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CIRCUIT DIAGRAMS

1. Power Circuit Diagram

NOTES) Symbol denotes AC ground.

NOTES)

Symbol denotes DC chassis ground.

NOTE) Warning

NOTE)

Parts that are shaded are critical

NOTE)

With respect to risk of fire or

NOTE)

electricial shock.

'03. 1. 7 R15000A

BD101, R101 are defective.

Power dead.

F101 is defective.

Power dead.

IC101 is defective.

Switching dead.

D102 is defective.

No power.

D106 is defective.

No 5.3VA and 5VG, 5VT.

No 14VA, 12VA are 12VT.

D109, C120 are defective.

Q152 is defective.

No 5.2VT.

IC102, IC103 are defective.

Power dead.

NOTE :

1. Shaded( ) parts are critical for safety. Replace only

with specified part number.

2. Voltages are DC-measured with a digital voltmeter

during TUNER mode.

Содержание HR-V200Ez

Страница 1: ... level VIDEO IN SCART type 1 0 Vp p 75 ohm unbalanced Output level VIDEO OUT SCART type 1 0 Vp p 75 ohm unbalanced Signal to noise ratio More than 43 dBm audio Input level AUDIO IN SCART type 6 0 dBm more than 10 kΩ Output level AUDIO OUT SCART RCA type 6 0 dBm less than 1 kΩ Audio track Mono track and Hi Fi track Audio frequency response Normal audio 100 Hz to 10 000 Hz 6 3 dBm Hi Fi audio 20 Hz ...

Страница 2: ...r being switch all and no tapes OK is displayed at FLD for FLD models and LED becomes on for LED CLOCK models This is the state that initializing EEPROM is finished In case of PAL VCP if holding the REC button on the front panel and the MENU button on the remote control handset for 5 7 seconds with power being off and no tapes All the LED DOTs become on This is the state that initializing EEPROM i...

Страница 3: ... OPTION2 C0 00000000 OPTION3 83 00000000 OPTION4 B1 00000000 OPTION5 B0 00000000 OPTION6 08 00000000 1 DETECT NEW EEPROM OPTION EDIT SCREEN Eeprom EDIT screen automatically appears if replacing Eeprom Setup option data using the cursor Up Down key of a remote control Setup upon BOM depending on OPT1 OPT6 model Since an initial remote control is set to LG for LG model appro priately set optional da...

Страница 4: ...EY OPTION1 EC 00000000 OPTION2 C1 00000000 OPTION3 8B 00000000 OPTION4 B1 00000000 OPTION5 B0 00000000 OPTION6 08 00000000 MODEL NAME HEX BINARY HR V507EL OPTION1 EC 00000000 OPTION2 C1 00000000 OPTION3 8B 00000000 OPTION4 B1 00000000 OPTION5 A0 00000000 OPTION6 08 00000000 HR V200EZ OPTION1 02 00000000 OPTION2 C8 00000000 OPTION3 87 00000000 OPTION4 B7 00000000 OPTION5 00 00000000 OPTION6 30 0000...

Страница 5: ...RT JACK Hi Fi SYSTEM AVCP Micom T U N E R Speak ez SW IC SECAM VPS EEPROM CLK IC W501 H S W E2PROM C S M P S A V W502 DISPLAY DOT CLK Measurement point Adjustment point SECTION 3 ELECTRICAL ELECTRICAL ADJUSTMENT POINTS ARRANGEMENT ...

Страница 6: ...K on CLK LED TRK is a Initial c Press the Auto PG Key on JIG Remocon again 2 nd or press REC key on set and CLEAR key on Remocon again Then check the blink PG NG PG OK on CLK LED Check the PG a Connect the CH1 of the oscilloscope to the H SW and CH2 to the Video out for the VCR b Trigger the mixed Video Signal of CH2 to the CH1 H SW W501 W502 and then check the distance time difference which is fr...

Страница 7: ...LECTRICAL ADJUSTMENT PROCEDURES WAVEFORM Attension and Reference a The PG checking must do when RF Level is Maximum and SERVO system is Locking MTR MODE b V H SW Level is 2Vpp H SW Composite VIDEO 6 5H 416us ...

Страница 8: ... 7 Is there DC voltage at the IC101 Pin 4 Is there about 2 5V at the IC103 Vref Is the D106 normal Check the Main PCB 5 3VA Line short Replace the F101 Use the same Fuse Replace the BD101 Replace the R101 Is Vcc about 13 15V permittable at the IC101 Pin 3 Check or Replace the D103 Replace the IC102 Replace the IC103 Replace the D106 NO YES YES YES YES YES YES YES YES NO NO NO NO NO NO NO ...

Страница 9: ...s 5 3VA work normally Check whether 5 3VA is out of order YES NO NO 7 Power Circuit SMPS 2 No 12VA Capstan 3 No 12VA CANAL Buffer Is Voltage about 12V put into the Q155 C Check or Replace the Q155 YES YES No 12VA Is Vcc about 13VA put into the Q155 E Replace the Peripheral Circuitry of D160 YES NO ...

Страница 10: ...out 4 7V put into the Q152 Q151 Base Check the Q163 Q162 whether it works normally Check or Replace the Q152 Q151 YES YES No 5VT 5V Is the Q163 Q162 Base H Is 5 3VA put into the Q152 Q151 collector Check the µ com Control YES YES NO NO 3 6 ...

Страница 11: ...pear at IC501 pin 8 Does the CFG divide waveform appear at IC501 pin 9 Do the CTL pulses move when TRK is operated Replace IC501 Does the Video Envelope waveform appear at IC501 Pin 24 NO YES YES YES YES YES A Is the height of the CTL Head adjusted correctly NO Replace IC501 NO Check AVCP IC NO Adjust the CTL Head ...

Страница 12: ... PWM waveform appear at IC501 Pin 107 Check the Components and foil Pattern Connected to IC501 Pin 107 PMC01 Pin 12 for shorts Do DFG Pulses appear at IC501 Pin 104 B NO NO NO NO Check Power Does Drum PWM appear at IC501 Pin 107 Do DFG Pulses appear at PMD01 Pin 3 Check Drum Monitor Ass y Check the Components and foil pattern between PMC01 Pin 11 and IC501 Pin 104 for shorts Replace IC501 YES YES ...

Страница 13: ...e IC501 Does 13VA appear at PMC01 Pin 2 Does 2 8V appear at PMC01 Pin 9 Check Connector and Capstan Motor Ass y Check the Components and foil Patterns Connected between IC501 Pin 108 and PMC01 Pin 9 for shorts Does the CFG signal appear at IC501 Pin 9 Does Capstan PWM appear at IC501 Pin 108 Check the components and foil pattern connected between IC501 Pin 108 and PMC01 Pin 9 for shorts C NO NO NO...

Страница 14: ...Signal Do Take up reel pulses appear at the base of Q514 Replace the Take Up Reel Photocoupler in the Deck RS501 Auto stop Does SW30 waveform appear at IC501 Pin 105 Do Take up reel pulses appear at IC501 Pin 49 Change IC501 A NO NO NO NO YES 3 System Front Panel Circuit 3 10 ...

Страница 15: ...d by lack of lubrication due to dried grease or oil Is 5 4VA applied to R544 Check the power Check IC501 Pins 68 69 70 71 Check the CST SW and peripheral circuitry Check the power B NO NO NO YES NO YES Non working finction buttons Is the voltage of IC501 Pin 36 5V Does LED Ass y display change when a function button is pressed Replace IC501 Replace the defective switch Check the power Check IC506 ...

Страница 16: ... signal appear at the Emitter termi nal of the Q307 Q308 Check the 5 2VT 5 4VA Line Power Circuit Is I2 C BUS signal applied to the IC301 Pins 68 69 Check C316 AGC Chck the path of the signal between the IC301 Pin 5 and IC501 Pin 17 Replace the IC301 Does the 12VT 5 4VA appear at the Emitter termi nal of the Q307 Q308 Replace the Q307 Q308 Check the 12VT 5 4VA Line Power Circuit Check the System C...

Страница 17: ...n 105 Check the V H S W level Check R303 R304 Replace the IC301 Refer to SYSTEM I2 C BUS CHECK Trouble Shooting Is the V H S W signal applied to the IC301 Pin 70 Is V H S W H about 3 4V at the IC301 Pin 70 Clean the Drum Check the path of the Y Luminance RF signal Check C327 Check the path of the Y Luminance RF signal Check the C312 Does the Y Luminance RF signal appear at the IC301 Pin 76 Is the ...

Страница 18: ...or signal appear at the IC301 Pin 25 Check the line of the 5 2VT 5 4VA Line Power Circuit Replace the X301 Check the Color Pass Check the Color Rotary Circuit IC501 pin 99 Check the Color Rotary level Check the R303 Does the X301 4 43MHZ oscillate Replace the IC301 Does the Color signal appear at the IC301 Pin 21 Is Color Rotary H about 3 4V Replace the IC301 NO YES YES YES YES NO NO NO NO NO YES ...

Страница 19: ...e System of REC H the IC501 Pin 47 the D301 Replace the IC301 Check the line of the 5 2VT 5 4VA Line Power Circuit Check PB Mode Is the REC H signal about 4V applied to the IC301 Pin 80 Check the circuit of the IC301 Pins 85 86 Check REC Luminance Pass Color Pass Does PB Mdoe operate normally Does the REC RF signal appear at the IC301 Pins 88 89 94 95 Check the Drum Drum Connector YES YES YES YES ...

Страница 20: ...0VT applied to TU701 Pin 16 Is 5VT applied to TU701 Pin 13 Does the Clock signal appear at TU701 Pin 11 Does the data signal appear at TU701 Pin 12 Replace Tuner Check the signal flow from TU701 Pin 24 to IC301 Pin 67 Does Sync appear at IC501 Pin111 Check the signal flow from IC501 Pin19 to JK901 Pin19 YES YES YES YES YES YES YES NO NO NO NO NO Check the liC Data signal of µ com Pin 60 NO 3 16 ...

Страница 21: ...01 Pin 18 Check the Tuner Audio signal at IC301 Pin 13 Check the Audio signal at IC301 Pin 11 Check 5VT power Chekc the signal flow from TU701 Pin21 to IC301 Pin 13 Replace IC301 NO NO NO YES YES YES Check the signal flow from IC301 pin 11 to IC901 Pin 6 YES ...

Страница 22: ...the Audio of IC801 Pins 2 3 Check the Audio of IC801 Pins 18 19 Check the signal flow from IC801 pins 18 19 to JK901 Pins 1 3 Check 5V power Check the Tuner Audio of TU701 Pin 21 Replace X751 Check the IIC Clock and Data at IC751 Pins 12 13 Check the signal flow from IC751 Pins 30 31 to IC801 Pins 2 3 Check the IIC Clock and Data at IC801 Pins 42 43 YES YES YES YES YES YES YES NO NO NO NO NO NO ...

Страница 23: ...hen Replace IC801 Check Ports of µ COM Replace IC801 Hi Fi Playback No sound Check the Hi Fi Selection Switch and the Tape quality Is the RF Envelope at IC801 Pin 44 over 2Vp p Check the Signal path of Audio Output Do Audio signals appear at IC801 Pin 16 L CH 17 R CH Check IC801 Pin 42 Data Pin 43 Clock A YES NO YES NO NO NO NO 6 Hi Fi Circuit Hi Fi Model YES YES YES YES YES ...

Страница 24: ...ts of µ COM Check Audio input signal of IC801 Pins 2 3 TU A 6 7 Scart 1 Replace IC801 B Check IC801 Pin 42 Data Pin 43 CLOCK Do Audio signals appear at IC801 Pins 16 17 YES YES YES Do FM Audio signals appear at IC801 Pin 36 Check the Contact Points of Drum Connector if good then Replace the Drum YES YES NO NO NO NO 3 20 ...

Страница 25: ... Service 4 12 1 Mechanism Alignment Position Check 4 13 2 Preparation for Adjustment 4 14 3 Checking Torque 4 14 4 Guide Roller Height Adjustment 4 15 4 1 Preliminary Adjustment 4 15 4 2 Precise Adjustment 4 15 5 Audio Control A C Head Adjustment 4 16 5 1 Preliminary Adjustment 4 16 5 2 Confirmation of Tape Path between Pinch Roller and Take up Guide 4 17 5 3 Precise Adjustment Azimuth Adjustment ...

Страница 26: ...ssembly P4 Chassis Embossing A 5 T 17 Opener Lid Chassis Embossing A 5 T 17 18 Arm Assembly Pinch Shaft A 5 T 17 19 Lever T Up Arm T Up 1 Hook A 5 T 17 18 20 Belt Capstan Motor Capstan 3 Screw A 6 B 21 Lever F R Locking Tab A 6 B 20 21 22 Clutch Assembly D35 Washer A 6 B 23 Brake Assembly Capstan Locking Tab A 6 B 24 Gear Drive Gear Cam Washer Hook A 7 B 25 Gear Sector 1 Hook A 7 B 20 21 23 26 Pla...

Страница 27: ...e the Drum assembly 3 Unhook H1 H2 and separate the Holder FPC and Cap FPC 1 1 Drum Motor 1 Remove two Screws S2 and disassemble the Stator of the Drum Motor 2 Remove two Screws S3 and separate the Rotor of the Drum Motor from the Drum Sub assembly NOTE When reassembling confirm A portion of the Drum Sub assembly whether the Carbon Brush is in there or not Fig A 1 Fig B 1 Holder FPC Drum FPC Cap F...

Страница 28: ...te Top Arm Assembly F L Spring Lever S W Gear Assembly Rack F L Chassis Opener Door Bracket Assembly L D Motor Holder Assembly CST B C D E H6 A B Lever Assembly S W H8 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 ...

Страница 29: ...or Figure A 2 3 1 Turn the Opener Door clockwise and remove it through the guide hole of the Chassis 5 Bracket Assembly L D Motor Fig A 2 4 1 Unplug the Connector C1 2 Unhook three Hooks H3 H4 H5 on bottom side of the Chassis lift up the Bracket Assembly L M and disassem ble the Bracket Assembly L D Motor 6 Gear Assembly Rack F L Fig A 2 5 1 Move the Gear Assembly Rack F L in direction of arrow A ...

Страница 30: ...e direction and lift it up 10 Head F E Fig A 3 2 1 Breakaway the A portion of the Head F E from the embossing of the Chassis turn it to counterclockwise direction and lift it up 11 Base Assembly A C Head Fig A 3 3 1 Remove the Screw S4 and lift the Base Assembly A C Head up A Arm Assembly Cleaner Base Assembly A C Head S4 Head F E A Chassis Fig A 3 Fig A 3 1 Fig A 3 3 Fig A 3 2 ...

Страница 31: ... Brake Assembly RS Fig A 4 2 1 Unhook the Spring RS from the Hook H10 of the Chassis 2 Lift the Brake Assembly T up 14 Arm Assembly Tension Fig A 4 3 1 Unhook the Spring Tension from the Hook H11 of the Arm Assembly Tension 2 Unhook the Hook H12 of the Base Tension and lift the Arm Assembly Tension up NOTE Difference for Springs 15 Reel S Reel T Fig A 4 4 1 Difference for Reel S Reel T Spring TB S...

Страница 32: ...ner Lid Fig A 5 2 1 Breakaway the B portion of the Opener Lid from the embossing of the Chassis 2 Turn the Opener Lid to clockwise direction and lift it up 18 Arm Assembly Pinch Fig A 5 3 1 Lift the Arm Assembly Pinch up NOTE When reassembling confirm the C portion of the Arm Assembly Pinch is inserted to the Chassis hole correctly as Fig 19 Lever T up Fig A 5 4 Arm T up Fig A 5 5 1 Unhook the Hoo...

Страница 33: ...apstan 2 Remove the three Screws S5 on bottom Chassis and lift the Motor Capstan up 21 Lever F R Fig A 6 3 1 Unlock the Locking Tab L1 as Fig A 6 3 and lift the Lever F R up 22 Clutch Assembly D35 Fig A 6 4 1 Remove the Washer W1 and lift the Clutch Assembly D35 up 23 Brake Assembly Capstan Fig A 6 5 1 Pull the Locking Tab L2 back in direction of arrow and lift it up Fig A 6 1 Fig A 6 2 Fig A 6 3 ...

Страница 34: ...and the Gear Cam Hole B in a straight line after the Gear Drive Hole C is aligned with the Chassis Hole as Fig 25 Gear Sector Fig A 7 3 1 Unhook the Hook H15 of the Base Loading on bottom Chassis and lift the Gear Sector up 26 Plate Slider Fig A 7 4 1 Just lift the Plate Slider up 27 Lever Tension Fig A 7 5 1 Unhook the A portion of the Lever Tension from the Hook H16 of the Chassis 2 Turn the Lev...

Страница 35: ... P3 up NOTE When reassembling align the two holes of the Gear Assembly P2 and P3 in a straight line after confirmation whether the Gear Sector Hole A and the Plate Slider Hole B are aligned or not as Fig 30 Base Assembly P2 Fig A 8 3 Base Assembly P3 Fig A 8 4 1 Move the Base Assembly P2 in direction of arrow A along the guide hole of the Chassis and disassemble it on bottom side 2 Move the Base A...

Страница 36: ...ion Fig A 9 2 1 Breakaway the A portion of the Base Tension from the embossing of the Chassis 2 Turn the Base Tension to counterclockwise direction and lift it up 33 Arm Assembly Idler Fig A 9 3 1 Make narrower the two parts B and C as Fig A 9 3 2 Lift the Arm assembly Idler up NOTE When disassembling be careful not to be caught the D part by the Chassis as Fig Fig A 9 1 Fig A 9 2 Fig A 9 3 ...

Страница 37: ... Cassette Torque Meter 1 1 4 Post Height Adjusting Driver Roller driver PTU94002 2 Alignment Tape 3 Torque Gauge 3 PUJ48075 2 3 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 PUJ42881 NTSC MHP PAL MHPE ...

Страница 38: ...is as below Fig C 2 4 Remove the Screw which fixes the Deck Mechanism and Main Frame and confirm 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 Gear Cam Gear Drive A Mode S W B L D Motor Assembly Gear Cam Chassis Hole Gear Cam ...

Страница 39: ...daptor with the Torque Gauge affixed NOTE The torque reading to measure occurs when the tape abruptly changes direction from Fast Forward to Rewind Mode when quick braking 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 C...

Страница 40: ...velope CH 2 NTSC SW 30Hz PAL SW 25Hz Head Switching Output Point RF Envelope Output Point Test Conditions VCR VCP State 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 OSCILLOS...

Страница 41: ...Screw Fig C 5 3 A C Head Tape Tape 0 2 0 25mm P4 5 1 Preliminary Adjustment Height and Tilt Adjustment Perform the 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 cur...

Страница 42: ...ernately adjust the Azimuth Adjustment Screw A and the Tilt Adjustment Screw C for maximum output of the 1KHz and 7KHz segments while maintaining the flattest envelope differential between 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 3...

Страница 43: ...hanism Condition Play the Blank Tape Play an Alignment Tape Adjustment Points Guide Roller Precise 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...

Страница 44: ...nch Roller NOTE If locations marked with o do not operate normally after cleaning check for wear and replace See the EXPLODED VIEWS at the end of this manual as well as the above illustrations and see the Greasing Page 4 21 22 for the sections to be lubricated and greased 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...

Страница 45: ...video head First use a cleaning tape If the dirt on the head is too stubborn to remove by tape use the cleaning patch Coat the cleaning patch with Isopropyl Alcohol Touch the cleaning patch to the head tip and gently turn the head rotating cylinder right 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 Otherw...

Страница 46: ...ng Path Inside Top side 2 Base Assembly P2 P3 stopper 3 Shaft 4 L D Motor Gear Wheel Part 5 Arm Take up Rubbing Sections 6 Reel S T shaft G381 Yellow 7 Arm Assembly F L Rotating Sections Guide Rail Base Loading Gear Drive Gear Sector Gear Cam Gear Part Chassis Left Side Chassis Right Side 5 7 8 1 2 6 4 3 Slider Guide Slider Guide 1 Loading Path Inside Top side 2 Base Assembly P2 P3 stopper 3 Shaft...

Страница 47: ...MAINTENANCE INSPECTION PROCEDURE 4 22 Lever F R Base Tension GEAR AY P2 P3 Lever F R Base Tension Arm Tension Guide Hole Clutch G 754 Yellow Boss Cam ...

Страница 48: ... sensor Check the syscon circuit NO YES YES YES YES NO NO 1 Deck Mechanism A NO NO NO No F R modes Is the present mode F R Mode Is the mode SW assembled correctly refer to page 4 13 Is the normal voltage supplied to the Capstan Motor Vcc1 Vcc2 Does terminal voltage Vctl of Capstan Motor supply side more than 4V Check the servo power circuits Replace the Capstan Motor Does the Capstan Motor rotate ...

Страница 49: ...page 4 13 Replace the Drum Motor Check the Servo Syscon Check the Syscon µ COM Cassette doesn t load Insert the cassette Check Lever Assembly S W Is there variation for CST IN S W Output In Tape with REC Tab L H L In Tape without REC Tab L H L H Does the CST IN S W work normally Does the Lever Assembly S W work normally Check the Syscon Circuit Check the Syscon Circuit Replace the CST IN S W YES Y...

Страница 50: ...k Check the Syscon Circuit Check the Syscon Circuit Check the Servo Syscon Does the Capstan Motor turn Is the terminal voltage vctl of the Drum Motor more than 4V Replace the Drum Motor Is the Vcc voltage of the Drum Motor normal Check the Clutch and Idler Assembly YES YES YES YES YES YES YES YES NO NO NO NO NO Is the terminal voltage vctl of Capstan Motor supplied more than 4V Replace the Capstan...

Страница 51: ... 5V YES Is there a short circuit between cassette switch and GND on main P C Board Remove the short circuit part or Replace the main P C Board NO Check the Mode switch location and syscon circuit Replace the CST IN Switch YES NO YES NO NO Replace the CST IN Switch NO NO Cassette does not eject Does the L D Motor rotate in reverse Check the L D Motor or Drive IC Replace the Lever Assembly Switch Do...

Страница 52: ...Assembly F L Check the power of L D Motor Check the Holder Assembly Cassette assembled correctly Replace the Gear Rack F L Does the Gear Assembly 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 ...

Страница 53: ...CAM TIMER H D155 SNUBBER BLOCK IC101 R109 C135 D103 R103 C109 R125 R126 D102 R104 C105 C106 D109 C120 L104 C121 NOTES Symbol denotes AC ground Symbol denotes DC chassis ground FROM µ COM FROM µ COM P CTL H LINE FILTER BLOCK C101 L102 C102 RECTIFIER SMOOTHING D105 C115 36V S W BLOCK Q154 R157 R158 R155 5VT SW BLOCK Q152 R153 R154 D156 5V S W BLOCK PWR CTL BLOCK Q163 Q151 R151 R152 Q162 R161 FEED BA...

Страница 54: ...C BUS INTERFACE TIMING VPS BLOCK IC7V1 SDA5650 141 5 2VA 358 VPS V out 59 CLK 60 DATA 55 DAV VSUP CVBS Iref VC01 VCS CSO SDA SCL GND PD1 EHB DA VIN T1 PD2 VC02 2 3 7 13 12 3 23 3 24 2 Tu IF NICAM A2 Block Diagram From Power 144 27 731 60 59 93 94 146 143 396 144 875 141 5 4VA 5 2VT S V W ...

Страница 55: ... 68 67 65 59 58 54 52 50 V IN2 S1 V IN1 TUNER 48 46 43 33 32 31 CLK IN 29 28 4 43MHz 27 21 95 94 89 88 Killer C LPF ACC BPF Main Conv Main Conv DETAIL ENH NL EMPHA W D CLIP IC301 LA71750M UP REC SP REC To Drum To Drum W D CLIP REC FM EQ Y LPF FBC AGC SW Y DELAY KILL DEC REC APC VX02 VX02 COMP AMP 1H 2H DELAY YNR 29 16 2 12 IC201 LA70100M 5 Hi Fi Block Diagram Hi Fi Model Only 1 2 3 4 5 6 7 8 9 10 ...

Страница 56: ...3 27 3 28 6 System Block Diagram RC501 R5R7 R5R7 R5R8 C5R C5R2 RC501 2fsc R524 R514 R518 R516 R589 C577 C576 L501 Q504 LD LD L M CONTROL R525 R526 IC501 HD6432197A ...

Страница 57: ... 7 R15000A BD101 R101 are defective Power dead F101 is defective Power dead IC101 is defective Switching dead D102 is defective No power D106 is defective No 5 3VA and 5VG 5VT No 14VA 12VA are 12VT D109 C120 are defective Q152 is defective No 5 2VT IC102 IC103 are defective Power dead NOTE 1 Shaded parts are critical for safety Replace only with specified part number 2 Voltages are DC measured wit...

Страница 58: ...3 31 3 32 2 Tuner NICAM Circuit Diagram EE MODE VIDEO TU MODE AUDIO FROM POWER F A V F A V To A V F To Hi Fi To Hi Fi F SYS 03 1 7 R15004A ...

Страница 59: ... failed IC301 Pin 84 is defective EE PB Screen doesn t appear Q305 is defective PB COLOR Signal disappear IC301 Pin70 is defective PB COLOR Signal disappear IC301 is defective D301or IC301 Pin 80 REC is defective Normal Audio signal is not recorded FL301 Q301 Q306 are defective No mono Audio Signal in PB MODE Q302 Q303 Q314 are defective 3 33 3 34 3 A V SECAM VPS Circuit Diagram ...

Страница 60: ...fective Remote control s Pulse will not received X501 is defective CLOCK SETTING will not operate X502 is defective µ COM will not operate ES501 ES502 LD501 are defective Auto Rew will not working RS501 RS502 Q514 Q515 are defective Auto stop occures R575 R576 R577 R578 are defective Deck will not operate IC504 is defective Reset is defective Set dead 4 System Circuit Diagram 3 36 3 35 ...

Страница 61: ...mode 1 1Vp p IC301 Pin 6 REC mode 2 0Vp p IC301 Pin 29 PB mode 2 02Vp p IC301 Pin 41 PB mode 400mVp p IC301 Pin 64 PB mode 400mVp p IC301 Pin 23 PB REC mode 5Vp p IC301 Pin 24 PB REC mode 5Vp p IC301 Pins 71 72 REC mode 340mVp p IC301 Pins 51 54 PB mode 300mVp p IC301 Pin 63 PB mode 400mVp p IC301 Pin 11 PB mode 3 6Vp p IC301 Oscilloscope Waveform ...

Страница 62: ... DV SYNC IC501 PIN 109 1V 100uS QUE REV MODE CTL IC501 Pin 3 1V 10mS CTL IC501 Pin4 1V 10mS DFG FG IC501 PIN 103 104 1V 10mS REC PB MODE CFG IC501 Pin9 1V 10mS V IN IC501 Pin 17 500mV 20uS V OUT IC501 Pin 19 500mV 20uS EE PB MODE C SYNC IC501 Pin 111 1 0V 100uS EE PB MODE ...

Страница 63: ...3 39 3 40 5 Hi Fi SCART Circuit Diagram V OUT V IN PB Hi Fi NORMAL Audio All Audio is not appear IC801 42 43 Pins are defective ...

Страница 64: ...22 0 0 17 0 12 0 18 0 31 5 27 5 28 4 93 4 88 2 29 0 0 0 4 88 5 24 0 0 0 0 0 01 5 25 4 48 5 28 0 5 25 5 27 5 27 0 0 4 91 4 91 5 17 5 17 2 84 2 31 5 16 1 91 1 9 2 5 0 4 0 1 1 91 2 34 5 14 2 37 0 2 47 2 46 0 2 47 2 88 2 28 2 5 5 28 5 27 5 01 0 18 0 3 5 28 5 29 4 94 4 88 2 29 0 0 0 4 88 5 25 0 0 0 0 5 28 0 0 04 5 29 0 5 26 5 29 5 28 0 0 4 92 4 91 5 18 5 19 2 83 2 31 5 016 1 9 1 89 2 49 0 4 0 56 1 98 2...

Страница 65: ...74 5 3 0 5 18 0 0 2 53 5 19 2 69 2 63 3 05 0 0 5 3 0 05 2 22 0 0 0 0 0 12 66 0 5 3 5 3 33 76 12 76 0 03 30 14 0 03 0 02 0 03 0 03 13 95 5 3 0 5 14 18 22 18 22 2 5 1 9 2 64 2 6 3 01 0 0 5 3 0 05 1 92 0 0 0 0 0 12 72 0 5 3 4 52 32 34 13 4 0 84 29 78 0 0 69 5 18 4 38 0 01 5 3 0 01 5 18 0 42 0 4 1 29 5 19 1 98 1 98 2 41 0 67 0 71 4 61 0 14 0 5 09 0 0 12 5 26 0 0 01 0 4 54 4 52 32 89 13 35 0 84 29 8 0 ...

Страница 66: ...52 330 323 TU701 TUNER 2SCART 1SCART 457 320 452 A00 275 LED502 LED501 457 457 A43 283 280 284 277 A42 A49 281 300 250 462 462 NOTE Refer to SECTION 5 REPLACEMENT PARTS LIST in order to look for the part number of each part OPTIONAL PARTS ...

Страница 67: ...2 002A 025 027 022 003 004 006 007 010 405 014 015 009 409 013 023 016 405 012 402 OPTIONAL PART A22 109 054 054A 117 103 105 117 100 106 107 A21 114 113 112 110 115 A24 116 102 A23 100A 100B 051 052 517 061 056 058 518 052A 055 060 410 070 069 076 032 077 068 064 066 065 067 A11 078 A12 OPTIONAL PART TOP VIEW BOTTOM VIEW ...

Страница 68: ... 8P6C CDE NSP 002 LG 4680R B005A MOTOR MECH DRUMI2OAL05SEJIN SANKYOICLE ABCDE 002A LG 5202R00002C BRUSH CARBON ASSYD33 TIP 2SPRING 1 4 ABCDE 003 LG 4930R 0284A HOLDER FPC 6CH CDE 003 LG 4930R 0286A HOLDER FPCB 2CH AB 004 LG 5006R 0034A CAP FPC ABCDE 008 LG 6850R HG18Z CABLE FLAT P 1 25FFCUL2896 0 05X0 8 7 ABCDE 009 LG 4260R 0038A ARM T UP D35 ABCDE 010 LG 4810R 0125A BRACKET CHASSIS ABCDE 011 LG 4...

Страница 69: ...CITORTUBULA HIGHDIELE 1200P 16V M X TA26 ABCDE C307 QETC1HM 105Z CAPACITOR ELECTROLYTIC 1 0MSRA SS50V MFM5TP 5 ABCDE C308 LG 0CQ1532K409 CAPACITOR FIXEDFILM 0 015UFS50VJPETP ABCDE C309 LG 0CN1210K518 CAPACITORTUBULA HIGHDIELE 120P 50V KB TA26 ABCDE C310 LG 0CQ1032K409 CAPACITOR POLYESTER MYLAR 0 01UFS50VJPETP ABCDE C311 LG 0CE4765K618 CAPACITOR AL ELECTROLYTIC 47UFSR SV50VMFLTP5 ABCDE C312 LG 0CN1...

Страница 70: ... C807 LG 0CE4754K638 CAPACITOR FIXEDELECTROLYTIC 4 7UFSRA SS50V20 FM5TP5 CDE C808 LG 0CN1040K948 CAPACITOR FIXEDTUBULAR Highd 0 1UFD50V80 20 F Y5V TA CDE C809 LG 0CN1040K948 CAPACITOR FIXEDTUBULAR Highd 0 1UFD50V80 20 F Y5V TA CDE C810 QET61CM 106Z CAPACITOR ELECTROLYTIC 10M SRA16V MFM5 TP 5 CDE C811 QET61CM 106Z CAPACITOR ELECTROLYTIC 10M SRA16V MFM5 TP 5 CDE C813 QET61CM 106Z CAPACITOR ELECTROLY...

Страница 71: ... ABCDE R569 QRD161J 105Y RESISTOR FIXEDCARBONFILM 1MOHM1 6W5 TA26 ABCDE R570 QRD161J 472Y RESISTOR FIXEDCARBONFILM 4 7KOHM1 6W5 TA26 ABCDE R575 QRD161J 472Y RESISTOR FIXEDCARBONFILM 4 7KOHM1 6W5 TA26 ABCDE R576 QRD161J 472Y RESISTOR FIXEDCARBONFILM 4 7KOHM1 6W5 TA26 ABCDE R577 QRD161J 472Y RESISTOR FIXEDCARBONFILM 4 7KOHM1 6W5 TA26 ABCDE R578 QRD161J 472Y RESISTOR FIXEDCARBONFILM 4 7KOHM1 6W5 TA26...

Страница 72: ...0K018 INDUCTORAXIALLEAD 100M K2 3X3 4L5TP ABCDE L907 LG 636 004C FILTER CIRC EMC BEADCOREBFS3550R2FD8 RT P ABCDE L911 LG 0LA1000K018 INDUCTORAXIALLEAD 100M K2 3X3 4L5TP D L912 LG 0LA1000K018 INDUCTORAXIALLEAD 100M K2 3X3 4L5TP D L914 LG 0LA1000K018 INDUCTORAXIALLEAD 100M K2 3X3 4L5TP D L915 LG 0LA1000K018 INDUCTORAXIALLEAD 100M K2 3X3 4L5TP D CS501 LG 6600M000002 SWITCH PUSH MPU11810MLB0MICDC5V1MA...

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