Description Of Major Ics - JVC VS-DT2000 Service Manual

Description of major ICs

MN101C35DKB (IC811) : FL driver microcomputer
1. Terminal layout
100 76
1
75
25 51
26 50
2. Pin function
Pin No. Symbol
1 NC
2 FLDATA
3 FLCLK
4 NC
5 FLCS
6,7 NC
8 B5V
9 OSC2
10 OSC1
11,12 GND
13 NC
14 23 GND
24 VREF
25 NC
26 FLRST
27 30 NCV70
31 REMCON_HO
32 NCV70
33 38 GND
39,40 NCV70
41 KEYLEDH
42 KEYLEDV
43 KEYDIMMER
44 46 NC
47 G1
48 60 G2 G14
61 G15
62 64
65 99 S1 S35
100 -VPP
BA15218F (IC102) : Dual operational amplifier
1. Terminal layout & Block diagram
OUT1 1
IN1- 2
1
IN1+ 3
2
VEE 4
I/O
- Not connect
I/O FL driver communication data input/output
I FL driver communication clock input
- Not connect
I FL driver communication chip select input
- Not connect
- VDD(B5V)
O 8MHz main clock output
I 8MHz main clock input
- Ground
- Not connect
- Ground
- Reference voltage
- Not connect
I FL reset input
- Not connect
O Switching signal for receiver part of remote controller
- Not connect
- Ground
- Not connect
- Not use
- Not use
- Not use
- Not connect
- Not connect
O Grid signal outputs
- Not connect
- Not connect
O Segment signal outputs
- VPP
8 Vcc
7 OUT2
6 IN2-
5 IN2+
Function
VS-DT2000
1-23