Aiwa TN-CL237 Service Manual
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Aiwa TN-CL237 Service Manual

Aiwa TN-CL237 Service Manual

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TN-CL237
AHR
SERVICE MANUAL
CORDLESS TELEPHONE
This Service Manual is the "Revision Publishing" and replaces "Simple Manual"
(S/M Code No. 09-99C-338-3T1).
S/M Code No. 09-001-338-3R1

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Summary of Contents for Aiwa TN-CL237

  • Page 1 TN-CL237 SERVICE MANUAL CORDLESS TELEPHONE This Service Manual is the "Revision Publishing" and replaces "Simple Manual" (S/M Code No. 09-99C-338-3T1). S/M Code No. 09-001-338-3R1...

  • Page 2: Specifications

    SPECIFICATIONS • Design and specifications are subject to change without notice. ACCESSORIES LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION 1 8Z-PC5-901-010 IB,AHR (E) -CL236 6 87-A90-628-010 PLUG,CONVERSION IR40 C 2 8Z-PC5-902-010 IB,AHR (CH) -CL236 7 8Z-PC5-009-010 HLDR,WALL B/U 3 87-B30-216-010...

  • Page 3: Electrical Main Parts List

    ELECTRICAL MAIN PARTS LIST REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION C327 87-012-286-080 CAP, U 0.01-25 C328 87-A10-707-080 C-CAP,U 0.47U-16 F Z 8Z-PC5-611-010 IC,TMP87C408M C329 87-010-831-080 C-CAP,U,0.1-16F 87-A91-033-010 P-COUPLER,LTV817 C330 87-010-402-080 CAP, ELECT 2.2-50V 87-PC4-603-010 C-IC,TB31224F C331 87-010-378-080...
  • Page 4 REF. NO PART NO. KANRI DESCRIPTION REF. NO PART NO. KANRI DESCRIPTION L504 87-005-274-080 COIL,68UH K LAL03 C709 87-012-337-080 C-CAP,U 56P-50 CH L505 87-005-274-080 COIL,68UH K LAL03 C710 87-012-337-080 C-CAP,U 56P-50 CH LED101 87-A40-259-080 LED,SLR-342VCT31 RED C711 87-012-188-080 C-CAP,U 47P-50 CH LED103 87-A40-259-080 LED,SLR-342VCT31 RED...

  • Page 5: Ic Block Diagrams

    IC BLOCK DIAGRAMS CHIP RESISTOR PART CODE IC, TA24C64 Chip Resistor Part Coding Figure Resistor Code Value of resistor Chip resistor Dimensions (mm) Wattage Type Tolerance Symbol Resistor Code Form 1/16W 1005 0.35 1/16W 1608 0.45 1/10W 2125 1.25 0.45 1/8W 3216 0.55...
  • Page 6 SCHEMATIC DIAGRAM-1 (MAIN SECTION)
  • Page 7 WIRING-1 (MAIN C.B)
  • Page 8 SCHEMATIC DIAGRAM-2 (HANDSET-KEY SECTION)
  • Page 9 WIRING-2 (HANDSET-KEY C.B)
  • Page 10 SCHEMATIC DIAGRAM-3 (HANDSET-RF SECTION)
  • Page 11 WIRING-3 (HANDSET-RF C.B)

  • Page 12: Voltage Chart

    VOLTAGE CHART IC604 IC101 Pin No. WAITING TALKING Pin No. WAITING TALKING Pin No. WAITING TALKING 2.08 2.08 1.50 1.50 3.27 3.27 1.50 1.50 1.50 1.50 4.72 4.72 3.12 3.12 3.60 0.78 2.52 2.52 1.56 1.56 3.81 3.81 4.21 4.21 3.00 3.00 IC605...
  • Page 13 Q201 Q501 Q704 Pin No. WAITING TALKING Pin No. WAITING TALKING Pin No. WAITING TALKING 5.00 5.00 0.78 13.30 12.70 12.70 4.10 0.73 5.67 5.67 0.92 Q301 Q502 Q705 13.17 13.17 4.22 4.22 4.91 13.81 13.81 4.17 0.76 11.23 11.23 3.55 3.49 Q302...
  • Page 14 IC DESCRIPTION IC, TMP87C408M Pin No. Pin Name Description XOUT Resonator out (4.0 MHz) Resonator in (4.0 MHz) TEST Tied low Not connected PAGE KEY PAGE Key 1 = PAGE ON, 0 = Standby DTMF 5 DTMF DATA 5 DTMF 4 DTMF DATA 4 DTMF 3 DTMF DATA 3...

  • Page 15: Eeprom Data

    IC, TMP87PH47U Pin No. Pin Name Description KY OUT 4 Keypad column output 4 KY OUT 3 Keypad column output 3 KY OUT 2 Keypad column output 2 KY OUT 1 Keypad column output 1 FREQUENCY 1 1 = 25CH, 0 = 10CH VOL 1 4 (Max.) 1 (Min.)

  • Page 16: Lcd Display

    Pin No. Pin Name Description BAND Shunt capacitor frequency high band 1 = Shunt — Not connected ANT LED/KEY LED ANT/Keypad LCD 0 = ON XTIN 32.768 kHz crystal XTOUT 32.768 kHz crystal — Power (VDD) LCD EN LCD Enable (1 = Enable) TALK LED TALK LED 0 = ON LOWBAT LED...
  • Page 17 • SEGMENT...
  • Page 18 MECHANICAL EXPLODED VIEW 1/2 [HANDSET UNIT SECTION] SHEET CUSHION CUSHION KEY C.B SHEET RF C.B...

  • Page 19: Color Name Table

    MECHANICAL MAIN PARTS LIST 1/2 [HANDSET UNIT SECTION] REF. NO PART NO. KANRI DESCRIPTION 1 8Z-PC5-028-010 WINDOW,LCD 2 8Z-PC5-021-010 CABI,FR H/S 3 8Z-PC5-222-010 HLDR,LCD H/S 4 8Z-PC5-224-010 TERMINAL,RUBBER LCD 5 8Z-PC5-223-010 REFLECTOR,LCD H/S 6 8Z-PC5-025-010 BTN,TALK H/S 7 8Z-PC5-027-010 BTN,SEARCH H/S 8 8Z-PC5-024-010 BTN,DIAL H/S 9 8Z-PC5-026-010...
  • Page 20 MECHANICAL EXPLODED VIEW 2/2 [BASE UNIT SECTION] MAIN C.B LED C.B...
  • Page 21 MECHANICAL MAIN PARTS LIST 2/2 [BASE UNIT SECTION] REF. NO PART NO. KANRI DESCRIPTION 1 8Z-PC5-008-010 HANGER,H/S B/U 2 8Z-PC5-001-010 CABI,TOP B/U 3 8Z-PC5-201-010 TERMINAL,CHG 4 8Z-PC5-003-010 KEY,PAGE B/U 5 8Z-PC5-004-010 LENS,LED B/U 6 8Z-PC5-202-010 HLDR,PAGE B/U 7 88-PCD-205-010 TERMINAL,ANT B/U 8 8Z-PC5-006-010 COVER, BOTTOM ANT B/U 9 8Z-PC5-609-010...
  • Page 22 2–11, IKENOHATA 1–CHOME, TAITO-KU, TOKYO 110, JAPAN TEL:03 (3827) 3111 737004 Printed in Singapore...

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