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Panoramic TVP-1405AM Service Manual

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SERVICE MANUAL Colour Television
Specifications
Power Source . . . . . . . . .AC220V, 50Hz / 60Hz
Receiving System . . . . . .PAL (M/M, N/N), NTSC (M/M)
Channel Coverage
Antenna mode VHF: CH02-CH13, UHF: CH14-CH69
CATV mode
VHF band: CH01-CH13, Mid band: CH14-CH22
Super band: CH23-CH36, Hyper band: CH37-CH64
Ultra band: CH65-CH94 and CH100-CH125
Low mid band: CH95-CH99
Video IF . . . . . . . . . . . . . 45.75MHz
Aerial Input Impedance . . 75Ω
Ext. Terminals
Video inputs: Phono jack
Audio inputs: Phono jack
Headphone Jack (Mono)
Sound Output (RMS) . . . . 2W
Speakers . . . . . . . . . . . 5 cm x 9 cm x 1 pc.
Dimensions . . . . . . . . . 380 (W)
Weight . . . . . . . . . . . . . approx. 8.7 Kg
Specifications subject to change without notice.
F3AT
2 (1Vp - p, 75Ω)
2 (436mVrms, more than 40KΩ)
1
356 (H)
383.5 (D)mm
Panoramic
FILE NO.
Model No. TVP-1405AM
Service Ref. No. TVP-1405AM-00
JXMRR
Product Code: 111325815
Original Version
Chassis Series: LA5-A
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 trans-
mission system and power source differ from
the design specifications. Refer to the specifi-
cation table.
(Argentina)

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Summary of Contents for Panoramic TVP-1405AM

  • Page 1 Panoramic FILE NO. SERVICE MANUAL Colour Television Model No. TVP-1405AM (Argentina) Service Ref. No. TVP-1405AM-00 JXMRR Specifications Product Code: 111325815 Power Source ..AC220V, 50Hz / 60Hz Receiving System ..PAL (M/M, N/N), NTSC (M/M)

  • Page 2: Table Of Contents

    Contents Safety Notice ............... . 2 Chassis Block Diagram .

  • Page 3: Chassis Block Diagram

    Chassis Block Diagrams MAIN SIGNAL PROCESSING CIRCUIT...
  • Page 4 Chassis Block Diagrams SYSTEM CONTROL...

  • Page 5: Ic Block Diagrams

    IC Block Diagrams IC201 < IF/Video/Chroma/Def. > LA76818A Audio Output SIF Input FM Output/Selected SIF APC Filter Audio Output SIF Output PIF AGC Ext. Audio Input RF AGC Output PIF Input1 APC Filter VCO Coil 1 PIF Input 2 VCO Coil 2 IF Ground VCO Filter IF Vcc...
  • Page 6 IC Block Diagrams IC201 <IF System Block Diagram> LA76818A...
  • Page 7 IC Block Diagrams IC001 < Audio AMP. > LA4266-E 30KΩ 300Ω POWER FILTER INPUT IC501 < Vertical Output > LA78040N-E, TDA9302H Thermal Protection Pump...

  • Page 8: Service Adjustments

    Service Adjustments General This set has an On-screen Service Menu system included in the CPU that allows remote operation for most of the service adjustments. IC802 (EEPROM) Replacement When IC802 (EEPROM) is replaced, IC801 (CPU) will automatically write the initial reference data into IC802 for basic TV operation. However, the bus data should be checked and some bus data should be set up before attempting the service adjustments.
  • Page 9 Service Adjustments On-screen Service Menu Following table shows the initial values which have been stored in the CPU ROM, and items for the service adjustments. When IC802 (EEPROM) is replaced, check the bus data to confirm they are the same as below. The shaded menu should be checked and be set up or readjusted according to the procedures described in the following pages.
  • Page 10 Service Adjustments Item Initial value Range Description COOP 00~07 Colour Killer Y-APF 00, 01 Y-APF Select DEEM 00, 01 De-emphasis TC V-LVL 00~07 Video Level FMLVL 00~31 FM Level TTEST 00~07 Trap Test IFOM-S 00, 01 Over Mod. SW IFMN-S 00, 01 Audio Monitor SW, Monitor/FM IFTRPS...
  • Page 11 Service Adjustments Important Notice: Do not attempt to adjust service adjustments not listed on below otherwise it may cause loss of performance and for correct operation. Item 01 [RFAGC] AGC Item 04 [V-SIZ] VERTICAL SIZE NOTE: Do not attempt this adjustment with weak signal. 1.
  • Page 12 Service Adjustments Items 16-23 GREY SCALE 1. Receive a monochrome circular pattern. 2. Set the brightness and colour to normal, contrast to maximum. 3. Enter to the service mode. 4. Set each value of Item-16 RBIAS, 17 GBIAS, 18 BBIAS mode to 00. Set each value of Item-19 RDRIV, 21 BDRIV mode to 63, 20 GDRIV to 08.
  • Page 13 Service Adjustments Service Adjustment-2 FINE TUNING This adjustment is used to do a fine tuning of the channels with poor reception after they have been stored by the automatic tuning. This function is available for one channel only and the fine-tuned channel is memorized into IC802 (EEPROM). 1.
  • Page 14 Service Adjustments Service Adjustment-3 FOCUS ADJUSTMENT HIGH VOLTAGE CHECK 1. Receive the monochrome circular pattern. Note: +B (+130V) Voltage and Grayscale Adjustment must 2. Set the brightness to normal and contrast to maximum. be completed before attempting High Voltage Check. 3.

  • Page 15: Purity And Convergence Adjustment

    Purity and Convergence Adjustment CAUTION: The Convergence and Purity adjustments have been made at the factory. Readjustment should be made only after picture tube or deflection yoke replacement, following the steps below: PURITY ADJUSTMENT 8. Tighten the mounting screw of the Deflection Yoke. Adjust 1.

  • Page 16: Cabinet Parts List

    Cabinet Parts List Note: Parts order must contain Service Ref. No., Part No., and descriptions. AUDIO ANT.75Ω VIDEO IN MENU JXMRR Key No. Part No. Description Key No. Part No. Description 610 260 8052 BUTTON POWER-F3AA 610 217 1006 ROD ANTENNA ASSY 610 210 7302 COIL SPRING-D8HA 645 012 0428...

  • Page 17: Chassis Electrical Parts List

    Chassis Electrical Parts List F3AT Product safety should be considered when a component replacement is made in any area of a receiver. Components indicated by a mark in this parts list and the circuit diagram show components whose value have special significance to product safety.
  • Page 18 F3AT Ref. No. Part No. Description Ref. No. Part No. Description 405 013 7006 TR 2SC2274-F 405 020 7709 TR 2SC945A-QA Q641 406 000 6804 TR 2SA1015-GR(SAN) 405 020 7907 TR 2SC945A-RA 405 001 7605 TR 2SA1015-Y(SAN) Q693 405 011 8401 TR 2SC1740S-Q 405 004 3208 TR 2SA564A-R(CU)
  • Page 19 F3AT Ref. No. Part No. Description Ref. No. Part No. Description 409 470 3403 IC KS24C041C 403 049 0008 ELECT 1U M 409 427 4705 IC M24C04-BN6 C247 404 084 4006 ELECT 2.2U M 410 499 0908 IC AT24C04-10PI-2.7 403 049 9803 ELECT 2.2U M C273...
  • Page 20 F3AT Ref. No. Part No. Description Ref. No. Part No. Description C644 404 084 4105 ELECT 3.3U M R108 401 105 2102 MT-GLAZE 18K JA 1/16W 403 046 1602 ELECT 3.3U M R109 401 105 8203 MT-GLAZE 68K JA 1/16W C651 404 073 9005 ELECT...
  • Page 21 F3AT Ref. No. Part No. Description Ref. No. Part No. Description R434 401 059 6706 OXIDE-MT 180 JA R691 401 105 0603 MT-GLAZE 10K JA 1/16W R435 402 069 8704 WIRE WOUND 8.2 KA R693 401 105 4601 MT-GLAZE 3.9K JA 1/16W 402 074 5309 WIRE WOUND 8.2 KA...
  • Page 22 F3AT Ref. No. Part No. Description Ref. No. Part No. Description 645 008 5628 INDUCTOR,1U M 407 012 4406 DIODE 1SS133 L432 645 002 2364 CORE,PIPE 407 013 4306 DIODE 1S2076A L442 652 001 0338 INDUCTOR,665UH 407 013 7109 DIODE 1S2473 L601 652 001 3162 LINE FILTER...
  • Page 23 F3AT Ref. No. Part No. Description Ref. No. Part No. Description SW1903 645 003 4701 SWITCH,PUSH 1P-1TX1 R713 401 105 2706 MT-GLAZE 220 JA 1/16W 645 019 4887 SWITCH,PUSH 1P-1TX1 R714 401 058 9807 OXIDE-MT 12K JA 645 027 7382 SWITCH,PUSH 1P-1TX1 R715-M 401 009 1508...
  • Page 24 Panoramic Nov./’04...
  • Page 25 12 X 10 =12K SERVICE Rated wattage (1/2W) W: Wire wounding TVP-1405AM-00 may be some components or partial circuit differences between the C: Solid actual chassis and the circuit diagram. REF. NO. 9. Parts specified with "X" are not installed in this model.
  • Page 26 Waveforms & Voltages CRT BOARD (Component Location) (On the Main Board) 1AA4B10E6900B IC001 (AUDIO AMP.) Pin-1 1.1V 0.7V 1.1V 7.3V 14.8V Q701 R741 B-OUT D741 D742 J702 IC201 (IF/VIDEO/CHROMA) Q701-L D754 Q711 Pin-1 2.3V 2.3V 2.7V 1.6V 2.9V 2.9V 5.0V 2.3V L700 Q721...