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SERVICE MANUAL
COPYRIGHT © 2005 Victor Company of Japan, Limited
No.MB368
2005/5
COMPACT COMPONENT SYSTEM
MB368
2005
5
DX-T9,DX-T7,DX-T5
Lead free solder used in the board (material : Sn-Ag-Cu, melting point : 219 Centigrade)
TABLE OF CONTENTS
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-51
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-61
(CA-DXT5)
(SP-XST5)
(SP-XT5)
(SP-XT5)
(SP-XST5)
(CA-DXT7,CA-DXT9)
DX-T9, DX-T7
Area suffix
A
------------------------
Australia
US ------------------------ Singapore
UW
-----------
Brazil,Mexico,Peru
UX -------------------- Saudi Arabia
UG --- Turkey,South Africa,Egypt
UN ----------------------------- Asean
US ------------------------ Singapore
UW
-----------
Brazil,Mexico,Peru
UX -------------------- Saudi Arabia
UY
------------------------
Argentina
UG --- Turkey,South Africa,Egypt
UN ----------------------------- Asean
DX-T5
Area suffix
DX-T9
DX-T7
DX-T5
Main body
CA-DXT9
CA-DXT7
CA-DXT5
Front speaker
SP-XT9
SP-XT7
SP-XT5
Subwoofer
SP-WT9
SP-WT7
---
Surround speaker
SP-XST9
SP-XST7
SP-XST5
Center speaker
SP-XCT9
SP-XCT7
SP-XCT5


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1-2 (No.MB368)
SPECIFICATION
CA-DXT9
*1: Measured at 1 kHz, with tape recording signal 300 mV
Amplifier section
Output Power
FRONT SPEAKERS
150 W per channel, min. RMS, driven into 4
at 1 kHz
with no more than 10% total harmonic distortion.
CENTER SPEAKER
140 W per channel, min. RMS, driven into 6
at 1 kHz
with no more than 10% total harmonic distortion.
SURROUND SPEAKERS
140 W per channel, min. RMS, driven into 6
at 1 kHz
with no more than 10% total harmonic distortion.
SUBWOOFERS
150 W per channel, min. RMS, driven into 4
at 1 kHz
with no more than 10% total harmonic distortion.
Digital output
OPTICAL DIGITAL OUTPUT -21 dBm to -15 dBm (660 nm ±30 nm)
Audio input sensitivity/
Impedance*1
AUX
300 mV/47 k
MIC 1/2
3.0 mV/50 k
VIDEO OUT
Color system
NTSC/PAL selectable
VIDEO (composite)
1 V(p-p)/75
S-VIDEO
Y (luminance):1 V(p-p)/75
C (chrominance, burst):0.286 V(p-p)/75
COMPONENT (Interlace/Progressive)
(Y):1 V(p-p)/75
(PB/PR):0.7 V(p-p)/75
Speaker Terminals
4
- 16 (front speakers/subwoofers)
6
- 16 (surround/center speakers)
Tuner section
FM tuning range
87.50 MHz - 108.00 MHz
AM (MW) tuning range
531 kHz - 1 602 kHz (at 9 kHz)
530 kHz - 1 600 kHz (at 10 kHz)
Disc player section
Playable disc
DVD Video/DVD Audio/CD/VCD/SVCD
CD-R/CD-RW (recorded in Audio CD/Video CD/Super
Video CD formats and MP3/WMA/JPEG files)
DVD-R (recorded in DVD Video format)
DVD-RW (recorded in DVD Video format or DVD-VR
format)
DVD-RAM (recorded in DVD-VR format)
Dynamic range
80 dB
Horizontal resolution
500 lines
Wow and flutter
Immeasurable
Cassette deck section Frequency response Normal (type I)
50 Hz - 14 000 Hz
Wow and flutter
0.15% (WRMS)
General
Power requirement
AC 110 V / AC 127 V / AC 220 V / AC 230 V - AC 240
V , (adjustable with the voltage selector), 50 Hz / 60 Hz
Power consumption
335 W (at operation)
29 W (on standby)
Dimensions (W/H/D) (approx.)
185 mm
× 460 mm × 361 mm
Mass (approx.)
11.4 kg


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(No.MB368)1-3
CA-DXT7
*1: Measured at 1 kHz, with tape recording signal 300 mV
Amplifier section
Output Power
FRONT SPEAKERS
150 W per channel, min. RMS, driven into 4
at 1 kHz
with no more than 10% total harmonic distortion.
CENTER SPEAKER
50 W per channel, min. RMS, driven into 6
at 1 kHz
with no more than 10% total harmonic distortion.
SURROUND SPEAKERS
50 W per channel, min. RMS, driven into 6
at 1 kHz
with no more than 10% total harmonic distortion.
SUBWOOFERS
150 W per channel, min. RMS, driven into 4
at 1 kHz
with no more than 10% total harmonic distortion.
Digital output
OPTICAL DIGITAL OUTPUT -21 dBm to -15 dBm (660 nm ±30 nm)
Audio input sensitivity/
Impedance*1
AUX
300 mV/47 k
MIC 1/2
3.0 mV/50 k
VIDEO OUT
Color system
NTSC/PAL selectable
VIDEO (composite)
1 V(p-p)/75
S-VIDEO
Y (luminance):1 V(p-p)/75
C (chrominance, burst):0.286 V(p-p)/75
COMPONENT (Interlace/Progressive)
(Y):1 V(p-p)/75
(PB/PR):0.7 V(p-p)/75
Speaker Terminals
4
- 16 (front speakers/subwoofers)
6
- 16 (surround/center speakers)
Tuner section
FM tuning range
87.50 MHz - 108.00 MHz
AM (MW) tuning range
531 kHz - 1 602 kHz (at 9 kHz)
530 kHz - 1 600 kHz (at 10 kHz)
Disc player section
Playable disc
DVD Video/DVD Audio/CD/VCD/SVCD
CD-R/CD-RW (recorded in Audio CD/Video CD/Super
Video CD formats and MP3/WMA/JPEG files)
DVD-R (recorded in DVD Video format)
DVD-RW (recorded in DVD Video format or DVD-VR
format)
DVD-RAM (recorded in DVD-VR format)
Dynamic range
80 dB
Horizontal resolution
500 lines
Wow and flutter
Immeasurable
Cassette deck section Frequency response Normal (type l)
50 Hz - 14 000 Hz
Wow and flutter
0.15% (WRMS)
General
Power requirement
AC 110 V / AC 127 V / AC 220 V / AC 230 V - AC 240
V , (adjustable with the voltage selector), 50 Hz / 60 Hz
Power consumption
270 W (at operation)
25 W (on standby)
Dimensions (W/H/D) (approx.)
185 mm
× 460 mm × 361 mm
Mass (approx.)
11.4 kg


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1-4 (No.MB368)
DX-T5
*1: Measured at 1 kHz, with tape recording signal 300 mV
Amplifier section
Output Power
MAIN SPEAKERS
150 W per channel, min. RMS, driven into 4
at 1 kHz
with no more than 10% total harmonic distortion.
Digital output
OPTICAL DIGITAL OUTPUT -21 dBm to -15 dBm (660 nm ±30 nm)
Audio input sensitivity/
Impedance*1
AUX
300 mV/47 k
MIC 1/2
3.0 mV/50 k
VIDEO OUT
Color system
NTSC/PAL selectable
VIDEO (composite)
1 V(p-p)/75
S-VIDEO
Y (luminance):1 V(p-p)/75
C (chrominance, burst):0.286 V(p-p)/75
COMPONENT (Interlace/Progressive)
(Y):1 V(p-p)/75
(PB/PR):0.7 V(p-p)/75
Speaker Terminals
4
- 16 (Main speakers)
6
- 16 (Surround speakers)
Tuner section
FM tuning range
87.50 MHz - 108.00 MHz
AM (MW) tuning range
531 kHz - 1 710 kHz (at 9 kHz)
530 kHz - 1 710 kHz (at 10 kHz)
Disc player section
Playable disc
DVD Video/DVD Audio/CD/VCD/SVCD
CD-R/CD-RW (recorded in Audio CD/Video CD/Super
Video CD formats and MP3/WMA/JPEG files)
DVD-R (recorded in DVD Video format)
DVD-RW (recorded in DVD Video format or DVD-VR
format)
DVD-RAM (recorded in DVD-VR format)
Dynamic range
80 dB
Horizontal resolution
500 lines
Wow and flutter
Immeasurable
Cassette deck section Frequency response Normal (type I)
50 Hz - 14 000 Hz
Wow and flutter
0.15% (WRMS)
General
Power requirement
AC 110 V / AC 127 V / AC 220 V / AC 230 V - AC 240
V , (adjustable with the voltage selector), 50 Hz / 60 Hz
Power consumption
195 W (at operation)
20 W (on standby)
Dimensions (W/H/D) (approx.)
185 mm
× 460 mm × 361 mm
Mass (approx.)
10.9 kg


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(No.MB368)1-5
Speakers
Design and specifications are subject to change without notice.
Main Speakers
Type
3-Way 3-Speaker Bass Reflex (Magnetically-Shielded Type)
Speaker systems
Woofer
18 cm cone
× 1
Mid
5 cm cone
× 1
Tweeter 2 cm dome
× 1
Power handling capacity
150 W
Impedance
4
Frequency range
37 Hz - 31 000 Hz
Sound pressure level
85 dB/W·m
Dimensions (W/H/D) (approx.) 204 mm
× 460 mm × 271 mm
Mass (approx.)
4.6 kg each
Surround Speakers Speaker systems
8 cm cone
× 1
Power handling capacity
40 W
Impedance
16
Dimensions (W/H/D) (approx.) 105 mm
× 230 mm × 125 mm
Mass (approx.)
0.7 kg each