JVC AV28H20EUS Service Manual page 3

■ ■ ■ ■ 21-pin Euro connector (SCART socket) : EXT-1 / EXT-2 / EXT-3
(P-P= Peak to Peak, B-W= Blanking to white peak)
Pin
Signal Designation
No .
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 SCL3
11 G input
12 SDA3
13 GND (R)
14 GND (Y )
S
15 R / C input
16 Ys input
17 GND(VIDEO output)
18 GND(VIDEO input)
19 VIDEO output
20 VIDEO / Y input
21 COMMON GND
Matching Value
500mVrms(Nominal),
Low impedanc e
500mVrms(Nominal),
High impedance
500mVrms(Nominal),
Low impedanc e
500mVrms(Nominal),
High impedance
700mV , 75Ω
B-W
Low : 0-3V, High : 8-12V, High
impedanc e
700mV , 75Ω
B-W
R : 700mV , 75Ω
B-W
C : 300mV , 75Ω
P-P
Low : 0 - 0.4, High : 1 - 3V, 75Ω
1V (Negative going sync ), 75Ω
P-P
1V (Negative going sync ), 75Ω
P-P
[Pin assignment]
EXT-1
○
(TV OUT)
○
○
(TV OUT)
○
○
○
○
○
○
NC
○
NC
○
○
○
(only R)
○
○
○
○
(TV)
○
○
No.51945
AV32H20EUS
AV28H20EUS
AV28H20EUB
EXT-2 EXT-3
○
NC
(LINE OUT)
○ ○
○
NC
(LINE OUT)
○ ○
○ ○
○ ○
NC
○
○ ○
○ ○
NC
○
○ NC
NC
○
○ ○
NC NC
○
○
(only C)
NC NC
○ ○
○ ○
○
NC
(LINE OUT)
○ ○
○ ○
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