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28

GEX-P900DAB

Unit Number : CWM5731
Unit Name

: Main Unit

MISCELLANEOUS

IC

101

IC

MN6577H

IC

102

IC

SAA3500

IC

103

(M5M51008BFP85VLL)

GGC1312

IC

104

(M5M51008BFP85VLL)

GGC1312

IC

151

IC

SAA2502H

IC

152

IC

AK4321VFP

IC

153

IC

TC74HC126AF

IC

181

IC

TC74HCT541AF

IC

182

IC

TC7W00FU

IC

183

IC

TC74LVX244FT

IC

184

IC

TC7S00F

IC

185

IC

TC7W74FU

IC

221

IC

TC74HC74AF

IC

222

IC

TC7WU04F

IC

223

IC

TC74HC00AF

IC

224

IC

TC7WU04F

IC

225

IC

SM5844AF

IC

226

IC

TC9271F

IC

227

IC

NJM3404AM

IC

261

IC

HA12187FP

IC

262

IC

TC4S11F

IC

263

IC

BA3131FS

IC

264

IC

TA2050F

IC

351

IC

NJM1496M

IC

352

IC

UPC277G2

IC

391

IC

NJM2904M

IC

401

IC

U2730B-BFS

IC

451

IC

U2733B-CFS

IC

531

IC

U2759B-AFL

IC

551

IC

U2750B-BFS

IC

601

IC

PD5440A

IC

801

IC

TA78L05F

IC

802

IC

PQ30RV1

IC

803

IC

PQ3RF23

IC

804

IC

NJM7805FA

IC

805

IC

M5278L05

IC

831

IC

PAJ002A

Q

221

Transistor

2SC2712

Q

222

Transistor

2SC1621

Q

262

Transistor

IMD3A

Q

263

Transistor

DTC114YK

Q

264

Transistor

2SD1859

Q

265

Transistor

IMH3A

Q

351

Transistor

2SC2712

Q

352

Transistor

2SC2712

Q

353

Transistor

2SC2712

Q

354

Transistor

DTC124EU

Q

401

Transistor

IMX2

Q

402

BFP420

Q

403

Transistor

2SC4116

Q

404

Transistor

IMT2A

Q

405

Transistor

DTA143XU

Q

451

Transistor

2SC2712

Q

452

Transistor

IMH6A

Q

471

Transistor

3SK223

Q

501

Transistor

3SK223

Q

531

Transistor

2SC2712

Q

532

Transistor

2SA1162

Q

533

Transistor

2SC2712

Q

534

Transistor

2SC2712

Q

535

Transistor

2SC2712

Q

551

Transistor

2SC2712

Q

552

Transistor

IMT2A

Q

553

Transistor

2SK1067

Q

554

Transistor

2SC4099

Q

581

Transistor

IMT2A

Q

582

Transistor

IMX2

Q

583

Transistor

2SC2712

Q

584

Transistor

2SA1162

Q

701

Transistor

2SC2712

Q

702

Transistor

2SC2712

Q

703

Transistor

2SC2712

Q

704

Transistor

2SC2712

Q

721

Transistor

DTA143XU

Q

722

Transistor

2SB1238

Q

723

Transistor

DTC124EU

Q

724

Transistor

2SB1238

Q

725

Transistor

DTC124EU

Q

801

Transistor

2SA1766

Q

802

Transistor

DTC114EK

Q

803

Transistor

2SB945

Q

804

Transistor

DTC143EK

Q

805

Transistor

2SB1238

Q

806

Transistor

UN2214

Q

807

Transistor

IMD3A

Q

808

Transistor

2SC3651

Q

809

Transistor

2SC3295

Q

831

Transistor

2SB1238

D

221

Diode

MA3056(H)

D

222

Diode

MA3056(H)

D

224

Diode

MA3056(H)

D

391

Diode

MA8051(L)

D

401

Diode

1SV128A

D

402

Diode

1SV128A

D

403

Diode

BBY52-03W

D

471

Diode

1SV128A

D

472

Diode

1SV128A

D

473

Diode

KV1841E

D

474

Diode

KV1841E

D

475

Diode

KV1841E

D

476

Diode

KV1841E

D

477

Diode

KV1841E

D

478

Diode

KV1841E

D

489

Diode

1SV128A

D

501

Diode

KV1841E

5. ELECTRICAL PARTS LIST

NOTE:

-

Parts whose parts numbers are omitted are subject to being not supplied.

-

The part numbers shown below indicate chip components.

Chip Resistor

RS1/

_

S

___

J,RS1/

__

S

___

J

Chip Capacitor (except for CQS.....)

CKS....., CCS....., CSZS.....

=====Circuit Symbol and No.===Part Name

Part No.

---

------

------------------------------------------

-------------------------

=====Circuit Symbol and No.===Part Name

Part No.

---

------

------------------------------------------

-------------------------

A

Summary of Contents for CRT2193

Page 1: ...10 00 Wheelock Place Singapore 238880 C PIONEER ELECTRONIC CORPORATION 1998 K FES JULY 1998 Printed in Japan ORDER NO CRT2193 HIDE AWAY DAB TUNER GEX P900DAB EW CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 2 3 SCHEMATIC DIAGRAM 6 4 PCB CONNECTION DIAGRAM 24 5 ELECTRICAL PARTS LIST 28 6 ADJUSTMENT 35 7 GENERAL INFORMATION 37 7 1 IC 37 7 2 TEST MODE 52 7 3 EXPLANATION 54 7 3 1 CIR...

Page 2: ...d safely repair complex products such as those covered by this manual Improperly performed repairs can adversely affect the safety and reliability of the product and may void the warranty If you are not qualified to perform the repair of this product properly and safely you should not risk trying to do so and refer the repair to a qualified service technician 2 EXPLODED VIEWS AND PARTS LIST 2 1 PA...

Page 3: ...e Bag CEG1190 11 Carton CHG3514 12 Contain Box CHL3514 13 Protector CHP2057 14 Protector CHP2058 15 Spacer CHW1713 16 Angle CNB2351 17 Antenna Assy CXB2841 18 Clamper CNV1343 Mark No Description Part No Mark No Description Part No NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjacent to mark on the product are used for disassembly PACKIN...

Page 4: ...4 GEX P900DAB 2 2 EXTERIOR ...

Page 5: ...Shield CNC7516 16 Transistor Q803 2SB945 17 IC IC804 NJM7805FA 18 Insulator CNM5804 19 Terminal CN802 CKF1059 20 Main Unit CWM5731 21 Screw BMZ26P060FMC 22 Nut CBN1026 23 Plug CN801 CKS 460 24 Connector CN222 CKS2104 25 Connector CN221 CKS2600 26 Connector CN262 CKS3409 27 Connector CN261 CKS3414 28 Shield CNC7512 29 Holder CNC7518 30 Antenna Jack CN401 CKX1059 31 Holder CNC7519 32 Holder CNC7517 ...

Page 6: ... UNIT 1 3 Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST SYSTEM CONTROL RF SECTION A 2 3 DIGITAL SECTION A 3 3 A1 3 A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page A a ...

Page 7: ...7 GEX P900DAB 5 6 7 8 A B C D 5 6 7 8 SELECTOR ISOLATOR MUTE POWER SUPPLY ASENSE BSENSE POWER SUPPLY CEK1033 1 4mH A1 3 A b ...

Page 8: ...8 GEX P900DAB DIGITAL SECTION A 3 3 A 1 2 3 4 B C D 1 2 3 4 A a A b A a 1 3 ...

Page 9: ...9 GEX P900DAB SYSTEM CONTROL RF SECTION A 2 3 5 6 7 8 A B C D 5 6 7 8 A a A b A a 1 3 ...

Page 10: ...10 GEX P900DAB SELECTOR ISOLATOR MUTE POWER SUPPLY ASENSE BSENSE A 1 2 3 4 B C D 1 2 3 4 A a A b A b 1 3 ...

Page 11: ...11 GEX P900DAB POWER SUPPLY ASENSE BSENSE POWER SUPPLY CEK1033 1 4mH 5 6 7 8 A B C D 5 6 7 8 A a A b A b 1 3 ...

Page 12: ...B BAND3 RF AMP L BAND RF AMP ANT DUMP POWER SUPPLY PL L BAND DOWN CONVERTOR A 1 2 3 4 B C D 1 2 3 4 A2 3 3 2 MAIN UNIT 2 3 A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page A a ...

Page 13: ...13 GEX P900DAB 5 6 7 8 A B C D 5 6 7 8 2nd MIXER 1st MIXER L SL SAW FILTER NULL DETECTOR DIGITAL SECTION A3 3 A1 3 A2 3 A b ...

Page 14: ...14 GEX P900DAB BAND3 RF AMP L BAND RF AMP ANT DUMP POWER SUPPLY PLL A 1 2 3 4 B C D 1 2 3 4 A a A b A a 2 3 ...

Page 15: ...15 GEX P900DAB L BAND DOWN CONVERTOR 5 6 7 8 A B C D 5 6 7 8 A a A b A a 2 3 ...

Page 16: ...16 GEX P900DAB 2nd MIXER 1st MIXER PLL SL SAW FILTER NULL DETECTOR A 1 2 3 4 B C D 1 2 3 4 A a A b A b 2 3 ...

Page 17: ...17 GEX P900DAB DIGITAL SECTION A 3 3 A 1 3 5 6 7 8 A B C D 5 6 7 8 A a A b A b 2 3 ...

Page 18: ...3 4 DAB DECODER VCXO 5V to 3 3V LEVEL TRANSITION CLOCK CONTROL 3 3V to 5V LEVEL TRANSITION CLOCK CONTROL RF SECTION A 2 3 A3 3 3 3 MAIN UNIT 3 3 A a A b A a A a A b A b A b A b A a A a Large size SCH diagram Guide page Detailed page A a ...

Page 19: ...19 GEX P900DAB 5 6 7 8 A B C D 5 6 7 8 SELECTOR 48 44 1kHz CONVERSION DIGITAL INTERFACE TRANSMITER SELECTOR DAC OPT IN OUT A1 3 A3 3 A b ...

Page 20: ...20 GEX P900DAB DAB DECODER RF SECTION A 2 3 A 1 2 3 4 B C D 1 2 3 4 A a A b A a 3 3 ...

Page 21: ...21 GEX P900DAB VCXO 5V to 3 3V LEVEL TRANSITION CLOCK CONTROL 3 3V to 5V LEVEL TRANSITION CLOCK CONTROL A 5 6 7 8 A B C D 5 6 7 A a A b A a 3 3 8 ...

Page 22: ...22 GEX P900DAB SELECTOR 48 44 1kHz CONVERSION DIGITAL INTERFACE TRANSMITER A 1 2 3 4 B C D 1 2 3 4 A a A b A b 3 3 ...

Page 23: ...23 GEX P900DAB SELECTOR DAC OPT IN OUT A 1 3 5 6 7 8 A B C D 5 6 7 8 A a A b A b 3 3 ...

Page 24: ...A MAIN UNIT 24 GEX P900DAB A 1 2 3 4 B C D 1 2 3 4 4 PCB CONNECTION DIAGRAM 4 1 MAIN UNIT A ...

Page 25: ...MS 1 The parts mounted on this PCB include all necessary parts for several destination For further information for respective destinations be sure to check with the schematic diagram 2 Viewpoint of PCB diagrams Capacitor Connector P C Board Chip Part SIDE A SIDE B A ...

Page 26: ...26 GEX P900DAB A 1 2 3 4 B C D 1 2 3 4 A MAIN UNIT A ...

Page 27: ...27 GEX P900DAB 5 6 7 8 A B C D 5 6 7 8 SIDE B A ...

Page 28: ...3SK223 Q 531 Transistor 2SC2712 Q 532 Transistor 2SA1162 Q 533 Transistor 2SC2712 Q 534 Transistor 2SC2712 Q 535 Transistor 2SC2712 Q 551 Transistor 2SC2712 Q 552 Transistor IMT2A Q 553 Transistor 2SK1067 Q 554 Transistor 2SC4099 Q 581 Transistor IMT2A Q 582 Transistor IMX2 Q 583 Transistor 2SC2712 Q 584 Transistor 2SA1162 Q 701 Transistor 2SC2712 Q 702 Transistor 2SC2712 Q 703 Transistor 2SC2712 ...

Page 29: ...Inductor CTF1295 L 701 Inductor CTF1295 L 801 Choke Coil 1 4mH CTH1129 TH 407 Thermistor TN20 3E681K CF 531 Filter CTF1447 CF 551 SAW Filter CTF1450 X 181 Resonator 24 576MHz CWX2266 X 221 Crystal Resonator 11 2896MHz CSS1088 X 601 Resonator 10 00MHz CSS1428 X 701 Resonator 18 432MHz CSS1440 VR 391 Semi fixed 10kΩ B CCP1181 F 401 Filter CTF1452 F 351 Filter CTF1456 EF 351 CCG1086 EF 801 CCG1051 EF...

Page 30: ...R 354 RS1 16S472J R 355 RS1 16S101J R 357 RS1 16S222J R 358 RS1 16S222J R 359 RS1 16S101J R 360 RS1 16S0R0J R 361 RS1 16S223J R 362 RS1 16S222J R 363 RS1 16S222J R 364 RS1 16S183J R 365 RS1 16S682J R 366 RS1 16S102J R 367 RS1 16S103J R 368 RS1 16S104J R 369 RS1 16S223J R 370 RS1 16S183J R 371 RS1 16S473J R 372 RS1 16S123J R 373 RS1 16S104J R 374 RS1 16S103J R 375 RS1 16S223J R 376 RS1 16S223J R 37...

Page 31: ... R 567 RS1 16S471J R 568 RS1 16S270J R 569 RS1 16S102J R 570 RS1 16S102J R 581 RS1 16S272J R 583 RS1 16S681J R 585 RS1 16S152J R 586 RS1 16S151J R 587 RS1 16S682J R 588 RS1 16S471J R 589 RS1 16S103J R 590 RS1 16S473J R 601 RS1 16S470J R 602 RS1 16S470J R 603 RS1 16S470J R 604 RS1 16S473J R 606 RS1 10S473J R 607 RS1 16S102J R 608 RS1 10S472J R 609 RS1 16S102J R 610 RS1 16S102J R 611 RS1 10S473J R 6...

Page 32: ...C 190 CCSQCH150J50 C 191 CCSQCH150J50 C 192 CCSQCH150J50 C 221 CCSRCH150J50 C 222 CCSRCH150J50 C 223 CKSRYB104K16 C 224 CKSRYB104K16 C 225 CKSRYB104K16 C 226 CKSRYB104K16 C 227 CKSRYB103K25 C 228 CCSRCH150J50 C 229 CKSRYB222K50 C 230 CKSRYB102K50 C 231 CKSRYB102K50 C 232 CKSRYB222K50 C 233 CKSQYB104K16 C 234 CKSQYB104K16 C 235 CKSQYB104K16 C 261 CCSRCH221J50 C 262 CCSRCH221J50 C 263 CKSRYB103K25 C...

Page 33: ... 495 CKSRYB102K50 C 496 CKSRYB102K50 C 497 CCSRCH121J50 C 498 CCSRCH820J50 C 499 CCSRCH820J50 C 501 CKSRYB102K50 C 502 CKSRYB102K50 C 503 CCSRCH4R0C50 C 504 CKSRYB102K50 C 506 CCSRCH101J50 C 507 CCSRCH101J50 C 508 CKSRYB102K50 C 509 CKSRYB104K16 C 510 CCSRCH101J50 C 512 CCSRCK1R0C50 C 514 CCSRCH820J50 C 515 CCSRCH101J50 C 516 CKSRYB102K50 C 517 CCSRCK1R0C50 C 518 CCSRCK1R0C50 C 519 CCSRCH820J50 C ...

Page 34: ...04K16 C 802 CEAS220M16 C 803 CKSRYB104K16 C 804 CEAS220M16 C 805 CEAS220M16 C 806 CKSQYB104K25 C 807 CKSRYB104K16 C 808 CEAS220M10 C 809 CKSRYB104K16 C 810 CEAS220M10 C 811 CEAS220M16 C 812 CKSQYB104K25 C 813 CKSRYB104K16 C 814 CEJA100M16 C 815 CKSRYB104K16 C 816 CEAS220M16 C 817 CKSQYB103K25 C 818 CEZA471M16 C 831 CKSRYB104K16 C 832 CSZST220M16 C 833 CKSRYB103K25 C 834 CKSRYB103K25 C 835 CKSRYB10...

Page 35: ... P900DAB with an IPBUS cable 2 Set the power to ON and enter DAB Service mode 3 Set frequency to 13 F 4 Check R556 on the side where P1 is located the side not in contact with D551 with DMM 1 so that VT tuning voltage can be measured Adjust air core coil L553 so that VT is 7 00 V 5 Set frequency to 5 A and confirm that VT is within the range from 1 2 to 1 7 V L473 Pin 7 DMM 2 L503 L475 L477 L505 L...

Page 36: ...djust the air core coil L505 behind FET as well as the air core coil L507 behind L505 Repeat these adjustment steps several times to set SLEVEL voltage to maximum Confirmation of Operation Equipment required Head unit RF SG Capable of outputting DAB signals up to 1 5 GHz IQ modulation function is required DAB encoder e g KENWOOD DAB 3801 1 Confirming Operation 1 Confirming BAND 3 Set the encoder t...

Page 37: ...trailing edge of the clock Outputs digital codes at the leading edge of the 2 5th clock 23 N0E I Digital output enable H Digital output D0 D9 OVF UNDF high impedance L Digital output D0 D9 OVF UNDF 24 POWD I H Power down mode L Normal operation mode In power down mode the UNDF terminal changes to H and other digital outputs set to L 25 26 AVDD I Analog power supply 27 AVSS I Analog GND 28 NC Not u...

Page 38: ...tection 23 fso O Frame sync output low indicates DAB null symbol position 24 AGC LOCK Not used 25 AGCW Not used 26 GND4 Digital ground 27 OCLK O Output data clock negative edge indicates new data 28 VDD2 Voltage supply 3V 29 OIQ O Output I or Q select signal or frame trigger if OIQ high 30 ocir I Output select baseband if OIQ 1 CIR if OIQ 0 31 oen I OUT enable if low 32 39 OUT 0 7 O Baseband or ch...

Page 39: ...ntinuous or SFCO clock burst 58 rde I RDI output enable if low 59 RDO O Receiver data interface biphase output 60 GND6 Digital ground 61 wr O Write data to RAM 62 68 A 17 11 O Address outputs external RAM 69 RD O Read data from RAM 70 CS O Chip select 71 78 D 7 0 I O Data I O external RAM 79 VDD4 Voltage supply 3V 80 GND7 Digital ground 81 91 A 10 0 O Address outputs external RAM 92 TCO I Connect ...

Page 40: ...IGITAL TO ANALOG CONVERTER PHASE COMP DIVIDER SPDIF ENCODER 1 2 3 4 5 6 7 8 9 10 11 33 32 31 30 29 28 27 26 25 24 23 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 INPUT INTERFACE DEQUANTIZATION AND SCALING DECODING CONTROL DEMULTI PLEXER SYNTHESIS SUB BAND FILTER CLOCK GENERATOR FSCLK SCK SD WS TRST SPDIF CCLK CDATA CMODE INT RESET PHDIF TCK FSCLKIN X22IN X22OUT GND2 MCLK24 VDD...

Page 41: ...age 1 19 CDSY I Coded data byte or frame sync input 20 CDVAL I Coded data valid flag input 21 TMS I Boundary scan test mode select input 22 REFCLK I PLL reference clock input 23 PHDIF O PLL phase comparator output 24 TCK I Boundary scan test clock input 25 FSCLKIN I Sample rate clock input 26 X22IN I 22 579 MHz clock oscillator input or signal input 27 X22OUT O 22 579 MHz clock oscillator output 2...

Page 42: ...42 GEX P900DAB AK4321VFP TC74HC126AF TC74HCT541AF ...

Page 43: ...900DAB TC74HC74AF TC7W00FU VCC 1Y 2B 2A 8 7 6 5 1A 1B 2Y GND 1 2 3 4 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 1G 1A1 2Y4 2Y2 2Y1 GND 2A1 1Y4 2A2 1Y3 2A3 1Y2 2A4 1Y1 2G Vcc 1A4 1A2 2Y3 1A3 TC74LVX244FT ...

Page 44: ... INTERFACE MODE SWITCH CLOCK SELECT TIMING CONTROLLER INPUT SIDE DIVISION 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 11 10 9 8 7 6 5 4 3 2 23 24 25 26 27 28 29 30 31 32 33 1 FORMAT CONTROLLER DIRECT MUTE OUTPUT SIDE DIVISION OPERATIONAL CIRCUIT DE EMPHASIS OPERATIONAL ATT FILTER OPERATIONAL OUTPUT OPERATIONAL MCOM DMUTE1 DMUTE2 VDD1 VDD2 MODE MDT FSI1 MCK FSI2 MLEN DEEM1 MLE...

Page 45: ...ATOR SERIAL INTERFACE BIFAZEMARK MODULATOR CATEGORY CODE REGISTER 1 2 3 4 5 6 7 8 9 10 11 12 28 27 26 25 24 23 22 21 20 19 18 17 13 14 16 15 45 GEX P900DAB UPC277G2 1 3 2 OUT 1 Ii 1 IN 1 GND IN 2 Ii 2 OUT 2 V 4 5 6 7 8 TC9271F NJM1496M 1 2 3 4 5 6 7 14 13 12 11 10 9 8 SIGNAL INPUT GAIN ADJ GAIN ADJ NC CARRIER INPUT NC CARRIER INPUT NC OUTPUT NC V SIGNAL INPUT BIAS OUTPUT ...

Page 46: ...er input inverted 17 TH Threshold voltage of comperator 18 AGC I O Charge pump output of comperator AGC input for amplifier and mixer 19 IF O Intermediate frequency output 20 VCC3 Voltage supply 21 24 GND Ground 25 NRF I RF input inverted 26 RF I RF input 27 S I Control input 28 VCC4 Voltage supply U2730B BFS NC C VCC1 VCC2 TMD TRD CD TH AGC PD PLCK REF NREF IF VCC3 GND GND GND GND NRF RF S VCC4 G...

Page 47: ...12 SWD O Switching output open collector 13 SWE O Switching output open collector 14 SWF O Switching output open collector 15 SWG O Switching output open collector 16 SWH O Switching output open collector 17 NRF I RF input inverted 18 RF I RF input 19 GND Ground 20 VS Supply voltage U2733B CFS SWITCHES 7 BIT LATCH MUX MUX FREQUENCY DOUBLER x2 REFERENCE COUNTER FRACTIONAL N CONTROL PROG 13 BIT COUN...

Page 48: ... 7 NC Not used 8 IF2OUT O IF2 output 9 11 NC Not used 12 13 LO Local oscillator 14 15 NC Not used 16 THRIF I AGC threshold for IF amplifier 17 DC DC level 18 VREF Reference voltage 19 BG Bandgap 20 VS Supply voltage 21 22 NC Not used 23 GND Ground 24 IF1IN I IF1 input U2759B AFL 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 BANDGAP IF1IN THRPRE NC NC NC NC NC LO LO NC NC THRIF DC ...

Page 49: ...GC mode selection 15 SLI AGC mode selection 16 17 SWI1 2 I Differential input of SAW driver 18 19 MXO1 2 O Differential mixer output 20 VS Supply voltage 21 GND GND 22 23 MBI2 1 I Differential input of mixer B 24 25 MAI2 1 I Differential input of mixer A 26 GND GND 27 28 LO2 1 O Differential output of LO for PLL U2750B BFS CP TH BDSW B2VC C2VC GND VS SWO1 SWI2 MXO1 SWO2 NWAGC SL1 SWI1 MXO2 VS GND ...

Page 50: ...ut 30 IPOUT O IP BUS output KEYDISP output 31 L3OUT O L3BUS data output 32 L3IN I L3BUS data input 33 L3CLK O L3BUS clock output 34 L3MODE O L3BUS mode output 35 TxD O 36 AICDT I AIC data input 37 AICCLK I AIC clock input 38 AICWIN I AIC window input 39 int I SAA2502 INTERRUPT 40 icreset O IC reset output SAA3500 41 OPTEN O Optical output enable 42 MPEGRES O IC reset output SAA2502 43 DABPW O DAB ...

Page 51: ...e 81 88 MOUT 7 0 Not used 89 NC Not used 90 NULLSEL O NULL detect circuit select 91 I2 C_DT O I2 C data 92 I2 C_CK O I2 C clock 93 94 NC Not used 95 ANTSENS I Antenna terminal short detect 96 AVSS A D power supply 97 SL I Signal level input 98 VREF A D reference voltage input 99 AVCC A D power supply 100 AGCW I AGC window input PQ30RV1 VIN VO GND VADJ 1 2 3 4 THERMAL PROTECTOR PROTECTOR REFERENCE ...

Page 52: ...CH 1 key is pressed SAA 3500 communications checking display After 2 seconds or when the CH 1 key is pressed MPEG IC communications checking display After 2 seconds or when the CH 1 key is pressed Test display Press the CH 1 key Returns to the normal display CH 2 Switches services Same as the Service UP key CH 3 ARC ON OFF Switches between ON and OFF of ARC Other keys are invalid Display in Test m...

Page 53: ...h column 0 Not identified 1 4 Transmission mode DAB transmission mode AFC detection 6th column 0 AFC is not synchronized 1 AFC is synchronized MPEG signal synchronous 7th column 0 MPEG decoder is not synchronized 1 MPEG decoder is synchronized MPEG signal error 8th column 0 Normal 1 Error in MPEG data ...

Page 54: ...ted attention along with development of FFT technology In DAB the system encodes and transmits signal 1 Encoding is error correction using convolutional code Compared with codes used in CDs block code convolution al code is more effective to handle random errors Generally it is called Viterbi decoding 2 DAB signal requires wide band 1 54 MHz and is given priority to be allocated to 12 channels of ...

Page 55: ...corrects such part with error correction 1 Frequency interleave 2 Time interleave Portion containing error caused by multipath etc digital data 384ms Changes burst error to random error by the time axis Corrects error by Viterbi decoding Received signal 1 54 MHz Reallocation of frequency after FFT Distorted portion by multipath etc Disperses distorted carriers by frequency interleave to change the...

Page 56: ...oints 1 ms Number of samples required for FFT 512 points 250 µs Guard interval The time of guard interval depends on modes Different time of guide interval is used for transmitting frequency receiving speed vehicle speed etc S1 S2 S1 S2 Actual DAB signal Interference between different symbols effect of delay Time required for FFT 1 ms Guard interval 250 µs Received DAB signal S1 S2 Time required f...

Page 57: ...fferent from FM all transmitting antennas use the same frequency in SFN Thus completely muteless status can be achieved in NF 2 SFN receives frequency from several antennas simultaneously Thus network gain may be obtained by several dBs Viewing from the receiver both SFN and mutipath behave in the same manner antenna 1 102 2MHz antenna 2 89 6MHz antenna 3 106 8MHz antenna 1 225MHz antenna 3 225MHz...

Page 58: ...n be transmitted 3 We are planning to transmit navigation related data such as DGPS and TMC in the future The DAB signal itself has a simple system to detect its own position TII Transmitter Identification Information implying a possibility of sim plified navigation Actual selection of service using a DAB receiver will be as the illustration shown below a large display is required Currently use of...

Page 59: ...59 GEX P900DAB 7 3 2 BLOCK DIAGRAM A ...

Page 60: ...nna Unit 2 Antenna Input 4 Power Supply 6 IP BUS Input Blue 7 Not used Optical Output Black 8 Not used Optical Input Blue 9 IP BUS cable 10 To IP BUS Input Blue 11 Multi CD player sold separately 14 Orange To terminal always supplied with power regardless of ignition switch position 15 Black ground To vehicle metal body 13 Fuse holder ...

Page 61: ...e in the same way with the Steering Remote Controller supplied with the Head Unit For details refer to the Head Unit s Operation Manual Buttons 1 6 button button BAND button FUNCTION button TUNER DAB button PGM button DISPLAY button button PTY button button PTY button button TA button button SOURCE OFF button DISPLAY button ...

Page 62: ... switch the sources OFF hold down the SOURCE OFF button for 1 sec ond or more Remote Controller Press the TUNER DAB button and select DAB as follows Tuner DAB Digital Audio Broadcasting OFF DAB READY Basic Operation Basic Operation of DAB 1 Select DAB When you first switch to DAB Auto Seek is performed to find the highest Ensemble frequency Auto Seek is also performed in the same way each time you...

Page 63: ...nt is found Sound of that Service Component is output When a Service Component is not found Priority is given to the first Service After it is selected sound of that Service s Primary Service Component is output Hold for 0 5 seconds Hold for 0 5 seconds Basic Operation Specifications General Power source 14 4 V DC 10 8 15 1 V allowable Grounding system Negative type Max current consumption 0 6 A D...

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