Aiwa TV-AR295 RHB Service Manual
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Aiwa TV-AR295 RHB Service Manual

Aiwa TV-AR295 RHB Service Manual

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All manuals and user guides at all-guides.com
SERVICE MANUAL
COLOR TELEVISION
Color reception systems
Channel reception (181 channels)
Cinescope
Visible diagonal
Electrical Power (FREE VOLTAGE) 95 to 245V AC-50/60Hz
Consumption
Acoustical power
Weight
Dimensions (W x H x D)
Design and specifications are subject to change without notice.
TV-AR295
SPECIFICATION
PAL-M/PAL-N/NTSC with automatic or manual selection
VHF=channels from 2 to 13
UHF=channels from 14 to 69
CATV=channels from 1 to 125
29 inches
67.9 cm
140 Watts
7 Watts RMS per channel
34 kg
670 x 610 x 520 mm
S/M Code No. 09-001-338-2N1
RHB

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Summary of Contents for Aiwa TV-AR295 RHB

  • Page 1 All manuals and user guides at all-guides.com TV-AR295 SERVICE MANUAL COLOR TELEVISION SPECIFICATION Color reception systems PAL-M/PAL-N/NTSC with automatic or manual selection Channel reception (181 channels) VHF=channels from 2 to 13 UHF=channels from 14 to 69 CATV=channels from 1 to 125 Cinescope 29 inches Visible diagonal...

  • Page 2: Notices Before Repairing

    All manuals and user guides at all-guides.com NOTICES BEFORE REPAIRING To make the best use of this equipment, make sure to obey the following items when repairing (or mending). 1. Do not damage or melt the tunicate of the leading Insulation resistance: 7.0 to 9.5 MΩ...

  • Page 3: Electrical Main Parts List

    All manuals and user guides at all-guides.com ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C1-027-218-501 CJT.PCI MAN/MONT PRINCIPAL R821 C1-187-522-015 FUSISTOR 3W 22R 5% C1-027-218-511 CJT.PCI IA PRINCIPAL MONT R822 C1-185-547-140 RES.METAL FILME 1W 470R 5% N C1-027-218-521 CJT.PCI INS.SMD TV-AR295...
  • Page 4 All manuals and user guides at all-guides.com REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION CAP.POLY FITADO C663 C1-380-229-521 ELCO 2,2UF/50V M C670 C1-380-229-521 ELCO 2,2UF/50V M C101 C1-330-474-904 C.POLYMET 470KPF/63V K C700 C1-380-100-524 ELCO 10UF/50V M C302 C1-330-224-122 C.POLYMET 220KPF/63V K...
  • Page 5 All manuals and user guides at all-guides.com REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION X500...
  • Page 6 All manuals and user guides at all-guides.com SCHEMATIC DIAGRAM-1 ON/OFF R754 +14V C655 D301 R670 C635 C612 1N4005 2.2uF/50V R607 R608 C306 C613 C670 C304 R669 C665 R707 2.2uF/50V TU101 100KpF/25V 47KpF(P) R625 2K2pF(P) C762 R654 C628 C621 ANT. C620 220uF/35V IC301 D601...
  • Page 7 All manuals and user guides at all-guides.com WIRING-1 (MAIN C.B) PARTS SIDE The white section shows pattern in this PWB diagram.
  • Page 8 All manuals and user guides at all-guides.com WIRING-2 (NC C.B) WAVEFORMS Q402 COLETOR FLY BACK PINO 7 13 IC802 PINO 8 19 IC101 PINO 18 20.0V/Div, 20.0µsec/Div 20.0V/Div, 20.0µsec/Div 200mV/Div, 10.0µsec/Div 2.0V/Div, 20.0µsec/Div GND→ GND→ GND→ GND→ PARTS SIDE FLY BACK PINO 9 Q402 BASE 14 IC802 PINO 10 20 IC101 PINO 19...
  • Page 9 All manuals and user guides at all-guides.com 25 IC101 PINO 30, 32 31 IC101 PINO 51 37 IC700 PINO 16 43 IC700 PINO 37 500mV/Div, 20.0µsec/Div 1.0V/Div, 5.0msec/Div 1.0V/Div, 5.0msec/Div 1.0V/Div, 5.0msec/Div GND→ GND→ GND→ GND→ 32 IC301 PINO 1 26 IC101 PINO 38 38 IC700 PINO 17 44 IC700 PINO 41...
  • Page 10 All manuals and user guides at all-guides.com 51 IC700 PINO 50 58 IC903 PINO 8 64 IC601 PINO 8 1.0V/Div, 50.0µsec/Div 50.0V/Div, 20.0µsec/Div 5.0V/Div, 1.0msec/Div GND→ GND→ GND→ 65 IC601 PINO 10 52 IC901 PINO 5 59 IC903 PINO 9 5.0V/Div, 1.0msec/Div 2.0V/Div, 20.0µsec/Div 50.0V/Div, 20.0µsec/Div...

  • Page 11: Voltage Chart

    All manuals and user guides at all-guides.com VOLTAGE CHART MEDIDAS DE TENS’ES IC101(TDA8841): IC603 (TDA9855): NOS IC’S PINO 1 -1.12mV PINO 1 4.357V PINO 3 14.573V IC700(MICRO): PINO 2 3.707V PINO 2 4.354V PINO 4 1.7018V PINO 1 PINO 3 PINO 3 4.357V PINO 5...
  • Page 12 All manuals and user guides at all-guides.com IC901 (TDA6106): IC803 (PS2501H): MEDIDAS DE TENS’ES PINO 1 PINO 1 3.203V EM TRANSISTORES PINO 2 PINO 2 2.557V Q804: PINO 3 2.6311V PINO 3 1.604V EMISSOR 8.944V PINO 4 PINO 4 16.473V BASE 9.594V PINO 5...
  • Page 13 All manuals and user guides at all-guides.com IC DESCRIPTION IC, P87C770AAR/04 (IC700)

  • Page 14: Ic Block Diagrams

    All manuals and user guides at all-guides.com IC BLOCK DIAGRAMS IC, MC-44603 (IC802) IC, TDA-8841/N2 (IC101)

  • Page 15: Electrical Adjustment

    All manuals and user guides at all-guides.com ELECTRICAL ADJUSTMENT INTRODUCTION Note: It is necessary to pre-heat the TV during 15 minutes, before its calibration. 1) Important recommendations 2) Definitions of the terms 3) Geometry of the Image 4) White Balance 5) Screen adjustment 6) AGC adjustment 7) Stereo Decoder adjustment...
  • Page 16 All manuals and user guides at all-guides.com Select the adjustment options pressing the key CH or CH of the remote control or of the television front panel. Note: All the adjustment options can be selected directly by the remote control numeric keys.
  • Page 17 All manuals and user guides at all-guides.com Definitions of the terms Reference Reg. # Description Name adjustment value Adjustment of the AGC delay. Adjustment of the vertical slope. Adjustment of the height. Adjustment of the vertical position Adjustment of the center linearity 32 Fixed Adjustment of the Pin Cushion 32 Fixed...
  • Page 18 All manuals and user guides at all-guides.com (...Continued) Note: * These registers don't actuate when an IC TDA8375A or TDA8374A is used. * * The register 20 (OEA) should be obligatorily adjusted to the value 32. * * The register 23 (TCA) should be obligatorily adjusted to the value 03. Options Register for of color system definition SYS (96) 7 (27) 3 (23)
  • Page 19 All manuals and user guides at all-guides.com Options Register OPT (97) Geometry of the Image Option Byte OPT a) Using the PM - 5515 generator, apply the crosshatch pattern with circle. 7 (27) 6 (26) 5 (25) 4 (24) 3 (23) 2 (22) 1 (21) 0 (20)
  • Page 20 All manuals and user guides at all-guides.com MECHANICAL EXPLODED VIEW 1/1...
  • Page 21 DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION MECHANICAL ALTO FALANTE C1-577-218-502 CJT.GABINETE FRONTAL C1-510-454-007 ALTO FALANTE 2X5" C1-677-218-505 EMBLEMA AIWA C1-600-015-108 PAR.AA.P.PH.PP1 3,0X12 ZNA RES DISSIPADOR C1-777-214-301 PRENDEDOR CABO AC C1-677-218-504 TECLA POWER C1-657-215-402 CJT.DISSIPADOR SAIDA VT(IC301) C1-600-034-138 PAR.M.SEX.PH.6,0X15ZNA AR.PRES C1-657-215-403 CJT.DISSIPADOR SAIDA HT(Q402)
  • Page 22 All manuals and user guides at all-guides.com 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 727105...

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