JVC AV-28F3SJ, Service Manual

Page: 3 / 23

(No.YA225)1-3
21-PIN EURO CONNECTOR (SCART) : EXT-1 / EXT-2 / EXT-3
(P-P= Peak to Peak, B-W= Blanking to white peak)
Pin No. Signal designation Matching value EXT-1 EXT-2 EXT-3
1 AUDIO R output
500mV(rms) (Nominal),
Low impedance
Used (TV OUT) Used (LINE OUT) Not used
2 AUDIO R input
500mV(rms) (Nominal),
High impedance
Used (R1) Used (R2) Used (R3)
3 AUDIO L output
500mV(rms) (Nominal),
Low impedance
Used (TV OUT) Used (LINE OUT) Not used
4 AUDIO GND --- Used Used Used
5 GND (B) --- Used Used Used
6 AUDIO L input
500mV(rms) (Nominal),
High impedance
Used (L1) Used (L2) Used (L3)
7 B input 700mV
(B-W)
, 75
Ω
Used Not used Not used
8 FUNCTION SW (SLOW SW)
Low : 0V-3V
High : 8V-12V, High impedance
Used Used Used
9 GND (G) --- Used Used Used
10 SCL / T-V LINK --- Not used
Used
(SCL / T-V LINK)
Not used
11 G input 700mV(B-W), 75
Ω
Used Not used Not used
12 SDA3 --- Not used Used Not used
13 GND (R) --- Used Used Used
14 GND (YS) --- Used Not used Not used
15 R / C input
R : 700mV
(B-W)
, 75
Ω
C : 300mV
(P-P)
, 75
Ω
Used (R) Used (C2 / R) Used (C3)
16 Ys input (FAST SW)
Low : 0V-0.4V, 75
Ω
High : 1V-3V, 75
Ω
Used Not used Not used
17 GND (VIDEO output) --- Used Used Used
18 GND (VIDEO input) --- Used Used Used
19 VIDEO output 1V
(P-P)
(Negative sync),75
Ω
Used (TV OUT) Used (LINE OUT) Not used
20 VIDEO / Y input 1V
(P-P)
(Negative sync), 75
Ω
Used Used Used
21 COMMON GND --- Used Used Used
20 18 16 14 12 10 8 6 4 2
21 19 17 15 13 11 9 7 5 3 1
[Pin assignment]