JVC HR-D158MS Service Manual

High Quality
refer to the provided in HR-D157MS service
jutions provided in the service manual.
SPECIFICATIONS
Format
: VHS standard
Horizontal resolu-
> More than 250 lines (PAL),
Recording system
: Rotary, two-head helical scan system
tion
More than 240 lines (NTSC/SECAM)
Video signal system
—: PAL and SECAM coiour and CCIR
with picture sharpness control at
monochrome signal, 625 lines
centre position
NTSC colour and E1A monochrome Audio
signal, 525 tines
Input
: AUDIO/VIDEO
(21-pin): -3,8 dBs
Tape width
12.65 mm
(CENELEC standard), more than
Tape speed
: 23.39 mm/sec {PAL/SECAM)
10 k-ohms unbalanced
33.35 mm/sec (NTSC)
AUDIO (DIN 5-pin}: -20 cBs
Playing time
+ 240 minutes with E-240 (PAL/SECAM)
more than 50 k-ohms unbalanced
Temperature
Output level
AUDIO/VIDEO
(21-pin}:
-3.8 dBs
Operating
25°C to a0"C
{CENELEC standard), AUDIO (DIN
Storage
1 +20°C te 60°C
5-pin}: -6 dBs, high impedance load
Channel coverage
umption
Power requirement
Video
Input
Output
Signal-to-noise ratio :
: 0.6 to 2.0 Vp-p, 75 ohms unbalanced
: 1.0 Vp-p, 75 ohms unbalanced
VHF band |, 47 — 111 MHz
VHF band-1H, 114 — 300 MHz
UHF band V/V, 470 — 862 MHz
Output impedance
Signai-to-noise ratio
Frequency range
UHE nels 32 — 40 {Adjustable} Timer
33 warts Dimensions
110 — 240 Vv, 50/60 Hz
Weight
Provided accessories
43 dB (PAL/SECAM), 45 dB (NTSC),
(Rohde & Schwarz noise meter) with
picture sharpness contro! at centre
position
: Less than 1 k-ohm, unbalanced
More than 40 d8
to 10,000 Hz
/4-programme timer
+ 435 mm(W)} x 95 mm{H) x
376 mm(D}
:72kg
: Aerial cable, Video cassette tape,
Infrared remote control unit,
"RG" battery x 2
Design and specifications subject to change without notice,
No. 8432
February 1986