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Pioneer P4000 - CDS CD Player, Service Manual

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Pioneer P4000 - CDS CD Player Service Manual Download Page 37

37

CDS-P4000

(4) Display of Operational Status during Setup

Status No. Contents

Protective action

21

Focus search start

Focus search timeout.

22

Focus search 2

Focus search timeout.

23

Focus search 3

Focus search timeout.

24

Focus search 4

Focus search timeout.

25

Focus search(Setup protection)

Focus slips off.

26

Focus search(Fast recovery)

Focus slips off.

27

RF detection

Focus slips off.

28

Spindle rough servocontrol

Focus slips off.

29

Tracking balance adjustment start

Focus slips off.

30

Tracking balance adjustment 2

Focus slips off.

31

Tracking balance adjustment 3

Focus slips off.

32

Tracking close start(Spindle stationary servocontrol setting)

Focus slips off.

33

Tracking close 2

Focus slips off.

34

Tracking close 3

Focus slips off.

35

Focus/Tracking AGC start

Focus slips off.

36

Focus/Tracking AGC 2

Focus slips off.

37

Focus/Tracking AGC 3

Focus slips off.

38

Focus/Tracking AGC 4

Focus slips off.

39

Focus/Tracking AGC 5

Focus slips off.

40

Focus/Tracking AGC 6

Focus slips off.

41

Focus/Tracking AGC 7

Focus slips off.

42

Focus/Tracking AGC 8

Focus slips off.

43

FE bias start

Focus slips off.

44

FE bias 2

Focus slips off.

45

RF AGC start

Focus slips off.

46

RF AGC 2

Focus slips off.

47

Lock check start

Focus slips off.

48

Lock is being checked

Focus slips off.

49

Subcode check start

Focus slips off, spindle lock is not performed.

50

Subcode is being checked

Focus slips off, no subcode can be read.

Summary of Contents for P4000 - CDS CD Player

Page 1: ...ervice Manual This service manual should be used together with the following manual s Model No Order No Mech Module Remarks CX 977 CRT2624 S9 CD Mech Module Circuit Description Mech Description Disassembly CONTENTS 1 SAFETY INFORMATION 2 2 EXPLODED VIEWS AND PARTS LIST 3 3 BLOCK DIAGRAM AND SCHEMATIC DIAGRAM 8 4 PCB CONNECTION DIAGRAM 20 5 ELECTRICAL PARTS LIST 28 6 ADJUSTMENT 31 7 GENERAL INFORMA...

Page 2: ...e 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 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 y...

Page 3: ...ne Bag CEG 158 12 Handle CNC5395 13 Strap CNC5402 14 Bush CNV1009 15 Polyethylene Bag CEG1173 16 Carton CHG4322 17 Contain Box CHL4322 18 Protector CHP1734 19 Protector CHP1735 20 Owner s Manual English CRB1631 21 Installation Manual English CRB1632 22 Caution Card CRP1247 Mark No Description Part No Mark No Description Part No PACKING SECTION PARTS LIST NOTE Parts marked by are generally unavaila...

Page 4: ...4 CDS P4000 2 3 EXTERIOR A B ...

Page 5: ...nector CN104 CKS3408 18 Plug CN107 CKS3537 19 Connector CN105 CKS3835 20 Holder CNC9139 21 Screw BPZ20P080FMC 22 Button DISPLAY CAC6886 23 Button EJECT CAC6887 24 Cover CNM7063 25 Holder CNV6565 26 Lighting Conductor CNV6566 27 Keyboard Unit CWM7489 28 LCD LCD901 CAW1638 29 Socket CN901 CKS3550 30 Holder CNC9137 31 Sheet CNM7064 32 Lighting Conductor CNV6567 33 Connector CNV6568 34 Grille Unit CXB...

Page 6: ...6 CDS P4000 2 4 CD MECHANISM MODULE D ...

Page 7: ...36 Arm CNC9016 37 Arm CNC9017 38 Bracket CNC9123 39 Frame CNC9263 40 Belt CNT1086 41 Gear CNV6315 42 Gear CNV6316 43 Gear CNV6317 44 Gear CNV6318 45 Gear CNV6319 46 Gear CNV6320 47 Arm CNV6322 48 Arm CNV6323 49 Arm CNV6324 50 Arm CNV6325 51 Arm CNV6326 52 Guide CNV6327 53 Arm CNV6328 54 Guide CNV6329 55 Rack CNV6330 56 Clamper CNV6331 57 Arm CNV6332 58 Guide CNV6333 59 Cover CNV6334 60 Arm CNV6335...

Page 8: ...AD TRACKING ACT LD MD FO TO 15 5 1 4 PICKUP UNIT SERVICE P9 HOLOGRAM UNIT IC 401 BA5996FM IC 201 TC9495F2 IC 701 BA05SFP 5V REGULATOR SERVO CONTROL DSP LPF DAC CD DRIVER VD VDD CN101 TOP FOP 16 SOP 15 SOM 17 LCOP 18 LCOM 22 1 LOEJ 78 85 L_OUT 79 9 MUTE 12 FOP TD FD AC BD F E SD MD 38 RFI 43 FEI 4 14 TOP S901 HOME 12EJ SENSE 8EJ SENSE LD 14 VDD 9 LDO 8 MDI IC 101 TA2153FN RFRPIN FEO TEO 24 16 14 46...

Page 9: ...3 LOUT IC103 HA12187FP IP BUS DRIVER 6 5 VDD 7 RX TX IPPW 4 6 7 IC603 S 80734AN RESET 1 11 VDD 2 Q103 Q502 33 MUTE 3 CN112 2 Q302 VDD Q201 Q202 VDCONT KD0 81 VCC 6 VCC 11 BACK UP ILL Q312 Q313 2 Q316 Q314 99 LCDPW Q317 Q307 Q308 EJECT RESET MUTE VD ILL B LCD B DIMER BL B A MAIN UNIT B KEYBOARD UNIT VCC Q303 VCC 42 BLGT 32 SYSPW CONT CD5VON HOME LOEJ DSCSNS 53 52 29 57 74 LEVELL BU 20 8 21 12 11 5 ...

Page 10: ... PAGE Note When ordering service parts be sure to refer to EXPLODED VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST 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 a 6 2 6 2 6 2 ASENSE A B C MAIN UNIT CONTROL UNIT KEYBOARD UNIT RES B ...

Page 11: ...factor of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors The power supply is shown with the marked box CEK1016 FUSE 3A FL SPEAKER INPUT FR SPEAKER INPUT 1K 1...

Page 12: ...12 CDS P4000 1 2 3 4 1 2 3 4 D C B A ASENSE A MAIN UNIT NTROL UNIT A a A a A b 1 2 ...

Page 13: ...13 CDS P4000 5 6 7 8 5 6 7 8 D C B A 1 6 5 2 1 6 5 2 1 6 5 2 B C CONTRO KEYBOARD UNIT RESET A a A a A b 3 4 5 B ...

Page 14: ...14 1 2 3 4 1 2 3 4 D C B A A a A b A b CDS P4000 BSENSE FL SPEAKER INPUT FR SPEAKER INPUT 1 2 ...

Page 15: ...of the part Therefore when replacing be sure to use parts of identical designation Symbol indicates a resistor No differentiation is made between chip resistors and discrete resistors NOTE Symbol indicates a capacitor No differentiation is made between chip capacitors and discrete capacitors The power supply is shown with the marked box CEK1016 FUSE 3A FL SPEAKER INPUT 1K 1 2W CSG1112 LCD BACK LIG...

Page 16: ...16 CDS P4000 1 2 3 4 1 2 3 4 D C B A 3 3 CD MECHANISM MODULE C M1 CXB6007 M2 CXB5903 LOADING CARRIAGE SPINDLE RF AMP S ACT MOTOR DRIVER 5V REGULATOR CN101 C CONTROL UNIT PICKUP UNIT SERVICE P9 ...

Page 17: ...16 934MHz SERVO CONTROL DSP DAC LPF ER CN701 SWITCHES CONTROL UNIT S901 HOME SWITCH ON OFF S902 CLAMP SWITCH ON OFF S903 DSCSNS SWITCH ON OFF S904 12EJ SWITCH ON OFF S905 8EJ SWITCH ON OFF The underlined indicates the switch position A CN105 ...

Page 18: ... Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Normal Ref VREF Mode Test Ref VREF Mode Normal Ref VREF Mode Normal 500ms div 0 CH1 TE 500mV div 8 CH2 FE 500mV div When setting up Source On 200ms div 1µs div CH1 LRCK 2V div CH2 DOUT 2V div During Play 10µs div 7 CH1 MD 500mV div During Play 10µ...

Page 19: ...CSNS 5V div 2 CH2 CLCONT 5V div 3 CH3 LOEJ 5V div When Eject 8cm CD 200ms div CH1 LOUT 2V div CH2 ROUT 2V div Play in 1kHz 0dB 200µs div CH1 TEY 500mV div CH2 SD 2V div During inside outside search 200ms div 1 CH1 DSCSNS 5V div 2 CH2 CLCONT 5V div 3 CH3 LOEJ 5V div When Eject 12 cm CD 200ms div CH1 RFO 2V div CH2 DFCT 5V div 5 CH3 FD 1V div CH4 TD 2V div When reproducing black dots 800µm 500µs div...

Page 20: ...IAGRAMS 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 dia gram 2 Viewpoint of PCB diagrams A A Capacitor Connector P C Board Chip Part SIDE A SIDE B MAIN UNIT CN701 C ...

Page 21: ...21 CDS P4000 5 6 7 8 5 6 7 8 D C B A A FRONT IP BUS IN SIDE A CORD ASSY CORD ASSY CN901 B ...

Page 22: ...22 CDS P4000 1 2 3 4 1 2 3 4 D C B A A A MAIN UNIT ...

Page 23: ...23 CDS P4000 5 6 7 8 5 6 7 8 D C B A A SIDE B ...

Page 24: ...24 CDS P4000 1 2 3 4 1 2 3 4 D C B A 4 2 KEYBOARD UNIT EJECT DISP DISP RESET B B SIDE A KEYBOARD UNIT ...

Page 25: ...25 CDS P4000 1 2 3 4 1 2 3 4 D C B A B SIDE B A CN107 B KEYBOARD UNIT ...

Page 26: ...26 CDS P4000 1 2 3 4 1 2 3 4 D C B A 4 3 CD MECHANISM MODULE CONTROL UNIT SIDE A C C VREF E F HOME 12EJ DSCSNS M2 LOADING CARRIAGE MOTOR M1 SPINDLE MOTOR PICKUP UNIT SERVICE P9 CN105 A ...

Page 27: ...27 CDS P4000 1 2 3 4 1 2 3 4 D C B A SIDE B CONTROL UNIT C C CLAMP 8EJ ...

Page 28: ...nductor LAU3R3J L 301 Choke Coil 1 4mH CTH1129 L 601 Inductor LAU100K X 601 Ceramic Resonator 12 582912MHz CSS1543 RESISTORS R 101 RS1 16S102J R 102 RS1 16S102J R 103 RD1 4PU181J R 104 RS1 16S181J R 105 RS1 16S223J R 106 RS1 16S223J R 107 RS1 16S102J R 108 RS1 16S102J R 109 RS1 16S473J R 110 RS1 16S473J R 111 RS1 16S103J R 112 RS1 16S103J R 113 RS1 16S473J R 114 RS1 16S473J R 115 RS1 16S103J R 116...

Page 29: ...0 CKSRYB473K16 C 711 CKSRYB473K16 Unit Number CWM7489 Unit Name Keyboard Unit MISCELLANEOUS IC 901 IC LC7582E Q 921 Transistor 2SC2412K D 911 LED CL170PGCD D 912 LED CL170PGCD D 921 LED NSSW440 9159 D 922 LED NSSW440 9159 D 923 LED NSSW440 9159 D 924 LED NSSW440 9159 S 911 Push Switch CSG1112 S 912 Push Switch CSG1112 S 913 Push Switch CSG1112 S 914 Switch CSG1110 LCD 901 LCD CAW1638 RESISTORS R 9...

Page 30: ...S C 101 CEV470M6R3 C 102 CKSRYB102K50 C 103 CKSRYB104K16 C 104 CKSRYB224K16 C 105 CEV470M6R3 C 106 CKSRYB104K16 C 107 CKSRYB105K6R3 C 201 CKSRYB104K16 C 202 CCSRCH560J50 C 204 CKSRYB224K16 C 205 CKSRYB224K16 C 206 CKSRYB273K25 C 207 CKSRYB273K25 C 208 CKSRYB104K16 C 209 CKSRYB104K16 C 210 CCSRCK2R0C50 C 211 CCSRCH220J50 C 301 CKSRYB153K25 C 302 CKSRYB104K16 C 303 CKSRYB103K50 C 304 CKSRYB103K50 C ...

Page 31: ...nit s software are rendered inoperative in test mode be very careful to avoid mechanical and or electrical shocks to the sys tem when making adjustment The RFI and RFO signals are easy to oscillate because of a wide band When observing them insert a resis tor of about 1 kΩ to the series This equipment will not guarantee the load ejection operation when the mechanical unit is turned upside down In ...

Page 32: ... 2 Automatic adjustment value display switching 3 TRK MIN SEC 1 T CLS and F T AGC and RF AGC and Applicable servomechanism TRKxxMINxxSECxx 6 T Close and Applicable servomechanism TRKxxMINxxSECxx 3 RF AGC RF AGC coefficient display TRK MIN SEC CRG TRK8x MIN8x SEC8x or TRK9xMIN9xSEC9x CRG TRK8xMIN8xSEC8x or TRK9xMIN9xSEC9x 2 T Balance adjustment T Balance coefficient display TRK MIN SEC 1 F T RF AGC...

Page 33: ... to the innermost track 3 Press key 3 to close focus the display should read 91 Press key 2 to implement the tracking balance adjust ment the display should now read 81 Press key 3 The display will change returning to 81 on the fourth press 4 As shown in the diagram above monitor the LPF outputs using the oscilloscope and check that the phase differ ence is within 75 Refer to the photographs suppl...

Page 34: ...34 CDS P4000 Grating waveform Ech Xch 20mV div AC Fch Ych 20mV div AC 45 0 75 60 30 90 ...

Page 35: ...ch or CRG move mechanism Communication error between microcomputer and SERVO LSI 11 Electricity Focus Servo NG Focusing not available Stains on rear side of disc or excessive vibrations on REWRITABLE 12 Electricity Spindle Lock NG Spindle not locked Sub code is strange not readable Subcode NG Failure on spindle stains or damages on disc or excessive vibrations A disc not containing CD R data is fo...

Page 36: ...e by turning on the reset start 2 Key Correspondence Key Test mode New test mode Regulator Off Regulator On In play Error Production BAND To regulator on To regulator off Time Err No switching FWD Kick FF TR REV Kick REV TR 1 Tracking Close Scan 2 Tracking Open Mode 3 Focus Close Focus Open Jump Off 6 To new test mode Jump mode switching Auto Manu Note Eject and CD on off is performed in the same ...

Page 37: ...se start Spindle stationary servocontrol setting Focus slips off 33 Tracking close 2 Focus slips off 34 Tracking close 3 Focus slips off 35 Focus Tracking AGC start Focus slips off 36 Focus Tracking AGC 2 Focus slips off 37 Focus Tracking AGC 3 Focus slips off 38 Focus Tracking AGC 4 Focus slips off 39 Focus Tracking AGC 5 Focus slips off 40 Focus Tracking AGC 6 Focus slips off 41 Focus Tracking A...

Page 38: ...mode 3 When a Protection Error Occurred A Error display A B C BAND key 8 digit display 6 digit display 4 digit display ERROR xx ERR xx E xx B Error occurrence timing display in track no B C Auto Manual key 8 digit display 6 digit display 4 digit display Auto setting TNO Min Sec TNO 10 40 05 10 C Error occurrence timing display in absolute time B C Auto Manual key 8 digit display 6 digit display 4 ...

Page 39: ...or of CD mechanism module is removed and the CD mechanism module is removed from the chassis unit Fig 2 Note Please do not throw the part shown in the oval of Fig 2 about grille assy when you remove the CD mechanism module from chassis unit Removing the Grille Assy Fig 1 Remove the two stoppers and then remove the Grille Assy Fig 1 7 1 2 DISASSEMBLY CD Mechanism Module Grille Assy Fig 2 Chassis Un...

Page 40: ...40 CDS P4000 Removing the Main Unit Fig 3 Remove the screw Straight the tabs at six locations indicated and then remove the Main Unit Fig 3 Main Unit ...

Page 41: ...e slowly pulling up the part 4 Now the top frame has been removed and under this state fix the genuine Connector again and eject the disk Caution When you reassemble the Carriage Mechanical part apply a bit of alcohol to Dampers How to remove the Guide Arm Assy 1 Unlock the spring 1 piece at the right side of the assembly 2 Unscrew screws 2 pieces then remove the Screw Gear Bracket 3 Shift the Gui...

Page 42: ...lock the spring 1 piece and remove the E ring 1 piece of the Fulcrum Shaft 2 Shift the arm to the left side direction and unlock pins 2 pieces How to remove the Pickup Unit 1 Unscrew 2 pieces of screws then remove the Pulley Cover 2 Remove the Feed Screw unit from the pawl of the Feed Screw Guide The pawl is located inside the guide 3 Remove the belt from the Pulley then remove the Pickup unit Cau...

Page 43: ...gs 3 pieces 2 Remove the Clamp Up Lever 3 Remove the Assy in such way that you shift the Assy to the left side direction while you rotate it to the upper direction slowly How to remove the Spindle Motor 1 Unscrew 2 pieces of screws Then you can remove the motor Load Carriage Motor Assy Clamp Up Lever Spindle Motor Clamp Arm Assy Spring Spring Spring Grease Application ...

Page 44: ...ILL GND BACK UP FL INPUT FR INPUT 1 BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 BUS L INPUT 8 ASENB 9 BUS R INPUT 10 BUS R INPUT 11 BUS L INPUT 1 BUS 2 GND 3 GND 4 NC 5 BUS 6 GND 7 BUS L OUTPUT 8 ASENB 9 BUS R OUTPUT 10 GND R 11 GND L IP BUS IN IP BUS OUT 3A GRAY BLACK WHITE BLACK WHITE STRIPE ON ORANGE BLACK YELLOW ...

Page 45: ... C Mixing switch select output 37 39 NC Not used 40 VSS GND 41 VDD Positive power supply terminal 42 BLGT O C LCD back light control output 43 51 NC Not used 52 CD5VON O C CD 5V power supply control output 53 CONT O C CD servo driver power supply control output 54 VDCONT O C CD VD control output 55 CDMUTE O C Not used 56 NC Not used 57 LOEJ O C CD load motor LOAD EJECT direction exchange output 58...

Page 46: ...X I IP BUS data input 86 TX O C IP BUS data output 87 91 NC Not used 92 asens I ACC power sense input 93 bsens I Back up power sense input 94 NC Not used 95 LCE O C Chip enable output pin for LCD driver 96 linh O C Inhibit output for LCD driver 97 LCK O C Clock output for LCD driver 98 LDT O C Data output for LCD driver 99 LCDPW O C LCD driver power supply control output 100 NC Not used 30 31 50 5...

Page 47: ...rror signal generation amplifier output terminal 15 SBAD O Sub beam addition signal output terminal 16 FEO O Focus error signal generation amplifier output terminal 17 FEN I Focus error signal generation amplifier reverse phase input terminal 18 SEB I RFRP generation circuit mode switching terminal 19 VRO O Reference voltage VREF output terminal 20 RFRP O Signal generation amplifier output termina...

Page 48: ... DAC zero detection flag output terminal 28 PDO O Phase error signal issue between the EFM and PLCK signals 29 TMAXS O TMAX detection result output terminal 30 TAMX O TMAX detection result output terminal 31 LPFN I Reverse input terminal of amplifier for lowpass filter 32 LPFO O Output terminal of amplifier for lowpass filter 33 PVREF PLL system only VREF terminal 34 VCOREF I VCO center frequency ...

Page 49: ...minal 5 V 77 XVSS Ground terminal for system clock oscillator circuit 78 XI I System clock oscillator circuit input terminal 79 XO O System clock oscillator circuit output terminal 80 XVDD For system clock oscillator circuit power supply terminal 81 DVSR R channel D A converting unit power supply terminal 82 RO O R channel data forward rotation output terminal 83 DVDD D A converting unit power sup...

Page 50: ...r CH1 CH2 and CH3 at Power stage 11 VO1 Driver CH1 Negative output 12 VO1 Driver CH2 Positive output 13 VO2 Driver CH2 Negative output 14 VO2 Driver CH2 Positive output 15 VO3 Driver CH2 Positive output 16 VO3 Driver CH2 Negative output 17 VO4 Driver CH4 Positive output 18 VO4 Driver CH4 Negative output 19 POWVCC2 Power supply pin for CH4 at Power stage 20 GND Ground pin 21 CNT Control pin 22 LDIN...

Page 51: ...29 SEG28 SEG27 SEG26 SEG25 SEG24 SEG23 SEG22 SEG21 SEG20 SEG19 SEG18 SEG17 SEG16 SEG15 SEG14 SEG13 SEG12 SEG11 SEG10 SEG9 SEG8 SEG7 SEG6 SEG5 SEG4 SEG3 SEG2 SEG1 COM2 COM1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 1 2 COMMON SEGMENT 7 2 2 DISPLAY CAW1638 ...

Page 52: ...PERATIONAL FLOW CHART VDD 5V Pin 16 BATT ON bsens L asens L bsens Pin 18 asens Pin 19 VCC ON SYSPW H Start the CD player DISC SCD ON VD ON VDCONT H VDSENS Pin 76 Error massage A0 STAND BY SCD selected 1 3V VDIN 2 1V N N ...

Page 53: ...T button RESET button Key Finder Operate CD Player functions with the buttons shown below Head Unit e g KEH P6010 Note For details concerning operation using the Remote Controller refer to the Operation Manual of the Head Unit 5 2 3 buttons SOURCE button BAND button FUNCTION button PGM button DISPLAY button ...

Page 54: ...on the head unit display Do not insert anything other than a CD into the CD Loading Slot Lights up when a CD is playing Lights up when a CD is loaded Using the CD Player Display Modes Level Indicator Display This product has eight display patterns Mode 1 to Mode 8 from which you can choose one at a time Selecting the Level Indicator display Each press of the DISPLAY button changes the display in t...

Page 55: ...be executed by pressing the corresponding buttons on the Head Unit or the remote controller 7 Head Unit Group 2 Function name Button Operation Source Switching SOURCE SOURCE OFF Select Repeat Play RPT LOCAL BSM LOCAL BSM Hold for 2 seconds Select Random Play RPT Hold for 2 seconds LOCAL BSM Hold for 2 seconds Select Scan Play PAUSE BSM Hold for 2 seconds PAUSE SCAN Hold for 2 seconds Select Pause ...

Page 56: ...n black Gray black Violet Violet black Black ground IP BUS Blue IP BUS input Blue IP BUS Blue White black Gray black Left Right IP BUS input Blue To vehicle metal body 45 cm 30 cm 40 cm 30 cm Fuse resistor Orange White To lighting switch terminal 30 cm Fuse holder Yellow To terminal always supplied with power regardless of ignition switch position 90 cm ...

Page 57: ... W 50 H 153 D mm 7 W 2 H 6 D in nose 170 W 46 H 15 D mm 6 3 4 W 1 3 4 H 5 8 D in Weight 1 2 kg 2 7 lbs CD player System Compact disc audio system Usable discs Compact disc Signal format Sampling frequency 44 1 kHz Number of quantization bits 16 linear Frequency characteristics 5 20 000 Hz 1 dB Signal to noise ratio 94 dB 1 kHz IHF A network Dynamic range 92 dB 1 kHz Number of channels 2 stereo Not...

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