Sanyo LCD-30CA1Z Manual de usuario

SERVICE MANUAL LCD Television

N2LVZ

FILE NO.

Model No. LCD-30CA1Z

(Asia / Middle East / Australia)

Give complete “SERVICE REF. NO.” for parts

order or servicing. It is shown on the rating label

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

differ from the design specifications. Refer

to the specification table.

Product Code:111374016

REFERENCE NO. SM5110697

Original Version

Chassis Series: UB5-C

Service Ref. No. LCD-30CA1Z-00

Contents

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

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

Chassis Block Diagram . . . . . . . . . . . . . . . . . . . . . . 4-5

Power Supply Lines . . . . . . . . . . . . . . . . . . . . . . . . . 6-8

Sub CPU Port Functions . . . . . . . . . . . . . . . . . . . . 9-10

Service Adjustments . . . . . . . . . . . . . . . . . . . . . . . 11-12

Option Setting (Dealer Mode) . . . . . . . . . . . . . . . . 13-14

Service Adjustments Menu . . . . . . . . . . . . . . . . . . 15-16

Protection Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Mechanical Disassembly . . . . . . . . . . . . . . . . . . . 18-23

Cabinet Parts List . . . . . . . . . . . . . . . . . . . . . . . . . 24-25

Chassis Electrical Parts List . . . . . . . . . . . . . . . . . .26-48

Printed Circuit Board . . . . . . . . . . . . . . . . . . . . . . .49-55

STILL

ECO

JXPPB

TV PC

AV1 AV 2 AV3 AV 4

P P

CHANNEL VOLUME

WIDE

AUDIO-S VIDEO-S

SURROUND

BASS

BACK

S.SYS C.SYS

Safety Notice

-2-

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 television 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 significance. 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 .

39.7

25.1

57.1

38.8

62.2

23.5

76.5 10.3 13.2

10.8

64.6

[ Details of Dimensions ]

(Unit of length=cm)

Specifications

-3-

Power Source AC100-245 Volts, 50/60Hz

Power Management VESA DPMS

Plug & Play VESA DDC1/2B

PC Interface D-SUB 15 pins, XGA, VGA, SVGA

Colour System PAL/SECAM/NTSC4.43/NTSC3.58

Sound System B/G, D/K,K’, I, M/M

Channel Coverage

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

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

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

Aerial Input Impedance 75 Ω

Audio Output (RMS) 5W+5W

Speakers 6 cm x 12 cm x 2 pcs.

LCD Panel

Screen Size (Measured Diagonally):30 inch (762 mm)

Picture Resolution: WXGA 1280 (Horiz.) x 768 (Vert.) pixels

Viewing Angles: Horiz. 170˚, Vert. 170˚

Contrast Ratio: 600:1

Brightness: 550cd/m2

Input Terminals

• PC Input: D-SUB 15-pins x 1 (Analog RGB input) , Audio input (Mini stereo Jack x 1)

• AV1 (Video): Composite Video Input (Phone Jack) x 1

S-Video Input (Separated Y/C) DIN 4-pin Jack x 1

• AV1 (Audio): L/R Stereo Input (Phone Jack) x 1 set

• AV2 (Video): Composite Video Input (Phone Jack) x 1

S-Video Input (Separated Y/C) DIN 4-pin Jack x 1

• AV2 (Audio): L/R Stereo Input (Phone Jack) x 1 set

• AV3 (Video): Component Y, CB/PB, CR/PRInput (Phone Jack) x 1 set

• AV3 (Audio): L/R Stereo Input (Phone Jack) x 1 set

• AV4 (Video): Component Y, CB/PB, CR/PRInput (Phone Jack) x 1 set

• AV4 (Audio): L/R Stereo Input (Phone Jack) x 1 set

Output Terminals

• Video Monitor Output: Phone Jack x 1

• Audio Monitor Output: L/R Stereo Output (Phone Jack) x 1 set

• Headphone: Mini Stereo Jack x 1

Dimension 765 (W) x 622 (H) x 235 (D) mm (Included swivel stand)

Weight approx. 22 Kg (Included swivel stand)

Specifications subject to change without notice.

-4-

Chassis Block Diagrams (Video Signal Lines)

LCD PANEL

AV2 INPUT

JACK-B UNIT

K13F K8F

V, Y, C

IC1201

AV SELECTOR

15(V)

17(Y)

19(C)

U/V TUNER (A202) 17

TV_V 63(V)

56(Y)

58(C)

Y, C

K8G

IC7191

Y/C SW

9(Y)

1(C)

6(Y)

3(C)

8(Y)

16(C)

IC2201

DIGTAL VIDEO DECODER

73(Y)

71(C)

DEC_Y

, C

SUB UNIT

YA (2-9)

IC7603

DIGITAL RGB PROCESSER

RGB

IC3001

MAIN CPU

SCAN

CONVERTER

RGB

IC7002

LVDS

DRIVER

IC7001

COLOR

MANAGEMENT

RGB

K42G

53(V)

TV_V

K8G K42G

IC7101

FOR NTSC SIGNAL

3D Y/C SEPARATION

84(Y)

83(C)

6(Y)

4(C)

IC7171 MIX

2(V)

4(V)

2(V)

6(V)

41(V) (AV)_V

IC1206

VIDEO SW

K42G

K8G

MONITOR OUT

COMP_V

AV1 INPUT

V, Y, C8(V)

10(Y)

12(C)

JACK-A UNIT

K10E

K8E

K10E K8E

AV4 INPUT

AV3 INPUT

Y, Cb, Cr 43(Y)

41(Cr)

42(Cb)

Y, C b , Cr 35(Y)

33(Cr)

34(Cb)

IC1011

COMPONENT SW

K10C K11C

D-SUB

27(Y)

25(Cr)

26(Cb)

Q1162 (Y)

Q1161 (Cr)

Q1163(Cb)

Q1151 (Cr)

Q1152 (Y)

Q1153 (Cb)

6(Cr)

5(Y)

4(Cb)

Y, C r, C b

, Cr, Cb 3(Y)

5(Cb)

1(Cr)

IC1701

VIDEO SW

21(Cr/R)

19(Y/G)

15(Cb/B)

Y, C r,Cb/

RGB54(Cr/R)

48(Y/G)

43(Cb/B)

IC4001

A/D

CBA (2-9)

(Cr, Cb)

YA (2-9)

CBA (2-9)

CRA (2-9)

PC_RGB

K10C K11C

7(R)

9(G)

11(B)

MAIN UNIT

-5-

Chassis Block Diagrams (Audio Signal Lines)

AV2 INPUT

JACK-B UNIT

K13D K8D

L/R

IC1201

AV SELECTOR

U/V TUNER (A202)

SIF

SUB UNIT

TV-R

IC002

PRE-AMP.

MONITOR OUT

AV1 INPUT

JACK-A UNIT

K10E

K8E

K10E K8E

AV4 INPUT

AV3 INPUT

K10E K8E

PC K10E K8E

IC101

AUDIO MAIN AMP.

SP902

SP901

16 (+) L-OUT

R-OUT

HEADPHONE

JACK

IC001

NICAM/A2 STEREO

SOUND CONTROL

TV-L

SELECTED-L

SELECTED-R

L-OUT

R-OUT

L-OUT

R-OUT

24 (+)

27(R)

28(L)

HEADPHONE L/R

K13F K8F

HEADPHONE L/R

18 (R)

16 (L)

L/R

11(R)

9 (L)

45 (R)

43 (L)

L/R

61 (R)

59 (L)

25 (R)

22 (L)

31 (R)

29 (L)

KSP9L

KSP9R

15 (-)

25 (-)

Power Supply Lines

-6-

Input

AC 100-245V

FILTER UNIT

LCD PANEL

CN69

CN61

KAC2

PWR ON

K16V

5V_LVDS

CN60

7,8

43,44 48-50

1-3

12V_Audio 32V_Tuner

9V_Analog

5V_Digital

26-30

2,3

6-8

K16P

3.3V_Standby

5V_Standby

D1601

D1171

D261

D1602

ON: H, OFF: L

D1654D1657

Q801/802

Q803/804 Q1871

IC1651/Q1651

5V_Analog

IC261

5V_ST_SAVE

5V_ST

Q807

3.3V_ST_SAVE

3.3V_Standby

5V_V_SW

3.3V_MTR

Q808

Q6811

PF-2

PF-1

CN62

K69H

IC1172

D2263

D4106

5V_DEC

IC2206

5V_A/D

-5V_A/D2

IC4181

IC5104

1.8V_MTR

IC5105

3.3V_A/D

IC4106

IC4110

-5V_A/D

D5102

D4101

D5101

D4102

3.3V_DEC

IC2204

D2261 D2262

2.5V_VPL

IC3193

D3196

D3195

2.5V_VGR

IC8962

D8963

D8964

3.3V_Y/C

IC8961

D8961

D8962

3.3V_VPL

3.3V_LVD

3.3V_PIX

3.3V_AP

IC3194

IC1001

DDC

IC1002

IC1003

A1902

RC PRE-AMP.

IC3191

D3197

D3198

2.5V_PIX

IC3192

D3193

D3194

D3191 D3192

K8G

K42G

5V_Standby

Q6801

5V_DPMS

K8E

K10E

K10C

K11C

1-3

50-58

K8J

K19J

KFN3

T-SENSOR

Q1854

LCD

ON/OFF

PF-5

TH1601

Temperature Sensor

FAN_LOCK2 FN903

IC801

SUB CPU

KFN1

FN901

CN3

K7L

Fuse F601

Line Filter

F601/602

POWER UNIT

SUB UNIT

K16A

CN71

2Powr Fail-1

Powr Fail-2

T-SENSOR

Audio AMP. Fail

FAN

LOCK2

FAN

LOCK1

FAN_LOCK1

IC101

AUDIO AMP.

CONTROL UNIT

JACK-A UNIT

MAIN UNIT

-5V

1.5V PIX

IC3190

1.5V PIX P D3101 D3102

Power Supply Lines

-7-

9V_Analog

5V_Digital

5V_ST

5V_V_SW

D1105

5V_A/D

-5V_A/D

1.8V_MTR

3.3V_DEC

3.3V_LVD

D1110

D1115

D1702

5V_Standby

5V_DPMS

13 5

IC8971

SYNC. SEP.

3IC7171

Y/C MIX

IC7191

Y/C SW

IC8401

IC1702

SYNC SEP.

IC1703

IC1704

3.3V_MTR

IC7603

RGB

MATRIX

IC8001

CPU

EXTENSION

IC7601

IC7602

MEMORY

IC5102

IC1771

IC1772

IC8406

CONVERT

IC3001

MAIN CPU

3.3V_PIX 1

IC3102

RESET

7IC8902

RESET

IC4001

A/D CONVERT

IC8403

D/D

CONVERT

D1701

IC7101

3D Y/CSEP.

IC2203

IC1707

IC4102

52 IC4103

-5V_A/D2 52 IC4104

IC3104

IC3171

4,16

IC3151 5

IC3152

2IC3153

CLOCK

OSC.

IC7001

COLOR MANAGEMENT

IC7002

LVDS DRIVER

IC1101

COMPONENT

VIDEO SW

IC2201

VIDEO

DECODER

3.3V_A/D

2.5V_VPL

2.5V_VGR

3.3V_Y/C

3.3V_VPL

3.3V_AP

2.5V_PIX

5V_DEC

IC1701

VIDEO

IC1773

3.3V_Standby

3.3V_ST

IC3103

11, 33

IC3142

SRAM

IC3141

FLASH

MEMORY

IC8402

D/D

CONVERT

IC’s Power Supply Lines (Main Unit)

Power Supply Lines

-8-

A202

TUNER

12V_Audio

32V_Tuner

9V_Analog

5V_Standby

16,62,99

5V_Analog

IC1851

FAN

CONTROL

IC001

NICAM/A2

DECODER

IC101

AUDIO AMP.

D1201

IC1201

AV SELECTOR

3IC1206

VIDEO SW

IC801

SUB CPU

IC802

RESET

IC804

EEPROM

IC803

5V_ST_SAVE

IC002

AUDIO

PRE-AMP.

IC003

IC’s Power Supply Lines (Sub Unit)

-9-

Sub CPU (IC801) Port Functions

Pin Pin Name Function Name Description I/O

No.

1P96/ANEX1/SOUT4 BSD_OUT Serial output Out

2P95/ANXO/CLK4 BSD_CLK Serial clock In

3P94/DA1/TB4IN FAN-CTRL1 Fan control-1 (D/A data) Out

4P93/DA0/TB3IN FAN-CTRL2 Fan control-2 (D/A data) Out

5P92/TB2IN/SOUT3 - Not used (Output= Low) -

6P91/TB1IN/SIN3 Hsync Horiz. sync. input In

7P90/TB0IN/CLK3 - Not used (Open) -

8 BYTE

-External Pulldown (10K ohms)

9CNVss CNVSS CNVSS (Rewriting of a flash. Rewrite=High) In

10 P87/XCIN - Not used (Open) -

11 P86/XCOUT - Not used (Open) -

12 RESET - IC Reset (Active “Rest”=Low) In

13 XOUT - Oscillator -

14 VSS - GND -

15 XIN - Oscillator -

16 VCC - 5V_STandby -

17 P85/NMI - NMI terminal In

18 P84/INT2 RC RC input In

19 P83/INT1 50/60 Detection of 50Hz/60Hz from Pixel (50Hz=Low, 60Hz=High) In

20 P82/INT0 Vsync Vert. sync. input In

21 P81/TA4IN - Not used (Output=Low) -

22 P80/TA4OUT - Not used (Output=Low) -

23 P77/TA3IN - Not used (Output=Low) -

24 P76/TA3OUT - Not used (Output=Low) -

25 P75/TA2IN - Not used -

26 P74/TA2OUT WF MUTE PWM output (Not used) Out

27 P73/CTS2/RTS2/TA1IN - Not used (Output=Low) -

28 P72/CLK2/TA1OUT - Not used (Output=Low) -

P71/RXD2/SCL/TA0IN/TB5IN

IIC SCL IIC-SCL ( for EEPROM) -

P70/TXD2/SDA/TA0OUT

IIC SDA IIC-SDA ( for EEPROM) -

31 P67/TXD1 TXD For writing of a flash (Synchronous serial communication.) -

32 P66/RDX1 RXD For writing of a flash (Synchronous serial communication.) -

33 P65/CLK1 SCLK For writing of a flash (Synchronous serial communication.) In

P64/CTS1/RTS1/CLKS1

BUSY For writing of a flash (Synchronous serial communication.) Out

35 P63/TXD0 UART For pixel communication -

36 P62/RXD0 UART For pixel communication -

37 P61/CLK0 - Not used (Open) -

38 P60/CTS0/RTS0 - Not used (Open) -

39 P57/RDY/CLKOUT (LEFT_TURN) Not used (Left turn switch of the TV stand ) Out

40 P56/ALE (RIGHT_TURN) Not used (Right turn switch of the TV stand) Out

41 P55/HOLD EPM EPM input (for writing of a flash) In

42 P54/HLDA COLOUR SW1 Colour system switch from PIXEL In

43 P53/BCLK COLOUR SW2 Colour system switch from PIXEL In

44 P52/RD AUDIO SW1 Audio system switch from PIXEL In

45 P51/WRH/BHE AUDIO SW2 Audio system switch from PIXEL In

46 P50/WRL/WR CE CE input (for writing of a flash) In

47 P47/CS3 JACK MUTE Headphone detection (Headphone Connection=Low) In

48 P46/CS2 -

External Pulldown (10K ohms) In

49 P45/CS1 AMP MUTE2 AMP. mute (Mute on=Low) Out

50 P44/CS0 AMP MUTE1 AMP. mute (Mute on=Low) Out

-10-

Sub CPU (IC801) Port Functions

Pin Pin Name Function Name Description I/O

No.

51 P43/A19 DPMS-SW DPSM On/Off (Off=Low) Out

52 P42/A18 NVM-POWER Power On/Off for Non-volatile memory (Off=Low) Out

53 P41/A17 -

External Pulldown (10K ohms)

54 P40/A16 -

External Pulldown (10K ohms)

55 P37/A15 IIC SCL IIC Bus SCL (for U/V tuner) Out

56 P36/A14 IIC SDA IIC Bus SDA (for U/V tuner) In/Out

57 P35/A13 - Not used (Open) -

58 P34/A12

Not used (Open) -

59 P33/A11 (MONI_MUTE) Not used(Open) (Audio monitor out mute) Out

60 P32/A10 RED Power LED (Red) output (LED off=Low) Out

61 P31/A9 GREEN Power LED (Green) output (LED off=Low) -

62 VCC - 5V standby -

63 P30/A8 OFF TIMER LED Off timer indicate LED (LED Off=Low) Out

64 Vss - GND -

65 P27/A7 - Not used (Open) -

66 P26/A6 SAW SW SAW control Out

67 P25/A5 SYSTEM SW1 Audio system switch to tuner Out

68 P24/A4 SYSTEM SW2 Audio system switch to tuner Out

69 P23/A3 PDP/LCD Detection of PDP or LCD (PDP=Low, LCD=High) In

70 P22/A2 TIME BASE TIME BASE from tuner In

71 P21/A1 - Not used -

72 P20/A0 RST_PXL Detection of PIXEL RST (PIXEL IC RST=Low) In

73 P17/D15/INT5 (IRQ) Not used (Detection of panel error) In

74 P16/D14/INT4 - Not used (Open) -

75 P15/D13/INT3 PWRSW Detection of the main power On/Off (Power on=Low) In

76 P14/D12 WOOFER Detection of Woofer (Without woofer=High) In

77 P13/D11 FAN LOCK1 Unusual stop of a fan-1 (Stop of fan=Low) In

78 P12/D10 SWIVEL Detection of a swivel stand (Without swivel=High) In

79 P11/D9 OPT_TUNER Detection of a tuner maker (SHARP=Low, CHANG HONG=High) In

80 P10/D8 PW_RST PIXEL reset output (Reset off=Low) Out

81 P07/D7 LINEOFF

Detection of the interception signal of a power supply (Line off=Low)

82 P06/D6 P-FAIL1

Detection of the

power failure (2.5V, 3.3V, 5V) Fail.=Low In

83 P05/D5 P-FAIL2

Detection of the

power failure (9V, 12V, 30V) Fail.=Low In

P04/D4

P-FAIL5

Detection of the

power failure of

audio amp. (

Fail.=High) In

85 P03/D3 (CPU_GO) Not used (Power On/Off of CPU) (On=High) Out

86 P02/D2 PDP(LCD)_GO Panel On/Off (On=High) Out

87 P01/D1 - Not used (Open) Out

88 P00/D0 FAN LOCK2 Unusual stop of a fan-2 (Stop of fan=Low) In

89 P107/AN7/K13 (BS_MNT_MUTE) Not used (BS video monitor mute) Out

90 P106/AN6/KL2 AFT INPUT AFT voltage input In

91 P105/AN5/KL1 - Not used (Open) -

92 P104AN4/KL0 T-SENSOR1 Temperature sensor-1 -

93 P103/AN3 (T-SENSOR2) Not used (Temperature sensor-2) -

94 P102/AN2 SENSOR The sensor of brightness. -

95 P101/AN1 KEY-IN Key input In

96 AVSS - GND -

97 P100/AN0 - Not used (Open) -

98 VREF -

Connected to Vcc -

99 AVcc - 5V_Standby -

100 P97/ADTRG/SIN4 (SERIAL_INPUT) (Serial input) In

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