Sony D-311 Reference manual

Model: D-311 No. 437

Subject: Battery does not charge up all the way: Add the

charge Kit Date: May 2, 1995

Symptom:

(**) Battery is not able to operate unit for more than two hours even though battery was

fully charged (charged for more than 4 hours)

Solution: Replace Resistor R424 in the Charge Detection circuit with the Charge Bd. Mount kit

and perform the following modification procedure.

REF FORMER NEW

DESCRIPTION PART NUMBER

DESCRIPTION

PART NUMBER

R424 CHIP

RESISTOR 100

KOHMS

1-216-845-11

CHARGE BD A.

MOUNT KIT

X-4945-506-1

Procedure: Set the variable resistor on the CHGA board counterclockwise, until the resistance

measured between the CHGA board’s leads is at a minimum (about 10K).

Remove R424 and solder the leads of the CHGA board in its place.

CSA-13

Hi-Fi Products

Service Bulletin

Sony Service Company - Technical Services

A Division of Sony Electronics Inc.

Sony Drive, Park Ridge, New Jersey 07656

Reference: T/N #GA-94064 PRINTED IN USA

Autoflagged - NO

PRINTED ON RECYCLED PAPER

Audio Products Service Bulletin No. 437

Adjustment: 1)Place a jumper between the collector -1 of Q411 and the emitter-2 of Q309.

2) Apply between 3.95 to 3.98 VDC to the rechargeable battery terminals.

3) Press the “STOP” button to make sure the unit is in the charge conditions.

4) Monitor IC801/pin 69, it should be high. Turn the variable resistor clockwise on

the CHGA bd until IC801/pin 69 goes low.

5) Adjust the voltage at the battery terminals to 3.8V DC. Confirm that IC801/pin 69

changes from low to high.

6) Gradually increase the voltage insuring IC801/pin 69 goes from high to low when

the voltage is again between 3.92 and 3.98 V

7) Remove the jumper.

Audio Products Service Bulletin No. 437

Filename: HFP0437.SB

Directory: J:\SBDOC\MAY95

Template: C:\WINWORD\TEMPLATE\S_BULL.DOT

Title: battery doesn't charge

Subject: d311

Author: Hoyt Wing Lee

Keywords:

Comments:

Creation Date: 05/02/95 9:06 AM

Revision Number: 5

Last Saved On: 01/23/96 10:39 AM

Last Saved By: Cesar Bechbache

Total Editing Time: 40 Minutes

Last Printed On: 04/01/96 9:55 AM

As of Last Complete Printing

Number of Pages: 3

Number of Words: 264 (approx.)

Number of Characters: 1,506 (approx.)

Table of contents

Other Sony CD Player manuals

Sony

Sony CDX-600 - Compact Disc Changer System User manual

Sony

Sony CFD-E90PS Operating Instructions (primary... User manual

Sony

Sony XES-C1 User manual

Sony

Sony CFD-Z120 User manual

Sony

Sony CDX-M750 - Fm/am Compact Disc Player Product guide

Sony

Sony CFD-E55L User manual

Sony

Sony D-VE45 User manual

Sony

Sony CD Walkman D-FJ041 User manual

Sony

Sony Sports CD Walkman D-ES51 User manual

Sony

Sony D-VJ65 User manual

Sony

Sony Discman D-265 User manual

Sony

Sony CDX GT52W - MP3 / WMA Instruction Manual

Sony

Sony DVP-FX930 User manual

Sony

Sony CFD-370 User manual

Sony

Sony MDP-500 - Cd Cdv Ld Player User manual

Sony

Sony CDP-XA30ES User manual

Sony

Sony TCM-40DV User manual

Sony

Sony D-303 User manual

Sony

Sony DVP-FX730 - Portable Dvd Player User manual

Sony

Sony CDX-838 - Compact Disc Changer System User manual

Sony

Sony CFD-S39 - Cd Radio Cassette-corder User manual

Sony

Sony CDX-434RF - Compact Disc Changer System User manual

Sony

Sony CDX-656X User manual

Sony

Sony CDX-GT81UW - Usb Receiver User manual

Popular CD Player manuals by other brands

RCA

RCA RP-7923 instruction manual

Pioneer

Pioneer DEH-P3550MP XM Operation manual

Philips

Philips AZ1207 owner's manual

Philips

Philips CD582 user manual

Philips

Philips AZ 6821 operating manual

Lasonic

Lasonic MSU-2020 user manual

THOMSON

THOMSON RCD150 user manual

Denon

Denon DCD-1420 Service manual

Panasonic

Panasonic SJ-MR100 operating instructions

Onkyo

Onkyo DX-7210 instruction manual

Denon

Denon DVM-4800 Service manual

JBL

JBL MR-32 Operation manual

RCA

RCA RCD152 Specifications

Technics

Technics SL-PS770A Service manual

Clarion

Clarion compact disc owner's manual

Philips

Philips Expanium AZ 1538 user manual

Rotel

Rotel RCD 975 owner's manual

Pioneer

Pioneer CLD-D790 Service manual