Sony RM-AX4000 Service Manual
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Sony RM-AX4000 Service Manual

Sony RM-AX4000 Service Manual

Integrated remote commander
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SERVICE MANUAL
Ver. 1.0 2005.08
Operating distance
Approx. 32.8 ft. (10 meters) (varies depending
on components of different manufacturers)
Power requirements
Remote control and backlight: Four size AA
(R6) batteries
Battery life
Approx. 5 months (a Sony TV turned on/off
up to approx. 300 times per day)
Dimensions
Approx. 4
×
(118
Mass
12 oz. (320 g) (not including batteries)
Learnable signals*
Capacity per signal: up to 300 bit
Signal frequency range: 455 kHz and up to
300 kHz
Signal interval: up to 1 second
Sony Corporation
9-879-792-01
Personal Audio Group
2005H1678-1
Published by Sony Engineering Corporation
© 2005.08
RM-AX4000
SPECIFICATIONS
×
×
× ×
3
/
1
1
/
7 in. (w h d)
4
4
×
31.2
175 mm)
INTEGRATED REMOTE COMMANDER
Supplied accessories
•
USB mini cable (1)
•
CD-ROM for the AX Remote Editor software,
PDF file Operating Instructions (1)
•
Quick Start Guide (1)
•
Preset code lists (1)
•
Warranty Card (1)
* Some signals cannot be learned by the
Remote Commander, even though the signals
comply with these specifications.
Design and specifications are subject to change
without notice.
US Model

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Summary of Contents for Sony RM-AX4000

  • Page 1 • Warranty Card (1) Battery life * Some signals cannot be learned by the Approx. 5 months (a Sony TV turned on/off Remote Commander, even though the signals up to approx. 300 times per day) comply with these specifications. Dimensions ×...

  • Page 2: Table Of Contents

    RM-AX4000 TABLE OF CONTENTS Flexible Circuit Board Repairing • Keep the temperature of the soldering iron around 270 °C during repairing. GENERAL ..............3 • Do not touch the soldering iron on the same conductor of the circuit board (within 3 times).

  • Page 3: General

    RM-AX4000 SECTION 1 GENERAL This section is extracted from instruction manual. Location and function qs Display title Shows the title of the LCD Display. If of controls a page number such as “/1” appears, multiple pages are available. If you press the number, next page displays.
  • Page 4 RM-AX4000 Setting the clock Next, press the g button. The day of the week is set. When you install batteries the first time, “12” (hour) “AM” and “SET” flash. the Remote Commander enters clock LEARN setup mode. CLOCK “DS_TIME” appears as the Display title.
  • Page 5 RM-AX4000 LEARN CLOCK Press “CLOCK” on the Label keys. CLOCK STD_TIME The setting display for clock appears. Notes • If you press the g button, the minute is set and the setting mode returns to step 3. LEARN CLOCK • If you press the G button, the minute is set and the setting mode r eturns to step 4.
  • Page 6 RM-AX4000 To change the display to Press the STD_TIME or DS_TIME the daylight savings time key. (summer time) indication You can select the standard time (STD_TIME) or summer time (DS_TIME). To change this setting, perform the STD_TIME is 1 hour behind the following procedure.

  • Page 7: Disassembly

    RM-AX4000 SECTION 2 DISASSEMBLY Note: Follow the disassembly procedure in the numerical order given. 2-1. CASE (LOWER) 5 two screws 4 screw (+P 2 × 6) (+P 2 × 6) 3 two screws (+P 2 × 6) 7 case (lower)

  • Page 8: Main Board And Lcd Module

    RM-AX4000 2-3. MAIN BOARD AND LCD MODULE 5 two screws 1 flexible board (CN2) (+P 2 × 6) 7 LCD module 2 flat type wire (CN1) 6 PWB holder 3 two screws 4 MAIN board (+P 2 × 6)

  • Page 9: Test Mode

    RM-AX4000 SECTION 3 TEST MODE Setting the Test Mode Pattern 1 Install the battery while holding down the VOLUME+ and Displays the title and character keys CHANNEL+ buttons, and turn on the power. The display becomes as follows. * The backlight is always on.
  • Page 10 RM-AX4000 5. Backlight adjustment It is set to LEVEL 5 by default. CHANNEL+ button: Turns on the backlight at LEVEL 15. CHANNEL– button: Turns on the backlight at LEVEL 1. MUTING button: Turns off the backlight. OK button: Proceeds to the key test.

  • Page 11: Diagrams

    RM-AX4000 SECTION 4 DIAGRAMS Note on Schematic Diagrams: Note on Printed Wiring Boards: • IC Block Diagram • All capacitors are in µF unless otherwise noted. (p: pF) 50 WV or • Y : parts extracted from the conductor side.

  • Page 12: Block Diagram - Main Section

    RM-AX4000 4-1. BLOCK DIAGRAM – MAIN SECTION – LCD MODULE SEND INFRARED RAYS LCD CONTROL PRE AMP LED2 LED1 LED4 LED3 LED5 RECEIVED LED DRIVER LED DRIVER INFRARED RAYS P16/IR_O 48 P00/LRIV_I P30/INT1/VBUS_I 46 VBUS CONTROL IC2A LEARN USB MODE CONTROLLER...

  • Page 13: Printed Wiring Board - Main Board

    RM-AX4000 4-2. PRINTED WIRING BOARD – MAIN BOARD – • :Uses unleaded solder. IC1 (SYSTEM CONTROLLER) can not be replaced individually. Replace it with MAIN board assembly for service. LCD UNIT MAIN BOARD (SIDE A) MAIN BOARD (SIDE B) SEND...

  • Page 14: Schematic Diagram - Main Board

    RM-AX4000 • See page 11 for Waveforms. • See page 11 for IC Block Diagram. 4-3. SCHEMATIC DIAGRAM – MAIN BOARD – IC1 (SYSTEM CONTROLLER) can not be replaced individually. Replace it with MAIN board assembly for service. LED5 RECEIVED...
  • Page 15 RM-AX4000 • IC Pin Function Description MAIN BOARD IC1 uPD78F0547GC(T)-UBT-A (SYSTEM CONTROLLER) Pin No. Pin Name Description P120/REF_I External Low Voltage detective signal input P47/LCD_DB7 LCD data output P46/LCD_DB6 LCD data output P45/LCD_DB5 LCD data output P44/LCD_DB4 LCD data output...
  • Page 16 RM-AX4000 Pin No. Pin Name Description P16/IR O IR signal output P15/BZ_O BUZZER out P14/FLASH_I RXD6 FLASH_WRITE signal input P13/FLASH_O TXD6 FLASH_WRITE signal output P12/SI_O USB SI signal output P11/USBRX_I USB SO signal input P10/USBTX_O USB SK signal output USB RTS (connected to +5V)

  • Page 17: Exploded Views

    RM-AX4000 SECTION 5 EXPLODED VIEWS NOTE: • -XX and -X mean standardized parts, so they • The mechanical parts with no reference number may have some difference from the original in the exploded views are not supplied. one. • Items marked “*” are not stocked since they are seldom required for routine service.

  • Page 18: Electrical Parts List

    RM-AX4000 SECTION 6 MAIN ELECTRICAL PARTS LIST NOTE: • Due to standardization, replacements in the • COILS When indicating parts by reference number, uH: µH parts list may be different from the parts please include the board name. specified in the diagrams or the components •...
  • Page 19 RM-AX4000 MAIN Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark < LED > 1-218-895-11 METAL CHIP 100K 0.50% 1/10W 1-216-829-11 METAL CHIP 4.7K 1/10W LED1 8-719-059-09 DIODE SID307BR LED2 8-719-059-09 DIODE SID307BR 1-216-829-11 METAL CHIP 4.7K...

  • Page 20: Revision History

    RM-AX4000 REVISION HISTORY Clicking the version allows you to jump to the revised page. Also, clicking the version at the upper right on the revised page allows you to jump to the next revised page. Ver. Date Description of Revision...

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