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No.51777B
Sept. 2001
AV28S2EKGR
AV28S2EKBL
AV28S2EIGR
1
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
AV28S2EKGR
AV28S2EKBL
AV28S2EIGR
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
JK
We have changed the production country for some parts. As a result, some parts No. have been
changed. Therefore, this service manual describes only these parts No..
For others, please use the service manual for AV28S2EKGR/AV28S2EKBL/AV28S2EIGR (No.51777,
Mar. 2001).
Supplement


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28S2EKGR-HU
#999
28S2EKBL-HU
#999
28S2EIGR-HU
#999
4
Printed in Japan
VP 0109
DP2051
DIFFERENCE LIST
USING PW BOARD (AV28S2EKGR/AV28S2EKBL)
(Page 32)
AV28S2EKGR / AV28S2EKBL
Model
PWB A'SSY
Before
After
Remark
MAIN PWB
SJK-1911A-U2
Not change
POWER & DEF PWB
SJK-2511A-U2
SJK-2511A-H3
Interchangeable
CRT SOCKET PWB
SJK-3511A-U2
SJK-3511A- H3
FRONT CONTROL PWB
SJK-8511A-U2
SJK-8511A- H3
SIDE CONTROL PWB
SJK-8551A-U2
SJK-8551A- H3
AV SEL. PWB
SJK0S911A-U2
SJK0S911A- H3
USING PW BOARD (AV28S2EIGR)
(Page 32)
AV28S2EIGR
Model
PWB A'SSY
Before
After
Remark
MAIN PWB
SJK-1711A-U2
Not change
POWER & DEF PWB
SJK-2511A-U2
SJK-2511A-H3
Interchangeable
CRT SOCKET PWB
SJK-3511A-U2
SJK-3511A- H3
FRONT CONTROL PWB
SJK-8511A-U2
SJK-8511A- H3
SIDE CONTROL PWB
SJK-8551A-U2
SJK-8551A- H3
AV SEL. PWB
SJK0S711A-U2
SJK0S711A- H3
EXPLODED VIEW PARTS LIST (Page 34)
Parts No.
AV28S2EKGR / AV28S2EKBL / AV28S2EIGR
!
!
!
!
Ref.
No.
Before
After
Parts Name
!
8
LC11009-001B-U
LC11009-001C-U
CONTROL BASE
9
CHFD125-08BD
CHFD125-11BD
FFC WIRE
!
11
LC11010-001A-U
LC11010-001B-U
AV BOARD
!
13
LC10856-001B-U
LC10856-001C-U
SIDE CONTROL BASE
VICTOR COMPANY OF JAPAN, LIMITED
HOME AV NETWORK BUSINESS UNIT
12, 3-chome, Moriya-cho, Kanagawa-ku, Yokohama, Kanagawa-prefecture, 221-8528, Japan


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No.51777
AV28S2EKGR / AV28S2EKBL
AV28S2EIGR / AV28S2EIBL
1
COPYRIGHT © 2001 VICTOR COMPANY OF JAPAN, LTD.
Mar. 2001
AV28S2EKGR / AV28S2EKBL
AV28S2EIGR / AV28S2EIBL
CONTENTS
! SPECIFICATIONS
2
! SAFETY PRECAUTIONS
4
! WARNING
4
! FEATURES
5
! MAIN DIFFERENCE PARTS LIST
5
! SPECIFIC SERVICE INSTRUCTIONS
6
! SERVICE ADJUSTMENTS
12
! PARTS LIST
31
OPERATING INSTRUCTIONS
1-1
STANDARD CIRCUIT DIAGRAM
2-1
SERVICE MANUAL
COLOUR TELEVISION
BASIC CHASSIS
JK


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No.51777
AV28S2EKGR / AV28S2EKBL
AV28S2EIGR / AV28S2EIBL
2
SPECIFICATIONS
Content
Item
AV28S2EKGR
AV28S2EKBL
AV28S2EIGR
AV28S2EIBL
Dimensions ( W×
×
×
×H×
×
×
×D )
800mm×500mm×496mm
Mass
41kg
TV RF System
CCIR ( I )
Colour System
PAL / NTSC (Only in EXT mode)
Stereo System
NICAM ( I )
Teletext System
FLOF (Fastext)
WST(Standard system)
Receiving Frequency
VHF
47MHz 470MHz
UHF
470MHz 862MHz
470MHz 862MHz
Intermediate Frequency
VIF Carrier
38.9MHz ( I )
SIF Carrier
32.9MHz (6.0MHz:I)
Colour Sub Carrier Freq.
PAL
4.43MHz
NTSC
3.58MHz / 4.43MHz
Power Input
AC 220V240V , 50Hz
Power Consumption
168W(Max) / 115W(Avg),
Aerial Input Term
75unbalanced, Coaxial
Picture Tube
Visible size : 66cm, Measured diagonally
High Voltage
30.0kV
(at zero beam current)
Speaker
20cm×4cm Oval type×2
Audio Output
7.5W + 7.5W
EXT-1/EXT-2/EXT-3
(Input / Output)
21-pin Euro connector
(SCART socket)
EXT-4 (Input)
Video
Audio(L/R)
S / Video
1Vp-p 75(RCA pin jack)
500mVrms(-4dBs), High Impedance (RCA pin jack)
Y :
1Vp-p POSITIVE (Negative sync Provided, when
terminated with 75)
C : 0.286Vp-p
(Burst signal, when terminated with 75)
AUDIO OUT (Variable)
01Vrms, Low Impedance
(RCA pin jack×2)
Headphone jack
Stereo mini jack (3.5mm )
Remote Control Unit
RM-C55 (AAA/R03 dry battery×2)
Design & specifications are subject to change without notice.
+1kV
-1.5kV


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No.51777
AV28S2EKGR / AV28S2EKBL
AV28S2EIGR / AV28S2EIBL
3
21-pin Euro connector (SCART socket) : EXT-1 / EXT-2 / EXT-3
(P-P= Peak to Peak, S-W= Sync tip to white peak, B-W= Blanking to white peak)
Pin
No.
Signal Designation
Matching Value
EXT-1
EXT-2
EXT-3
1
AUDIO R output
500mVrms(Nominal),
Low impedance
(TV OUT)
(LINE OUT)
NC
2
AUDIO R input
500mVrms(Nominal),
High impedance
3
AUDIO L output
500mVrms(Nominal),
Low impedance
(TV OUT)
(LINE OUT)
NC
4
AUDIO GND
5GND (B)
6
AUDIO L input
500mVrms(Nominal),
High impedance
7
B input
700mVB-W, 75
NC
NC
8
FUNCTON SW
(SLOW SW)
Low : 0-3V, High : 8-12V, High
impedance
9GND (G)
10
SCL3
NC
NC
11
G input
700mVB-W, 75
NC
NC
12
SDA3
NC
NC
13
GND (R)
14
GND (YS)
NC
NC
15
R / C input
R : 700mVB-W, 75
C : 300mVP-P, 75
(only R)
(only C)
(only C)
16
Ys input
Low : 0 - 0.4, High : 1 - 3V, 75
NC
NC
17
GND(VIDEO output)
18
GND(VIDEO input)
19
VIDEO output
1VP-P(Negative going sync), 75
(TV)
(LINE OUT)
NC
20
VIDEO / Y input
1VP-P(Negative going sync), 75
21
COMMON GND
[Pin assignment]