JVC KS-F190 Скачать руководство пользователя | Manualshive

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KS-FX222

1-18 (No.49772)

4.3 LC75421M-X (IC931): E. volume

• Pin layout

• Block diagram

36 ~ 19

1 ~ 18

34

33

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

16

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

36

35

CCB

INTERFACE

CONTROL

CIRCUIT

LOGIC

CIRCUIT

CONTROL

CIRCUIT

LVref

RVref

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...
16
17
18
19
20
...
»

Содержание KS-F190

Страница 1: ...S FX222 CASSETTE RECEIVER 49772 2003 01 KS FX222 TABLE OF CONTENTS 1 Important Safety Precautions 1 2 2 Disassembly method 1 3 3 Adjustment method 1 12 4 Description of major ICs 1 16 Area Suffix E Continental Europe EX Central Europe SEL S BASS DISP SSM SCM MO EX AM FM KS F172 ...

Страница 2: ... SECTION 1 Important Safety Precautions 1 1 Safety Precautions Burrs formed during molding may be left over on some parts of the chassis Therefore pay attention to such burrs in the case of preforming repair of this system ...

Страница 3: ...oints b on the right side and the joint c on the back of the body then remove the bottom cover from the body CAUTION When releasing the joint c using a screwdriver do not damage the board Fig 2 2 1 3 Removing the front chassis See Fig 3 Prior to performing the following procedure remove the front panel assembly and bottom cover 1 Remove the screw A on each side of the body 2 Release the two joints...

Страница 4: ...the front panel assembly and bottom cover 1 Remove the two screws D two screws E and three screws F attaching the rear panel on the back of the body Fig 5 2 1 6 Removing the main board See Fig 6 Prior to performing the following procedure remove the front panel assembly bottom cover front chassis heat sink and rear panel 1 Remove the two screws G attaching the main board on the top chassis 2 Disco...

Страница 5: ...oard See Fig 8 Prior to performing the following procedure remove the front panel assembly bottom cover front chassis heat sink rear panel main board and cassette mechanism assembly 1 Disconnect the wire from CJ901 on the head amplifier board 2 Remove the one screw J attaching the head amplifier board 3 Move the head amplifier board in the direction of the arrow to release the two joints f the hea...

Страница 6: ...rew K attaching the relay board 3 Move the relay board in the direction of the arrow to release the joint g the relay board can be removed Fig 9 2 1 10 Removing the mecha bracket See Fig 10 Prior to performing the following procedure remove the front panel assembly bottom cover front chassis heat sink rear panel main board cassette mechanism assembly head am plifier board and relay board 1 Remove ...

Страница 7: ...e the front panel assembly 1 Remove the four screws M attaching the rear cover on the back of the front panel assembly 2 Release the eleven joints h the front panel and the rear cover become separate 3 Remove the switch board from the rear cover Fig 11 Fig 12 Fig 13 M M M M Joint h Joint h Joint h Joint h Switch LCD Key board ...

Страница 8: ... remove the direc tion switch board and the FF REW lever assembly 1 Remove the screw D attaching the playback head 2 Remove the C washer and pull out the FF roller 3 Remove the S support plate the A arm spring a and b the playback head ATTENTION The A arm spring a differs from the A arm spring b 2 2 5 Removing the pinch roller R and F assembly See Fig 2 Prior to performing the following procedure ...

Страница 9: ...embly See Fig 4 Prior to performing the following procedure remove the FF REW lever assembly and the cassette hanger cassette hold er 1 Remove the C washer and pull out reel disc assembly ATTENTION Replace with a new C washer when reattaching Fig 4 2 2 8 Removing the motor assembly See Fig 5 1 Unsolder the two wires j on the motor assembly 2 Turn over the cassette mechanism assembly and remove the...

Страница 10: ...ng the reel base assembly See Fig 5 and 6 1 Raise the part k of the reel base assembly slightly and re move the selector link B on the front side of the cassette mechanism assembly by turning it as shown in Fig 6 2 Remove the three screws E and the one screw F on the underside of the cassette mechanism assembly ATTENTION The reel base assembly is not repairable Handle with care Fig 6 Fig 7 Reel di...

Страница 11: ...h board Fig 8 2 2 12 Removing the power switch See Fig 9 Prior to performing the following procedure remove the motor assembly 1 Unsolder the two wires m on the power switch on the side of the cassette mechanism assembly 2 Remove the screw I attaching the power switch Fig 9 Cassette mechanism assembly Soldering l H Mute switch board Rower switch Motor assembly Soldering m I Power switch Cassette m...

Страница 12: ...for CTG N Mechanism adjustment VT724 for DOLBY level measurement VT739 For playback frequency measurement VT712 For wow flutter tape speed measurement VT703 For head azimuth measurement Balance and Bass Treble volume Fader Center Indication 0 Loudness Dolby NR Sound Cruise Off Volume position is about 2V at speaker output with following conditions Playback the test tape VT721 Power supply voltage ...

Страница 13: ...tach a heat sink on the power amplifier IC of a main board when supplying the power If voltage is applied without attaching the heat sink the power amplifier IC will be destroyed by heat 1 For 1995 and 1996 we re advancing efforts to make our extension cords common for all car audio products Please use this type of extension cord as follows 2 As a U shape type top cover is employed this type of ex...

Страница 14: ...ead azimuth screw Cassette mechanism Surface Tape speed adjust Motor assembly Fixed screw Height adjusting screw c Height adjusting screw b Height adjusting screw a Playback head Playback head Azimuth screw Arrangement of adjusting test points ...

Страница 15: ... 1 Load the test tape VT724 1kHz and play it back in the reverse play mode set the Rch output level to maximum 2 Load the test tape VT703 10kHz and play it back in the forward play mode Adjust the Rch and Lch output levels to maximum with azimuth adjustment screw b In this case the phase difference should be within 45 3 Engage the reverse mode and adjust the output level to maximum with azimuth ad...

Страница 16: ... I O Oscillator connection An oscillator circuit is formed by connecting an external resistor and capacitor at this pin 62 CE I Serial data interface connection to the controller CE Chip enable 63 CLOCK I Serial data interface connection to the controller CL Sync clock 64 DATA I Serial data interface connection to the controller DI Transfer data 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 S8 S9 S10 S11...

Страница 17: ...Monaural and stereo change over output 36 R T Non connect 37 NC Non connect 38 POWER CNT O Power control output 39 NC Non connect 40 NC Non connect 41 IF CONT Non connect 42 NC Non connect 43 NC Non connect 44 NC Non connect 45 NC Non connect 46 NC Non connect 47 NC Non connect 48 TAPE IN I H RADIO L TAPE 49 F R SENCE I FORWARD REVERSE switch de tector 50 TAPE MUTE I DIR FF REW MUTE 51 SD ST I Sta...

Страница 18: ...75421M X IC931 E volume Pin layout Block diagram 36 19 1 18 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 36 35 CCB INTERFACE CONTROL CIRCUIT LOGIC CIRCUIT CONTROL CIRCUIT LVref RVref ...

Страница 19: ... signal terminal 16 L3 input signal terminal 17 L2 input signal terminal 18 L1 input signal terminal 19 Vref Power supply for analog GND 20 R1 input signal terminal 21 R2 input signal terminal 22 R3 input signal terminal 23 R4 input signal terminal 24 R5 input signal terminal 25 RSELO Input selector output terminal 26 RIN Rch input terminal 27 RTRE Capacitor connection terminal for treble band fil...

Страница 20: ... power supply 6 AMP Power supply supply to remote amplifier 7 VCC Back up connects with ACC with it 8 ANT Power supply supply to auto antenna 9 COM 8 7V power supply 10 AM The power supply of 8 7V to AM 11 FM The power supply of 8 7V to FM 12 GND Ground Pre Drive Thermal Protection Reference Voltage Pre Drive AMP Out ASO Peak Current Protection AMP Out Pre Drive Pre Drive Pre Drive 1 2 3 4 5 6 7 8...

Страница 21: ...4HC126P IC751 Changer control Pin arrangement Pin function Block diagram 1 1C 2 1A 3 1Y 4 2C 5 2A 6 2Y 7 GND Vcc 4C 4A 4Y 3C 3A 3Y TOP VIEW 14 13 12 11 10 9 8 Input Output C A Y L X Z H L L H H H 1A 1Y 2Y 3Y 4Y 1C 2A 2C 3A 3C 4A 4C ...

Страница 22: ... Vcc 1 2 Vcc 3 4 OUT 1 OUT 1 PWR GND1 OUT 2 OUT 2 PWR GND2 R F IN 3 IN 4 PRE GND ON TIME C Muting ON Time Control Circuit Protective circuit Protective circuit Mute circuit Ripple Filter Stand by Switch N C 0 22 F 2200 F 0 022 F 0 22 F TAB 5V ST ON 47 F 0 22 F 0 22 F 22 F Mute 10K 3 3 F OUT 3 OUT 3 Low Level Mute ON PWR GND3 OUT 4 OUT 4 PWR GND4 ...

Страница 23: ...ut 5 FR Output for front Rch 6 VP1 Power input 7 RR Output for rear Rch 8 GND Power GND 9 RR Output for rear Rch 10 RIPPLE Ripple filter 11 RRIN Rear Rch input 12 FRIN Front Rch input 14 FLIN Front Lch input 15 RLIN Rear Lch input 16 ONTIME Power on time control 17 RL Output for rear Lch 18 GND Power GND 19 RL Output for rear Lch 20 VP3 Power input 21 FL Output for front 22 MUTE Muting control inp...

Страница 24: ... No 49772 AV MULTIMEDIA COMPANY 10 1 1chome Ohwatari machi Maebashi city 371 8543 Japan VICTOR COMPANY OF JAPAN LIMITED 200301WPC Printed in Japan KS FX222 ...

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