Manuale d’uso / di manutenzione del prodotto XR-4803 del fabbricante Sony
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MICROFILM SERVICE MANUAL FM/MW/L W CASSET TE CAR STEREO East European Model Model Name Using Similar Mechanism NEW T ape T ranspor t Mechanism T ype MG-25F-136 SPECIFICA TIONS XR-4803 – Continued on.
– 2 – T ABLE OF CONTENTS 1. GENERAL ................................................................... 3 2. DISASSEMBL Y ......................................................... 9 3. ASSEMBL Y OF MECHANISM DECK ........... 11 4. MECHANICAL ADJUSTMENTS .
– 3 – SECTION 1 GENERAL This section is e xtracted from instruction manual..
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– 9 – FRONT P ANEL ASS’Y CO VER ASS’Y Note: Follow the disassemb ly procedure in the numerical order giv en. SECTION 2 DISASSEMBL Y 2 Remov e the front panel ass’y to the direction of the arrow A .
– 10 – SUB P ANEL, MECHANISM DECK (MG-25F-136) MAIN BO ARD, HEA T SINK 1 three screws (PTT2.6 × 8) 1 three screws (PTT2.6 × 8) 3 connector (CN351) 4 flexib le flat cab le (CN301) 2 sub panel 6 mechanism dec k (MG-25F-136) 5 screw (PTT2.6 × 6) 1 two screws (PTT2.
– 11 – HOUSING ARM (SUCTION) Note: Follow the assembly procedure in the n umerical order giv en. SECTION 3 ASSEMBL Y OF MECHANISM DECK A par t C par t B par t D par t 8 Hold the hanger by bending the claw . 6 Fit projection on D par t. 4 Fit claw on B par t.
– 12 – LEVER (LDG-A) / (LDG-B) GEAR (LDG-FT) shaft A shaft B shaft C 1 Fit the lev er (LDG-A) on shafts A – C and install it. shaft A shaft B 2 Fit the lev er (LDG-B) on shafts A and B and install it.
– 13 – GUIDE (C) 2 guide (C) 1 three claws.
– 14 – SECTION 4 MECHANICAL ADJUSTMENTS Mode T ension Meter Meter Reading Forward CQ-403A more than 90 g (more than 3.18 oz) Rev erse CQ-403R more than 90 g (more than 3.18 oz) • T ape T ension Measurement 1. Clean the following parts with a dena tured-alcohol-moistened swab: playback head pinch roller rubber belt capstan idler 2.
– 15 – TUNER SECTION 0 dB=1 µV Cautions during repair When the tuner unit is defectiv e, replace it by a ne w one be- cause its internal block is diff icult to repair . Note: Adjust the tuner section in the sequence sho wn belo w . 1. FM Auto Scan/Stop Le vel Adjustment.
– 16 – AM (MW) A uto Scan/Stop Le vel Adjustment Make this adjustment after “FM Auto Scan/Stop Le vel Adjustment”. Setting: [SOURCE] and [MODE] button: MW Procedur e: 1. Set to the test mode. (See page 14.) 2. Push the [SOURCE] b utton and set to FM.
– 17 – 6-1. IC PIN FUNCTION DESCRIPTION SECTION 6 DIA GRAMS • MAIN BOARD IC501 µ PD17707GC-529-3B9 (SYSTEM CONTROLLER) Pin No. Pin Name I/O Function 1 AMSSEL I Setting terminal for the AMS sele.
– 18 – Pin No. Pin Name I/O Function 41 KEYACK I Input of acknowledge signal for the key entry Acknowledge signal is input to accept function and eject keys in the power off status On at input of .
– 19 – Pin No. Pin Name I/O Function 69 UNISO O Serial data output terminal for the unilink Not used (open) 70 UNISI I Serial data input terminal for the unilink Not used (fixed at “L”) 71 UNI.
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– 31 – • IC Block Diagrams – MAIN Boar d – IC301 CXA2509A Q-T4 IC331 LC75373ED IC351 MM1322XFBE + – + – + – + – + – 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 21 22 23 26 2.
– 32 – IC611 BA3918-V2 + – + – + – + – OVER VOLTAGE PROTECT REGULATOR 1 2 3 4 5 6 7 8 9 10 12 11 NC MODE2 MODE1 STB VDD AMP VCC ANT COM AM FM GND.
– 33 – SECTION 7 EXPLODED VIEWS • Items marked “*” are not stocked since they are seldom required for routine service. Some delay should be anticipated when ordering these items. • The mechanical parts with no reference num- ber in the exploded vie ws are not supplied.
– 34 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark (2) FR ONT P ANEL SECTION 101 3-018-799-01 BUTTON (D-BASS) 102 3-015-036-01 CUSHION (BACK P ANEL) 103 3-016-924-01 BUTTON (L) (2) (+.
– 35 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark (3) MECHANISM DECK SECTION (MG-25F-136) 151 A-3291-667-A CLUTCH (FR) ASSY * 152 3-019-130-01 LEVER (LDG-A) * 153 3-.
– 36 – SECTION 8 ELECTRICAL P ARTS LIST Ref. No. Part No. Description Remark NO TE: • Due to standardization, replacements in the parts list may be different fr om the par ts speci- fied in the diagrams or the components used on the set. • -XX and -X mean standardiz ed parts, so they may hav e some difference fr om the original one.
– 37 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R956 1-216-049-11 RES, CHIP 1K 5% 1/10W R962 1-216-025-00 RES, CHIP 100 5% 1/10W R963 1-216-033-00 MET AL CHIP 220 .
– 38 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark C358 1-163-251-11 CERAMIC CHIP 100PF 5% 50V C359 1-164-489-11 CERAMIC CHIP 0.22uF 10% 16V C501 1-163-235-11 CERAMIC CHIP 22PF 5% 50V C502 1-163-234-11 CERAMIC CHIP 20PF 5% 50V C503 1-124-584-00 ELECT 100uF 20% 10V C504 1-164-004-11 CERAMIC CHIP 0.
– 39 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark JC151 1-216-296-00 SHORT 0 JC161 1-216-295-00 SHORT 0 JC162 1-216-295-00 SHORT 0 JC163 1-216-296-00 SHORT 0 JC251 1.
– 40 – Ref. No. Part No. Description Remark Ref. No. Part No. Description Remark R282 1-216-073-00 MET AL CHIP 10K 5% 1/10W R283 1-216-081-00 MET AL CHIP 22K 5% 1/10W R284 1-216-129-00 MET AL CHIP 2.
– 41 – Ref. No. Part No. Description Remark ************** HARDWARE LIST ************** #1 7-621-772-10 SCREW +B 2X4 #2 7-685-793-09 SCREW +PTT 2.6X8 (S) #3 7-685-792-09 SCREW +PTT 2.6X6 (S) #4 7-685-794-09 SCREW +PTT 2.6X10 (S) #5 7-685-106-19 SCREW +P 2X10 TYPE2 NON-SLIT #6 7-624-104-04 STOP RING 2.
– 42 – XR-4803 Sony Corporation Per sonal & Mobile Communication Compan y 9-925-681-11 98A05076-1 Printed in Japan © 1998. 1 Published by Quality Assurance Dept.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Sony XR-4803 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Sony XR-4803 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Sony XR-4803 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Sony XR-4803 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Sony XR-4803, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Sony XR-4803.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Sony XR-4803. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Sony XR-4803 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
