Aiwa TV-C143 Service Manual
  1. Manuals
  2. Brands
  3. Aiwa Manuals
  4. TV
  5. TV-C143
  6. Service manual
Aiwa TV-C143 Service Manual

Aiwa TV-C143 Service Manual

Hide thumbs

Advertisement

Table of Contents

SERVICE MANUAL

COLOR TELEVISION
• This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
TV-C143(KE,KER) / TV-C148(SHR) / TV-C208(SHR),
(S/M Code No. 09-003-419-0T4).
• This Service Manual does not include "NOTICES BEFORE REPAIRING",
"DISASSEMBLY INSTRUCTIONS" and "ADJUSTMENT". These items will be
issued in the next Supplement.
MODEL
TV-C143
KEJL6C1M, KERJL4L
TV-C148
SHRJL1L, SHRJ4L, SHRJL6L
TV-C208
SHRJ4L
S/M Code No. 09-003-419-0R2
TV-C143
TV-C148
TV-V203 TV-C208
TYPE
KE, KER
SHR

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the TV-C143 and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Aiwa TV-C143

Summary of Contents for Aiwa TV-C143

  • Page 1: Service Manual

    TV-C208 SHRJ4L • This Service Manual is the "Revision Publishing" and replaces "Simple Manual" TV-C143(KE,KER) / TV-C148(SHR) / TV-C208(SHR), (S/M Code No. 09-003-419-0T4). • This Service Manual does not include “NOTICES BEFORE REPAIRING”, “DISASSEMBLY INSTRUCTIONS” and “ADJUSTMENT”. These items will be issued in the next Supplement.

  • Page 2: Specifications

    14 in.) 480 mm (diagonal) (19 in.) Weight TV-C203/208: 18.2 kg (40 lbs.) TV-C143/148: TV-C143/148: 9.2 kg (20.2 Ibs.) 280.8(W) X 210.6(H) mm (11 in.) 335.4MM (diagonal) (13 in.) • Design and specifications are subject to change without notice.

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION 87-010-403-080 CAP, ELECT 3.3-50V 87-010-403-080 CAP, ELECT 3.3-50V 8Z-JB6-601-010 IC,TMP87CP38N-1B47 87-018-115-080 CAP, CER 47P-50V 87-A20-611-080 IC,M51943BSL-700A 87-018-115-080 CAP, CER 47P-50V 87-A90-111-010 RCR UNIT,GP1U281Y 87-018-119-080 CAP, CER 100P-50V 87-A21-433-010 IC,KS24C041I...
  • Page 4 REF. NO. PART NO. KANRI DESCRIPTION REF. NO. PART NO. KANRI DESCRIPTION C345 87-018-123-080 CAP, CER 220P-50V CF207 87-008-578-080 FLTR,TPS6.5MB2<143> C346 87-018-123-080 CAP, CER 220P-50V CF208 87-008-573-080 FLTR,CER TPS4.5MB2<148,208> C347 87-A10-298-080 CAP,M 0.018-50 J CF209 87-008-578-080 FLTR,TPS6.5MB2<148,208> C349 87-018-116-080 CAP,TC U 56P-50 CN102 87-009-035-010 CONN,7P PH M...
  • Page 5 REF. NO. PART NO. KANRI DESCRIPTION T601 8Z-JB6-605-010 TRANS, HD TB8B T602 8Z-JB8-626-010 FBT, MSU1FVK202<143,148> T602 8Z-JB6-616-010 FBT, KFT3AA243X<208> THP801 87-A91-485-010 POS-THMS,DGC3R300N27C<143,148> THP801 87-A91-405-010 POS-THMS,T209-B80-A10<208> TU101 87-A91-495-010 TU UNIT, ENV59D58G3-38.0MHZ 87-030-212-080 CERA LOCK CST8.0M X301 8Z-JB6-619-080 VIB,XTAL 4.43MHZ A0443S NK C.B C503 87-018-125-080 CAP, CER 330P-50V<143,148>...

  • Page 6: Transistor Illustration

    TRANSISTOR ILLUSTRATION E C B S D G E C B E C B KTA1266 2SD2586 2SK2541 2SC3467 KTC3198 2SD2599 1. SENSE 2. COLLECTOR 1 2 3 3. GROUND E C B 2SC3271 SE115N – –...
  • Page 7 WIRING - 1 (MAIN) –7–...
  • Page 8 SCHEMATIC DIAGRAM (MAIN / NK) –8–...
  • Page 9 WIRING - 2 (NK) <TV-C208> –9–...
  • Page 10 WIRING - 3 (NK) <TV-C143,TV-C148> –10–...

  • Page 11: Ic Block Diagram

    IC BLOCK DIAGRAM IC,STR-S6706 –11–...
  • Page 12 WAVEFORM <VIDEO SECTION> TUNER: 224.25 MHz PAL 60dBµ, LINE-IN: 1Vp-p PAL color bar TU101 PIN11 (IF) IC301 PIN45 (C IN) 50 µs/div 20 µs/div 100 mV/div 100 mV/div IC301 PIN18 (R OUT) IC301 PIN19 (G OUT) IC301 PIN6 (IF IN) IC301 PIN20 (B OUT) 20 µs/div 50 µs/div...
  • Page 13 IC1 PIN31 (XIN) IC 301 PIN31 (SYNC OUT) 20 µs/div 200 ns/div 2 V/div 2 V/div IC301 PIN50 (VCO) IC301 PIN23 (V.NFB) 100 ns/div 10 ms/div 100 mV/div 2 V/div IC301 PIN24 (V OUT) CN601 PIN5 (V+) IC301 PIN32 (H OUT) CN601 PIN4 (V-) 200 µs/div 10 ms/div...

  • Page 14: Audio Section

    IC 301 PIN34 (SCP OUT) CNA803 PIN4 (HEAT) 20 µs/div 20 µs/div 2 V/div 10 V/div INPUT : SECAM COLOR BAR <AUDIO SECTION> IC302 PIN13 (C IN) IC301 PIN2 (AOUT) 500 µs/div 20 µs/div 20 mV/div 100 mV/div IC301 PIN37 (SB YIN) IC301 PIN38 (SR YIN) IC301 PIN39 (YIN) IC301 PIN53 (H COR / SIF IN)
  • Page 15 <POWER SUPPLY SECTION> (230V AC) PROBE GND CONNECTED TO PS HOT GND IC801 PIN1 (C) IC801 PIN7 (F/B) 5 µs/div 5 µs/div 5 V/div 100 mV/div IC801 PIN3 (B) IC801 PIN8 (INH) 5 µs/div 5 µs/div 200 mV/div 100 mV/div IC801 PIN5 (DRIVE) 5 µs/div 200 mV/div...
  • Page 16 (230V AC STANDBY) PROBE GND CONNECTED TO PS HOT GND IC801 PIN1 (C) IC801 PIN8 (INH) 5 µs/div 20 µs/div 5 V/div 100 mV/div IC801 PIN3 (B) PT801 PIN12 (E115) [AC 230V] 20 µs/div 5 µs/div 200 mV/div 50 V/div IC801 PIN6 (OCP) PT801 PIN12 (E115) [AC 110V] 20 µs/div...
  • Page 17 IC DESCRIPTION IC, TMP87CP38N-1B47 Pin No. Pin Name Description Connected to Gnd. POWER During standby mode, "H" level is inserted to switch off "H" deflection & high voltage. SIFA Sound IF filter selection control signal out. (Refer to table 2) SIFB Sound IF filter selection control signal out.
  • Page 18 Table 1. Selecting AV mode Table 2. Selecting tuner sound IF filter IC402 PIN10 PIN9 IC201 PIN10 PIN9 TUNER 4.5MHZ 5.5MHZ 6.0MHZ 6.5MHZ IC, TB1240AN Pin No. Pin Name Description AFT OUT The terminal for AFT output and self-adj output. A OUT Audio output pin.
  • Page 19 Pin No. Pin Name Description DEF GND GND of deflection circuit. SCP OUT Sand castle pulse (VD+HD+GP) output. EW OUT E-W output. (not used) D VDD (5V) Vdd of digital block. SB YIN B-Y signals input. SR YIN R-Y signals input. Y signal input.
  • Page 20 IC, TA1275AZ Pin No. Pin Name Description Y OUT The output pin for Y signal. The pin for controlling the Y processing mode: MODE SW to Vcc: 5.5MHz trap ; open: 5.5MHz trap + D.L ; to GND: DL. (not used) R-Y OUT The output pin for demodulated R-Y signal.

  • Page 21: Voltage Chart

    VOLTAGE CHART VIDEO INPUT : PAL COLOR BAR 1Vp-p AUDIO INPUT : 1Vp-p REF NO. STANDARD STANDBY STANDARD STANDBY STANDARD STANDBY 1.75 2.45 Q301 Q302 Q401 12.2 1.54 12.0 1.54 Q451 Q452 Q453 Q454 Q455 Q456 Q462 Q463 Q501 143.0 114.0 Q504 141.0...
  • Page 22 LINE IN: 1 Vp-p PAL COLOR BAR TUNER: 224.25 MHz PAL COLOR BAR (60 dBµ) IC1, TMP87CP38N-1B47 IC2, M51943BSL-700A PIN NO. LINE IN TUNER STANDBY PIN NO. LINE IN TUNER STANDBY IC3, GP1U281Y 0.35 PIN NO. LINE IN TUNER STANDBY 1.16 2.17 10~12...
  • Page 23 IC301, TB1240AN PIN NO. INPUT PAL CB INPUT NTSC CB INPUT SECAM CB TUNER STANDBY 2.55 0.29 0.28 12~13 15~16 0.25 0.27 0.27 -0.2 0.45 – –...
  • Page 24 PIN NO. INPUT PAL CB INPUT NTSC CB INPUT SECAM CB TUNER STANDBY 0.27 4.55 4.55 50~51 IC302, TA1275AZ PIN NO. LINE IN TUNER/P TUNER/S STANDBY – –...
  • Page 25 IC651, LA7832 IC303, KIA7805PI PIN NO. LINE IN TUNER STANDBY PIN NO. LINE IN TUNER STANDBY 12.5 12.7 25.2 25.2 25.0 25.0 IC401, TDA7056B PIN NO. LINE IN TUNER STANDBY 16.7 16.7 14.0 IC801, STR-S6707 PIN NO. LINE IN TUNER STANDBY 299.0 295.0...

  • Page 26: Mechanical Exploded View

    MECHANICAL EXPLODED VIEW 1 / 1 – –...

  • Page 27: Color Name Table

    PANEL,FR C208SHR<208> 3 8Z-JBV-008-010 LENS,LED<EXCEPT 208> 3 8Z-JBT-008-010 LENS,LED<208> 4 8Z-JBV-009-010 LENS,RC<EXCEPT 208> 4 8Z-JBT-009-010 LENS,RC<208> 5 87-054-087-010 BADGE,AIWA 40<EXCEPT 208> 5 87-054-086-010 BADGE,AIWA 52.5<208> 6 8Z-JB8-001-110 CABI,FR 2SP<[ST]148SHR> 6 8Z-JB8-016-010 CABI,FR 2SP BL<EXCEPT [ST]148SHR,208> 6 8Z-JB6-001-010 CABI,FR 2SP<208> 7 8Z-JBS-205-010...
  • Page 28 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 9920588 9630472 Printed in Singapore...

This manual is also suitable for:

Tv-c148Tv-v203Tv-c208Tv-v208

Table of Contents