JVC AV-29BD3 EK
General Information
Also Covers
JVC AV-29BD3 EN
JE Chassis
SAFETY PRECAUTIONS - See Matrix
FEATURES - See Matrix
MAIN DIFFERENCE PARTS LIST - See book-
marks section
SPECIFIC SERVICE INSTRUCTIONS
DISASSEMBLY PROCEDURE
REMOVING THE REAR COVER
1. Unplug the power cord
2. Remove the 12 screws marked “X” as shown
in the figure.
3. Withdraw the rear cover toward you.
REMOVING THE CHASSIS
• After removing the rear cover.
1. Slightly raise the both sides of the chassis by
hand and remove the two claws under the both
sides of the chassis from the front cabinet.
2. Withdraw the chassis backward. (If necessary,
take off the wire clamp, connectors etc.)
REMOVING THE AV TERMI. BOARD
• After removing the rear cover.
1. While raising the claw marked “A” remove the
top of the AV TERMI. Board slightly in the
direction of arrow “B” as shown in Fig. 1.
2. Remove the claws marked “C” under the AV
TERMI. Board remove the AV TERMI. Board in
the arrow direction marked “D” as shown in Fig. 2
REMOVING THE CONTROL BASE
1. While pushing down the claws marked “E”,
remove the CONTROL BASE in the arrow
direction “F” as shown in Fig. 3. (If necessary,
take off the wire clamp, connectors etc.)
REMOVING THE SPEAKER ADAPTER
• After removing the rear cover.
1. Remove the two screws marked “Z” as shown
in figure.
2. Follow the same steps when removing the
other hand speaker adapter.
REMOVING THE SPEAKER
• After removing the rear cover.
1. Remove the 4 screws marked “Y” as shown in
figure.
2. Follow the same steps when removing the
other hand speaker.
CHECKING THE PW BOARD
1. To check the back side of the PW Board.
1) Pull out the chassis. (Refer to REMOVING THE
CHASSIS).
2) Erect the chassis vertically so that you can
easily check the back side of the PW Board.
[CAUTION]
• When erecting the chassis, be careful so that
there will be no contacting with other PW
Board.
• Before turning on power, make sure that the
wire connector is properly connected.
WIRE CLAMPING AND CABLE TIES
1. Be sure to clamp the wire.
2. Never remove the cable tie used for tying the
wires together. Should it be inadvertently
removed, be sure to tie the wires with a new
cable tie
REPLACEMENT OF MEMORY ICs - See Matrix
SETTING VALUES OF SYSTEM CONSTANT
SET
Setting item
1. COUNTRY
Setting content
Setting item
2. INCH
Setting content
Setting value
AV-29BD3EN: EN (29")
AV-2SBD3EK: UK (29")
USER SETTING VALUES - See Matrix
SERVICE MENU SETTING ITEMS - See Matrix
BEFORE STARTING SERVICE ADJUSTMENTS
- See Matrix
BASIC OPERATION OF SERVICE MENU - See
Matrix
For B1 POWER SUPPLY CHECK, FOCUS, IF
CIRCUIT, and VSM PRESET ADJUSTMENTS -
See Matrix
VIDEO/CHROMA CIRCUIT ADJUSTMENT - See
Matrix
For Adjustments of WHITE BALANCE, SUB
BRIGHT, SUB CONT., SUB COLOUR I, SUB
TINT, BLACK OFFSET (SECAM) - See Matrix.
Item
Adjustment of SUB COLOUR II
Measuring instrument
Signal Generator
Oscilloscope
Remote Control Unit
Test point
TP-47B
TP-E
[CRT SOCKET PWB]
Adjustment part
5.COLOUR (PAL~NTSC)
Description
[Method of adjustment using measuring instru-
ment]
Adjustment part
PAL COLOUR
Description
(PAL COLOUR)
Recommended Safety Parts
Item
Part No.
Description
Matrix
Item
See Model
Vol
Safety Precautions ............................................................. JVC AV-28WFR1 EKS
Other Adjustments .................................................................... JVC AV-29TS2 EK
6
AV-29BD3EN
1
LC10079-001B-U
REAR COVER
3LC10093
-001B-U
CHASSIS BASE
5
LCT0133-001A-U
INST. BOOK
For ENG/GER/FRA/NED/ITA/ESP
6
LCT0134-001A-U
INST. BOOK
For FIN/NOR/DEN/SWE/POR
10
AEEMP001-185
POWER CORD
11
CM46618-A01-E
POWER CORD CLAMP
12
LC20076-001A-U
RATING LABEL
For ENG/GER/ITA
13LC20077-002A-U
RATING LABEL
For ENG/ESP
C1521
QFZ0152-4001
MPP CAP.
4000pF 1.5kVH
±
2.5%
C1522
QFZ0152-9501
MPP CAP.
9500pF 1.5kVH
±
2.5%
C1523QFP3
2GJ-223
PP CAP. 0.022
µ
F 400V
J
C1525
QFZ0119-684
MPP CAP.
0.68
µ
F
200V
±
3%
C1531
QFZ0119-154
MPP CAP.
0.15
µ
F
200V
±
3%
C1902
QCZ9086-472
C CAP.
4700pFAC400V
P
C1903QCZ9086-472
C CAP.
4700pFAC400V
P
C1904
QCZ9086-472
C CAP.
4700pFAC400V
P
C1992
QCZ9079-471
C CAP.
470pFAC250V
K
C1993
QCZ9079-332
C CAP.
3300pFAC250V
K
C8901
QFZ9040-474N
MF CAP. 0.47
µ
F AC275V
M
C8904
QFZ9040-473N
MF CAP. 0.047
µ
F
AC275V
M
CP1952
ICP-N50-Y
I.C.PROTECT
CP1953ICP-N50-Y
I.C.PROTECT
D1901
D3SBA60
DIODE BRIDGE
F8901
QMF51D2-3R15J1
FUSE
3. 15A
FR1551
QRZ9017-4R7
4.7
Ω
1/4W
J
FR1552
QRZ9021-1R0
1.0
Ω
1W
J
FR1553QRZ9021-1R0
1.0
Ω
1W
J
FR1954
QRZ9022-R82
0.82
Ω
1W
K
IC1902
TLP721F(D4-GR)
IC. (PH.COUPLER)
L01
CELD020-004J7
DEGAUSSING COIL
LF8901
CE42144-001J2
LINE FILTER
Q1521
BU2508AX
POWER TRANSISTOR
H OUT
R0403QRZ9017-470
F R
47
Ω
1/4W
J
R1466
QRJ146J-2R2X
C R
2.2
Ω
1/4W
J
R1585
QRA14CF-2941Y
MF R
2. 94k
Ω
1/4W
F
R1586
QRA14CF-1582Y
MF R
15.8k
Ω
1/4W
F
R1991
QRZ0057-825
C R
8.2M
Ω
1W
J
S8901
QSP4K21-C01
PUSH SWITCH
MAIN POWER
SK3001
CE42535-001J1
C.R.T.SOCKET
T1551
CETH019-00AJ1
H.V. TRANSF.
(SERVICE)
T1901
CETS083-001J7
SWITCH. TRANSF.
TH8901
CEKP010-001J2
W. P. THERMISTOR
V01
A68ESF002X011
ITC PICTURE TUBE(Inc. DY. PC, WED)
AV-29BD3EK Only
5
LCT0131-001A-U
INST. BOOK
10
AEEMP001-185A
POWER CORD
12
LC20075-002A-U
RATING LABEL
1. Receive a PAL full field colour bar signal
(75% white).
2. Select 2.V/C from the SERVICE MENU.
3. Select 7.COLOUR with the FUNCTION UP/
DOWN key.
4. Set the initial setting value for PAL COLOUR
with the FUNCTION - or + key.
5. Connect the oscilloscope between TP-47B
and TP-E
6. Adjust PAL COLOUR and bring the value of
(A) in the illustration to 0V (voltage differ-
ence between white and blue).
7. Press the MENU key and memorize the
setting value.
Adjustment part
SECAM COLOUR (AV-29BD3EN)
Description
(SECAM COLOUR)
1. Receive a SECAM full field colour bar signal
(75% white).
2. Set the initial setting value of SECAM
COLOUR with the FUNCTION
-/+ key.
3. Adjust SECAM COLOUR and bring the
value of (A) of the illustration to +5V (W~B).
4. Press the MENU key and memorize the
setting value.
Adjustment part
NTSC 3.58 COLOUR
Description
(NTSC 3.58 COLOUR)
1. Input a NTSC 3.58MHz COMPOSITE
VIDEO signal (full field colour bar with 75%
white) from the EXT terminal.
2. Set the initial setting value of NTSC 3.58
COLOUR with the FUNCTION
-/+ key.
3. Adjust NTSC 3.58 COLOUR and bring the
value of (A) of the illustration to 0V (W~B).
4. Press the MENU key and memorize the
setting value.
(NTSC 4.43 COLOUR)
1. When NTSC 3 58 is set, NTSC 4.43 will be
automatically set at the respective values.
The End
