JVC MX-J200, Руководство по обслуживанию

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MX-J200
1-34
UPD78055GCA37 (IC251) : CD Changer control
Pin
No.
symbol I/O
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19~26
27~29
30~32
33
34
35
36
37
38
39
40
Pin
No.
Symbol
I/O
42
41
43
44
45
46
47
48~59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
DEMPH
DEMPHO
OS OFF
AVSS
MCS
MRDY
AVREF1
KCMND
MSTAT
I
I
I
I
KCLK
SUB
RST
SQCK
DMUTE
O
O
O
O
O
I
I
I
I
I
I
I
I
I
I
MREQ
VCDEMP
SRDATA
SRCLK
CAM0~7
1~3SSW
3~1MSW
VSS
DISC
SHIFT
MNT
MNT1
MNT2
VCORST
LMUP
Description
Mode control select
Deemphasis input
Deemphasis output
On screen display on/off
SUB Ready
AV reference
Connected to GND
SVC3 Status input input
SVC3 Serial data out put
Sub-code Q code output
SVC3 Serial clock input
Digital mute
Reset signal input (L : Reset)
Outside clock for sub-code Q resister input
Not used
Not used
Not used
Not used
CAM SW input
Sub tray SW input
Sub tray SW output
Connected to GND
Disk sensor
Test mode(Not used)
Test mode(Not used)
Test mode(Not used)
Test mode(Not used)
Not used
L CAM up
L CAM down
R CAM down
R CAM up
I
I
I
I
I
I
I
I
I
Description
LM DOWN
RM UP
RMDOWN
CHECK
CHECK1
CHECK2
CHECK3
connected to GND
I
O
O
O
I
I
O
O
O
Statues signal
Not used
Not used
BTL Driver mute
com command clock signal input
com command data input
com command lode signal input
Power supply (for X' tal Q oscillation circuit)
Out of X' tal oscillation circuit
Power ON/OFF
Input of 16.9344MHz X' tal oscillation circuit
connected to GND
Not used
Rest SW input
A/D converter power supply
Not used
Not used
Not used
Data select out
Not used
Not used
Not used
Not used
Digital GND
VC3 reset out
RESET
STAT
HREG
HRDY
DRMUTE
MCLK
MDATA
MLD
VDD
X2
X1
IC
XT2
REST
AVDD
AVREF
SSEL
P ON
IOSEL
PSEL
MSEL
2. Pin function
-
-
I
I
-
-
-
-
-
-
-
O
O
-
-
-
-
-
-
1. Terminal Layout
20 ~ 1
41 ~ 60
21
40
~
80
61
~