU

A101

R L V

VGA

HDMI

R L V

Video in/Y/C in

L/R in

R/G/B in

IC750

PS331

L/R OU

SPI FLASH 24LA64AT

LVDS

I2C

TDA1517

AV2/DVD

Video in/Y/Pb/Pr in

L/R in

audio out

video out

I2C

D9352M

D6274D

SIF

VIF

AV1

AV2

SIF VIF Monitor FLASH 24L64AT

RC KEY

PANEL

32PIN

Tuner

S-Video

AV1

R L PR PB Y

Monitor out

L/R Speaker

-5-

POWER SUPPLY IC

1.5A

13V (1.5A) 100mA

100mA

PWR-ON 12V 200mA

600mA

(1.5A) ON-PANEL

600mA

3.3V 300mA

5VD 500mA

PWR-ON

5VSTB (2A) 20mA

100mA

+5VSTB LDO 3.3VSTB

IR/LED/EEPROM/CEC

1.26VA

LDO AVDDA & VDDP

CMOS SW LDO AVDD_AU & AVDD_VIF & 3.3VD

12V

LDO

13V FOR AUDIO AM

+13V

(26inch 15V)

FOR MONITOR OUT

DC/DC 32V FOR TUNER

LDO 5V FOR TUNER

CMOS S

12VP FOR PANEL

Chassis Block Diagrams

-6-

IC Block Diagrams (On the ASSY, PWB, MAIN)

FLK3

VGH_EVEN

OPT_P1

GCLK1

VGH_ODD

GCLK2

OPT_N1

GCLK3

SOE

HCONV1

SC_FS

AUVRADP

AUVREF

RXE4-

CVBS1

SV_Y0

CVBS0

SV_C0

CVBSOut1

VCOM0

B_TX0+

B_TX0-

R_TX2-

G_TX1-

G_TX1+

TXCLK-

R_TX2+

RXO1+RLV1N

PB+

TXD

TAGC

FLK1

SPI_CZ

SPI_CK

SPI_DO1

SPI_DI

AUOutL2

RXE4+

SAR0

SAR1

SIFP

SIFM

PWM0

RXO2-RLV2P

PWM2

VIFM

VIFP

LED_R

LED_Y

RXE1-RLV7P

FLK2

SIF-CTL

AUOutR2

HDCEC

RXO2+RLV2N

RXE1+RLV7N

TXCLK+

RXOC-

AUVRADN

LEDON1

SCAN_BLK2

RXE2-

WPWM1

HWRESET

SOG

BIN+

RIN+

GIN+

SCL_HD

SDA_HD

HPLUG

RXOC+

WAKEUP

RXE2+

SCAN_BLK1

RXO3-RLV4P

PWM1

RXEC-

I2C_SCL

I2C_SDA

DPM1

RXO3+RLV4N

IR_SYNC

SOY

PR+

Y+

RXEC+

RXO0-RLV0P

RXO4-RLV5P

RXE3-

AMP-MUTE

AUOutR1_amp

AUOutL1_amp

RXO0+RLV0N

ON-PANEL

ON-PBACK

COMP_AUL2

PC_AUR0

AV_AUL1

AV_AUR1

PC_AUL0

COMP_AUR2

RXO4+RLV5N

RXE3+

RXO1-RLV1P

RXD

HS_RGB

VS_RGB

HD-SW

SC_FB

GCLK4

PWM3

GCLK5

POL

GCLK6

WP_EE

GSP

RXE0+RLV6N

RXE0-RLV6P

AVDDA VDDP

VDDC

AVDD_AU

AVDD_VIF

+5V_all

VDDP_PM

AVDD_MPLL

VGH_EVEN

RXOC+

RXOC-

RXO3+

RXO3-

RXO4-

RXO0+

RXO0-

RXO1+

RXO1-

RXO2+

RXO2-

PWM3

GCLK6

GCLK5

RXO4+

GCLK4

POL

RXE0-

RXE1+

RXE1-

RXE2+

RXE2-

RXEC+

RXEC-

RXE3+

RXE3-

RXE4+

RXE4-

RXE0+

GSP

GCLK1

GCLK2

GCLK3

SOE

ADJ_PWM

I2C_SDA

I2C_SCL

RXD

TXD

VGH_ODD

MST740KU

Please close

to chip.

CL=20pf of XTAL

WARNING !!!

PANEL

INTERFACE

C158

27pF

C158

27pF

R217 22RR217 22R

C169

0.1uF

C169

0.1uF

TP26TP26

TP14TP14

R183 100RR183 100R

R176 22RR176 22R

R239 NC/100RR239 NC/100R

TP15TP15

TP19TP19

R174

4.7K

R174

4.7K

TP17TP17

C164 10uF/16V

C159

27pF

C159

27pF

753 1

8642

RP9

RP22X4

753 1

8642

RP9

RP22X4

C175

10uF/16V

C175

10uF/16V

R241 22RR241 22R

R172 68RR172 68R

AVSS_ADC

AVDD_ADC 10

AVSS_ADC

AVDD_MPLL 26

SPI_SCK

SPI_SDI

89 SPI_SCZ

SPI_SDO

DDCA_DAT 126

INT 127

HWRESET135

XTAL_XOUT 27

XTAL_XIN 28

DDCA_CLK 125

IRIN 128

AUWS/GPIO

GPIO/SPI_SIO3

GPIO

85 AUMCKO/GPIO

AVDD_VIF 39

AVSS_MPLL

VSYNC1

AVDD_VIF 30

AUSCK/GPIO

82 AUSD0/GPIO

AVDD_ADC 18

GPIO/SPI_SIO2

GPIOD3/TXD1

94 GPIOD2/RXD1

AVSS

MUTE/GPIOD5

92 GPIOD4

GPIOD1/RXD0

96 GPIOD0/TXD0

LVB4N 98

LVB4P 99

LVB3N 100

LVB3P 101

LVBCLKN 102

LVBCLKP 103

RLV8N/LVB2N 104

RLV8P/LVB2P 105

RLV6N/LVB0N 108

RLV6P/LVB0P 109

RLV5N/LVA4N 111

RLV5P/LVA4P 112

RLV4N/LVA3N 113

RLV4P/LVA3P 114

RLV3N/LVACLKN 115

RLV3P/LVACLKP 116

RLV2N/LVA2N 117

RLV2P/LVA2P 118

RLV1N/LVA1N 119

RLV1P/LVA1P 120

AVDDP_1 124

GND

AVDD_ADC 153

AVDD_VIF 31

RLV7P/LVB1P 107

RLV7N/LVB1N 106

RLV0P/LVA0P 122

RLV0N/LVA0N 121

TCON5 62

TCON6 63

TCON7 64

TCON8 65

TCON9 66

TCON10 70

TCON11 71

TCON12 72

GND

147

SAR0 131

SAR1 130

SAR2 129

WAKEUP 137

TCON0 57

TCON1 58

TCON2 59

TCON3 60

TCON4 61

TCON13 73

AVDDP_1 110

PWM2

76 PWM1

77 PWM0

GND

AVDDP_1 69

TCON14 145

TCON15 144

TCON16 143

TCON17 142

TCON18 141

TCON19 140

TCON20 139

TCON21 138

AVDDP_1 74

VDDC67

AVDDP_1 80

VDDP_2 132

VDDC148

AVSS_VIF

32 AVSS_VIF

AVDD_AU 41

GND

123

DDCD_SCL

133

RIN1P

RXA0P

152

LINE_IN_1R

BIN1P

HOTPLUG

156

RXACKP

150

LINE_IN_2L

SIFP

GIN1P

CVBS0/Y0

CVBS2/Y1

AUVRP

DDCD_SDA

134

BIN0P

CEC

136

LINE_IN_0R

DAC_OUT_L

HSYNC0

AUVAG

RIN0P

AUCOM

SOGIN0

SOGIN1

RXA2P

RXA1N

154

RXA2N

VCOM0

GIN0M

RXA0N

151

LINE_IN_1L

LINE_IN_2R

AUVRM

LINE_IN_0L

TAGC

RXACKN

149

GIN1M

SIFM

35 VIFM

CVBSOUT

CVBS1/C0

RXA1P

155

DAC_OUT_R

VSYNC0

VR27

VIFP

CVBS3/C1

GIN0P

LINE_OUT_L

55 LINE_OUT_R

AVDDP_1 146

PWM3

EPAD

157

U18U18

C165 0.1uFC165 0.1uF

R238 22RR238 22R

R167 200RR167 200R

TP23TP23

TP16TP16

TP21TP21

TP27TP27

14.318MHZ

R208 22RR208 22R

C162 47nFC162 47nF

C161 47nFC161 47nF

R179 0RR179 0R

753 1

8642

RP3

RP22X4

753 1

8642

RP3

RP22X4

C168

0.1uF

C168

0.1uF

753 1

8642

RP4

RP22X4

753 1

8642

RP4

RP22X4

TP18TP18

C171 0.1uFC171 0.1uF

L20

120R/FB0603

L20

120R/FB0603

L21

TP13TP13

R173 68RR173 68R

R244 22RR244 22R

C174

1uF

C174

1uF

753 1

8642

RP5

RP22X4

753 1

8642

RP5

RP22X4

R177 22RR177 22R

TP22TP22

R166

R171 68RR171 68R

TP25TP25

R22810K/NCR22810K/NC

R181 0RR181 0R

7531

8642

RP7

RP22X4

7531

8642

RP7

RP22X4

C115 47nFC115 47nF

R180 0RR180 0R

C170

100pF

C170

100pF

R237 22RR237 22R

753 1

8642

RP1

RP22X4

753 1

8642

RP1

RP22X4

R227 22RR227 22R

C172

0.1uF

C172

0.1uF

R182 0RR182 0R

753 1

8642

RP2

RP22X4

753 1

8642

RP2

RP22X4

R214 22RR214 22R

TP24TP24

TP20TP20

C173

4.7uF

C173

4.7uF

R245 22RR245 22R

IC7200 MST740KUMST740KU

-7-

IC Block Diagrams

IC8000 �XXAAJ�1195--�XXAAJ�1195--

-8-

IC Block Diagrams

IC750 �PS331T�FP64M

IC8001 �XXAVC951---P

-9-

IC Block Diagrams

IC7501/IC7503 �AMS1117-3.3P

-10-

IC Block Diagrams

IC7502 �LM1085R-3.3P

IC7504 �LM1117S-1.2P

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