Specific Service Instructions - JVC LT-26A61BJ Service Manual

2.1 FEATURES
T-V LINK
When you have a T-V LINK compatible VCR connected to the
EXT-2 Terminal on the TV,it is easier to set up the VCR and to
view videos.
PICTURE MODE
This function can adjust the picture settings automatically.
2.2 MAIN DIFFERENCE LIST
Item LT-26A61BJ
PAINT COLOUR BLACK
LCD PANLEL UNIT QLD0408-001-JUK
MAIN PWB QAL0823-001
Item LT-32A61BJ
PAINT COLOUR BLACK
LCD PANLEL UNIT QLD0409-001-JUK
MAIN PWB QAL0825-001
2.3 21-PIN EURO CONNECTOR (SCART) : EXT-1 / EXT-2
Pin No. Signal designation
1 AUDIO R output
2 AUDIO R input
3 AUDIO L output
4 AUDIO GND
5 GND (B)
6 AUDIO L input
7 B input
8 FUNCTION SW
(SLOW SW)
9 GND (G)
10 SCL / T-V LINK
11 G input
12 SDA
13 GND (R)
14 GND (YS)
15 R / C input
16 Ys input (FAST SW)
17 GND (VIDEO output)
18 GND (VIDEO input)
19 VIDEO output
20 VIDEO / Y input
21 COMMON GND
(P-P= Peak to Peak, B-W= Blanking to white peak)
[Pin assignment]
20 18 16 14
21 19 17 15
SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

LT-26A61BU
BLACK
←
←
LT-32A61BU
BLACK
←
←
Matching value
500mV(rms) (Nominal), Low impedance
500mV(rms) (Nominal), High impedance
500mV(rms) (Nominal), Low impedance
500mV(rms) (Nominal), High impedance
700mV , 75Ω
(B-W)
Low : 0V-3V
High : 8V-12V, High impedance
700mV , 75Ω
(B-W)
R : 700mV , 75Ω
(B-W)
C : 300mV , 75Ω
(P-P)
Low : 0V-0.4V, High : 1V-3V, 75Ω
1V (Negative sync), 75Ω
(P-P)
1V (Negative sync), 75Ω
(P-P)
12 10 8 6 4 2
13 11 9 7 5 3 1
ZOOM
This function can change the screen size according to the
picture aspect ratio.
DIGITAL VNR
This function cuts down the amount of noise in the original
picture.
LT-26A61BU/C LT-26A61SJ
BLACK SILVER
←
QLD0370-002-JUK
←
QAL0822-001
LT-32A61BU/C LT-32A61SJ
BLACK SILVER
←
QLD0371-001-JUK
←
QAL0824-001
EXT-1
Used (TV OUT)
Used (R1)
Used (TV OUT)
Used
Used
Used (L1)
Used
Used
Used
Not used
Used
Not used
Used
Used
Used (R)
Used
Used
Used
Used (TV OUT)
Used
Used
LT-26A61SU LT-26A61SU/C
SILVER SILVER
←
QLD0408-001-JUK
←
QAL0823-001
LT-32A61SU LT-32A61SU/C
SILVER SILVER
←
QLD0409-001-JUK
←
QAL0825-001
EXT-2
Used (LINE OUT)
Used (R2)
Used (LINE OUT)
Used
Used
Used (L2)
Used
Used
Used
Used
(SCL2 / TV-LINK)
Used
Used (SDA2)
Used
Not used
Used (C2/R)
Used
Used
Used
Used (LINE OUT)
Used
Used
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