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10

 

CR-305X

IC BLOCK DIAGRAM AND DESCRIPTIONS

V

EE

V

EE

TM3

TM5

TM2

TM3

FSET

TM6

TM4

V

CC

V

CC

V

CC

ISET

TN1-7

PS1-4

TTL

IIL

IIL

TTL

CC1

DFCT1

DFCT

IIL

TTL

V

CC

CC1

CC2

FOK

RF

-I

CP

CB

V

CC

V

EE

V

EE

V

EE

LEVEL S

MIRR

MIRR

TGFL

LPC

IIL DATA REGISTER
INPUT SHIFT REGISTER
ADDRESS DECODER
SENS SELECTOR
OUTPUT DECODER

DFCTO

IFB1-6
BAL1-4
TOG1-4

FS1-4

TG1-2

V

CC

FS1

FS2

Charge

up

TG2

SRCH

TGU

TG2

FSET

TA

-M

V

EE

FLB

FE

-O

FE

-M

FOCUS
PHASE COMPENSATION

TRACKING
PHASE COMPENSATION

FOH

FOL

TGH

TGL

BALH

BALL

ATSC

TZC
FZC

LDON

LPCL

FOK

V

CC

FO.BIAS
WINDOW COMP.

RF SUMMING AMP

RFTC

RF

-M

RF

-O

PD

LD

V

EE

V

CC

APC

LASER POWER CONTROL

V

EE

V

CC

FE AMP

IFB1

IFB2

IFB3

IFB4

IFB5

IFB6

V

EE

TRK.GAIN
WINDOW COMP

TM1

TG1

FS4

DFCT

TA

-O

FEO

FEI

FDFCT

FGD

DFCT

E-F BALANCE
WINDOW COMP.

TGFL

BAL3

BAL4

PD1 IV
AMP

FZC COMP.

V

EE

V

CC

V

CC

TZC COMP.

ATSC
WINDOW
COMP.

TO

G

1

TO

G

2

TO

G

3

TO

G

4

BAL1

BAL2

V

EE

E IV AMP

F IV AMP

PD2 IV
AMP

PD1

PD2

FE-BIAS

F

E

EI

TEO

V

EE

LPFI

TEI

ATSC

TZC

TDFCT

VC

FZC

SL-P

SL-M

SL-O

ISET

V

CC

XLT

CLK

LOCK

DATA

XRST

C.OUT

SENS1

SENS2

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

Q101:CXA1992BR (RF Signal Processing Servo Amplifier)

          Block Diagram

Summary of Contents for CR-305X

Page 1: ...board view 1 Schematic diagram CD Microprocessor section Printed circuit board view 2 Printed circuit board view 3 CD Adjustment procedures Clock adjustment procedures Assembling of pad packing view 2...

Page 2: ...6 0 dB 2 80 Hz 7 5 dB 3 40 Hz 10 dB 80 Hz 8 0 dB 4 40 Hz 10 dB 80 Hz 8 0 dB 10 kHz 4 5 dB Single to Noise Ratio 100 dB IHF A Muting 55 dB CD PLAYER Signal Readout System Optical non contact Reading Ro...

Page 3: ...SERVE FROM A DISTANCE OF MORE THAN 30cm FROM THE SURFACE OF THE OBJECTIVE LENS ON THE OPTICAL PICK UP BLOCK Laser Diode Properties Material GaAS GaALAs Wavelength 780nm Emission Duration continuous La...

Page 4: ...emory are initialized and will return to the factory settings 2 To initialize the unit 4 Memory Preservation This unit does not require memory preservation batteries A built in memory power back up sy...

Page 5: ...8 DATA 7 26 SENS2 Q184 Q186 CD MUTNG SWITCH SQCK 4 SENS 6 SQSO 5 Q703 SYSTEM RESET U10 TUNER UNIT INITIALIZING FM AM BAND CD TRAY OPEN CLOSE DETECTOR SWITCH 5V POWER FAILURE DETECTOR RCLK PLL RDATA Q7...

Page 6: ...Power failure input pin Sub clock connection pin Not used Gound pin Master clock connection pin Master clock connection pin Serial clock output pin to PLL and function switch ICs TC9273 TC9162 Serial...

Page 7: ...FOK VCC FO BIAS WINDOW COMP RF SUMMING AMP RFTC RF M RF O PD LD VEE VCC APC LASER POWER CONTROL VEE VCC FE AMP IFB1 IFB2 IFB3 IFB4 IFB5 IFB6 VEE TRK GAIN WINDOW COMP TM1 TG1 FS4 DFCT TA O FEO FEI FDF...

Page 8: ...23 XRST I Reset input resets at Low no pull up resistance 24 C OUT O Track number count signal output 25 SENS1 O Outputs FZC DFCT1 TZC BALH TGH FOH ATSC and others according to the command from CPU 26...

Page 9: ...DATO XLTO CLKO SENS DATA XLAT CLOK XLON SCOR SBSO EXCK SQSO SQCK MDP DOUT LOUT2 AIN2 AOUT2 LOUT1 AIN1 AOUT1 XTSL VPCO VCKI V16M VCTL XUGF GFS EMPH WFCK C2PO LRCK PCMD BCK EMPHI LRCKI PCMDI BCKI SYSM R...

Page 10: ...ed to MNT1 or RFCK output by a command XPLCK output Switched to MNT0 output by a com mand GFS output Switched to MNT3 or XRAOF output by a command C2PO output Switched to GTOP output by a com mand Cry...

Page 11: ...EVEL SHIFT AND SHIFT REGISTER S1 S2 S3 S4 S5 S6 S7 OUT S8 S9 OUT S1 S2 S3 S4 S5 S6 S7 OUT S8 S9 OUT 10BITS LATCH CIRCUIT 10BITS LATCH CIRCUIT 2 3 4 5 6 7 8 9 10 11 12 13 15 16 17 18 19 20 21 22 23 24...

Page 12: ...ric potential 24 GND GND minimum electric potential 25 V O 7 BTL AMP 4 output inverting side 26 V O 8 BTL AMP 4 output non inverting side 27 VG4 BTL AMP 4 input for gain control 28 V IN 4 BTL AMP 4 in...

Page 13: ...END REC SLEEP C D MEMORY REPEAT RANDOM RDS PM AM S BASS DIRECT a b c d e f g h j k m n p r 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G Q751 10BT 167GK FL TUBE 10G 9G 8G 7G 6G 5G 4G 3G 2G 1G P1 a a a a a a a a P2...

Page 14: ...34 01 Insulator 17 KSM 213CCM 18 2625 552 06 Main chassis 19 3319 501 51 PTPWH2 6 16 Screw 20 2625 547 01 Drive Gear 21 2625 545 04 Control cam 22 1692 667 11 Leaf switch 23 1564 721 11 Socket 24 1640...

Page 15: ...Label 1 25A UL T 237 Fuse D DT 0 4A SE EAW Fuse P GR GT NSAS 10P0654 Socket NSAS 12P0723 Socket NCFC7 161012 Flexible flat cable NCFC2 161022 Flexible flat cable NCFC7 360612 Flexible flat cable NCFC...

Page 16: ...9 12 14 20 22 24 25 31 41 43 46 47 F901 P302 P303 P351 P352 P701 P778 P901 D DT type Q557 Q558 Q559 Q560 Q557A Q557B T901 Z1 Z2 Z5 Z3 Z6 52 55 53 U1 U2 U3 U4 U5 U6 U8 U9 U10 33 6 6 6 6 6 23 6 6 16 6...

Page 17: ...9 RI 12V 57 OPEN 58 CLOSE NC CLK DATA ST RI VOL DOWN VOL UP MUTE POWER P404B B L LNF L GND GND R RNF R B JL501A NC CLK DATA ST RI VOL DOWN VOL UP MUTE POWER P404 P403B TU R GND TU L GND MDREC R GND MD...

Page 18: ...5 O or 2SA965 Y CIRCUIT NO C551 C552 C553 C554 R557 R558 R559 R562 R563 R564 JL501B JL504A JL551A SPEAKER TERMINAL PC BOARD NAETC 6881 1A 1B 1C 1D CIRCUIT NO L551 L552 R565 R566 JL405A JL551B JL552A P...

Page 19: ...30 CR 305X 29 1 2 3 4 5 A B C D E F G SCHEMATIC DIAGRAM AMPLIFIER SECTION H P3 4 5 G P34 3 G P34 5 G P 30 1 H P 30 2 H P34 3 G P33 4 C P 29 5 B P 29 5 A CR 305X...

Page 20: ...mponent side Soldering side U5 Component side Soldering side U6 Component side Soldering side PRINTED CIRCUIT BOARD VIEW 1 POWER SUPPLY PC BOARD NAPS 6878 SELECTOR CIRCUIT PC BOARD NAAF 6874 SPEAKER T...

Page 21: ...34 33 CR 305X CR 305X 1 2 3 4 5 A B C D E F G SCHEMATIC DIAGRAM CD MICROPROCESSOR SECTION P34 5 G P29 4 D P 33 4 B P 29 3 A P 29 3 B P 30 5 E P 29 3 B...

Page 22: ...35 36 CR 305X 1 2 3 4 5 A B C D E F G PRINTED CIRCUIT BOARD VIEW 2 DISPLAY CIRCUIT PC BOARD NADIS 6879 U3 Component side Soldering side CD CIRCUIT PC BOARD NAAR 6875 U8 Component side...

Page 23: ...B C D E F G PRINTED CIRCUIT BOARD VIEW 3 POWER AMPLIFIER PC BOARD NAAF 6880 U4 Component side Soldering side CD CIRCUIT PC BOARD NAAR 6875 U8 Soldering side CONNECTOR PC BOARD NAETC 6883 U9 Component...

Page 24: ...AIN TEST POINT P104 Trimming resistor R123 Audio oscillator GND Oscilloscope ch 2 GND ch 1 GND 1 2 RF VC 1 4 3 2 FE1 FE2 TE1 TE2 Test point P105 Test point P104 Fig 1 Fig 2 The adjustment of focus off...

Page 25: ...roller Battery UM 3 NMA 3057 AM Loop antenna 17 18 20 22 29100097 1A 292142 292116 29342905 29342906 29342907 29342926 25065462 Poly bag 350 250 FM antenna D FM antenna GR GT P DT Instruction manual E...

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