JVC UX-L36V, Service Manual

Page: 28 / 89

1-28
UX-L46V/UX-L36V
CD-ROM Controller
Remote
Control
Audio DAC
NTSC/PAL Video
Echo/Surround/Vocal Assist
Remote
receiver
Speakers
Television
VFD
Driver
VFD
Panel
Preamp
Volume Control
Mic 1
Mic 2
DRAM
ROM
CD ROM
Kit
Vista ES3880
(Video CD)
Preamp
Volume Control
DSC
PLL
Interrupt
Control
ES3883F (IC104) : VCD companion chip
2.Blockdiagram
3.Pin function
1.Pin function
1
30 ~
80
81
100
51
~
~
50
31
~
Symbol I/O Function
Pin No.
1,25:26,31,72,75,77,91,100
5,16,32,66,73,78,90
6
7
9
11
70
69
68
67
14
18
20
34
35
36
38
39
40
81,83,85,93,95,97,99,8
10
12
13
15
17
19
I
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
O
I
I
O
I
I
O
Ground.
Voltage supply 5v.
Clock programming to access internal registers.
Servo Foward or Control Pin.
Servo Reverse or Control Pin.
Servo LDON or Control Pin.
Servo CW/Limit or Control Pin.
Servo CCW/Close or Control Pin.
Servo Data or Control Pin.
Servo XLAT or Control Pin/VFD_DO.
Servo BRKM/Sense or Control Pin/VFD_DI.
Servo Mute/Open or Control Pin/VFD_CLK.
Servo SQS0 or Control Pin.
Servo SQCK or Control Pin.
3880 IRQ or Interrupt Output or Control Pin.
CD C2PO or Interrupt input or Control Pin.
Serial Interrupt/CD-Mute or Control Pin.
Servo SCOR(S0S1) or Interrupt Input or Control Pin.
Interrupt Input or Control Pin.
Data for programming to access Internal registers.
Strobe for programming to access Internal registers.
Dual-purpose pin DCLK is the MPEG decoder clock.
EXT_CLK is the external clock EXT_CLK is an input during bypass PLL mode.
Video reset(active-low).
Audio mute.
Audio master clock.
Dual-purpose pin TWS is the transmit audio frame sync.
SPLL_OUT is the select PLL output. VSS
VCC
DSC_C
AUX0
AUX1
AUX2
AUX3
AUX4
AUX5
AUX6
AUX7
AUX8
AUX9
AUX10
AUX11
AUX12
AUX13
AUX14
AUX15
DSC_D[7:0]
DSC_S
DCLK
EXT_CLK
RESET_B
MUTE
MCLK
TWS
SPLL_OUT