JVC HR-S8009UM Service Manual

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SERVICE MANUAL
VIDEO CASSETTE RECORDER
HR-S8009UM
Regarding service information other than these sections, refer to the service manual No. 82911 (HR-S5901U). Also, be sure to note important safety precautions provided in the service manual.
SPECIFICATIONS
Power requirement : AC 110 V – 220 Vd, 50 Hz/60 Hz Power consumption
Power on : 18 W Power off : 3.0 W
Temperature
Operating : 5°C to 40°C
Storage : –20°C to 60°C Operating position : Horizontal only Dimensions (W x H x D) : 435 mm x 94 mm x 247 mm Weight : 2.7 kg Format : S-VHS/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
VHS : 230 lines
S-VHS : 400 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)
monochrome signal, 525 lines/ 60 fields
: DA-4 (Double Azimuth) head helical
scan system
S-video connector (OUT x 1)
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2002 VICTOR COMPANY OF JAPAN, LTD
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
TIMER
Clock reference : Quartz Program capacity : 1-year programmable timer/
Memory backup time : Approx. 6 months
ACCESSORIES
Provided accessories : RF cable,
Specifications shown are for SP mode unless specified otherwise. E. & O.E. Design and specifications subject to change without notice.
Channel 3 when shipped) 75 ohms, unbalanced
8programs Estimated figure based on supplied
fresh battery; actual performance may differ.
Lithium battery CR2025, Infrared remote control unit, “AA” battery x 2, Conversion plug
S-video cable (4-pin)
HR-S8009UM V15S0
August 2002
No.82929
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TABLE OF CONTENTS

DIFFERENT TABLE .............................................................................................................................................................................................. 1 only
3 .ADJUSTMENT (3-1 only) ....................................................................................................................................................................
3-1 only
5. PARTS LIST (5-1 to 5-9)
5.1 PACKING AND ACCESSOR Y ASSEMBL Y <M1> .................................................................................................................................5-1
5.2 FINAL ASSEMBL Y <M2> ....................................................................................................................................................................... 5-2
5.3 ELECTRICAL PART LIST <M2> ............................................................................................................................................................ 5-4
MAIN BOARD ASSEMBLY<03>
The following table indicates main different points between models HR-S5901U and HR-S8009UM.
ITEM
CABINET COLOR BLACK PURE SILVER ADVANCED JOG USED NOT USED ILLUMI FUNCTION USED NOT USED FLYING ERASE HEAD USED NOT USED INSERT USED/BUTTON NOT USED AUDIO DUBBING USED/BUTTON NOT USED FRONT S JACK USED NOT USED REAR S, A/V JACK USED NOT USED VCR PLUS+ USED NOT USED REC LINK USED NOT USED CABLE BOX/DBS.BOX CONTROL BACK UP NOT USED USED
MODEL
HR-S5901U
USED NOT USED
HR-S8009UM
The following table indicates different parts number between models HR-S5901U and HR-S8009UM.
PACKING AND ACCESSOR Y ASSEMBLY<M1>
PACKING AND ACCESSORY ASSEMBLY<M1> is indicated on the parts list.
FINAL ASSEMBL Y<M2>
FINAL ASSEMBLY<M2> is indicated on the parts list.
MAIN BOARD ASSEMBLY<03>
REF
!
ITEM
NO.
PW1 MAIN BOARD ASSY LPA10155-02C1 LPA10155-05A1
MODEL
HR-S5901U HR-S8009UM
REAR S JACK BOARD ASSEMBLY <29>
REF
!
ITEM
NO.
PW5
REAR S JACK BOARD ASSY R928 MG RESISTOR NRSA02J-750X ----­R929 MG RESISTOR NRSA02J-750X ----­C915 MG RESISTOR NRSA02J-0R0X ----­J4 S JACK QND0077-001 QND0076-001
MODEL
HR-S5901U HR-S8009UM
LPA10155-01A5 LPA10155-02A5
FRONT S JACK BOARD ASSEMBLY <36>
!
REF
ITEM
NO.
FRONT S JACK BOARD ASSY
PW4
MODEL
HR-S5901U HR-S8009UM
LPA10155-01A4 -----
ADV.JOG/SW BOARD ASSEMBLY <38>
!
REF
ITEM
NO.
ADV.JOG/SW BOARD ASSY
PW6
MODEL
HR-S5901U HR-S8009UM
LPA10155-01A6 ----
R.PAUSE BOARD ASSEMBLY <99>
REF
!
NO.
PW2
Note: Mark
Mark — is not used.
ITEM
R.PAUSE BOARD ASSY LPA10155-02A2 ----
is same as left.
MODEL
HR-S5901U HR-S8009UM
1
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SECTION 3
ADJUSTMENT
The difference point(s) compared with the reference model are as follows.
Add

3.3 Electrical adjustment

3.3.4 SYSCON circuit

3.3.4.1 TIMER CLOCK

Signal (A) No signal Mode (B) EE Equipment (C) Frequency counter
Measuring point (D1) IC3001 pin 29 Short point (D2)
Adjustment part (F) C3018(Timer clock) Specified value (G)
(1) Connect the frequency counter to the measuring point
(D1).
(2) Connect the short wire between the short point (D2) and
GND.
(3) Connect the short wire between the short point (D3) and
GND in order to reset the microprocessor of the SYSCON.
(4) Adjust the adjustment part (F) so that the output frequency
becomes the specified value(G).
IC3001 pin 32
(D3) IC3001 pin 25
998.757±0.024 Hz
(1001.244±0.024µ sec)
3-1
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VICTOR COMPANY OF JAPAN, LIMITED
12,3-chome,Moriya-cho,Kanagawa-ku,Yokohama,Kanagawa-prefecture,221-8528,JapanHOME AV NETWORK BUSINESS UNIT.
Printed in Japan
0208 WPC
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