Servicing Notes; Flexible Circuit Board Repairing - Sony NT-1 Service Manual

CAUTION
Danger of explosion if battery is incorrectly re-
placed. Replace only with the same or equivalent
type recommended by the equipment manufacturer.
Discard used batteries according to manufacturer's
instructions.
ADVARSEL !
Lithiumbatteri-Eksplosionsfare ved fejlagtig handtering.
Udskiftning ma kun ske med batteri
af samme fabrikat og type.
Lever det brugte batteri tilbage til leverandcren.
ADVARSEL
Lithiumbatteri-Eksplosjonsfare.
Ved utskifting benyttes kun batteri som
anbefalt av apparatfabrikanten.
Brukt batteri returneres apparatleverand¢ren.
VARNING
Explosionsfara vid felaktigt batteribyte. Anvand samma
batterityp eller en likvardig typ som rekommenderas av
apparattillverkaren. Kassera anvant batteri enligt gallande
foreskrifter.
VAROITUS
Paristo voi rdjahtad, jos se on virheellisesti asennettu. Vaihda
paristo ainoastaan laitevalmistajan suosittelemaan tyyppiin.
Havita kaytetty paristo valmistajan ohjeiden mukaisesti.
SERVICING NOTES
FLEXIBLE CIRCUIT BOARD REPAIRING
e Keep the temperature of the soldering iron around 270°C
during repairing.
@ Do not touch the soldering iron on the same conductor of
the circuit board (within 3 times).
e Be careful not to apply force on the conductor when solder-
ing or unsoldering.
NOTES ON CHIP COMPONENT REPLACEMENT
e Never reuse a disconnected chip component.
@ Notice that the minus side of a tantalum capacitor may be
damaged by heat.
TABLE OF CONTENTS
Section Title Page
1. GENERAL
@ What is the Non-Tracking (NT) Format? .......... 4
@ Parts [dentincation:. s5s5 meus east see kaoess 5
@ Display: tsps twat sb whee ise nV eee es 6
@ Power Sources: 4. 2545.6 ca ketu iwi chvcaceans bacaeecevs 6
@ Setting the Date and Time..............- 0c cee eee 8
@ RECOrdING ie FS Ba ao 89s ROR ees 9
@ Listening to a tape ......... ccc eee eee ee ee eee 12
2. DISASEMBLY
2-1,-." Case GipperVAssy: '26iccewdarni« vad on aeevedinas 14
O22- « Wiann Assy i caoS een sian o a eletoawelw Bedstead 14
Qos MD ASSY Los ostacraiae ein tie asset ea s8 15
gd, AUD RSSy Oe oe 5 eo eee ee eh, Oise et peat ae ees 15
Bos. . VED PAGSY 13 ote gs ad nctle ace vente tare ces auEt eNIe iat eaallD
3. ASSEMBLY
3-1. How to Assembly of Main Flexible Board ........ 16
4. DIAGRAMS
At ° (Pin: FMnctions: -scndelaswcdaeicacisee or ee es 18
4-2. Semiconductor Load Layouts
Mains Section: (N fl)" esos wltevvate rida. 22
4-3, Printed Wiring Boards —Main Section (NT-1)— ..23
4-4, Schematic Diagram —Main Section (NT-1)—_ ....27
4-5. Printed Wiring Board —Connection Adaptor
Séction (NTU 2) sdetnsa hawk etn os Sede 31
4-6. Semiconductor Lead Layouts —Connection
Adaptor Section (NTU-2)— ........ 2... cece eee 31
4-7. Schematic Diagram —Connection Adaptor
Section (NTU) s..2c.aen teu gasnes doves 33
5. EXPLODED VIEWS
Hel - Cabinet Section 20.4e 005 a4c04 4 a wenwre aera tects 37
5-2. Mechanism Deck Section 1 ..................0.-- 38
5-3. Mechanism Deck Section 2 .............:0 eevee 39
5-4. Mechanism Deck Section 3 ..................--45 40
5-0. Connection Adaptor (NTU-2) ................005. 4]
6. ELECTRICAL PARTS LIST ...................... 42