SERVICE MANUAL
No. 82883
July 2001
This service manual is printed on 100% recycled paper.
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
Regarding service information other than these sections, refer to the HR-S6850MS service manual (No. 82884).
Also, be sure to note important safety precautions provided in the service manual.
HR-S7855EE
VIDEO CASSETTE RECORDER
SPECIFICATIONS
TUNER/TIMER
TV channel storage capacity
: 99 positions (+AUX position)
Tuning system
: Frequency synthesized tuner
Channel coverage
: VHF 47 MHz 89 MHz/
104 MHz 300 MHz/
302 MHz 470 MHz
UHF 470 MHz 862 MHz
Aerial output
: UHF channels 22 69 (Adjustable)
Memory backup time
: Approx. 10 min.
ACCESSORIES
Provided accessories
: RF cable,
Infrared remote control unit,
"R6" battery x 2
Specifications shown are for SP mode unless otherwise specified.
E.& O.E. Design and specifications subject to change without notice.
GENERAL
Power requirement
: AC 220 V 240 V ` , 50 Hz/60 Hz
Power consumption
Power on
: 22 W
Power off
: 3.8 W
Temperature
Operating
: 5°C to 40°C
Storage
: 20°C to 60°C
Operating position
: Horizontal only
Dimensions (WxHxD)
: 400 mm x 94 mm x 278 mm
Weight
: 3.6 kg
Format
: S-VHS/VHS PAL standard
Maximum recording time
(SP)
: 240 min. with E-240 video cassette
(LP)
: 480 min. with E-240 video cassette
(EP)
: 720 min. with E-240 video cassette
VIDEO/AUDIO
Signal system
: PAL-type colour signal and CCIR
monochrome signal, 625 lines 50 fields
Recording system
: DA4 (Double Azimuth) head helical
scan system
Signal-to-noise ratio
: 45 dB
Horizontal resolution
(SP/LP)
: 250 lines (VHS)
400 lines (S-VHS)
(EP)
: 220 lines (VHS)
350 lines (S-VHS)
Frequency range
: 70 Hz to 10,000 Hz (Normal audio)
20 Hz to 20,000 Hz (Hi-Fi audio)
Input/Output
: 21-pin SCART connectors:
IN/OUT x 1, IN/DECODER x 1
RCA connectors:
VIDEO IN x 1, AUDIO IN x 1,
AUDIO OUT x 1
S-Video connector:
IN x 1
MODEL
HR-S6850MS
HR-S7855EE
ITEM
SECAM PLAY BACK
USED
NOT USED
BROADCASTING STANDARD
L.L,B/G
B/G,D/K
RF OUT CH
NOT USED
22-29CH
VPS(AUTO)
NOT USED
USED
FRONT PANEL window color
SMOKE LIGHT GRAY
GREEN
PACKING AND ACCESSORY ASSEMBLY <M1>
TABLE OF CONTENTS
DIFFERENT TABLE .................................................................................................................................................................. 1
4. CHARTS AND DIAGRAMS (4-1 to 4-3)
4.1
DEMODULATOR CIRCUIT BOARD ............................................................................................................................. 4-1
4.2
DEMODULATOR SCHEMATIC DIAGRAM ................................................................................................................... 4-2
5. PARTS LIST (5-1 to 5-10)
5.1
ELECTRICAL PARTS LIST ........................................................................................................................................... 5-1
MAIN BOARD ASSEMBLY <03> ..................................................................................................................................... 5-1
TERMINAL BOARD ASSEMBLY <06> ............................................................................................................................ 5-8
DEMOD BOARD ASSEMBLY <14> ............................................................................................................................... 5-10
!
REF.
MODEL
HR-S6850MS
HR-S7855EE
NO.
ITEM
312
RF CABLE
PEAC0300-02
PEAC0348-02
! 310
INST BOOK(FR)
LPT0493-001A
--
!
INST BOOK(RU)
--
LPT0599-001A
314
PERI CABLE
QAM0238-003
--
316
WARRANTY CARD
--
BT-54012-2
317
GUARANTY CARD
BT-54008-2
--
The following table indicate main different points between models HR-S6850MS and HR-S7855EE.
The following tables indicate different parts number between models HR-S6850MS and HR-S7855EE.
Notes : Mark -- is not used.
1
FINAL ASSEMBLY <M2>
!
REF.
MODEL
HR-S6850MS
HR-S7855EE
NO.
ITEM
! 501
FRONT PANEL ASSY
LP10333-027C
LP10333-047B
501A
CASSETTE DOOR
LP20961-007B
LP20961-018B
MAIN BOARD ASSEMBLY <03>
!
REF.
MODEL
HR-S6850MS
HR-S7855EE
NO.
ITEM
PW1
MAIN BOARD ASSY
LPA10140-09A
LPA10140-05B
TERMINAL BOARD ASSEMBLY <06>
!
REF.
MODEL
HR-S6850MS
HR-S7855EE
NO.
ITEM
PW1
TERMINAL BOARD ASSY
LPA10138-05A
LPA10138-04A
DEMOD BOARD ASSEMBLY <14>
!
REF.
MODEL
HR-S6850MS
HR-S7855EE
NO.
ITEM
PW1
DEMOD BOARD ASSY
LPA10094-05A
LPA10060-04A
Printed in Japan
VICTOR COMPANY OF JAPAN, LIMITED
VIDEO DIVISION
S40894