Jvc THM 55 Service Manual

Page 1

JVC

SERVICE MANUAL

DVD DIGITAL THEATER SYSTEM

TH-M55

Area suffix
----- UISIA.
-- Canada
,,\ m
SP-THM55C SP-THM55F SP-THM55F SP-THM55F SP-THM55F
JVD If I; \
r) ,I O I
3 1:" E @ Q Q I
XV-THM55 SP-PWM55
D I G I T A I
y [flfigfi Dr]-
V I n E o" mum UNI) AVCOMP'J {INK Digital Direct Progressive Scan
TABLE OF CONTENTS
1 PRECAUTION ......................................................................... 1-3
2 SPECIFIC SERVICE INSTRUCTIONS . ................................................ 1-7
3 DISASSEMBLY ..................
4 ADJUSTMENT .......... . . . .
5 TROUBLESHOOTING ................................................................. 1-39

COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED No.MBO75
2003/11

Page 2

SPECIFICATION

Center unit

Audio section

Total Harmonic Distortion 0.02%
NOTE : This value is measured at System cord CONNECTOR for reference.
Audio input sensitivity/ Analog input AUDIO IN (VCR) 290 mV/47 kn
Impedance (at 1 kHz) Digital input DIGITAL IN (DBS) (OPTICAL) -21 dBm to -15 dBm (660 nm :30 nm)

Corresponding to Linear PCM, Dolby Digital, and DTS Digital Surround (with sampling Irequency - 32 kHz, 44.1 kHz, 48 kHz)

Video section

Color System NTSC

Horizontal Resolution 500 lines

Signal-to-Noise Ratio 64 dB

Video output level Composite 1.0 V(p-p)/75 £2
S-video-Y 1.0 V(p-p)/75 fl
S-video-C 0.286 V(p-p)/75 r2

Component-Y 1.0 V(p-p)/75 fl

Component-PB/PR 0.7 V(p-p)/75 £2

Video input sensitivity/ Composite 1.0 V(p-p)/75 fl

Impedance (VCR IN) S-video-Y 1.0 V(p-p)/75 £2
S-video-C 0.286 V(p-p)/75 :2

Tuner section

Tuning Range FM 87.5 MHz to 108.0 MHz
AM 530 kHZ to 1710 kHz

General

Power Requirements

AC 120 V, 60 HZ

Power Consumption

20 W (at operation), 1.0 W (in standby mode)

Dimensions (W X H x D)

400 mm x 85 mm X 386 mm (15-3/4 inches X 3-3/8 inches >< 15-1/14 inches)

MESS

4.6 kg (10.2 lbs)

Su bwoofer

Amplilier section

Front/Center/Surround

100 W per channel, RMS at 4 £2 at 1 kHz, with 10 /0 total harmonic distortion.

Subwoofer

120 W, RMS at 4 £2 at 100 Hz, with 10 % total harmonic distortion.

Speaker section

Speaker unit

16 cm (6-5/16 inches) Bass-reflex, Magnetically Shielded

Frequency Range

30 Hz to 200 Hz

General

Power Requirements

AC 120 V, 60 HZ

Power Consumption

150 W (at operation), 0 W (in standby mode)

Dimensions (W X H x D)

216 mm x 353 mm x 485 mm (8-9/16 inches X 13-15/16 inches x 19-1/8 inches)

Mass

12.0 kg (26.5 lbs)

Satellite Speaker

Speakers Wooler 10.0 cm (3-15/16 inches)

Tweeter 4.0 cm (1-5/8 inches) Bass-reflex, Magnetically Shielded
Power Handling Capacity 100 W
Impedance 4 £2

Frequency Range

65 Hz to 20 kHz

Dimensions (W X H x D)

140 mm x 228 mm x 167 mm (5-9/16 inches x 9 inches x 6-5/8 inches)

Mass 1.9 kg (4.2 lbs)
Center Speaker
Speakers Woofer 8.0 cm (3-3/16 inches) x 2
Tweeter 4.0 cm (1-5/8 inches) Bass-reflex, Magnetically Shielded
Power Handling Capacity 100 W
Impedance 4 Q

Frequency Range

65 Hz to 20 kHz

Dimensions (W x H x D)

326 mm X 119 mm x 164 mm (12-7/8 inches x 4-11/16 inches x 6-1/2 inches)

Mass

2.4 kg (5.3105)

Accessories

Remote control (1), Batteries (2),

FM antenna (1), AM loop antenna (1), Power cord (1), System cord (1), Composite video cord (1)

Speaker codes (1)

5m(16ft)

For satellite (front left/right) and center speakers (3)

10 m (32 m

For satellite speakers (surround left/right) (2) (The length of the above speaker cords are approximate.)

Design and specifications are subject to change without notice.

12 (N0.MB075)