JVC XV-N50BK Service Manual page 38

XV-N50BK,XV-N55SL
4.10 UPD789074MC-026(IC701):System controller
• Pin layout
NTB 1
S/COMP 2
VPP 3
RESET 4
X2 5
X1 6
VSS 7
VDD 8
TCLOSE 9
TOPEN 10
AVCI 11
REMO 12
SWCLOSE 13
SWOPEN 14
RXD 15
• Pin function
Pin No. Symbol
1 NTB
2 S/COMP
3 VPP
4 RESET
5 X2
6 X1
7 VSS
8 VDD
9 TCLOSE
10 TOPEN
11 AVCI
12 REMO
13 SWCLOSE
14 SWOPEN
15 RXD
16 TXD
17 INTP
18 FLSTB
19 FLCLK
20 FLDOUT
21 FLDIN
22 MUTE
23 CPURST
24 P.ON/STANDB
25 AVCO
26 LMUTE
27 E/OTHER
28 GAINCONT
29 INT
30 PROG
1-38 (No.A0041)
30 PROG
29 INT
28 GAINCONT
27 E/OTHER
26 LMUTE
25 AVCO
24 P.ON/STANDB
23 CPURST
22 MUTE
21 FLDIN
20 FLDOUT
19 FLCLK
18 FLSTB
17 INTP
16 TXD
I/O
I COMP/RGB-Y/C or PAL-NTSC Change signal input terminal
I S(L)/COMPORNENT(H) output switching signal input
- The power supply for on board to writing
I Reset input (L:reset)
- Clock (5MHz)
- Clock (5MHz)
- Connect to ground
- Power supply terminal +3.3V
O PWM signal output for tray close
O PWM signal output for tray open
I AV Compulink control data input
I Remote control signal input
I Tray switch signal input 1 L:Full open L:Movement H:Full close
I Tray switch signal input 2 L:Full open H:Movement H:Full close
I Decoder serial communication data input
O Decoder serial communication data output
O Decoder serial communication interruption signal output
O FL Driver strobe output
O FL Driver clock output
I Data input from FL Driver
O Data output to FL Driver
O Audio muting output H:muting
O LSI Reset output L:reset
O Power ON output
O AV Compulink control data output
O Motor driver muting output H:mute
I Destination detection terminal Europe or Other
O Gain control signal
I INT/PROG Change signal input terminal H:Interlace
I INT/PROG Change signal input terminal H:Progressive
Description