Pioneer KEH-P6020R Service Manual Download

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CONTENTS

1. SAFETY INFORMATION ............................................2

2. EXPLODED VIEWS AND PARTS LIST .......................3

3. BLOCK DIAGRAM AND SCHEMATIC DIAGRAM ...10

4. PCB CONNECTION DIAGRAM ................................24

5. ELECTRICAL PARTS LIST ........................................32

6. ADJUSTMENT..........................................................36

7. GENERAL INFORMATION .......................................37

7.1 DIAGNOSIS ........................................................37

7.1.1 DISASSEMBLY ..............................................37

7.1.2 CONNECTOR FUNCTION DESCRIPTION ....38

7.2 PARTS .................................................................39

7.2.1 IC ....................................................................39

7.2.2 DISPLAY.........................................................45

7.3 OPERATIONAL FLOW CHART ..........................46

7.4 CLEANING .........................................................47

8. OPERATIONS AND SPECIFICATIONS.....................48

PIONEER CORPORATION

4-1, Meguro 1-Chome, Meguro-ku, Tokyo 153-8654, Japan

PIONEER ELECTRONICS (USA) INC.

P.O.Box 1760, Long Beach, CA 90801-1760 U.S.A.

PIONEER EUROPE NV

Haven 1087 Keetberglaan 1, 9120 Melsele, Belgium

PIONEER ELECTRONICS ASIACENTRE PTE.LTD.

253 Alexandra Road, #04-01, Singapore 159936

PIONEER CORPORATION 2001

K-ZZS. NOV. 2001 Printed in Japan

ORDER NO.

CRT2805

MULTI-CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER

KEH-P6020RB

/EW

Service
Manual

KEH-P6020RB/XN/EW

This service manual should be used together with the following manual(s):

Model No.

Order No.

Mech. Module Remarks

CX-1011

CRT2406

Cassette Mech. Module:Mech.Description, Disassembly, Adjustment

KEH-P6020R

/EW

NOTE:

This service manual does not describe the CD test mode.

For the operations in the CD test mode, refer to the CD player's Service manual.

For details, refer to "Important symbols for good services" on the next page.

Summary of Contents for KEH-P6020R

Page 1: ...ONEER EUROPE NV Haven 1087 Keetberglaan 1 9120 Melsele Belgium PIONEER ELECTRONICS ASIACENTRE PTE LTD 253 Alexandra Road 04 01 Singapore 159936 C PIONEER CORPORATION 2001 K ZZS NOV 2001 Printed in Japan ORDER NO CRT2805 MULTI CD CONTROL HIGH POWER CASSETTE PLAYER WITH RDS TUNER KEH P6020RB XN EW Service Manual KEH P6020RB XN EW This service manual should be used together with the following manual ...

Page 2: ...ance with the procedures or instructions described in this manual adjustments should be performed 3 Cleaning For optical pickups tape deck heads lenses and mirrors used in projection monitors and other parts requiring cleaning proper cleaning should be performed to restore their performances 5 Lubricants glues and replacement parts Appropriately applying grease or glue can maintain the product per...

Page 3: ...rast table 2 9 Contain Box See Contrast table 2 10 Protector CHP2251 11 Protector CHP2252 12 Case Assy CXB3520 13 Screw BPZ20P060FZK 14 Accessory Assy CEA3062 15 Earth Plate CNC9450 16 Inner Box CHW1754 Mark No Description Part No Mark No Description Part No 1 PACKING SECTION PARTS LIST NOTE Parts marked by are generally unavailable because they are not in our Master Spare Parts List Screws adjace...

Page 4: ...4561 CHG4560 9 Contain Box CHL4561 CHL4560 2 CONTRAST TABLE KEH P6020RB XN EW and KEH P6020R XN EW are constructed the same except for the following Owner s Manual Installation Manual Model Part No Language KEH P6020RB XN EW CRD3537 English Spanish German French Italian Dutch KEH P6020R XN EW CRD3538 CRD3553 ...

Page 5: ...5 KEH P6020RB P6020R ...

Page 6: ...6 KEH P6020RB P6020R A C B 62 2 2 EXTERIOR ...

Page 7: ...0 Cover CNS6740 51 Holder CNV6505 52 Holder CNV6506 53 Keyboard Unit See Contrast table 2 54 LCD See Contrast table 2 55 Connector CN1901 CKS4524 56 Holder CNC9053 57 Film See Contrast table 2 58 Sheet CNM7647 59 Connector CNV6440 60 Lighting Conductor CNV6441 61 Sub Grille Assy See Contrast table 2 62 Transistor Q910 2SD2396 63 Button EJECT CAC6839 64 Door CAT2109 65 Screw M2x2 CBA1176 66 Washer ...

Page 8: ...8 KEH P6020RB P6020R 2 3 CASSETTE MECHANISM MODULE D E For grease application refer to the service manual for CX 1011 CRT2406 ...

Page 9: ...Gear ENV1560 30 Worm Wheel ENV1566 31 Lever ENV1551 32 Flywheel ENV1554 33 Gathering PCB ENX1068 34 Switch S1 S2 ESG1007 35 Deck Unit EWM1032 36 Plug CN251 CKS3540 37 Gathering PCB ENX1067 38 Motor Unit M1 EXA1491 39 Motor EXM1028 40 Head Assy HD1 EXA1592 41 Motor Unit M2 EXA1580 42 Screw BMZ20P022FMC 43 Bracket ENC1528 44 Chassis Unit EXA1615 45 Pinch Holder Unit EXA1608 46 Pinch Roller ENV1518 4...

Page 10: ...OAD 5 1 4 2 1 3 11 9 20 19 D DECK UNIT IC251 HA12229F IC351 PA2020A EQ AMP MECHANISM DRIVER CN251 CN252 CN254 CN255 CN253 6 16 MS Lch 20 FWD L ch REV L ch 39 32 33 18 19 17 3 1 5 6 8 7 10 CN256 3 1 5 6 S1 LOAD S2 MODE EGN1 REEL SENSE M M M2 SUB MOTOR M1 MAIN MOTOR 5 2 1 E REEL SENSE PCB 11 6 5 5 6 17 f R DIRO 68 66 DIRO MS 9 MCMUTE stby loadsw 15 13 15 13 59 61 POS NES 13 11 POS NES POS ES 18 17 1...

Page 11: ... IC 361 PAL007A IC 1902 RS 140 reset VDD Q610 Q913 Q914 Q916 Q359 Q351 SYSPW Q1905 Q917 TX RX IPPW ELECTRONIC VOLUME SOURCE SELECTOR B REM STBY MUTE REMOTE CONTROL SENSOR IC 1903 PD6294A LCD DRIVER KEY MATRIX LCD OPT IN 1 9 8 7 10 3 5 6 4 11 7 10 11 14 12 13 2 7 8 4 8 5 5 FILM 6 6 4 10 11 14 12 13 2 4 3 6 5 10 8 7 9 2 4 DPDT KYDT X0 X1 DIMMER KEY DATA LCD DATA REMIN VDD 9 8 3 X1901 2 7 23 10 N750 ...

Page 12: ... VIEWS AND PARTS LIST or ELECTRICAL PARTS LIST 12 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A 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 B DSP 201M S00B KEH P6020RB FM 100 19 5dBs AM 30 30dBs B C PANEL UNIT KEYBOARD UNIT EJECT FM AM TUNER UNIT D DECK UNIT ...

Page 13: ...10A FUSE 600µH A TUNER AMP UNIT For resistors and capacitors in the circuit diagrams their resistance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be s...

Page 14: ...14 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A DSP 201M S00B KEH P6020RB FUNCTION FM 100 19 5dBs AM 30 30dBs SYSTEM CONTRO FM AM TUNER UNIT A a A a A b ...

Page 15: ...15 KEH P6020RB P6020R 5 6 7 8 5 6 7 8 D C B A A a A a A b DETACH S B C PANEL UNIT KEYBOARD UNIT EJECT D DECK UNIT B 1 2 ...

Page 16: ...3 4 D C B A A a A b A b KEH P6020RB P6020R FUNCTION I O IP BUS 2 2dBs FM 100 3 6dBs AM 30 6 9dBs CD 10 2dBs IP BUS 10 3dBs FM 100 19 5dBs AM 30 30dBs CD 4 1dBs IP BUS 2 2dBs CD 9 4dBs CONTROLLER 600µH A TUNER AMP UNIT ...

Page 17: ... resistance values or capacitance values are expressed in codes Ex Resistors Code Practical value 123 12k ohms 103 10k ohms Capacitors Code Practical value 103 0 01uF 101 10 100uF 10V The mark found on some component parts indicates the importance of the safety factor of the part Therefore when replacing be sure to use parts of identical designation RR FR FL RL RR FR FL RL BACK UP ILL GND B REM AC...

Page 18: ...18 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A 3 3 KEYBOARD UNIT KEH P6020RB C CAW1668 TA ...

Page 19: ...19 KEH P6020RB P6020R 5 6 7 8 5 6 7 8 D C B A C C KEYBOARD UNIT NSSW440 9159 NSSW440 9159 S1901 1902 1904 1906 1907 1909 1919 CSG1133 A CSG1111 CSG1111 CN1951 B ...

Page 20: ...20 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A 3 4 KEYBOARD UNIT KEH P6020R TA CAW1627 C ...

Page 21: ...21 KEH P6020RB P6020R 5 6 7 8 5 6 7 8 D C B A S1901 1902 1904 1906 1907 1909 1919 CSG1115 CSG1111 CSG1111 TA NSSW440 9159 NSSW440 9159 C CN1951 B C KEYBOARD UNIT ...

Page 22: ...72 R1 C401 3900P R285 0R0 HD1 HEAD ASSY EXA1592 TEST TAPE NCT 150 400Hz 200nWb m RL RR FR FL C302 R1 C301 R1 R304 R302 16K 16K R301 16K R303 16K 8 24dBs 4dB Fwd R Fwd L Rev R Rev L NF1 R Vref1 RIN L NC RIN R GND FIN R Vref2 FIN L NFI L M OUT L EQOUT L Vref4 TAI L BIAS NC NC MSGV S MUTE 120 70 ser REP f R MSDET MSI MAOUT MSGV R MOUT R EQOUT R Vref3 TAI R RIP PBOUT R NC NC NC CN252 CN251 EQ AMP IC25...

Page 23: ...353 1K R354 1K R373 0R0 R355 270K C352 3900P R362 300 C351 R22 C353 R01 C354 R01 R374 0R0 C356 R01 C355 R1 D352 1SS355 M1 MOTOR UNIT MAIN MOTOR EXA1491 S1 LOAD ESG1007 S2 ESG1007 MODE REEL SENSE EGN1 EGN1004 M2 MOTOR UNIT SUB MOTOR EXA1580 RS3 RS2 RS1 SC2 SC1 TAB MC CE VCC2 NC VCC MCS RRS FRS RSB C TAB MS2 NC NC MM SM1 RSB GND RS mtl MCS load CN255 CN253 CN256 CN254 MECHANISM DRIVER IC351 PA2020A ...

Page 24: ...GRAM 4 1 TUNER AMP UNIT NOTE FOR PCB DIAGRAMS 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 Capacitor Connector P C Board Chip Part SIDE A SIDE B ...

Page 25: ...25 KEH P6020RB P6020R 5 6 7 8 5 6 7 8 D C B A A SIDE A REAR OUTPUT ANTENNA JACK IP BUS INPUT FM AM TUNER UNIT CN251 D FRONT CN1950 B CORD ASSY ...

Page 26: ...26 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A A TUNER AMP UNIT A ...

Page 27: ...27 KEH P6020RB P6020R 5 6 7 8 5 6 7 8 D C B A A SIDE B ...

Page 28: ...28 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A 4 2 PANEL UNIT B B PANEL UNIT B PANEL UNIT A CN750 EJECT 1 3 5 7 9 11 2 4 6 8 1012 C CN1901 SIDE A SIDE B ...

Page 29: ...29 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A 4 3 KEYBOARD UNIT TA DISPLAY VOLUME EQ SOURCE 1 2 3 4 5 6 BAND SFEQ AUDIO FUNCTION C KEYBOARD UNIT SIDE A C CN1951 B C KEYBOARD UNIT SIDE B ...

Page 30: ...P6020R 1 2 3 4 1 2 3 4 D C B A 4 4 CASSETTE MECHANISM MODULE D CN251 C271 IC Q IC251 Q351 Q352 ADJ VR302 VR301 IC351 CN252 CN254 CN253 CN255 M1 M2 HEAD ASSY CN256 21 22 DECK UNIT CN551 SIDE A SIDE B E A DECK UNIT D D ...

Page 31: ...31 KEH P6020RB P6020R 1 2 3 4 1 2 3 4 D C B A E 1 2 3 4 5 6 S1 LOAD S2 MODE CN256 EGN1 REEL SENSE REEL SENSE PCB CN253 E D ...

Page 32: ... C 405 CKSRYB333K16 Unit Number CWM8019 KEH P6020RB Unit Number CWM8018 KEH P6020R Unit Name Tuner Amp Unit MISCELLANEOUS IC 301 IC PML008A IC 361 IC PAL007A IC 481 IC PM4009A IC 601 IC PE5206A IC 603 IC S 80834ANY IC 710 IC HA12187FP Q 341 Transistor IMH3A Q 351 Transistor IMH3A Q 359 Transistor DTA124EK Q 361 Transistor DTC124EK Q 362 Transistor DTC114EK Q 410 Transistor 2SC2412K Q 411 Transisto...

Page 33: ...S473J R 415 RS1 16S393J R 416 RS1 16S681J R 417 RS1 16S681J R 418 RS1 16S681J R 419 RS1 16S681J R 420 RS1 16S103J R 421 RS1 16S681J R 422 RS1 16S473J R 423 RS1 16S472J R 424 RS1 16S473J R 425 RS1 16S102J R 426 RS1 16S473J R 427 RS1 16S153J R 428 RS1 16S681J R 429 RS1 16S681J R 430 RS1 16S681J R 431 RS1 16S473J R 432 RS1 16S473J R 433 RS1 16S474J R 434 RS1 16S473J R 435 RS1 16S472J R 439 RS1 16S222...

Page 34: ...RS1 16S104J R 930 RS1 16S103J R 931 RS1 16S103J R 932 RD1 4PU102J R 933 RS1 16S473J R 934 RS1 16S103J R 935 RS1 16S223J R 936 RD1 4PU152J CAPACITORS C 310 CKSRYB102K50 C 311 CEJA1R0M50 C 312 CEJA1R0M50 C 314 CKSRYB105K6R3 C 315 CKSRYB105K6R3 C 316 CKSRYB104K16 C 317 CKSRYB104K16 C 318 CKSRYB105K6R3 C 319 CKSRYB105K6R3 C 320 CKSRYB105K6R3 C 321 CKSRYB105K6R3 C 325 CKSRYB102K50 C 326 CEJA100M16 C 32...

Page 35: ...ch CSG1133 S 1913 Push Switch CSG1133 S 1914 Push Switch CSG1133 S 1915 Push Switch CSG1133 S 1916 Push Switch CSG1133 S 1917 Push Switch CSG1133 S 1918 Push Switch CSG1133 S 1919 Push Switch CSG1133 S 1922 Encoder CSD1059 LCD CAW1668 RESISTORS R 1901 RS1 16S222J R 1902 RS1 16S222J R 1903 RS1 16S470J R 1904 RS1 16S470J R 1905 RS1 16S121J R 1906 RS1 16S2R2J R 1910 RS1 16S151J R 1911 RS1 16S151J R 1...

Page 36: ...15 RS1 16S151J R 1917 RS1 16S151J R 1919 RS1 16S151J R 1920 RS1 16S151J R 1921 RS1 16S103J R 1922 RS1 16S331J R 1923 RS1 16S331J R 1924 RS1 16S103J R 1925 RS1 16S331J R 1926 RS1 16S331J R 1927 RS1 16S472J R 1930 RS1 16S101J R 1931 RS1 16S101J R 1935 RS1 16S393J R 1936 RS1 16S151J R 1939 RS1 16S151J R 1941 RS1 16S151J R 1942 RS1 16S151J R 1943 RS1 16S151J R 1945 RS1 16S121J R 1958 RS1 16S151J R 196...

Page 37: ... the three screws and then remove the Tuner Amp Unit Removing the Case not shown 1 Remove the Case Removing the Cassette Mechanism Module Fig 1 Remove the four screws and then remove the Cassette Mechanism Module Removing the Panel Assy Fig 1 Remove the two screws and then remove the Panel Assy Fig 1 Fig 2 Tuner Amp Unit Cassette Mechanism Module Panel Assy 37 KEH P6020RB P6020R ...

Page 38: ... 6 5 4 3 2 1 15 16 10 2 5 1 REAR OUTPUT ANTENNA FUSE 10A 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 FRONT OUTPUT 1 GND 2 B UP 3 ACC 4 NC 5 ILM 6 B REM 7 NC 8 TEL MUTE 9 RL 10 FL 11 RL 12 FL 13 RR 14 FR 15 RR 16 FR ...

Page 39: ...N4 15 IN3 16 AC GND 17 OUT3 18 P GND3 19 OUT3 20 VCC 21 OUT4 22 MUTE 23 OUT4 24 P GND4 SWITCH 25 Offset Detection Offset Detection Offset Detection Offset Detection Protector Over current limit sw_vcc stby Protector Short circuit Mute circuit amp_vcc Stand by Circuit Protector Over voltage sw_vcc Protector Thermal Reference amp_vcc PAL007A ...

Page 40: ...t Digital block Zero cross Secondary volume MUTE Secondary volume Treble2 Bass2 Anti radiation filter Anti radiation filter Primary volume Anti Alias filter Loudness volume Bass Middle Treble fromRch to Rch LPF L R Rch block same as Lch detect circuit Source Gain adjuster PML008A HA12229F 30 TAI L 29 TEST 28 PBOUT L 27 NC 26 NC 25 NC 31 NFI R 32 Vref1 33 RIN L 34 NC 35 RIN R 11 12 13 14 15 16 17 1...

Page 41: ...ace IC 25 ROT1 I Rotary encoder input 1 26 ROMDATA O ROM collection data output 27 28 NC Not used 29 ROT0 I Rotary encoder input 0 30 RECIVE O During RDS data reception output 31 NC Not used 32 pce2 O EEPROM chip enable output 33 STB O Strobe pulse output for electronic volume 34 CLK O Clock output for electronic volume 35 DATA O Data output for electronic volume 36 NC Not used 37 MUTE O System mu...

Page 42: ...MUTE O E VOL Mute control output 73 TEST GND I GND 74 SL I TUNER Signal level input 75 NL1 I RDS Noise level input 1 76 MODELIN I Model select input 77 CSENS I Flap close sense input 78 81 NC Not used 82 AVDD A D converter power supply terminal 83 AVREF A D converter reference voltage terminal 84 AVSS GND 85 RX I IP BUS data input 86 TX O IP BUS data output 87 NMI GND 88 ldet I PLL lock sense inpu...

Page 43: ...DIMMER O Dimmer select output 8 KYDT O Key data output 9 DPDT I Display data input 10 REMIN I Remote control pulse input 11 GRN Dual Illumination Green 12 AMB Dual Illumination Amber 13 16 KD4 KD1 I Key data input 17 22 KST6 KST1 O Key strobe output 23 VDD VDD 24 73 SEG49 0 O LCD segment output 74 77 COM3 0 O LCD common output 78 VLCD I LCD voltage input 79 80 V2 V1 Power supply terminal PD6294A 8...

Page 44: ...ulled up to the VDD at 47kΩ 16 CE1 I chip enable 1 AF RF chip enable Active at High To be grounded at 47kΩ 17 NC Not used 18 LDET O lock detector Active at Low To be pulled up to the VDD at 47kΩ 19 CREQ I current request Active at Low To be grounded at 47kΩ 20 NC Not used 21 COMP O composite signal FM composite signal output r out 100Ω 22 VCC power supply Analog section power supply pin DC 8 4V 0 ...

Page 45: ...24 SEG25 SEG26 SEG27 SEG28 SEG29 SEG10 SEG11 SEG12 SEG13 SEG14 SEG15 SEG16 SEG17 SEG18 SEG19 SEG 9 SEG 8 SEG 7 SEG 6 SEG 5 SEG 4 SEG 3 SEG 2 SEG 1 SEG 0 COM0 COM1 COM2 COM1 COM0 COM1 COM2 COM1 COM0 6 6 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 5 4 3 2 1 6 5 4 3 2 1 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 ...

Page 46: ...ceed to each source operation SYSPW H Pin21 Starts communication with Grille microcomputer Source ON 300ms 300ms In case of the above signal the communication with Grille microcomputer may fail If the time interval is not 300msec the oscillator may be defective CSENS Pin77 2V CSENS 4V 2V CSENS 4V Source returns to the original one before you open CD MD and TAPE loading functions are available Keys...

Page 47: ... 7 4 CLEANING Before shipping out the product be sure to clean the following portions by using the prescribed cleaning tools Portions to be cleaned Cleaning tools Cassette heads Pinch rollers Cleaning paper GED 008 Capstans ...

Page 48: ...presence 7 BAND ESC button Press to select among three FM or MW LW bands and cancel the control mode of functions 8 1 6 PRESET TUNING buttons Press for preset tuning and disc number search when using a multi CD player 9 SOURCE button This unit is switched on by selecting a source Press to cycle through all of the available sources 10 EQ button Press to select various equalizer curves 11 VOLUME but...

Page 49: ...y lower the volume level by about 90 Press once more to return to the original volume level 14 VOLUME button Press to increase or decrease the volume Using the remote control with PGM button The remote control CD R600 which is sold separately can also operate this unit It has a PGM program button in which fre quently used functions are preprogrammed for each source Press PGM to active functions as...

Page 50: ... for at least one sec ond to turn the unit off Listening to the radio These are the basic steps necessary to oper ate the radio This unit s AF alternative frequencies search function can be switched on and off AF should be off for normal tuning opera tion 1 BAND indicator Shows which band the radio is tuned to MW LW or FM 2 FREQUENCY indicator Shows to which frequency the tuner is tuned 3 PRESET N...

Page 51: ...lay back press BAND ESC You can cancel music search by pressing 2 or 3 in the same direction again 7 To change the direction of the tape trans port press BAND ESC Notes Do not insert anything other than a cas sette tape into the cassette loading slot PLAY TIME indicator starts from 00 00 in the following cases When a tape is inserted When the tape direction is changed When you rewind the tape to t...

Page 52: ... 5 and 4 to 3 8 1 This Product 5 IP BUS input Blue 3 Antenna jack 18 Yellow black If you use a cellular telephone connect it via the Audio Mute lead on the cellular telephone If not keep the Audio Mute lead free of any connections 2 Rear or Subwoofer output 7 Fuse 29 Rear Speaker or Subwoofer 29 Rear Speaker or Subwoofer 30 Perform these connections when using a different amp sold separately 31 19...

Page 53: ... 11 dB 100 Hz 11 dB 10 kHz volume 30 dB Tone controls Bass Frequency 40 63 100 160 Hz Level 12 dB Treble Frequency 2 5k 4k 6 3k 10k Hz Level 12 dB Subwoofer output Frequency 50 80 125 Hz Slope 12 dB oct Level 12 dB Cassette player Tape Compact cassette tape C 30 C 90 Tape speed 4 76 cm sec 0 14cm sec 0 05cm sec Fast forward rewinding time Approx 100 sec C 60 Wow flutter 0 09 WRMS Frequency respons...

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