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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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Related Manuals for Aiwa TV-AR295RHB
Summary of Contents for Aiwa TV-AR295RHB
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Page 1: Service Manual
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 67.9 cm Electrical Power (FREE VOLTAGE) 95 to 245V AC-50/60Hz Consumption 140 Watts... -
Page 2: Notices Before Repairing
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 M (500 V/s) wire on the AC1 side, including the power supply Voltage-withstand: 3.6 KV for 3 or more seconds cord. -
Page 3: Electrical Main Parts List
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 R823 C1-183-547-292... - Page 4 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 C726 C1-380-100-524 ELCO 10UF/50V M C307...
- Page 5 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 C1-425-009-200 CRISTAL NTSC 3.579545 SE / S C651 C1-490-433-004 CAP.SMD NPO 33PF/50V J 0805...
- Page 6 SCHEMATIC DIAGRAM-1 ON/OFF R754 +14V C655 D301 R670 C635 C612 1N4005 2.2uF/50V R607 R608 C306 C613 C670 C304 R669 C665 2.2uF/50V R707 100KpF/25V 47KpF(P) R625 TU101 2K2pF(P) C762 R654 C628 C621 ANT. C620 220uF/35V IC301 R706 R665 D601 TV OUT L 150pF/50V VHF/UHF TDA8177...
- Page 7 WIRING-1 (MAIN C.B) PARTS SIDE The white section shows pattern in this PWB diagram.
- Page 8 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 PARTS SIDE Q402 BASE FLY BACK PINO 9 14 IC802 PINO 10 20 IC101 PINO 19 50.0V/Div, 20.0µsec/Div 2.0V/Div, 20.0µsec/Div 1.0V/Div, 10.0µsec/Div...
- Page 9 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 32 IC301 PINO 1 26 IC101 PINO 38 38 IC700 PINO 17 44 IC700 PINO 41 500mV/Div, 20.0µsec/Div 1.0V/Div, 10.0µsec/Div 1.0V/Div, 5.0msec/Div...
- Page 10 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 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 53 IC901 PINO 8 60 IC603 PINO 6 50.0V/Div, 20.0µsec/Div 50.0V/Div, 20.0µsec/Div...
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Page 11: Voltage Chart
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 1.59V PINO 2 PINO 4 PINO 4 4.358V... - Page 12 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 5.642V COLETOR 11.169V PINO 6 208.04V PINO 7...
- Page 13 IC DESCRIPTION IC, P87C770AAR/04 (IC700)
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Page 14: Ic Block Diagrams
IC BLOCK DIAGRAMS IC, MC-44603 (IC802) IC, TDA-8841/N2 (IC101) -
Page 15: Electrical Adjustment
ELECTRICAL ADJUSTMENT on the MAIN PCB KI/O5 KI/O6 KI/O4 KI/O7 KI/O3 KI/O2 S1/LED D64GS KI/O1 KI/O0 Service Key XOUT Fuse RESET Connect a SW between pins 13 and 16 of the IC: Pressing the SW will display the test mode screen on TV. - Page 16 c1) VOL c2) VOL - OSD/OUT...
- Page 17 (**) (**)
- Page 18 7 (27) 3 (23) 2 (22) 0 (20) 6 (26) 5 (25) 4 (24) 1 (21) (Example) 96 SYS 04 (00-255) 00000100 Op3SinglePalM (20) Op3SinglePalN (21) Op3NotSingleNorma (22) Op3BlackStretch (23) Op3BlueStretch (24) Op3SliceLevel (25) Op3COR (26) Op3FCO (27)
- Page 19 Options Register OPT (97) Geometry of the Image Option Byte OPT 7 (27) 6 (26) 5 (25) 4 (24) 3 (23) 2 (22) 1 (21) 0 (20) Vertical slope (VSL); Height (VAM); Vertical position (VSH); (Example) 97 OPT 218 (00-255) Center Linearity (SC);...
- Page 20 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 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 Printed in Singapore 727105...
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