Jvc RX 9010 VBK Service Manual

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RX-9010VBK

JVB

SERVICE MANUAL

AUDIONIDEO CONTROL RECEIVER

RX-901 OVBK

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| I I I D I G I T A L
Contents
Safety precautions - 1 -2
Importance administering point on the safety - 1-3
Disassembly method - 1 -4
Adjustment method - 1 -1O
Self-diagnose function - 1 -11
Description of major ICs - 1-13~30

No.20940

COPYRIGHT $3 2001 VICTOR COMPANY OF JAPAN, LTD.
Apr. 2001

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RX-9010VBK

-Safety Precautions

1. This design of this product contains special hardware and many circuits and components specially for safety
purposes. For continued protection, no changes should be made to the original design unless authorized in
writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services
should be performed by qualified personnel only.

2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product
should not be made. Any design alterations or additions will void the manufacturers warranty and will further
relieve the manufacture of responsibility for personal injury or property damage resulting therefrom.

3. Many electrical and mechanical parts in the products have special safety»related characteristics. These
characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily
be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which
have these special safety characteristics are identified in the Parts List of Service Manual. Electrical
components having such features are identified by shading on the schematics and by (/i\) on the Parts List in
the Service Manual. The use of a substitute replacement which does not have the same safety characteristics
as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or
other hazards.

4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be
separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of
electric shock and fire hazard. When service is required, the original lead routing and dress should be
observed, and it should be confirmed that they have been returned to normal, after re-assembling.

5. Leakage currnet check (Electrical shock hazard testing)

After reassembling the product, always perform an isolation check on the exposed metal parts of the product

(antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the

product is safe to operate without danger of electrical shock.

Do not use a line isolation transformer during this check.

0 Plug the AC line cord directly into the AC outlet. Using a "Leakage Current Tester", measure the leakage
current from each exposed metal parts of the cabinet, particularly any exposed metal part having a return
path to the chassis, to a known good earth ground. Any leakage current must not exceed 0.5mA AC (r.m.s.).

0 Alternate check method
Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000 ohms per volt or more
sensitivity in the following manner. Connect a 1,500 Q10W resistor paralleled by a 0.15M F AC-type capacitor

between an exposed metal part and a known good earth ground. AC VOLTMETER
Measure the AC voltage across the resistor with the AC a (Having1000
voltmeter. ohms/volts, .. .
Move the resistor connection to eachexposed metal part, c mow sens""y)
particularly any exposed metal part having a return path to

the chassis, and meausre the AC voltage across the resistor. 015 AC TYPE

Now, reverse the plug in the AC outlet and repeat each -| Placemis
measurement. voltage measured Any must not exceed 0.75 V WV . :géfieeigosed
AC (r.m.s.). This corresponds to 0.5 mA AC (r.m.s.). 15009 10W metal part.
Good earth ground
- Warning A CAUTION
1.This equipment has been designed and manufactured to meet international safety standards. Burrs formed during molding may

2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained. be left over on some parts of the
3. Repairs must be made in accordance with the relevant safety standards.
4. It is essential that safety critical components are replaced by approved parts. such burrs in the case of

5. If mains voltage selector is provided, check setting for local voltage. preforming repair of this system.

chassis. Therefore, pay attention to

In regard with component parts appearing on the silk-screen printed side (parts side) of the PWB diagrams, the
parts that are printed over with black such as the resistor (-), diode (h) and ICP (Q) or identified by the "A"
mark nearby are critical for safety.

When replacing them, be sure to use the parts of the same type and rating as specified by the manufacturer.
(Except the JC version)

1-2

Page 82

Remote Control

® MAIN ROOM/SUB ROOM selector (15 7 17, 23, 24)
C2) MAIN ROOM ON/OFF button (18)
SUB ROOM ON/OFF button (24)
C3) Display window (17, 23, 27, 40, 49, 50, 58,65, 67, 68)
a. MAIN ROOM/SUB ROOM indicators
b. Remote control mode operation indicator
c. Signal transmission indicator
Lights up when transmitting the remote control signals.
Source selecting buttons (18, 25)
DVD, DVD MULTI, PHONO, CD, VCR l, VCR 2,
TAPE/MD, CDR, TV/DBS, VIDEO, FM/AM, USB AUDIO

ow; oNo:F mm

®

(s) ANALOG/DIGITAL INPUT button (32)
(63 SOUND button (20, 28, 4o, 43, 44, 46 7 49, 65)
® .3... C7) LEVEL +/LEVEL 7 buttons (20, 28, 40,43, 44, 47 7 49)
4 ® TEST button (40, 44)
(3 7? ® C9) SURROUND ON/OFF button (39, 40, 44)

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LINE DIRECT button (22)

SLEEP button (22)

Operating buttons for audio/video components (35, 65 7 70)

Omscreen operation buttons

MENU, SET, EXIT, A, V, <1, I> (50, 58, 67, 70)

DVD MENU button (67, 70)

AUDIO POWER buttons

STANDBY, ON (15 7 17,24)

AUDIO POWER buttons

TV/CATV/DBS POWER, VCR 1 POWER (67 7 70)

- 10 keys for selecting preset channels (36)

- 10 keys for adjusting sound
(20, 28, 36, 40, 41, 43 7 45, 47 7 49, 65)

- 10 keys for operating audio/video components
(65 7 70)

BASS BOOST button (21)

DSP MODE button (43, 44, 47, 48)

MIDNIGHT MODE button (21)

TV/CATV/DBS selector (67, 68)

DIMMER button (22)

VOLUME +/7 button (15, l6, 19, 25)

MUTING button (21, 26)

Q5) TEXT DISPLAY button (58)

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Page 127

I Using the DVD MULTI Playback Mode

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This receiver provides the DVD MULTI playback mode for reproducing the analog discrete output mode of the DVD
player Before playing back a DVD, refer also to the manual supplied for the DVD player.
I You can use On-screen Menu" for most of the main room operations. For details, see page SD.

The following operations are only possible while the receiver is ready for the main room operations, and are

only used for the main room source - DVD MULTI.

IMPORTANT:

Check to see it the proper indicator(s) and information appear on the

display on the front panel before/while using the buttons and controls.

For the main room operations:

The MAIN ROOM indicator is lit.

The source name for the sub-room is not lit on the display.

When using the remote control:

-Set MAIN ROOM/SUB ROOM selector to h
MAIN ROOM. (3

-Checl< to see if the following information

appear on the display window on the remote
control.

Buttons Indications
SOUND SOUND

After pressing SOUND, the following function are
assigned to the specific number buttons:

Buttons Indications
CENTER CTR
REAR-L REARL
REAR-R REARR

MAIN ROOM sue ROOM

CENTER":
To adjust the center speaker level.
REAR L:
To adjust the left rear speaker level.
REAR R:
To adjust the right rear speaker level.
2) Press CONTROL UP AIDOWN V
to adjust the selected speaker
output level (from -10 dB to +10 I V ll A

dB). -<§(>
3) Repeat 1) and 2) to adjust the other

speaker output levels.

CONTROL
DOWN UP

Notes:

- You cannot adjust the center tone level
- You cannot use the Midnight Mode for DVD MULTI playback mode

(see page 21).

- When using a pair of headphones, the sounds of front left and right

are outputted from the headphones.

flom the remote control:

1.

Activating the DV MULTI Playback Made

You can adjust the DVD MULTI playback mode while playing back

a DVD using the analog discrete output mode on the DVD player.
Once you have made adjustments, the receiver memorizes the
adjustments until you change them. You also need to set the DVD
player to the analog discrete output mode.

Before you start, remember...
- When the SUB ROOM and the SPEAKERS SUB ROOM

indicators are lit on the display, you cannot select DVD MULTI

as the main room source.

There is a time limit in doing the following steps. If the setting is
canceled before you finish, start from step 3 again.

To adjust the front speaker output balance and subwoofer output
level, see pages 27 and 28.

DVD um

0n the front panel:

1. Press DVD MULTI so that DVD
MULTI appears on the display.

Note:
When you select DVD MULTI" as the main room source to play,
the Surround /DSP modes are canceled temporarily, and the
SURROUND ON/OFF and DSP MODE buttons do not work.

2. Select the analog discrete output mode on the
DVD player, and start playing a DVD.
' Refer to the manual supplied with the DVD player.

I! you need to make any adjustment, go to the following
steps.

3. Adjust the speaker output levels. ALDEJYJESLT
1) Press LEVEL ADJUST repeatedly until

Press DVD MULTI so that DVD
MULTI appears on the display.

Note:

When you select "DVD MULTI" as the main room source to play,
the Surround/USP modes are canceled temporarily, and the
SURROUND ON/OFF and DSP MODE buttons do not work.

Select the analog discrete output mode on the
DVD player, and start playing a DVD.
' Refer to the manual supplied with the DVD player.

If you need to make any adjustment, go to the following
steps.

3.

4.

one of the following indications appears on
the display.

49

EN37749.HX79010VEK[J]l 49

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SOUND

Press SOUND.
The 10 keys are activated for adjusting the sound. %

Select the speaker you want to adjust.

' To select the center speaker level, press CENTER.

. To select the left rear peaker level, press REAR-L.
. To select the right rear speaker level, press REAR-R.

CENTER REAR L REAR-R

Press LEVEL + or LEVEL - to LEVEL.

adjust the speaker output levels (3

(from -10 dB to +10 dB). LEVEL:

' Each time you press the button, the Q
indication corresponding to the button selected in step 4
appears on the display window on the remote control.

Repeat steps 4 and 5 to adjust the other speaker
output levels.

01.2.15. 0:15FM