Specific Service Instructions - JVC AV-1406FE Service Manual

2.1 FEATURES
PICTURE MODE
This function can adjust the picture settings automatically.
There are BRIGHT, STANDARD and SOFT in the PICTURE
MODE.
RETURN +
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.
2.2 MAIN DIFFERENCE LIST
Item AV-1406FE
RF System PAL, SECAM
Broadcasting System B/G, I, D/K
OSD Language Eng, Rus, Ukr
Plug Type EU Type (2 Pins)
MAIN PWB SCG-1326A-H2
2.3 TECHNINAL INFORMATION
2.3.1 MAIN MI-COM (CPU) PIN FUNCTION
Pin
Pin name I/O
No.
1 REMOCON I Remote control
2 SDA2 I/O Data for Inter IC control (For main memory)
3 SCL2 O Clock for Inter IC contorl (For main memory)
4 BUS_FREE - Not used
5 NC - Not used
6 KEY1 I Key scan for front key (Menu CH -/+)
7 KEY2 I Key scan for front key (Vol -/+)
8 ECO IN - Not used
9 AFT I AFT voltage for tuner
10 LED[POW] - Not used
11 LED[TIM] O Liting for timer [Liting : H]
12 GND - GND
13 NC - Not used
14 NC - Not used
15 TV/V - Not used
16 TEXT RESET - Not used
17 ACL ON/OFF - Not used
18 VOL O Volume control
19 A_MUTE O Aodio muting [Muting : H]
20 NC - Not used
21 TEXT/OTH - Not used
1-4 (No.YA370)
SECTION 2

SPECIFIC SERVICE INSTRUCTIONS

AV-14146/N AV-14149/N
Eng
SCG-1327A-H2 SCG-1328A-H2
Function
CHILD LOCK
Use this function to prevent children from operating the TV
without parental consent.
VNR
This function can reduce the picture noise.
AV-14F16
Eng, Chi, Rus
SCG-1323A-H2
Pin
Pin name I/O
No.
22 PROTECT I Low B protect detection [Detect: H]
23 P_ON/OFF I Main power control [ON : H]
24 LOCK - Not used
25 3.58/OTH - Not used
26 4.5/OTH - Not used
27 H_SYNC I Horizontal sync
28 I/II - Not used
29 OSD_Ys O Ys (blanking) for OSD
30 OSD_B O Blue for OSD
31 OSD_G O Green for OSD
32 OSD_R O Red for OSD
33 NC - Not used
34 RST I CPU reset [Reset:L]
35 V_SYNC I Vertical sync
36 TCLOCK - Not used
37 SDA1 I/O Data for Inter IC control (For generally)
38 SCL1 O Clock for Inter IC contorl (For generally)
39 VDD I 3.3V
40 OSC1 I System clock oscillation (4MHz)
41 OSC2 O System clock oscillation (4MHz)
42 VSS - GND
AV-14FMG6/G AV-14FMG6/S
PAL, SECAM,
NTSC3.58/4.43
B/G, I, D/K, M
Eng, Ara, Per, Rus
UK Type (3 Pins)
SCG-1324A-H2 SCG-1325A-H2
Function