Panasonic CQ-ET1260A Service Manual ▷ View online
7.2. Display Block
IC901 : YEAMPD32B015
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
LED1
Green LED selection
O
4.8
2
LED2
Red LED selection
O
4.8
3
LED3
LED brightness control
O
0
4
LED4 (NC)
-
-
-
5
VSS
Logic GND
-
0
6
VLC5
LCD driver power supply
-
0
7
VLC4
LCD driver power supply
-
1.4
8
VLC3
LCD driver power supply
-
2.8
9
VLC2
LCD driver power supply
-
2.8
10
VLC1
LCD driver power supply
-
4.2
11
VLCD
LCD driver DC Voltage
-
5.6
12
VDD
Logic Power Supply
-
4.9
13
SYNC
Sync (+5V pull-up)
-
4.9
14
LCD OFF
LCD off input
I
5.0
15
RESET
Reset input
I
5.0
16
KEY REQ (NC)
Key request
O
0
17
SCK
Shift clock input
I
0
18
DATA
Data input/output
I/O
4.9
19
STB
Strobe input
I
0
20
OSC IN
Oscillator signal input
I
2.4
21
OSC OUT
Oscillator signal output
O
2.4
22 -
25
KEY1 - KEY4
Key-in detection
I
2.6
26 -
33
SEG1/KS1 -
SEG8/KS8
SEG8/KS8
Both of segment outputs and
key scan outputs
key scan outputs
O
2.8
34 -
85
SEG9 - SEG60
Segment outputs
O
2.8
86 -
89
SEG61/COM14
-
SEG64/COM11
-
SEG64/COM11
Both of segment outputs and
common outputs
common outputs
O
2.8
90
SEG65/COM10
(NC)
(NC)
-
-
2.8
91,
92
COM9, COM8
(NC)
(NC)
-
-
2.9
93 -
100
COM7 - COM0
Common outputs
O
2.9
7.3. CD Deck Block
IC201 : MN662785TBUC
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
DVDD3
+5V power supply
-
3.6
2
D0
D-RAM data
I/O
2.0
3
D1
D-RAM data
I/O
2.0
4
NWE
D-RAM data write
O
3.0
5
NRAS
D-RAM row address strobe
O
3.2
6
D2
D-RAM data
I/O
2.1
7
D3
D-RAM data
I/O
1.9
8
NCAS0
D-RAM columun address strobe
O
2.8
9
NCAS1
D-RAM columun address strobe
O
1.4
10
A8
D-RAM address
O
1.0
11-14 A7-4
D-RAM address
O
1.1
15
A9
D-RAM address
O
1.1
16-18 A0-A2
D-RAM address
O
1.1
19
A3
D-RAM address
O
1.1
20
DVSS2
Ground
-
0
21
DVDD2
+5V power supply
-
3.6
22
SPOUT
Not used
-
1.5
23
TRVP
Traverse motor control
O
1.9
24
TRVM
Traverse motor control
O
1.9
25
TRP
Trackng coil drive
O
1.9
26
TRM
Trackng coil drive
O
1.9
27
FDP
Focus coil drive
O
2.0
28
FDM
Focus coil drive
O
2.0
29
FBAL
Focus balance
O
1.9
30
TBAL
Tracking balance
O
1.9
31
CSEL
(Connecting to VDD)
-
3.6
32
FE
Focus error
I
2.0
33
TE
Tracking error
I
1.9
34
RFENV
RF envelope
I
1.9
35
OFT
Off track signal
I
0
36
NRFDET
RF detecting signal
I
0
37
BDO
Drop-out signal
I
0
38
LDON
Laser on signal
O
3.6
39
ARF
RF signal
I
1.9
40
IREF
Reference current input
I
1.2
41
ADPVCC
(Connecting to ground)
-
0
42
DSLF
Loop filter for DSL
-
2.0
43
DRF
Loop filter for DSL
-
2.2
44
PLLF
Loop filter for PLL
-
1.3
45
VCOF
VCO filter
-
1.3
46
AVDD2
+5V power supply
-
3.6
47
AVSS2
Ground
-
0
48
OUTL
L channel output
O
1.8
49
AVSS1
Ground
-
0
50
OUTR
R channel output
O
1.8
51
AVDD1
+5V power supply
-
3.5
52
FSEL
(Connecting to P3V)
-
3.7
53,54 -
(Connecting to ground)
-
0
55
FLAG
Flag output
O
0
56
CLVS
Servo status signal
O
3.6
57-60 -
Not used
-
-
61
MCLK
Clock for I/F command
I
2.4
62
MDATA
Date for I/F command
I
1.9
63
MLD
I/F command load
I
3.5
64
BLKCK
Subcode block clock
O
0
65
SQCK
Ext.clock for sub. code-Q
I
3.5
66
SUBQ
Code for sub. code-Q
O
1.1
67
DMUTE
Mute input
I
0
68
STAT
Status signal
O
1.1
69
NRST
Reset input
I
3.6
70
SPPOL
Not used
-
-
71
PMCK
Clock output
O
2.0
72
SMCK
Clock output
O
1.9
73
SDATA
Serial data
O
0
74
LRCK
LR clock
O
0
75
BCLK
Bit clock
O
0
76
/TEST
(Connecting to VDD)
-
1.5
77
X1
Crystal oscillator
-
1.8
78
X2
Crystal oscillator
-
1.8
79
DVDD1
+5V power supply
-
3.6
9
CQ-ET1260A
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
80
DVSS1
Ground
-
0
IC301 : C2BBGF000364
Pin
No.
No.
Port
Descriptions
I/O
Vol
(V)
(V)
1
PS
Motor power save
O
3.5
2
BR
Brake mode selection
O
0
3
GCTL
Motor G-control
O
1.6
4
SPCCTL
Motor speed control
O
3.5
5
-
Not used
-
-
6
MCLK
Clock for I/F command
O
2.9
7
MDATA
Data for I/F command
O
1.9
8
MLD
I/F command load
O
3.5
9
VSS0
Ground
-
0
10
VDD0
+3V power supply
-
3.5
11
STAT
Status signal
I
1.2
12
FLOCK
Focus servo lock
O
0
13
TLOCK
Tracking servo lock
O
0
14
SENS
Servo status
O
0
15
SIM
CD changer serial data
I
3.1
16
SOM
CD changer serial data
O
2.2
17
SCKM
Serial data shift clock
I
3.2
18
SUBQ
Code for sub. code-Q
I
1.7
19
-
Not used
-
-
20
SQCK
Ext. clock for sub. code-Q
O
3.6
21
NRST
Reset output
O
3.6
22
DMUTE
Mute output
O
0
23
MUTE
Mute output
O
0
24
VDD1
+3V power supply
-
3.5
25
AVSS1
Ground
-
0
26
SW15
Feeder SW
I
3.6
27
SW3
Tray H SW
I
3.5
28
SW4
Disc push SW
I
0.5
29
SW5
Disc SW
I
0
30
SW6
Disc load SW
I
0
31
SW7
Eject SW
I
0
32
SW13
Eject2 SW
I
0
33
CLVS
Servo status
O
3.6
34
AVREF
+3V power supply
-
3.6
35
-
Not used
-
-
36
/RESET
Reset
I
3.6
37
XT2
Not used
-
-
38
XT1
(VDD pull-up)
-
3.6
39
IC(VPP)
(Connecting to ground)
-
0
40
X2
Crystal Osillator
-
2.1
41
X1
Crystal Osillator
-
1.8
42
VSS1
Ground
-
0
43
CDON
CD changer start/stop
I
3.1
44
BLKCK
Sub. code block clock
I
0
45
FG
Flag signal
I
1.9
46
BD0
Drop-out signal
I
0
47
FR
Revolution detection
I
0
48
TRV
Forced traverse control
O
1.9
49
PWM
Not used
-
-
50
VMI+
Horizontal motor control
O
0
51
VMI-
Horizontal motor control
O
0
52
MUTE1
Mute output
O
3.6
53
LODI+
Loading motor control
O
0
54
LODI-
Loading motor control
O
0
55
HMI+
Vertical motor control
O
0
56
HMI-
Vertical motor control
O
0
57
SW1
Inner SW
I
3.6
58
SW2
TrayG SW
I
0
59
SW8
Play SW
I
0
60
SW9
Clump SW
I
3.6
61
SW10
Shuter SW
I
3.6
62
SW11
Horizontal origin SW
I
3.6
63
SW12
Outer2 SW
I
3.7
64
SW14
Outer SW
I
3.6
10
CQ-ET1260A
8.1. Main Block
IC252, 352 YEAMBU4052VT
IC631 : YEAMLB1930MT
IC651 : C1EB00000001
8 IC BLOCK DIAGRAM
IC190 YEAMHA12181F
11
CQ-ET1260A
IC703 C0CBABC00138
IC701 C0DBZHZ00020
12
CQ-ET1260A
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