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9

No sound

Defective Reset IC of IC603

1) Check volume and speaker

- Speaker

Defective MSP3440 of IC601

- Sound comes out only when being inputted into Audio 

- Earphone                                                                                            L/R

2) Check after replacing IC603
3) Replace IC601

10

Video color beat noise Earphone shield case being touched

Check the mould of shield and J403, Replace shield case

Soldering IC301 and IC501

Re-soldering

1

Soft touch doesnÕt  

Defective speaker wire

1) Make some space between the speaker wire and 

function properly

and inverter wire

the Soft touch Board by sticking the speaker wire
to the guide hole of the cabinet.

2) Arrange working state of A1. Tape in the inverter wire

and correct working state of the Shield case.

2

Soft touch doesnÕt

1) Broken components and

1) Check Soft touch with eyes

function

soldering of them

Check and repair soldering

2) P401 connector error

2) Check and repair the P401 connector

3

No screen

Input error of inverter connector

1) Bend the pin legs of P801 connector -> recheck them
2) Check and repair the IC801, IC802 SI4925

P502 and Pin 21 connector

1) Check and fix P502 connector

being slipped out

2) Check and fix the components at P502 LCD module 

and at main board.

Cracked components and

1) Check and repair tuner board and main board

soldering at tuner board 

2) Solder Q301, Q302, Q402, Q403, Q801 and R802.

4

Dark screen

1) Defective LCD lamp

1) Replace the inverter

2) Defective inverter

2) Replace the LCD lamp

5

Broken OSD display

Defective the font rom of IC505

Replace the font rom of IC505

-  15 -

TROUBLESHOOTING

1. General Features

2. PC Mode

No.

Symptom

Cause

Check Point

No.

Symptom

Cause

Check Point

Check Point

6

Screen noise

Clock or phase being

1) Resettig is needed according to the video card of each

not able to be adjusted

PC

2) Adjust auto configure operation.

7

Screen position error

Screen position error

Adjust horizontal and vertical position until the screen

horizontally or vertically

displayes normally

8

Color beat noise

Soldering AD converter

Recheck adn repair AD9884

or making it short

3. TV and external input

No.

Symptom

Cause

Summary of Contents for LC1500

Page 1: ...USTMENT INSTRUCTION 3 4 DESCRIPTION OF BLOCK 5 5 TROUBLESHOOTING 15 6 BLOCK DIAGRAM 16 7 REPLACEMENT PARTS LIST 16 8 EXPLODED VIEW 17 9 FACTORY SPARE PARTS LIST 18 LC1500 U1S R LC1500 Printed in Japan Please use this service manual with referring to the user guide D F U without fail Service Manual Printed on 100 Recycled Paper ...

Page 2: ...741 0301 BRAZIL PHILIPS DA AMAZONIA IND ELET ITDA CENTRO DE INFORMACOES AO CEP 04698 970 SAO PAULO SP BRAZIL PHONE 0800 123123 Discagem Direta Gratuita FAX 55 11 534 8988 JAPAN Technical MARANTZ JAPAN INC 35 1 7 CHOME SAGAMIONO SAGAMIHARA SHI KANAGAWA JAPAN 228 8505 PHONE 81 42 748 1013 FAX 81 42 741 9190 EUROPE TRADING MARANTZ EUROPE B V P O BOX 8744 BUILDING SILVERPOINT BEEMDSTRAAT 11 5653 MA EI...

Page 3: ...ce 250 cd m2 typ 2 3 Contrast Ratio 300 1 typ 3 SIGNAL Refer to the Timing Chart 3 1 Sync Signal 1 Type Separate Sync Horizontal Vertical 2 Input Voltage Level Low 0 0 8V High 2 1 5 5V 3 Sync Polarity Positive or Negative 3 2 Video Input Signal 1 Type R G B Analog 2 Voltage Level 0 7 V 3 Input Impedance 75 W 3 3 Operating Frequency Horizontal 31 60kHz Vertical 56 85Hz 4 POWER SUPPLY 4 1 Power Adap...

Page 4: ...body are grounded through wrist band Do not leave the module in high temperature and in areas of high humidity for a long time The module not be exposed to the direct sunlight Avoid contact with water as it may a short circuit within the module If the surface of panel become dirty please wipe it off with a softmaterial Cleaning with a dirty or rough cloth may damage the panel WARNING BE CAREFUL EL...

Page 5: ...Run can be changed owing to production plan 3 PC Input Mode Adjustment 3 1 Required Test Equipment 1 A pattern generator being in proportion to VG819 Pattern of 64 tones 2 A remote control 3 2 Preparation for Adjustment 1 Perform Heat Run for more than 30 minutes in white pattern 2 Connect the signal of pattern generator with LCD TV 3 Lean the set 45º backward Adjustment is easy 4 Set the PC mode ...

Page 6: ...625 600 25 2 POS 22 1 SVGA 60 1056 800 256 128 POS 88 40 37 879 40 0 628 600 28 4 POS 23 1 SVGA 72 1040 800 240 120 POS 64 56 48 077 50 0 666 600 66 6 POS 23 37 Mode H_Total H_Display H_Blanking H_Sync H Polarity H_Bp H_Fp H Freq KHz Clk MHz V_Total V_Display V_Blanking V_Sync V Polarity V_Bp V_Fp SVGA 75 1056 800 256 80 POS 160 16 46 875 49 5 625 600 25 3 POS 21 1 SVGA 85 1048 800 248 64 POS 152 ...

Page 7: ...25MHz crystal few external components Embedded RISC controller 80 MIPS I2C Bus interface Single 5V power supply 64 pin PSDIP package 5 DESCRIPTION OF BLOCK 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 CAPL_M AHVSUP CAPL_A SC1_OUT_L SC1_OUT_R VREF1 SC2_OUT_L SC2_OUT_R ASG3 NC DACM_SUB N...

Page 8: ...tive Comb Filter Color Decoder NTSC PAL SECAL Saturation Tint MIXER 2D Scaler PIP Panorama Mode Contrast Brightness Peaking Output Formatter ITU R 656 ITU R 601 Memory Control AGC 2 ADC CIN1 VIN1 VIN2 VIN3 VIN4 VOUT Y OUT CrCb OUT YCOE FIFO CNTL 20 25MHz Y Cr Cb NTSC PAL Clock Gen Y Cr Cb FB Y G U B V R FB RGB YCbCr FB RGB YCbCr LL Clock H Sync Vsync CNTL AVI0 ...

Page 9: ...d1 Cr1 Analog Component Input Blue2 Cb2 Analog Component Input Green2 Y2 Analog Component Input Red2 Cr2 Analog Component Input Analog Shield GND F No connected Supply Voltage Digital Decoupling Circuitry Supply Voltage Digital Circuitry Ground Digital Circuitry Ground Digital Decoupling Circuitry I2C Bus Clock I2C Bus Data Reset Input Active Low Test Pin connect to GND D VGAV Input Y C Output Ena...

Page 10: ...icture Bus Chroma Picture Bus Chroma Picture Bus Chroma Picture Bus Chroma LSB Ground Sync Pad Circuitry Supply Voltage Sync Pad Circuitry Interlace Output Active Video Output Front Sync Horizontal Clamp Pulse Main Sync Horizontal Sync Pulse Vertical Sync Pulse Front End Back End Data Standby Supply Voltage CCU 5 MHz Clock Output No connected Analog Crystal Input Analog Crystal Output Analog Shiel...

Page 11: ...VSUP AVSUP ANA_IN1 ANA_IN ANA_IN2 TESTEN XTAL_IN XTAL_OUT TP AUD_CL_OUT NC NC D_CTR_I O_1 D_CTR_I O_0 ADR_SEL STANDBYQ NC NC AVSS AVSS MONO_IN NC VREFTOP SC1_IN_R SC1_IN_L ASG1 SC2_IN_R SC2_IN_L ASG2 SC3_IN_R SC3_IN_L ASG4 SC4_IN_R SC4_IN_L NC AGNDC AHVSS AHVSS NC NC NC I 2 C_CL I 2 C_DA I 2 S_CL I 2 S_WS I 2 S_DA_OUT I 2 S_DA_IN1 ADR_DA ADR_WS ADR_CL DVSUP DVSUP DVSUP DVSS DVSS DVSS I 2 S_DA_IN2 ...

Page 12: ...LV LV X X GND GND GND GND X X GND GND GND GND GND Not connected I2C clock I2C data I2S clock I2S clock I2S word strobe I2S data output I2S1 data input ADR data output ADR word strobe Supply Voltage Digital Circuitry Ground Digital Circuitry Ground I2C Bus Clock I2C Bus Data Reset Input Active Low Test Pin connect to GND D VGAV Input Y C Output Enable Input Active Low FIFO Input Enable FIFO Write E...

Page 13: ...Picture Bus Chroma Supply Voltage Chroma Output Circuitry Ground Chroma Output Circuitry Picture Bus Chroma Picture Bus Chroma Picture Bus Chroma Picture Bus Chroma LSB Ground Sync Pad Circuitry Supply Voltage Sync Pad Circuitry Interlace Output Active Video Output Front Sync Horizontal Clamp Pulse Main Sync Horizontal Sync Pulse SCART 1input right Reference voltage IF A D converter Not connected ...

Page 14: ...1280X1024 60Hz operation mode Support YCrCb422 RGB888 mode Interlace Progressive Support TTL clock input Single and dual bit RGB data output Built in YCrCb to RGB color space converter Built in programmable Brightness and Contrast control Support Horizontal and Vertical position adjustment 12 3 2 Block Diagram Scale Down with SmartScaling 2 Technology Autotracking Autoposition Autogain Mode Detect...

Page 15: ... 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 NC NC NC V D ND ND R AIN V D ND V D V D ND ND GIN G AIN V D ND V D V D ND ND B AIN V D ND V D ND NV MP DA SCL A 0 A 1 PV D PV D ND NC NC ND D R B 0 D R B 1 D R B 2 D R B 3 D R B 4 D R B 5 D R B 6 D R B 7 V DD GND D G A 0 D G A 1 D G A 2 D G A 3 D G A 4 D G A 5 D G A 6 D G A 7 V DD GND D G B 0 D G B 1 D G B 2 D G B 3 D G B ...

Page 16: ...Main Power Supply Digital Output Power Supply Clock Generator Power Supply Ground 0 5V to 1 0V FS 0 5V to 1 0V FS 0 5V to 1 0V FS 3 3V CMOS 3 3V CMOS 3 3V CMOS 0 5V to 1 0V FS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 3 3V CMOS 1 25V 1 25V 10 3 3V 10 2 5V to 3 3V 10 3 3V 10 0V 7 15 22 40 41 ...

Page 17: ...tor 1 Bend the pin legs of P801 connector recheck them 2 Check and repair the IC801 IC802 SI4925 P502 and Pin 21 connector 1 Check and fix P502 connector being slipped out 2 Check and fix the components at P502 LCD module and at main board Cracked components and 1 Check and repair tuner board and main board soldering at tuner board 2 Solder Q301 Q302 Q402 Q403 Q801 and R802 4 Dark screen 1 Defecti...

Page 18: ...T PARTS LIST EXPLODED VIEW PARTS ACCESSOORIES PARTS AND MICOM These are the parts which can be supplied NO LOCA NO PART NO MARANTZ PART NO DESCRIPTION 120 6400VA0034A QJ100250R SPEAKER GENERALC040A01K1450 ESTEC 8OHM 3 5W 8 300 3091V00350B 347W248210 CABINET ASS Y LN 15A12 3090V00278 MARANTZ 310 5020V00537A 347W270210 BUTTON CONTROL 8KEY LJ 15A12 SOFT TOUCH 400 3809V00168W 347W064210 BACK COVER ASS...

Page 19: ... 17 EXPLODED VIEW 310 301 300 120 174 112 530 540 913 500 400 943 430 440 420 A3 410 120 ...

Page 20: ... 85V 300MA KEC LED SM3411 DL 11S2GN1 BK Y GREEN ZENERS MTZJ33B LOCA NO PART NO DESCRIPTION IC101 IC102 IC104 IC105 IC106 IC108 IC109 IC201 IC202 IC301 IC401 IC402 IC501 IC502 IC503 IC505 IC507 IC601 IC602 IC603 IC604 IC605 IC701 IC702 IC803 IC804 IC809 Q118 Q119 Q120 IC506 IC801 IC802 IC805 IC806 IC807 IC808 Q103 Q105 Q106 Q107 Q108 Q111 Q112 Q113 0IAL241610B 0IFA754207A 0IKE780500Q 0ISA721700C 0I...

Page 21: ...2 16V 10 R TP X7R 220000PF 2012 16V 10 R TP X7R 2 2UF STD 50V 20 10UF SRE 16V M LOCA NO PART NO DESCRIPTION C431 C432 C544 C586 C595 C597 C601 C602 C613 C619 C621 C622 C623 C625 C628 C629 C630 C631 C635 C637 C638 C639 C640 C642 C643 C644 C648 C649 C650 C652 C711 C712 C801 C804 C805 C811 C812 C813 C816 C819 C821 C822 C823 C824 C825 C826 C827 C958 C959 F801 0CE1063F618 0CE1063F618 0CE687DD618 0CE477...

Page 22: ...6 501 3216MM R FILTER CIRC EMC BK3216 4S600 FILTER CIRC EMC BK3216 4S600 LOCA NO PART NO DESCRIPTION LA503 LA504 LA505 LA506 LA507 LA508 LA509 LA510 LA511 LA512 LA513 LA514 LA515 LA516 LA517 LA518 LA519 LA520 LA521 LA522 LA523 LA524 LA525 R540 RA507 P001B PA001 J401 SP701 TU301 X101 X301 X501 X502 X601 A4 6210VC0004A 6210VC0004A 6210VC0004A 6210VC0004A 6210VC0004A 6210VC0004A 6210VC0004A 6210VC000...

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