Aiwa AM-HX50 Service Manual Download | Manualshive

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31

RFVCC

ADIPCR

NC

WOO

WOI

SETR

CAD

BWCT

SLEEP

40

41

42

43

44

45

46

47

48

RF system power supply pin.

ADIP carrier signal output pin.

Not used.

Wobble signal output pin.

Wobble signal input pin.

Setting pin for band-pass filter.

The terminal to which external capacitor of DC-cut of the wobble signal is connected.

Band-pass filter switching pin of wobble signal.

Sleep mode pin. Power ON at SLEEP = High. Power OFF at SLEEP = Low.

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O

—

O

I

I

—

I

I

Pin No.

Pin Name

I/O

Description

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Summary of Contents for AM-HX50

Page 1: ...ZG 5 A MINIDISC PLAYER AM HX50 AM HX55 S M Code No 09 999 335 5R2 AHK1 S AHK1 L W SERVICE MANUAL R E V I S I O N D A T A This Service Manual is the Revision Publishing and replaces Simple Manual S M Code No 09 999 335 5T2 ...

Page 2: ... Dolby noise reduction manufactured under license from Dolby Laboratories Licensing Corporation DOLBY and the double D symbol are trademarks of Dolby Laboratories Licensing Corporation The word BBE and the BBE symbol are trademarks of BBE Sound Inc Under license from BBE Sound Inc ...

Page 3: ...que ceux spécifiés peut entraîner une dangereuse exposition aux radiations ADVARSEL Usynlig laserståling ved åbning når sikkerhedsafbrydereer ude af funktion Undgå udsættelse for stråling This Compact Disc player is classified as a CLASS 1 LASER product The CLASS 1 LASER PRODUCT label is located on the rear exterior This set employs laser Therefore be sure to follow carefully the instructions belo...

Page 4: ...he pickup by a solder bridge When the MAIN C B is attached remove the solder bridge 2 Remove the FFC of the CN300 CN700 and CN100 3 Remove the screw A 3 and screw B 1 4 Remove the battery lid and remove the MAIN C B while being careful of the BAT CONTACT When the MAIN C B is attached be careful of the BAT CONTACT B A A A BAT CONTACT MAIN C B HINGE ASSY BATT The BAT CONTACT is attached under the HI...

Page 5: ...the screw A 5 and unlock the claw B of the HLDR CTRG to remove the PANEL ASSY TOP 4 Removing the HLDR CTRG Remove the HLDR CTRG by bending both sides of the HLDR CTRG Be careful not to bend portion A A HLDR CTRG A A B B A A A PANEL ASSY TOP ...

Page 6: ... Remove the screw A 1 and screw B 2 2 Remove the MECHANISM while being careful not to catch the Headphones jack in the FRAME CENTER Be careful not bend the screw of the FRAME CENTER B B A Headphones jack MD MECHANISM FRAME CENTER ...

Page 7: ... 080 C CAP V 2200P 50 K B C403 87 A10 556 080 C CAP V 2200P 50 K B C404 87 A10 556 080 C CAP V 2200P 50 K B C405 87 A10 556 080 C CAP V 2200P 50 K B C406 87 A10 556 080 C CAP V 2200P 50 K B C407 87 A10 556 080 C CAP V 2200P 50 K B C408 87 A11 049 080 C CAP U 1 6 3 K B C409 87 A10 765 080 C CAP V 0 033 10 K B C410 87 A10 765 080 C CAP V 0 033 10 K B C411 87 A10 770 080 C CAP V 0 1 10 K B C412 87 A1...

Page 8: ...STOR PART CODE 0 55 Resistor Code Dimensions mm Symbol 1 16W 1005 5 CJ 1 0 0 5 0 35 104 L t W 2SJ347 C1 B2 E2 E1 B1 C2 RN4902 G D2 D1 D4 D3 S FDC633N FDC634P G D S E C B 2SA1588 2SA1832 2SC3265 DTA114TEA DTC114TEA FLEX JACK C B 8A HM3 601 010 PWB FLEX JACK FLEX KEY C B 8A HM3 602 010 PWB FLEX KEY Regarding connectors they are not stocked as they are not the initial order items The connectors are a...

Page 9: ...10 9 BLOCK DIAGRAM 7 27 EFMIN MOE MCAS MRAS MWE X200 16 93MHZ 72 S300 OPEN CLOSE P CONT ...

Page 10: ...12 11 WIRING 1 MAIN 14 13 12 11 10 9 8 7 6 5 4 3 2 1 A B C D E F G H I J ...

Page 11: ...14 13 1 2 3 4 5 6 7 8 9 10 11 12 13 14 A B C D E F G H I J ...

Page 12: ...16 15 SCHEMATIC DIAGRAM ...

Page 13: ...17 1 2 3 4 5 6 7 A B C D E F G H I J K WIRING 2 JACK FLEX 1 2 3 4 J701 C3 C2 C1 TO FROM MAIN C B CN700 1 16 COM U V W M M401 SLED MOTOR COM U V W M M402 SPINDLE MOTOR FLEX JACK C B ...

Page 14: ...18 1 2 3 4 5 6 7 A B C D E F G H I J K WIRING 3 KEY FLEX VOL VOL SW1 R1 SW2 R2 SW3 R3 SW4 R4 SW5 TO FROM MAIN C B CN300 1 4 FLEX KEY C B ...

Page 15: ...ode using the VOL key and execute stop the mode using the PLAY key When the mode is executed the data is displayed in XXXX The value of XXXX is IC internal data and has no meaning except for No 13 If an error occurs during checking Failed is displayed E n g i n e e r M PRGM RNDM 1 TR NO LCD display during startup of test mode L a s e r 5 0 TR NO MODE NO Example of mode display 0 1 2 3 4 5 6 7 8 9 ...

Page 16: ...up to the DISC outer circumference using the F SKIP key Move the pickup to the DISC inner circumference using the B SKIP key 3 Switch operation check Confirm that the OPEN CLOSE switch and the HOLD switch of the disc holder can be checked on the LCD of the remote control is displayed when the disc holder is closed TR NO is displayed when the HOLD switch of the main unit is turned on The HOLD switc...

Page 17: ... off the power 3 Used discs PIT disc pre mastered disc TEST DISC TGYS1 GRV disc MO disc SONY MDW 74 fully pre recorded disc 4 Precautions If the disc is dirty or scratched the adjustment may not be completed Perform the adjustment with the cassette holder of the main unit facing upward Do not adjust manually If NO ADJ appears during normal use it means that the adjustment has not completed 5 Prohi...

Page 18: ...TE appears If Failed appears during adjustment it means that the adjustment was suspended due to an error 5 Others 1 Initializing the EEPROM While IDLE is displayed press the DISP SEARCH key to initialize the EEPROM After initialization EP INIT OK appears on the LCD After initialization perform the adjustment again otherwise NO ADJUST will appear during normal use 2 Sled operation check While IDLE...

Page 19: ...Y A D input of remote control KEY A D input of battery voltage A D input of drive voltage of sled Comparator output of motor driver Not used L output Sled control output Operation LED control signal output LED ON at H Chip select signal of LC89641 Serial data output to LC89641 Serial data input from LC89641 Serial clock output to LC89641 Select signal output terminal for writing flash memory norma...

Page 20: ...put to DRAM Control selector signal output controlled by microprocessor at H over DRAM microprocessor control DSP System power supply control power ON at L Audio mute signal output mute ON at H Serial data output to LCD remote control Standby signal output of headphones driver standby at L HOLD signal input HOLD ON at L Headphones jack insertion detection signal input insert at L Domestic version ...

Page 21: ...tput terminal Laser control signal output terminal Speed pulse input terminal Spindle PWM output terminal Sled PWM output terminal Focus PWM output terminal Tracking PWM output terminal Ground terminal Input terminal for 16 9344 MHz oscillation Output terminal for 16 9344 MHz oscillation Power terminal 16 9344 MHz output terminal Internal power supply terminal De emphasis command output terminal L...

Page 22: ...PU interface Interrupt signal output terminal for CPU interface Wobble signal input terminal Test input terminal VCEC system clock signal output terminal Power supply terminal for VCEC The terminal to which external bias resistor setting oscillation frequency of VCEC is connected The terminal to which external bias resistor setting current charge pump of VCEC is connected Ground terminal for VCEC ...

Page 23: ...gnal input terminal Test input terminal Power supply terminal System reset Track detection signal input terminal Input terminal for test Internal power supply terminal Ground terminal Power supply terminal for digital servo PEAK signal input terminal BOTTOM signal input terminal The signal representing the amount of main beam is input to this terminal Tracking error signal input terminal Focus err...

Page 24: ...ck GND2 Spindle motor output W phase Spindle power block power supply 1 Not used Spindle motor output V phase Not used Spindle power block GND1 Not used Spindle motor output U phase Spindle power block power supply 1 SP IN motor coil intermediate point input terminal SP IN detection comparator input W phase SP IN detection comparator input V phase SP IN detection comparator input U phase H bridge ...

Page 25: ...tion terminal CHARGEPUMP capacitor 2 connection terminal CHARGEPUMP output Standby terminal H1 and H2 bridge mute terminal Stepping decoder input 1 to 3 STEP detection comparator output U phase STEP detection comparator output V phase STEP detection comparator output W phase STEP motor coil center point input terminal Stepping power block power supply 1 Not used Stepping motor output U phase Stepp...

Page 26: ...0 and DSW1 are Low Disc mode setting pin High Track is chain of pits Low Track is groove Laser off when DSW0 and DSW1 are Low Not used The terminal to which pass through capacitor for 1 2 VCC is connected 1 2 VCC output pin Focus error signal output pin Tracking error signal output pin The signal representing the amount of main beam is output from this terminal Pin for generating HFL signal during...

Page 27: ...in Not used Wobble signal output pin Wobble signal input pin Setting pin for band pass filter The terminal to which external capacitor of DC cut of the wobble signal is connected Band pass filter switching pin of wobble signal Sleep mode pin Power ON at SLEEP High Power OFF at SLEEP Low O O I I I I Pin No Pin Name I O Description ...

Page 28: ...32 IC BLOCK DIAGRAM IC TA2131FL IC S 93C46AMFN IC TC7W74FU ...

Page 29: ...110 BAT CONTACT 7 8A HM3 214 010 BAT CONTACT 8 8A HM3 216 010 BAT CONTACT EX 9 8A HM3 004 010 FRAME CENTER EXCEPT AHK1 L 9 8A HM4 008 010 FRAME CENTER H D AHK1 L 10 8A HM3 005 010 LID BATT EXCEPT AHK1 L 10 8A HM4 009 010 LID BATT L AHK1 L 11 8A HM3 210 010 HINGE ASSY BATT 12 87 078 053 010 PW 2 5 0 7 0 25 SLT 13 8A HM3 213 010 SHAFT HINGE BATT 14 8A HM3 209 010 PLATE EJECT 15 8A HM3 217 010 SPR E ...

Page 30: ...CK 10 87 A91 488 010 MOT MX 2263 1 2 3 4 5 6 7 8 9 10 CUSH R ZZS 2 A C A B D A A 88 ZG6 224 010 S SCREW VBT 1 4 3 B 87 067 393 010 SCREW 1 4 1 4 C 87 067 569 010 POLY WASHER 0 83 2 5 0 25 D 87 067 511 010 SCREW V 1 4 2 BK REF NO PART NO KANRI DESCRIPTION NO MD MECHANISM EXPLODED VIEW 2 2 1 2 3 4 5 6 P C B REF NO PART NO KANRI DESCRIPTION NO MD MECHANISM PARTS LIST 2 2 1 8Z ZS2 214 010 PLATE BASE Z...

Page 31: ...ADPHONE HP M031 H EXCEPT AHK1 L 3 87 B30 296 010 HEADPHONE HP M031 L AHK1 L 4 87 B30 221 010 CASE BATTERY 5 8Z HM4 605 010 RC UNIT RC HX30 EXCEPT AHK1 L 5 8A HM3 604 010 RC UNIT RC HX30 L I AHK1 L 6 8A HM3 952 010 BAG CARRING 7 8A HM3 951 010 BOX BAT ASSY AHM 3 EXCEPT AHK1 L 7 8A HM4 951 010 BOX BAT ASSY AHM 4 L AHK1 L 8 8A HM4 904 010 IB HR ECA ...

Page 32: ...931196 Printed in Singapore 2 11 IKENOHATA1 CHOME TAITO KU TOKYO 110 JAPAN TEL 03 3827 3111 ...

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