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Pioneer AVIC-505 Service Manual
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Pioneer AVIC-505 Service Manual

Pioneer AVIC-505 Service Manual

Mobile navigation system
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Download this manual See also: Owner's Manual, Installation Manual
MOBILE NAVIGATION SYSTEM
AVIC-505
- See the separate manual CX-597(CRT1829) for the CD mechanism description, disassembly and circuit
description.
- The CD mechanism employed in this model is one of S7 series.
CONTENTS
1. SAFETY INFORMATION ............................................2
2. EXPLODED VIEWS AND PARTS LIST.......................4
3. SCHEMATIC DIAGRAM ...........................................12
4. PCB CONNECTION DIAGRAM ................................42
5. ELECTRICAL PARTS LIST ........................................52
6. ADJUSTMENT..........................................................61
7. GENERAL INFORMATION .......................................66
7.1 IC ........................................................................66
PIONEER ELECTRONIC CORPORATION
PIONEER ELECTRONICS SERVICE INC.
PIONEER ELECTRONIC [EUROPE] N.V.
PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936
C PIONEER ELECTRONIC CORPORATION 1999
4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan
P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.
Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium
7.2 DIAGNOSIS ........................................................86
7.2.1 DISASSEMBLY..........................................86
7.2.2 TEST MODE...............................................88
7.2.3 TEST MODE (MAIN UNIT)........................90
7.3 EXPLANATION ...................................................95
7.3.1 CIRCUIT DESCRIPTIONS ..........................95
7.3.2 BLOCK DIAGRAM .....................................96
8. OPERATIONS AND SPECIFICATIONS ....................98
K-FZA. JAN. 1999 Printed in Japan
ORDER NO.
CRT2234
US,EW

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  • Page 1: Table Of Contents

    PIONEER ELECTRONICS SERVICE INC. P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A. PIONEER ELECTRONIC [EUROPE] N.V. Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium PIONEER ELECTRONICS ASIACENTRE PTE.LTD. 253 Alexandra Road, #04-01, Singapore 159936 C PIONEER ELECTRONIC CORPORATION 1999 K-FZA. JAN. 1999 Printed in Japan...

  • Page 2: Safety Information

    64). 1. SAFETY INFORMATION 1.1 AVIC-505/US CAUTION This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

  • Page 3: Laser Product

    AVIC-505 1.2 AVIC-505/EW This service manual is intended for qualified service technicians; it is not meant for the casual do-it-yourselfer. Qualified technicians have the necessary test equipment and tools, and have been trained to properly and safely repair complex products such as those covered by this manual.

  • Page 4: Exploded Views And Parts List

    AVIC-505 2. EXPLODED VIEWS AND PARTS LIST 2.1 PACKING...
  • Page 5 AVIC-505/US CRB1422 English AVIC-505/EW CRD2635 English, Spanish, German, French, Italian, Dutch (2) CONTRAST TABLE AVIC-505/US and AVIC-505/EW are constructed same except for the following: Part No. Mark No. Symbol and Description AVIC-505/US AVIC-505/EW 18 Accessory Assy CEA2477 CEA2407 22 Polyethylene Bag...
  • Page 6 AVIC-505 2.2 EXTERIOR...
  • Page 7 AVIC-505...
  • Page 8 21 Cushion CNM5591 80 IC(IC902) NJM78M08FA 22 Insulator CNM5884 81 Transistor(Q912) 2SD2396 23 Insulator CNM5776 82, 83 ••••• 24 Main Unit(AVIC-505/US) CWM5943 84 Spacer CNM5907 Main Unit(AVIC-505/EW) CWM5723 85, 86 ••••• 25 Connector(CN801) CKS2775 87 Tape CNM5881 26 Connector(CN703) CKS2779...
  • Page 9 AVIC-505...
  • Page 10 AVIC-505 2.3 CD MECHANISM MODULE...
  • Page 11 AVIC-505 - CD MECHANISM MODULE SECTION PARTS LIST Mark No. Description Part No. Mark No. Description Part No. 1 Control Unit CWX2208 46 Connector(CN701) CKS2775 2 Pickup Unit(Service) CXX1230 47 Connector(CN801) CKS2194 48 Spring CBH1832 3 Screw IMS26P035FMC 4 Screw...

  • Page 12: Schematic Diagram

    AVIC-505 3. SCHEMATIC DIAGRAM 3.1 OVERALL CONNECTION DIAGRAM Note: When ordering service parts, be sure to refer to “EXPLODED VIEWS AND PARTS LIST” or “ELECTRICAL PARTS LIST”. CORD ASSY PS PCB GRILLE PCB...
  • Page 13 AVIC-505 REMOTE CONTROL ASSY MICROPHONE ASSY GPS ANTENNA ASSY MAIN UNIT CC SECTION IF SECTION GPS SECTION PS UNIT Consists of Grille PCB PS PCB...
  • Page 14 AVIC-505 3.2 MAIN UNIT(1/3)(GUIDE PAGE) - CC SECTION Large size SCH diagram MAIN DRAM × 4 Guide page Detailed page CAR CONTROL RESET CIRCUIT MAIN MEMORY SRAM MAIN MEMORY ROM CPUCLK VCLK LEVEL CONVERTER GRAPHICS PROCESSING (GRAPHICS RENDELER) GRAPHICS PROCESSING MEMORY...
  • Page 15 AVIC-505 MAIN CPU CAR CONTROL TO SYSTEM µ-COM COMMUNICATION GATE PD4844B GPS, GYRO SIGNAL PROCESSING, RTC, CODEC I/F, PSG, PERIPHERAL ASIC CAR CONTROL TO MULTI-FM, EXTERNAL COMMIUNICATION GATE...
  • Page 16 AVIC-505...
  • Page 17 AVIC-505...
  • Page 18 AVIC-505...
  • Page 19 AVIC-505...
  • Page 20 AVIC-505 3.3 MAIN UNIT(2/3)(GUIDE PAGE) - IF SECTION Large size SCH diagram Guide page SP OUTPUT Detailed page SYSTEM CD CONTROL µ-COM AMUTE DRIVER GYRO D/A POWER COMPLEMENT OF POWER S GYRO CAR SPEED PULSE WAVEFORM RGB BUFFER VIDEO POWER SUPPLY...
  • Page 21 AVIC-505 NOISE INPUT : NAVI AUDIO SIGNAL : NAVI VIDEO SIGNAL HPF(NOISE) CODEC POWER SUPPLY UT AMP HPF(AUDIO) MUTE AUDIO INPUT SRAM, RTC R AMP POWER SUPPLY SUPPLY POWER AMP + VCA EXAMINATION CONNECTOR SYSTEM µ-COM to TV µ-COM COMMUNICATION GATE...
  • Page 22 AVIC-505...
  • Page 23 AVIC-505...
  • Page 24 AVIC-505...
  • Page 25 AVIC-505...
  • Page 26 AVIC-505 3.4 MAIN UNIT(3/3) - GPS SECTION GPS. ANT IN CCH1294...
  • Page 27 AVIC-505 3.5 GRILLE PCB GRILLE PCB PS UNIT Consists of Grille PCB PS PCB CN903 CN601...
  • Page 28 AVIC-505 3.6 PS PCB PS PCB PS UNIT Consists of Grille PCB PS PCB 8.5V REGULATOR 8V REGULATOR 9V REGULATOR BACK LIGHT POWER SUPPLY 3.3V REGULATOR LAMP RECEIVING PART ILLUMINATION CN703...
  • Page 29 AVIC-505 ILLUMINATION SENSE ACC / B.UP SENSE, RESET, B.UP LINKAGE, VDD5V POWER SUPPLY PARKING SENSE 5V DC/DC CONVERTER MUTE BACK SENSE PULSE IN MONITOR CONTROL OUTPUT...
  • Page 30 AVIC-505 Note:The numbers circled are the measure points of the circuit diagram of page 20 to 29. - Waveforms 2 MAIN UNIT TP FSC 1 PS PCB TP FREQ3 5V/div. 2µs/div. 500mV/div. 200ns/div. 7 MAIN UNIT TP RED 8 MAIN UNIT TP GRE 9 MAIN UNIT TP BLU 1V/div.
  • Page 31 AVIC-505 ! MAIN UNIT TP CSYNC 5V/div. @ MAIN UNIT TP SYNC0 2V/div. 50µs/div. $ MAIN UNIT TP REMIN # MAIN UNIT TP CVOUT 1V/div. 5ms/div. 500mV/div. At remote control sending At test disc color bar indication % PS PCB TP PULSE1 5V/div.
  • Page 32 AVIC-505 3.7 CD MECHANISM MODULE(GUIDE PAGE) Large size SCH diagram Guide page Detailed page CXB3043 CXB2199 CXA8702...
  • Page 33 AVIC-505...
  • Page 34 AVIC-505...
  • Page 35 AVIC-505...
  • Page 36 AVIC-505...
  • Page 37 AVIC-505...
  • Page 38 AVIC-505 Note:1. The numbers circled are measure points of the circuit diagram of page 32 to37 2. Reference voltage REFO:2.5V - Waveforms 1 RFO 1 CH1: RFO 1 CH1: RFO 0.5V/div. 0.5µs/div. 1V/div. 1V/div. 0.5ms/div. 0.5ms/div. 2 CH2: MIRR 2 CH2: MIRR Normal mode: play 5V/div.
  • Page 39 AVIC-505 8 CH1: TEY 8 CH1: TEY 0.2V/div. 0.5V/div. 5ms/div. 20ms/div. 9 CH2: TIN ! CH2: SD 0.2V/div. 0.5V/div. Normal mode: play → REFO → REFO → → REFO REFO 0 EC @ EFM 8 CH1: TEY 1V/div. 5µs/div. 1V/div.
  • Page 40 AVIC-505 6 CH1: FEY 8 CH1: TEY 0.2V/div. 1 CH1: RFO 1V/div. 0.2V/div. 1ms/div. 1ms/div. 0.5ms/div. ⁄ CH2: HOLD 3 CH2: FIN 9 CH2: TIN 5V/div. 0.5V/div. 0.5V/div. Normal mode: The defect part passes Normal mode: During AGC Normal mode: During AGC 800µm...
  • Page 41 AVIC-505...

  • Page 42: Pcb Connection Diagram

    AVIC-505 4. PCB CONNECTION DIAGRAM 4.1 MAIN UNIT CN153 CN902 MAIN UNIT CN701...
  • Page 43 AVIC-505 NOTE FOR PCB DIAGRAMS 1. The parts mounted on this PCB include all necessary 2. Viewpoint of PCB diagrams parts for several destination. Capacitor Connector For further information for respective destinations, SIDE A be sure to check with the schematic diagram.
  • Page 44 AVIC-505 MAIN UNIT...
  • Page 45 AVIC-505 SIDE B...
  • Page 46 AVIC-505 4.2 GRILLE PCB SIDE A...
  • Page 47 AVIC-505 SIDE B...
  • Page 48 AVIC-505 4.3 PS PCB SIDE A PS PCB CORD ASSY CN703 CN152...
  • Page 49 AVIC-505 SIDE B PS PCB...
  • Page 50 AVIC-505 4.4 CD MECHANISM MODULE SIDE A...
  • Page 51 AVIC-505 SIDE B...

  • Page 52: Electrical Parts List

    =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Unit Number : CWM5943(AVIC-505/US) Transistor 2SA1036K Unit Number : CWM5723(AVIC-505/EW) Transistor DTC144EU Unit Name : Main Unit Transistor DTA114EU Transistor...
  • Page 53 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Inductor CTF1334 RESISTORS Inductor CTF1334 Inductor CTF1334 RS1/16S683J Inductor CTF1334 RS1/16S151J Inductor CTF1334 RS1/16S150J RS1/16S271J Inductor CTF1334 RS1/16S182J Inductor...
  • Page 54 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S473J RS1/16S473J RS1/16S473J RS1/16S473J RS1/16S113J RS1/16S473J RS1/16S113J RS1/16S473J RS1/16S223J RS1/16S101J RS1/16S223J RS1/16S101J RS1/16S123J RS1/16S101J RS1/16S123J RS1/16S102J RS1/16S222J RS1/16S333J RS1/16S392J...
  • Page 55 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/16S622J 8005 RS1/16S683J RA4C203J 8006 RS1/16S683J RS1/16S103J 8007 RS1/16S683J RA4C203J 8008 RS1/16S393J RA4C103J 8009 RS1/16S393J RS1/16S562J 8010 RS1/16S393J RS1/16S622J...
  • Page 56 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CKSRYB103K25 CKSQYF105Z16 CKSQYB104K16 CKSRYB474K10 CSZSC4R7M20 CKSRYF104Z25 CKSRYB103K25 CKSQYF105Z16 CEVNP2R2M35 CKSRYB224K10 CKSRYB472K50 CKSRYB224K10 CKSRYB222K50 CKSRYF104Z25 CKSQYB104K16 CKSRYF104Z25 CCSRCH470J50 CKSRYB474K10 CEV220M10...
  • Page 57 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- CEV470M16 6032 CKSQYF105Z16 CEV100M16 6033 CKSRYF104Z25 CKSQYF105Z16 6034 CKSRYB222K50 CKSQYB104K16 6035 CKSRYB224K10 CEV221M4 6036 CKSQYB105K10 CEV221M4 6037 CKSYF226Z10 CEV221M4...
  • Page 58 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Transistor 2SA1037K RESISTORS Transistor 2SC2412K Transistor DTC114EK RS1/10S0R0J Transistor DTC114EK RS1/10S0R0J Transistor 2SB1184F5 RS1/10S0R0J RS1/10S0R0J Transistor 2SB1566 RS1/10S0R0J Transistor...
  • Page 59 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- RS1/10S104J CSZST330M16 RS1/10S102J CKSQYB104K50 RS1/10S102J CKSQYB473K50 RS1/10S104J CEAS470M25 RS1/4S151J CKSQYB104K50 RS1/10S223J 1000µF/16V CCH1149 RS1/4S122J CKSQYB104K50 RS1/10S224J CEAS101M10 RS1/10S224J 3300µF/16V...
  • Page 60 AVIC-505 =====Circuit Symbol and No.===Part Name Part No. =====Circuit Symbol and No.===Part Name Part No. ------ ------------------------------------------ ------------------------- ------ ------------------------------------------ ------------------------- Switch(Clamp) CSN1028 CKSYB334K16 Checker Chip CKF1031 CKSQYB104K16 Checker Chip CKF1031 CKSRYB472K50 CKSQYB104K16 RESISTORS CCSRCJ3R0C50 RS1/8S100J CKSRYB153K25 RS1/8S120J CCSRCH470J50 RS1/16S682J...

  • Page 61: Adjustment

    AVIC-505 6. ADJUSTMENT 6.1 SINGLE CHECKING METHOD 6.1.1 FOR NAVIGATOR ITSELF Single movement checking method when only navigation system is brought is as follows, Usually, to display navigation, a special TV monitor (AVD-505) is required. However, the check is possible with the TV monitor (NTSC) with RCA input terminal connected as follows, 1) Checkpoints : SYNC OUT·········Navigation screen signal line...
  • Page 62 AVIC-505 - CD Test Mode 1)Precautions · This unit uses a single power supply (+5V) for the · Test mode cancellation 1. Turn the test point of the cdtest open. regulator. The signal reference potential, therefore, is connected to REFO(approx. 2.5V) instead of GND.
  • Page 63 AVIC-505 - Flow Chart To Test Mode CD TEST=L Reset Power or CD Player Select Disc Set New Test Mode Power ON Power ON (Not Adjustment for T.OFFSET) (Adjustment for T.OFFSET) J.S ↑ 00 00 00 99 99 99 Display...
  • Page 64 AVIC-505 6.2 CHECKING THE GRATING - Checking the Grating After Changing the Service Pickup Unit · Note : Unlike previous CD mechanism modules the grating angle of the Pickup unit cannot be adjusted after the Pickup unit is changed. The Pickup unit in the CD mechanism module is adjusted on the production line to match the CD mechanism module and is thus the best adjusted Pickup unit for the CD mechanism module.
  • Page 65 AVIC-505 Ech → Xch 20mV/div, AC Grating waveform Fch → Ych 20mV/div, AC 0° 30° 45° 60° 75° 90°...

  • Page 66: General Information

    AVIC-505 7. GENERAL INFORMATION 7.1 IC NJM4558V MSM514265C-60TS TC7W32FU GGC1289(UPD705101GM-100) TC74ACT08FT PD4860B PD4844B TC74ACT541FT NJM2244M HD64411 UPD63310GK TC7W66FU M5M4V17805DTP-6S NJM2100V BA7623F GGC1293(TC51V17805CFTS-60) GGC1296(TC74VHCT08AFT) NJM78M08FA GGC1295(M5M51016BTP-10VH) TC7W02FU UPD63702AGF PD8052B TC7S86FU BA6797FM GGC1290(LH28F032SUHTD-70) TC7SET08FU NJM4558V A OUTPUT – + B OUTPUT A–INPUT + –...
  • Page 67 AVIC-505 Pin No. Pin Name Function and Operation Power supply PORT2/SI Port/CSI data input PORT1/SO Port/CSI data output PORT0/sclk Port/CSI clock input/output VDD_PLL PLL (internal clock generator) power supply Connect to crystal resonator (external clock input time open) Connect to crystal resonator/External clock input...
  • Page 68 AVIC-505 Pin No. Pin Name Function and Operation 122-131 A21-12 Address bus Power supply 134,135 A11,10 Address bus Power supply 138-145 A9-2 Address bus Power supply Power supply Address bus DRAM write strobe DRAM read strobe Row address strobe/Chip select...
  • Page 69 AVIC-505 - Pin Functions (PD4844B) Pin No. Pin Name Function and Operation REFCK 16.368MHz (inverter amp in) Not used PU:connect to H EXREFCK 16.368MHz GPS reference frequency input Power supply CARD5-2 Not used PD:connect to L 11,12 CARD1,0 Not used PD:connect to L...
  • Page 70 AVIC-505 Pin No. Pin Name Function and Operation RXD2 CD-ROM drive serial input RXD1 Serial input for GPS almanac examination RXDIE Not used PD:connect to L IROIE Not used PD:connect to H IR_IN Remote controller signal input DIRBCK CD-ROM changer bit clock input Not used PD:connect to L...
  • Page 71 AVIC-505 Pin No. Pin Name Function and Operation WTEXT Not used PU:connect to H 131,132 IRQEXT0,1 Not used PU:connect to H CPUSEL CPU select signal input (0:V831 1:other CPU) VCPUCK Host bus cycle clock (28.7063MHz) BCYST Bus cycle start signal (active low)
  • Page 72 AVIC-505 Pin No. Pin Name Function and Operation Power supply 222-224 D25-27 Host data input 226,227 D28,29 Host data input Power supply 229,230 D30,31 Host data input ICBUFDIR Not used CARD11 Not used CARD10 Not used PD:connect to L 236-239...
  • Page 73 AVIC-505 Pin No. Pin Name Function and Operation RESET Reset CLKO Clock output 39,40 A1,A2 Address input Power supply 42-49 A3-10 Address input 51-62 A11-22 Address input 64-68 MD0-4 Memory data 0-4 Memory data 5 Power supply 72-78 MD6-12 Memory data 6-12...
  • Page 74 AVIC-505 - Pin Functions (M5M4V17805DTP-6S) Pin No. Pin Name Function and Operation Power supply (+3.3V) DQ1-4 Data input/output Write control input Row address strobe input Not used 9-13 A10,A0-3 Address input Power supply (+3.3V) Power supply (0V) 16-21 A4-9 Address input...
  • Page 75 AVIC-505 - Pin Functions (GGC1295 (M5M51016BTP-10VH)) Pin No. Pin Name Function and Operation Not used 2-10 A12,A7-0 Address input Chip select input Output enable input Not used 15-22 DQ1-8 Data input/output 24-31 DQ9-16 Data input/output Not used 34-37 A10,11,9,8 Address input...
  • Page 76 AVIC-505 - Pin Functions (GGC1290 (LH28F032SUHTD-70)) Pin No. Pin Name Function and Operation 3.3V/5.0V select be!l Chip enable be!h Chip enable A20-16 Block select address Device power supply 10-13 A15-12 Word select address Chip enable Write/Erase power supply Reset/Power down...
  • Page 77 AVIC-505 *MSM514265C-60TS TC74ACT08FT TC74ACT541FT 1 g1 20 VCC 19 g2 2 A1 3 A2 18 Y1 17 Y2 4 A3 16 Y3 5 A4 6 A5 15 Y4 7 A6 14 Y5 8 A7 13 Y6 12 Y7 9 A8...
  • Page 78 AVIC-505 *UPD63310GK - Pin Functions (UPD63310GK) Pin No. Pin Name Function and Operation IN1R R side analog audio input IN2R R side analog audio input IN3R R side analog audio input IN4R R side analog audio input Analog input IN4L...
  • Page 79 AVIC-505 Pin No. Pin Name Function and Operation AVDD Power supply 61,62 Not used VRRI R side reference voltage input VRRO R side reference voltage output VRLI L side reference voltage input VRLO L side reference voltage output VXRI R side reference voltage input...
  • Page 80 AVIC-505 TC7W32FU TC7SET08FU 1 IN B 5 VCC 2 IN A 3 GND 4 OUT Y - Pin Functions (PD4860B) Pin No. Pin Name Function and Operation SWACC Monitor lamp receiving part power supply control output cisen Cigar sense input (Not used:fixed L)
  • Page 81 AVIC-505 Pin No. Pin Name Function and Operation VDCONT S7:VD power supply control output CDMUTE S7:CD MUTE control output CDEJET S7:Load Motor Eject control output CDLOAD S7:Load Motor Load control output LOCK S7:Spindle Lock detection input S7:Focus OK input Clock adjustment input...
  • Page 82 AVIC-505 NJM2244M TC7W66FU IN/OUT 1 75Ω DRIVER OUT/IN 1 2 7 COUT 1 SW 1 CONT 2 3 OUT/IN 2 BIAS GND 4 IN/OUT 2 SW 2 3 (Mute) BA7623F 75Ω OUT1 dirver 75Ω IN1 2 7 OUT2 dirver 75Ω...
  • Page 83 AVIC-505 - Pin Functions (UPD63702AGF) Pin No. Pin Name Function and Operation D.VDD Supplies current of positive voltage to the logic circuits System reset input pin Microcomputer interface AO="L": stb active and set to address register AO="H": stb active and set to parameter...
  • Page 84 AVIC-505 Pin No. Pin Name Function and Operation 50,51 C1D1, C1D2 Output pin for indicating the C1 error correction results 52-54 C2D1-C2D3 Output pin for indicating the C2 error correction results D.VDD Supplies current of positive voltage to the logic circuit SFSY Outputs 1 word of the subcode.
  • Page 85 AVIC-505 - Pin Functions (BA6797FM) Pin No. Pin Name Function and Operation OUT1-A Driver CH1 output OUT1-B Driver CH1 output PRE-OUT1 CH1 pre-amplifier output IN1(-) CH1 pre-amplifier inverted input IN1(+) CH1 pre-amplifier input REG-B External Tr base connection REG-OUT Fixed voltage output (External Tr collect connection)

  • Page 86: Diagnosis

    AVIC-505 7.2 DIAGNOSIS 7.2.1 DISASSEMBLY - Items to note concerning assembly 1. Do not re-use spacers, insulators, seals or cushions that have been held in place by double-sided tape. 2. The diagonal line on the claws in the diagram indicate solder. When assembling, solder these sections.
  • Page 87 AVIC-505 - Removing the Main Unit (CC Unit section) Shield 1. Remove the Shield. 2. Straighten the five claws and remove the Main Unit. Main Unit Rail - Removing the PS PCB (CC Unit section) 1. Remove the two screws A.

  • Page 88: Test Mode

    AVIC-505 7.2.2 TEST MODE - Error Number Indication If the CD should fail to operate or if an error has taken place during operation the player will enter into the error mode, and the cause of the error will be numerically indicated.
  • Page 89 AVIC-505 (2) Relations of keys between TEST and NEW TEST Modes Keys Test Mode New Test Mode Regulator OFF Regulator ON PLAY in progress Error Occurred, Protection Activated  Regulator ON Regulator OFF Time of occurrence / cause of error select →...

  • Page 90: Test Mode (Main Unit)

    AVIC-505 7.2.3 TEST MODE (MAIN UNIT) - How to enter test mode 1) Immediately after pressing the ON/OFF button on the remote control, simultaneously press the NAVI and OK keys. 2) Release the keys once the password entry screen appears.
  • Page 91 AVIC-505 8. Switch disp. mode [Error message] · If an error occurs, the screen will change to display this to the user · When error information is selected, it is possible to determine the point at which the error occurred.

  • Page 92: How To Use The Test Disc

    AVIC-505 7.2.4 HOW TO USE THE TEST DISC - Setting up Display the self test menu and check any selected item by performing set-up while pressing any key other than OK. If no keys are pressed, checks will begin from a “Picture”.
  • Page 93 AVIC-505 3. Ramp Pattern The ramp pattern is displayed and a sampling frequency of 11KHz, monoral 400Hz sound is generated for thirty seconds. 4. Wide Screen Checks wide screen and a sampling frequency of 11KHz of music is generated. 5. External Connections Checks external connections.
  • Page 94 AVIC-505 9. RGB Checks RGB bridge. RGB is displayed in the following pattern: R0(H), R1(L), R2(H), R3(L), R4(H), R5(L) R0(L), R1(H), R2(L), R3(H), R4(L), R5(H) (A total of six screens) Use the → and ← keys to switch between them.

  • Page 95: Explanation

    AVIC-505 7.3 EXPLANATION 7.3.1 CIRCUIT DESCRIPTIONS - Average speed/increased speed switch-over RF EQ circuit REFO Q104 In previous CD mechanism module circuits, the basic SCONT average speed/increased speed RF EQ circuit was used, Q103 Increased H:Increased speed speed:GND but in the CXK5052 by changing over to an RF EQ...

  • Page 96: Block Diagram

    AVIC-505 7.3.2 BLOCK DIAGRAM...
  • Page 97 AVIC-505...

  • Page 98: Operations And Specifications

    AVIC-505 8. OPERATIONS AND SPECIFICATIONS 8.1 OPERATIONS - Connection Diagram Connecting the system Mobile Navigation Unit AVIC-505 Power cord IS PL Color Display AVD-505 RGB cable (supplied) Microphone GPS antenna...
  • Page 99 AVIC-505 Connecting the power cord (1) Mobile Navigation Unit AVIC-505 Power cord GROUND Black To vehicle (metal) body. To keep electromagnetic noise from the vehicle body out of the mobile navigation system, attach this lead near the main unit. Note: When replacing the fuse, be...
  • Page 100 AVIC-505...
  • Page 101 AVIC-505...
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