Mitsubishi HS-HD1100U Service Manual

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Owner's manual (64 pages)

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Page 1 • Weight and dimensions shown are approximate. • Design and specifications are subject to change without notice. MITSUBISHI DIGITAL ELECTRONICS AMERICA, INC. 9351 Jeronimo Ave. Irvine, California 92618 U.S.A. Copyright C 2002 Mitsubishi Digital Electronics America, Inc. All Rights Reserved.
Page 2: Table Of Contents
CONTENTS PULLEY GEAR ASSY, SLIP GEAR, SPECIFICATIONS ............1 SLIP SPRING, THRUST WASHER, CONTENTS..............2 SLIP WASHER, SLIP ADJUSTER, GLOSSARY OF ABBREVIATIONS ........4 IDLER 2 UNIT..........9 2-15. CAPSTAN BRAKE SPRING, CAPSTAN BRAKE ASSY......11 SAFETY PRECAUTIONS ..........1 2-16 FC HOLDER, MOTOR HOLDER, CONNECTION ..............3 LOADING WORM, WARNING................3 LOADING MOTOR ASSY,...
Page 3: Contents
CONTENTS Check and Adjustment of FM Envelope ..........31 3-2-1 GUIDE ROLLER Adjustment Check ....31 3-2-2 Height Adjustment of GUIDE ROLLER (SP) ........31 3-2-3 Height Adjustment of GUIDE ROLLER (TU) ........31 3-2-4 Coarse Adjustment of Phase .......32 3-2-5 Flatness Check of FM Waveform....32 3-2-6 Tape Running Condition at the GUIDE ROLLERs (Check1) ....33 3-2-7 Tape Running Condition...
Page 4: Glossary Of Abbreviations
GLOSSARY OF ABBREVIATIONS : Audio/Control JSTCLK : Just Clock A-PB : Audio Play Back A-REC : Audio Recording LIN-IN : Linear Audio In : Audio Erase LIN-OUT : Linear Audio Out AENV : Audio Envelope LMUTE : Linear Mute : Automatic Frequency Control : Long Play : Audio Flip Flop AFTV...
Page 5: Safety Precautions
SAFETY PRECAUTIONS INTRODUCTION SAFETY NOTICE This manual provides service information for the adjustments Before returning VCR to the customer a safety check of the of mechanical and electrical operations. entire VCR should be made. The service technician must be Due to design modifications, the servicing procedures and sure that no protective device built into the instrument by the data given in this manual are subject to possible change manufacturer has become defective or inadvertently...
Page 6 2. Hot Check The test sequence, with reference to the measuring (2) Close switch S1, energizing the VCR, and immediately circuit in the figure is as follows: after closing the switch, measure leakage current using (1) With switch S1 open, connect the VCR to the measuring both positions of switch S2, and with the switching circuit.
Page 7: Connection
CONNECTION Connecting separate antennas (UHF/VHF) Now that you’ve completed the antenna connections to your Connecting the Television VCR, you’re ready to connect the VCR to the TV. To connect separate UHF/VHF antennas to the VCR: Because every television is different (especially older model 1.
Page 8: Disassembly
DISASSEMBLY 1. Removal of Top Cover 1. Remove the two Top Cover fastening screws (a) shown in Fig. 1 and remove the Top Cover in the direction shown by arrow. 2. Removal of Front Panel 1. Remove the Top Cover. (Refer to Para.
Page 9 3. Removal of Bottom Panel 1. Remove the Top Cover. (Refer to Para. 1 of the DISASSEMBLY.) 2. Remove the two fastening screws (a) shown in Fig. 2. 3. Turn the set upside down as shown in Fig. 3. 4. Slide and lift the Bottom Panel in the direction of the arrows paying attention to the four catches (b) to remove Fig.
Page 10 4. Removal of DECK ASSY 1. Remove the Top Cover. PCB HA Holder (Refer to Para. 1 of the DISASSEMBLY.) 2. Remove the Front Panel. (Refer to Para. 2 of the DISASSEMBLY.) 3. Short-circuit the cathode side of D927 and the GND of the DECK ASSY using the jig shown below.
Page 11: How To Execute Circuit Board Service
HOW TO EXECUTE CIRCUIT BOARD SERVICE CAUTION: BEFORE ATTEMPTING TO REMOVE OR PCB-1394/D-VHS REPAIR ANY PCB, UNPLUG THE POWER CORD FROM THE A.C. SOURCE. PCB-HEAD AMP LOCATION OF PRINT PCB-MAIN CIRCUIT BOARDS Note : • Take caution when removing flat cables to prevent any contact problem.
Page 12 3. PCB-JOG 1. Remove the Top Cover. Front Panel (Refer to Para. 1 of the DISASSEMBLY.) 2. Remove the Front Panel. (Refer to Para. 2 of the DISASSEMBLY.) PCB-JOG 3. Unfasten the three screws (a) shown in Fig. 9 and remove the PCB-JOG.
Page 13 4. PCB-1394/D-VHS 1. Remove the Top Cover. Cover D VHS (Refer to Para. 1 of the DISASSEMBLY.) 2. Lift and remove the Cover D VHS as shown in Fig.10. Part A PCB HOLDER 3. Remove the one screw (a) and remove the PCB Spring Earth EMC HOLDER shown in fig.
Page 14 5. PCB-MAIN 1. Carry out steps 1 and 2 of “3.Removal of Bottom Panel” of “DISASSEMBLY” 2. Remove the Front Panel. (Refer to Para. 2 of the DISASSEMBLY.) 3. Remove the DECK ASSY. (Refer to Para. 4 of the DISASSEMBLY.) 4.
Page 15: Chip Parts Replacement
CHIP PARTS REPLACEMENT CHIP PARTS REPLACEMENT 2. Removal of Chip Parts (Transistors) Some resistors, shorting jumpers (0Ω resistor), ceramic A. Melt the solder of one lead. Lift the side of that lead capacitors, transistors and diodes are chip parts. upward. When replacing these parts, note the following cautions.
Page 16: Specifications
MECHANICAL ADJUSTMENT AND REPLACEMENT 1. DECK Cleaning 1-2. Tape Running System Clean the following Parts of the Tape Running System. The following Parts require cleaning whenever serviced in 1. TENSION PIN order to maintain satisfactory performance. 2. F/E HEAD 1-1. VIDEO HEAD 3.
Page 17: Replacement Of Major Parts
2. Replacement of Major Parts 2-1. CLEANING ARM, FELT RING FELT RING SET POSITION : Normal (Removal) CLEANING 1. Release the two catches (a) of the CLEANING ARM shown in the Fig. 2-1 to remove the CLEANING ARM. 2. Release the two catches (b) of the CLEANING ARM shown in the Fig.
Page 18: Servo Circuit Adjustment
2-3. BOTTOM ASSY Hole in MAIN PLATE ASSY SET POSITION : Normal Remove the following part before replacing the BOTTOM ASSY. Refer to the corresponding item to install it. • STAY PLATE (Item 2-2) (Removal) 1. Move the WORM WHEEL in the Fig. 2-3-1 in the direction shown by the arrow A.
Page 19: D-Vhs Signal Circuit Adjustment
2-4. INSERT GUIDE (TU) SET POSITION : Normal Remove the following parts before replacing the INSERT INSERT GUIDE (TU) GUIDE (TU). Refer to the corresponding items to install them. • STAY PLATE (Item 2-2) • BOTTOM ASSY (Item 2-3) (Removal) 1.
Page 20: Rec Holder, Rec Lever, Rec Spring
2-6. REC HOLDER, REC LEVER, REC SPRING SPRING REC LEVER SET POSITION : Upside down (Removal) 1. Remove the screw (a) fastening the REC HOLDER shown in the Fig. 2-6 to remove the REC HOLDER. 2. Release the REC SPRING shown in the Fig. 2-6 from REC HOLDER the catch (b) of the REC HOLDER to remove the REC LEVER.
Page 21: A/C Head Unit
2-8. A/C HEAD UNIT LEAD CONNECTOR SET POSITION : Normal (Removal) 1. Remove the LEAD CONNECTOR of the A/C HEAD UNIT shown in the Fig. 2-8. A/C HEAD UNIT 2. Remove the two screws (a) fastening the A/C HEAD UNIT shown in the Fig. 2-8 to remove the A/C HEAD Head UNIT.
Page 22: Sensor Cover (Tu)
2-10.SENSOR COVER (TU) SET POSITION : Normal (Removal) 1. Release the catch (a) of the SENSOR COVER (TU) shown in the Fig. 2-10 to remove the SENSOR COVER (TU). (Installation) 1. Install the SENSOR COVER (TU) shown in the Fig. 2- SENSOR COVER (TU) Fig.
Page 23: Rev Unit (Tu)
2-12.REV UNIT (TU), REV UNIT (TU) REV UNIT (SP) SET POSITION : Upside down (Removal) REV UNIT (SP) 1. Release the two catches (a) of the REV UNIT (TU) shown in the Fig. 2-12 to remove the REV UNIT (TU). 2.
Page 24: Thrust Washer
2-14.REEL BELT, PULLEY BUSH, THRUST REEL BELT WASHER, BELT PULLEY, SHIFT SLIDER, PULLEY GEAR ASSY, SLIP PULLEY BUSH GEAR, SLIP SPRING, SLIP WASHER, THRUST WASHER, SLIP ADJUSTER, THRUST WASHER IDLER 2 UNIT BELT PULLEY SET POSITION : Upside down Pull in the direction (Removal) of the Arrow (A) to remove it from the...
Page 25 9. Install the units from the SLIP WASHER to REEL BELT shown in the Fig. 2-14-1. SLIP ADJUSTER Note1 : Be sure to replace the removed PULLEY BUSH Center of the with a new one. BELT PULLEY Note2 : Attach the SLIP SPRING with its straight end facing the SLIP GEAR side.
Page 26: Capstan Brake Spring
2-15.CAPSTAN BRAKE SPRING, CAPSTAN BRAKE ASSY CAPSTAN BRAKE ASSY SET POSITION : Upside down (Removal) 1. Remove the CAPSTAN BRAKE SPRING shown in the CAPSTAN MOTOR Fig. 2-15. 2. Remove the catch (a) of the CAPSTAN BRAKE CAPSTAN BRAKE SPRING ASSY shown in the Fig.
Page 27: Fc Holder, Motor Holder
2-16.FC HOLDER, MOTOR HOLDER, LOADING MOTOR ASSY LOADING WORM, LOADING MOTOR ASSY, WORM WHEEL SET POSITION : Normal (Removal) 1. Release the two catches (a) of the FC HOLDER LOADING FC HOLDER WORM shown in the Fig. 2-16-1 to remove the FC HOLDER. 2.
Page 28: Pinch Arm Cap, Pinch Unit
2-17.PINCH ARM CAP, PINCH UNIT SET POSITION : Normal PINCH ARM (Removal) 1. Release the two catches (a) of the PINCH ARM CAP Part shown in the Fig. 2-17 to remove the PINCH ARM CAP. 2. Remove the PINCH UNIT shown in the Fig. 2-17. Part PINCH ASSY (Installation)
Page 29: Brake Cam Plate
3. Apply GREASE (MULTEMP AC-DM)[859D055O90] to the points on the MAIN PLATE ASSY specified in the Hole Fig. 2-18-1. 4. Apply GREASE (MULTEMP AC-DM)[859D055O90] to the points on the DOOR ARM specified in the Fig. 2- MAIN CAM 18-1. 5. Install the DOOR ARM. F/L PLATE 6.
Page 30: Video Head
BRAKE SPRING Insert the BRAKE SPRING under the Catch. Catch BRAKE (TU) Fig. 2-19-3 2-20.GUIDE LAMP SET POSITION : Normal Remove the following parts before replacing the GUIDE LAMP. Refer to the corresponding items to install them. • STAY PLATE (Item 2-2) •...
Page 31: Main Cam, Guide Arm (Tu)
2-21.MAIN CAM, GUIDE ARM (TU), MAIN CAM BRAKE LEVER SET POSITION : Normal Remove the following parts before replacing the MAIN CAM, GUIDE ARM (TU), BRAKE LEVER. Refer to the BRAKE LEVER corresponding items to install them. GREASE • STAY PLATE (Item 2-2) (MULTEMP AC-DM) •...
Page 32: L/D Lock Lever
2-22.L/D LOCK LEVER L/D LOCK LEVER SET POSITION : Normal Remove the following parts before replacing the L/D LOCK LEVER. Refer to the corresponding items to install them. • STAY PLATE (Item 2-2) • BOTTOM ASSY (Item 2-3) • MOTOR HOLDER (Item 2-16) •...
Page 33: Belt Lever, Belt Adjuster
2-24. BELT LEVER, BELT ADJUSTER SET POSITION : Normal Remove the following parts before replacing the BELT BELT LEVER LEVER, BELT ADJUSTER. Refer to the corresponding items to install them. BELT ADJUSTER • STAY PLATE (Item 2-2) • BOTTOM ASSY (Item 2-3) •...
Page 34: Brake Belt (Tu)
(Installation) 1. Apply GREASE (MULTEMP AC-DM) [859D055O90] to the parts on the MAIN PLATE ASSY specified in the Fig. 2-25. 2. Install the REEL DISK (SP side). 3. Install the TENS AXIS HOLDER. Note : Install the TENS AXIS HOLDER so that the catch (a) for the TENSION ARM will be positioned on the front (F/L ARM ASSY side).
Page 35: Shift Lever
(Installation) Note : Install the BRAKE BELT (TU) so that its Felt Side touches the REEL DISK (TU side). The GREASE applied to the BRAKE CAM PLATE and the MAIN PLATE ASSY should not adhere on the Felt Side of the BRAKE BELT (SP). 1.
Page 36: Charge Spring, Swing Lever
2-29.CHARGE SPRING, SWING LEVER, CHARGE ASSY CHARGE SPRING SET POSITION : Normal Remove the following parts before replacing the CHARGE ASSY CHARGE SPRING, SWING LEVER, CHARGE ASSY. Refer to the corresponding items to install them. • STAY PLATE (Item 2-2) •...
Page 37: A/L Lever
(Installation) 1. Apply GREASE (MULTEMP AC-DM)[859D055O90] to LOADING ARM ASSY (TU) the parts on the MAIN PLATE ASSY specified in the Fig. 2-30-1. 2. Apply GREASE (MULTEMP AC-DM)[859D055O90] to the parts on the LOADING ARM ASSY (TU) specified in the Fig. 2-30-2. 3.
Page 38 (Installation) A/L LEVER Note : Install the LOADING ARM ASSY (TU) and LOADING ARM ASSY (SP), according to the following procedure, after installing the A/L Back LEVER. 1. Apply GREASE (MOLYKOTE G PASTE) [859D055O50] to the parts on the MAIN PLATE ASSY specified in the Fig.
Page 39: Tape Guide Assy (Sp)
2-32.TAPE GUIDE ASSY (SP), TAPE GUIDE ASSY (TU) TAPE GUIDE ASSY (TU) TAPE GUIDE ASSY (SP) SET POSITION : Normal Remove the following parts before replacing the TAPE GUIDE ASSY (SP), (TU). Refer to the corresponding items to install them. •...
Page 40: Drum Clamper, Drum Assy
2-33.DRUM CLAMPER, DRUM ASSY LEAD CONNECTOR SET POSITION : Normal (Removal) 1. Disconnect the LEAD CONNECTOR of the DRUM ASSY shown in the Fig. 2-33-1. DRUM ASSY with 2. Remove the two screws (a, b) fastening the DRUM DRUM CLAMPER CLAMPER shown in the Fig.
Page 41: Spacer, Rotor Case, End Ring, Brush, Upper Drum Assy
Part A Reference Reference Pin and Catch have to Catch touch each other. Fig. 2-33-3 2-34.DRUM MOTOR STATOR, BRUSH Side View of END RING SPRING, SPACER, ROTOR CASE, END RING, BRUSH, UPPER DRUM DRUM MOTOR This side down. ASSY STATOR SET POSITION : Normal LEAD (Removal)
Page 42: Capstan Motor
(Installation) 1. Install the SPACER shown in the Fig. 2-34-1. Note : Be sure to use the new SPACER packed with the new UPPER DRUM ASSY. 2. Install the UPPER DRUM ASSY shown in the Fig. 2- 34-1. 3. Install the END RING so that the reference hole (A) of the END RING shown in the Fig.
Page 43 (Installation) 1. Apply SILICON COMPOUND (SC102) [859D164O10] to the parts on the MAIN PLATE ASSY specified in the Fig. 2-35-3. WORM WHEEL 2. Install the CAPSTAN MOTOR. GUIDE ARM (TU) Arrow CAPSTAN MOTOR Fig. 2-35-2 SILICON COMPOUND (SC102) MAIN PLATE ASSY Fig.
Page 44: Ssw Holder, Ssw Slider
2-36.SSW HOLDER, SSW SLIDER SSW SLIDER SET POSITION : Upside down To access the SSW UNIT, remove the following parts : • STAY PLATE (Para. 2-2) SSW HOLDER • BOTTOM ASSY (Para. 2-3) (Removal) 1. Remove the SSW SLIDER shown in the Fig. 2-36 . 2.
Page 45: Interchangeability Adjustment Of The Mechanism
3. Interchangeability Adjustment of the Mechanism Note 1 : Tracking may need to be preset during TENSION ARM interchangeability adjustment of the mechanism. Digital tracking is preset by short circuiting TP5A and TP5B on the PCB-MAIN. Note 2 : The adjustments are performed in the TENSION POLE PLAYBACK mode, using the staircase signal of an alignment tape,unless otherwise...
Page 46: Check And Adjustment Of Fm Envelope
3-2. Check and Adjustment of the FM Envelope 3-2-1. GUIDE ROLLER Adjustment check 1. Play back an alignment tape (NM6KE2 : 859C339O90). 2. Preset the tracking. 3. Confirm that the FM Waveform is flat such as in (A). 4. Perform the Item 3-2-2. "Height Adjustment of GUIDE ROLLER (SP) "...
Page 47: Coarse Adjustment Of Phase
3-2-4. Coarse Adjustment of Phase 1. Play back an alignment tape (NM6KE2 : 859C339O90). 2. Preset the tracking. 3. Observe the FM Waveform after performing Item 3-2- 1. "GUIDE ROLLER Check". Screw D 4. If the amplitude level of the FM Waveform is low such as in (F) in Fig.
Page 48: Tape Running Condition At The Guide Rollers (Check1)
3-2-6. Tape Running Condition at the GUIDE ROLLERs (Check 1) GUIDE ROLLER 1. Play back an Alignment Tape. Tape [NM6KE2: 859C339O90] 2. Confirm visually that there is a space between the Tape and the Lower FLANGE of the GUIDE ROLLER (SP) and the GUIDE ROLLER (TU).
Page 49: A/C Head Adjustment
3-3. A/C HEAD Adjustment 3-3-1. Slant Adjustment of A/C HEAD 1. Play back a blank tape. Screw C 2. Slowly turn the slant adjustment Screw C shown in the Fig. 3-3-1 counter-clockwise to slightly crease the bottom of the tape at the Lower FLANGE of the GUIDE POLE (TU).
Page 50: Phase Adjustment
3-4. Phase Adjustment 1. Play back an alignment tape (NM3KE6 : 859C339O50). 2. Preset the tracking. Screw D 3. Loosen the Screws D and E shown in the Fig. 3-4-1. Insert a screw driver (+) into the Hole in the MAIN PLATE ASSY (Part A) and move the A/C PLATE to the right and left to set the amplitude level of the FM Tape...
Page 51: Servicing For Tape Jam During The Loading Process
4. Servicing for Tape Jam WORM WHEEL during the Loading Process 1. Remove the tape if the mechanism part is locked due tangled tape. 2. Rotate the WORM WHEEL of the LOADING MOTOR ASSY shown in the Fig. 4 in the direction of the arrow A to eject the cassette tape.
Page 52: Service Can Be Executed With The Ee Picture Displayed
SERVICE CAN BE EXECUTED WITH THE EE PICTURE DISPLAYED 1. Short-circuit the cathode side of D927 and the GND of the DECK ASSY using the jig shown in Fig. 2. 2. Remove the DECK ASSY. 3. Connect TP5X and TP5Y with a jumper. Note1: Short-circuit the test points before turning on the power.
Page 53 HOW TO INITIALIZE THE E PROM A replacement E PROM is not initialized before shipping, so the E PROM must be initialized when replaced. Initialize the E PROM by following the steps below. 1. Press and hold the POWER button on the set for 8 seconds. 2.
Page 54 LOCATIONS PCB-MAIN (Component side) REAR TP2H TP5A TP5B TP3Y PCB-HEAD AMP (Component side) TPHSR TPHSL - 2 -...
Page 55 [ Servo circuit ] Adjustment purpose Video switch over timing during playback. 1. Playback Switching Point Symptom when Switching noise or jitter in the playback picture. incorrectly adjusted 1. Play back an Alignment Tape. (NS1, stair step) Measuring instrument and condition VCR set up condition 2.
Page 56 [ D-VHS signal circuit] Adjustment purpose To adjust the timing for switching the video head during playback. 2. D-VHS switching point Symptom when Images may not be displayed or block noise may appear. incorrectly adjusted 1. Playback an alignment tape (D-VHS [HS/STD] : Measuring instrument and condition VCR set up condition STD part).
Page 57: Parts List
PARTS LIST 1. CABINET ASSEMBLY - 1 -...
Page 58 : Critical Component ITEM PARTS NO. PARTS NAME DESCRIPTION CABINET ASSEMBLY 968C050O04 TOP COVER ASSY 4 × 12 46LA005 669D221O40 SCREW 572D385O10 F/L SPRING 752C672O60 CASSETTE DOOR ASSY 701B416O40 FRONT UNIT 752C671O40 TIMER PANEL 701C081O40 JOG SHUTTLE ASSY 246C324O10 AC POWER CORD 3 ×...
Page 59: Packing Parts
2. PACKING PARTS ACCESSORY A ACCESSORY B How to pack product Pack with gloss side out. Fold the corners A A , B B , C C , and D D in order not including the AC POWER CORD. ACCESSORY - 3 -...
Page 60 ITEM PARTS NO. PARTS NAME DESCRIPTION PACKING PARTS 831D190O30 PACKING SHEET 800X800 803A570O10 CUSHION 802B797O20 PACKING CASE ACCESSORY 872C246O50 INSTRUCTION BOOK – – – – – – – REGISTRATION CARD 831D337O10 PACKING BAG (FOR ACCESSORY A) – – – – – – – ACCESSORY BOARD 939P755O40 REMOTE HAND UNIT...
Page 61 DECK ASSEMBLY...
Page 62 G-022 DECK ASSEMBLY N-012 DECK ASSEMBLY-1 N-011 A-022 B-025 N-013 B-010 G-072 G-201 G-075 G-201 G-067 B-015 A-025 G-201 G-072 M-037 G-074 C-011 G-091 G-201 C-010 H-051 G-012 A-026 H-011 H-012 G-079 H-031 A-023 H-021 M-033 M-012 M-025 G-071 M-033 M-022 G-049 S-011...
Page 63 DECK ASSEMBLY-1 ∗ ∗ Settled Service Parts Settled Service Parts ∗ ∗ ITEM PARTS NO. ADDRESS PARTS NAME DESCRIPTION Qt. ITEM PARTS NO. ADDRESS PARTS NAME DESCRIPTION Qt. 573D004O10 K B-7 D-8 ARM SPRING A-022 948B419O01 DRUM ASSY I-031 A-023 592B552O10 DRUM CLAMPER M-011 948B403O01...
Page 64 DECK ASSEMBLY DECK ASSEMBLY-2 G-101 M-031 G-093 M-014 G-201 G-088 G-060 G-031 G-212 G-214 G-018 G-056 G-043 G-215 G-057 G-025 G-061 G-017 G-096 G-035 G-081 A-029 G-211 A-028 G-216 G-066 G-044 G-034 G-019 G-094 G-201 A-029 G-042 A-028 M-034...
Page 65 DECK ASSEMBLY-2 ∗ Settled Service Parts ∗ ITEM PARTS NO. ADDRESS PARTS NAME DESCRIPTION Qt. A-028 621C810O10 A-5 H-7 SSW HOLDER A-029 622D837O10 A-4 H-6 SSW SLIDER G-017 948D089O01 K H-4 LOADING ARM ASSY (SP) SUPPLY G-018 948D090O01 K G-3 LOADING ARM ASSY (TU) TAKE UP G-019 622D916O10 K B-5 IDLER 2 UNIT...
Page 66: Electrical Parts
3. ELECTRICAL PARTS SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION INTEGRATED CIRCUITS Q2057 260P818O30 CHIP TRANSISTOR 2SC2412K-S Q2060 261P065O30 CHIP TRANSISTOR DTA124EKA IC2A0 270P785O10 IC HA118217NF Q2061 261P065O30 CHIP TRANSISTOR DTA124EKA IC2001 270P671O10 IC AN3360SB Q2062 261P067O30 CHIP TRANSISTOR DTC124EKA IC2002 270P671O10 IC AN3360SB...
Page 67 : Critical Components SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION D809 264P621O20 LIGHT EMITTING DIODE SEL2410E TP2 L2002 325C472O50 PEAKING COIL 100µH-J D810 264P621O20 LIGHT EMITTING DIODE SEL2410E TP2 L2003 325C472O50 PEAKING COIL 100µH-J D811 264P568O30 DIODE 1SS254 L2004 325C472O50 PEAKING COIL 100µH-J...
Page 68 : Critical Components SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION R2028 103P502O20 CHIP RESISTOR 1/16W 560Ω-J R2101 103P509O50 CHIP RESISTOR 0Ω(RM1608) R2029 103P501O50 CHIP RESISTOR 1/16W 150Ω-J R2102 103P501O50 CHIP RESISTOR 1/16W 150Ω-J R2030 103P501O30 CHIP RESISTOR 1/16W 100Ω-J R2031 103P502O70 CHIP RESISTOR 1/16W 1.5kΩ-J...
Page 69 : Critical Components SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION R5T5 103P504O30 CHIP RESISTOR 1/16W 33kΩ-J R3C9 103P493O50 CHIP METAL RESISTOR 1/16W 2.7kΩ-F R5T6 103P504O30 CHIP RESISTOR 1/16W 33kΩ-J R3G1 103P505O60 CHIP RESISTOR 1/16W 390kΩ-J R5Y0 103P503O70 CHIP RESISTOR 1/16W 10kΩ-J R5A1 103P504O00 CHIP RESISTOR...
Page 70 : Critical Components SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION C2D3 141P142O10 CHIP CAPACITOR B25V 0.01µF-K C2049 154P343O10 CHIP CAPACITOR CH50V 68pF-J C2D4 141P142O10 CHIP CAPACITOR B25V 0.01µF-K C2D6 154P340O50 CHIP CAPACITOR CH50V 4pF-C C2050 141P143O80 CHIP CAPACITOR F50V 0.01µF-Z C2051 141P143O80 CHIP CAPACITOR F50V 0.01µF-Z...
Page 71 : Critical Components SYMBOL PARTS SYMBOL PARTS PARTS NAME DESCRIPTION PARTS NAME DESCRIPTION C5E5 141P140O60 CHIP CAPACITOR B50V 560pF-K S811 432P203O30 KEY BOARD SWITCH D-VHS C5E6 141P143O30 CHIP CAPACITOR B16V 0.1µF-K S812 432P203O30 KEY BOARD SWITCH EJECT C5J9 141P143O90 CHIP CAPACITOR F50V 0.022µF-Z C5L0 141P142O90 CHIP CAPACITOR...
Page 72 SDRAM flash Q2017 Trans STD-L IC3802 16M bit IC5001 2SDRAM IC5003 STD-C STDREC IC5004 PCB-1394/D-VHS Q2011 STD-R Q2015 Video STD-R Heads D2001 SP(L) Q2017 REC2 Q2047 Q2060 R2150 EP(H) Q2023 R2058 Deck PCB-HEAD AMP HS-HD1100U BLOCK DIAGRAM (Digital Signal) (HD1100U02051)
Page 73 Luminance Record, Chroma Record HS-HD1100U (Analog Signal) VHF/UHF VHF/UHF OUTPUT INPUT TU01 Filter VIDEO-IN constant TUNER Q2A2 V-OUT J2A1 V-IN A-IN CONT CH-SW CLAMP Main Detail nonlinear emphancer emphasis emphasis CONV-A-OUT J801 FM MOD From IC3A0 F-V-IN IC2A0 Luminance/ Color Signal...
Page 74 Luminance Playback, Chroma Playback HS-HD1100U (Analog Signal) Q2A2 Video Heads Rotary Trans IC2A0 Deck Luminance / Color Signal Q2038,Q2044 SIMPLE Q2045,Q2055 Trap FM AGC G,EQ PCB- Q2056 HEAD DVHS2 DLIM 6H-L 2H-L DEMO 89 88 SUB LPF MAIN DEEMPH SQPB...
Page 75 Hi-Fi and Linear Sound HS-HD1100U (Analog Signal) IC3A0 Hi-Fi Sound and Linear Selector CONV-AUDIO (TU01 I2C-DATA (From IC5A0) J2A1 I2C-CLK R-ch A-OUT1-R Q2038,Q2046 R-OUT R-CHANNEL Q2057 DVHS2 OUTPUT (REAR) SELECT L-CHANNEL L-OUT L-ch FM LIM PB LPF L-ch A-OUT1-L NOISE...
Page 76 HEATER + V8A0 HEATER - Power,Timer,Mechanical Control Display -30V IC8A0 HS-HD1100U (Analog Signal) D990 D951 Q991,Q990 STBY3.3 (PCB-1394/D-VHS) D911 T901 PCB-MAIN Q985 CP-MOTOR-V D910 +30V D901 TU01 D927 MOTOR-V D908 D913 D912 AC 120V Q908 STBY5 D914 D909 RESET Switching...
Page 78 [ HIFI ] [ D-VHS(1/3) ] PCB-MAIN PCB-1394/D-VHS [ Y/C/A ] [ D-VHS(2/3) ] PCB-MAIN PCB-1394/D-VHS [ CONTROL ] [ D-VHS(3/3) ] REMOTE HAND UNIT PCB-MAIN [ TIMER ] PRINTED CIRCUIT BOARD PCB-OPE L PARTS LAYOUT PCB-OPE R PCB-JOG HS-HD1100U...
Page 79 Q9P4 R914 Q9P3 D917 D919 R913 C926 C915 R916 R952 Q907 D920 STBY5V L902 Q904 D907 R909 R974 R926 R927 R910 JP913 D921 R925 R912 C914 C927 C912 R972 PC901 L904 R973 C921 C936 Q909 R911 R915 IC901 PC902 HS-HD1100U...
Page 80 R2053 R2042 R2043 R2039 R2038 Q2015 C2054 R2101 R2047 R2054 Q2039 R2098 C2029 C2030 Q2018 C2056 Q2023 R2138 Q2057 Q2017 C2031 R2058 Q2020 R2090 Q2046 Q2042 C2055 R2092 Q2043 R2099 R2057 R2056 R2049 R2050 R2091 R2100 TPDREC IC2001,IC2002 AN3360SB HS-HD1100U...
Page 81 C3D9 R3B8 C3D7 Q3A4 C3B9 C3F6 R3B9 C3D8 R3C1 R3C9 C3E1 C3B8 C3F2 C3B7 R3C0 LIN-OUT C3B6 LIN-IN C3B5 C3E3 IC3A0 C3B2 C3A2 C3A3 C3A4 C3F3 C3A7 C3F4 R3A4 R3A5 R3A6 R3A7 F-A-IN-R R3A0 R3A1 F-A-IN-L R3A2 R3A3 IC3A0 HS-HD1100U...
Page 82 R367 C379 JP2A4 R2D0 Q2A7 R2A3 T350 Q352 R2D3 C350 C2C3 R2D1 R368 R357 Q354 C359 R2B7 Q2A2 C2C4 R358 C2E9 Q353 R2B9 IC2A0 #0 REC 0.85V(p-p)(H) IC2A0 !3 REC IC2A0 !8 PLAY IC2A0 !8 REC 1.2V(p-p)(H) 0.58V(p-p)(H) 0.5V(p-p)(H) HS-HD1100U...
Page 83 C5T5 R5B4 R5B3 R5B5 R5B6 TP5LC C5D3 D5D0 R5B0 R5B2 C5S6 IC5A0 R5A9 C5A6 C5A7 R5E5 C5B9 Q5A5 C5A0 HS-HD1100U IC5A4 R5A8 X5A1 C5S8 C5S9 C5B8 REMOTE HAND UNIT Q5B1 R5D4 R5L2 C5B7 C5A2 TP-RESET M34570M4-095FP R5L4 C5S2 C5T8 C5L0...
Page 84 SEG16/GRID7 KEY DATA MEMORY (4 5 6) GRID1 KEY 1 11 Bit 10~13 GRID SHIFT DRIVER REGISTER KEY 4 GRID6 4 Bit LATCH SW 1 4 Bit LATCH SW 4 14,38 7,43 LED 1 LED 4 (+5V) (0V) (–30V) HS-HD1100U...
Page 85 R5D03 C5D03 C5D08 Q5D01 R5D22 IC5D02 SN74ACT244NSR IC5D03 SN74LVTH541NSR FUNCTION TABLE FUNCTION TABLE INPUT OUTPUT INPUT OUTPUT : HIGH LEVEL : LOW LEVEL : HIGH LEVEL : IMMATERIAL : LOW LEVEL : HIGH IMPEDANCE : IMMATERIAL : HIGH IMPEDANCE HS-HD1100U...
Page 86 : HIGH LEVEL Don't Care : HIGH IMPEDANCE : LOW LEVEL : HIGH LEVEL : IMMATERIAL X : Immaterial : LOW LEVEL : HIGH IMPEDANCE : IMMATERIAL IN A : HIGH IMPEDANCE : LOW-to-HIGH TRANSITION : PREVIOUS STATUS IS OUTPUT HS-HD1100U...
Page 87 R7B13 R7B14 C7A56 R7B15 R7B16 R7B17 R7B18 C7A63 R7B19 R7B20 C7A62 R7B21 R7B22 C7A57 R7A68 C7A58 C7A59 C7A61 C7A60 R7B33 R7B35 R7B32 R7B34 R7B29 R7C20 R7B36 R7B37 R7B23 R7B38 R7C21 R7B39 R7B24 R7B27 R7B49 R7B41 R7B50 R7B42 R7B43 R7B44 HS-HD1100U...
Page 88 C5038 C5039 R5059 R5060 IC5005 SN74LVTH574PWR R5094 L5001 FUNCTION TABLE (each flip-flop) INPUTS OUTPUT C5091 C5092 C50A1 H or L : HIGH LEVEL : LOW LEVEL : IMMATERIAL : HIGH IMPEDANCE : LOW-to-HIGH TRANSITION : PREVIOUS STATUS IS OUTPUT HS-HD1100U...
Page 89 C38K3 IC3819 C3836 R38K1 C3826 C3834 C3835 C3829 TL27M TLA023 R3838 R3840 R3833 IC3814 C3899 C3830 R38K2 X3802 TLB091 TL3836 TP5011 TP5010 IC3818 SI-3033LSA-TL IC3819 NJU7018M IN(PTr) OUT1 OUT2 IN(MIC) Vout IN 1 IN 1 IN 2 IN 2 HS-HD1100U...
Page 90 PG5003 TLQ002 RY/BY FLASHIN HS-HD1100U...
Page 91 A – 2 PLAY PAUSE STOP J801 D823 A – 2 OPE-R OPE-L 216B04601 F-A-IN-L D824 A – 2 F-A-IN-R F-V-IN J801 B – 5 A – 4 L801 A – 6 A – 1 A – 2 A – 5 HS-HD1100U...
Page 92 B – 2 C7A29 A – 6 L7A33 A – 6 R38F4 B – 2 R5072 B – 2 R7A50 A – 5 R7B10 A – 4 R7B50 A – 5 R7B89 A – 5 RJ3804 B – 2 HS-HD1100U...

Mitsubishi HS-HD1100U Service Manual

Contents

Glossary of Abbreviations

Safety Precautions

Connection

Warning

Disassembly

How to Execute Circuit Board Service

Chip Parts Replacement

Specifications

How to Initialize the E 2 Prom

When Replacing Ic5A0

Electrical Adjustments

Mechanical Adjustment

Service Can be Executed with the Ee Picture Displayed

Deck Operation Check

Parts List

Quick Links

Need help?

Questions and answers

Related Manuals for Mitsubishi HS-HD1100U

Summary of Contents for Mitsubishi HS-HD1100U

Table of Contents