Sony UP-D897 Service Manual

Table of Contents
Manual Structure
Purpose of this Manal .........ccsscsscsssssecsceetsssessecesnsncateacseceesesseanes 3
Related rian als sis; ssseiecescscisceessoeedscerdsscstucosdensensscseccessasencsessseseseess 3
1. Service Overview
1-1. Board Location 1-1
1-2. Main Parts Location .........cccccssssssscssssssssssccsseserscecersesesce 1-1
1-3. Removing/Installing the Cabinet «0.0... eeeseceesssseeees 1-1
1-3-1. TLOD COVER ss casds ccavacsecsetssctlecestestvedeatecbsucssvesevenedecedscs 1-1
1-3-2. Front Panel Subassembly ....
1-3-3. Rear Pane) \ssigicciscssssinsssecssencsssncssecancscutcssacastaesosten
1-4, Replacing the Main Parts ........sccsssscscceeessecesstseesenceeeses
1-4-1. Switching Regulator/DC Fan ........csssssssescsesveessee 1-3
1-4-2. Mechanical Deck Assembly ............scccssssesseessessones 1-3
1-4-3. Thermal Head .0.......sessssssssssesersssscrsscnseensseseseneeses 1-4
1-4-4, Stepping Motor/DC Motor .......c.cccssssssceesseseeseesere 1-5
1-4-5, Cam Shaft Assembly .............sessscsssscecseserssssessesseee 1-6
1-4-6. Pinch Arm Assembly .........scsccssssssssssssscsssererseesenes 1-7
1-4-7. Platen Roller
1-4-8. Timing Belt ....
1-5. Procedure Required for Replacement ............sssssesessesees 1-9
1-6. Unleaded Solder... escsssesssssesssescsssssesessscsentessceseeness 1-9
2. Electrical Alignment
2-1. Procedure before and after Adjustment ........sssssssesseseesee 2-1
2-1-1. Procedure of Printing the User Setting Record
(Before Adjustment) ...........cccessessessrsnsceseersreesseses 2-1
2-1-2. User Setting Check Procedure
(After Adjustment) ........eecssccsesessssssecersereseesessees 2-1
2-1-3. Factory Setting ........sscccsssscssesssrescerssssceetssscssscernece 2-1
2-2. Calibration and Electrical Conductivity Check .............. 2-2
2-3. Head Voltage Adjustment .........sscsscesccsescsscrsssssesssseceose
2-4. Initialization of Print Count History .
2-5. Firmware Version Upgrade ......sscscssssccscessssesesssesssecacee
3. Circuit Description
3-1. System Control BIOCK ........ccccssssssessccssrsecssessssseseesecseecsens 3-1
UP-D897
3-1-1. Outline «0... ccescsessessceseeeesnstesassecsaetecssaseassetseenseesesees
3-1-2. Block Diagram of Electrical Block
3-2. Head/Mechanical Control Block
3-2-1. OUTLINE sisacissdecdensasavccssssesccniancnedsssnoasiaaisuseatedesdinesea
3-2-2. Platen Motor Control... a
3-2-3. Thermal Head UP/DOWN Control
3-2-4. Monitoring of Door Sensor oi... cesesssssescsseessseenees 3-2
3-2-5. Monitoring of Paper Sensor ... 3-2
3-2-6. Monitoring of Head Temperature Sensor.............. 3-2
3-2-7. Control of Head Fan Motor (for Head Cooling) ...3-2°
3-2-8. Read of Buttons 3-3
3-3°- USB Unter faces. écissecccncsvscgascasen chsdvesugetsassaecosseselussarsessbyenss 3-3
3-4. Thermal Head BIOCK ...........scscssssesssesssccessecersseneresseceesneres 3-3
3-4-1. GS PUCUUN x. oc soseecatlaces depeden satel esiciasiiccssetucsnanestcueies 3-3
3-4-2. Basic Operation ........... +0 3-3
3-4-3. Temperature Correction .......cssssessseesseseserseseseeneees 3-4
3-4-4, Correction of Resistor COount.........scccseecesseereeeees 3-4
4. Troubleshooting
4-1. Print result is not SatisfactOry .......scsssccecssessssscesersesseeres 4-1
4-2. Print result density is too high or LOW .......seesssesesseoseees 4-1
43. Trouble of determining presence or absence of paper ....4-2
4-4. Thermal head UP/DOWN operation trouble .............006 4-2
4-5. Feed operation trouble ..........ssscsesssssseeeescecsseneseeeeesensees
4-6. Trouble of determining door open/close
5. Service Mode (Self-diagnosis Function)
5-1. Startp Procedure ..........essssssscsssvsscceecssesnssssersetenesseonees 5-1
5-2. Service Mode Men ..........sssccssssssssessesssecetenssaceeteeesarsenenes 5-1
5-3. Test Pattern Printing ...........scssscsccsesssaseesssesserssesneesseseees 5-1
5-4. Test Pattern Print Count .......ssssscssssssssesressesssstseesesseerees 5-3
5-5. LCD Lighting Check
5-6. LED Lighting Check
5-7. Front Panel Volume Calibration ...........csessssssssecosserseses 5-4
5-8. Log Printing ...........sssssssseseceseesssesecsssssssnterseseenetestensneesons 5-4
5-9. Initialization of Setting ..........cssssseccesssssssrscscesserssceseneee 5-5

Sony UP-D897 Specifications

Printing Specifications

printing method	Direct Thermal Printing
thermal head	Thin film thermal 1280 dots
resolution	325 dpi
effective print pixels	4096 x 1280 (max.)

Interface and Memory

interface	USB 2.0 High Speed Interface
memory	4096 x 1280 x 8 bit

Performance

print speed	Approximately 2.0 seconds (High Speed Mode)
gradations	True 256 gray balance

Weight and Dimensions

dimensions	154mm x 88mm x 240mm (WHD)
weight	Approximately 2.6kg