JVC HR-A5U(C) Service Manual

SERVICE MANUAL

VIDEO CASSETTE RECORDER

HR-A5U(C)

Regarding service information other than these sections, refer to the HR-VP59U service manual (No. 82833). Also, be sure to note important safety precautions provided in the service manual.

SPECIFICATIONS

GENERAL

Power requirement : AC 120 V`, 60 Hz Power consumption

Power on : 18 W Power off : 2.0 W

Temperature

Operating : 5°C to 40°C (41°F to 104°F)

Storage : –20°C to 60°C (–4°F to140°F) Operating position : Horizontal only Dimensions (W x H x D) : 360 mm x 94 mm x 247 mm

Weight : 3.0 kg (6.6 lbs) Format : VHS NTSC standard Maximum recording time

SP : 210 min. with ST-210 video cassette

EP : 630 min. with ST-210 video cassette

VIDEO/AUDIO

Signal system : NTSC-type color signal and EIA

Recording/Playback system

Signal-to-noise ratio : 45 dB Horizontal resolution : 230 lines Frequency range

Normal audio : 70 Hz to 10,000 Hz

Hi-Fi audio : 20 Hz to 20,000 Hz Input/Output : RCA connectors (IN x 1, OUT x 1)

(14-3/16" x 3-3/4" x 9-3/4")

monochrome signal, 525 lines/ 60 fields

: DA-4 (Double Azimuth) head helical

scan system

TUNER

Tuning system : Frequency-synthesized tuner Channel coverage

VHF : Channels 2–13 UHF : Channels 14–69 CATV : 113 Channels

RF output : Channel 3 or 4 (switchable; preset to

Channel 3 when shipped) 75 ohms, unbalanced

TIMER

Clock reference : Quartz Program capacity : 1-year programmable timer/

8 programs

Memory backup for timer is not supported.

ACCESSORIES

Provided accessories : RF cable (F-type),

Infrared remote control unit, “AA” battery x 2

Specifications shown are for SP mode unless specified otherwise. E. & O.E. Design and specifications subject to change without notice.

This service manual is printed on 100% recycled paper.

No. 82860

April 2001

DIFFERENT TABLE .................................................................................................................................................................. 1

4. CHARTS AND DIAGRAMS (4-1 to 4-5)

4.1 MAIN CIRCUIT BOARD ................................................................................................................................................ 4-2

4.2 MAIN (TUNER) SCHEMATIC DIAGRAM ...................................................................................................................... 4-4

5. PARTS LIST (5-1, 5-2)

5.1 MECHANISM ASSEMBLY <M4> .................................................................................................................................. 5-1

The following table indicate different parts number between models HR-VP59U and HR-A5U(C).

PACKING AND ACCESSORY ASSEMBLY <M1>

REF. MODEL

NO ITEM

301 PACKING CASE LP30836-001A LP30836-022A 302 CUSHION ASSY *LP30777-001B LP30777-001C 303 SHEET *LP30904-001A LP30904-002A

310 INST BOOK(EN) LPT0471-001A LPT0588-001A

316 WARRANTY CARD — BT-52004-1 317 REGIST.CARD BT-51020-2 — 319 SER.NET CARD — BT-20071B

INST BOOK(FR) — LPT0588-002A

FINAL ASSEMBLY <M2>

REF. MODEL

NO ITEM

501 FRONT PANEL ASSY LP10348-001A LP10348-014B 501A CASSETTE DOOR LP20977-001A LP20977-002C 501C DISPLAY WINDOW LP20976-001A LP20976-014A

508 STATOR ASSY *QAR0169-001 QAR0169-002

511 BOTTOM CHASSIS *LP10350-003B LP10350-003D

HR-VP59U HR-A5U(C)

MECHANISM ASSEMBLY <M4>

REF. MODEL

NO ITEM

25 PIN *LP40100-001A LP40100-002A 42 PINCH ROLLER ARM ASSY *LP40105-002A LP40105-003A 43 P.R.SHEET2/P.R.SHEET3 *LP40478-001A LP40753-001A 47 SLIT WASHER *LP30016-002A — 69 CONTROL PLATE *LP10201-003E LP10201-003G 91 SPACER,CAPSTAN MOTOR *— LP30002-097A

HR-VP59U HR-A5U(C)

MAIN BOARD ASSEMBLY <03>

REF. MODEL

NO ITEM

PW1 MAIN BOARD ASSY *LPA10130-01B1 LPA10130-01D1 Q2251 DIGI TRANSISTOR *DTA144WU — Q2252 DIGI TRANSISTOR *DTC114EU — R2251 MG RESISTOR *NRSA63J-222X NRSA63J-472X R2252 MG RESISTOR *NRSA63J-152X NRSA63J-332X R2254 MG RESISTOR *NRSA63J-102X — R6503 MG RESISTOR *— NRSA02J-153X R6504 MG RESISTOR *— NRSA02J-103X R7171 MG RESISTOR *NRSA02J-0R0X — R7172 MG RESISTOR *NRSA02J-0R0X — VR6502 B2201 MG RESISTOR *NRSA02J-0R0X — C5203 E CAPACITOR *QEMT1AM-687 QETN1AM-108 C5204 E CAPACITOR *QETN2AM-475 QETJ2AM-475 C5302 E CAPACITOR *QETN1HM-106 QEKC1EM-106 K2001 MG RESISTOR *NRSA63J-0R0X — K2002 MG RESISTOR *NRSA63J-0R0X — K2003 MG RESISTOR *NRSA63J-0R0X — K2004 MG RESISTOR *NRSA63J-0R0X —

TB1 TERMINAL BOARD *LP20978-001A LP20978-001B

TRIM RESISTOR *QVP0039-223Z —

HR-VP59U HR-A5U(C)

Notes : Mark — is not used.

Mark : * reference model was also changed.

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JVC HR-A5U(C) Service Manual

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