Read Panasonic CQ-JS7230TA Service Manual online
7.2. Display Block
IC901 : YEAMLC75853NW
Pin No.
Name
Description
I/O
Volt(V)
1
(NC)
-
-
-
2
(NC)
-
-
-
3-40
S3-S40
LCD segment
O
2.7
41
COM1
LCD common
O
2.7
42
COM2
LCD common
O
2.7
43
COM3
LCD common
O
2.7
44-49
KS1-KS6 Key scan signal
O
5.3
50-54
KI1-KI5
Key-in detection
I
0
55
TEST
(Connected to ground)
-
0
56
VDD
+5V power supply
-
5.3
57
VDD1
LCD driver power supply
-
3.5
58
VDD2
LCD driver power supply
-
1.8
59
VSS
Ground
-
0
60
OSC
CR OSC
-
3.9
61
D0
LCD data output
O
5.2
62
CE
Chip enable
I
0.3
63
CL
LCD clock
I
0
64
DI
LCD data input
I
0
7.3. CD Deck Block
IC201 MN662783RPW
Pin
No.
Name
Description
I/O
Volt(V)
1
VDD
+5V power supply
-
5
2
D0
D-RAM data
I/O
2.3
3
D1
D-RAM data
I/O
1.8
4
/WE
D-RAM write enable
O
4.9
5
/RAS
D-RAM row address strobe
O
3.4
6
D2
D-RAM data
I/O
0.8
7
D3
D-RAM data
I/O
0
8
/CAS0
Column address strobe
O
3.9
9
/CAS1
Column address strobe
O
0
10 A8
D-RAM address
O
0.6
11 A7
D-RAM address
O
1.1
12 A6
D-RAM address
O
0.7
13 A5
D-RAM address
O
0
14 A4
D-RAM address
O
1.1
15 A9
D-RAM address
O
0.4
16 A0
D-RAM address
O
1
17 A1
D-RAM address
O
1
18 A2
D-RAM address
O
1
19 A3
D-RAM address
O
0
20 VSS2
Ground
-
0
21 VDD2
+5V power supply
-
5
22 PWMCK(N
C)
-
-
-
23 TRVSTP(N
C)
-
-
-
24 TVD
Traverse motor drive
O
2.5
25 PC (NC)
-
-
-
26 ESC
Spindle motor control
O
2.4
27 TRD
Tracking coil drive
O
2.5
28 FOD
Focus coil drive
O
2.4
29 FBAL
Focus balance
O
1.9
30 TBAL
Tracking balance
O
3
31 VREF
Reference voltage
I
2.5
32 FE
Focus error
I
2.5
33 TE
Tracking error
I
2.5
34 RFENV
RF envelope
I
2.5
35 OFT
Off-track
I
0
36 /RFDET
RF detection
I
0
37 BDO
Drop-out
I
0
38 LDON
Laser drive ON
O
4.5
39 ARF
RF signal
I
2.5
40 IREF
Reference current
I
1.2
41 DRF
Bias for DSL
I
2.4
42 DSLF
Loop filter terminal for DSL
I/O
2.5
43 DSLF2
Loop filter terminal for DSL
I/O
2.2
44 PLLF
Loop filter terminal for PLL
I/O
1.4
45 VCOF
-
-
-
46 AVDD2
+5V power supply
-
5
47 AVSS2
Ground
-
0
48 OUTL
Audio left channel
O
2.3
49 AVSS1
GND
-
0
50 OUTR
Audio right channel
O
2.3
51 AVDD1
+5V power supply
-
4.7
52 FSEL
(Connected to ground)
-
0
53 TMODE1
(Connected to ground)
-
0
54 TMODE2
(Connected to ground)
-
0
55 FLAG (NC)
-
-
-
56 FCLK (NC)
-
-
-
57 EXT0 (NC)
-
-
-
58 EXT1 (NC)
-
-
-
59 EXT2 (NC)
-
-
-
60 TX (NC)
-
-
-
61 MCLK
I/F command clock
I
1
62 MDATA
I/F command data
I
3.1
10
CQ-JS7230TA
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