Specific Service Instructions - JVC AV-28KT1BUF/A Service Manual

2.1 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 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.52137)
SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

Matching Value
500mV(rms) (Nominal), Low impedance Used
500mV(rms) (Nominal), High impedance Used (R1)
500mV(rms) (Nominal), Low impedance Used
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500mV(rms) (Nominal), High impedance Used (L1)
700mV(B-W), 75 Ω
Low : 0V-3V, High : 8V-12V,
High impedance
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700mV(B-W), 75 Ω
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R : 700mV(B-W), 75 Ω
, 75 Ω
C : 300mV
(P-P)
Low : 0V-0.4V, 75 Ω
High : 1V-3V, 75 Ω
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(Negative sync), 75 Ω
1V
(P-P)
(Negative sync), 75 Ω
1V
(P-P)
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[Pin assignment]
20 18 16 14
21 19 17 15 13 11
Used
Used
Used
Used
Used
Not used
Used
Not used
Used
Used
Used (R)
Used
Used
Used
Used
Used
Used
12 10 8 6 4 2
9 7 5 3 1
EXT-1 EXT-2
Used
Used (R2)
Used
Used
Used
Used (L2)
Used
Used
Used
Used (SCL / TV-LINK)
Used
Not used
Used
Used
Used (C2/R)
Used
Used
Used
Used
Used
Used