Zenith XBS344 Series, Service Manual

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SPECIFICATIONS
GENERAL
Power requirements AC 120V, 60 Hz
Power consumption 7
4
Dimensions (approx.) 430 X 97.5 X 360 mm (w x h x d)
(16.9 x 3.9 x 14.2 inches)
Mass (approx.) 7 kg (15.4 lbs)
Operating temperature 5°C to 35°C (41°F to 95°F)
Operating humidity 5 % to 90 %
Signal system NTSC
INPUTS
ANTENNA IN Antenna or CATV input, 75 ohms
VCR VIDEO IN 1 Vp-p 75 ohms, sync negative,
RCA jack x 1
VCR AUDIO IN -6.0 dBm more than 47 kohms,
RCA jack (L, R) x 1
FM ANTENNA IN FM antenna input, 300 ohms
AM ANTENNA IN AM antenna input, 300 ohms
DIGITAL AUDIO IN 5 V (p-p), 75
Ω
,
Optical connector x 1
OUTPUTS
VIDEO OUT 1 Vp-p 75 ohms, sync negative
S-VIDEO OUT (Y) 1.0 V (p-p), 75 ohms,
negative sync, Mini DIN 4-pin x 1
(C) 0.286 V (p-p) 75 ohms
COMPONENT VIDEO OUT (Y) 1.0 V (p-p), 75 ohms,
negative sync, RCA jack x 1
(PROGRESSIVE SCAN) (Pb)/(Pr) 0.7 V (p-p), 75 ohms,
RCA jack x 2
Audio output (analog audio) 1.1 Vrms (1 KHz, 0 dB), 330 ohms,
RCA jack (L, R) x 1
RF OUT Channel 3 or 4 (Switchable)
VCR SPECIFICATIONS
Head system Four head helical scan azimuth
system
Timer 12-hour display type with AM, PM
Tape speed SP: 33.35 mm/sec,
LP: 16.67 mm/sec, EP: 11.12 mm/sec
Tape width 12.7 mm
Maximum recording time SP: 2 HOURS (T-120), EP: 6
HOURS (T-120)/8 HOURS (T-160)
Rewind time About 150 seconds (T-120)
Antenna 75 ohms (VHF/UHF)
Channel coverage VHF: 2-13, UHF: 14-69,
CATV: 1-125
(4A, A-W, W+1 - W+84, A-5 - A-1)
Frequency range 20Hz to 20kHz
Signal-to-noise ratio More than 43dB
Dynamic range More than 85 dB
(AUDIO OUT jacks)
Channel separation More than 55 dB
(AUDIO OUT jacks)
DVD SPECIFICATIONS
Laser system Semiconductor laser,
wavelength 650 nm
Frequency response DVD (PCM 48 kHz): 8 Hz to 22 kHz,
CD: 8 Hz to 20 kHz
Signal-to-noise ratio More than
80
dB (AUDIO OUT jacks)
Harmonic distortion Less than 0.4%
Dynamic range More than 85 dB (AUDIO OUT jacks)
FM Tuner
Tuning Range 87.5 - 108 MHz
Intermediate Frequency 10.7 MHz
AM Tuner
Tuning Range 530 - 1,720 kHz
Intermediate Frequency 450 kHz
Amplifier
Stereo mode 35W + 35W
(8
Ω
at 1 kHz, THD 10 %)
Surround mode Front: 35W + 35W
(THD 10 %)
Center*: 35W
Surround*: 35W + 35W
(8at 1 kHz, THD 10 %)
Subwoofer*: 50W
(8at 30 Hz, THD 10 %)
*Depending on the sound mode set-
tings and the source, there may be
no sound output.
Inputs LINE 1, LINE 2, OPTICAL IN
Speakers
Satellite Speaker Passive Subwoofer
Type 2 Way 2 Speaker 1 Way 1 Speaker
Impedance 8
Ω
8
Ω
Frequency Response 110 - 40,000 Hz 45 - 1,500 Hz
Sound Pressure Level 83 dB/W (1m) 82 dB/W (1m)
Rated Input Power 50W 50 W
Max. Input Power 100 W 100 W
Net Dimensions (W x H x D) 100 x 147 x 127.5 mm 200 x 425 x 381 mm
(3.9 x 5.8 x 5.0 inches) (7.9 x 16.7 x 15 inches)
Net Weight 0.92 kg (2.0 lbs) 7.06kg (15.6 lbs)
FRONT VIEW (XBS344)