Casio CSF-4450 Service Manual & Parts Manual
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Casio CSF-4450 Service Manual & Parts Manual

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(without price)
CSF-4450/4650/4950
(ZX-855 E/ F)
(Version E and F)
OCT. 1995
Caution: CSF-4 50 includes 2 kinds of version- E and version- F. The functions are exactly the same
between two versions. As for details, refer to page-1.
INDEX
R

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Summary of Contents for Casio CSF-4450

  • Page 1 (without price) CSF-4450/4650/4950 (ZX-855 E/ F) (Version E and F) OCT. 1995 Caution: CSF-4 50 includes 2 kinds of version- E and version- F. The functions are exactly the same between two versions. As for details, refer to page-1. INDEX...

  • Page 2: Table Of Contents

    CONTENTS FEATURES ..........................1 SPECIFICATIONS ........................2 GENERAL GUIDE ........................5 BATTERY REPLACEMENT ....................6 RESET OPERATION .......................7 TO SAVE THE DATA ......................9 PIN FUNCTION ........................10 DIAGNOSTIC PROGRAM ..................... 11 ERROR MESSAGE .......................14 SCHEMATIC DIAGRAMS ..................... 15 EXPLODED VIEW .........................23 PARTS LIST ..........................24...

  • Page 3: Features

    VERSION TABLE Version M o d e l N o t e Capacity PCB ass'y TAB-LSI CSF-4450 Version E AE Standard 32KB Z855-1E ASS'Y (MC100012 1) OC3015-F1 SUB ASS'Y CSF-4650 EE Standard 64KB Z855-1E ASS'Y (MC100012 2) FE B.O.S.S. CSF-4950...

  • Page 4: Specifications

    32K bytes (27,337 bytes) CSF-4650 64K bytes (60,105 bytes) CSF-4950 128K bytes (125,641 bytes) The following shows the number or items that can be stored in each model (CSF-4450/4650/4950). Telephone Directory Approximately 1,200/2,700/5,700, under the following conditions: 8-character name 10-character telephone number...
  • Page 5 Schedule Keeper Approximately 700/1,500/3,200, under the following conditions: 20 character description Illustration used Starting time specified, alarm time set Approximately 900/2,000/4,100, under the following conditions: 20 character description Illustration not used Starting time specified, no alarm time Reminder Approximately 1,500/3,300/6,900, under the following conditions: 10 character description Alarm time set Approximately 1,700/3,700/7,800, under the following conditions:...
  • Page 6 Battery life: Main: Approximately 100 hours continuous display in Telephone Directory (approxi- mately 180 hours on type LR03 (AM4)); approximately 80 hours repeating one minute of input and 10 minutes of display in Telephone Directory (approximately 150 hours on type LR03 (AM4)) Back-up: 5 years if main batteries are replaced as soon as they become weak.

  • Page 7: General Guide

    GENERAL GUIDE OFF key - Press this key to turn power off. ON key - Press this key to turn power on. Display Cursor Key Pad Keyboard MENU key COLOR SELECT keys About the desktop... The desktop gives you point-and-select access to the data management features of the CSF Unit. Whenever you want to return to the desktop, simply press the MENU button.

  • Page 8: Battery Replacement

    Adjusting the Display Contrast The following procedure describes how to adjust the color contrast, which controls the relative darkness and lightness of each color on the display. To adjust the display contrast 1. While the desktop is on the display, press FUNC. 2.

  • Page 9: Reset Operation

    3. Remove both old batteries and replace them with two new ones. • Make sure that the positive (+) and negative (-) ends are facing correctly. 4. Replace the holder. 5. Turn on power. • The Home Time screen always appears whenever you turn power on for the first time after replacing batteries.
  • Page 10 3. Press 1 to select ALL RESET . Note • The above message always appears in English, regardless of the system language setting. 4. Press OK to reset the memory and delete all data or ESC to abort the reset operation without deleting anything.

  • Page 11: To Save The Data

    TO SAVE THE DATA CSF-4450/4650/4950 can transfer the customer's data to another CSF unit with memory protection only when replacing the LCD or the outer case. To connect the CSF Unit to another CSF Unit 1. Make sure that the power of both units are switched off.

  • Page 12: Pin Function

    PIN FUNCTION CPU HCD62121A02 (HC-3017) : COB NOTE: The CPU is bonding on the PCB. If the CPU is defective, replace the Z855-1 PCB ass'y because the CPU cannot be replaced. Pin No. Pin Name Input/Output Function 1 ~ 14 KO14 ~ KO1 Key common signal 15 ~ 22...

  • Page 13: Diagnostic Program

    N O T E Enter the Press ON while shorting ///// SELF TEST PROG ///// diagnostics the Test pad. PRESS OK KEY QUIT BY OFF KEY CASIO OCT 1995 Main menu TEST 4 BUZZER 1 DISP 5 I/F 2 MEMORY 6 CONT...
  • Page 14 S T E P O P E R A T I O N DISPLAY N O T E Memory MEMORY 3 WR 2 Check 4 READ 2 1 WR 1 5 DUMP 2 READ 1 6 CHKSUM Write the test pattern 1 into RAM RAM WRITE 1 MEMORY 3 WR 2...
  • Page 15 S T E P O P E R A T I O N DISPLAY N O T E KEY CHECK 3 KEY & TIME 1 RANDOM 2 AUTO 3 TIME No display ESC, 1, 2, 3..16 17 18 19 ..

  • Page 16: Error Message

    S T E P O P E R A T I O N DISPLAY N O T E TEST 4 BUZZER 1 DISP 5 I/F 2 MEMORY 6 CONT 3 KEY 7 RESET RESET NAME? TELEPHONE ERROR MESSAGE Action Message Meaning Current search operation can- NO DATA!

  • Page 17: Schematic Diagrams

    SCHEMATIC DIAGRAMS VERSION*E Main Block-1/2 — 15 —...
  • Page 18 VERSION*E Main Block-2/2 — 16 —...
  • Page 19 VERSION*E Display Block — 17 —...
  • Page 20 VERSION*E Key Matrix — 18 —...
  • Page 21 VERSION*F Main Block-1/2 — 19 —...
  • Page 22 VERSION*F Main Block-2/2 — 20 —...
  • Page 23 VERSION*F Display Block — 21 —...
  • Page 24 VERSION*F Key Matrix — 22 —...

  • Page 25: Exploded View

    EXPLODED VIEW Version- F Version- E — 23 —...

  • Page 26: Parts List

    2765 1869 Chip Volume MVR32HXBRN503 1 20 2590 1967 Ceramic Oscillator CSTC4.30MG-TC 7110 0642 Crystal Oscillator DT-26S The following electronic parts will be not supplied from CASIO. C1~4,C9, Chip Condensor MCH312F105ZP 0 10 0 10 10 0 10 0 10...
  • Page 27 Quantity FOB Japan AE AF EE FE EF FF IE IF JE JF Item Code No. Parts Name Specification N.R.Yen 4450 4650 4950 Unit Price C5,C35, Chip Condensor MCH183F104ZK C39, CB4~7 C5,C35, Chip Condensor MCH183F104ZK C39,C66, CB5~6 C5,C35, Chip Condensor MCH183F104ZK C39, CB4~6...
  • Page 28 Quantity FOB Japan AE AF EE FE EF FF IE IF JE JF Item Code No. Parts Name Specification N.R.Yen 4450 4650 4950 Unit Price R115, Chip Resistor MCR03EZHJ301 R116 COMPONENT 6417 2270 Display Plate Z855A MC300518-1 0 10 6417 2510 Display Plate Z855I MC300518-2 1 10 6417 2570 LCD Spacer Z855...
  • Page 29 Quantity FOB Japan Item Code No. Parts Name Specification AE AF EE FE EF FF IE IF JE JF N.R.Yen 4450 4650 4950 Unit Price 6511 4881 Reset Button A311024-2 1 20 6417 2180 B Cover A Z855A MC300500-1 0 20 6417 2350 B Cover A Z855E MC300500-2 0 20...
  • Page 30 8-11-10, Nishi-Shinjuku Shinjuku-ku, Tokyo 160, Japan Telephone: 03-3347-4926...

This manual is also suitable for:

Csf-4650Csf-4950

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