JVC CA-MXK3 Скачать руководство пользователя страница 32

MX-K3

1-32

80~61

21~40

1

20

60

41

1

BCLK

2

LRCK

3

SRDATA

4

DVDDI

5

DVSSI

6

TX

7

MCLK

8

MDATA

9

MLD

10 SENSE
11 FLOCK
12 TLOCK
13 BLKCK

14 SQCK

15 SUBQ
16 DMUTE
17 STAT
18 RST
19 SMCK
20 PMCK
21 TRV
22 TVD
23 PC
24 ECM

25 ECS

26 KICK
27 TRD
28 FOD
29 VREF

30 FBAL

31 TBAL

32 FE

33 TE

34 RFENV

35 VDET

36 OFT

37 TRCRS
38 /RFDET

39 BDO

40 LDON

41 PLLF2
42 TOFS
43 WVEL
44 ARF
45 IREF
46 DRF
47 DSLF
48 PLLF
49 VCOF
50 AVDD2

51 AVSS2
52 EFM
53 PCK
54 VCOF2

55 SUBC
56 SBCK
57 VSS

58 X1

59 X2

60 VDD

61 BYTCK/TRVSTP
62 CLDCK

63 FCLK
64 IPFLAG

65 FLAG

66 CLVS
67 CRC
68 DEMPH

69 RESY
70 IOSEL

71 /TEST

72 AVDD1

73 OUTL
74 AVSS1
75 OUTR
76 RSEL

77 CSEL

78 PSEL

79 MSEL

80 SSEL

Pin

No

Symbol

Function

Pin

No

Symbol

Function

1. Terminal layout

2. Pin function

MN662748RPM (IC601) : Digital servo & digital signal processor

I/O

I/O

-
-
-
-
-
-
I

I

I

-
-
-

O

I

O

I

O

I
-
-

O
O

-

O

O

O
O
O

I

O

O

I

I

I

I

I

I
I

I

O

Not use
Not use
Not use

Power supply for digital circuit

GND for digital circuit
Not use
Micro computer command
clock signal input
Micro computer command
data input
Micro computer command 
load signal input (L: Load)
Not use, connect to TP7
Not use, connect to TP6
Not use, connect to TP5
Sub code block clock 
signal output
External clock input for sub 
code Q register input
Sub code Q data output
Muting input (H: Mute)
Status signal input
Reset signal input (L: Reset)
Not use
Not use, connect to TP8
Traverse enforced output 
Traverse drive output
Not used
Spindle motor drive signal
(Enforced mode output)
Spindle motor drive signal
(Servo error signal output)
Kick pulse output
Tracking drive output
Focus drive output
Reference voltage 
for D/A output block
Focus balance adjust 
signal output
Tracking balance adjust
signal output
Focus error signal input
(Analog input)
Tracking error signal input
(Analog input)
RF envelope signal input
(Analog input)
Vibration detect signal
input (H:Detect)
Off track signal input
(H:Off track)
Track cross signal input
RF detect signal input
(L:Detect)
Drop out signal input
(H:Drop out)
Laser on signal output
(H:ON)

-
-
-
I
I
I

I/O
I/O
I/O

-

-
-

O

I/O

-
-
-

I

O

-

-

O

-

O

O

-
-

O

-
I

I

-

O

-

O

I

I

I

I

I

Not use
Not use
Not use
RF signal input
Reference current input
Bias pin for DSL
Loop filter pin for DSL
Loop filter pin for PLL
Loop filter pin for VCO
Power supply for analog
circuit
GND for analog circuit
Not use, connect to TP12
Clock output for PLL
Loop filter pin for Digital
servo VCO
Not use
Not use
GND for crystal oscillation
circuit
Input for crystal oscillation
circuit (f=16.9344MHz)
Output for crystal oscillation
circuit (f=16.9344MHz)
Power supply for crystal
oscillation circuit
Not use 
Sub code frame clock
signal output
Not used
Interpolation flag signal
output, Connect to TP11
Flag signal output,
Connect to TP10
Not use
Not use
De-emphasis detect signal
output, Connect to TP9
Not use
Mode select pin, Connect
to DVDD1 (H fix)
Test pin, Connect to
DVDD1 (H fix)
Power supply for analog
circuit
L-channel audio output
GND for analog circuit
R-channel audio output
RF signal polarity setting pin,
Connect to DVDD1 (H fix) 
Oscillation frequency setting
pin, Connect to GND (L fix)
IOSEL=H, Test pin,
Connect to GND (L fix)
IOSEL=H, SMCK output,
Frequency select pin

IOSEL=H, SMCK output,
SUBQ output mode select pin

Содержание CA-MXK3

Страница 1: ...entina ACTIVE BASS EX COMPACT COMPONENT SYSTEM MX K3 STANDBY ON STANDBY PHONES REPEAT PROGRAM RANDOM STOP REC START DUBBING REC START CD CLOCK TIMER TAPE A B DISC SKIP EJECT PLAY A REC PLAY B CD CONTROL C D 1 A U X F M A M C D T A P E C D 2 C D 3 CD R RW PLAYBACK CANCEL SET PRESET TUNNIG DEMO FULL LOGIC CONTROL CD SYNCHRO RECORDING EJECT R O C K CLASSIC P O P V O LUME 3 CD PLAY EXCHANGE SOUND MODE...

Страница 2: ...et 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 exposed metal part having a return path to th...

Страница 3: ...ing är denna del är öppnad och spårren är urkopplad Betrakta ej strålen VARO Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle Älä katso säteeseen ADVARSEL Usynlig laserstråling ved åbning når sikkerhedsafbrydere er ude af funktion Undgå udsættelse for stråling ADVARSEL Usynlig laserstråling ved åpning når sikkerhetsbryteren er avslott unngå utsettelse for stråli...

Страница 4: ...optical pickup The tester s internal power source can easily destroy the laser diode 4 Handling the CD changer unit optical pickup 1 Do not subject the CD changer unit optical pickup to strong shocks as it is a sensitive complex unit 2 Cut off the shorted part of the flexible cable using nippers etc after replacing the optical pickup For specific details refer to the replacement procedure in the t...

Страница 5: ...moving the earphone jack board 1 13 Removing the mic amp board 1 14 Removing the control FL board 1 14 Removing the key switch board and ACTIVE BASS EX switch board 1 15 Removing the cassette deck main motor and replacing the main belts 1 16 Removing the leaf switches of the cassette deck mechanism 1 16 Removing the cassette deck heads 1 17 Chassis unit 1 17 Removing the 3 pin regulator 1 17 Remov...

Страница 6: ...he heat sink cover to the rear panel Pull the heat sink cover outward Remove the two screws B from the bracket that retains the power IC Remove the solder fixing the power IC Replacing the power IC See Fig 2 to 4 Fig 4 Fig 1 Fig 3 Fig 2 Disassembly of the main blocks of this set Replacement of the fuses and the power IC B A Heat sink Amp board Fuse F951 2 0A 250V Fuse F953 1 25A 250V Power trans b...

Страница 7: ...e six screws C that retain the top cover from the rear of the body Remove the two screws D and two screws E retain the top cover from the two sides of the body Remove the top cover from the body by lifting it toward the rear Fig 6 C C C Top cover Front panel assembly D E ...

Страница 8: ... connectors CN307 and CN308 on the main board which is located below the CD changer unit Disconnect the card wires from the connectors CN301 CN302 CN305 and CN306 on the main board Disconnect the parallel wires from the connectors CN902A CN902B and CN902C on the power amp and supply board From the rear of the set remove the two screws F retaining the CD changer unit then remove the four screws G r...

Страница 9: ...mp board Remove the two screws H retaining the front panel assembly onto the bottom of the body Remove the screw I retaining the cassette deck mechanism and then remove the GND lug b that comes from the amp board Disengage the claws c on both sides at the bottom of the front panel assembly and then remove the assembly Removing the front panel assembly See Fig 11 and 12 Fig 12 H I Amp board Control...

Страница 10: ...crew with the washer K that retain the main board should be removed Remove the main board by pulling it toward the side where the CN601 is located Using solder short the CD pickup to connect to short round Disconnect the card wire from the connector CN601 on the main board and then remove the main board Removing the main board See Fig 13 and 14 Fig 14 Disassembly of units and assembly inside this ...

Страница 11: ...bly Remove the two screws with the washer L retaining the CD changer mechanism assembly Removing the CD changer mechanism assembly See Fig 15 to 17 Fig 17 Fig 16 Caution When replacing the CD changer mechanism assembly be sure not to mistake the positions of the red and blue dampers Note When re assembling after the disassembly work apply bonding agent on the spring to prevent it from slipping off...

Страница 12: ... unit 1 2 3 4 5 6 Remove the two screws N retaining the stopper brackets on both sides of the CD changer unit Remove the stopper brackets from both sides of the CD changer unit Pull out the CD tray from the CD changer unit all the way and then lift the tray upward to remove Turn the CD tray upside down and remove the tray rotor belt from the pulley Turn the CD tray upside down and disconnect the c...

Страница 13: ...ck of the front panel assembly Removing the cassette deck mechanism See Fig 22 Prior to performing the following procedure remove the top cover Also remove the CD changer unit Also remove the front panel assembly 1 Remove the screw with the washer Q that retains the earphone jack board from the back of the front panel assembly Removing the earphone jack board See Fig 23 P P Front panel assembly Wi...

Страница 14: ... R that retains the mic amp board Removing the mic amp board See Fig 24 and 25 Prior to performing the following procedure remove the top cover Also remove the CD changer unit 1 Remove the three screws S that retain the control FL board from the back of the front panel assembly Removing the control FL board See Fig 26 Fig 24 Fig 25 Fig 26 S Mic level knob Front panel assembly Control FL board Fron...

Страница 15: ...me knob shaft Remove the three screws S retaining the control FL board from the back of the front panel assembly Remove the control FL board Remove the eleven screws T retaining the key switch board Remove the two screws U retaining the ACTIVE BASS EX switch board Removing the key switch board and ACTIVE BASS EX switch board See Fig 26 to 29 Fig 28 Fig 29 T T U ACTIVE BASS EX switch board Key swit...

Страница 16: ...gths of the cassette A playback only and cassette B record play main belts are different When attaching the main belts use the longer belt for cassette A Prior to performing the following procedures remove the top cover Also remove the CD changer unit Also remove the front panel assembly 1 2 3 4 5 Remove the five screws P that retain the cassette deck mechanism Remove the cassette deck mechanism T...

Страница 17: ...ew X that retains the head Hold the head and slide it in the direction of the arrow to remove it Removing the cassette deck heads See Fig 22 and 33 Fig 35 Prior to performing the following procedures remove the top cover 1 2 3 4 Remove the two screws A connecting the heat sink cover to the rear panel Pull the heat sink cover foward you Remove the screw Y that retains the bracket holding the 3 pin ...

Страница 18: ...w AB that retain the voltage selector board Except UP UY Disconnect the parallel wires from the connectors CN951A and CN951B on the amp board Remove the screw AC that retain the amp board and then remove the assembly Remove the solders j connecting the six wires Remove the four screws AD that retain the AC power board and then remove the assembly Removing the amp board the voltage selector board a...

Страница 19: ...cement 22 5kHz Frequency Range AM 522kHz 1629kHz at 9kHz channel space FM 87 5MHz 108MHz Standard measurement positions of volume and switch Power Standby Light STANDBY Indicator A BUSS switch OFF Sound mode OFF Main VOL maximum Travers mecha set position Disc 1 Mic MIX VOL MAX ECHO OFF Precautions for measurement 1 Apply 30pF and 33kohm to the IF sweeper output side and 0 082 F and 100kohm in ser...

Страница 20: ...coil L301 Use the High Impedance Probe for Frequency counter input Cassette Head Azimuth Alignments Recording Bias Frequency Alignment Items Measurement conditions Measurement method Standard values Adjusting positions OSC coil adjustment 1 Set the Signal Generator signal to 530KHz the feed to Loop Antenna 2 Receiving the signal and the adjust the OSC coil L2 obtain the V T is 1 40V 0 05V Antenna ...

Страница 21: ...Automatic measurement of TE amplitude and automatic tuning of TE balance 500mv div 2ms div Fig 1 Approx 3sec pin 20 of IC611 TE Approx 1 8V VREF Tracking error waveform at TOC reading Power ON Play Key Confirm that the Focus error S cuve signal at the pin32 of IC601 is approx 2Vp p Confirm that the signal from pin24 IC601 is 0V as a accelerated pulse during approx 400ms Confirm the waveform of the...

Страница 22: ... of the laser diode has expired the following symptoms will appear 1 The level of RF output EFM output ampli tude of eye pattern will below Is the level of RFOUT 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 power Since this adjustment should b...

Страница 23: ...necting terminal for HPF Amp 10 3TOUT O 3 TENV output terminal 11 CBOO I Capacitor connecting terminal for envelope detection on the darkness side 12 BDO O BDO output terminal 13 COFTR I Capacitor connecting terminal for envelope detection on the light side 14 OFTR O OFTR output terminal 15 NRFDET O NRFDET output terminal 16 GND Ground 17 VREF O VREF output terminal 18 VDET O VDET output terminal ...

Страница 24: ...OUT2 O CH2 positive output 5 IN2 I CH2 input 6 IN1 I CH1 input 7 VCC Power supply terminal 8 VCC Power supply terminal 9 REG I I Regulator current detection terminal 10 REG B O Connect to base terminal of external transistor 11 REG OUT O Constant voltage output Connect to collector terminal of external transistor 12 IN3 R I CH3 reverse input 13 IN3 F I CH3 forward input 14 OUT3 O CH3 positive outp...

Страница 25: ...oltage input terminal 13 FM_DET O FM detection signal output 14 ST MON_SW I Stereo Monaural switching signal input 15 AM FM_SW I AM FM switching signal input 16 L_OUT O Output L channel 17 R_OUT O Output R channel 18 MPX_IN I Multiplex signal input 19 DET_OUT O AM FM detection output 20 FM_OSC FM local oscillation circuit 21 VCC_2 Power supply terminal 22 FM_RFOUT O Output of FMRF signal 23 GND_2 ...

Страница 26: ...pen state after the power on reset Input output port Input output port Data input output Function IF counter signal input IF signal output Not use AM Local OSC signal output FM Local OSC signal input Power supply VDD 4 5 5 5V When power ON Reset circuit move PLL charge pump output H Local OSC frequency Height than Reference frequency L Low Agreement Height impedance Output for active lowpassfilter...

Страница 27: ...nal for recording amp 16 REC_OUT2 O Output for recording amp 17 CG O Charge detection terminal 18 VCC Power supply terminal 19 A B_SW I REC amp Select switch A cassette B cassette 20 PREOUT2 O Output terminal for playback amp 21 EQ2 O Metal output for playback amp 22 NF2 I NF terminal for playback amp 23 CH2_B I Input for playback amp Ch2 B cassette REC PB 24 CH2_A I Input for playback amp Ch2 A c...

Страница 28: ...C OE Q5 Q6 Q7 Q8 Q S QS Ø Ø Ø Ø Ø Ø ØS D LATCH F F 2 SI D Q Q 3 CK Ø Ø 1 ST 15 OE Q ØS Q D Ø Ø F F ØS ØS D Q ØS ØS LATCH 4 Q1 5 Q2 D Q Q Ø Ø F F D Q ØS ØS LATCH 6 Q3 D Q Q Ø Ø F F D Q ØS ØS LATCH 7 Q4 D Q Q Ø Ø F F D Q ØS ØS LATCH 14 Q5 D Q Q Ø Ø F F D Q ØS ØS LATCH 13 Q6 D Q Q Ø Ø F F D Q ØS ØS LATCH 12 Q7 D Q Q Ø Ø Ø Ø F F D Q ØS ØS LATCH 11 Q8 QS 9 Q S 10 ...

Страница 29: ...T MULTIPLEXER GAIN BASS BIN L BASS SPKR ATT RIGHT BOUT R BIN R SUPPLY CREF AGND VS 27 4 5 6 7 3 2 1 28 21 22 20 26 24 25 10 11 19 12 13 23 8 9 18 14 15 RB RB VREF 2 Block diagram LIN3 LIN4 MUXO L IN L MUXO R BIN R IN R BOUT R BIN L 1 3 2 4 5 6 7 8 9 BOUT L N C N C TRE R TRE L SCL SDA DGND CREF 23 22 21 20 19 17 18 16 15 10 11 12 13 14 28 27 26 25 24 RIN3 RIN2 RIN1 LIN1 LIN2 VS AGND ROUT LOUT RIN4 ...

Страница 30: ... LOUT FK TK LIN BIAS GND RIN LP LP LP ROUT A B C Power supply Microphone mixing input Channel L output Non connect Non connect Channel L input Signal bias Connect to GND Channel R input Connects to LPF time constant element Connects to LPF time constant element LPF outpout Channel R output Mode select input A Mode select input B Mode select input C I O I I I O O O O I I I Pin No Symbol I O Descrip...

Страница 31: ...E CR Connect GND Echo level control Analog part DC bias DA side integrator output DA side integrator intput DA side LPF input DA side LPF output Mix AMP output for original tone echo tone Mix AMP input pin for original tone AD side LPF input AD side LPF output AD side integrator output AD side integrator input Power supply Mute control signal input CR pin for oscillator I I O I O O I I O O I I Pin...

Страница 32: ...rive signal Servo error signal output Kick pulse output Tracking drive output Focus drive output Reference voltage for D A output block Focus balance adjust signal output Tracking balance adjust signal output Focus error signal input Analog input Tracking error signal input Analog input RF envelope signal input Analog input Vibration detect signal input H Detect Off track signal input H Off track ...

Страница 33: ...p SW board Ass y Active bass EX Switch board Ass y W603 W606 Key switch board Ass y Control FL board Ass y FL TUBE Head phone board Ass y Parallel wire Card wire Parallel wire Card wire Card wire CN901 1 CN603 Color codes are shown below 1 Brown 2 Red 3 Orange 4 Yellow 5 Green 6 Blue 7 Violet 8 Gray 9 White 0 Black A FW701 FW701 FW702 2 FW702 1 1 1 9 2 9 9 6 9 4 CN308 CN307 9 4 0 0 2 0 9 9 0 2 2 9...

Страница 34: ...200106 S No 20994 MX K3 VICTOR COMPANY OF JAPAN LIMITED AUDIO COMMUNICATION BUSINESS DIVISION PERSONAL MOBILE NETWORK B U 10 1 1Chome Ohwatari machi maebashi city 371 8543 Japan ...

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