Sony UP-860 - Table of Contents

CONTENTS
Section
1. GENERAL
1-1. Overview PR ARR ee eee ee ee eR ee
1-2. Location and Function of Parts and Controls --: 5
1-3. PrecautionS <cccccccccccccctce crt erences
1-4. Connection
1-5. Setting the DIP Switches occ e ewer cetasencesocernaceeres
1-6. Loading Paper ae Sec bln e de ein vin weiss sv 086 ge tee wey aay
1-7. Making Print-outs eee TE TTT TTEREREN TOT es ee
1-8. Maintenance cccccccrccccccc reece eee eee
1-9. Troubleshooting -:rccreccceeeceectecete rete tertteeeeees
2. DISASSEMBLY
2-1. Removal of Top Cover
2-2. Removal of Front Panel «---rrersrtrtereee
2-3. Removal of MA-14 board
2-4. Removal of Mechanism Block
2-5. Removal of Rear Panel and
Switching Regulator ‘Givilnve wyasle nnd or0 Boi w:duoyorniatt, shoes pila eS wis wre ee Sie:
2-6. Removal of Thermal Head <cccccccccecceteteerreees
3. ADJUSTMENTS
3-1, Head Voltage Adjustment eee eee eee eee
3-2. Brightness and Contrast Adjustment
3-3. Trap Adjustment PEO Rin eee wT ewe es saa eiele ne bss Releeeeees eo
3-4. Motor Speed Adjustment
Note: Please caution for the model serial No.
when changing the power supply section.
Model Serial Number
Less than 15891 (UP-860)
Less than 35201 (UP-870MD)
Switching
Regulator
1-413-694-11 to 13 1-413-694-14
SAFETY-RELATED COMPONENT WARNING !!
COMPONENTS IDENTIFIED BY SHADING AND MARK
A ON THE SCHEMATIC DIAGRAMS, EXPLODED
VIEWS AND IN THE PARTS LIST ARE CRITICAL TO
SAFE OPERATION, REPLACE THESE COMPONENTS
WITH SONY PARTS WHOSE PART NUMBERS APPEAR
AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS
PUBLISHED BY SONY. CIRCUIT ADJUSTMENTS
THAT ARE CRITICAL TO SAFE OPERATION ARE
IDENTIFIED IN THIS MANUAL. FOLLOW THESE PRO-
CEDURES WHENEVER CRITICAL COMPONENTS ARE
REPLACED OR IMPROPER OPERATION IS SUSPECTED.
$ XOS
Page
Section Page
4. DIAGRAMS
AE. © Sammiconductots: sis0eshise heres seeped nat oe dea 27
4-2. Circuit Boards Location «terete 31
4-3. Block Diagram ecdiaoh Sos Geianieeae at cblecte wise td ossiey dae Glee es 32
4-4. Printed Wiring Boards and
Schematic Diagrams: eee 35
5. CIRCUIT DESCRIPTION
5-1. Video Circuit Shia s Big wie wie oo ain Bbc bie bv WS SUED NESE S RTF e yo 5e 49
5-2. Oscillation Circuit Peer er re ere e rere rere rere eee er ee eee ees 50
5-3. Gate Array IC102 Peripheral Circuits -------+---- 51
5-4, System Control Section ree Te re ir ee ee a 53
5-5. Motor Drive Section IGisineie So's Oe eee. e Saids cotad WAY Teed Hwee 57
5-6. Thermal Head Section siuieie ste atts wool soe Uvio'e'y,s eng aty shows) s 58
6. EXPLODED VIEWS
6c. (Chassis: Section saeetiseieteescoe eee a 61
6-2. Print Mechanism Section (1) scree 62
6-3. Print Mechanism Section (2) cirri 63
6-4. Power Supply Section <-+:::ese:ceceeeseree ces 64
7. ELECTRICAL PARTS LIST ---eecrecrcececeeeee eee eeee 65
8. SWITCHING REGULATOR CHANGE oer 2
15891 and later (UP-860)
35201 and later (UP-870MD)
ATTENTION AUX COMPOSANTS RELATIFS ALA
SECURITE!
LES COMPOSANTS IDENTIFIES PAR UNE TRAME ET
PAR UNE MARQUE A\ SUR LES SCHEMAS DE PRINCIPE,
LES VUES EXPLOSEES ET LES LISTES DE PIECES
SONT D‘UNE IMPORTANCE CRITIQUE POUR LA
SECURITE DU FONCTIONNEMENT. NE LES REM-
PLACER QUE PAR DES COMPOSANTS SONY DONT LE
NUMERO DE PIECE EST INDIQUE DANS LE PRESENT
MANUEL OU DANS DES SUPPLEMENTS PUBLIES PAR
SONY. LES REGLAGES DE CIRCUIT DONT L'IMPOR-
TANCE EST CRITIQUE POUR LA SECURITE DU
FONCTIONNEMENT SONT IDENTIFIES DANS LE
PRESENT MANUEL. SUIVRE CES PROCEDURES LORS
DE CHAQUE REMPLACEMENT DE COMPOSANTS
CRITIQUES, OU LORSQU’UN MAUVAIS FONCTIONNE-
MENT EST SUSPECTE.