Mitsubishi HS-U778 Specifications download pdf (Page 81)

HS-U778

Vin 2SW1Vin 1

321

BIAS

8765

GND Vout V NC

BUFFER

58KΩ

IC6001,IC6002 NJM2520M

Not Employed

IC6001

Q6002

R6022

Q6003

J6014

J6006

C6301

R6301

R6304

R6032R6031

Q6301

R6303

R6305

R6302

C6302

C6303

Q6306

Q6302

R6306

R6307

IC6003

R6308

J6015

R6313

R6023

R6310

R6015

R6311

R6312

R6309

R6122

C6005

R6006 R6004

R6003 R6001

R6002

R6016

C6304

Q6305

Q6303

R6026 R6025 R6029

TP2J

C6305

C6150

C6151

IC6005

Q6304

C6023

C6110

C6024

IC6301

CF6301

J6012

IC6002

R6040

C6030

C6031

R6039

C6028

C6029

R6086

R6087

L6009

C6032 C6034C6033 C6035

C6157

C6152

R6017

Q6005

L6300

R6314

C6040 C6041

IC6004

C6036 C6037

C6038

C6039

Q6010

Q6009

C6072

Q6011

J6003

L6008

R6042

R6041

L6150

R6115

R6118

J6004

R6010

R6011

R6056

R6110

R6111

C6158

R6024

R6126

R6112

R6113

C6116

R6013 R6012

J6005

C6117

Q6004

C6162

C6001

Q6006

C6002

R6018

R6019

R6020

R6021

C6066

Q6007

C6003

D6002

BIAS

Not Employed

1 2 ... 76 77 78 79 80 81 82 83 84

MITSUBISHI 1
CONTENTS 2
GLOSSARY OF ABBREVIATIONS 4
SAFETY PRECAUTIONS 5
PRECAUTIONS 6
CONNECTION 7
DISASSEMBLY 8
3. Removal of Bottom Panel 9
4. Removal of DECK ASSY 10
LOCATION OF PRINTED CIRCUIT 11
1. PCB-OPE 11
2. PCB-SIGNAL 11
3. PCB-MAIN 12
CHIP PARTS REPLACEMENT 13
1. DECK Cleaning 14
2. Replacement of Major Parts 15
2-3. BOTTOM ASSY 16
2-4. INSERT GUIDE (TU) 17
2-5. INSERT GUIDE (SP) 17
2-6. REC HOLDER, REC LEVER 18
REC SPRING 18
2-8. A/C HEAD UNIT 19
2-9. F/E HEAD 19
2-10.SENSOR COVER (TU) 20
2-11. SENSOR COVER (SP) 20
2-12.REV UNIT (TU) 21
REV UNIT (SP) 21
2-13.MODE POSITION UNIT 21
(Removal) 22
(Installation) 22
BRAKE ASSY 24
2-16.FC HOLDER, MOTOR HOLDER 25
LOADING WORM, LOADING MOTOR 25
ASSY, WORM WHEEL 25
2-18.F/L PLATE, DOOR ARM 26
2-19.BRAKE CAM PLATE 27
2-20.GUIDE LAMP 28
BRAKE LEVER, LB PIN 29
2-22.L/D LOCK LEVER 30
TENSION SPRING, TENS AXIS 31
HOLDER, REEL DISK (SP side) 31
2-26.BRAKE BELT (TU) 32
2-28.SHIFT LEVER 33
CHARGE ASSY 34
ARM ASSY (TU) 34
2-31.A/L LEVER 35
2-32.TAPE GUIDE ASSY (SP) 37
TAPE GUIDE ASSY (TU) 37
2-33.DRUM CLAMPER, DRUM ASSY 38
2-34.DRUM MOTOR STATOR, BRUSH 39
SPRING, SPACER, ROTOR CASE 39
END RING, BRUSH, UPPER DRUM 39
2-35.CAPSTAN MOTOR 40
2-36.IMPEDANCE UNIT (SP) 42
FLYWHEEL (SP) 42
2-37.SSW HOLDER, SSW SLIDER 42
3-2. Check and Adjustment 44
3-2-6. Tape Running Condition 46
3-2-7. Tape Running Condition 46
3-3. A/C HEAD Adjustment 47
3-4. Phase Adjustment 48
3-5. Tape wrinkle check 48
4. Servicing for Tape Jam 49
DECK OPERATION CHECK 50
ELECTRICAL ADJUSTMENTS 51
HOW TO INITIALIZE THE E 51
WHEN REPLACING IC5A0 51
PARTS LIST 53
2. PACKING PARTS 55
DECK ASSEMBLY 57
DECK ASSEMBLY-1 58
DECK ASSEMBLY-2 60
3. ELECTRICAL PARTS 62
PCB-SIGNAL 70
(U77802042) 71
PCB-MAIN 72
PCB-OPE 73
Q901 COLLECTOR 75
Not Employed 76
From 1 pin 77
From 3 pin 77
REMOTE HAND UNIT 79
IC8A0 µPD16312GB-3BS 80
IC6001,IC6002 NJM2520M 81
IC2000 JCP8013 83
PCB-SIGNAL [SOLDER SIDE] 84
PCB-SIGNAL [COMPONENT SIDE] 84

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Mitsubishi HS-U778 Specifications Page 81

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