JVC HR-XV1EK Service Manual

TABLE OF CONTENTS
Section Title Page Section Title Page
Important Safety Precautions
HOW TO IDENTIFY MODELS
INSTRUCTIONS
DISASSEMBLY INSTRUCTIONS
1. REMOVAL OF MECHANICAL PARTS AND P.C.BOARDS ..... 1-1
1-1 TOP CABINET AND FRONT CABINET ................... 1-1
1-2 FLAP .........................................................................1-1
1-3 DECK CD AND DVD PCB ........................................ 1-1
1-4 POWER PCB ............................................................1-2
1-5 VCR DECK ...............................................................1-2
1-6 VCR PCB ..................................................................1-2
2. REMOVAL OF VCR DECK PARTS................................1-3
2-1 TOP BRACKET.........................................................1-3
2-2 CASSETTE HOLDER ASS’Y .................................... 1-3
2-3 CASSETTE SIDE L/R ...............................................1-3
2-4 LINK UNIT ................................................................1-3
2-5 LINK LEVER / FLAP LEVER ....................................1-3
2-6 LOADING MOTOR / WORM.....................................1-4
2-7 TENSION ASS’Y ....................................................... 1-4
2-8 T BRAKE ARM / T BRAKE BAND.............................1-5
2-9
S REEL / T REEL / IDLER ARM ASS’Y / IDLER GEAR .... 1-5
2-10
CASSETTE OPENER / PINCH ROLLER BLOCK / P5 ARM ASS’Y. 1-6
2-11 A/C HEAD ...............................................................1-6
2-12 FE HEAD ................................................................1-6
2-13 CYLINDER UNIT ASS’Y ......................................... 1-6
2-14 CAPSTAN DD UNIT................................................ 1-7
2-15
MAIN CAM / PINCH ROLLER CAM / JOINT GEAR ... 1-7
2-16 LOADING GEAR S/T UNIT..................................... 1-7
2-17
CLUTCH ASS’Y / RING SPRING / CLUTCH LEVER / CLUTCH GEAR .. 1-8
2-18
CASSETTE GUIDE POST / INCLINED BASE S/T UNIT / P4 CAP.. 1-8
3.
REMOVAL AND INSTALLATION OF FLAT PACKAGE IC .. 1-9
REMOVAL .......................................................................1-9
INSTALLATION .............................................................1-10
KEY TO ABBREVIATIONS ............................................. 1-11
SERVICE MODE LIST.....................................................1-13
WHEN “N” IS ALWAYS BEING DISPLAYED ON THE TV MONITOR . 1-13
PARENTAL CONTROL - RATING LEVEL 4-DIGIT SECURITY CODE CANNCELLATION . 1-13
WHEN REPLACING EEPROM(MEMORY) IC ................1-14
PREVENTIVE CHECKS AND SERVICE INTERVALS .... 1-15
CONFIRMATION OF HOURS USED ..............................1-15
CLEANING ......................................................................1-15
SERVICING FIXTURES AND TOOLS............................. 1-16
MECHANISM ADJUSTMENT PARTS LOCATION GUIDE.. 1-16
MECHANICAL ADJUSTMENT ....................................... 1-17
TAPE REMOVAL METHOD AT NO POWER SUPPLY . 1-17
DISC REMOVAL METHOD AT NO POWER SUPPLY.. 1-17
1. CONFIRMATION AND ADJUSTMENT ........................1-17
1-1
CONFIRMATION AND ADJUSTMENT OF TENSION POST POSITION . 1-17
1-2 CONFIRMATION OF PLAYBACK TORQUE AND
BACK TENSION TORQUE DURING PLAYBACK ..1-17
1-3 CONFIRMATION OF VSR TORQUE...................... 1-17
1-4 CONFIRMATION OF REEL BRAKE TORQUE....... 1-18
2. CONFIRMATION AND ADJUSTMENT OF TAPE
RUNNING MECHANISM ......................................... 1-18
2-1 GUIDE ROLLER .....................................................1-18
2-2
CONFIRMATION AND ADJUSTMENT OF AUDIO/CONTROL HEAD .... 1-19
2-3
TAPE RUNNING ADJUSTMENT(X-VALUE ADJUSTMENT) ..... 1-19
ELECTRICAL ADJUSTMENT .........................................1-20
1. BASIC ADJUSMENT ................................................... 1-20
1-1 SWITCHING POINT ............................................... 1-20
The following table lists the differing points between models HR-XV1EK, HR-XV1EU-C, HR-XV1EU-S and HR-XV1EU-Y.
ELECTRICAL ADJUSTMENT PARTS LOCATION GUIDE .. 1-20
IC DESCRIPTION ............................................................1-21
SERVO TIMING CHART ................................................. 1-34
MECHANISM TIMING CHART ........................................1-35
TROUBLE SHOOTING GUIDE .......................................1-36
(VCR SECTION) ...........................................................1-36
(DVD SECTION) ...........................................................1-60
CHARTS AND DIAGRAMS
INTERCONNECTION DIAGRAM ................................... 2-1
READ CHANNEL SCHEMTAIC DIAGRAM .................... 2-3
DSP SCHEMATIC DIAGRAM......................................... 2-5
MPEG SCHEMATIC DIAGRAM .....................................2-7
MEMORY SCHEMATIC DIAGRAM ................................ 2-9
AUDIO/VIDEO SCHEMATIC DIAGRAM ...................... 2-11
SYSCON1 SCHEMATIC DIAGRAM .............................2-13
Y/C/AUDIO/HEAD AMP SCHEMATIC DIAGRAM ........ 2-15
MICOM SCHEMATIC DIAGRAM..................................2-17
TUNER\/JACK SCHEMATIC DIAGRAM ...................... 2-19
REGULATOR SCHEMATIC DIAGRAM........................2-21
DISPLAY SCHEMATIC DIARAM..................................2-23
HI-FI/DEMODULATOR SCHEMATIC DIAGRAM ......... 2-25
DVD IN/OUT SCHEMATIC DIAGRAM ......................... 2-27
SUB MICOM/OSD/VPS SCHEMATIC DIAGRAM ........ 2-29
POWER SCHEMATIC DIAGRAM ................................2-31
OPERATION SCHEMATIC DIAGRAM .........................2-33
PRINTED CIRCUIT BOARDS VCR(INSERTED PARTS) ...... 2-35
PRINTED CIRCUIT BOARDS VCR(CHIP MOUNTED PARTS) ... 2-37
PRINTED CIRCUIT BOARDS DVD .............................. 2-39
PRINTED CIRCUIT BOARDS POWER / OPERATION.. 2-41
WAVEFORMS ..............................................................2-42
DVD BLOCK DIAGRAM ...............................................2-45
Y/C/AUDIO/HEAD AMP BLOCK DIAGRAM ................. 2-47
MICOM BLOCK DIAGRAM........................................... 2-49
REGULATOR BLOCK DIAGRAM................................. 2-51
DISPLAY/OPERATION BLOCK DIAGRAM..................2-53
TUNER/JACK/HI-FI/21PIN/OSD BLOCK DIAGRAM....2-55
DVD IN/OUT BLOCK DIAGRAM .................................. 2-57
POWER BLOCK DIAGRAM .........................................2-59
SUB MICOM/OSD/VPS BLOCK DIAGRAM ................. 2-61
PARTS LIST
3.1 PACKING AND ACCESSORY ASSEMBLY<M1> ....... 3-1
3.2 FINAL ASSEMBLY<M2> ............................................. 3-2
3.3 MECHANISM ASSEMBLY<M4> ................................. 3-4
3.4 ELECTRICAL PARTS LIST ......................................... 3-7
POWER BOARD ASSEMBLY<01>................................. 3-7
VCR BOARD ASSEMBLY<03>........................................3-7
DVD BOARD ASSEMBLY<50>......................................3-13
OPERATION BOARD ASSEMBLY<28> ........................3-16
REFERENCE
GENERAL SPECIFICATIONS [HR-XV1EK] ...................4-1
GENERAL SPECIFICATIONS [HR-XV1EU-C] ...............4-7
Notes: Mark
is same as left.
MODEL
HR-XV1EK
ITEM
BROADCASTING STANDARD I B/G
POWER SOURCE 230~240V,50Hz 230V,50Hz
AUTO TUNER SETTING NOT USED USED
SCENE REPLAY NOT USED USED
GUIDE CH. SET USED NOT USED
DECODER(AV2) NOT USED USED
VPS NOT USED USED
CATV NOT USED USED
INSTRUCTION LANGUAGE ENGLISH EN, FR, GE, DU, GR GE, FR, IT, SP, PT GE, SW, NO, DA, FI
HR-XV1EU-C HR-XV1EU-S HR-XV1EU-Y

JVC HR-XV1EK Specifications

Power

AC voltage	230-240 V
frequency	50 Hz
operation power consumption	22 W
standby power consumption	5 W

Audio Characteristics

audio in jack level	500 mV, 50 kΩ
audio out jack level	500 mV, 1 kΩ
SCART-socket audio	500 mV, 50 kΩ
SCART-socket video	1 Vp-p, 75 Ω

DVD Specifications

DVD signal system	PAL
applicable disc types	DVD (12cm, 8cm), CD (12cm, 8cm)
DVD frequency response	4Hz - 22KHz
CD frequency response	4Hz - 20KHz

Weight and Dimensions

weight	4.5 kg
width	430 mm
height	99 mm
depth	310.5 mm