Manuel d'utilisation / d'entretien du produit CCR612 du fabricant Boss Audio Systems
Aller à la page of 94
APPLICA TION NOTE User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) AN96029.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 © Philips Electronics N.V. 1997 All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copy- right owner.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 User Manual of High-End APPLICA TION NOTE RDS/EON Car Radio System CCR612 (V0.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Summary CCR612 is a computer controlled car radio system based on a P83CE528 microcontroller.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 CONTENTS 1 INTRODUCTION ............................................................... 1 1 1.1 Definitions, Acronyms and Abbreviations ......
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.2.4 Selecting preset stations ........................................... 6 0 6.2.5 Storing stations in preset memory ......................
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Modification with respect to old documents: This document replaces the following two documents: User Manual of Computer Controlled Car Radio System CCR612 V0.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Change history of: Diagrams and performance of R(B)DS Car Radio CCR612 with Cassette Deck.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 - Telephone mute circuit, between optrow (40) and Aumute (43) introduced. - The use of one crystal (8.66 MHz) for both micro and RDS demodulator is not possible in this set.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 10.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 1 INTRODUCTION CCR612 is a computer controlled high-end AM/FM car radio system with R(B)DS (Radio Broadcasting Data System), EON (Enhanced Other Network information) and I 2 C-bus controlled radio IC’s.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 1.1 Definitions, Acronyms and Abbreviations AF Alternative Frequencies (R(B)DS-information.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 2 HARDW ARE CONFIGURA TION 2.1 Block diagram CCR612 Figure 1 shows the block diagram of the high-end computer controlled RDS car radio system CCR612.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 AM /FM-IF MP X DE C.+I AC TEA6822T L R LC D DIS PLAY MAIN IIC-B US VOLT AGE STAB ILIZER TDA.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Isolator ( Differential Line Receiver, TDA8579T) Dual common-mode rejection differential line receiver with 0 dB gain and low distortion.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 2.1.4 Main Board Part 2a ( Micro-controller , EEPROM and RDS Demodulator) Page 84 shows the circuit diagram of the RDS Demodulator, Micro controller (which combines all radio control functions as well as RDS decoding) and EEPROM.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 2.1.7 Front Panels 2.1.7.1 Front Panel Part FP-1a (Key and Display panel) Page 87 shows the circuit diagram of the key and display panel.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 EURO 2, USA 1 and JAP AN 1 ICE MODULE VERSIONS. By slight circuit modifications of the standard module (EURO 1), matched module versions with better performance for e.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 2.2 Performance of the radio General Supply voltage range 10.2 to 16 V Quiescent current: power off < 2 mA (typ.) power on 550 mA (typ.) Operating ambient temperature -30 to 80 ° C FM frequency range: Europe 87.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 FM characteristics V supply = 14.4 V, T amb =2 5 ° C, f o = 98 MHz, f dev = ± 22.5 kHz, f mod = 1 kHz unless otherwise specified. Dummy aerial as shown in Figure 2.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 AM characteristics V supply = 14.4 V, T amb =2 5 ° C, f o = 999 kHz, m = 0.3, f mod = 1 kHz unless otherwise specified. Dummy aerial as shown in Figure 3.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Frequency grid Europe LW (search and manual tuning) 1 kHz MW (search and manual tuning) 9 k.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 3 SHORT SPECIFICA TION T uning Frequency bands: Optionally the following frequency bands are used: FM: 87.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 AF follow mode When AF follow mode is on, the set will regularly measure the signal strength of alternative frequencies and compare it with the current station.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 switch over to stations broadcasting regional variants of the original station. (so called "generic" or "family" PI codes).
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 15 Icons for display of: - ST On when stereo pilot signal is detected and the radio is not in forced mono mode. - AST On when AST band is selected.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Sound settings are stored at switch-off and recalled at switch-on. "Bleep" tone to confirm user actions such as storing a programme preset, entering AST mode, etc.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Power connections Continuous power supply input. Normally connected directly to the car battery. All supply power is drawn from this supply. Ignition key input.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Cassette Automatically switches to cassette mode after insertion of a tape Interfaces with .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 4 CCR612S PINNING AND INTERF ACING CCR612S is accommodated in a P83CE528 microcontroller in a 44-pins Quad Flat Package. It is manufactured in CMOS technology and is a derivative of the 80C51 microcontroller family.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 The next tables give a description of the function of all pins.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Pinning CCR612S Pin Name I/O Type Description 8 RDSCLK I IP 1 RDS Clock line. Connected to clock output pin of RDS demodulator SAA6579 9 CDC_bus I IP 1 CD-changer bus.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Pinning CCR612S Pin Name I/O Type Description 25 HOLD I IP 1 Connected to the hold output pin of the voltage stabilizer TDA3602. This pin is used to check for power failures.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Pinning CCR612S Pin Name I/O Type Description 32 SEL1_ PAUSE O I OD 2 SEL1 (no TEA632x installed).
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Pinning CCR612S Pin Name I/O Type Description 39 Vss Ground 40 OPTROW O IP 1 Connected to the cathodes of all option diodes. During switch on, this pin is pulled low by the microcontroller to find out which option diodes are present.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Pins 18 to 24 of CCR612 with fixed front. Pin Name I/O Type Description 18 KEYB0 I/O IP 1 L.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Pins 18-24 of CCR612 with detachable front Pin Name I/O Type Description 18 KEYB0 I/O IP 1 .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 4.2 Factory options 4.2.1 Diode options The following options can be selected by means of option diodes: Diode Pin Description D1 44 Detachable keyboard is available.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 4.2.2 Automatically detected options CCR612S will detect the following options automatically: Digital sound control chip. Presence / absence of a sound control chip (TEA632x) is detected by testing its I 2 C bus address.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 4.4.1 Fixed keyboard The fixed keyboard is scanned every 10 milliseconds. For debouncing, the same situation must be detected 3 times before it is accepted.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 CCR6 1 2S 23 24 14 15 SD A SCL 4 5 6 7 11 DETACHABLE KEYB OARD SCANNER PCF8 574 9 10 P1 P3 P4 / AM S P2 P6 / DO LBY P5 / MTL AU T O / MAN LOCA L/ DX MODE VO L DOWN FRE Q DOWN PR E DO WN / DOLBY VO L UP FRE Q.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 No digital sound control chip installed. In this case, the keys VOL-UP, VOL-DOWN are not required. The following keys are optional. If omitted, the related functionality is not available, but other functions are not affected.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 The following events must bring the voltage stabilizer in reset state: Main power supplied .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 4.6 LCD display . The LCD display is a 143 segment display, with a character set that includes umlaut (ü) characters.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Appendix II defines the connection of the segments of the display. Appendix III shows the character set. Figure 10 shows a diagram of the LCD driver interface.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 5 KEY FUNCTIONS In the following table External mode is: CD-changer mode, Cassette mode or External plug mode. Key Description POWER When the radio is off, this key generates a reset pulse to start the microcontroller.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description AST When pressed short (not in Cassette & External mode) : - If the radio is in FM-1 or FM-2 band, it switches to FM-AST band.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description (continued) FREQ-UP FREQ-DOWN Automatic tuning mode: The radio will increase/decrease the frequency until a new station is found.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description (continued) FREQ-UP FREQ-DOWN CD-changer mode, short press. In CD-changer mode a short push on the FREQ UP and FREQ DOWN keys is used to respectively move one track up or one track down.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description (continued) DISC DOWN DISC UP SHUFFLE DISC REPEAT TRACK INTRO SCAN CD-changer mode, short press.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description PRE-UP PRE-DOWN MTL DOLBY These keys are installed only if the keys P1 - P6 are not installed. When pressed short, these keys are used to step to the next/previous preset programme.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description TA This key is active only if the radio is in FM.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description AF REGIONAL When pressed short: Switches AF follow mode on/off. The state of the AF follow mode is displayed by the AF Icon: Icon off: AF follow mode off Icon on: AF follow mode on; RDS reception OK.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description DISPLAY By default (in radio mode), the display will show the programme service name of the current station, or - when not available - the band and frequency.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description (continued) SELECT When pressed longer than 4 seconds (until the radio bleeps): User option programming mode is entered.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Key Description STEREO This key is only active in FM. It is used to force mono reception if stereo reception has too much noise. The mono/stereo state is reset to stereo by all user tuning operations or preset selections.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6 FUNCTIONAL DESCRIPTION 6.1 Switching on / off To switch the radio on, a reset pulse must be applied to the microcontroller.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.2 T uning 6.2.1 Band switching Band switching can be done with the AST and BAND keys (see Figure 12). In the AST bands, the AST icon is on. Band switching is only accessible in Radio Mode.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Repetitive steps (after 0.5 sec) - 12.5 steps/sec - De-mute at key release - Frequency step.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.2.3 Frequency scan The frequency scan mode enables the user to listen to all stations transmitted in the selected band (FM, MW, LW or SW). The radio pauses for 6 seconds on every station found before search is started again.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.2.6 AST search To start an AST (Automatic Store Tuning) search, press the AST key until the radio bleeps (2 seconds). Now, the following actions are taken: 1.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Radi o mode Casset te mo de Ext erna l m ode tape in conne ctor in c onnec to r out t ape out CD-changer mo de Figure 14 Source selection by external event.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.3.3 Cassette functions The cassette interface is based on a mechanical tape deck. When a cassette is playing, the display will show the text "PLAY >" or "PLAY <" indicating the play direction.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.4.1 The SELECT key By default, the VOL-UP and VOL-DOWN keys control the volume. To select other functions, press the select key short until the desired function is shown on the display.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 treble, balance and fader to mid-range and will switch loudness off.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Figure 16 explains how user options can be programmed. SE LE CT > 4 seconds BA ND FRE Q UP FRE Q D OW N 2 SPKRS / 4 SPKRS LOUD O N / L OUD O FF TA LV L SELEC T 6 sec ti me o u t EXIT Figure 16 Programming user options 6.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 6.5.2 PTY functions CCR612 offers the user the possibility to search for a station with a certain user selected PTY code. When key PTY is pressed, the currently received PTY code is displayed.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 the TA requirement and search only for a station with the correct PTY code. If still no station can be found, the radio will return to its original tuned frequency.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 7 RDS / RBDS F ACILITIES. As soon as the radio is steadily tuned to an FM station, it will start collecting RDS information.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 7.4 T raffic Announcements RDS data contains two bits called TP (Traffic Programme) and TA (Traffic Announcement), see the table below for the meaning of these bits.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 When AF follow mode is on, the next actions are taken: 1. When selecting a preset, the radio will load the AF list from NVM, and measure the signal strength of the primary frequency and all alternative frequencies.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 APPENDIX I NVM layout and initialisation Words (16 bits) are stored with the most significant byte first (in lowest address).
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Layout of NVM sub address function meaning / encoding 08 system status bit 0/1/2 Band 000 =.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 Layout of NVM sub address function meaning / encoding 3 9-F 5 AF lists 39 - 77 FM-1 78 - B6 FM-2 B7 - F5 FM-AST For each band: 00 - 08 AF list for manual/search tuned frequency 09 - 11 AF list for preset-1 .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 NVM initialisation values sub address function meaning / encoding 00 Checksum 02H, Checksu .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 NVM initialisation values sub address function meaning / encoding F6 - 157 Preset Frequencies 00H for each band and preset Frequency is 0000 FM = 87.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 APPENDIX II Segment addresses for 143 segment display Segment addresses for the used (143) segments. Note that BP0 and BP3 are swapped. PCF8576 pin Segment line BP3 BP1 BP2 BP0 LCD pin Segment line BP0 BP1 BP2 BP3 1 S0 .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 PCF8576 pin Segment line BP3 BP1 BP2 BP0 LCD pin Segment line BP0 BP1 BP2 BP3 28 S27 7E 7F .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 APPENDIX III LCD Display Character Set. 20 21 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 30 .
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 APPENDIX IV CIRCUIT DIAGRAMS 80.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for MAIN BOARD PART 1A 81.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for MAIN BOARD PART 1B 82.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for MAIN BOARD PART 1C 83.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for MAIN BOARD PART 2A 84.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for MAIN BOARD PART 2B 85.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for MAIN BOARD PART 3 86.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for FRONT BOARD PART FP-1A 87.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for FRONT BOARD PART FP-1B 88.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for ICE MODULE EURO 1 89.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for CCR612 mainboard pcb top 90.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for CCR612 mainboard pcb bottom 91.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for ICE module pcb 92.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for front panel top 93.
Philips Semiconductors User Manual of High-End RDS/EON Car Radio System CCR612 (V0.3) Application Note 96029 dummy page for SUB BOARD PACS 94.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Boss Audio Systems CCR612 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Boss Audio Systems CCR612 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Boss Audio Systems CCR612, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Boss Audio Systems CCR612 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Boss Audio Systems CCR612, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Boss Audio Systems CCR612.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Boss Audio Systems CCR612. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Boss Audio Systems CCR612 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
