Read Panasonic CQ-JS7230TA Service Manual online
Pin
No.
Name
Description
I/O
Volt(V)
63 MLD
I/F command load
I
5
64 BLKCK
Subcode block clock
O
0
65 SQCK
External
clock
for
subcode
Q
register
I
5
66 SUBQ
Subcode Q data
O
3.8
67 DMUTE
Mute
I
0
68 STAT
Status
O
5
69 /RST
Reset
I
5
70 CSEL
(Connected to ground)
-
0
71 PMCK (NC)
-
-
-
72 SMCK (NC)
-
-
-
73 SUBC (NC)
-
-
-
74 SBCK (NC)
-
-
-
75 /CLDCK
(NC)
-
-
-
76 /TEST
(Connected to +5V)
-
5
77 X1
Crystal oscillator
-
0.4
78 X2
Crystal oscillator
-
3.2
79 VDD1
+5V power supply
-
5
80 VSS1
Ground
-
0
IC301 : MNS73260ACBL
Pin
No.
Name
Description
I/O Volt(
V)
1
VDD
+5V power supply
-
5
2
OSC2
Crystal oscillator
-
2.2
3
OSC1
Crystal oscillator
-
2.1
4
VSS
Ground
-
0
5
X1
(Connected to ground)
-
0
6
XO (NC)
-
-
-
7
CM
(Connected to ground)
-
0
8
VREFH
(Connected to +5V)
I
5
9
SW13
Horizontal origin switch
I
4.9
10
SW12
Shutter switch
I
4.9
11
SW11
Clump switch
I
0
12
SW10
Play switch
I
0
13
SW4
Shutter switch
I
4.9
14
SW3
Tray origin switch
I
0
15
SW2
Inner switch
I
4.8
16
SW1
Outer switch
I
4.9
17
VREFL
(Connected to ground)
-
0
18
/RESET
Reset
I
4.9
19
P06 (PSBT0)
(Ground pull-down)
-
0
20
SCKM
Serial data clock
I
5
21
SIM
CD changer serial data input
I
1.3
22
SOM
CD changer serial data output
O
4.3
23
SQCK
Serial data clock for DSP Q code
O
5
24
SUBQ
Serial data for DSP Q code
I
1.6
25
P00(SBO0)
(NC)
(NC)
-
-
-
26
P15(IRQ5/SE
NS)
NS)
(Ground pull-down)
-
0
27
CD.ON
CD changer start/stop
I
5
28
P13(IRQ3)
(NC)
(NC)
-
-
-
29
BLKCK
Subcode block clock
I
0
30
P.ON
Power ON control
I
5
31
MUTE
Mute
O
5
32
P27 (TCI4)
(Ground pull-down)
-
0
33
SENS
-
-
-
34
CLVS
-
-
-
35
FLOCK
-
-
-
36
TLOCK
-
-
-
37
VMI
Vertical motor drive
O
2.5
38
HMI
Horizontal motor drive
O
0
39
HVMUTE
Mute for Vertical/Horizontal motor
O
0
Pin
No.
Name
Description
I/O Volt(
V)
40
P37
(Ground pull-down)
-
0
41
P36
(Ground pull-down)
-
0
42
P35
(Ground pull-down)
-
0
43
SW9
Disc (B) detection
I
0
44
SW8
Disc (L) detection
I
0
45
SW7
Disc (F) detection
I
0
46
SW6
Disc-push detection
I
0
47
SW5
Tray height detection
I
4.5
48
BDO
Drop-out
I
0
49
DQSY (NC)
-
-
-
50
/RST
Reset
O
5
51
STAT
Status
I
2.1
52
DMUTE
Mute
O
0
53
XE (NC)
-
-
-
54
P.DOWN
Power control for clock re-generating O
0
55
P40 (NC)
-
-
-
56
MLD
Serial data latch for servo DSP
O
5
57
MDATA
Serial data for servo DSP
O
3.1
58
MCLK
Serial data clock for servo DSP
O
4.1
59
SPMT
Spindle motor shoot
O
5
60
MUTE12
Mute for tracking/focus coil
O
0
61
MUTE4
Mute for loading motor
O
4.8
62
LDOI
Loading motor drive
I/O
2.5
63
TRV
Forced traverse control
I/O
2.4
64
SYNC (NC)
-
-
-
11
CQ-JS7230TA
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