Sanyo DP26648 Service Manual
Sanyo DP26648 - 26" LCD TV Manual
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- Sanyo DP26648 | Service Manual - Page 1
30-37 TROUBLESHOOTING FLOW CHARTS 38-40 CONTROL PORT FUNCTIONS 41-42 SIGNAL FLOW CHARTS 43-51 SCHEMATIC NOTES 52 IC, DIODE, AND TRANSISTOR PIN LAYOUTS 53 PC BOARD CONNECTIONS AND LOCATIONS 54 CAPACITOR AND RESISTOR CODE CHART 55 SCHEMATIC DIAGRAMS 56-57 Specifications POWER RATING 120VAC - Sanyo DP26648 | Service Manual - Page 2
to see that no stray parts or tools have been left inside. Before returning any television to the customer, the service technician must perform the following safety checks to be sure that the unit is completely safe to operate without danger of electrical shock. ANTENNA COLD CHECK Remove AC plug - Sanyo DP26648 | Service Manual - Page 3
GENERAL This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. ON-SCREEN SERVICE MENU SYSTEM 1. Enter the Service Menu: ∑ Turn off the receiver and disconnect the AC power supply. ∑ While pressing the Volume (-) button on - Sanyo DP26648 | Service Manual - Page 4
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. No. Title 1A0 MUTE 086 VOL 087 OP1 088 OP2 Initial Data A0h 30h 40h 08h Note Audio mute at Power - Sanyo DP26648 | Service Manual - Page 5
within the power supply circuits. • A short circuit in the load side from the supply. Power Failure: reset the operating programs of the CPU it is necessary to disconnect the AC cord for a short time. Inverter Power Board Main IC800 (CPU) K8B 1 Power On 18 32 Power Fail Q810/Q811 23 Power - Sanyo DP26648 | Service Manual - Page 6
to other radio and television receivers. The gaskets must be returned to their previous positions after servicing. I Lead wires must be redressed to previous positions after servicing. STAND REMOVAL Position TV face down on a padded or cushioned surface to protect the screen and finish. Remove - Sanyo DP26648 | Service Manual - Page 7
Unit Removal Remove 6 screws (3X14) to take the power unit off LCD panel removal Removal 1. Disconnect the lead wires from LCD panel, speakers, and control board. 2. Once you have taken off the Lid back, stand base, power unit and main board remove 9 screws (C:3X14) and 4 screws (D:4X8) to take - Sanyo DP26648 | Service Manual - Page 8
Control Board Removal Remove 1 screws (3X14) to take the control board off. Speakers Removal Remove 4 screws (3X14) to remove each speaker -8- - Sanyo DP26648 | Service Manual - Page 9
A . NO DEVIATIONS FROM RESISTANCE, WATTAGE, AND VOLTAGE RATINGS MAY BE MADE FOR REPLACEMENT ITEMS DESIGNATED BY A . Note: Schematic part location numbers may not always match with the part descriptions. The part descriptions are correct and should be used. CAPACITORS NOTES: Read description of the - Sanyo DP26648 | Service Manual - Page 10
M 35V 0.1U Z 50V 4.7U M 50V 4.7U M 50V 1U K 10V 0.1U K 50V 0.1U Z 50V 0.1U K 50V 47U M 35V 0.1U K 50V 47U M 35V 0.1U K 50V Schematic Part No. Location Description C1246 C1247 C1248 C1249 C1250 C1251 C1252 C1253 C1254 C1603 C1609 C1610 C1611 C1612 C1613 C1614 C1617 C1618 C1619 C1620 C1621 C1622 - Sanyo DP26648 | Service Manual - Page 11
K 10V 1U K 10V 0.1U Z 50V 1U K 10V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 1U K 10V 1U K 10V Schematic Part No. Location Description C5520 C5521 C5522 C5523 C5524 C5525 C5526 C5527 C5528 C5529 C5530 C5531 C5532 C5533 C5534 C5535 C5536 C5537 C5538 C5539 C5540 C5541 C5542 - Sanyo DP26648 | Service Manual - Page 12
Z 50V 0.1U K 50V 39P J 50V 4.7U K 6.3V 0.1U Z 50V 1U K 10V 0.000 ZA 1/10W 0.000 ZA 1/10W 15P J 50V 15P J 50V 0.1U Z 50V Schematic Part No. Location Description C5642 C5643 C5644 C5645 C5646 C5648 C5649 C5650 C5700 C5702 C5703 C5704 C5707 C5710 C5712 C5713 C5714 C5716 C5717 C5718 C5719 C5750 C5751 - Sanyo DP26648 | Service Manual - Page 13
K 6.3V 1U K 10V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 220U M 6.3V 4.7U M 50V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V 0.1U Z 50V Schematic Part No. Location Description D801 D821 D1221 D1222 D1261 D1611 D1612 D1620 D1621 D1653 D1662 D1671 D1679 D1681 D1683 D1901 D2400 D3216 D6013 D6052 D6053 ZD801 - Sanyo DP26648 | Service Manual - Page 14
-GLAZE 0.000 ZA 1/10W MT-GLAZE 0.000 ZA 1/10W INDUCTOR, 15U M INDUCTOR, 15UH INDUCTOR, 15U M INDUCTOR, 15UH MT-GLAZE 0.000 ZA 1/10W Schematic Part No. Location Description L1619 L1621 L1622 L1651 L1652 L1653 L1661 L1662 L1663 L1671 L1672 L1674 L1681 L1682 L1684 L1690 L1691 L1692 L1693 L1694 L1695 - Sanyo DP26648 | Service Manual - Page 15
0.000 ZA 1/10W INDUCTOR, 3.3U M IMPEDANCE, 200 OHM M IMPEDANCE, 200 OHM M IMPEDANCE, 200 OHM M MT-GLAZE 0.000 ZA 1/10W INDUCTOR, 220 OHM Schematic Part No. Location L6357 L6358 L6366 L6367 L6368 L6369 L6500 L6506 L6507 L6508 L6509 L6510 L6511 L6512 L6513 L6514 L6515 L6516 L6517 L6601 L6602 L6603 - Sanyo DP26648 | Service Manual - Page 16
RP TR 2SA1037AK T146 R T2SA1037AK-SP TR 2SA1037AK T146 S T2SA1235A1E-P TR 2SA1235A1E T2SA1235A1F-P TR 2SA1235A1F TISA1235AC1EP TR ISA1235AC1E Schematic Part No. Location Q813 Q814 Q1006 Q1007 Q1201 Q1202 Q1203 TISA1235AC1FP T2SC2412K-R-P T2SC2412K-S-P T2SC2812-L6-P T2SC2812-L7-P T2SC2812N-L6P - Sanyo DP26648 | Service Manual - Page 17
-L7-TB TR 2SC2812N-L6-TB TR 2SC3928A1R TR 2SC3928A1S TR 2SC2412K-T-96-R TR 2SC2412K-T-96-S TR 2SC2812-L6-TB Schematic Part No. Location Q5801 Q5802 Q5804 Q5805 Q5806 Q5901 Q5902 Q6063 T2SC2812-L7-P T2SC2812N-L6P T2SC3928A1R-P T2SC3928A1S-P T2SC2412K-R-P T2SC2412K-S-P T2SC2812-L6-P T2SC2812-L7 - Sanyo DP26648 | Service Manual - Page 18
100 JA 1/10W MT-GLAZE 10K JA 1/10W MT-GLAZE 100 JA 1/10W MT-GLAZE 4.7K JA 1/10W Schematic Part No. Location R829 RGF1002JTCANL R830 RGF1000JTCANL R831 RGF1000JTCANL R832 RGF1000JTCANL R833 RGF4701JTCANL R834 RGF1000JTCANL R835 RGF4701JTCANL R836 RGF1000JTCANL R838 RGF4702JTCANL - Sanyo DP26648 | Service Manual - Page 19
150K JA 1/10W 220K JA 1/10W 100 JA 1/10W 330K JA 1/10W 75 JA 1/10W 82 JA 1/10W 82 JA 1/10W 0.000 ZA 1/10W Schematic Part No. Location R1202 R1203 R1204 R1205 R1206 R1207 R1208 R1209 R1210 R1230 R1231 R1232 R1233 R1235 R1236 R1237 R1238 R1244 R1245 R1259 R1260 R1261 R1263 R1264 R1265 - Sanyo DP26648 | Service Manual - Page 20
-GLAZE 0.000 ZA 1/10W MT-GLAZE 1.8K JA 1/10W MT-GLAZE 2.2K JA 1/10W MT-GLAZE 3.9K JA 1/10W MT-GLAZE 5.6K JA 1/10W Schematic Part No. Location R1905 R1906 R1907 R1908 R1909 R1910 R1911 R2400 R2401 R2402 R2403 R2404 R2405 R2406 R2407 R2408 R2409 R2410 R2412 R2413 R2414 R2415 R2416 R2417 R2418 - Sanyo DP26648 | Service Manual - Page 21
0.000 ZA 1/10W 0.000 ZA 1/10W 0.000 ZA 1/10W 0.000 ZA 1/10W 0.000 ZA 1/10W 0.000 ZA 1/10W 47 JA 1/10W 47 JA 1/10W Schematic Part No. Location R5604 R5605 R5606 R5607 R5611 R5613 R5614 R5615 R5616 R5617 R5618 R5619 R5622 R5625 R5626 R5628 R5629 R5632 R5634 R5700 R5750 R5751 R5754 R5800 R5801 - Sanyo DP26648 | Service Manual - Page 22
10K JA 1/10W 3.3K JA 1/10W 10K JA 1/10W 10K JA 1/10W 1K JA 1/10W 0.000 ZA 1/10W 4.7K JA 1/10W 0.000 ZA 1/10W Schematic Part No. Location R6338 R6339 R6356 R6358 R6359 R6360 R6361 R6372 R6373 R6374 R6375 R6376 R6500 R6503 R6504 R6506 R6507 R6509 R6513 R6516 R6522 R6523 R6525 R6527 R6528 - Sanyo DP26648 | Service Manual - Page 23
1AV4V10B8910G OSC, CRYSTAL 25.000MHZ Schematic Part No. Location Description A001 A002 A003 A1901 POWER-2.0MK-VTR-02 1AV4W10B19804 CORD, 1LB4W30B13300 CORD 30P, 30P-30P(LVDS) UNIT POWER BOARD U901 1AV4U20C17201 UNIT, POWER Non-servicable part. No discreet parts are supplied for this PC board - Sanyo DP26648 | Service Manual - Page 24
-1AA2SDM0195-1AV2BAAS016AA 1AA2LDM0006-- CABINET FRONT CABINET BACK BUTTON UNITED DEC IND STAND BASE BADGE, SANYO LID BACK 3 4 5 KEY NO. ACCESSORY PARTS LIST PARTS NO. DESCRIPTION 1JC6P1P0302-1AV0U10B43105 1AA2RCM0295-A OWNER'S MANUAL ASSY, REMOCON GXBJ RC-BATTERY LID-GXBD - 24 - - Sanyo DP26648 | Service Manual - Page 25
COMPONENT AND TESTPOINT LOCATIONS MAIN BOARD PARTS SIDE R1263 D1222 L1221 R1516 C1234 R1518 SC1509 R917 R915 R1259 R918 R916 R908 R913 CL01 KSP L7001 L1725 R1515 R1517 SC1508 A B PB1 L7002 L7010 L1 R1678 R1677 PARTS SIDE C D L1707 CL04 K1000 L003 K801 6 1 1 L1612 L1607 L1613 L1691 - Sanyo DP26648 | Service Manual - Page 26
COMPONENT AND TESTPOINT LOCATIONS (CONT.) MAIN BOARD FOIL SIDE 1 1 D6051 1 PB4 D CL14 L1692 K1000 6 L6121 L6602 L6506 L6120 L1724 K801 C IC001A IC001 C002 14 2 L6516 L7017 CL13 C6115 6 1 SH2 KUSB2 SH4 L7008 L7018 R6117 R6111 R6210 C6203 CL19 D R6200 C CL16 B A - 26 - - Sanyo DP26648 | Service Manual - Page 27
CONTROL BOARD PART SIDE K19FRA A30C5 CH.- 1 L1901 CH.+ SW1905 SW1904 D1901 C1902 6 C1908 VOL.- PWB,CONTROL-N6EE 1AA4B10N2160A VOL.+ ??? POWER A1901 SW1903 SW1902 SW1901 CONTROL BOARD SOLDER SIDE J1901 C1901 R1909 R1910 R1901 SW1901 A1901 J1903 + J1902 C1903 C1905 D1901 PWB, - Sanyo DP26648 | Service Manual - Page 28
/ DP26648 1 Main Board LED_ON Q809 On -> "H" POWER_ON 18 Power Failure Normal -> "H", Failure -> "L" 32 Q810/811 P-FAIL REG_SW1N REG_SW2 Q805 64 IC800 23 5 CPU IC801 6 EEPROM P-FAIL2 1 REG_SW2N Q813 9,36,59 8 IC1220 Sync Det. REG_SW3N Q814 16 5V_STBY K8FRA K19FRA Control Board - Sanyo DP26648 | Service Manual - Page 29
BLOCK DIAGRAM SIGNAL LINES DP32648 / DP26648 BLOCK DIAGRAM SIGNAL LINES - 29 - Tuner A6100 14,15 IC802 IC801 RESET IC3200 IC803 EEPROM 5,6 5 13,14 Audio Control L:5, Q5901 9V R:28 Line Output Front Control 19 20 3,4 52 Q5902 RC_IN KEY_IN 60 IC800 18 SUB_CPU Control Power Unit 9 - Sanyo DP26648 | Service Manual - Page 30
Select 2 Ripple Filter VDD 16 A 10 B9 INH 6 8 VSS X-COMMON 13 I/O c O/I 0X 12 I/O c O/I 1X 14 I/O c O/I 2X 15 I/O c O/I 3X 11 I/O c O/I 0Y 1 I/O c O/I 1Y 5 I/O c O/I 2Y 2 I/O c O/I 3Y 4 7 VEE Y-COMMON 3 Control & Input LOGIC LEVEL CONVERTER - 30 - - Sanyo DP26648 | Service Manual - Page 31
IC BLOCK DIAGRAMS (CONT.) IC1600, DC to DC Converter VREF DT1 FB1 SS1 1NV1 CT 1NV2 SS2 FB2 DT2 VREF VCC REG (2.5V) STB OCP1- OCP1- VCC STB MASTER /SLAVE Muster mode latch + - UVLO VCC VCC OCP1 + ERR 2.8V - 50mVV± 10mV REC C5V (VCC-5V) DT1OFF DT1Low DT C5V CSV + - VREF 2μA - Sanyo DP26648 | Service Manual - Page 32
IC1651, DC to DC Converter - 32 - - Sanyo DP26648 | Service Manual - Page 33
IC BLOCK DIAGRAMS (CONT.) IC5500 Screen Controller - 33 - - Sanyo DP26648 | Service Manual - Page 34
IC5700, DDR: Double Data Rate SDRAM - 34 - - Sanyo DP26648 | Service Manual - Page 35
IC6270, Audio A/D IC BLOCK DIAGRAMS (CONT.) AGND VMID AVDO VREF VREFGND AINOPL AINOPR AINL AINR COM ADC DIGITAL FILTERS ADC DIGITAL FILTERS AUDIO INTERFACE DOUT LRCLK BCLK MCLK CONTROL INTERFACE DGND DVDO M/S FORMAT /WL FSAMPEW IC3200, Audio Controller - 35 - - Sanyo DP26648 | Service Manual - Page 36
Output DAC Amp + Filter 2 Vrms Line Level Right Channel Output Internal Voltage Reference External Mute Control Left and Right Mute Controls 5900, Voltage detecting delay circuit BLOCK DIAGRAM N.C. SUPPLY VOLTAGE 8 7 N.C. 1 5μA INPUT 2 1.25V 3 4 5 N.C. GND DELAY CAPACITOR 6 OUTPUT - Sanyo DP26648 | Service Manual - Page 37
IC BLOCK DIAGRAMS (CONT.) IC1671, DC to DC Converter IC1240, Component Selecter - 37 - - Sanyo DP26648 | Service Manual - Page 38
NO POWER TROUBLESHOOTING FLOW CHARTS Is Yes fuse open? Check: Power Unit No Is the voltage to "5V_STBY" line supplied? No Check: Power Unit Yes Is the voltage to all lines supplied? No: All 0V (except '5V_STBY' line) Check: arround CPU (IC800), IC (IC801), Crystal (X801), Power Unit Yes ( - Sanyo DP26648 | Service Manual - Page 39
(R) ? Yes No Monitor Out only RF(TV), Digital(TV) only AV1, AV2, AV3,PC only AV1 or AV2or AV3 or PC HDMI 1 / 2 - 39 - Check: Line: IC001 7pin - IC800 (CPU) 22pin (Mute) Parts: Around IC001 (Audio AMP.) Check: Parts: Around IC3200 (Audio Control) Check: Line: IC3200 5pin (L) - Monitor Out - Sanyo DP26648 | Service Manual - Page 40
Terminal 13pin (H) - IC5500 K5pin Terminal 14pin (V) - IC5500 L5pin Parts: Around IC5500 HDMI 1 / 2 only Check: Line: HDMI1 Terminal - IC5500 HDMI2 Terminal - IC5500 Parts: Around IC5500 Check: Line: IC5500 - LCD Panel (RGB) Parts: Around IC5500 (Screen Controller), LCD Panel, Wire (K5LV: To - Sanyo DP26648 | Service Manual - Page 41
) (OPEN) (OPEN) TV Power Error (L)/Others (H) (OPEN) Solution Option (High:US1H Low:US1F) GND (0Vdc) 5V (5Vdc ± 10%) Terminal for De-Bug 3 Terminal for De-Bug 2 Terminal for De-Bug 1 Writing on board (CLK) Writing on board (DATA0) Writing on board (ENA/DATA1) For factory use For factory use (OPEN - Sanyo DP26648 | Service Manual - Page 42
Xin Reserve Vss Xti Xto Power IN Key in AFT(Reserve) PANEL READY VS-ON REG SW1 I/O IN IN IN OUT IN IN OUT IN IN IN IN OUT OUT Description RC Input Microcomputer Reset RESET:Low Normal:High Connect to VDD1 (OPEN) GND (0Vdc) Main Clock IN (Fosc=8MHz) Main Clock OUT (Fosc=8MHz - Sanyo DP26648 | Service Manual - Page 43
LVDS Out S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit Video2 Video3 Audio (or DVI Audio) PC Audio (L/R) A A I²S I²C L/R UART A A Audio A-out Selector Audio ADC A TV CPU EEPROM +12/5/3.3V Vcc cont. VBL +12/24V Remote IR Key Switch Power LED Audio Cnt - Sanyo DP26648 | Service Manual - Page 44
LVDS Out S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit Video2 Video3 Audio (or DVI Audio) PC Audio (L/R) A A I²S I²C L/R UART A Audio A-out Audio A Selector ADC TV CPU A EEPROM +12/5/3.3V Vcc cont. VBL +12/24V Remote IR Key Switch Power LED Audio Cnt - Sanyo DP26648 | Service Manual - Page 45
S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit A Audio Video2 A Video3 Audio A (or DVI Audio) PC Audio (L/R) A A Audio A-out Selector I²S I²C L/R Audio ADC UART TV CPU EEPROM +12/5/3.3V Vcc cont. VBL +12/24V Remote IR Key Switch Power LED Audio Cnt - Sanyo DP26648 | Service Manual - Page 46
S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit A Audio Video2 A Video3 Audio A (or DVI Audio) PC Audio (L/R) A A Audio A-out Selector I²S I²C L/R Audio ADC UART TV CPU EEPROM +12/5/3.3V Vcc cont. VBL +12/24V Remote IR Key Switch Power LED Audio Cnt - Sanyo DP26648 | Service Manual - Page 47
S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit A Video2 A Audio Video3 Audio A (or DVI Audio) PC Audio (L/R) A A Audio A-out Selector I²S I²C L/R Audio ADC UART TV CPU EEPROM +12/5/3.3V Vcc cont. VBL +12/24V Remote IR Key Switch Power LED Audio Cnt - Sanyo DP26648 | Service Manual - Page 48
(32 Mbit) DDR2 256Mbit (400MHz) DDR2 256Mbit (400MHz) HDMI Rx MPEG2 Video Decode Video Audio Scaler RS-232C Clock (24.576MHz) RESET NTSC Decoder Audio Processing Unit CPU (MIPS) Audio DAC OSD LVDS Out S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit Video2 - Sanyo DP26648 | Service Manual - Page 49
(32 Mbit) DDR2 256Mbit (400MHz) DDR2 256Mbit (400MHz) HDMI Rx MPEG2 Video Decode Video Audio Scaler RS-232C Clock (24.576MHz) RESET NTSC Decoder Audio Processing Unit CPU (MIPS) Audio DAC OSD LVDS Out S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit Video2 - Sanyo DP26648 | Service Manual - Page 50
(32 Mbit) DDR2 256Mbit (400MHz) DDR2 256Mbit (400MHz) HDMI Rx MPEG2 Video Decode Video Scaler RS-232C Clock (24.576MHz) RESET NTSC Decoder Audio Processing Unit Audio Audio DAC OSD LVDS Out S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit Video2 Video3 - Sanyo DP26648 | Service Manual - Page 51
LVDS Out S/P DIF Back Light cont Back Light level Video data & Clk (LVDS) Panel Unit Video2 Video3 Audio (or DVI Audio) PC Audio (L/R) A A I²S I²C L/R UART A Audio A-out Audio A Selector ADC A TV CPU EEPROM +12/5/3.3V Vcc cont. VBL +12/24V Remote IR Key Switch Power LED Audio Cnt - Sanyo DP26648 | Service Manual - Page 52
Electrostatically Sensitive Devices," on page two in this service literature. SERVICE NOTES: 1. When replacing parts on circuit boards, clamp the lead wires to terminals before soldering. 2. When replacing high wattage resistors on circuit board, keep the resistor body 10 mm (3/8) from circuit - Sanyo DP26648 | Service Manual - Page 53
TOP VIEW 1 1 1 1 1 123 1 32 OUT IN (1) GND (2) (3) TRANSISTORS DIODES E CB E CB B EC E CB B EC A K A K A K A K CE B BCE B E C B ... BASE C ... COLLECTOR E ... EMITTER B CE K A K A INFRARED EMITTING A....ANODE K....CATHODE CHIP TRANSISTORS CHIP RESISTORS TOP VIEW - Sanyo DP26648 | Service Manual - Page 54
CN903 K8L PC BOARD CONNECTIONS AND LOCATIONS - 54 - LCD PANEL EL901 SPEAKER 2 2 1 1 KSP K8B CN902 POWER UNIT U901 MAIN UNIT K8FRA K5LV CONTROL UNIT 1 5V_STBY 2 GND 3 KEY_IN 4 RC_IN 5 LED_ON GND 6 FROM MAIN UNIT(K8FRA) CN1 K8PC PC UNIT - Sanyo DP26648 | Service Manual - Page 55
4.7 Value code Tolerance code Material code Wattage rating D 0.5% F 1% G 2% J 5% K 10% M 20% F Fusible N Metalized Carbon S Oxide Metalized 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 - Sanyo DP26648 | Service Manual - Page 56
MODEL DP26648 Chassis No. P26648-00 SCHEMATIC DIAGRAMS 44 3 2 1 1 TO SPEAKER KSP J10EA043N L1614 1/10GZ0 Servicing Electrostatically Sensitive Devices," on page two in this service literature. CONTROL UNIT K19FRA J10AR061N FROM MAIN UNIT(K8FRA) CH.- SW1905 S10B0722J CH.+ VOL.- VOL.+ POWER - Sanyo DP26648 | Service Manual - Page 57
MODEL DP26648 Chassis No. P26648-00 SCHEMATIC Servicing Electrostatically Sensitive Devices," on page two in this service E1 31 F1 26 E2 32 F2 USBA_P RESET C5905 MAIN,N6FE) C6103 KZ0.1LZF C6102 CJ100CL IF_OUT1 IF_OUT2 5V C6100 KZ0.1LZF K56CPU JTAG/EJTAG GND_D SANYO ELECTRIC CO.,LTD. TV
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Specifications
POWER RATING
. . . . . . . . . . . . . . . . . . . . . . . . . 120VAC
120W (AVG.)
ANTENNA INPUT IMPEDANCE. . . . . . . . . . . . . . . . . 75
Ω
UHF/VHF/CATV
DIGITAL
RECEIVING CHANNEL . . . . . . . . . . . . . . . . . 2 - 13 (VHF),
14 - 69 (UHF),
01, 14-94, 95-135 (CATV)
1-135 (DIGITAL)
REMOTE READY. . . . . . . . . 32 KEY REMOTE CONTROL
SOUND OUTPUT. . . . . . . . . . . . . . . . . . . . . . . . 3.0 W/CH
INTERMEDIATE FREQUENCY
PICTURE IF CARRIER . . . . . . . . . . . . . . . . . . 45.75MHz
SOUND IF CARRIER . . . . . . . . . . . . . . . . . . . 41.25MHz
COLOR SUB CARRIEr. . . . . . . . . . . . . . . . . . 42.17MHz
CABINET DIMENSIONS
WIDTH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 665.5mm
HEIGHT. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 515.6mm
DEPTH INCLUDING BASE . . . . . . . . . . . . . . . 177.8mm
REFERENCE No.
SM
780150
DP26648, N6CE, PRODUCT CODE 113013904
Contents
SAFETY INSTRUCTIONS. . . . . . . . . . . . . . . . . . . . . . . . . 2
SERVICE ADJUSTMENTS . . . . . . . . . . . . . . . . . . . . . . . . 3
ON-SCREEN SERVICE MENU . . . . . . . . . . . . . . . . . . . . . 4
POWER FAILURE CIRCUIT
. . . . . . . . . . . . . . . . . . . . . . . 5
MECHANICAL DISASSEMBLY. . . . . . . . . . . . . . . . . . . 6-8
CHASSIS ELECTRICAL PARTS LIST
. . . . . . . . . . . . . 9-23
CABINET PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . 24
COMPONENT AND TESTPOINT LOCATIONS . . . . 25-27
BLOCK DIAGRAM POWER LINES. . . . . . . . . . . . . . . . . 28
BLOCK DIAGRAM SIGNAL LINES
. . . . . . . . . . . . . . . . 29
IC BLOCK DIAGRAMS
. . . . . . . . . . . . . . . . . . . . . . . 30-37
TROUBLESHOOTING FLOW CHARTS
. . . . . . . . . . 38-40
CONTROL PORT FUNCTIONS . . . . . . . . . . . . . . . . . 41-42
SIGNAL FLOW CHARTS . . . . . . . . . . . . . . . . . . . . . . 43-51
SCHEMATIC NOTES
. . . . . . . . . . . . . . . . . . . . . . . . . . . 52
IC, DIODE, AND TRANSISTOR PIN LAYOUTS. . . . . . . 53
PC BOARD CONNECTIONS AND LOCATIONS . . . . . . 54
CAPACITOR AND RESISTOR CODE CHART
. . . . . . . . 55
SCHEMATIC DIAGRAMS . . . . . . . . . . . . . . . . . . . . . 56-57
FILE NO.
SERVICE MANUAL
Remote Control Digital
Color Television
DP26648
(U.S.A.)
(CANADA)
ORIGINAL VERSION
Chassis No. P26648-00
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.
Servicing should be performed by only trained and qualified service personnel.
© Sanyo Manufacturing Corporation 2008