AV-14AT
No. 56090
1
BASIC CHASSIS
CG
SERVICE MANUAL
COLOUR TELEVISION
AV-14AT(AU)
AV-14AT
COPYRIGHT
© 2000 VICTOR COMPANY OF JAPAN, LTD.
No. 56090
Oct. 2000
HOW TO IDENTIFY MODEL
While referring to the illustration given below, identify model name on the rating label affixed to the rear cover.
This service manual mainly consists of the following items:
· The items which differ from those for the AV-14AT service manual.
· The initial value for each setting item.
For details other than those described in this manual, please refer to the following service manual.
Reference Service Manual: AV-14AT Service Manual (No. 56085, Oct. 2000)
Note: The page in parentheses shows the one for the AV-14AT service manual (No. 56085, Oct. 2000).
MODEL NO.
XXXXX XXXXXXX
XXXXXXX XXXXX
XXXXXX
XXXXX
XXX XXXXX XXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXXXXXXXX
XXXXXXXXXXXXXXX
SERIAL No.
XXXXXXXXX
XXXX XX XXXX
XXX XX XXXX
Identify model name
Basic model name
AV-14AT
AV-14AT-AU
AV-14AT
No. 56090
2
AV-14AT
AV-14AT(AU)
!
!
!
!
!
REF. NO.
PART NAME
DESCRIPTION
PART No.
PART No.
s EXPLODED VIEW PARTS LIST (Page 28)
!
13
QMP40D0-200J5
QMP2980-185J5
POWER CORD
or QMP40D0-200J3
!
15
LC20377-010B-H
LC20377-013B-H
RATING LABEL
s PRINTED WIRING BOARD PARTS LIST [MAIN PWB ASSY] (Page 30-)
--
SCG-1262A-H2
SCG-1263A-H2
MAIN PWB ASSY
IC1701
MN1873287JA1
MN1873287JB1
IC (MICROCOMPUTER)
IC1702
AT24C08-21P7EE
AT24C08-21PM
IC (MEMORY)
(Service)
s PACKING PARTS LIST (Page 34)
1
GG10056-031A-H
GG10056-032A-H
PACKING CASE
!
7
LCT0757-001A-H
LCT0733-001A-H
INST BOOK
!
8
LCT0758-001A-H
DIGEST MANUAL
--
BT-56001-2
WARRANTY CARD
--
BT-56002-2
SERVICE CENTER LIST
PARTS DIFFERENCE TABLE
The different parts between AV-14AT and AV-14AT(AU) are described below:
AV-14AT
No. 56090
3
SPECIFICATIONS (Page 2)
Item
Content
Dimensions (W
× H × D)
364mm
× 333.5mm × 374mm
Mass
9.3kg
TV RF System
B / G, I, D / K, K1
Colour System
TV Mode
PAL / SECAM
VIDEO Mode
PAL / SECAM / NTSC3.58 / NTSC4.43
Receiving Frequency VHF (VL)
46.25MHz ~ 168.25MHz
VHF (VH)
175.25MHz ~ 463.25MHz
UHF
471.25MHz ~ 863.25MHz
CATV
q Cable TVs of Mid (X-Z, S1-S10)
Super (S11-S20) & Hyper (S21-S41) bands receivable
Intermediate
VIF Carrier
38.0MHz
Frequency
31.5MHz (6.5MHz)
SIF Carrier
32.0MHz (6.0MHz)
32.5MHz (5.5MHz)
33.5MHz (4.5MHz)
Colour Sub Carrier Frequency
PAL (4.43MHz)
SECAM (4.40625MHz / 4.25MHz)
NTSC (3.58MHz / 4.43MHz)
Aerial Input Terminal
75
Unbalanced
Power Input
AC110 ~ 240V, 50/60Hz
Power Consumption
70W (Max.) / 47W (Avg.)
Picture Tube
Visible size : 34cm measured diagonally
High Voltage
22.5kV
± 1.5kV (at zero beam current)
Speaker
8cm Round type
Audio Output
3W (Monaural)
Input
Video
1Vp-p, 75
Audio
500mVrms (
-4dBs), High impedance
Output
Video
1Vp-p, 75
Audio
500mVrms (4dBs), Low impedance
Headphone Jack
Stereo mini jack (3.5ø)
Remote Control Unit
RM-C360-1H (Battery size : AA/R06/UM-3
× 2)
Design & specifications are subject to change without notice.
AV-14AT
No. 56090
4
SETTING OF SYSTEM CONSTANT SET (Page 7)
Table 1
USER SETTING VALUES (Page 7)
Table 2
SPECIFIC SERVICE INSTRUCTIONS
Setting item
Setting contents
Setting value
COLOUR
TRIPLE
BILINGUAL
NO
TUNER
MU
ECO SENSOR
NO
LANGUAGE
E/R/A/F
B/B SOUND
OFF
LOCK
180
COLOUR AUTO
NO
QSS
MINT
ALC
NO
TEXT RATE
20
AMP TUNER
NO
MULTI.
TRIPLE
PAL
YES
NO
MU
MA
YES
NO
E/R/A/F
E/A/F
E/A
E/F
ON
OFF
YES
10
20
...
230
250
240
YES
NO
MINT
MQSS
YES
NO
10
20
40
80
YES
NO
Setting item
Setting value
Setting item
Setting value
SUB POWER
ON
PICTURE MODE (VSM)
BRIGHT
CHANNEL POSITION
1 POSITION
VNR
OFF
OFF TIMER
OFF
LANGUAGE
ENGLISH
VOLUME
Appropriate sound volume
AUTO SHUTOFF
OFF
TV/VIDEO
TV
BLUE BACK
OFF
ON SCREEN DISPLAY
POSITION NUMBER DISPLAY
ON TIMER
PR1
0:00
COLOUR SYSTEM
AUTO PAL
CHILD LOCK
OFF
SOUND SYSTEM
B / G
Refer to OPERATING
INSTRUCTION
CHANNEL PRESET
AV-14AT
No. 56090
5
SERVICE ADJUSTMENTS
s Initial Setting Value
s IF CIRCUIT ADJUSTMENT -- Adjustment of DELAY POINT (Page 15)
s V/C (VIDEO/CHROMA) CIRCUIT ADJUSTMENT (Page 15)
[SUB MENU 2. V/C]
Colour system
Variable
Initial setting value
Setting item
range
PAL
SECAM
NTSC 3.58
NTSC 4.43
1. CUT OFF (R / G / B)
-128 ~ +127
-50
bb
b
2. DRIVE (R / B)
-64 ~ +63
0
bb
b
3. BRIGHT
-128 ~ +127
0
bb
b
4. CONT.
-64 ~ +63
0
bb
b
5. COLOUR (P / S / N3 / N4)
-64 ~ +63
0
bb
b
6. TINT (N3 / N4) TV / VIDEO
-64 ~ +63
0 /
+50 / 0
7. SECAM BL ADJUST
-32 ~ +31
0
bb
b
8. SHARP
TV / VIDEO
-32 ~ +31
-15 / +5
bb
b
: Do not adjust.
Variable
Initial setting
range
value
Setting (Adjustment) Item
DELAY POINT
(AGC TAKE-OVER)
0 ~ 127
45
Adjustment of SUB COLOUR-II (Page 18)
Adjustment of SUB TINT-II (Page 19)
Adjustment part
Description
5. COLOUR
PAL COLOUR
Value (A) in the figure: Set to +11V (W & G).
SECAM COLOUR
Value (A) in the figure: Set to +4V (W & G).
NTSC 3.58 COLOUR
Value (A) in the figure: Set to +7V (W & G).
Adjustment part
Description
6. TINT
NTSC 3.58 TINT
Value (B) in the figure: Set to +7V (W & Cy).