Aiwa Microplate Reader Service Manual Download Page 33

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IC BLOCK DIAGRAM

IC, GMS3977RAA98F

4 fsc in

4 fsc out

C.Vin

Vref

CHAR bias

Dosc in

Dosc out

AFCLPF

AFCOSC

Vcc(OSD)

Vss(OSD)

COMP IN

C.Rotary SW

H.Amp SW

D.V SYNC

A.H.SW30

V.H.SW30

D.PG

CTL FB

PB-CTL

DUTY

DETECT

REC-CTL

VISS

DETECT

DUTY I/O

REC-CTL

GEN.CIRCUIT

REC
ASM

X-VALUE

CORRECTION

REF30X

(PLA)

(NTSC)

REC

ATF

ASM

PHASE ERROR

DETECT

DIGITAL

FILTER

REC

D.V CFG

ASM

SPEEED ERROR

DETECT

DIVIDE

CIRCUIT

PWM

SPEED ERROR

DETECT

AMP

HEAD SWITCHING

GEN.CIRCUIT

(HSW)

A/D TRIG.

SYNC.SEP.

CIRCUIT

V.SYNC

SERVO PART

SYNC.SEPARATOR

CIRCUIT

AFC

GENERATOR

CONTROL

DOT CLOCK

GENERATOR

DISPLAY

CONTROL

CONTROL CIRCUIT
DISPLAY POSITION

INTERNAL BUS

DISPLAY DATA

RAM(240BYTE)

ACCESS

FONT DATA ROM

(128 CHARACTER)

OUTLINE CONTROL

SHIFT REGISTER

DISPLAY DOT

CONTROL

CHARACTER LUMINANCE CONTROL

OUTLINE LUMINANCE CONTROL

Vchar

Vec

C.Vout

BLUE BACK

SUPERIMPOSE

BLUE VIDEO

SIGNAL

BLUE SIGNAL/

LUMINANCE GEN.

SYNC.SIGNAL

GENERATOR

SYNC.TIP

CLAMP

4/2 fsc

GENERATOR

COLOR BURST

COLOR PHASE

H/V SEPARATOR

H.SYNC

C.SYNC

V.SYNC

SYSTEM CLOCK

REFERENCE

SIGNAL

REFERENCE

SIGNAL

REC:ON

RES

4 HEAD SPECIAL PLAY

CONTROL CIRCUIT

D.V SYNC

GEN.CIRCUIT

DIGITAL

FILTER

OUT

SPEED ERROR

CORRECTION

FILTER

A/D

CONVERTER

ANALOG

PORT

DIGITAL

FILTER

PHASE ERROR

DETECT

REF30P(PB:30Hz,REC:1/2VD)

C.REF

DIGITAL

FILTER

DIVIDE

CIRCUIT

CTL OUT

CTL1

CTL2

CTL3

CTL+

CTL-

www. xiaoyu163. com

QQ 376315150

TEL 13942296513

TEL 13942296513 QQ 376315150 892498299

http://www.xiaoyu163.com

Summary of Contents for Microplate Reader

Page 1: ...shing and replaces Simple Manual S M Code No 09 006 346 8T1 PLAY STOP REC ITR PAUSE STILL REW F FWD ONE TOUCH PLAYBACK DA 4 HEAD AUTO HEAD CLEANING DIGITAL AUTO TRACKING www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 2: ...22 Lever F R 61 23 Gear Assembly H Up D K or Gear Assembly Up D K 61 24 Bracket Assembly Jog 62 25 Guide Rack F L Gear Rack F L 62 26 Brake Assembly Capstan 62 27 Gear Drive Gear Cam Gear Connector 63 28 Bracket Assembly L D motor 63 29 Gear Sector 64 30 Base Tension Plate Slider Lever Tension 64 31 Gear Assembly P3 Gear Assembly P2 65 32 Base Assembly P3 Base Assembly P2 65 33 Arm Assembly Idler ...

Page 3: ...ess than 180 seconds with T 120 tape Channel coverage VHF 2 yo 13 UHF 14 to 69 CATV 5A A 5 to A 1 A to W W 84 RF output VHF channel 3 or 4 switchable 66 dBµ Video input 1 0 Vp p 75 ohm unbalanced Video output 1 0 Vp p 75 ohm unbalanced Horizontal resolution 230 lines Video S N 43 dB at SP Audio track 3 tracks Hi Fi sound 2 tracks Normal sound 1 track Audio input 6 dBs 47 kohm Audio output 6 dBs le...

Page 4: ...n C B 2 Disconnect the ACE head FF cable from the connector P3D02 on the Main C B 3 Remove 6 screws A Fig 3 5 Main C B Removal see Fig 4 1 Release the tab holding the panel assy distri butor 2 Release 6 tabs and then simultaneously lift the panel as sembly distributor and Main C B to remove them Fig 4 TAB TAB PANEL FRONT JACK C B KEY C B TAB TAB 1 2 P9M02 P9M01 MAIN C B PMD01 FF CABLE FF CABLE A A...

Page 5: ...ontact Location Install spacers at locations A and B MAIN C B D33 MECHANISM SPARSER 60mm MAIN C B D33 MECHA SPARSER REAR PANEL A B Top View CYLINDER HEAD CLEANER www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 6: ...s 7 kHz SP CH 1B 4 NTSC Color bar 1 kHz EP No Changed CH 1B 3 NTSC Color bar No sound SP HiFi 400 Hz PAL Stairsteps 1 kHz SP CH 2 2 3 CH 2 4 PAL Color bar 1 kHz LP CH 2 1 PAL Stairsteps 6 kHz SP No Changed CH 2 3 PAL Color bar No sound SP HiFi400 Hz No Changed PB Y Level General electrical ADJ Head ACE Height Tilt ADJ For S VHS SQPB check Switching position ADJ For S VHS SQPB check Head ACE Azimut...

Page 7: ...P E 47 16V C317 87 010 078 080 CAP E 47M 6 3V C320 87 015 681 080 CAP E 10 16V C324 87 015 681 080 CAP E 10 16V C327 87 010 403 040 CAP E 3 3 50V C328 87 015 681 080 CAP E 10 16V C330 87 010 402 040 CAP E 2 2 50V C331 87 015 695 080 CAP E 1 0 50V C332 87 015 695 080 CAP E 1 0 50V C335 87 010 078 080 CAP E 47M 6 3V C342 87 010 078 080 CAP E 47M 6 3V C345 87 015 698 080 CAP E 4 7 50V C347 87 015 698...

Page 8: ... TS A LGC 10P MP P3D02 S6 30R 5S0 08E CONN 6P P3D03 S5 612 51B 000 GB201 2P TS B LGC P PMC01 S6 30R BE0 1H0 CONN 8P PMD01 S5 612 34V 000 GF120 07S TS LGC 7P SP PMK01 S6 30R 2P0 11J CONN 10P PMK02 S6 30R 2P0 11D CONN 5P PML01 S6 30R 2S0 11A CONN 2P PW101 S5 612 92B 000 GP390 LGC 3P STRAIG P R101 S6 140 07K 000 RES CEM 3 3 2W R102 S6 140 13C 000 RES RCR50 2 2M J M15 R104 SR S33 02K 619 RES M F 33K 2...

Page 9: ... KTC3203 2SA928 KSC2328 KTC4419 E C B E C B E C B E C B www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 10: ...1 GND MODE S1 MODE S2 MODE S3 MODE S4 M5S01 2 3 4 5 1 2 1 P3D03 GND FULL ERASE PD303 2 1 2 3 4 5 1 P9M02 GND VIDEO L2 GND AUDIO L L2 AUDIO R L2 GND GND PMK02 2 3 4 5 6 7 1 2 3 4 5 6 7 GND 8 8 GND 10 10 0 KEY RTN 9 9 1 P9M01 GND KEY RTN 1 OTPB H 5 3VA GND PMK01 2 3 4 5 1 2 3 4 5 LOWER DRUM CAPSTAN MOTOR ACE HEAD MS501 MODE SW FULL ERASE HEAD LOADING MOTOR CYL HEADS MAIN C B JACK C B KEY C B www xia...

Page 11: ... TO SYS FD TO SYS FD 36V 12V TO OSD 5 1V 12V CAP TO SYS DRUM 5 1V ANALOG TO AVCP Hi Fi FROM SYS 5 2V TO SYS TU IF SNUBBER BLOCK Q102 D101 D103 D104 R106 R109 R108 C107 C108 C112 D102 R104 C105 C106 D109 C120 L104 C121 RECTIFIER SMOOTHING DIF2 FIF2 CIF2 RIF1 RECTIFIER SMOOTHING DIF1 FIF1 CIF1 VOLTAGE DOWN D151 D152 D153 D106 C116 L103 C117 Q157 R163 R164 Q159 R165 R166 C157 C156 ZD154 SWITCHING BLO...

Page 12: ...N u COM 55PIN F SYS VCR H u COM 90PIN F SYS IIC CLOCK u COM 9PIN TO SYS AFT TO Hi Fi SIF OUT TO AVCP V OUT AUD IN FROM Hi Fi AUDIO u COM 91PIN F SYS IIC DATA VHF UHF RF OUT JK301 LINE 1 VIDEO OUT VIDEO PB SIGNAL VIDEO REC SIGNAL AUDIO PB SIGNAL AUDIO PB SIGNAL www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498...

Page 13: ...UEL CH CLEAR SYNC CLAMP CLAMP Sharpness CONTROL YNR NC SYNC SEP C SYNC NL De eMPH VCA C K LPF BD BPF CCD LPF APC ACC DET L DET Main Conv2 Main Conv1 X tal VCO OSC To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION 7 6 5 10 9 8 P3D01 CH2 CH1 CH2 CH1 SP EP X301 3 58MHz DLIM Double Limit FBC Feed Back Clamp YNR Y Noise Reduction APC Automatic P...

Page 14: ... B E C K CCD LPF L DET VCD 4dB f0 1 68M f 0DEV Adjst X tal VCO OSC Serial Cont interface DATA CLOCK V H SW SP CH2 SP CH1 EP CH2 EP CH1 75 IC301 HA118717LF AUDIO VIDEO PROCESSOR To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION 20 V OUT TU701 TUNER JK301 VIDEO IN LINE 1 LINE 2 PMK01 P9M02 JK903 VIDEO IN JACK C B To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD S...

Page 15: ...PROCESSOR VCA EQ AMP 57 62 11 59 MOD A OUT DATA CLOCK R P HEAD N A IN EQ OUTPUT SELECTOR 62 63 1 100 2 53 R P HEAD AUDIO IN L AUDIO IN R JK301 LINE 1 TU701 TUNER 10 15 48 18 SIF INPUT SW L INPUT SW R DEM BLOCK SAP DEMOD DBX NOISE REDUCTION MATRIX AUDIO IN R AUDIO IN L JK903 LINE 2 9 14 SW P9M02 PMK01 6 4 JACK C B REC AUDIO SIGNAL IC801 AN3662FBP V Hi Fi AUDIO PROCESS 11 DET VCA 62 61 9 REC AMP 81 ...

Page 16: ...SS ENA H 66 ACSS OSD ENA L 90 91 OSD H REC H 6 MTS IN 87 79 C SYNC 62 A MUT H To TUNER IF SECTION To AUDIO VIDEO SECTION To Hi Fi AUDIO SECTION To MECHA DECK 12VA 1 2 PML01 CS501 CST TAP SW SW901 CH UP SW902 CH DOWN SW903 EJECT SW904 POWER STANDBY ON SW905 REC ITR SW906 PAUSE STILL SW907 REW SW908 PLAY SW909 F FWD SW910 STOP SW911 ONE TOUCH PLAYBACK ZD503 D501 C504 C510 R580 5 2V 5 1V VIDEO IN 2Fs...

Page 17: ... N20 ICP N20 ERC81 004L22 RU3YX LFC1 To SYSTEM CONTROL SERVO OSD SECTION To Hi Fi AUDIO SECTION To TUNER IF SECTION To SYSTEM CONTROL SERVO OSD SECTION To AUDIO VIDEO SECTION To Hi Fi AUDIO SECTION To SYSTEM CONTROL SERVO OSD SECTION POWER CONTROL POWER CONTROL 36V SW 12V REG 5 2V REG 5 1V REG 5 1V REG 5 1V SW DRUM CAP w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3...

Page 18: ...4 7 7 3 4 2 4 6 7 A Y 4 7 3 7 2 7 1 7 1 4 5 7 OUT OUT L IN L OUT R IN R VIDEO AUDIO IN LINE 1 To Hi Fi AUDIO SECTION To Hi Fi AUDIO SECTION To Hi Fi AUDIO SECTION To TUNER IF SECTION To TUNER IF SECTION To SYSTEM CONTROL SERVO OSD SECTION To POWER SECTION AUDIO VIDEO PROCESSOR Q302 Q303 REC OSC SW Q304 Q307 REC SW BIAS OSC w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L...

Page 19: ...in 51 D V SYNC TRICK MODE IC301 Pin 55 COLOR OUT PB MODE IC301 Pin 81 V H S W30 IC301 Pin 71 3 579545M OSC IC301 Pin 79 PB RF 11 13 12 13 12 IC301 Pin 81 V H S W30 13 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 20: ... 0 2 2 0 0 2 5 0 8 2 5 2 5 0 0 0 7 0 0 7 4 9 0 2 6 3 8 1 8 1 7 2 6 2 5 2 5 0 9 2 5 0 1 7 0 0 5 0 0 5 4 9 2 3 0 3 5 1 3 2 2 3 4 3 3 5 0 3 4 5 9 2 3 0 0 5 9 11 8 6 0 0 8 2 5 2 4 2 2 REC PB MODE PIN NO 64 IC501 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 53 0 4 0 0 0 PULSE PULSE 0 0 0 0 0 0 1 0 5 34...

Page 21: ... 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 IC5F1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 11 8 0 7 0 3 5 1 0 5 1 5 2 0 4 9 0 2 8 5 2 5 2 0 0 2 5 2 2 7 5 1 5 2 5 2 5 2 0 2 0 0 2 5 2 3 4 4 6 4 8 5 2 5 1 5 2 5 2 5 2 0 0 0 0 0 0 6 5 3 5 2 4 7 0 0 0 0 5 3 27 20 9 17 7 30 5 11 6 0 7 0 3 5 1 0 5 1 5 2 0 4 9 0 2 8 5 2 5 2 0 0 2 5 2 2 7 5 1 5 2 5 2 5 2 0 2 0 0 2 5 2 3 1 4 6 4 8 5 2 5 1 5 2...

Page 22: ... Pin 1V 10µS REC PB modes DPG IC501 Pin 500mV 10µS EE PB modes V OUT IC501 Pin 1V 1mS REC PB modes CFG IC501 Pin 100mV 10µS EE PB modes V IN IC501Pin 54 1V 20µS EE PB modes C SYNC www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu...

Page 23: ...3 UPD16311GC AB6 3 3 3 3 3 3 7MT229GK 2 15 4 15 TSOP1238SP1 REMOTE SENSOR 1 15 1 8 1 3 1 3 4 7 4 6 5 7 5 6 6 7 6 6 1 3 3 3 2 3 3 15 To JACK C B P9M02 To KEY C B P9M01 To TUNER IF SECTION To Hi Fi AUDIO SECTION To AUDIO VIDEO SECTION To POWER SECTION To AUDIO VIDEO SECTION To LOWER DRUM PDM01 To CAPSTAN MOTOR PCM01 MODE SW To LOADING MOTOR To AUDIO VIDEO SECTION Q514 Q515 WAVE FORM SHAPER VCC SW VC...

Page 24: ...ON To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION To AUDIO VIDEO SECTION To AUDIO VIDEO SECTION To SYSTEM CONTROL SERVO OSD SECTION PB AUDIO SIGNAL REC AUDIO SIGNAL EE AUDIO SIGNAL Hi Fi AUDIO PROCESS Q801 Q803 AUDIO MUTE SW w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 ...

Page 25: ... 3 10 3 5 7 3 1 3 1 4 2 1 5 9 2 6 10 5 3 1 2 4 6 B C E 1 3 5 7 9 10 3 1 1 2 8 6 4 2 1 3 5 7 13 12 11 10 9 8 7 6 5 4 3 2 1 1 4 3 2 E C B B C E 1 2 3 4 E C B E C B E C B E C B E C B E C B E C B E C B B C E 1 3 5 E C B B C E 3 1 4 2 MAIN C B VIDEO OUT IN AERIAL VHF UHF RF OUT AUDIO R L LINE 1 1 3 5 6 8 10 12 14 16 17 20 32 31 CIRCUIT BOARD DIAGRAM 1 MAIN C B w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 ...

Page 26: ...C B SYSCON SERVO SECTION PMK02 REC ITR PAUSE STILL REW F FWD PLAY STOP ONE TOUCH PLAYBACK EJECT POWER STANDBY ON LINE 2 SW909 B C E Q901 R910 LD901 R911 R909 R908 R907 R906 R905 R904 1 5 P9M01 To MAIN C B PMK02 3 SW909 F FWD SW907 SW907 REW SW908 SW911 SW910 SW906 SW905 SW908 PLAY SW910 STOP SW906 PAUSE STILL SW905 REC ITR SW911 ONE TOUCH PLAYBACK LD901 OTPB KEY C B 10 5 1 P9M02 R901 R902 R903 To ...

Page 27: ... To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION To SYSTEM CONTROL SERVO OSD SECTION PB VIDEO SIGNAL REC VIDEO SIGNAL PB AUDIO SIGNAL REC AUDIO SIGNAL w w w x i a o y u 1 6 3 c o m Q Q 3 7 6 3 1 5 1 5 0 9 9 2 8 9 4 2 9 8 T E L 1 3 9 4 2 2 9 6 5 1 3 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www ...

Page 28: ...value Note When the DC level of the envelope is at its maximum it is considered tracking properly KEY RTN 0 1 2 3 4 5 6 7 8 9 10 11 12 13 TAKE UP SENSOR VSS A D END SENSOR TAKE UP REEL SUPPLY REEL MTS IN LEVEL METER L LEVEL METER R AFT PG ADJ A ENV V ENV KEY RTN 0 IC GMS3977RAA98F Each operating mode Sec PLAY REC SP 3 EP LP 6 FF REW 2 CUE REV 1 KEY RTN1 1 Input detector port of A D input key Sampl...

Page 29: ...k Functions which control capstan motor phase at playback check tape speed Viss and Real time counter are performed by using CTL pulse input output Servo circuit GND in the µ COM Port for gain Amp control of CTL pulse during recording and playback D FG pulse input according to rotation of drum motor Produces Audio Video Head S W 30Hz by using these pulses And it is used as a comparison signal for ...

Page 30: ...ing signal to output normal audio and speakez 2 Outputs H in Speakez Mode 1 Port to detect CST cassette tape switch input state 2 With CST S W input state determaines whether CST tape is inserted or not Input H signal from AVCP in super tape PB mode option High H applied turns on the OSD or POWER 1 A signal to switch voltages 5 3V 12V on off whitch is controlled by the power key 2 Outputs H in pow...

Page 31: ...LOADING LOADING 1 L H L H RETURN 2 L L L H EJECT 3 L L H L ULC 4 L H H L LOADING START 5 H H L L LOADING END 6 H L L L TUNE 7 H L H H REV 8 H L H H PLAY 9 H L L H STOP 10 H H L H FF REW MODE MODE MODE MODE DECK POSITION SW4 SW3 SW2 SW1 NAME No Description of Deck Positions Cassette insertion standby mode For cassette insertion and ejection Mode in which base assemblies P2 and P3 are completely unl...

Page 32: ...wer failure is detected this pin goes L and the following sequence of events occurs 2 Power failure detector timing sequence A reference CLOCK for Hi Fi TU IF MTS SPEAKER A reference DATA for Hi Fi TU IF MTS SPEAKER For LED clock model Outputs chip enable signal for FLD Drive IC IC5F1 Outputs clock signal to operate FLD Drive IC IC5F1 Serial interface signals for FLD Drive IC control For LED clock...

Page 33: ...N INTERNAL BUS DISPLAY DATA RAM 240BYTE ACCESS FONT DATA ROM 128 CHARACTER OUTLINE CONTROL SHIFT REGISTER DISPLAY DOT CONTROL CHARACTER LUMINANCE CONTROL OUTLINE LUMINANCE CONTROL Vchar Vec C Vout BLUE BACK SUPERIMPOSE BLUE VIDEO SIGNAL BLUE SIGNAL LUMINANCE GEN SYNC SIGNAL GENERATOR H V SYNC TIP CLAMP 4 2 fsc GENERATOR COLOR BURST COLOR PHASE 45 REGISTER H V SEPARATOR H SYNC C SYNC V SYNC SYSTEM ...

Page 34: ... IC5F1 IC501 PMK02 T101 H SW P3D01 IC801 TU701 W362 W361 MAIN C B TOP VIEW Adjustment Location www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 35: ...W W361 362 and CH2 to the Video Out for the VCR 3 Trigger the mixed Video Signal of CH2 to the CH1 H SW W361 W362 and then check the distance time difference which is from the selected A B Head point of the H SW W361 W362 signal to the starting point of the vertical synchronized signal to 6 5H 0 5H 412µs 1H 63 5µs WAVEFORM H SW 6 5H 412µs Composite VIDEO www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2...

Page 36: ...G5F1 11 MAIN C B TU701 10 9 6 A B C 8 7 C C www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 37: ...TABLE Basic color symbol Color Basic color symbol Color Basic color symbol Color B Black C Cream D Orange G Green H Gray L Blue LT Transparent Blue N Gold P Pink R Red S Silver ST Titan Silver T Brown V Violet W White WT Transparent White Y Yellow YT Transparent Yellow LM Metallic Blue LL Light Blue GT Transparent Green LD Dark Blue DT Transparent Orange GM Metallic Green YM Metallic Yellow DM Met...

Page 38: ...14 032 109 108 426 A22 A23 A21 107 106 115 116 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 39: ...R 110 ARM F L L 112 BODY F L 113 SPRING F L R 114 ARM F L R 115 S9 70R 005 0A0 SPRING SWITCH 116 S5 10R 002 0A0 LEVER SWITCH 117 SPR PLATE 426 87 261 094 410 PAN HEAD SCREW 3 6 A21 S9 31R 003 1A0 HOLDER ASSY CST A22 S8 11R 001 8A0 BRACKET ASSY DOOR A23 S2 61R 001 6A0 ARM ASSY F L www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513...

Page 40: ...05 401 007 006 A03 009 025 026 027 A04 011 031 018 019 021 020 029 003 004 409 016 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 41: ... 000 4A0 BRAKE ASSY T 022 S5 238 33B 000 HEAD FE D33 023 S9 80R 001 0A0 SUPPORTER CST 024 S2 61R 001 3A0 ARM ASSY IDLER 025 BRACKET L D MOTOR 026 MOTOR ASSY L D 027 S4 70R 002 5A0 GEAR WHEEL 028 S4 08R 000 2B0 REEL T 029 S2 61R 001 1B0 PINCH ARM ASSY 031 S9 70R 006 9A0 SPRING TENSION 032 S1 41R 000 2B0 CHASSIS ASSY D33 401 SM PC0 261 418 SCREW 2 6 4 0 406 87 261 094 410 PAN HEAD SCREW 3 6 409 87 7...

Page 42: ...18 517 061 062 060 063 519 051 059 A14 058 MECHANISM EXPLODED VIEW 3 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 43: ... 003 4A0 GEAR SECTOR 065 LEVER P3 066 SORING L D 067 GEAR P3 068 GEAR P2 069 SPRING L D 070 LEVER P2 077 S3 00R 015 7A0 PLATE SLIDER 078 S5 10R 002 2A0 LEVER TENSION 079 S0 40R 002 1A0 BASE TENSION D 33K 410 SA PF0 262 218 SCREW PAN HEAD 2 6 6 8 426 87 261 094 410 PAN HEAD SCREW 3 6 517 SW ZZR 000 4B0 WASHER STOPPER 518 SW ZZR 000 4A0 WASHER STOPPER 519 SW ZZR 000 4D0 WASHER STOPPER A11 S4 70R 002...

Page 44: ... 2 2 3 4 5 6 7 ArmAssemblyF L ChassisHole A 2 2 3 4 5 8 LeverAssemblyS W ChassisHole A 2 9 ArmAssemblyCleaner ChassisEmbossing A 3 10 HeadF E 2 Hooks A 3 11 BaseAssemblyA CHead 1 Screw A 3 12 BrakeAssemblyS ChassisHole A 4 2 3 13 BrakeAssemblyT ChassisHole A 4 2 3 12 14 ArmAssemblyTension ChassisHole A 4 2 3 12 14 15 ReelS ChassisShaft A 4 2 3 13 16 ReelT ChassisShaft A 4 17 SupportCST ChassisEmbo...

Page 45: ...move two Screws S2 and Separate the Stator of Drum Motor 4 Remove two Screws S3 and Separate the Rotor of Drum Motor from the Drum Sub Assembly 1 When reassembling Cap FPC two Holes of Drum FPC are inserted to the two Bosses of Holder FPC correctly Refer to Fig B 1 Fig A 1 NOTE Fig A 1 1 Fig A 1 1 Fig B 1 Holder FPC Drum FPC Cap FPC Figure in the opposite direction www xiaoyu163 com QQ376315150 9 ...

Page 46: ...4 Bracket Assembly Door S4 S4 Arm F L Holder Assembly CST Lever Stopper R Fig A 2 Fig A 2 1 Fig A 2 2 Fig A 2 6 Fig A 2 7 Fig A 2 5 Fig A 2 3 Fig A 2 4 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

Page 47: ... Door Fig A 2 5 1 Remove the Screw S4 and disassemble the Bracket Side L in the front 2 Remove the Screw S4 and disassemble the Bracket Assembly Door in the front 6 Arm Assembly F L Fig A 2 6 1 Push the Arm Assembly F L to the left and lift up it 1 When reassembling confirm that the Gear A of the Arm F L and the Gear B of the Gear Rack F L are assembled as below 7 Lever Assembly S W Fig A 2 7 1 Ho...

Page 48: ... and lift up the Head F E 10 Base Assembly A C Head Fig A 3 3 1 Remove the Screw S5 and lift up the Base Assembly A C Head NOTE DECK MECHANISM DISASSEMBLY H1 Head F E Arm Assembly Cleaner A S5 Base Assembly A C Head For Jog Shuttle Models Fig A 3 Fig A 3 1 Fig A 3 3 Fig A 3 2 Spring Lever S W H5 H5 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 ...

Page 49: ...e No 11 Refer to Fig B 2 13 Arm Assembly Tension Fig A 4 3 1 Remove the Spring Tension 2 Hold the C part shown above Fig A 4 3 and turn to the clock wise direction and then lift up theArmAssembly Tension 1 When reassembling be careful not to change the Spring with above No 11 12 Refer to Fig B 2 14 Reel S Fig A 4 4 Reel T Fig A 4 5 1 Lift up the Reel S and Reel T 1 When reassembling be careful not...

Page 50: ...1 Break away the C Part of the Opener Lid from the Embossing of the Chassis in the Clockwise direction and lift up the Opener Lid 18 Arm Assembly T up Fig A 5 4 1 Just lift up the Arm Assembly T UP 1 When reassembling confirm the opener lid is placed on the Hook H1 of the Arm Assembly T UP as below figure 19 Arm Assembly Pinch Fig A 5 5 1 Lift up the Arm Assembly Pinch NOTE H1 Opener Lid Arm Assem...

Page 51: ...y D33 K Fig A 6 3 1 Remove the Washer W1 and lift up the Clutch Assembly D33 K 22 Lever F R Fig A 6 4 1 Unhook the H1 shown above Fig A 6 4 and lift up the Lever F R 1 When reassembling move the C part of the Lever F R up and down then confirm if it is returned to original position 23 Gear H Up D K or Gear Up D K Fig A 6 5 1 Remove the Washer W2 and lift up the Gear H up D K 2 Remove the Spring Up...

Page 52: ...ft up the Guide Rack F L 2 Lift up the Gear Rack F L 26 Brake Assembly Capstan Fig A 7 4 4HD model option 1 Hook the Spring Capstan on the Hook H1 2 Unhook the Hook H2 and lift up the Brake Assembly Capstan Refer to Fig to the right 1 When reassembling confirm that the Hole A of the Brake Assembly Capstan is aligned to the Hole B of the Gear Cam Refer to above Fig A 7 4 NOTE Hook H2 Hook H2 Fig A ...

Page 53: ...of the Chassis Fig A 8 3 2 When reassembling confirm that the Hole B of the Gear Cam is aligned to the Hole B of the Chassis Fig A 8 2 3 When reassembling confirm that the C part of the Gear Cam is aligned to the D part of the Gear Drive as shown Fig B 3 28 Bracket Assembly L D Motor Fig A 8 4 1 Unhook the three Hooks H1 H2 and push down the Bracket Assembly L D Motor NOTE Gear Cam C Gear Drive D ...

Page 54: ...Plate Slider 3 Hold the A Part of the Lever Tension and turn to the counterclockwise direction and then lift up the Lever Tension 1 When reassembling turn the Lever Tension to the clock wise direction in maximum 2 Push the plate slide right side to be guided by the shaft NOTE Fig A 9 1 Fig A 9 2 Fig A 9 4 Fig A 9 3 www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0...

Page 55: ... P3 2 Move the Base Assembly P2 in the direction of the arrow of the Chassis Hole B and push down the Base Assembly P2 33 Arm Assembly Idler or Arm Assembly Idler Jog Fig A 10 5 1 Unhook the Hook H3 and push down the Arm Assembly Idler Jog 1 Arm Assembly Idler is for Normal Models 2 Arm Assembly Idler Jog is for Jog Shuttle Models 1 When reassembling confirm that the A Part of the Gear Assembly P3...

Page 56: ...Envelope A PAL SP LP 2 4 Head TTV P2L B PAL SP 2 Head TTV P2 C NTSC SP LP EP 2 4 Head TTV N1 TTN N12 D NTSC SP 2 Head TTV N2 Slantness Height Azimuth A commercially available tape A C Head TTV P1 TTV P1L TTV P2 TTV P2 TTV N1 TTV N12 TTV N2 TTV N2 TTV P1 TTV P2 TTV P2 TTV N1 TTV N12 TTV N1E TTV N2 TTV N2 TTV N2E A commercially available tape SRK VHT 303 RG Post lnclination Tape Back Tension The num...

Page 57: ...rm if the Gear Cam is aligned with the Gear Drive as below Fig C 1 A 5 Confirm if the Mode S W on the Main P C Board is aligned as below Fig C 1 B 6 Remount the Deck Mechanism on the Main P C Board and check each operation Mode S W Gear Cam Gear Drive A B L D Motor Assembly Gear Cam Hole Gear Cam Chassis Hole Test Equipment Fixture Blank tape Test Conditions Mechanism Condition Eject Mode with Cas...

Page 58: ... from Fast Forward of Rewind Mode when quick bracking is applied to both Reels SRK VIDEO CASSETTE TORQUE METER VHT 303 S R K V H T S SRK V HT T 300 250 200 150 50 0 300 250 200 150 50 0 100 Test Equipment Fixture Torque Gauge 600g cm ATG Torque Gauge Adaptor Cassette Torque Meter SRK VHT 303 Checking Method Perform each Deck Mechanism Mode without inserting a Cassette Tape Refer to above No 2 Prep...

Page 59: ...tate Play an Alignment Tape Adjustment Point Guide Roller Height Adjustment Screws Fig C 4 2 Fig C 4 3 P3 POST ADJUSTMENT P2 POST ADJUSTMENT Turn the Roller Guide Height Adjustment Screw slightly to flatten the waveform Tracking control at center RF ENVELOPE OUTPUT TEST POINT OSCILLOSCOPE HEAD SWITCHING OUTPUT TEST POINT Turn Move the tracking control to both directions 4 1 Preliminary Adjustment ...

Page 60: ...he Preliminary Adjustment when there is no Audio Output Signal with the Alignment Tape 1 Initially adjust the Base Assembly A C Head as shown Fig C 5 1 by using the Height Adjustment Screw B 2 Play a Blank Tape and observe if the Tape passes accu rately over the A C Head without Tape Curling or Folding 3 If Folding or Curling is occured then adjust the Tilt Adjustment Screw C while the Tape is run...

Page 61: ...etween the two Frequencies Adjustment Procedure 5 3 Precise Adjustment Azimuth adjustment 6 X Value Adjustment Fig C 5 4 1KHZ Oscilloscope Alignment tape SP only Screw Driver Type 5mm CH 1 PB RF Envelope CH 2 NTSC SW 30Hz PAL SW 25Hz Head Swithching Output Test Point RF Envelope Output Test Point Test Conditions Mechanism Condition Play an Alignment Tape Adjustment Point Connection Point Test Equi...

Page 62: ...se Adjustment Switching Point Tracking Preset X Value Checking Adjustment Procedure Play a blank tape and check for tape curling or creasing around the roller guide If there is a problem then follow the procedure 4 Guide Roller Height and 5 Audio Control A C Head Adjustment RF ENVELOPE OUTPUT TEST POINT OSCILLOSCOPE HEAD SWITCHING OUTPUT TEST POINT Connection Diagram Waveform V1 V MAX 0 7 V2 V MAX...

Page 63: ...place See the EXPLODED VIEWS at the end of this manual as well as the above illustrations See the Greasing Page 75 for the sections to be lubricated and greased NOTE o o o o Dirt on video head Dirt on tape transport system Low volume Sound distorted Tape does not run Tape is slack o In Review and Unloading off mode the Tape is rolled up loosely Clutch Assembly D33K Torque reduced Cleaning Drum and...

Page 64: ...ht and left Do not move the cleaning patch vertically Make sure that only the buckskin on the cleaning patch comes into contact with the head Otherwise the head may be damaged Thoroughly dry the head Then run the test tape If lsopropyl Alcohol remains on the video head the tape may be damaged when it comes into contact with the head surface 2 Clean the tape transport system and drive system etc by...

Page 65: ... Inside Hole 8 Reel S T Shaft G381 Yellow 9 Brake T Groove Guide Rail Gear Assembly Up D Gear Drive Gear Sector Gear Cam Press Cam Part Cam Part Gear Part Stopper Part Bracket Side L Bracket Assembly Door 1 4 5 7 6 3 2 1 Loading Path Inside Top side 2 Shaft 3 Gear Rack F L Moving Section 4 Shaft 5 Lever Tension Groove 6 Clutch Assembly D33 Shaft 7 Brake S Rubbing Section Chassis Top Chassis Bottom...

Page 66: ...R Mode Is the mode SW assembled correctly Refer to Page 67 Is the normal voltage supplied to the Capstan Motor Vcc1 Vcc2 Does terminal voltage Vctl of Capstan Motor supply side more than 4V Check Servo Power Circuits Replace the Capstan Motor Does the Capstan Motor rotate Do the T Up Supply Reel rotate Check syscon circuit YES YES YES YES YES YES B YES www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9...

Page 67: ... Insert the cassette Check Cassette Carry Assembly Is there variation for F L S W Output In Tape with REC Tab L H L In Tape without REC Tab L H L H Does the F L S W work normally Does the lever S W work normally Check Syscon Circuit Check Syscon Circuit Replace F L S W YES YES YES YES YES YES NO NO NO NO NO NO YES C D www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 ...

Page 68: ...oltage of the Drum Motor more than 2 3V Replace the Drum Motor Is the Vcc voltage of the Drum Motor normal Check the clutch and the Idler Assembly YES YES YES YES YES YES YES YES NO NO NO NO NO Is the terminal voltage of Capstan Motor supplied more than 4V Replace the Capstan Motor Is the Voltage supplied to the Capstan Motor Vcc1 Vcc2 each YES YES YES Check Servo Power NO NO NO E www xiaoyu163 co...

Page 69: ...rt or Replace the main P C Board NO Check Mode switch location and syscon circuit Replace F L Switch YES NO YES NO NO Replace F L Switch NO NO Cassette will not eject Does the L D motor rotate in reverse Check L D Motor or Drive IC Replace lever Switch Does the Lever Switch work YES NO NO Does the Arm Assembly F L work normally YES NO Does the Opener Door work YES Replace Arm Assembly F L Replace ...

Page 70: ...ck F L Does the Gear Rack F L work Does the Opener Door work Does the Arm Assembly F L work Does the L D Motor work Does the Holder Assembly Cassette move the Arm Assembly F L Replace the Front Loading Mechanism Assembly YES YES YES YES NO NO NO YES NO YES NO YES NO C www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 37631515...

Page 71: ...27 3111 931196 Printed in Singapore www xiaoyu163 com QQ376315150 9 9 2 8 9 4 2 9 8 TEL 13942296513 9 9 2 8 9 4 2 9 8 0 5 1 5 1 3 6 7 3 Q Q TEL 13942296513 QQ 376315150 892498299 TEL 13942296513 QQ 376315150 892498299 http www xiaoyu163 com http www xiaoyu163 com ...

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