Specific Service Instructions - JVC LT-26DC1BH/AX Service Manual

2.1 FEATURES
DIGITAL TUNER
This TV can receive both DVB-C(Digital cable broadcasting) and
Analogue terrestrial broadcasting.
HDMI INPUT
By connecting a HDMI compatible device, high definition
pictures can be displayed on your TV in their digital form.
2.2 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
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
21 19 17 15
1-6 (No.YA693<Rev.001>)

SPECIFIC SERVICE INSTRUCTIONS

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)
14 12 10 8 6 4 2
13 11 9 7 5 3 1
SECTION 2
PICTURE MODE
This function can adjust the picture settings automatically.
There are BRIGHT, STANDARD, SOFT and MANUAL in the
PICTURE MODE.
ZOOM
This function can change the screen size according to the
picture aspect ratio.
HYPER SOUND
You can enjoy sounds with a wider ambience.
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
EXT-1 EXT-2
Used (LINE OUT)
Used (R2)
Used (LINE OUT)
Used
Used
Used (L2)
Not used
Used
Used
Used (SCL2)
Not used
Used (SDA2)
Used
Not used
Used (C2)
Not used
Used
Used
Used (LINE OUT)
Used
Used