Specific Service Instructions - JVC AV-28ED5BN Service Manual

2.1 FEATURES
3D CINEMA SOUND
You can enjoy sounds with a widerambience.
ZOOM
This function can change the screen size according to the
picture aspect ratio.
2.2 MAIN DIFFERENCE LIST
Items
CABINET COLOUR
2.3 21-PIN EURO CONNECTOR (SCRAT) : 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 SDA3
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)
1-4 (No.YA316)
SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

AV-28ED5BN
BLACK
Matching value
500mV(rms) (Nominal), Low impedance
500mV(rms) (Nominal), High impedance
500mV(rms) (Nominal), Low impedance
500mV(rms) (Nominal), High impedance
, 75 Ω
700mV
(B-W)
Low : 0V-3V, High : 8V-12V, High impedance
700mV(B-W), 75 Ω
, 75 Ω
R : 700mV
(B-W)
, 75 Ω
C : 300mV
(P-P)
Low : 0V-0.4V, 75 Ω
High : 1V-3V, 75 Ω
(Negative sync),75 Ω
1V
(P-P)
(Negative sync), 75 Ω
1V
(P-P)
[Pin assignment]
20 18 16 14
21 19 17 15 13 11
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.
COLOUR SYSTEM
If the picture is not clear or no colour appears, change the
current colour system to another colour system.
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
12 10 8 6 4 2
9 7 5 3 1
AV-28ED5SN
SILVER
EXT-1 EXT-2
Used (LINE OUT)
Used (R2)
Used (LINE OUT)
Used
Used
Used (L2)
Not used
Used
Used
Used (SCL / T-V LINK)
Not used
Used
Used
Not used
Used (C)
Not used
Used
Used
Used (LINE OUT)
Used
Used