Panasonic CQ-C5405U Service Manual page 6

Pin Port Description
No
89 VDD +5V power supply
90 OSC FM/AM FM/AM local oscillation fre-
quency
91 N.C. Ground
92 FM/AM IFC FM/AM center frequency
input
93 N.C. Ground
94 EO FM/AM phase detection
error output
95 SUBPD Not connected
96 RDS DATA Not connected
97 SSC SD sensitivity control
98 AMP CNT Power supply control for
External amplifier
99 AF MUTE Audio signal mute
100 AMP MUTE Mute for Power amplifier
4.1.2. Display Block
IC906 : YESAM246
Pin No. Port
1 SEG1/P1 LED driver
2 NC No Connection
3 SEG3/P3 LED (Red) driver
4 SEG4/P4 LED (Green) driver
5 SEG5/P5 LED (Blue) driver
6-8 NC No Connection
9-70 SEG9-SEG70 LCD segment data
71-73 SEG71-73 LCD segment data
74 COM4 LCD common
75 COM3 LCD common
76 COM2 LCD common
77 COM1 LCD common
78-79 NC No Connection
80-83 KS3-6 Key scan
84-88 KI1-5 Key data
89 VDD +5V power supply
90 VLCD LCD driver power supply
91 VLCD1 VLCD1 filter terminal
92 VLCD2 VLCD2 filter terminal
93 VSS Ground
94 TEST (Connecting to ground)
95 OSC Oscillator terminal
96 /RES Reset
97 DO Key data output
98 CE LCD driver chip enable
99 CL LCD clock
100 DI LCD data
4.1.3. CD Servo Block
IC101 : YESAM383
Pin Port
No
1 P96 (A/D) Disc detection of CD deck
(SW1)
2 P95 (A/D) Reset switch detection of CD
deck
3 P94 (A/D) Laser diode monitor
4 P93 (A/D) GND
5 P92 (A/D) GND
6 P91 (A/D) GND
7 P90 (A/D) GND
I/O Vol [V]
FM AM
- 4.8 4.8
I 1.4 1.4
- 0 0
I 0 0
- 0 0
O 2.2 2.1
- - -
- - -
O 0 0
O 4.7 4.7
O 4.8 4.8
O 4.8 4.8
Description I/O
O
-
O
O
O
-
O
O
O
O
O
O
-
O
I
-
-
I
I
-
I
I/O
I
O
I
I
I
Description I/O
I
I
I
-
-
-
-
Pin Port
No
CD
8 P87/SRVMON1 Servo monitor 1 for OCD mod-
4.8
0
9 P86/SRVMON0 Servo monitor 0 for OCD mod-
0
10 P85 (A/D)
0
11 PB4 (A/D)
12 P84 (A/D)
0
13 DVSS3
0
14 SRAMVDD
- 15 REGOUT
- 16 REGVDD
0 17 REGON2
4.7
18 P83
4.8 19 P82
4.8 20 P81/BA1
21 P80/BA0
22 D2/P34
23 D1/P35
24 D0/P36
25 D3/P37
26 D4/P44
(V)
4.6
27 D5/P45
-
4.6
28 D6/P46
4.6
4.6
29 D7/P47
-
30 D15/P60
2.3
31 D14/P61
-
32 D13/P62
2.3
33 D12/P63
2.3
34 D11/P64
2.3
35 D10/P65
2.3
36 D9/P66
-
37 D8/P67
4.6
38 SDRCK
0
39 A11
4.6
40 A9
4.6
41 A8
3.1
42 A7
1.5
43 A6
0
44 A5
0
45 A4
3.4
46 NEW
4.6
47 NCAS
4.6
48 NRAS
0
49 A3
4.8
50 A2
4.7
51 A1
52 A0
53 A10
54 VSSIC/N.C.
55 IOVDD1
56 DVDD1
(V)
57 FVDD/N.C.
0
58 DVSS1
59 FREGON
3.2
60 SPOUT
2.1
0
61 SPPOL
0
62 TRVP
0
0
63 TRVM/P40
64 VPP/N.C.
6
Description
ule
ule
CD mute control
Not connected
Power-down detection
GND
Power supply for SRAM
Regulated power supply
3.3V power supply
Power control for internal regu-
lator
Not connected
Power control for OCD module
Not connected
GND
Not connected
Not connected
Not connected
GND
CD-mounting mode drive for
Sled motor (LD-MT)
CD-ejection mode drive for Sled
motor (LD-EJ)
Sled motor mode selection
(CNT)
CD servo mute (/RST)
GND
GND
GND
GND
GND
GND
GND
GND
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
GND
3.3V power supply
1.5V power supply
Connected with capacitor for
regulator
GND
Power control of internal regula-
tor
Spindle motor drive (ECS: Error
Correction of Servo)
Not connected
Traverse mode dive for Sled
motor
GND
Not connected
I/O (V)
O 0
O 0
O 0
- -
I 1.2
- 0
I 1.5
O 1.5
- 3.2
I 3.2
- -
O 3.2
- -
- 0
- -
- -
- -
- 0
O 0
O 0
O 3.2
O 3.2
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- 0
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- -
- 0
- 3.2
O 1.5
- 1.8
- 0
I 3.2
O 1.5
- -
O 1.6
- 0
- -