JVC KV-DV7, Руководство по обслуживанию

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KV-DV7
1-12
UPD780058GC-250 (IC701) : Micon
1. Pin layput
2. Pin function (1/2)
1 ~ 20
60 ~ 41
61 ~ 80 40 ~ 21
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
I/O
I
I
I
-
O
-
I
O
O
I
O
I
-
O
I
O
I
O
O
O
O
O
O
O
O
I
O
O
O
O
-
-
-
-
-
O
-
-
-
Function
Templature sensor
Non connect
Non connect
Audio ground
LCD control
DIgital out mute
Anarog reference voltage
Communication for JIG LCD or PC
Communication for JIG LCD or PC
Communication for JIG LCD or PC
J-BUS serial input
J-BUS serial output
J-BUS serial clock input
Power supply for J-BUS control
Communication for DVD mechanism
Communication for DVD mechanism
Communication for DVD mechanism
Communication for DVD mechanism
Communication for DVD mechanism
Communication for DVD mechanism
NTSC/PAL control (H:PAL L:NTSC)
E. volume serial clock output
E. volume data output
E. volume strobe output
Video mute output
Audio mute output
Audio mute input
LED output for slot
LED output for Real sonic or Remocon
LED output for CD/DVD
LED output for DVD
Non connect
Ground1
Non connect
Non connect
Non connect
Fan control
Non connect
Non connect
LCD chip select Symbol
TEMP
-
-
AVSS
LCDCONT
D_OUT_MUTE
AVREF1
LCDDI/RXDO
LCDDO/TXDO
LCDCL/ASCK
JBUS_SI
JBUS_SO
JBUS_SCK
JBB
ANT_FM
D_HOST
D_FM
SCK
RDY_FM
/HOST_RST
NTSC/PAL
E.VOL_SCK
E.VOL_DO
E.VOL_STB
V_MUTE
A_MUTE
D_MUTE
LED_DISCIN
LED_DSP
LED_CD/DVD
LED_DVD
EEPROM_DO
VSS1
EEPROM_DI
EEPROM_CLK
EEPROM_CONT
FANCONT
-
-
LCDCE
Description of major ICs