Jvc XVTHA 10 R Service Manual

Page 1

TH-A10R/TH-A10

TH-A10R/TH-A10

JVB

SERVICE MANUAL

DVD DIGITAL THEATER SYSTEM

TH-A1OR

SP-PWAIO

SP-XSA10

TH-A1O

RM-STHAIOFI

SP- XSA10

XV- THA10R

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Area Suffix Area Suffix
TH-A10R TH-A10
B --------------------- U.K. E ------ Continental Europe
EN - Northern Europe
EE ----------------- Russia
XV-THAIOFI (DVD pla er)/XV-TH-A1O
SP-PWA10 (Powered Subwoofer)
TH-A1OR _
TH-A1O SP THA10_ SP-XCA10 (Center speaker)
(Speaker sectIon) ,
SP-XSA10 (Satelllte Speaker) x 4
Contents
Safety Precautions ------------------------- 1-2 Flow of functional operation
v Important for laser products ------------- 1-3 until TOC read ------------ 1-24
Preventing static electricity -------------- 1-4 Maintenance of laser pickup ------------ 1-25
V'CTOR COMPANV OFMPANI LIMITED Disassembly method ---------------------- 1-5 Replacement of laser pickup ............ 1.25
OPTICAL Disc BUSINESS DIV. PERSONAL& MOBILE NETWORK BUSINESS UNIT Adjustment method ________________________ 1.21 Description Of major ICS __________________ 1-26
AV & MULTIMEDIA COMPANY 1644, Shimotsuruma, Yamato, Kanagawa 242-8514, Japan
No.20872 .Smgfapa COPYRIGHT (c) 2000 VICTOR COMPANY OF JAPAN, LTD. 3:62:33:

f

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TH-A1OR/TH-A1 0

Main Adjustment

Adjustment and confirmation matter
(1) Auto adjustment method

If microprocessor (IC401, lC402, lC714, lC716) or DVD Prek-up is replaced, initialize
the DVD player in the following matter:

1. Initialize the DVD player in the following matter:

1) Make sure that no disc is on the tray.

2) Insert the power pulag to the outret while pressing "PLAY" and "OPEN/CLOSE" button at the
same time.
FL Display indicate ¥; Region cord.

3) Press Enter button. And EEPROM initialize start.

4) When indicate "96kHz EEPROM" on the display , initialize finished.

Note : During the EEPROM initialization the keys may not be operated.
Press the "POWER" key to initiate the STAND-BY mode and the test mode will then
be cancelled.

(2) Confirmation of DVD RF level

1.The oscilloscope is connected between "1"(RFOP) of

CN104 and "2"(GND). P12 P1
and and
2.Reproduction of the test disc (VT-501) GND GND
made by JVC.

3.lt is confirmed that RF LEVEL is 350mVp-pi150mVp-p.

4.When there is disorder in the waveform road cuts etc,
test disk is exchanged and measured.

(3) Confirmation of CD jitter level and RF level

1.The CD jitter meter is connected between "11"(GND)
of CN104 and "12"(FLTOUT).
The RF level is observed at the same time.
2.The first test disk(CTS-1000) made of JVC is reproduced.

3.lt is confirmed that RF LEVEL is 360i100mVp-p.

5. When there is disorder in the waveform road cuts
etc, test disk is exchanged and measured.

DVD SERVO CONTROL PWB

FRONT SIDE

1-21

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TH-A1OR/TH-A10

(4) Flap adjustment of the Pick-up guide shaft

1) Make sure that there is no disc on the tray.

2) Press both the "PLAY" and OPEN/CLOSE" keys of the main unit to activate the primary
power and * * ¥( * * ;Version3, ¥; Region cord) will be displayed on the FL indicator.

Note: If the FL indicator display stops and remains at "TEST 0", unplug the power
cord from the outlet and after waiting at least 1 second, plug it in again. After
the tray open/close procedure has completed, unplug it again and then
perform the initialization procedure again.

3) Press the "OPEN/CLOSE" key of the main unit to draw the tray out.
*Place the test disk (VT-501) on the tray and then press the OPEN/CLOSE" key.
(Note: Pushing the tray to close it is not possible.)

4) Press the "PLAY" key of the main unit.
5) The "JIT 0000" is displayed on the FL indicator.

Set the FL indicator figure value to its minimum by adjusting the pickup guide shaft flap.
* The test mode is cancelled when the power is turned off.

1 ~22

Measurement Adjustment point Mode Disc

Fle reduction
- Refer to Fig.2 p VT-501

pa rt

Measurement machine connections Extension cord No. CN101 Of DVD Servo Control PWB

NO need Refer to Fig.1 QUQ110-3740AM

General tool : Hex-head wrench (1.27 mm)

Flap adjustment" of the Pick-up guide shaft adjusts
"Tangential adjustment machine screw" A and

"Tilt adjustment machine screw" B from the Extension Cord
DVD Mechanism A'ssy bottom.

DVD player

DVD Mechanism A'ssy

1.The part at the center on the DVD test disc is

reproduced. mm or';
2.The flap adjustment screws is turned alternately stand Connection pWB Stand 200mm
and adjusted like clearly seeing the waveform of

CN104"1" to the way.
Fig.1
Note
1.The tangential adjustment is done finish and,
then, tilt is adjusted.
2.The repeat the adjustment 2-3 times,for best
result.
3.The final adjustment should be tilt adjustment.

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TH-A1OR/TH-A1O

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Block No. E E E

Packing materials and accessories parts list

3-34