background image

TROUBLESHOOTING GUIDE

CYLINDER NOT ROTATING
DURING PLAYBACK AND
RECORDING

No

No

Yes

Yes

Check AT 12.6V line of
POWER BLOCK.

Is the voltage at pin 2 of
CP1002 about DC12.6V ?

In playback, is the voltage
at pin 5 of CP1002 about
DC1.5V ?

Replace CYLINDER MOTOR.

Check IC1002.

E-3

www.freeservicemanuals.info

18/1/2015

Digitized in Heiloo, Holland

Содержание HV-GX900 K

Страница 1: ...10 hours with E 300 tape NTSC playback only SP 3 hours 30 minutes with T 210 tape 1 0 Vp p 75 ohm unbalanced 1 0 Vp p 75 ohm unbalanced 53 dB nominal 3 8dBs 50K ohm 3 8dBs less than 1 Kohm 1 track Mono 135 seconds with E 180 tape 108 seconds with E 180 tape TAPE SPEED RECORDING PLAYBACK TIME VIDEO INPUT VIDEO OUTPUT VIDEO S N AUDIO INPUT AUDIO OUTPUT AUDIO TRACK FAST FORWARD TIME REWIND TIME POWER...

Страница 2: ...YSCON HV GX900K Y C AUDIO HEAD AMP SCHEMATIC DIAGRAM HV GX900K SYSTEM CONTROL SERVO TIMER SCHEMATIC DIAGRAM HV GX900K 21PIN OSD VPS SCHEMATIC DIAGRAM HV GX900K TUNER HIFI SCHEMATIC DIAGRAM HV GX900K POWER SCHEMATIC DIAGRAM HV GX900K DISPLAY SCHEMATIC DIAGRAM INTERCONNECTION DIAGRAM HV GX900K PRINTED CIRCUIT BOARDS SYSCON HV GX950K Y C AUDIO HEAD AMP SCHEMATIC DIAGRAM HV GX950K SYSTEM CONTROL SERVO...

Страница 3: ...loser to the pyrogenic parts and high voltage parts Therefore put these parts in the original positions PERFORM A SAFETY CHECK AFTER SERVICING 4 Confirm that the screws parts and wiring which were removed in order to service are put in the original positions or whether there are the portions which are deteriorated around the serviced places serviced or not Check the insulation between the antenna ...

Страница 4: ...on of arrow C A C B Flap Fig 1 2 1 1 1 A 2 2 2 2 Operation 1 PCB 3 3 3 B 2 2 2 4 4 4 4 Operation 2 PCB Front Cabinet 1 3 DECK CHASSIS Refer to Fig 1 3 Remove the 3 screws 1 Remove the screw 2 Disconnect the following connectors CP1001 CP1002 CP1004 CP4001 and CP4002 Remove the Deck Chassis in the direction of arrow 1 2 3 4 Bottom Plate 1 1 1 2 Deck Chassis Fig 1 3 1 4 SYSCON PCB HV GX900K Refer to...

Страница 5: ...5 Remove the Locker Spring Unlock the 4 supports 1 and then remove the Cassette Side L R 1 2 NOTE When you install the Cassette Side L R be sure to move the Locker L R after installing Locker Spring Cassette Side L Cassette Side R 1 1 1 Locker L Locker R 1 Fig 2 5 Screw Torque 5 0 5kgf cm DECK COVER FLAP LEVER TAPE GUIDE R Refer to Fig 2 2 Move the Cassette Holder Ass y to the back side Unlock the...

Страница 6: ...3 and remove the Tension Band Ass y Unlock the support 4 and remove the Tension Holder 1 2 3 4 5 6 7 Tension Holder 4 2 Tension Adjust Tension Band Ass y Tension Arm Ass y 1 Tension Spring Inclined S Ass y Fig 2 9 A NOTE When you install the Tension Adjust install as shown in Fig 2 9 B Refer to Fig 2 9 B Adjust the direction of the Marker to inside Fig 2 9 B 2 10 T BRAKE ASS Y Refer to Fig 2 10 Re...

Страница 7: ...the screw 1 Remove the A C Head Base Remove the 3 screws 2 Remove the A C Head and A C Head Spring 1 2 3 4 NOTE Do not touch the A C Head Use gloves When you install the A C Head Spring install as shown in Fig 2 13 B Refer to Fig 2 13 B When you install the A C Head tighten the screw 1 first then tighten the screw 2 finally tighten the screw 3 1 2 3 A C Head 2 2 A C Head Spring 1 Spring Position 3...

Страница 8: ...e support 1 and remove the AHC Ass y Remove the 3 screws 2 Remove the Cylinder Unit Ass y 1 2 3 When you install the Cylinder Unit Ass y tighten the screws from 1 to 3 in order while pulling the Ass y toward the left front direction NOTE 2 3 2 1 2 2 Cylinder Unit Ass y 1 AHC Ass y Screw Torque 5 0 5kgf cm Fig 2 15 2 16 CAPSTAN DD UNIT Refer to Fig 2 16 Remove the Capstan Belt Remove the 3 screws 1...

Страница 9: ...eflecter Fig 2 19 A NOTE When you install the Loading Arm S Ass y Loading Arm T Ass y and Main Loading Gear align each marker Refer to Fig 2 19 B Loading Arm T Ass y Main Loading Gear Marker Marker Loading Arm S Ass y Fig 2 19 B 4 Loading Arm S Ass y Loading Gear Spring Loading Gear Spring 2 20 INCLINED S T ASS Y Refer to Fig 2 20 Unlock the support 1 and remove the P4 Cover Remove the S S Brake S...

Страница 10: ...ding Switch Frequency Modulation Frequency Sub Carrier Forward Generator Ground High Pass Filter I K L M N O P R S H SW Hz IC IF IND INV KIL L LED LIMIT AMP LM LDM LP L P F LUMI M MAX MINI MIX MM MOD MPX MS SW NC NR OSC OPE PB PB CTL PB C PB Y PCB P CON PD PG P P R REC REC C REC Y REEL BRK REEL S REF REG REW REV RVS RF RMC RY S CLK S COM S DATA SEG SEL SENS SER SI SIF SO SOL SP STB SW Head Switch ...

Страница 11: ...g Trick Playback Test Point Unregulated Volt Voltage Controlled Oscillator Video Intermediate Frequency Vertical Pulse Voltage Display Video Playback Variable Resistor Video Recording Visual Search Fast Forward Visual Search Rewind Voltage Super Source Vertical Synchronization Voltage Tuning Crystal Luminance Chrominance C1 2 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 12: ...the MECHANICAL ADJUSTMENT GUIDE ROLLER and ELECTRICAL ADJUSTMENT PG SHIFTER Press the ATR button on the remote control for more than 2 seconds during PLAY Press both STOP button and CH UP button on the set for more than 2 seconds during PLAY Press both FF button and CH UP button on the set for more than 2 seconds Adjust the PG SHIFTER automatically Refer to the ELECTRICAL ADJUSTMENT PG SHIFTER Pre...

Страница 13: ...tape Clean the rubber and parts which the rubber touches Replace when rolling becomes abnormal Clean the Head CONFIRMATION OF USING HOURS PLAY REC total hours can be checked on the FIP Total hours are displayed in 16 system of notation 1 2 3 4 Press both FF button and CH UP button on the set for more than 2 seconds Adjust the ADDRESS to FD by SET button and read the DATA This DATA becomes the thou...

Страница 14: ... the same manner Refer to the figure below Audio Control Head 2 TAPE RUNNING SYSTEM When cleaning the tape transport system use the gauze moistened with isopropyl alcohol 3 CYLINDER Wrap a piece of chamois around your finger Dip it in isopropyl alcohol Hold it to the cylinder head softly Turn the cylinder head counterclockwise to clean it in the direction of the arrow Refer to the figure below NOT...

Страница 15: ...ther selection if necessary Repeat steps 3 to 6 until all data has been checked When satisfied correct DATA has been entered turn POWER off return to STANDBY MODE to finish DATA input HV GX900K ADDRESS DATA ADDRESS DATA ADDRESS DATA ADDRESS DATA ADDRESS DATA CC F5 D6 80 E0 35 EA 35 F4 00 CD 44 D7 00 E1 5E EB 5F 00 F5 CE 21 D8 31 E2 0A EC 0A F6 00 CF 00 D9 9F E3 F0 ED F0 F7 00 D0 C6 DA 02 E4 05 EE ...

Страница 16: ...Hz For 2 speed model JG001D Color Bar 1KHz For 2 speed model JG001V X Value Adjustment For 2 speed model JG002B VSR Torque Brake Torque S Reel T Reel Ass y JG002E Brake Torque T Reel Ass y JG002F VSR Torque Brake Torque S Reel JG005 Guide Roller Adjustment JG153 X Value Adjustment JG022 JG024A Reel Disk Height Adjustment Used to connect the test point of SERVICE and GROUND JG154 JG100A Playback To...

Страница 17: ...two types of the new alignment tape CH 1B for NTSC and CH 2 for PAL On each tape four signals 1 4 are recorded for the times and in the order shown below The TTV MP1 for M PAL TTV MS1 for MESECAM and TTV S1 for SECAM alignment tapes have the same contents as the previous tapes 1 8min 2 2min 3 5min 4 5min Method Contents 1 Model Model Contents 1 Application Now in use TYPE New TYPE No Changed PB Y ...

Страница 18: ...andard speed mode Set the unit to the PLAY mode Install the tentelometer as shown in Fig 1 3 Confirm that the meter indicates 20 2gf in the beginning of playback 1 2 USING A CASSETTE TYPE TORQUE TAPE JG100A 1 2 3 After confirmation and adjustment of Tension Post position Refer to item 1 2 load the cassette type torque tape JG100A and set to the PLAY mode Confirm that the right meter of the torque ...

Страница 19: ...ENT OF TAPE RUNNING MECHANISM Tape Running Mechanism is adjusted precisely at the factory Adjustment is not necessary as usual When you replace the parts of the tape running mechanism because of long term usage or failure the confirmation and adjustment are necessary 2 1 GUIDE ROLLER Playback the VHS Alignment Tape JG001C or JG001E Refer to SERVICING FIXTURE AND TOOLS Connect CH 1 of the oscillosc...

Страница 20: ...t the a Reflected picture of Stamp Mark Stamp Mark Audio Control Head P4 Post Fig 2 2 A Audio Control Head 1 3 2 Fig 2 2 B Tape Audio Control Head Fig 2 2 C 0 25 0 05mm TAPE RUNNING ADJUSTMENT X VALUE ADJUSTMENT Confirm and adjust the height of the Reel Disk Refer to item 1 1 Confirm and adjust the position of the Tension Post Refer to item 1 2 Adjust the Guide Roller Refer to item 2 1 Confirm and...

Страница 21: ... 8 9 11 10 12 7 8 9 10 11 12 P4 Post T Brake Spring T Reel Ass y Idler Ass y S S Brake Spring S Reel 1 Tension Adjust 2 Tension Arm 3 Guide Roller 4 P1 Post 5 Audio Control Head 6 X value adjustment driver hole D1 4 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 22: ...nt tape JG001C Press and hold the Tracking Auto button on the remote control more than 2 seconds to set tracking to center Press both CH UP button and STOP button on the set for more than 2 seconds If the indicator ATR disappear s the adjustment is finished Refer to Fig 1 1 A B 6 5H CH 1 CH 2 CH 1 CH 2 6 5H Fig 1 1 A Fig 1 1 B Read and perform this adjustment when repairing the circuits or replaci...

Страница 23: ...ELECTRICAL ADJUSTMENTS 2 ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE SYSCON PCB T501 J4501 TP4002 TP4001 TU6001 TP1002 TP1001 D2 2 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 24: ...N Does DISPLAY light Is F501 broken No Yes Is the voltage at collector of Q507 6V Is the voltage at emitter of Q507 6V No Yes Check IC1002 Replace Q507 Check the peripheral circuit to pin 14 of T501 Replace F501 E 1 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 25: ...t 3 seconds Does it Power off in about 6 seconds POWER SHUTS OFF Insert a cassette and press PLAY button Check TAPE LOADING LOADING BELT DD MOTOR and CYLINDER MOTOR Check REEL SENSOR and REEL BELT Check IC1001 and REEL BELT slack E 2 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 26: ...ORDING No No Yes Yes Check AT 12 6V line of POWER BLOCK Is the voltage at pin 2 of CP1002 about DC12 6V In playback is the voltage at pin 5 of CP1002 about DC1 5V Replace CYLINDER MOTOR Check IC1002 E 3 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 27: ... AUDIO HEAD scratched No Yes Yes No No Yes Replace AUDIO HEAD Check IC1002 Is input level at pin 85 of IC1002 about 1 7Vp p In playback is the voltage at pin 4 of CP1003 2 5V Check AUDIO BLOCK E 4 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 28: ...e voltage at pins 3 or 4 of CP1004 10V When a cassette is inserted is the voltage at pin 47 of IC1002 5V Does WORM GEAR on CASSETTE LOADING BLOCK activate Check FRONT LOADING GEARS and LOCKER Replace LOADING MOTOR Replace IC1002 Check LED and PHOTO SENSOR on SYSCON PCB Check circuit of CASSETTE LOADING BLOCK E 5 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 29: ... No Yes No Yes When cassette is inserted is the voltage at pins 3 and 4 of IC1002 0V Does another cassette go down Check IC1002 Check FRONT LOADING GEARS Defective CASSETTE or CASSETTE LOADING BLOCK E 6 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 30: ...DE Yes No Is the voltage changing at pin 11 of IC1002 when you press FF REW FF REW DO NOT WORK Check DECK MECHANISM Check pins 9 and 10 of IC1002 lines E 7 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 31: ...er circuit No No Yes Yes No Yes No No Yes Yes Is the voltage at pin 2 of CP1002 AT 12 6V Does TP4001 feed HEAD SWITCHING PULSE signal TAPE LOADING IS OK BUT UNLOADS IMMEDIATELY Does PG PULSE signal appear at pin 86 of IC1002 Check REEL SENSOR Replace IC1002 E 8 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 32: ...R Is the voltage at pin 5 of CP1002 1 5V Replace IC1002 No Yes Yes Is FG output level at pin 3 of CP1002 about 4 0Vp p No Replace CYLINDER MOTOR Is the voltage at pin 5 of CP1002 1 5V Is FG output level at pin 3 of CP1002 about 4 0Vp p PLAYBACK PICTURE JITTERS HORIZONTALLY E 9 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 33: ...No Yes No Yes By manual tracking does the DC level at pin 84 of IC4001 change In auto tracking is the voltage at pin 6 of IC1002 more than DC 1V Does the CTL PULSE about 4 6Vp p appear at pin 97 of IC1002 Check CYLINDER UNIT E 10 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 34: ...R REWIND MODE IS ACTIVATED UNIT STOPS IMMEDIATELY No Yes No Refer to section CAPSTAN DD MOTOR NOT ROTATING Check Q1001 and Q1002 Yes Replace IC1002 Does the REEL SENSOR PULSE signal appear at pins 79 and 80 IC1002 E 11 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 35: ...LOPE No No Yes Yes No Yes Yes Yes No By adjusting the manual tracking UP DOWN buttons will the noise disappear in the picture Does tracking noise appear in the picture Are GUIDE POSTS the right height Adjust GUIDE POST height Is PB Y waveform normal Check PB Y circuit E 12 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 36: ...es No Yes Check IC4801 Is the voltage at pins 12 36 61 90 and 96 of IC4001 5V Check VIDEO OUT LINE and IC4001 Is there FM signal at pins 78 and 79 of IC4001 Is there VIDEO signal at pin 52 of IC4001 Check connection of the CYLINDER Replace IC4001 E 13 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 37: ...UBLESHOOTING GUIDE NO COLOR DURING PLAYBACK Check Q4802 circuit No Yes Replace IC4001 Does COMPOSITE signal appear at pin 2 of IC4001 E 14 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 38: ... p No Yes No Yes Check CYLINDER UNIT Replace J4501 No Yes Is VIDEO output at the emitter of Q4802 2Vp p and are there any noises Is FM signal at pin 6 of IC1002 more than 1V Check IC4001 and Q4802 E 15 Perform the interchangeable adjustment of DECK www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 39: ...t circuit No Yes Yes NO COLOR DURING SELF RECORDING AND PLAYBACK No Does color signal at pin 52 of IC4001 Does VIDEO signal appear at pin 31 of IC4001 Check IC4001 Check Q4802 emitter E 16 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 40: ...appear at pin 2 of IC4001 6mVp p No Yes Replace IC4001 Check AUDIO HEAD for debris or stains Check the connector from AUDIO HEAD is fully inserted into CP4002 Replace IC4001 Does AUDIO signal appear at pin 11 of IC4001 800mVp p Check C4039 and peripheral circuit E 17 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 41: ...s No Yes Replace IC1002 Is the voltage at pin 8 of CP1003 5V In playback check the voltage at pin 3 of CP1003 is 2V or at pin 62 of IC1002 is 3 2V In playback is the voltage at pin 5 of CP1003 12 6V Replace DD MOTOR E 18 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 42: ...ere AUDIO signal at collector of Q4006 No Yes Is there AUDIO signal at pin 11 of IC4001 No Yes Replace IC5001 Check the lead wire and connector to A C HEAD Is the voltage at base of Q4005 about 5V Is the voltage at pin 2 of L4005 5 5V Check the circuit between audio out of Tuner and collector of Q4006 E 19 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 43: ...cator appear in Display Does VCR operate with the remote control Check Operation PCB Yes Yes No CASSETTE IN AND DOWN UNIT HAS NO FUNCTIONS Check LOADING MOTOR and the peripheral parts E 20 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 44: ...IDEO RECORDED FROM INPUT JACK OR TUNER Yes No Check the circuit from VIDEO input jack to IC4001 from Tuner Pack to IC4001 Does VIDEO signal appear at pin 31 of IC4001 Check CYLINDER UNIT E 21 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 45: ...6001 Disconnect the plugs from the VIDEO AUDIO input jacks Are the plugs connected to the VIDEO AUDIO input jacks Do the voltages appear at each terminal B 5V PB 5V and TU 32V of TU6001 Does AUDIO signal appear at pin 21 of TU6001 No Check IC4001 Yes Is there VIDEO waveform at pin 52 of IC4001 Check IC4501 and J4501 Check IC4501 and J4501 Check Power Block E 22 www freeservicemanuals info 18 1 201...

Страница 46: ...ear at pin 9 of IC4001 Is the voltage at pins 12 36 61 90 and 96 of IC4001 5V No Yes Is the voltage at pin 99 of IC4001 0V Check pin 57 of IC1002 and peripheral circuit No Yes Does AUDIO signal appear at pin 11 of IC4001 Check IC4501 and J4501 Replace IC4001 E 23 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 47: ... state sensor LED 23 NC O Not used 24 NC O Not used 25 FF REW L O Output L when fast forwarding or rewinding 26 CAP MID H O Power of Capstan Motor select 27 CAP HI H O Power of Capstan Motor select 28 HEATER SW O 30V ON OFF Control 29 NA REC H O Control the Bias OSC for audio head 30 VV H O Not used 31 SERVICE 1 I Setting of service mode 1 32 SP STILL H O Not used 33 NC O Not used 34 NC Not used 3...

Страница 48: ...r 16 384KHz output to check the clock 74 Hi Fi MUTE O Control the Hi Fi IC 75 V REC ST O Control the Head Amp for video and Hi Fi audio 76 PICTURE CTL O Output pulse to control the Y C IC for sharpness 77 CAP CTL O Output servo of the capstan motor 78 CYL CTL O Output L when fast forwarding or rewinding 79 REEL S I Input terminal of reel sensor supply 80 REEL T I Input terminal of reel sensor take...

Страница 49: ...01 OEC7035A DPG 6 PIN DFG 7 PIN H SW P 8 PIN CH 1 CH 2 V SYNC E E 4 PIN REC CTL REC 7 PIN V SYNC TRICK PB 3 PIN WAVEFORM CHANGES DEPENDED ON THE TAPE SPEED G 1 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 50: ...GHT GUARD LIGHT GUARD L STP FF FWD T BRAKE S BRAKE TAPE IN POWER OFF FF REW STP CASSETTE DOWN FWD TAPE LOADING WHEN MSSEN A IS CHANGED FROM LIGHT GUARD TO LIGHT RECEIVING CASSETTE IN WILL BE DETECTED FWD RVS POWER ON PB G 2 STP3 VSR F SLOW PB STP STP2 FF REW MECHANICAL MOVEMENT AND CAPSTAN ROTATING MECHANICAL MOVEMENT NO CAPSTAN ROTATING CLUTCH DIRECT CONNECTION PB STP STP3 FWD FF REW FF REW PB ST...

Страница 51: ... CARRIER OFFSET W C DC CTL TRAP fh HPF TRAP 629 TRAP FM AGC P EQ S DL SQPB SQPB G EQ D LIM DEMO SLPF MAIN DE EMPH P R LPF 31 26 28 19 23 21 24 18 YLPF P R P R CLAMP NL EMPH NL DE EMPH FBC ALC CLAMP ATT LPF YNR ATT P R N C D E Y APA VIDEO AGC SQUELCH FBC VIDEO ALC CLEAR SYNC 6db AMP 6db AMP C SQUELCH C K N P B D BPF MIX LEVELADJ B E C K P R P R P R P R VCA DELAY CLPF CCD LPF MAIN CONV1 MAIN CONV2 C...

Страница 52: ... CH UP_SW OPERATION BOT 14 7 8 LDM FWD LDM RVS REMOCON KEY A CH UP OTP 53 72 71 OTP IIC DATA IIC CLK 6 18 V ENV V H SW 29 NA_REC H EEP ROM IC1099 M24C08 BN6 6 5 70 63 CG CLK CG CS 68 CG DATA IIC_DATA IIC_CLK ENV DET Y C AUDIO HAED AMP V H_SW NA_REC H IIC_DATA IIC_CLK CG_CLK TUNER HIFI 21PIN OSD VPS CG_CS CG_DATA 5 3 2 CYL DRIVE CYL FG CYL B CP1002 MICRO MOTOR 78 87 86 1 CYL PG Q1008 CYL VCO SW D10...

Страница 53: ... GX900K 20 19 5 3 TU6001 12 11 2 6 24 21 Q6003 BUFFER 11 10 9 TU_V_OUT SWD VIDEO IN EE VV_V_OUT 2FSC CG_DATA CG_CLK CG_CS IIC_CLK IIC_DATA SYSCON SERVO TIMER AUDIO SIGNAL PB AUDIO SIGNAL REC RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL RECORD COLOR SIGNAL TUNER VIDEO SIGNAL PLAYBACK COLOR SIGNAL H 3 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 54: ...L PAUSE OTPB OTPB SW Q601 POWER OTP SYSCON SERVO TIMER REMOCON KEY A PHOTO COUPLER T501 IC502 NJM431L VOLTAGE CTL 1 2 Q501 3 18 AC IN 14 11 12 17 SW REG IC501 STR F6552 HEATER SW Q505 HEATER ON SW Q503 CAP VCO SW Q508 CAP SW Q509 CAP_VCO P CON 5V SW Q507 P ON SW Q502 P CON 5V CAP_HI H POWER_ON H POWER_FAIL OPERATION HEATER SW SYSCON SERVO TIMER HEATER_DC HEATER_DC D525 L503 F501 RECTIFIER 19 21 1 ...

Страница 55: ...CARRIER OFFSET W C DC CTL TRAP fh HPF TRAP 629 TRAP FM AGC P EQ S DL SQPB SQPB G EQ D LIM DEMO SLPF MAIN DE EMPH P R LPF 31 26 19 23 21 24 18 YLPF P R P R CLAMP NL EMPH NL DE EMPH FBC ALC CLAMP LPF YNR ATT P R N C D E Y APA VIDEO AGC SQUELCH FBC VIDEO ALC CLEAR SYNC 6db AMP 6db AMP C SQUELCH C K N P B D BPF MIX LEVELADJ B E C K P R P R P R P R VCA DELAY CLPF CCD LPF MAIN CONV1 MAIN CONV2 CLPF P R ...

Страница 56: ...2 71 OTP IIC SDA IIC CLK 6 18 V ENV V H SW 29 NA_REC H EEP ROM IC1099 M24C08 BN6 6 5 70 63 CG CLK CG CS 68 CG DATA IIC_DATA IIC_CLK ENV DET Y C AUDIO HAED AMP V H_SW NA_REC H IIC_DATA IIC_CLK CG_CLK TUNER HIFI 21PIN OSD VPS CG_CS CG_DATA 5 3 2 CYL DRIVE CYL FG CYL B CP1002 MICRO MOTOR 78 87 86 1 CYL PG AT12 6V POWER CAPSTAN DD UNIT 12 77 11 85 CYL CTL DFG DPG CFG CAP_LIMIT CAP CTL CAP_FWD 1 2 4 3 ...

Страница 57: ...1 2 6 3 J4501 19 8 22 23 27 24 40 29 20 41 A V SW IC IC4501 LA7158M 31 1 5 9 A B BUFFER 35 A B BUFFER AMP 29 21 BUFFER 23 BUFFER 6MB AMP 20 A B BUFFER 6MB AMP C A B C BUFFER AMP 6MB AMP A B C A B C 36 14 16 18 19 CLAMP CLAMP CLAMP CLAMP 4 PERI_CTL L Q4501 SCRANBLE SW 5 27 P CON 5V H 7 AUDIO SIGNAL PB AUDIO SIGNAL REC RECORD LUMINANCE SIGNAL PLAYBACK LUMINANCE SIGNAL RECORD COLOR SIGNAL TUNER VIDEO...

Страница 58: ...3 R602 R604 R605 R606 SW608 SW607 SW610 SW609 D601 Q601 C601 R609 R608 CD602 R607 CP101 Q101 Q102 CP102 PRINTED CIRCUIT BOARDS MODEL HV GX900K HV GX950K OPERATION 1 OPERATION 2 DECK I 1 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 59: ...2 T1 OTPB CD602 CP652 CH25082A 1 2 3 4 5 OF PRINTING AND SUBJECT TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CAUTION DIGITAL TRANSISTOR DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS Q601 DTA143ES OTPB SW C601 470P B CAUTION DIGITAL TRANSISTOR CD601 CP651 CH23042A 1 2 3 I 2 TO DISPLAY FROM TO DISPLAY VE9864 OPERATION 1 PCB O...

Страница 60: ...TO CHANGE WITHOUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME CP102 CP1001 173979 2 1 2 S102 S101 S104 S103 S106 S105 Q102 RPT 38PB113 EOT SENSOR Q101 RPT 38PB113 BOT SENSOR CP101 CP1004 52044 0445 1 2 3 4 I 3 MODEL HV GX900K HV GX950K FROM TO SYSCON SERVO TIMER FROM TO SYSCON SERVO TIMER DECK PCB DECK SCHEMATIC DIAGRAM M101 0 5 1 EOT VCC PCB550 VE8851 LOADING MOTOR 0 5 1 LDM LDM ...

Страница 61: ...14 C4020 R1041 R1039 C1017 R4530 R4531 Q4503 R6005 Q1003 R1019 R1073 R1054 C1020 R1025 R1050 C1018 C4049 C4051 R4025 C4071 C4076 R4045 C4080 C4082 R6017 R1006 R1061 C1037 C1030 C1024 C1035 C1040 C1031 Q1006 Q1007 R1057 C4067 C4063 C4065 R4021 C4058 C4038 R651 R662 C4083 R1049 R1048 C1005 C1004 R1070 R1010 C1019 R1032 R1051 R1040 R1045 R1047 R1018 R4047 R4033 R1069 I C 4 0 0 1 R656 R655 R653 R1053 ...

Страница 62: ...1 L4011 C4041 C4043 W074 W075 W076 W078 W079 W083 W084 W085 W086 W091 W092 W095 W097 CP651_1 W098 W099 W100 W101 R4034 W102 TP1002 TP1003 TP1001 W103 W104 W105 TP4001 TP4002 W106 W107 W108 W109 W110 W111 W112 W827 C4068 W113 W114 W115 W116 W117 W118 W119 W120 W121 W122 W124 W125 W126 J4501_1 R4803 S001 S002 S003 W127 S004 R1033 W129 W130 W131 W133 W134 W135 C527 W136 W137 R1005 W138 W139 W140 W141...

Страница 63: ...16 C1006 C4079 C4075 W007 W008 C4084 C4090 L4009 C4077 L4012 W009 X1002 R4507 W852 W011 TU6001 W854 W828 L4507 L4504 W016 W021 R4516 W026 W027 W028 C4081 Q4004 L4003 C4010 C4024 R4017 W801 R4007 W031 R4046 R4028 Q4007 Q4006 C4059 R4818 L4807 C4820 W840 L4806 C4808 L4801 L4802 R4817 C4802 C4806 W839 W847 W023 W024 L4004 C4019 W824 L6004 IC1099 CP652 L6002 Q4502 CP1001 C6008 C6012 R6012 CP1002_1 W03...

Страница 64: ...NER VIDEO SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB 2FSC IIC_DATA IIC_CLK P CON 5V VV H V H_SW EE VV_V_OUT DUMMY_V SYNC PICTURE_CTL NA_REC H DUMMY_V SYNC SYNC A_MUTE TRICK H IIC_DATA IIC_CLK ENV DET CTL CTL HIFI_H SW VV H 2FSC V H_SW SYNC SWD_VIDEO_IN EE VV_V_OUT ENV DET SP L TU_V_OUT SP_COM TU_A_OUT NORMAL_A_IN NORMAL_A_OUT SP R P CON 5V AT 5 8V P CON 5V P CON 5V GND P CON 5V SECAM_L SP STILL A_MUT...

Страница 65: ..._SW CAP_HI H IIC_CLK IIC_DATA AFT_S_CURVE AT 5V CG_CS I O_S DATA VCR H CG_CLK CG_DATA AT 5V POWER_FAIL POWER_FAIL CAP_VCO AT 5V A AT 5 8V POWER_ON H AT 12 6V P CON 5V BOT EOT GND VV H HEATER_SW KEY A ENV DET V H_SW F R MSSW_B MSSW_A REMCON CAP_LIMIT CH UP_SW NA_REC H SECAM_L SP STILL SENS_LED POWER_ON H HIFI_H SW VV H GND DUMMY_V SYNC GND GND VV H V H_SW PICTURE_CTL NA_REC H DUMMY_V SYNC SYNC A_MU...

Страница 66: ... MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS Q4502 2SA933S VCR 10V OUT Q4802 2SA1037AK BUFFER CAUTION DIGITAL TRANSISTOR RECORD LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK LUMINANCE SIGNAL PLAYBACK COLOR SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB PERI_A_OUT L AT 12V AUDIO_OUT L I O_S DATA VCR H TV L VCR 10V PERI_A_IN L SWD_A_IN L RF_CONV V OSD_VIDEO_OUT EE VV_V_OUT P CON 5...

Страница 67: ...HE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS TUNER VIDEO SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB NORMAL_A_IN NORMAL_A_OUT 32V P CON 5V GND GND GND TU_V_OUT TU_A_OUT SWD_A_IN L AUDIO_OUT L RF_CONV V IIC_CLK IIC_DATA AFT_S_CURVE AT 5V NORMAL_A_OUT AT 5V RF_CONV A_OUT IIC_DATA P CON 5V IIC_CLK SWD_A_IN L RF_CONV V AUDIO_OUT L 32V NORMAL_A_OUT NORMAL_A_...

Страница 68: ... 22K R543 10K R539 4 7K R534 1 2K R537 100K R503 270K 1 2W R505 220K 1 2W R546 2 2K 1 2W C507 0 0033 250V KH C503 0 1 250V ECQ U C505 0 0033 250V KX C502 470P B C512 0 022 F C514 0 0047 B C520 0 001 500V B C524 0 1 F C513 0 01 F C533 0 01 F C531 0 01 F C506 220P 1KV R C516 0 001 B C508 47 35V VZ C519 10 50V KA C526 1000 6 3V YK C522 330 16V ZL C521 220 25V ZL C525 330 16V YK C518 150 6 3V YXG C529...

Страница 69: ..._SD_OUT FL_S_CLK KEY A CH UP_SW OTP AT 5V V651 SVV 07SS22 ANODE CONNECTION d d d d d c c c c c c j j j j j e e e e e g g g g g g a a a a a f f f f f k h h h h h b b b b b b col1 col2 OTR P VCR ATR A P M M L S P11 P10 P9 P8 P7 P6 P5 P4 P2 P3 P1 1G 2G 3G 4G 5G 6G 7G I 12 j j c g b d h a e f col1 col2 k h c b g SYSCON PCB DISPLAY SCHEMATIC DIAGRAM 5 0 24 5 21 3 21 3 18 8 18 8 FROM TO OPERATION MODEL ...

Страница 70: ...1 2 EOT VCC CP1001 CP4001 FG PG GND GND PG FG CYL GND Q101 CP101 BOT SENSOR NC J4501 PERITEL GND A OUT R GND VIDEO IN VIDEO OUT GND GND NC GND GND NC NC NC A IN L GND GND A IN R PERI CTL NC A OUT L CH UP_SW GND KEY A GND KEY A CH UP_SW CD601 CP651 VM9150 2 1 FE HEAD HOT FE HEAD GND FE HEAD HOT FE HEAD GND CP1003 CP1002 CP1004 NC NC NC NC AFT V IN A IN BB SDA TU MD AS NC NC V OUT NC A OUT NC MB SCL...

Страница 71: ...0 Q4802 R4814 R4804 R4810 C4809 IC4801_1 C4047 C4011 C4016 C4014 C4020 R1041 R1039 C1017 Q4501 R6005 Q1003 R1019 R1073 R1054 C1020 R1050 C1018 C4049 C4051 R4025 C4071 C4076 R4045 C4080 C4082 R6017 R1006 R1061 C1037 C1030 C1024 C1035 C1040 C1031 Q1006 Q1007 R1057 C4067 C4063 C4065 R4021 C4058 C4038 R4502 R651 R662 R1049 R1048 R4042 C1005 C1004 R1070 R1010 C1019 R1032 R1051 R1040 R1045 R1047 R1018 R...

Страница 72: ...0 W071 W072 W073 L4015 L4013 C4073 C4061 L4011 C4041 C4043 W074 W075 W076 W078 W079 W083 W084 W085 W086 W087 W088 W089 W091 W092 W095 CP651_1 W098 W099 W100 W101 R4034 W102 TP1002 TP1003 TP1001 W103 W842 W832 W104 W105 TP4001 TP4002 W106 W107 W108 W109 W110 W111 W112 W827 C4068 W113 W114 J4501 W115 W116 W117 W118 W119 W120 W121 W122 W123 W125 W126 R4803 S001 S002 S003 W127 S004 R1033 W129 W130 W13...

Страница 73: ...007 D517_1 C516 C1006 R4512 C4079 C4075 W007 W008 C4084 C4090 L4009 C4077 L4012 W009 W010 X1002 R4507 W011 TU6001 W854 C4539 L4505 C4547 L4503 C4514 C4509 L4507 L4501 L4504 L4506 W012 W013 W014 C4553 C4546 W015 W016 W017 W018 C4530 W019 W020 W021 W025 R4516 W026 W027 W028 C4081 Q4004 L4003 C4010 C4024 R4017 W801 W029 W030 R4007 W031 R4046 R4028 Q4007 Q4006 C4059 R4818 L4807 W849 C4820 L4806 C4808 ...

Страница 74: ...UDIO SIGNAL REC AUDIO SIGNAL PB 2FSC IIC_DATA IIC_CLK P CON 5V VV H V H_SW EE VV_V_OUT DUMMY_V SYNC PICTURE_CTL NA_REC H DUMMY_V SYNC SYNC A_MUTE TRICK H IIC_DATA IIC_CLK ENV DET CTL CTL HIFI_H SW VV H 2FSC V H_SW SYNC SWD_VIDEO_IN EE VV_V_OUT ENV DET SWD_A_IN L SP L SP_COM NORMAL_A_IN NORMAL_A_OUT SP R P CON 5V AT 5 8V P CON 5V P CON 5V GND P CON 5V SECAM_L SP STILL A_MUTE TRICK H SWD_VIDEO_IN SP...

Страница 75: ...DATA AGC_DET AFT_S_CURVE AT 5V IIC_CLK IIC_DATA CG_CS CG_CLK PERI_CTL L CG_DATA RGB_ON H AT 5V POWER_FAIL POWER_FAIL CAP_VCO AT 5V A AT 5 8V POWER_ON H AT 12 6V P CON 5V BOT EOT GND VV H HEATER_SW KEY A ENV DET V H_SW F R MSSW_B MSSW_A REMCON CAP_LIMIT CH UP_SW NA_REC H SECAM_L SP STILL SENS_LED POWER_ON H HIFI_H SW VV H GND DUMMY_V SYNC GND GND VV H V H_SW PICTURE_CTL NA_REC H DUMMY_V SYNC SYNC A...

Страница 76: ...OUT NOTICE NOTE THIS SCHEMATIC DIAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS Q4505 2SA1037AK RGB SW Q4802 2SA1037AK BUFFER CAUTION DIGITAL TRANSISTOR RECORD LUMINANCE SIGNAL RECORD COLOR SIGNAL PLAYBACK LUMINANCE SIGNAL PLAYBACK COLOR SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB IIC_CLK IIC_DATA SWD_A_IN L DEC_V_OUT AT 5V AUDIO_O...

Страница 77: ...IAGRAM IS THE LATEST AT THE TIME DURING PLAYBACK MEASURED WITH THE DIGITAL TESTER NOTE THE DC VOLTAGE AT EACH PART WAS TUNER VIDEO SIGNAL AUDIO SIGNAL REC AUDIO SIGNAL PB NORMAL_A_IN NORMAL_A_OUT 32V P CON 5V GND GND GND SWD_A_IN L AUDIO_OUT L TU_A_OUT TU_V_OUT RF_CONV V IIC_CLK IIC_DATA AGC_DET AFT_S_CURVE AT 5V NORMAL_A_OUT AT 5V RF_CONV A_OUT IIC_DATA P CON 5V IIC_CLK SWD_A_IN L RF_CONV V AUDIO...

Страница 78: ...6K R544 22K R543 10K R539 4 7K R534 1 2K R537 100K R503 270K 1 2W R505 220K 1 2W C507 0 0033 250V KH C503 0 1 250V ECQ U C505 0 0033 250V KX C502 470P B C512 0 022 F C514 0 0047 B C520 0 001 500V B C524 0 1 F C513 0 01 F C533 0 01 F C531 0 01 F C506_1 220P 1KV R C516 0 001 B C508 47 35V VZ C519 10 50V KA C526 1000 6 3V YK C522 330 16V ZL C521 220 25V ZL C525 330 16V YK C518 150 6 3V YXG C529 10 16...

Страница 79: ...D KEY A GND KEY A CH UP_SW CD601 CP651 VE9864 VM9150 2 1 FE HEAD HOT FE HEAD GND FE HEAD HOT FE HEAD GND CP1003 CP1002 CP1004 NC NC NC NC AFT V IN A IN BB SDA TU MD AS NC NC V OUT NC A OUT NC MB SCL NC SCL SDA B NC TU NC NC NC NC AGC PB NC TUNER DEMODULATOR AND RF CONVERTER BLUE BLANKING BLANKING RED RED GREEN GREEN BLUE DECORDER PERITEL DEC VIDEO IN DEC VIDEO OUT SCRANBLE H DEC A IN L DEC A OUT L...

Страница 80: ...N STR F6552 BU2979K LC74775M M24C08 BN6 NJM431L BA6955AN STR F6552 100PIN RE5VS31A 100PIN 36PIN RE5VS31A HA118217F HA118217F LA7158M OEC7035A OEC7035A TRANSISTOR TRANSISTOR 2SB926 S T AA 2SA933STP R S 2SA1037AKT146R S GP1S94L DTA124EKAT146 GP1S566 DTA143ESTP 2SB926 S T AA 2SA1037AKT146R S GP1S94L DTA124EKAT146 DTA143ESTP GP1S566 2SC2274K E F AA 2SC2412KT146 R S DTC124EKAT146 2SC2274K E F AA 2SC241...

Страница 81: ... 5V div REC PB 1V 0 5V div POWER ON 100mV 50T div REC PB 1V 5V div REC PB 1V 5U div REC 0 5V 10U div REC 10V 5U div REC PB 0 5V 0 5V div Y C AUDIO HEAD AMP 12 7 2 PB 200mV 10U div REC PB 200mV 0 5V div REC PB 1V 5U div SYSCON SERVO TIMER 15 CASS LESS 1V 10U div 16 CASS LESS 1V 10U div 18 REC PB 1V 0 5s div 17 REC PB 1V 0 5s div K 1 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 82: ... Y TU6001 603 607 610 603 602 704 623 625 707 706 626 706 HV GX950K 705 PCB280 OPERATION 2 PCB ASS Y 601 PCB270 OPERATION 1 PCB ASS Y 621 621 613 615 604 616 618 619 605 606 611 622 628 630 617 629 631 632 633 705 705 614 627 620 L1 1 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 83: ...BUTTON STOP EJECT 1 620 S4 3WK A00 320 SPR FLAP 1 621 S0 0WF A00 200 CUSHION LEG 2 622 S3 5WP D06 080 BUTTON PAUSE 1 623 PLATE BOTTOM HV GX900K 1 PLATE BOTTOM HV GX950K 1 624 S0 2US S00 250 CABI TOP 1 625 SHEET RATING HV GX900K 1 SHEET RATING HV GX950K 1 626 LABEL ANTI THEFT 1 627 POP LABEL 1 628 S3 5WP D06 090 RING OTPB 1 629 S3 5WP D06 250 BUTTON POWER 1 630 S3 5WP D06 260 BUTTON CHANNEL 1 631 S...

Страница 84: ...505 UN4001 334 321 348 507 H5001 506 305 304 501 356 301 347 316 317 313 508 315 338 512 310 361 329 359 368 357 366 351 364 308 306 366 358 365 351 363 323 324 362 353 320 370 A M2003 505 505 515 335 319 349 318 336 328 512 314 508 313 370 309 355 502 H5002 511 A M101 509 369 371 372 502 502 PCB550 DECK PCB ASS Y 303 AA AA AA AA AA AA AA AA AA AA AB AB AA AA BA AA AA 352 503 503 367 374 373 516 3...

Страница 85: ... 330 AA AA AA AA AA AA AA AA AA AA AA AA AA BA AC AA 517 PART NO CLASS MARK GREASE G 555G AA G 488M AB KYODO OIL SLIDAS No 150 BA OIL FL 721 AC NOTE Applying positions AA AB AC and BA for the grease or oil are displayed for this section Check if the correct grease or oil is applied for each position M1 2 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

Страница 86: ...2 325 S5 OP2 002 610 LEVER CLUTCH 1 509 87 258 091 010 U M3 3 2 326 S5 OP2 002 620 RING CLUTCH 1 327 S5 OP2 002 630 GEAR CLUTCH 1 510 S2 Q31 54C 5N0 PW 3 1 5 4 0 25 1 328 S5 OP2 002 710 REEL S 1 511 S2 P26 600 5N0 PW CUT 2 6 6 0 5 3 329 S5 OP2 002 730 STOPPER REEL S 1 512 S2 Q26 471 3N0 PW 2 6 4 7 0 13 3 513 S2 P18 450 5N0 PW CUT 1 8 4 5 0 5 1 330 S5 OP2 002 740 SPACER LINK LEVER 1 514 S3 ETW 300 ...

Страница 87: ...013 87 010 550 080 CAP E 1000 6 3V C534 87 010 550 080 CAP E 1000 6 3V C651 87 015 677 010 CAP E 100 6 3 DIODES C659 87 010 549 010 CAP E 47 6 3V C660 87 010 560 080 CAP E 10 50V D501 87 020 465 010 DIODE 1SS133T C1002 SS 0KB 04Q 2K0 CAP 470PF 50V D502 S2 LXE 658 000 DIODE 1N4005E G23 C1007 87 010 247 040 CAP E 100UF 25V D503 S2 LXE 658 000 DIODE 1N4005E G23 C1010 87 016 088 040 CAP E 220 6 3V D50...

Страница 88: ...K Q1006 87 026 236 080 TR DTC124EK Q1007 87 026 236 080 TR DTC124EK SWITCH Q1008 SB WT0 092 600 TR 2SB926 S T Q1009 89 324 122 080 TR 2SC2412KT SW1001 S5 082 210 010 SW LEAF Q4003 SD 3T0 073 400 TR 2SD734 E F G AA Q4004 SD 3T0 073 400 TR 2SD734 E F G AA CONNECTORS Q4005 87 026 228 080 TR DTA124EK Q4006 87 026 613 080 TR 2SC2274K E F CP506 S6 943 200 490 CORD CONNE Q4007 87 026 613 080 TR 2SC2274K ...

Страница 89: ...SW606 S5 042 01T 320 SW TACT OPERATION 2 PCB ASS Y DIODE D601 S0 213 5Q1 600 LED SLZ 345B 02 TRANSISTOR Q601 87 026 286 010 TR DTA143ES SWITCHES SW607 S5 042 01T 320 SW TACT SW608 S5 042 01T 320 SW TACT SW609 S5 042 01T 320 SW TACT SW610 S5 042 01T 320 SW TACT OTHER CD602 S6 CH2 508 2A0 CORD CONN CH25082A AND OTHERS AC CORD CD501 S2 066 358 170 CORD AC BUSH 06635817 N 3 www freeservicemanuals info...

Страница 90: ...920074 Printed in Singapore 2 11 IKENOHATA 1 CHOME TAITO KU TOKYO 110 8710 JAPAN TEL 03 3827 3111 www freeservicemanuals info 18 1 2015 Digitized in Heiloo Holland ...

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