JVC AV-21D116, Руководство по обслуживанию

Страница: 4 / 63

1-4 (No.YA396)
SECTION 2
SPECIFIC SERVICE INSTRUCTIONS
2.1 FEATURES
PICTURE MODE
This function can adjust the picture settings automatically.
There are BRIGHT, STANDARD and SOFT in the PICTURE
MODE.
This function can set a channel you frequently view to the
Return Channel and you can view that channel at any time with
one-touch.
CHILD LOCK
Use this function to prevent children from operating the TV
without parental consent.
VNR
This function can reduce the picture noise.
2.2 TECHNINAL INFORMATION
2.2.1 MAIN MI-COM (CPU) PIN FUNCTION
Pin
No.
Pin name I/O Function
Pin
No.
Pin name I/O Function
1 REMOCON I Remote control 22 PROTECT I Low B protect detection [Detect: H]
2 SDA2 I/O Data for Inter IC control (For main memory) 23 P_ON/OFF I Main power control [ON : H]
3 SCL2 O Clock for Inter IC contorl (For main memory) 24 LOCK - Not used
4 BUS_FREE - Not used 25 3.58/OTH - Not used
5 NC - Not used 26 4.5/OTH - Not used
6 KEY1 I Key scan for front key (Menu CH -/+) 27 H_SYNC I Horizontal sync
7 KEY2 I Key scan for front key (Vol -/+) 28 I/II - Not used
8 ECO IN - Not used 29 OSD_Ys O Ys (blanking) for OSD
9 AFT I AFT voltage for tuner 30 OSD_B O Blue for OSD
10 LED[POW] - Not used 31 OSD_G O Green for OSD
11 LED[TIM] O Liting for timer [Liting : H] 32 OSD_R O Red for OSD
12 GND - GND 33 NC - Not used
13 NC - Not used 34 RST I CPU reset [Reset:L]
14 NC - Not used 35 V_SYNC I Vertical sync
15 TV/V - Not used 36 TCLOCK - Not used
16 TEXT RESET - Not used 37 SDA1 I/O Data for Inter IC control (For generally)
17 ACL ON/OFF - Not used 38 SCL1 O Clock for Inter IC contorl (For generally)
18 VOL O Volume control 39 VDD I 3.3V
19 A_MUTE O Aodio muting [Muting : H] 40 OSC1 I System clock oscillation (4MHz)
20 NC - Not used 41 OSC2 O System clock oscillation (4MHz)
21 TEXT/OTH - Not used 42 VSS - GND