Sanyo DP46848 Service Manual
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Sanyo DP46848 Service Manual

Remote control digital color television
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See also: Owner's Manual
SERVICE MANUAL
Servicing should be performed by only trained and qualified service personnel.
Contents
SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 3
ON-SCREEN SERVICE MENU . . . . . . . . . . . . . . . . . . . . . 4
POWER FAILURE CIRCUIT . . . . . . . . . . . . . . . . . . . . . . . 5
MECHANICAL DISASSEMBLY. . . . . . . . . . . . . . . . . . . 6-9
CHASSIS ELECTRICAL PARTS LIST . . . . . . . . . . . . 10-25
CABINET PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 26
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 30
BLOCK DIAGRAM SIGNAL LINES . . . . . . . . . . . . . . . . 31
IC BLOCK DIAGRAMS . . . . . . . . . . . . . . . . . . . . . . . 32-39
TROUBLESHOOTING FLOW CHARTS . . . . . . . . . . 40-42
CONTROL PORT FUNCTIONS . . . . . . . . . . . . . . . . . 43-44
SIGNAL FLOW CHARTS . . . . . . . . . . . . . . . . . . . . . . 45-52
SCHEMATIC NOTES . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . 57-58
DP46848, N6EE, PRODUCT CODE 113014204
Remote Control Digital
Color Television
FILE NO.
DP46848
ORIGINAL VERSION
Chassis No. P46848-00
NOTE: Match the Chassis No. on
the unit's back cover with
the Chassis No. in the
Service Manual.
If the Original Version
Service Manual Chassis
No. does not match the
unit's, additional Service
Literature is required. You
must refer to "Notices" to
the Original Service Manual
prior to servicing the unit.

Specifications

POWER RATING . . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
ANTENNA INPUT IMPEDANCE. . . . . . . . . . . . . . . . . 75Ω
RECEIVING CHANNEL . . . . . . . . . . . . . . . . . 2 - 13 (VHF),
REMOTE READY. . . . . . . . . 32 KEY REMOTE CONTROL
SOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . 5.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHz
SOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHz
COLOR SUB CARRIER . . . . . . . . . . . . . . . . . 42.17MHz
CABINET DIMENSIONS
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1112.5mm
HEIGHT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 800.1mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . 271.8mm
REFERENCE No.
(U.S.A.)
(CANADA)
280W (AVG.)
UHF/VHF/CATV
DIGITAL
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
SM
780153

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Do you have a question about the DP46848 and is the answer not in the manual?

Questions and answers

Kulu mongo
March 11, 2025

What should I do as the sanyo tv is showing "ensure aeroalis plugged in"and "do u want to start automatic research?"

0
2 comments:
Mongolpirlo
March 11, 2025

@Kulu mongo

0
Mr. Anderson
March 11, 2025

Check the antenna connections to ensure they are properly plugged in. Then, select "Yes" to start the automatic channel search. If no digital signals are found, adjust the antenna, install a signal booster, or restart the channel search.

This answer is automatically generated

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Summary of Contents for Sanyo DP46848

  • Page 1: Table Of Contents

    SCHEMATIC DIAGRAMS ..... 57-58 DEPTH INCLUDING BASE ....271.8mm DP46848, N6EE, PRODUCT CODE 113014204 REFERENCE No.

  • Page 2: Safety Instructions

    SAFETY INSTRUCTIONS SAFETY PRECAUTIONS READING SHOULD NOT EXCEED 750 mV. AC VOLTMETER WARNING: The chassis of this receiver has a floating (5000 ohms per volt or more sensitivity) ground with the potential of one half the AC line voltage in respect to earth ground.

  • Page 3: Service Adjustments

    SERVICE ADJUSTMENTS GENERAL This set has an On-screen Service Menu system included in Volume – the CPU that allows remote operation for most of the ser- Enter Service Menu vice adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: •...

  • Page 4: On-Screen Service Menu

    ON-SCREEN SERVICE MENU Table 1. ON-SCREEN SERVICE MENU When IC801 (EEPROM) is replaced, check the bus data to confirm they are the same as below. See page 3 for On-Screen Service Menu access and adjustments. Title Initial Data Note MUTE Audio mute at Power ON Volume setup inspection Option 1 Data (HDMI)

  • Page 5: Power Failure Circuit

    POWER FAILURE CIRCUIT Check the following if the unit is turned off by the power CPU (IC800) is programmed so the set will go to standby failure detector. mode when there is circuit failure as described below. (Refer to“Block Diagram Power Lines”.) 1.

  • Page 6: Mechanical Disassembly

    MECHANICAL DISASSEMBLY ATTENTION This LCD TV uses several different kinds of screws. Using the correct screw is required to prevent damage. The gaskets are provided to prevent interference to other radio and television receivers. The gaskets must be returned to their previous positions after servicing. Lead wires must be redressed to previous positions after servicing.
  • Page 7 MAIN BOARD, POWER UNIT AND STAND REMOVAL Power Unit Main Unit Power Shield 1: Stand Removal Position TV face down on a padded or cushioned surface to protect the screen. Remove 4 screws (C:6X16) and remove the stand. 2: Main Board Removal Remove 5 screws (A:3X14) to take the main board off.
  • Page 8 BACK CABINET REMOVAL Remove 20 screws to take the back cabinet off. A (3X14), 14 pcs, D(4X8), 6pcs LCD PANEL AND SPEAKER REMOVAL 1. Disconnect the lead wires from LCD panel, speakers, and control board. 2. Lift up the LCD panel from the cabinet. SPEAKER REMOVAL Remove 4 screws (A:3X14) to take off each speaker.
  • Page 9 CONTROL BOARD REMOVAL Remove 1 screw to take the control board off. A (3X14). — 9 —...

  • Page 10: Chassis Electrical Parts List

    CHASSIS ELECTRICAL PARTS LIST CAUTION: To Protect against electrical shock and for continued product safety, refer to SAFETY PRECAUTIONS, and PRODUCT SAFETY NOTICE on Page 2. PRODUCT SAFETY NOTICE PRODUCT SAFETY SHOULD BE CONSIDERED WHEN A REPLACEMENT IS MADE IN ANY AREA OF A RECEIVER. COMPONENTS INDICATED BY A IN THIS PARTS LIST AND THE SCHEMATIC DIAGRAM DESIGNATE COMPONENTS IN WHICH SAFETY CAN BE OF SPECIAL SIGNIFICANCE.
  • Page 11 Schematic Schematic Part No. Part No. Description Description Location Location CAPACITORS C1617 CK1H103KLZBNG CERAMIC 0.01U K C1618 CK1H392KLZBNG CERAMIC 3900P K C001 CPXLB1C100YAJ NP-ELECT 10U M C1620 CK1H103KLZBNG CERAMIC 0.01U K CPXLB1C100ZAJ NP-ELECT 10U M C1621 CK1H104ZLZFNG CERAMIC 0.1U Z C002 CK1H104ZLZFNG CERAMIC...
  • Page 12 Schematic Schematic Part No. Part No. Description Description Location Location C3205 CK1H222KLZBNG CERAMIC 2200P K C5545 CK1A105KLZBNG CERAMIC 1U K C3206 CK1H104KLZBNG CERAMIC 0.1U K C5546 CK1A105KLZBNG CERAMIC 1U K C3208 CK1A105KLZBNG CERAMIC 1U K C5547 CK0J106KGMBNG CERAMIC 10U Z 6.3V C3209 CK1A105KLZBNG...
  • Page 13 Schematic Schematic Part No. Part No. Description Description Location Location C5612 CC1H470JLZCNG CERAMIC 47P J C5682 CK1A105KLZBNG CERAMIC 1U K C5614 CC1H470JLZCNG CERAMIC 47P J C5683 CK1H104ZLZFNG CERAMIC 0.1U Z C5615 CC1H470JLZCNG CERAMIC 47P J C5684 CK1H104ZLZFNG CERAMIC 0.1U Z C5617 CC1H470JLZCNG CERAMIC...
  • Page 14 Schematic Schematic Part No. Part No. Description Description Location Location C5744 CK1H104ZLZFNG CERAMIC 0.1U Z C6112 CK1H104ZLZFNG CERAMIC 0.1U Z C5745 CK1H104ZLZFNG CERAMIC 0.1U Z C6118 CK1H103KLZBNG CERAMIC 0.01U K C5746 CK1H104ZLZFNG CERAMIC 0.1U Z C6119 CK1H103KLZBNG CERAMIC 0.01U K C5747 CK1A105KLZBNG CERAMIC...

  • Page 15: Integrated Circuits

    Schematic Schematic Part No. Part No. Description Description Location Location C6504 CK1H104ZLZFNG CERAMIC 0.1U Z IC801 QLE24C042M-EP IC LE24C042M-TLM-E C6505 CK1H104ZLZFNG CERAMIC 0.1U Z QXXAVC820---P IC AT24C04N-10SU-1.8 C6509 CK1H104ZLZFNG CERAMIC 0.1U Z QXXAVC844---P IC CAT24C04WI-GT3 C6510 CK1H104ZLZFNG CERAMIC 0.1U Z IC802 QTC7SET08FU-P IC TC7SET08FU...
  • Page 16 Schematic Schematic Part No. Part No. Description Description Location Location L1624 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1728 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1625 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1729 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1626 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L1730 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W...
  • Page 17 Schematic Schematic Part No. Part No. Description Description Location Location L5591 1LB4L26B0700G INDUCTOR, 120 OHM L6312 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L5592 1LB4L26B0700G INDUCTOR, 120 OHM L6354 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L5593 1LB4L26B0700G INDUCTOR, 120 OHM L6355 RGFR000ZTAANL MT-GLAZE 0.000 ZA 1/10W L5594 1LB4L26B0700G INDUCTOR, 120 OHM...
  • Page 18 Schematic Schematic Part No. Part No. Description Description Location Location Q1007 TXXLBB006---P TR MMBTSC3928R Q1612 TXXLBB006---P TR MMBTSC3928R T2SC2412K-R-P TR 2SC2412K T146 R T2SC2412K-R-P TR 2SC2412K T146 R T2SC2412K-S-P TR 2SC2412K T146 S T2SC2412K-S-P TR 2SC2412K T146 S T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L7-P...
  • Page 19 Schematic Schematic Part No. Part No. Description Description Location Location Q5771 TXXLBB006---P TR MMBTSC3928R Q5807 TXXLBB006---P TR MMBTSC3928R T2SC2412K-R-P TR 2SC2412K T146 R T2SC2412K-R-P TR 2SC2412K T146 R T2SC2412K-S-P TR 2SC2412K T146 S T2SC2412K-S-P TR 2SC2412K T146 S T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L7-P...
  • Page 20 Schematic Schematic Part No. Part No. Description Description Location Location Q6361 TXXLBB006---P TR MMBTSC3928R Q809 TXXLBB006---P TR MMBTSC3928R T2SC2412K-R-P TR 2SC2412K T146 R T2SC2412K-R-P TR 2SC2412K T146 R T2SC2412K-S-P TR 2SC2412K T146 S T2SC2412K-S-P TR 2SC2412K T146 S T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L6-P TR 2SC2812-L6-TB T2SC2812-L7-P...
  • Page 21 Schematic Schematic Part No. Part No. Description Description Location Location RESISTORS R879 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R880 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R001 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R881 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R002 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R882 RGF2200JTCANL MT-GLAZE...
  • Page 22 Schematic Schematic Part No. Part No. Description Description Location Location R1054 RGF4700JTCANL MT-GLAZE 470 JA 1/10W R1630 RGF4701FTCANL MT-GLAZE 4.7K FA 1/10W R1055 RGF1001JTCANL MT-GLAZE 1K JA 1/10W R1631 RGF7500FTCANL MT-GLAZE 750 FA R1056 RGF1003JTCANL MT-GLAZE 100K JA 1/10W R1632 RGF1201FTCANL MT-GLAZE 1.2K FA...
  • Page 23 Schematic Schematic Part No. Part No. Description Description Location Location R3205 RGFR000ZTCANL MT-GLAZE 0.000 ZA 1/10W R5597 RGF75R0JTCANL MT-GLAZE 75 JA 1/10W R5501 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R5598 RGF75R0JTCANL MT-GLAZE 75 JA 1/10W R5504 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R5599 RGF75R0JTCANL MT-GLAZE...
  • Page 24 Schematic Schematic Part No. Part No. Description Description Location Location R5839 RGF1002JTCANL MT-GLAZE 10K JA 1/10W R6215 RGF6802FTCANL MT-GLAZE 68K FA 1/10W R5840 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R6217 RGF4701JTCANL MT-GLAZE 4.7K JA 1/10W R5843 RGF1000JTCANL MT-GLAZE 100 JA 1/10W R6218 RGF4701JTCANL MT-GLAZE...

  • Page 25: Power Board

    Schematic Schematic Part No. Part No. Description Description Location Location R6528 RGF4702JTCANL MT-GLAZE 47K JA 1/10W SWITCHES R6529 RGF4702JTCANL MT-GLAZE 47K JA 1/10W SW1901 1AV4S10B0722J SWITCH, PUSH R6530 RGF4702JTCANL MT-GLAZE 47K JA 1/10W SW1902 1AV4S10B0722J SWITCH, PUSH R6531 RGF1002JTCANL MT-GLAZE 10K JA 1/10W SW1903 1AV4S10B0722J...

  • Page 26: Cabinet Parts List

    OWNERS MANUAL 1AA2CAM0647-- 46 CABINET FRONT 1AV0U10B43105 ASSY, REMOCON 1AA2CBM0461-- 46 CABINET BACK 1JC4D2BT0001- BATTERY ENELOOP AAA 1AA2LDM0007-- LID BACK 1AA2SDM0200-- 46 STAND BASE 1AA2BUM0571-- BUTTON UNITED 1AA2DEM0468-- DEC IND 1AA2DES0951-- DEC SHEET 1080P 1AV2BAAS015AB BADGE, SANYO — 26 —...

  • Page 27: Component And Testpoint Locations

    COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE L7017 KUSB2 R1053 L7016 SC1012 KCOM K802 SC1016 L7008 IC001A R1068 L5552 L7023 R1064 IC001B SC1015 K801 L5554 R1060 L1613 IC001 R1603 SC1014 R1602 R1056 Q808 L1611 SC1013 L1606 L5556 L1608 R805 R804 K_JIGU R813...
  • Page 28 COMPONENT AND TESTPOINT LOCATIONS (CONT.) MAIN BOARD FOIL SIDE KUSB2 L7001 L7002 L9101 L7024 L6106 SOLDER SIDE L7022 KCOM L7007 1AA4B10N21300 L1620 C1605 L1610 L9100 IC001A L1609 K801 IC001B K802 C1603 C002 IC001 L1695 L1625 R5976 C1693 C5972 L1691 L1624 R5974 C1690 L002...
  • Page 29 CONTROL BOARD PART SIDE K19FRA D1901 C1902 PWB,CONTROL-N6EE L1901 1AA4B10N2160A C1908 A30C5 CH.- CH.+ VOL.- VOL.+ POWER SW1903 SW1904 SW1905 SW1902 SW1901 CONTROL BOARD SOLDER SIDE A1901 D1901 PWB,CONTROL-N6EE 1AA4B10N2160A K19FRA J1903 J1901 C1902 L1901 C1901 J1902 C1904 C1903 C1910 C1909 C1907 C1905...

  • Page 30: Block Diagram Power Lines

    BLOCK DIAGRAM POWER LINES — 30 —...

  • Page 31: Block Diagram Signal Lines

    BLOCK DIAGRAM SIGNAL LINES — 31 —...

  • Page 32: Ic Block Diagrams

    IC BLOCK DIAGRAMS IC001, Audio AMP Standby Input Amplifier + OUT1 IN 1 Output Amplifier 30k Ω - OUT1 MUTE Vcc/ground shorting protection circuit Load shorting protection circuit Thermal protection circuit PRE\ + OUT 2 Output Amplifier 30k Ω - OUT 2 Input Amplifier Ripple Filter...
  • Page 33 IC BLOCK DIAGRAMS (CONT.) IC1600, DC to DC Converter OCP1- OCP1- Muster mode latch VREF – MASTER OCP1 /SLAVE VREF (2.5V) (VCC-5V) UVLO – 2.8V 50mVV± 10mV DT1Low DT1OFF 1.25V VREF 1V± 10mV 2μA OUT1 – – SS1OFF 1NV1 PROTECTION LOGIC DT1Low SS1OFF 200μA...
  • Page 34 IC1650, DC to DC Converter — 34 —...
  • Page 35 IC BLOCK DIAGRAMS (CONT.) IC5500 Screen Controller and video processor Panel — 35 —...
  • Page 36 IC5700, DDR: Double Data Rate SDRAM — 36 —...
  • Page 37 IC BLOCK DIAGRAMS (CONT.) IC6270, Audio A/D AINOPL AINOPR DIGITAL AINL FILTERS DOUT LRCLK AUDIO BCLK INTERFACE MCLK DIGITAL AINR FILTERS CONTROL INTERFACE IC3200, Audio Controller — 37 —...
  • Page 38 IC6400, LVDS Transmitter R17 - R10 G17 - G10 B17 - B10 R27 - R20 G27 - G20 B27 - B20 HSYNC, VSYNC, DE R_FB, R_FDE, DUAL PWR_UP CLK1 PLLSEL CLK2 DCLK IC5900, Voltage detecting delay circuit BLOCK DIAGRAM N.C. SUPPLY VOLTAGE N.C.
  • Page 39 IC BLOCK DIAGRAMS (CONT.) IC1670, DC to DC Converter IC6504, HDMI Switch selector — 39 —...

  • Page 40: Troubleshooting Flow Charts

    TROUBLESHOOTING FLOW CHARTS NO POWER Trouble Shooting Video US1H(42/46) Check: Power Unit fuse open? the voltage Check: Power Unit to "5V_STBY" line supplied? All 0V (except '5V_STBY' line) the voltage to all lines Check: arround supplied? CPU (IC800), IC (IC801), Crystal (X801), Power Unit (or the voltage to some lines is not supplied.) After a few seconds, the set will be switched off.
  • Page 41 TROUBLESHOOTING FLOW CHARTS (CONT.) NO AUDIO Is there Check: All Modes ? signal at speaker Speaker (SP901, SP902) terminal ? Is there Check: signal at IC001 3pin (L) Line: IC001 7pin - IC800 (CPU) 22pin (Mute) or 5pin (R) ? Parts: Around IC001 (Audio AMP.) Check: Parts: Around IC3200 (Audio Control)
  • Page 42 NO VIDEO Trouble Shooting Video US1H(42/46) Check: RF(TV) ,Digital(TV) All Inputs? Line: A6100 21pin - IC5500 AK19pin A6100 20pin - IC5500 AK20pin only Parts: Around A6100 (TU_IF), IC5500 Check: AV1 only Line: Terminal(CV) - Q5802,5806 - IC5500 AK21pin Terminal(Y) - Q5803,5807 - IC5500 AG15pin Terminal(C) - Q5804,5808 - IC5500 AG13pin Parts: Around IC5500 Check:...

  • Page 43: Control Port Functions

    CONTROL PORT FUNCTIONS System Control (CPU : IC800) Name Function Description P12/SCK0 Reserve (OPEN) P13/SO1 Reserve (OPEN) P14/SI1/SB1 IIC-BUS for NV DATA Active ‘L’ for IIC data NV P15/SCK1 IIC-BUS for NV CLOCK Active ‘L’ for IIC clock NV P16/T1PWML REG SW2 REG SW2 (ON:High OFF:Low) P17/T1PWMH/BUZ...
  • Page 44 CONTROL PORT FUNCTIONS (CONT.) System Control (CPU : IC800 CONT.) Name Function Description P73/INT3/T0IN Rcin RC Input RESET in Microcomputer Reset RESET:Low Normal:High XT1/AN10 Conect to VDD1 XT2/AN11 Reserve (OPEN) VSS1 GND(0Vdc) Main Clock IN (Fosc=8MHz) Main Clock OUT (Fosc=8MHz) VDD1 Power IN 5V(5Vdc±10%)

  • Page 45: Signal Flow Charts

    SIGNAL FLOW CHARTS WHEN A DIGITAL-RF CHANNEL IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 DEMUX RS-232C Video Decode HDMI1 (or DVI) Clock (24.576MHz) I²C Audio Video RESET HDMI2 I²C Scaler HDMI3...
  • Page 46 WHEN AN ANALOG-RF CHANNEL IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 DEMUX RS-232C Video Decode HDMI1 (or DVI) Clock (24.576MHz) I²C RESET HDMI2 I²C Scaler HDMI3 Video I²C S/P DIF RF-IN 8VSB...
  • Page 47 SIGNAL FLOW CHARTS (CONT.) WHEN A VIDEO INPUT (VIDEO1) IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 DEMUX RS-232C Video HDMI1 (or DVI) Decode Clock (24.576MHz) I²C HDMI2 RESET I²C Scaler HDMI3...
  • Page 48 WHEN VIDEO 2 IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video Video 2 (Component) Video 3 (Component) MPEG2 DEMUX RS-232C Video Decode HDMI1 (or DVI) Clock (24.576MHz) I²C HDMI2 RESET Video I²C Scaler HDMI3 I²C S/P DIF RF-IN Audio...
  • Page 49 SIGNAL FLOW CHARTS (CONT.) WHEN VIDEO 3 IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 Video DEMUX RS-232C Video Decode HDMI1 (or DVI) Clock (24.576MHz) I²C RESET Video HDMI2 I²C Scaler HDMI3...
  • Page 50 WHEN HDMI-3 IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 HDMI RS-232C Video HDMI1 (or DVI) Decode Clock (24.576MHz) I²C Video HDMI2 RESET I²C Audio Scaler HDMI3 I²C S/P DIF RF-IN Audio NTSC...
  • Page 51 SIGNAL FLOW CHARTS (CONT.) WHEN HDMI-2 IS SELECTED DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 HDMI RS-232C Video Decode HDMI1 (or DVI) Clock (24.576MHz) I²C Video RESET HDMI2 I²C Audio Scaler HDMI3 I²C...
  • Page 52 WHEN HDMI-1 IS SELECTED (DVI) DDR2 DDR2 SPI Flash 256Mbit 256Mbit (32 Mbit) (400MHz) (400MHz) Video 2 (Component) Video 3 (Component) MPEG2 HDMI RS-232C Video HDMI1 (or DVI) Decode Clock (24.576MHz) I²C Video HDMI2 RESET I²C Scaler HDMI3 I²C S/P DIF RF-IN Audio NTSC...

  • Page 53: Schematic Notes

    SCHEMATIC NOTES NOTES ON SCHEMATIC DIAGRAMS 1. All resistance values in ohms K=1,000 M=1,000,000. 2. Resistors specified with resistance value are “1/6DJ. ” 3. Resistors specified with type of resistor, tolerence and resistance value are “1/4. ” 4. Unless otherwise noted on schematic, all capacitor values less than 1 are expressed in µF (Micro Farad), and the values more than 1 are in pF .

  • Page 54: Ic, Diode, And Transistor Pin Layouts

    IC, DIODE, AND TRANSISTOR PIN LAYOUTS INTEGRATED CIRCUITS PHOTO COUPLERS DIODES TRANSISTORS TOP VIEW TOP VIEW MARK COUNT TERMINALS IN ARROW DIRECTION SIDE VIEW INFRARED EMITTING B ... BASE C ... COLLECTOR A..ANODE E ... EMITTER K..CATHODE CHIP TRANSISTORS CHIP RESISTORS TOP VIEW TOP VIEW 12 x 10 = 12K ohm...

  • Page 55: Pc Board Connections And Locations

    PC BOARD CONNECTIONS AND LOCATIONS — 55 —...

  • Page 56: Capacitor And Resistor Code Chart

    Y ......Wire Wound C ......Solid D ......Carbon Film W ......Wire Wound For parts or service contact Sanyo Manfacturing Corporation P .O. Box 2000 3333 Sanyo Road Forrest City, Arkansas 72335-2000 Apr 2008 SMC Published in U.S.A.

  • Page 57: Schematic Diagrams

    MODEL DP46848 Chassis No. P46848-00 SCHEMATIC DIAGRAMS ELECTROSTATICALLY SENSATIVE DEVICES TO SPEAKER Many solid-state devices (especially Integrated Circuits) are Electrostatically Sensitive, and, therefore, require special handling techniques as described under C1609 C1610 L1614 “Servicing Electrostatically Sensitive Devices, ” on page two in this service literature.
  • Page 58 MODEL DP46848 Chassis No. P46848-00 SCHEMATIC DIAGRAMS ELECTROSTATICALLY SENSATIVE DEVICES Many solid-state devices (especially Integrated Circuits) are Electrostatically L5805 Sensitive, and, therefore, require special handling techniques as described under 1/10GZ0.0 “Servicing Electrostatically Sensitive Devices, ” on page two in this service literature.

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