Sony MZ-R55 Service Manual Download Page 112

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MZ-R55

6-4. BLOCK DIAGRAM — SYSTEM CONTROL SECTION —

XPCONT1

LCD SCK

LCD DATA

LCD STB

KEY1

56 KEY2
55 KEY3

32 XREC LED

36 XLCD ON

21 HOLD
22 SYNC REC
23 DBB
25 AVLS

14 OPEN
15 CLOCK
18 TMARK
19 REC

38 MRST

41 EXTAL

40 XTAL

54 TEMP

X2V CONT 31

XNIMH DET 92

GND SW 100

NIMH CHG 35

CHG CONT 73

CHG MNT 46

LCD

MODULE

WITH

SWITCH

UNIT

KEYRMC

AUDIO

SECTION

POWER

SWITCH

Q801

RVCC

(+2.8V)

S808
AVLS

S805

REC

S802

OPEN

S804

T MARK

S803

CLOCK

SET

S806

HOLD

NORM

LIMIT

S809

DIGITAL

MEGA BASS

S807

SYNCHRO

REC

OFF

HOLD

S801

DOOR

OPEN

RVCC

(+2.8V)

RESET

IC804

TEMP

METER

IC803

X801

12MHz

S901

(BATTERY IN)

CHARGE

CONTROL

IC901

DC/DC CONVERTER

IC903

CHARGE

CONTROL

Q902

Q901

Q903

PWM

COMP

RVCC

(+2.8V)

DC/DC CONVERTER

IC902

PWM

COMP

PWM

COMP

ON/OFF

DRIVE

Q904 (1/2)

2.7V REG

Q908, 909

ON/OFF

DRIVE

Q904 (2/2)

2V REG

Q907, 909

ON/OFF

DRIVE

Q802

2.8V REG

IC807

2.7V

RV901

2.65V

D802

RVCC

(+2.8V)

DC/DC CONVERTER

IC806

SYSTEM CONTROL

IC802 (3/3)

DC IN 3V

RECHAGEABLE

BATTERY

NH-14WM

1.2V 1400mAh

J901

(CHARGE)

Q906

FILTER
LF901

(Page 27)

Summary of Contents for MZ-R55

Page 1: ...dvanced Cross Interleave Reed Solomon Code ACIRC Sampling frequency 44 1 kHz Sampling rate converter Input 32 kHz 44 1 kHz 48 kHz Coding Adaptive TRansform Acoustic Coding ATRAC Modulation system EFM Eight to Fourteen Modulation Number of channels 2 stereo channels 1 monaural channel Frequency response 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limit Inputs Microphone stereo mini jack 0...

Page 2: ...ICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when so...

Page 3: ... 21 6 2 Block Diagram Servo Section 25 6 3 Block Diagram Audio Section 27 6 4 Block Diagram System Control Section 29 6 5 Printed Wiring Board 11 31 6 6 Printed Wiring Board 12 34 6 7 Schematic Diagram Main Section 1 3 37 6 8 Schematic Diagram Main Section 2 3 40 6 9 Schematic Diagram Main Section 3 3 43 7 EXPLODED VIEWS 7 1 Panel Section 51 7 2 Chassis Section 52 7 3 Mechanism Deck Section 53 8 E...

Page 4: ... 4 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 5: ...n n n n n P n P 2 3 OPERATION IN TEST MODE SETTING When the test mode is set the LCD shows repeated cycles of the following display 1 Unit LCD 188 88 ı Ver 8 All ON All OFF Microprocessor version display 2 Remote controller LCD 888 ı Ver 8 All ON All OFF Microprocessor version display Holding down P allows the current display to be maintained while it being depressed 2 4 RELEASING THE TEST MODE Fo...

Page 6: ...Unable to read the ADIP address 03 Shock detected during write Jumped by 1 5 tracks or more due to shock during write Shock detected during 04 laser down Shock detected when laser was moving down Abnormal stop during playback 11 No focus applied Focus could not be applied 12 CRC error Unable to read the address 15 FG error Abnormal rotation of disc Abnormal stop of recording playback caused by pow...

Page 7: ...n pan screws M1 4 2 precision pan screws M1 4 3 precision pan screw M1 4 4 bottom panel assy switches knobs 3 2 CONNECTOR 1 CN601 2 CN801 3 CN502 Bottom Panel assy Connector Main Board Upper Panel Block assy LCD Block assy Ornametal Belt Block assy Main Board Chassis Main assy Over Head Block assy Holder assy OP Block assy Note Follow the disassembly procedure in the numerical order given ...

Page 8: ...ASSY 3 4 LCD BLOCK ASSY 2 precision pan screw M1 4 3 precision pan screws M1 4 4 step screw click arm 0 click arm assy 7 upper panel block assy 9 6 5 1 8 1 precision pan screw M1 4 2 tapping screws 1 7 3 claws 4 LCD block assy ...

Page 9: ...NAMENTAL BELT BLOCK ASSY 3 6 MAIN BOARD 5 ornamental belt block assy 6 button OPEN 1 2 3 4 1 precision pan screw M1 4 2 step screw HP 3 toothed lock screw M1 4 4 toothed lock screws M1 4 7 CN501 8 MAIN board 6 5 ...

Page 10: ... 10 3 7 CHASSIS MAIN ASSY 3 8 OVER HEAD BLOCK ASSY 1 step screw MD 2 step screw MD 4 chassis MAIN assy 3 1 screws 2 over head block assy ...

Page 11: ... 11 3 9 HOLDER ASSY 3 10 OP BLOCK ASSY 1 M1 4x3 0 2 OP block assy 1 claw 4 holder assy 2 3 ...

Page 12: ...on CD read 08 045 Low reflection CD focus gain 30 046 Low reflection CD tracking gain 30 Mode No Test Description Check Write 047 Low reflection CD focus bias 00 050 CD test adjustment 051 CD focus search adjustment 052 CD FE balance adjustment 10 053 CD ABCD level adjustment 15 054 Laser CD read 08 055 CD focus gain 30 056 CD tracking gain 30 057 CD focus bias 00 060 Recording test 061 32 cluster...

Page 13: ...INE manual recording Recording VOL HP output 1 DEMP MIC manual recording 123 LINE automatic recording 1 OPT automatic recording HP VOL HP output MIC automatic recording 124 DEMP LINE automatic recording 1 DEMP OPT automatic recording HP VOL HP output DEMP MIC automatic recording 130 DIGITAL AGC ADJ1 131 MIC UP SR 30 132 MIC DOWN SR FA 133 MIC THD0 D0 134 MIC GAIN 00 135 MIC ATTACK A0 136 MIC RECOV...

Page 14: ...LEDgoeson TheLEDdoesnotgoonwhen SYNCHR OREC s witc hisput on 3 Mechanism Mode How to Transfer the Mode in the Mechanism Mode Mode No Test Description Operation 200 FUNCTION Stepper control 210 MECHA test Initial position return 211 HEAD adjustment Operation variation changing 19 212 REC position Recording head descent 220 CLOCK Clock 221 CLOCK check Clock check initialization Default value 1 Goint...

Page 15: ...nplaceby10iftheoneplaceis0 Increasestheadjustmentv alueiftheoneplace isnon zero VOLUME Decreasesthetenplaceby10iftheoneplaceis0 Decreasestheadjustmentv alueiftheoneplaceis non zero Note Withthemoden umber310selected pressing ke ywill transfertothemodenumber 311to314 forthecurrently operatingpo wer Withthemoden umber300selected pressing Pke ywill setthesleepmode Pressing pke ywillreleaseit How to C...

Page 16: ...djustment Mode No Adjustment Description 032 MO read FE balance adjustment 033 MO read ABCD level 034 MO write FE balance adjustment 035 MO write ABCD level 037 MO focus gain 038 MO tracking gain 061 32 cluster full recording 062 Recording shock 063 32 cluster full playback 039 MO focus bias 042 Low refrection CD FE balance adjustment 043 Low refrection CD ABCD level 044 Laser low reflection CD re...

Page 17: ...hatthelaserpo wermeterreadingis6 8 0 68mW 10 Pressthe Pkeytofinaliz etheadjustmentdata 11 Chec kthatthev olta gebetweenAP5117 VCC andAP574 LDI0 atthistimeisbelo w80mV 12 Pressthe p key 13 Exitthetestmode AdjustmentLocation Seepage19 MO TRAVERSE ADJUSTMENT Connection Adjustment Method 1 Settheser vomodeofthetestmode Mode 000 2 Pressthe ke y andsettheMOtestadjustmentmode Mode 030 usingthe VOLUME or ...

Page 18: ...ge19 oscilloscope MAIN board TP5980 TE AP5430 VC Traverse waveform A B C Specification A B C 0 9 Vp p 0 V CD TRAVERSE ADJUSTMENT Connection Adjustment Method 1 Settheser vomodeofthetestmode Mode 000 2 Pressthe ke y andsettheCDtestadjustmentmode Mode 050 usingthe VOLUME or ke y 3 Pressthe or ke yandmo vetheopticalpic k uptothe centercircumference 4 Inser tatestCD TD YS 1 5 Whenthe ke yispressed the...

Page 19: ...hadjust mentmode Mode 051 6 Whenthe ke yispressed theCDABCDle veladjustment mode Mode 053 isset 7 Pressthe Pkeytoperf ormautomaticadjustment andc hec k thattheRFle velis1 1 0 3 Vp p digital voltmeter MAIN board AP5117 VCC AP574 LDI0 oscilloscope MAIN board AP5500 RF AP5430 VC 8 Chec kthatthev olta gebetweenAP5117 VCC andAP574 LDI0 and atthistimeisbelo w40mV 9 Pressthe p key 10 Exitthetestmode 1 0 ...

Page 20: ...la ybac kthetestCD TD YS 1 2 AdjustR V901sothatthev olta gebetweenAP908 2 65V and AP906 GND isat2 65 0 03 Vdc Adjustment Location digital voltmeter MAIN board AP908 2 65V AP906 GND RV901 2 65V ADJUSTMENT AP906 GND AP908 2 65V IC802 CN801 main board side B ...

Page 21: ...k input 22 5 MHz 18 XTSL Not used Fixed at L 19 NC Not used Connect to ground 20 RVSS Connect to ground 21 DIN I Digital audio signal input pin For optical input 22 NC Not used Open 23 ADDT I Audio data input from A D converter IC301 24 DATA O Monitor decode audio data output to A D converter IC301 25 ALRCK O L R clock output to D A converter IC301 26 ABCK O Bit clock signal output to A D D A conv...

Page 22: ...nal from RF amplifier IC501 75 AUX2 Not used Connect to 2 8 V 76 DCHG Not used Connect to 2 8 V 77 APC Not used Connect to 2 8 V 78 ADFG I Input of ADIP dual FM signal from RF amplifier IC501 22 05 kHz 1 kHz TTL Schmit input 79 FO CONT O Focus control output to RF amplifier IC501 80 XLRF I Latch signal input from RF amplifier IC501 81 CKRF O RFCK clock 7 35 kHz signal output 82 DTRF I Serial data ...

Page 23: ... O Serial clock output 46 CHG MNT I Battery charge voltage minitor input 47 INLS I Detecting switch for internal circuit of sleding L Internal circuit 48 HIDC MNT I Voltage monitor DC input 49 KEYR I Remote control key input 50 AVSS Ground terminal for A D converter IC802 CXP740010 SYSTEM CONTROL Pin No Pin name I O Pin Description 51 AVREF I A D converter reference voltage input 52 AVDD A D conve...

Page 24: ...US TRACKING COIL SLED SPINDLE MOTOR DRIVE IC505 DRIVE 20 19 86 85 29 27 DRIVE 16 17 88 89 8 10 DRIVE 18 19 92 91 12 14 DRIVE 35 3 4 34 6 DRIVE 22 94 93 95 13 15 12 11 10 9 8 7 6 5 4 2 1 25 X501 22 5MHz SPOFF RSI OPTICAL PICK UP I J A B C D E F PP VCC AUTO POWER CONTROL Q502 FOCUS COIL TRACKING COIL LDON SD SD AOUT AOUTB PROTECT SLED MOTOR COM W V U SPINDLE MOTOR XINTREC SW INLS 2 7V 6 19 20 1 12 1...

Page 25: ... 81 93 94 66 67 68 24 91 11 49 RVCC 2 8V Q804 SYSCON SECTION B KEYRMC OPT CONT AMUTE BEEP XJACK DET OPT DET XMIC DET XLINE DET KEY ON CLK CS XCSNV SDO2 SDI2 SCK 2 XCS ADA XPD ADA DTCK KEY RMC 90 89 7 5 6 96 1 SYSTEM CONTROL IC802 1 3 4 2 CS DO DI SCK NV RAM IC801 7 4 3 9 8 2 REAL TIME CLOCK IC805 X802 32kHz SDTO DIN LRCK BCK SDTI MCLK XRST SERVO SECTION A REMOTE J304 LINE OUT J302 MIC PLUG IN POWE...

Page 26: ...RK S803 CLOCK SET S806 HOLD NORM LIMIT S809 DIGITAL MEGA BASS S807 SYNCHRO REC OFF ON OFF HOLD S801 DOOR OPEN RVCC 2 8V RESET IC804 3 TEMP METER IC803 4 X801 12MHz S901 BATTERYIN 1 5 2 7 CHARGE CONTROL IC901 4 3 1 5 DC DC CONVERTER IC903 CHARGE CONTROL Q902 3V Q901 Q903 PWM COMP RVCC 2 8V 4 3 1 5 DC DC CONVERTER IC902 PWM COMP PWM COMP ON OFF DRIVE Q904 1 2 2 7V REG Q908 909 ON OFF DRIVE Q904 2 2 ...

Page 27: ...ates tolerance Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified A B Line Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage and waveforms are dc with respect to ground under no signal conditions no mark PB REC Impossible to measure Voltages are taken with a VOM Input ...

Page 28: ...herwise specified indicates tolerance C panel designation A B Line H adjustment for repair Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage and waveforms are dc with respect to ground under no signal conditions no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances...

Page 29: ... otherwise specified indicates tolerance C panel designation A B Line Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F PB analog L REC analog...

Page 30: ...UT1 ADO DAC DBB DPGA 1 48 36 33 34 35 32 31 30 29 28 27 26 25 38 39 40 41 42 43 44 45 37 47 46 2 3 4 5 6 7 9 10 11 12 15 14 13 16 24 23 22 17 18 19 20 21 8 1 7 10 12 2 3 5 4 6 8 9 11 24 23 MUTE TC MUTE VREF BEEP BEEP IN GAIN CONTROL PRE GND LINE NF1 LINE IN1 IN1 IN2 LINE IN2 LINE NF2 VCC 1 RIPPLE VCC VCC OUT 1 NC CENTER OUT GND OUT 2 LINE OUT1 LINE VCC LINE OUT2 NC MUTE 22 21 20 19 18 17 16 15 14 ...

Page 31: ...VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA OFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF AGC EQ EQ DET P P WBL 3T WBL TEMP PBH USROP USRC 3T BPF3T PEAK3T 1...

Page 32: ...1 4 5 6 7 8 9 10 11 12 13 15 16 17 18 14 26 25 27 28 29 21 20 24 23 19 22 33 32 31 30 VG VC VC STEP MOTOR DRIVER HALF BLIDGE DRIVER H BLIDGE DRIVER CH3 H BLIDGE DRIVER CH1 H BLIDGE DRIVER CH2 2 1 3 4 5 5 9 8 10 11 12 21 20 19 18 17 16 15 14 22 23 24 7 CBR REFRESH COUNTER ROW DECODER ROW ADDRESS BUFFER COLUMN ADDRESS BUFFER WORD DRIVER MEMORY CELL CLOCK GENERATOR DATA INPUT BUFFER DATA OUTPUT BUFFE...

Page 33: ...D ERRIV GND VSET VG VGL PGNDG PGNDB HA HB PGNDA GND EFM VERF TIMING SELECTER DRIVE SIGNAL MIX LOGIC HIGH LOW SEPARATOR PRE DRIVE OPERATION CONTROL LOGIC PHASE CONTROL SCOPE WAVEFORM MIX EX OR TSD STANDBY 2 3 4 5 6 7 20 19 18 17 16 14 13 12 11 15 8 9 10 1 VCC RIB STBY BRK BRK FG VM U OUT RF U IN V IN W IN COM CST CSL 1 CSL 2 GND W OUT V OUT NC VREF VOUT VSS EXT BUFFER 2 STEP PFM CONTROL OSC 100 180...

Page 34: ... TIME COUNTER SEC MIN HOUR WEEK DAY MONTH YEAR SHIFT REGISTER INTERRUPT CONTROL VOLTAGE DETECT DIVIDER CORRECTION DIV OSC COMPARATOR W COMPARATOR D ADDRESS REGISTER ADDRESS DECORDER OSC DETECT I O CONTROL _ 1 2 3 4 8 7 6 5 REFERENCE VOLTAGE SOFT START S C P ERROR AMP SAW WAVE GENERATOR OUTPUT DRIVE CONTROL CIRCUIT 1 25V 0 5V 500 36K 0 1V DTC 0 6V 0 3V 30K FB OSC GND OUT IN SCP VCC BR CTL ...

Page 35: ... the last of this parts list 1 11 1 2 3 4 5 1 9 7 6 10 8 1 1 1 LCD1 1 4 963 883 21 SCREW M1 4 PRECISION PAN 2 4 212 847 01 SCREW CLICK ARM STEP 3 1 803 307 11 SWITCH MODULE 4 4 212 856 01 BRACKET LCD 5 4 984 017 01 SCREW 1 7 TAPPING 6 X 4950 399 1 PANEL N ASSY BOTTOM GOLD 6 X 4950 400 1 PANEL L ASSY BOTTOM BLUE 6 X 4950 401 1 PANEL Y ASSY BOTTOM YELLOW 7 4 213 809 01 SHEET MIC 8 3 010 287 01 COLLA...

Page 36: ...VER for BLUE YELLOW 53 4 212 820 01 DAMPER 54 X 4950 396 1 CHASSIS MAIN ASSY 55 4 212 821 01 SCREW MD STEP 56 A 3323 076 A MAIN BOARD COMPLETE 57 4 213 546 01 SHEET CLV 58 4 213 809 01 SHEET MIC 59 3 335 797 91 SCREW M1 4 TOOTHED LOCK 60 4 995 436 01 SCREW HP STEP 61 X 4950 397 1 CASE ASSY BATTERY 62 4 963 883 21 SCREW M1 4 PRECISION PAN 63 4 212 824 01 LID BATTERY CASE GOLD 63 4 212 824 11 LID BA...

Page 37: ...ORM 110 3 338 645 31 WASHER 0 8 2 5 111 4 212 310 01 GEAR RACK 112 4 212 309 01 GEAR WORM WHEEL 113 X 4950 392 1 CHASSIS ASSY GEAR 114 4 212 862 01 SCREW M1X1 3 PRECISION 115 1 671 605 11 MD FLEXIBLE BOARD 116 3 015 033 01 SCREW DIA 1 4X4 PRECISION 117 4 995 586 01 GEAR SD 118 4 213 858 01 SCREW LEAD 119 4 995 578 01 GEAR SC 120 X 4949 131 1 BRACKET S ASSY 121 4 995 571 01 SPRING THRUST 122 3 704 ...

Page 38: ... 619 11 CERAMIC CHIP 0 47uF 10 6 3V C209 1 164 937 11 CERAMIC CHIP 0 001uF 10 16V C210 1 125 926 11 TANTAL CHIP 4 7uF 20 6 3V C211 1 164 874 11 CERAMIC CHIP 100PF 5 16V C212 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C213 1 119 749 11 TANTAL CHIP 33uF 20 4V C214 1 164 878 11 CERAMIC CHIP 150PF 5 16V C215 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C216 1 164 937 11 CERAMIC CHIP 0 001uF 10 16V C217 1 125 985 ...

Page 39: ...1uF 10 6 3V C809 1 107 820 11 CERAMIC CHIP 0 1uF 16V C810 1 119 750 11 TANTAL CHIP 22uF 20 6 3V C811 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C812 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16V C813 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C814 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C815 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C816 1 119 749 11 TANTAL CHIP 33uF 20 4V 11 C816 1 127 569 11 TANTAL CHIP 100uF...

Page 40: ...1 778 179 11 JACK 2 REMOTE J901 1 785 383 11 JACK DC POLARITY UNIFIED TYPE DC IN 3V COIL L301 1 414 754 11 INDUCTOR 10uH L302 1 414 754 11 INDUCTOR 10uH L303 1 414 754 11 INDUCTOR 10uH L501 1 414 398 41 INDUCTOR 10uH L502 1 414 398 41 INDUCTOR 10uH L504 1 414 398 41 INDUCTOR 10uH L506 1 410 389 31 INDUCTOR CHIP 47uH L507 1 410 389 31 INDUCTOR CHIP 47uH L508 1 410 389 31 INDUCTOR CHIP 47uH L509 1 4...

Page 41: ...5 1 216 809 11 METAL CHIP 100 5 1 16W R316 1 216 809 11 METAL CHIP 100 5 1 16W R317 1 216 809 11 METAL CHIP 100 5 1 16W R318 1 216 809 11 METAL CHIP 100 5 1 16W R319 1 216 809 11 METAL CHIP 100 5 1 16W R320 1 216 864 11 METAL CHIP 0 5 1 16W R321 1 216 864 11 METAL CHIP 0 5 1 16W R322 1 216 864 11 METAL CHIP 0 5 1 16W R500 1 216 864 11 METAL CHIP 0 5 1 16W R501 1 216 835 11 METAL CHIP 15K 5 1 16W R...

Page 42: ...S CHIP 10K 0 50 1 16W R924 1 218 855 11 RES CHIP 2 2K 0 50 1 16W R927 1 216 801 11 METAL CHIP 22 5 1 16W R928 1 216 801 11 METAL CHIP 22 5 1 16W R929 1 216 821 11 METAL CHIP 1K 5 1 16W R930 1 216 825 11 METAL CHIP 2 2K 5 1 16W R931 1 216 833 11 METAL CHIP 10K 5 1 16W R933 1 216 789 11 METAL CHIP 2 2 5 1 16W R934 1 216 789 11 METAL CHIP 2 2 5 1 16W R935 1 216 827 11 METAL CHIP 3 3K 5 1 16W R936 1 2...

Page 43: ...NVERSION 2P JE 1 759 693 11 CASE BATTERY 3 008 521 01 CASE BATTERY CHARGE 3 864 987 11 MANUAL INSTRUCTION GREEK SPANISH PORTUGUESE SWEDISH FINNISH JE 3 864 987 21 MANUAL INSTRUCTION ENGLISH HK 3 864 987 41 MANUAL INSTRUCTION CHINESE KOREAN URDU 4 213 808 01 CARD 4 972 888 01 CASE CARRYING 8 953 218 90 HEADPHONE MDR E838SP K SET The components identified by mark or dotted line with mark are critica...

Page 44: ... 60 Sony Corporation Personal A V Products Company 9 924 964 11 98J047017 1 Printed in Singapore C1998 10 Published by Quality Engineering Dept Shibaura MZ R55 ...

Page 45: ...ced Cross Interleave Reed Solomon Code ACIRC Sampling frequency 44 1 kHz Sampling rate converter Input 32 kHz 44 1 kHz 48 kHz Coding Adaptive TRansform Acoustic Coding ATRAC Modulation system EFM Eight to Fourteen Modulation Number of channels 2 stereo channels 1 monaural channel Frequency response 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limit Inputs Microphone stereo mini jack 0 22 ...

Page 46: ...HE PARTS LIST ARE CRITICAL TO SAFE OPERATION REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUBLISHED BY SONY Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on...

Page 47: ...Diagram Servo Section 25 6 3 Block Diagram Audio Section 27 6 4 Block Diagram System Control Section 29 6 5 Printed Wiring Board 11 31 6 6 Printed Wiring Board 12 34 6 7 Schematic Diagram Main Section 1 3 37 6 8 Schematic Diagram Main Section 2 3 40 6 9 Schematic Diagram Main Section 3 3 43 7 EXPLODED VIEWS 7 1 Panel Section 51 7 2 Chassis Section 52 7 3 Mechanism Deck Section 53 8 ELECTRICAL PART...

Page 48: ... 4 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 49: ...n n n n n P n P 2 3 OPERATION IN TEST MODE SETTING When the test mode is set the LCD shows repeated cycles of the following display 1 Unit LCD 188 88 ı Ver 8 All ON All OFF Microprocessor version display 2 Remote controller LCD 888 ı Ver 8 All ON All OFF Microprocessor version display Holding down P allows the current display to be maintained while it being depressed 2 4 RELEASING THE TEST MODE Fo...

Page 50: ...Unable to read the ADIP address 03 Shock detected during write Jumped by 1 5 tracks or more due to shock during write Shock detected during 04 laser down Shock detected when laser was moving down Abnormal stop during playback 11 No focus applied Focus could not be applied 12 CRC error Unable to read the address 15 FG error Abnormal rotation of disc Abnormal stop of recording playback caused by pow...

Page 51: ... 1 precision pan screws M1 4 2 precision pan screws M1 4 3 precision pan screw M1 4 4 bottom panel assy switches knobs 3 2 CONNECTOR 1 CN601 2 CN801 3 CN502 Bottom Panel assy Connector Main Board Upper Panel Block assy LCD Block assy Ornametal Belt Block assy Main Board Chassis Main assy OP Block assy Holder assy Note Follow the disassembly procedure in the numerical order given ...

Page 52: ...ASSY 3 4 LCD BLOCK ASSY 2 precision pan screw M1 4 3 precision pan screws M1 4 4 step screw click arm 0 click arm assy 7 upper panel block assy 9 6 5 1 8 1 precision pan screw M1 4 2 tapping screws 1 7 3 claws 4 LCD block assy ...

Page 53: ...NAMENTAL BELT BLOCK ASSY 3 6 MAIN BOARD 5 ornamental belt block assy 6 button OPEN 1 2 3 4 1 precision pan screw M1 4 2 step screw HP 3 toothed lock screw M1 4 4 toothed lock screws M1 4 7 CN501 8 MAIN board 6 5 ...

Page 54: ... 10 3 7 CHASSIS MAIN ASSY 3 8 OP BLOCK ASSY 1 step screw MD 2 step screw MD 4 chassis MAIN assy 3 1 M1 4x3 0 over head block assy lens 2 main shaft 4 OP block assy 3 flexible board ...

Page 55: ... 11 3 9 HOLDER ASSY 1 claw 4 holder assy 2 3 ...

Page 56: ...on CD read 08 045 Low reflection CD focus gain 30 046 Low reflection CD tracking gain 30 Mode No Test Description Check Write 047 Low reflection CD focus bias 00 050 CD test adjustment 051 CD focus search adjustment 052 CD FE balance adjustment 10 053 CD ABCD level adjustment 15 054 Laser CD read 08 055 CD focus gain 30 056 CD tracking gain 30 057 CD focus bias 00 060 Recording test 061 32 cluster...

Page 57: ...INE manual recording Recording VOL HP output 1 DEMP MIC manual recording 123 LINE automatic recording 1 OPT automatic recording HP VOL HP output MIC automatic recording 124 DEMP LINE automatic recording 1 DEMP OPT automatic recording HP VOL HP output DEMP MIC automatic recording 130 DIGITAL AGC ADJ1 131 MIC UP SR 30 132 MIC DOWN SR FA 133 MIC THD0 D0 134 MIC GAIN 00 135 MIC ATTACK A0 136 MIC RECOV...

Page 58: ...LEDgoeson TheLEDdoesnotgoonwhen SYNCHR OREC s witc hisput on 3 Mechanism Mode How to Transfer the Mode in the Mechanism Mode Mode No Test Description Operation 200 FUNCTION Stepper control 210 MECHA test Initial position return 211 HEAD adjustment Operation variation changing 19 212 REC position Recording head descent 220 CLOCK Clock 221 CLOCK check Clock check initialization Default value 1 Goint...

Page 59: ...nplaceby10iftheoneplaceis0 Increasestheadjustmentv alueiftheoneplace isnon zero VOLUME Decreasesthetenplaceby10iftheoneplaceis0 Decreasestheadjustmentv alueiftheoneplaceis non zero Note Withthemoden umber310selected pressing ke ywill transfertothemodenumber 311to314 forthecurrently operatingpo wer Withthemoden umber300selected pressing Pke ywill setthesleepmode Pressing pke ywillreleaseit How to C...

Page 60: ...djustment Mode No Adjustment Description 032 MO read FE balance adjustment 033 MO read ABCD level 034 MO write FE balance adjustment 035 MO write ABCD level 037 MO focus gain 038 MO tracking gain 061 32 cluster full recording 062 Recording shock 063 32 cluster full playback 039 MO focus bias 042 Low refrection CD FE balance adjustment 043 Low refrection CD ABCD level 044 Laser low reflection CD re...

Page 61: ...hatthelaserpo wermeterreadingis6 8 0 68mW 10 Pressthe Pkeytofinaliz etheadjustmentdata 11 Chec kthatthev olta gebetweenAP5117 VCC andAP574 LDI0 atthistimeisbelo w80mV 12 Pressthe p key 13 Exitthetestmode AdjustmentLocation Seepage19 MO TRAVERSE ADJUSTMENT Connection Adjustment Method 1 Settheser vomodeofthetestmode Mode 000 2 Pressthe ke y andsettheMOtestadjustmentmode Mode 030 usingthe VOLUME or ...

Page 62: ...ge19 oscilloscope MAIN board TP5980 TE AP5430 VC Traverse waveform A B C Specification A B C 0 9 Vp p 0 V CD TRAVERSE ADJUSTMENT Connection Adjustment Method 1 Settheser vomodeofthetestmode Mode 000 2 Pressthe ke y andsettheCDtestadjustmentmode Mode 050 usingthe VOLUME or ke y 3 Pressthe or ke yandmo vetheopticalpic k uptothe centercircumference 4 Inser tatestCD TD YS 1 5 Whenthe ke yispressed the...

Page 63: ...hadjust mentmode Mode 051 6 Whenthe ke yispressed theCDABCDle veladjustment mode Mode 053 isset 7 Pressthe Pkeytoperf ormautomaticadjustment andc hec k thattheRFle velis1 1 0 3 Vp p digital voltmeter MAIN board AP5117 VCC AP574 LDI0 oscilloscope MAIN board AP5500 RF AP5430 VC 8 Chec kthatthev olta gebetweenAP5117 VCC andAP574 LDI0 and atthistimeisbelo w40mV 9 Pressthe p key 10 Exitthetestmode 1 0 ...

Page 64: ...la ybac kthetestCD TD YS 1 2 AdjustR V901sothatthev olta gebetweenAP908 2 65V and AP906 GND isat2 65 0 03 Vdc Adjustment Location digital voltmeter MAIN board AP908 2 65V AP906 GND RV901 2 65V ADJUSTMENT AP906 GND AP908 2 65V IC802 CN801 main board side B ...

Page 65: ...k input 22 5 MHz 18 XTSL Not used Fixed at L 19 NC Not used Connect to ground 20 RVSS Connect to ground 21 DIN I Digital audio signal input pin For optical input 22 NC Not used Open 23 ADDT I Audio data input from A D converter IC301 24 DATA O Monitor decode audio data output to A D converter IC301 25 ALRCK O L R clock output to D A converter IC301 26 ABCK O Bit clock signal output to A D D A conv...

Page 66: ...nal from RF amplifier IC501 75 AUX2 Not used Connect to 2 8 V 76 DCHG Not used Connect to 2 8 V 77 APC Not used Connect to 2 8 V 78 ADFG I Input of ADIP dual FM signal from RF amplifier IC501 22 05 kHz 1 kHz TTL Schmit input 79 FO CONT O Focus control output to RF amplifier IC501 80 XLRF I Latch signal input from RF amplifier IC501 81 CKRF O RFCK clock 7 35 kHz signal output 82 DTRF I Serial data ...

Page 67: ... O Serial clock output 46 CHG MNT I Battery charge voltage minitor input 47 INLS I Detecting switch for internal circuit of sleding L Internal circuit 48 HIDC MNT I Voltage monitor DC input 49 KEYR I Remote control key input 50 AVSS Ground terminal for A D converter IC802 CXP740010 SYSTEM CONTROL Pin No Pin name I O Pin Description 51 AVREF I A D converter reference voltage input 52 AVDD A D conve...

Page 68: ...US TRACKING COIL SLED SPINDLE MOTOR DRIVE IC505 DRIVE 20 19 86 85 29 27 DRIVE 16 17 88 89 8 10 DRIVE 18 19 92 91 12 14 DRIVE 35 3 4 34 6 DRIVE 22 94 93 95 13 15 12 11 10 9 8 7 6 5 4 2 1 25 X501 22 5MHz SPOFF RSI OPTICAL PICK UP I J A B C D E F PP VCC AUTO POWER CONTROL Q502 FOCUS COIL TRACKING COIL LDON SD SD AOUT AOUTB PROTECT SLED MOTOR COM W V U SPINDLE MOTOR XINTREC SW INLS 2 7V 6 19 20 1 12 1...

Page 69: ... 81 93 94 66 67 68 24 91 11 49 RVCC 2 8V Q804 SYSCON SECTION B KEYRMC OPT CONT AMUTE BEEP XJACK DET OPT DET XMIC DET XLINE DET KEY ON CLK CS XCSNV SDO2 SDI2 SCK 2 XCS ADA XPD ADA DTCK KEY RMC 90 89 7 5 6 96 1 SYSTEM CONTROL IC802 1 3 4 2 CS DO DI SCK NV RAM IC801 7 4 3 9 8 2 REAL TIME CLOCK IC805 X802 32kHz SDTO DIN LRCK BCK SDTI MCLK XRST SERVO SECTION A REMOTE J304 LINE OUT J302 MIC PLUG IN POWE...

Page 70: ...RK S803 CLOCK SET S806 HOLD NORM LIMIT S809 DIGITAL MEGA BASS S807 SYNCHRO REC OFF ON OFF HOLD S801 DOOR OPEN RVCC 2 8V RESET IC804 3 TEMP METER IC803 4 X801 12MHz S901 BATTERYIN 1 5 2 7 CHARGE CONTROL IC901 4 3 1 5 DC DC CONVERTER IC903 CHARGE CONTROL Q902 3V Q901 Q903 PWM COMP RVCC 2 8V 4 3 1 5 DC DC CONVERTER IC902 PWM COMP PWM COMP ON OFF DRIVE Q904 1 2 2 7V REG Q908 909 ON OFF DRIVE Q904 2 2 ...

Page 71: ...or less unless otherwise specified indicates tolerance Note The components identified by mark or dotted line with mark are critical for safety Replace only with part number specified A B Line Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage and waveforms are dc with respect to ground under no signal conditions no mark PB REC Impossible to meas...

Page 72: ...tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified indicates tolerance C panel designation A B Line H adjustment for repair Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage and waveforms are dc with respect to ground under no signal conditions no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage ...

Page 73: ...nd 1 4 W or less unless otherwise specified indicates tolerance C panel designation A B Line Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path F...

Page 74: ... VCC 23 3TADJ 22 EQADJ 21 VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA OFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF AGC EQ EQ DET P P WBL 3T WBL TEMP PBH US...

Page 75: ...D ERRIV GND VSET VG VGL PGNDG PGNDB HA HB PGNDA GND EFM VERF TIMING SELECTER DRIVE SIGNAL MIX LOGIC HIGH LOW SEPARATOR PRE DRIVE OPERATION CONTROL LOGIC PHASE CONTROL SCOPE WAVEFORM MIX EX OR TSD STANDBY 2 3 4 5 6 7 20 19 18 17 16 14 13 12 11 15 8 9 10 1 VCC RIB STBY BRK BRK FG VM U OUT RF U IN V IN W IN COM CST CSL 1 CSL 2 GND W OUT V OUT NC VREF VOUT VSS EXT BUFFER 2 STEP PFM CONTROL OSC 100 180...

Page 76: ... TIME COUNTER SEC MIN HOUR WEEK DAY MONTH YEAR SHIFT REGISTER INTERRUPT CONTROL VOLTAGE DETECT DIVIDER CORRECTION DIV OSC COMPARATOR W COMPARATOR D ADDRESS REGISTER ADDRESS DECORDER OSC DETECT I O CONTROL _ 1 2 3 4 8 7 6 5 REFERENCE VOLTAGE SOFT START S C P ERROR AMP SAW WAVE GENERATOR OUTPUT DRIVE CONTROL CIRCUIT 1 25V 0 5V 500 36K 0 1V DTC 0 6V 0 3V 30K FB OSC GND OUT IN SCP VCC BR CTL ...

Page 77: ...ast of this parts list 1 11 1 2 3 4 5 1 9 7 6 10 8 1 1 1 LCD1 1 4 963 883 21 SCREW M1 4 PRECISION PAN 2 4 212 847 01 SCREW CLICK ARM STEP 3 1 803 307 11 SWITCH MODULE 4 4 212 856 01 BRACKET LCD 5 4 984 017 01 SCREW 1 7 TAPPING 6 X 4950 399 1 PANEL N ASSY BOTTOM GOLD 6 X 4950 400 1 PANEL L ASSY BOTTOM BLUE 6 X 4950 401 1 PANEL Y ASSY BOTTOM YELLOW HK JE 7 4 213 809 01 SHEET MIC 8 3 010 287 01 COLLA...

Page 78: ...212 820 01 DAMPER 54 X 4950 396 1 CHASSIS MAIN ASSY 55 4 212 821 01 SCREW MD STEP 56 A 3323 076 A MAIN BOARD COMPLETE HK JE 56 A 3323 130 A MAIN BOARD COMPLETE US 57 4 213 546 01 SHEET CLV 58 4 213 809 01 SHEET MIC 59 3 335 797 91 SCREW M1 4 TOOTHED LOCK 60 4 995 436 01 SCREW HP STEP 61 X 4950 397 1 CASE ASSY BATTERY 62 4 963 883 21 SCREW M1 4 PRECISION PAN 63 4 212 824 01 LID BATTERY CASE GOLD 63...

Page 79: ...RECISION PAN 109 4 212 308 01 GEAR WORM 110 3 338 645 31 WASHER 0 8 2 5 111 4 212 310 01 GEAR RACK 112 4 212 309 01 GEAR WORM WHEEL 113 X 4950 392 1 CHASSIS ASSY GEAR 114 4 212 862 01 SCREW M1X1 3 PRECISION 115 1 671 605 11 MD FLEXIBLE BOARD 116 3 015 033 01 SCREW DIA 1 4X4 PRECISION 117 4 995 586 01 GEAR SD 118 4 213 858 01 SCREW LEAD 119 4 995 578 01 GEAR SC 120 X 4949 131 1 BRACKET S ASSY 121 4...

Page 80: ...uF 20 6 3V C208 1 113 619 11 CERAMIC CHIP 0 47uF 10 6 3V C209 1 164 937 11 CERAMIC CHIP 0 001uF 10 16V C210 1 125 926 11 TANTAL CHIP 4 7uF 20 6 3V C211 1 164 874 11 CERAMIC CHIP 100PF 5 16V C212 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C213 1 119 749 11 TANTAL CHIP 33uF 20 4V C214 1 164 878 11 CERAMIC CHIP 150PF 5 16V C215 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C216 1 164 937 11 CERAMIC CHIP 0 001uF 1...

Page 81: ...1uF 10 6 3V C809 1 107 820 11 CERAMIC CHIP 0 1uF 16V C810 1 119 750 11 TANTAL CHIP 22uF 20 6 3V C811 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C812 1 164 940 11 CERAMIC CHIP 0 0033uF 10 16V C813 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C814 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C815 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C816 1 119 749 11 TANTAL CHIP 33uF 20 4V 11 C816 1 127 569 11 TANTAL CHIP 100uF...

Page 82: ...NJU7015R TE2 IC902 8 759 427 21 IC MB3800PFV G BND EF IC903 8 759 427 21 IC MB3800PFV G BND EF J301 8 749 015 08 IC SJ7000 LINE IN OPTICAL JACK J302 1 779 881 11 JACK LINE OUT J303 1 779 881 21 JACK MIC J304 1 778 179 11 JACK 2 REMOTE J901 1 785 383 11 JACK DC POLARITY UNIFIED TYPE DC IN 3V COIL L301 1 414 754 11 INDUCTOR 10uH L302 1 414 754 11 INDUCTOR 10uH L303 1 414 754 11 INDUCTOR 10uH L501 1 ...

Page 83: ... 220K 5 1 16W R307 1 216 809 11 METAL CHIP 100 5 1 16W R308 1 216 864 11 METAL CHIP 0 5 1 16W R309 1 216 809 11 METAL CHIP 100 5 1 16W R310 1 218 446 11 METAL CHIP 1 5 1 16W R312 1 216 864 11 METAL CHIP 0 5 1 16W R313 1 216 864 11 METAL CHIP 0 5 1 16W R314 1 216 864 11 METAL CHIP 0 5 1 16W R315 1 216 809 11 METAL CHIP 100 5 1 16W R316 1 216 809 11 METAL CHIP 100 5 1 16W R317 1 216 809 11 METAL CHI...

Page 84: ...0 50 1 16W R910 1 218 915 11 RES CHIP 680K 0 50 1 16W R911 1 218 907 11 RES CHIP 330K 0 50 1 16W R912 1 216 821 11 METAL CHIP 1K 5 1 16W R913 1 218 903 11 RES CHIP 220K 0 50 1 16W R914 1 218 887 11 RES CHIP 47K 0 50 1 16W R915 1 219 724 11 METAL CHIP 1 1 1 4W R916 1 219 724 11 METAL CHIP 1 1 1 4W R918 1 218 903 11 RES CHIP 220K 0 50 1 16W R919 1 218 895 11 RES CHIP 100K 0 50 1 16W R921 1 218 871 1...

Page 85: ...C AC MZR55 HK 1 418 275 11 ADAPTOR AC AC MZR55 US 1 528 842 11 BATTERY NICKEL HYDROGEN NH 14WM 1 569 007 11 ADAPTOR CONVERSION 2P JE 1 759 693 11 CASE BATTERY 1 779 504 11 CONNECTOR OPTICAL 3 008 521 01 CASE BATTERY CHARGE 3 864 987 11 MANUAL INSTRUCTION GREEK SPANISH PORTUGUESE SWEDISH FINNISH JE 3 864 987 21 MANUAL INSTRUCTION ENGLISH US HK 3 864 987 41 MANUAL INSTRUCTION CHINESE KOREAN URDU HK ...

Page 86: ... 60 Sony Corporation Personal A V Products Company 9 924 964 12 99A0418 1 Printed in Japan C1999 1 Published by Quality Engineering Dept Shibaura MZ R55 ...

Page 87: ...LV Error correction Advanced Cross Interleave Reed Solomon Code ACIRC Sampling frequency 44 1 kHz Sampling rate converter Input 32 kHz 44 1 kHz 48 kHz Coding Adaptive TRansform Acoustic Coding ATRAC Modulation system EFM Eight to Fourteen Modulation Number of channels 2 stereo channels 1 monaural channel Frequency response 20 to 20 000 Hz 3 dB Wow and Flutter Below measurable limit Inputs Micropho...

Page 88: ...soldering or unsoldering Notes on chip component replacement Never reuse a disconnected chip component Notice that the minus side of a tantalum capacitor may be damaged by heat Precautions for Laser Diode Emission Check When checking the emission of the laser diode during adjust ments never view directly downwards as this may lead to blindness Precautions for Using Optical Pick up KMS 280A As the ...

Page 89: ...ction 25 6 3 Block Diagram Audio Section 27 6 4 Block Diagram System Control Section 29 6 5 Printed Wiring Board 11 31 6 6 Printed Wiring Board 12 34 6 7 Printed Wiring Board 13 37 6 8 Schematic Diagram Main Section 1 3 40 6 9 Schematic Diagram Main Section 2 3 43 6 10 Schematic Diagram Main Section 3 3 46 7 EXPLODED VIEWS 7 1 Panel Section 54 7 2 Chassis Section 55 7 3 Mechanism Deck Section 56 8...

Page 90: ... 4 SECTION 1 GENERAL This section is extracted from instruction manual ...

Page 91: ...n n n n n P n P 2 3 OPERATION IN TEST MODE SETTING When the test mode is set the LCD shows repeated cycles of the following display 1 Unit LCD 188 88 ı Ver 8 All ON All OFF Microprocessor version display 2 Remote controller LCD 888 ı Ver 8 All ON All OFF Microprocessor version display Holding down P allows the current display to be maintained while it being depressed 2 4 RELEASING THE TEST MODE Fo...

Page 92: ...Unable to read the ADIP address 03 Shock detected during write Jumped by 1 5 tracks or more due to shock during write Shock detected during 04 laser down Shock detected when laser was moving down Abnormal stop during playback 11 No focus applied Focus could not be applied 12 CRC error Unable to read the address 15 FG error Abnormal rotation of disc Abnormal stop of recording playback caused by pow...

Page 93: ... 1 precision pan screws M1 4 2 precision pan screws M1 4 3 precision pan screw M1 4 4 bottom panel assy switches knobs 3 2 CONNECTOR 1 CN601 2 CN801 3 CN502 Bottom Panel assy Connector Main Board Upper Panel Block assy LCD Block assy Ornametal Belt Block assy Main Board Chassis Main assy OP Block assy Holder assy Note Follow the disassembly procedure in the numerical order given ...

Page 94: ...ASSY 3 4 LCD BLOCK ASSY 2 precision pan screw M1 4 3 precision pan screws M1 4 4 step screw click arm 0 click arm assy 7 upper panel block assy 9 6 5 1 8 1 precision pan screw M1 4 2 tapping screws 1 7 3 claws 4 LCD block assy ...

Page 95: ...NAMENTAL BELT BLOCK ASSY 3 6 MAIN BOARD 5 ornamental belt block assy 6 button OPEN 1 2 3 4 1 precision pan screw M1 4 2 step screw HP 3 toothed lock screw M1 4 4 toothed lock screws M1 4 7 CN501 8 MAIN board 6 5 ...

Page 96: ... 10 3 7 CHASSIS MAIN ASSY 3 8 OP BLOCK ASSY 1 step screw MD 2 step screw MD 4 chassis MAIN assy 3 1 M1 4x3 0 over head block assy lens 2 main shaft 4 OP block assy 3 flexible board ...

Page 97: ... 11 3 9 HOLDER ASSY 1 claw 4 holder assy 2 3 ...

Page 98: ...reflection CD focus gain 30 046 Low reflection CD tracking gain 30 Mode No Test Description Check Write 047 Low reflection CD focus bias 00 050 CD test adjustment 051 CD focus search adjustment 052 CD FE balance adjustment 10 053 CD ABCD level adjustment 15 054 Laser CD read 08 055 CD focus gain 30 056 CD tracking gain 30 057 CD focus bias 00 060 Recording test 061 32 cluster full recording 062 Re...

Page 99: ...ng 122 DEMP LINE manual recording Recording VOL HP output 1 DEMP MIC manual recording 123 LINE automatic recording 1 OPT automatic recording HP VOL HP output MIC automatic recording 124 DEMP LINE automatic recording 1 DEMP OPT automatic recording HP VOL HP output DEMP MIC automatic recording 130 DIGITAL AGC ADJ1 131 MIC UP SR 30 132 MIC DOWN SR FA 133 MIC THD0 D0 134 MIC GAIN 00 135 MIC ATTACK A0 ...

Page 100: ... 124 REC LED goes on The LED does not go on when SYNCHRO REC switch is put on 3 Mechanism Mode How to Transfer the Mode in the Mechanism Mode Mode No Test Description Operation 200 FUNCTION Stepper control 210 MECHA test Initial position return 211 HEAD adjustment Operation variation changing 19 212 REC position Recording head descent 220 CLOCK Clock 221 CLOCK check Clock check initialization Defa...

Page 101: ...ce by 10 if the one place is 0 Increases the adjustment value if the one place is non zero VOLUME Decreases the ten place by 10 if the one place is 0 Decreases the adjustment value if the one place is non zero Note With the mode number 310 selected pressing key will transfer to the mode number 311 to 314 for the currently operating power With the mode number 300 selected pressing P key will set th...

Page 102: ...omatic Adjustment Mode No Adjustment Description 032 MO read FE balance adjustment 033 MO read ABCD level 034 MO write FE balance adjustment 035 MO write ABCD level 037 MO focus gain 038 MO tracking gain 061 32 cluster full recording 062 Recording shock 063 32 cluster full playback 039 MO focus bias 042 Low refrection CD FE balance adjustment 043 Low refrection CD ABCD level 044 Laser low reflecti...

Page 103: ...at the laser power meter reading is 6 8 0 68 mW 10 Press the P key to finalize the adjustment data 11 Check that the voltage between AP5117 VCC and AP574 LDI0 at this time is below 80 mV 12 Press the p key 13 Exit the test mode Adjustment Location See page 19 MO TRAVERSE ADJUSTMENT Connection Adjustment Method 1 Set the servo mode of the test mode Mode 000 2 Press the key and set the MO test adjus...

Page 104: ... 19 oscilloscope MAIN board TP5980 TE AP5430 VC Traverse waveform A B C Specification A B C 0 9 Vp p 0 V CD TRAVERSE ADJUSTMENT Connection Adjustment Method 1 Set the servo mode of the test mode Mode 000 2 Press the key and set the CD test adjustment mode Mode 050 using the VOLUME or key 3 Press the or key and move the optical pick up to the center circumference 4 Insert a test CD TDYS 1 5 When th...

Page 105: ...adjust ment mode Mode 051 6 When the key is pressed the CD ABCD level adjustment mode Mode 053 is set 7 Press the P key to perform automatic adjustment and check that the RF level is 1 1 0 3 Vp p digital voltmeter MAIN board AP5117 VCC AP574 LDI0 oscilloscope MAIN board AP5500 RF AP5430 VC 8 Check that the voltage between AP5117 VCC and AP574 LDI0 and at this time is below 40 mV 9 Press the p key ...

Page 106: ...back the test CD TDYS 1 2 Adjust RV901 so that the voltage between AP908 2 65V and AP906 GND is at 2 65 0 03 Vdc Adjustment Location digital voltmeter MAIN board AP908 2 65V AP906 GND RV901 2 65V ADJUSTMENT AP906 GND AP908 2 65V IC802 CN801 main board side B ...

Page 107: ...k input 22 5 MHz 18 XTSL Not used Fixed at L 19 NC Not used Connect to ground 20 RVSS Connect to ground 21 DIN I Digital audio signal input pin For optical input 22 NC Not used Open 23 ADDT I Audio data input from A D converter IC301 24 DATA O Monitor decode audio data output to A D converter IC301 25 ALRCK O L R clock output to D A converter IC301 26 ABCK O Bit clock signal output to A D D A conv...

Page 108: ...nal from RF amplifier IC501 75 AUX2 Not used Connect to 2 8 V 76 DCHG Not used Connect to 2 8 V 77 APC Not used Connect to 2 8 V 78 ADFG I Input of ADIP dual FM signal from RF amplifier IC501 22 05 kHz 1 kHz TTL Schmit input 79 FO CONT O Focus control output to RF amplifier IC501 80 XLRF I Latch signal input from RF amplifier IC501 81 CKRF O RFCK clock 7 35 kHz signal output 82 DTRF I Serial data ...

Page 109: ... O Serial clock output 46 CHG MNT I Battery charge voltage minitor input 47 INLS I Detecting switch for internal circuit of sleding L Internal circuit 48 HIDC MNT I Voltage monitor DC input 49 KEYR I Remote control key input 50 AVSS Ground terminal for A D converter IC802 CXP740010 SYSTEM CONTROL Pin No Pin name I O Pin Description 51 AVREF I A D converter reference voltage input 52 AVDD A D conve...

Page 110: ...US TRACKING COIL SLED SPINDLE MOTOR DRIVE IC505 DRIVE 20 19 86 85 29 27 DRIVE 16 17 88 89 8 10 DRIVE 18 19 92 91 12 14 DRIVE 35 3 4 34 6 DRIVE 22 94 93 95 13 15 12 11 10 9 8 7 6 5 4 2 1 25 X501 22 5MHz SPOFF RSI OPTICAL PICK UP I J A B C D E F PP VCC AUTO POWER CONTROL Q502 FOCUS COIL TRACKING COIL LDON SD SD AOUT AOUTB PROTECT SLED MOTOR COM W V U SPINDLE MOTOR XINTREC SW INLS 2 7V 6 19 20 1 12 1...

Page 111: ... 81 93 94 66 67 68 24 91 11 49 RVCC 2 8V Q804 SYSCON SECTION B KEYRMC OPT CONT AMUTE BEEP XJACK DET OPT DET XMIC DET XLINE DET KEY ON CLK CS XCSNV SDO2 SDI2 SCK 2 XCS ADA XPD ADA DTCK KEY RMC 90 89 7 5 6 96 1 SYSTEM CONTROL IC802 1 3 4 2 CS DO DI SCK NV RAM IC801 7 4 3 9 8 2 REAL TIME CLOCK IC805 X802 32kHz SDTO DIN LRCK BCK SDTI MCLK XRST SERVO SECTION A REMOTE J304 LINE OUT J302 MIC PLUG IN POWE...

Page 112: ...K S803 CLOCK SET S806 HOLD NORM LIMIT S809 DIGITAL MEGA BASS S807 SYNCHRO REC OFF ON OFF HOLD S801 DOOR OPEN RVCC 2 8V RESET IC804 3 TEMP METER IC803 4 X801 12MHz S901 BATTERY IN 1 5 2 7 CHARGE CONTROL IC901 4 3 1 5 DC DC CONVERTER IC903 CHARGE CONTROL Q902 3V Q901 Q903 PWM COMP RVCC 2 8V 4 3 1 5 DC DC CONVERTER IC902 PWM COMP PWM COMP ON OFF DRIVE Q904 1 2 2 7V REG Q908 909 ON OFF DRIVE Q904 2 2 ...

Page 113: ...nder no signal conditions no mark PB REC Impossible to measure Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Waveforms are taken with a oscilloscope Voltage variations may be noted due to normal produc tion tolerances Circled numbers refer to waveforms Signal path J PB digital c REC digital Abbreviation HK Hong Kong model J...

Page 114: ...tantalums All resistors are in Ω and 1 4 W or less unless otherwise specified indicates tolerance C panel designation A B Line H adjustment for repair Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage and waveforms are dc with respect to ground under no signal conditions no mark PB REC Voltages are taken with aVOM Input impedance 10 MΩ Voltage ...

Page 115: ...nd 1 4 W or less unless otherwise specified indicates tolerance C panel designation A B Line Power voltage is dc 3 V and fed with regulated dc power supply from external power voltage jack Voltage is dc with respect to ground under no signal condition no mark PB REC Voltages are taken with a VOM Input impedance 10 MΩ Voltage variations may be noted due to normal produc tion tolerances Signal path ...

Page 116: ...UT1 ADO DAC DBB DPGA 1 48 36 33 34 35 32 31 30 29 28 27 26 25 38 39 40 41 42 43 44 45 37 47 46 2 3 4 5 6 7 9 10 11 12 15 14 13 16 24 23 22 17 18 19 20 21 8 1 7 10 12 2 3 5 4 6 8 9 11 24 23 MUTE TC MUTE VREF BEEP BEEP IN GAIN CONTROL PRE GND LINE NF1 LINE IN1 IN1 IN2 LINE IN2 LINE NF2 VCC 1 RIPPLE VCC VCC OUT 1 NC CENTER OUT GND OUT 2 LINE OUT1 LINE VCC LINE OUT2 NC MUTE 22 21 20 19 18 17 16 15 14 ...

Page 117: ...VREF 20 F0CNT 19 XSTBY 18 XLAT 17 SCLK 16 SWDT 15 TEMPR 14 TEMPI 13 GND 12 APCREF 11 APC 10 PD 9 F 8 E 7 D 6 C 5 B 4 A 3 VC VI CONV BGR VREF SCRI PARA DECODE AUXSW COMMAND IVR GSW FF FBAL FF TG SEA 1 2 TG TEA WBL 3T EQ DET ADIP AGC WBL BPF22 BPFC ABCDA FEA WBL ATA CVB RFA1 1 2 1 2 GRVA OFST RFA2 GRV HLPT PTGR 2 1 1 2 BOTTOM PEAK RF AGC EQ EQ DET P P WBL 3T WBL TEMP PBH USROP USRC 3T BPF3T PEAK3T 1...

Page 118: ...8 9 10 11 12 13 15 16 17 18 14 26 25 27 28 29 21 20 24 23 19 22 33 32 31 30 VG STEP MOTOR DRIVER HALF BLIDGE DRIVER H BLIDGE DRIVER CH3 H BLIDGE DRIVER CH1 H BLIDGE DRIVER CH2 2 1 3 4 5 5 9 8 10 11 12 21 20 19 18 17 16 15 14 22 23 24 7 CBR REFRESH COUNTER ROW DECODER ROW ADDRESS BUFFER COLUMN ADDRESS BUFFER WORD DRIVER MEMORY CELL CLOCK GENERATOR DATA INPUT BUFFER DATA OUTPUT BUFFER ON CHIP VSS GE...

Page 119: ...D ERRIV GND VSET VG VGL PGNDG PGNDB HA HB PGNDA GND EFM VERF TIMING SELECTER DRIVE SIGNAL MIX LOGIC HIGH LOW SEPARATOR PRE DRIVE OPERATION CONTROL LOGIC PHASE CONTROL SCOPE WAVEFORM MIX EX OR TSD STANDBY 2 3 4 5 6 7 20 19 18 17 16 14 13 12 11 15 8 9 10 1 VCC RIB STBY BRK BRK FG VM U OUT RF U IN V IN W IN COM CST CSL 1 CSL 2 GND W OUT V OUT NC VREF VOUT VSS EXT BUFFER 2 STEP PFM CONTROL OSC 100 180...

Page 120: ... TIME COUNTER SEC MIN HOUR WEEK DAY MONTH YEAR SHIFT REGISTER INTERRUPT CONTROL VOLTAGE DETECT DIVIDER CORRECTION DIV OSC COMPARATOR W COMPARATOR D ADDRESS REGISTER ADDRESS DECORDER OSC DETECT I O CONTROL _ 1 2 3 4 8 7 6 5 REFERENCE VOLTAGE SOFT START S C P ERROR AMP SAW WAVE GENERATOR OUTPUT DRIVE CONTROL CIRCUIT 1 25V 0 5V 500 36K 0 1V DTC 0 6V 0 3V 30K FB OSC GND OUT IN SCP VCC BR CTL ...

Page 121: ... 4 5 1 9 7 6 10 8 1 1 1 LCD1 1 4 963 883 21 SCREW M1 4 PRECISION PAN 2 4 212 847 01 SCREW CLICK ARM STEP 3 1 803 307 11 SWITCH MODULE 4 4 212 856 01 BRACKET LCD 5 4 984 017 01 SCREW 1 7 TAPPING 6 X 4950 399 1 PANEL N ASSY BOTTOM GOLD 6 X 4950 400 1 PANEL L ASSY BOTTOM BLUE 6 X 4950 401 1 PANEL Y ASSY BOTTOM YELLOW 7 4 213 809 01 SHEET MIC 8 3 010 287 01 COLLAR DC IN 9 X 4950 406 1 ARM ASSY CLICK 1...

Page 122: ... X 4950 396 3 CHASSIS MAIN ASSY 55 4 212 821 01 SCREW MD STEP 56 A 3323 076 A MAIN BOARD COMPLETE E HK JE 56 A 3323 130 A MAIN BOARD COMPLETE US CND 56 A 3323 131 A MAIN BOARD COMPLETE AEP UK AUS 56 A 3323 132 A MAIN BOARD COMPLETE FR 59 3 335 797 91 SCREW M1 4 TOOTHED LOCK 60 4 995 436 01 SCREW HP STEP 61 X 4950 397 3 CASE ASSY BATTERY 62 4 963 883 21 SCREW M1 4 PRECISION PAN 63 4 212 824 02 LID ...

Page 123: ...2 5 111 4 212 310 01 GEAR RACK 112 4 212 309 01 GEAR WORM WHEEL 113 X 4950 392 1 CHASSIS ASSY GEAR 114 4 212 862 01 SCREW M1X1 3 PRECISION 115 1 671 605 11 MD FLEXIBLE BOARD 116 3 015 033 01 SCREW DIA 1 4X4 PRECISION 117 4 995 586 01 GEAR SD 118 4 900 615 01 SCREW LEAD 119 4 995 578 01 GEAR SC 120 X 4949 131 1 BRACKET S ASSY 121 4 995 571 01 SPRING THRUST 122 X 4950 546 1 SERVICE ASSY OP M1 1 763 ...

Page 124: ...03 1 125 926 11 TANTAL CHIP 4 7uF 20 6 3V C204 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C205 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C206 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C207 1 117 919 11 TANTAL CHIP 10uF 20 6 3V C208 1 113 619 11 CERAMIC CHIP 0 47uF 10 6 3V C209 1 164 937 11 CERAMIC CHIP 0 001uF 10 16V C210 1 125 926 11 TANTAL CHIP 4 7uF 20 6 3V C211 1 164 874 11 CERAMIC CHIP 100PF 5 16V C212 1 ...

Page 125: ...704 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C705 1 164 939 11 CERAMIC CHIP 0 0022uF 10 16V C706 1 164 939 11 CERAMIC CHIP 0 0022uF 10 16V C707 1 164 939 11 CERAMIC CHIP 0 0022uF 10 16V C709 1 119 923 81 CERAMIC CHIP 0 047uF 10 10V C710 1 125 837 11 CERAMIC CHIP 1uF 10 6 3V C711 1 125 777 11 CERAMIC CHIP 0 1uF 10 10V C712 1 164 943 11 CERAMIC CHIP 0 01uF 10 16V C801 1 107 820 11 CERAMIC CHIP 0 1uF 16...

Page 126: ...559 91 IC RN5RZ25AA TR IC501 8 752 080 95 IC CXA2523AR IC503 8 752 384 47 IC CXD2652AR IC505 8 759 559 60 IC MPC17A58DTBEL IC509 8 759 559 57 IC MN41X17400CTT 10T1 IC510 8 759 487 20 IC PST9330UL IC601 8 759 559 94 IC XC6383E401MR IC602 8 759 329 43 IC MPC18A20VM IC701 8 759 559 62 IC BA6966FV E2 IC801 8 759 468 72 IC AK6420AM E2 IC802 8 752 904 97 IC CXP740010 015R IC803 8 759 559 93 IC S 8110ANP...

Page 127: ... 11 RES CHIP 68K 0 50 1 16W R120 1 218 887 11 RES CHIP 47K 0 50 1 16W R121 1 218 887 11 RES CHIP 47K 0 50 1 16W R201 1 218 851 11 RES CHIP 1 5K 0 50 1 16W US CND E HK JE R201 1 218 855 11 RES CHIP 2 2K 0 5 1 16W AEP UK FR AUS R202 1 218 871 11 RES CHIP 10K 0 50 1 16W US CND E HK JE R202 1 218 863 11 RES CHIP 4 7K 0 5 1 16W AEP UK FR AUS R203 1 218 855 11 RES CHIP 2 2K 0 50 1 16W R204 1 218 851 11 ...

Page 128: ...16W R710 1 216 864 11 METAL CHIP 0 5 1 16W R801 1 216 857 11 METAL CHIP 1M 5 1 16W R802 1 216 857 11 METAL CHIP 1M 5 1 16W R804 1 216 864 11 METAL CHIP 0 5 1 16W 11 12 R805 1 216 857 11 METAL CHIP 1M 5 1 16W R806 1 216 845 11 METAL CHIP 100K 5 1 16W R807 1 216 833 11 METAL CHIP 10K 5 1 16W R808 1 216 833 11 METAL CHIP 10K 5 1 16W R809 1 216 864 11 METAL CHIP 0 5 1 16W 11 12 R810 1 216 845 11 METAL...

Page 129: ...Y U801 1 528 924 11 BATTERY VIBRATOR X501 1 767 498 11 OSCILLATOR CRYSTAL 22 5MHz X801 1 760 174 11 VIBRATOR CERAMIC 12MHz X802 1 579 886 11 VIBRATOR CRYSTAL 32kHz MISCELLANEOUS 3 1 803 307 11 SWITCH MODULE 106 1 418 079 11 PR UNIT 115 1 671 605 11 MD FLEXIBLE BOARD 122 X 4950 546 1 SERVICE ASSY OP LCD1 1 803 308 11 LCD MODULE M1 1 763 011 11 MOTOR SPINDLE INCLUDING TURNTABLE M2 1 763 174 11 MOTOR...

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Sony MZ-R55, Service Manual

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