JVC Micro Component System UX-M55 Скачать руководство пользователя страница 28 | Manualshive

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UX-M55

1-28

PW GND1

OUT(-)1

PW VCC1

OUT(+)1

VIN1

VRI

VCI

VIN2

OUT(+)2

PW VCC2

OUT(-)2

PW GND2

1

1. Terminal Layout & Block Diagram

TA2092N (IC703) : Power driver

2

3

4

5

6

7

8

9

10

11

12

24

23

22

21

20

19

18

17

16

15

14

13

PW GND4

OUT(-)4

PW VCC4

OUT(+)4

VIN4

SVCC1

SGND

VIN3

OUT(+)3

PW VCC3

OUT(-)3

PW GND3

2. Pin function

Pin No.

Symbol

I/O

Function

PW GND1
OUT(-)1
PW VCC1
OUT(+)1
VIN1
VRI
VCI
VIN2
OUT(+)2
PW VCC2
OUT(-)2
PW GND2
PW GND3
OUT(-)3
PW VCC3
OUT(+)3
VIN3
SGND
SVCC1
VIN4
OUT(+)4
PW VCC4
OUT(-)4
PW GND4

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24

Power GND
Inverted output for CH1
Supply terminal of output stage for CH1
Non-inverted output for CH1
Input for CH1
Input reference voltage
Output reference voltage
Input for CH2
Non-inverted output for CH2
Supply terminal of output stage for CH2
Inverted output for CH2
Power GND
Power GND
Inverted output for CH3
Supply terminal of output stage for CH3
Non-inverted output for CH3
Input for CH3
Supply terminal of small signal GND
Small signal GND
Input for CH4
Non-inverted output for CH4
Supply terminal of output stage for CH4
Inverted output for CH4
Power GND

-

O

-

O

I
I

O

I

O

-

O

-
-

O

-

O

I

-
-

I

O

-

O

-

UPC1330HA (IC201) : REC/PB audio head switch

1. Terminal layout

3. Pin function

2. Block diagram

1

9

1

2

3

4

5

6

7

8

9

INVERTER

COMPARATOR

SW

R1

GND
SW

P1

CONT
GND
V

CC

SW

P2

GND
SW

R2

Record SW (Left channel)
GND
Play SW (Left channel)
Record/Play control pin
GND
Power supply
Play SW (Right channel)
GND
Record SW (Right channel)

-
-
-
-
-
-
-
-
-

Pin No.

Symbol

I/O

Function

1
2
3
4
5
6
7
8
9

«
...
26
27
28
29
30
...
»

Содержание Micro Component System UX-M55

Страница 1: ...fix E Continental Europe EN Northern Europe SP UXM5 CA UXM55 SP UXM5 MICRO COMPONENT SYSTEM DISPLAY MODE PHONES PROGRAM REC DIRECTION PLAY PAUSE PRE EQ HBS VOLUME REPEAT SEARCH TUNING RANDOM CD TUNER TAPE BAND REV MODE M I C R O C O M P O N E N T S Y S T E M U X M 5 5 AU TO REVERSE FULL LOGIC DECK TIMER ON OFF SET REMAIN RDS MODE EJECT INTRO RDS SEARCH OPEN CLOSE STANDBY ON ST MONO STOP CLEAR PRES...

Страница 2: ...uct antenna terminals knobs metal cabinet screw heads headphone jack control shafts etc to be sure the product is safe to operate without danger of electrical shock Do not use a line isolation transformer during this check Plug the AC line cord directly into the AC outlet Using a Leakage Current Tester measure the leakage current from each exposed metal parts of the cabinet particularly any expose...

Страница 3: ...icity Ground the workbench by laying conductive material such as a conductive sheet or an iron plate over it before placing the traverse unit optical pickup on it 2 1 Ground the workbench 2 2 Ground yourself Use an anti static wrist strap to release any static electricity built up in your body In order to maintain quality during transport and before installation both sides of the laser diode on th...

Страница 4: ...es malfunction the laser is able to function 6 CAUTION Use of controls adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure VARNING Osynlig laserstrålning är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen AD...

Страница 5: ...ower amplifier IC Caution Be sure to replace the required fuses with designated ones Replacing the power amplifier IC on the main board See Figs 2 and 3 1 2 3 4 Remove the main board according to its disassembly method See Figs 18 and 19 From the reverse side of the main board remove the two screws A retaining the bracket See Fig 2 From the forward side of the main board remove the four screws B r...

Страница 6: ...rrow 1 until the claw b at the back of the right side plate is hooked by the bottom case and then lift the right side plate upward in the direction of the arrow 2 to remove it See Fig 5 Removing the left side plate See Figs 6 and 7 1 2 From the left side of the main body remove the three screws D and three screws E retaining the left side plate See Fig 6 Slide the left side plate toward the rear i...

Страница 7: ...from the connector on the cassette switch board See Fig 10 Remove the screw G retaining the holder on the earphone board See Fig 10 Disconnect the wires from the two connectors CN607 and CN608 on the CD MCU board See Figs 10 and 11 Remove the four screws H and the two screws J retaining the CD mechanism assembly from the left and right See Figs 10 and 11 Remove the screw K retaining the front cabi...

Страница 8: ...e left side of the main body remove the tie bands bundling the wires See Fig 14 Disconnect the wire from the connector CN902 on the power board See Fig 14 From the left and right sides of the main body remove the four screws L retaining the CD rear mounting bracket See Figs 14 and 15 Slide the CD mechanism assembly toward the front in the direction of the arrow and remove it from the locking board...

Страница 9: ...he AM and FM antenna boards See Fig 19 From the rear side of the main body remove the two screws Q and three screws R retaining the rear cabinet See Fig 18 Remove the screw S and screw S retaining the FM antenna board and earth wire See Fig 18 Remove the rear cabinet From the top side of the main body remove the wire clamp bundling the wires See Fig 19 Remove the screw T retaining the bracket of t...

Страница 10: ...ping gear holder and take out the damp gear Remove the two screws Z retaining the latching cam assembly and remove the latching cam assembly 1 2 Open the cassette door Slide the cassette door cover in the direction of the arrow and disengage the two claws e and the two claws f on the left and right of the cassette door cover from the technical door Note Use the following procedure to remove only t...

Страница 11: ...he two screws AA retaining the logic deck bracket See Fig 23 While pushing the arm section h of the technical door in the direction of the arrow remove the shaft section i of the technical door from the front cabinet assembly See Fig 23 While pushing the arm section j of the technical door in the direction of the arrow remove the shaft section k of the technical door from the front cabinet assembl...

Страница 12: ...the card wire from the connector CN704 on the CD MCU board and take out the CD MCU board See Fig 2 Remove the left and right side plates Remove the top cabinet Remove the front cabinet assembly Remove the CD mechanism assembly CD mechanism section Removing the CD pickup assembly See Fig 3 1 2 Remove the CD MCU board From the back side of the CD mechanism assembly remove the four screws B retaining...

Страница 13: ... the direction of the arrow and lower the CD pickup assembly See Fig 5 Pull out the tray See Fig 5 While opening up the claws e at the left and right of the tray in the directions of the arrows remove the tray See Fig 6 While pushing the claw f on the CD mechanism assembly downwards slide the elevator fully in the direction of the arrow See Fig 7 Lift the gear slightly remove the transparent cover...

Страница 14: ...Fig 9 Pull out the tray See Fig 10 Remove the slit washer retaining the feed middle gear and take out the feed middle gear See Fig 10 Loosen the two screws D retaining the shaft See Fig 10 Turn the CD pickup unit upside down and apply solder to the short land part a See Fig 11 Disconnect the card wire from the CD pickup unit and replace the unit See Fig 11 Note Use the following procedure to repla...

Страница 15: ...1 Frequency counter meter 12 Test tape VT712 For tape speed and wow flutter VT724 For reference level VT702 For playback frequency VT702 For head azimuth adjustment 13 Blank tape TAPE AC 225 Measurement conditions Power supply voltage AC220 240V 50Hz 60Hz Measuring instruments Radio section FM 1kHz 22 5kHz deviation FM STEREO 1kHz 67 5kHz deviation pilot signal 7 5kHz AM 1kHz 30 modulation Referen...

Страница 16: ...en 1kHz and 8kHz 0 3dB 6dB Set the TUNER or CD function and with TAPE to record Check to see if the frequency at the measuring point P201 is 68kHz 1kHz 1kHz if not adjust L203 until the frequency counter indicates 68 kHz 1kHz 1kHz Tape Normal Signal output terminal Cassette REC PLAY HEAD Bias frequency check L203 P201 See Fig 3 on page 1 17 At TUNER set the BAND to the FM position and record the r...

Страница 17: ...al CASSETTE MOTOR Tape Speed Adj Location of adjusting parts Cassette mechanism section Fig 2 Main board Fig 3 AM VT R121 T101 AM IF L104 114kHz IC101 TA2099 L103 AM RF TC101 AM RF L102 AM OSC P201 BIAS FREQUENCY L203 BIAS FREQUENCY ADJ ...

Страница 18: ...ted circuit boards section Turn on focus servo Disc spinning Radial_error scaling Check that the voltage at the pin1 and pin2 of CN703 is 0 65V Before connecting a measuring instrument to the measuring point turn the power of the main unit to OFF After performing a measurement and before disconnecting the measuring instrument again turn the power of the main unit to OFF If a measuring instrument i...

Страница 19: ... of the laser diode When the life of the laser diode has expired the following symptoms will appear The level of RF output EFM output ampli tude of eye pattern will below Is the level of RF OUT under 1 25V 0 22Vp p Replace it NO YES O K 3 Semi fixed resistor on the APC PC board The semi fixed resistor on the APC printed circuit board which is attached to the pickup is used to adjust the laser powe...

Страница 20: ...2 Intermediate frequency tuning faulty Poor contact in FM antenna circuit No sound weak sound Low sensitivity FM Connect the built in or external antenna Replace or repair the switch Check voltages Replace if necessary Check voltages Replace if necessary Readjust see Adjustment method Resolder or repair as required Dirty capstan or head Irregular cassette tape winding Defective IC201 Defective IC2...

Страница 21: ...flag output terminal At H level AOUT output is made to correction impossibility by C2 correction processing Not connect Subcode Q data CRCC check adjusting result output terminal The adjusting result is OK at H level Not connect Subcode P W data readout clock input output terminal This terminal can select by command bit Not connect Digital power supply voltage terminal Digital ground terminal Subc...

Страница 22: ...terminal Tracking servo equalizer output terminal Analog reference voltage supply terminal RF amplitude adjustment control signal output terminal Tracking balance control signal output terminal Feed equalizer output terminal Speed error signal or feed search equalizer output terminal Not connect Disk equalizer output terminal PWM carrier 88 2kHz for DSP Synchronize to PXO Analog double reference v...

Страница 23: ...ital power supply voltage terminal Oscillator ground terminal for system clock Crystal oscillator connecting input terminal for system clock Crystal oscillator connecting output terminal for system clock Oscillator power supply voltage terminal for system clock Analog ground terminal for DA converter R ch R channel data forward output terminal Analog supply voltage terminal for DA converter Refere...

Страница 24: ...ide Solenoid output for deck B Mode switch input of deck B Low means the head is up TC9422F volume STB output Power output control Half switch input of deck B Low means deck B have tape Jog dial input and TC9422F volume data output Jog dial input and TC9422F volume clock output BU1923F RDS demodulator interface CLK input Motor output Reel pulse input of deck B Have pulse input means the tape is ro...

Страница 25: ...nd 56 Not connect LCD common outputs LCD drive power supply TC9257P PLL interface TC9257P PLL interface TC9257P PLL interface VDD 5V O O I O I O I O I O O O I I I I I I I I I O O I O O O CCE BUCK BUS0 BUS1 BUS2 BUS3 TRAY IN SLOUT TRAY OUT SLIN SLT CLT SLEND N C RDS DATA STEREO POWER DETECT AD K3 AD K2 AD K1 VAREF BOOT VSS VDD SEG39 SEG0 COM3 COM0 VLC PLL DATA PLL CLK PLL PERIOD VDD 31 32 33 34 35 ...

Страница 26: ... input Not connect Left channel output Left channel ALC input Ripple filter Power supply Pin No Symbol Function I O I I I I O I I O 14 13 12 11 10 9 1 2 3 4 5 6 Ripple Filter Amp Ch2 8 ALC 7 GND Vcc Amp Ch1 1 Terminal layout 2 Block diagram 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 OUT B VCC A OUT A Vcc GND A MUTE A IN A IN A Standby A GND B MUTE B IN B IN C22B Standby B VCC B O O I I I I B output A V A...

Страница 27: ...lator quality good HI Not connect Demodulator data 1 2 VDD1 see application Composite see application Analog power supply Analog power supply Analog power supply See application H Internal clock stop L Operation Testing do not use Digital power supply Digital power supply 4 332MHz see application 4 332MHz see application Not connect 1187 5Hz Pin No Symbol I O Function 4 3 5 6 12 11 13 14 10 9 16 2...

Страница 28: ...put for CH1 Input reference voltage Output reference voltage Input for CH2 Non inverted output for CH2 Supply terminal of output stage for CH2 Inverted output for CH2 Power GND Power GND Inverted output for CH3 Supply terminal of output stage for CH3 Non inverted output for CH3 Input for CH3 Supply terminal of small signal GND Small signal GND Input for CH4 Non inverted output for CH4 Supply termi...

Страница 29: ... Ground IF count output terminal Connect tuner LED Connect stereo LED R CH output signal terminal L CH output signal terminal FM blender control adjust terminal LPF terminal for synchronous LPF terminal for phase detector FM ST DET input terminal AM DET output terminal FM DET output terminal FM demodulator AM IF input signal terminal Set to 2V internally AM MIX output terminal FM IF input signal t...

Страница 30: ...al Laser diode control signal input terminal and APC circuit ON OFF control signal terminal SEL level APC circuit LDO Detect frequency GND OFF Connected to Vcc through Low resistor 1kohm Hiz ON Control signal output Low Vcc ON Control signal output High Tracking error balance adjustment signal input terminal Controlled by 3 PWM signals PWM carrier 88 2kHz Reference voltage 2VRO output terminal 2RV...

Страница 31: ...ction Input terminal for track count signal output amplifier Output terminal for RF signal amplitude adjustment amplifier Amplifier AGC FE TE gain switching terminal GVSW Mode GND CD RW Hiz Normal Vcc Normal Input terminal for RF signal amplitude adjustment amplifier Output terminal RF signal amplifier Ground terminal Input terminal for RF signal amplifier I O O I O I I O I I O I Pin No Symbol I O...

Страница 32: ...3 22 21 20 19 18 17 26 25 27 LATCH DECODER CIRCUIT 32BIT SR GND VDD L IN1 L IN2 L IN3 L IN4 Vref CK DATA STB R T1 R TONE OUT R B3 R B2 R B1 R VR IN R SW OUT R IN4 R IN3 R IN2 R IN1 INPUT SELECTOR 100k MAIN VR 50k 64STEP 50k BASS VR 50k 16STEP TREBLE VR 50k 16STEP 750 500 13k GAIN CONTROL 0 6 12 18dB CAPACITOR FOR OSCILLATION 50k 1k 13k 6 L SW OUT 7 L VR IN 8 L B1 9 L B2 10 L B3 11 L TONE OUT 12 L ...

Страница 33: ... for bus Tone control tap pin 2 for bus Tone control tap pin 3 for bus Tone control output pin L ch Tone control tap pin for treble L ch Reference voltage input pin Clock input pin Data input pin Strobe input pin Tone control tap pin for treble R ch Tone control output pin R ch Tone control tap pin 3 for bus Tone control tap pin 2 for bus Tone control tap pin 1 for bus Main volume input pin R ch A...

Страница 34: ... I O PORT 1ms FM MODE LF 4 12 15 OSC 1ms GATE AMP AMP XT OT4 4 4 4 4 10 24 22 5 5 20 FM VT TRI STATE BUFFER 10 ST MONO 11 EE 16 IF 17 B0 18 B1 Pin No Symbol I O Function XT XT PRD CLK DATA MUTE TUNER CD AUX ST MONO 1 2 3 4 5 6 7 8 9 10 Crystal oscillator pins Crystal oscillator pins Period signal input Clock signal input Serial data input output General purpose output port General purpose output p...

Страница 35: ...42022 21 P N OW29 21400 01 P N OW20 62023 06K P N OW20 41102 27 P N OW20 41063 03 P N OW20 41082 39 P N OW20 61033 27 P N OW20 41042 35 P N OW20 42051 36 P N OW20 51061 11 P N OW25 61080 01 Tray motor board P N OW20 41022 25 P N OW20 42032 13 P N OW20 42021 48 P N OW30 00020 06E P N OW20 41032 17 P N OW25 23070 02K P N OW20 41092 43 P N OW20 41062 26 Power transformer CN302 P N OW94 33439 01 P N O...

Страница 36: ...UX M55 VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK BUSINESS UNIT 10 1 1Chome Ohwatari machi maebashi city 371 8543 Japan 200301 No 21190 ...

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