Panasonic CQ-C9701N, Service Manual

Page: 19 / 77

Pin
No.
Port Description I/O (V)
48 FLASH
OE/LCD RD FLASH output enable/LCD driver
lead strobing output O 3.2
49 LCD WR LCD driver write strobing signal
output O 3.2
50 FLASH WE FLASH write enable signal output O 3.2
51 NC No Connection - -
52 MD2 Mode setting I 0
53 MD1 Mode setting I 0
54 MD0 Mode setting I 0
55 INITX System RESET signal input I 3.2
56 VCC Positive power supply - 3.3
57 X1 MAIN system clock output
(12.5MHz) O 1.5
58 X0 MAIN system clock input
(12.5MHz) I 1.2
59 VSS Ground - 0
60 X0A Ground I 0
61 X1A No Connection - -
62 NC No Connection - -
63 FLASH
WP/ACC FLASH write-
protection/Acseraration output O -
64 LCD RESET LCD driver reset control output O -
65 FLASH
RESET FLASH reset control output O -
66 A21 FLASH A20 O -
67 NC No Connection - -
68 LCD CS LCD driver chip selection output O -
69 NC No Connection - -
70 PN0 - - 0
71 PN2 - - 3.2
72 NC No Connection - -
73 NC No Connection - -
74 FLASH CE FLASH chip enable O -
75 NC No Connection - -
76 VSS Ground - 0
77 VCC Positive power supply - 3.2
78 NC No Connection - -
79 NC No Connection - -
80 NC No Connection - -
81 KI1(SOURCE) Key return signal 1input INT/I 0
82 REMO INT Remote control signal interrupt
input INT 3.2
83 S W U REQ SUB-u-com wake up demand
input INT 3.0
84 ROTARY.1 Rotary encoder signal input 1(VOL
UP) I 2.3
85 ROTARY.2 Rotary encoder signal input 2(VOL
DOWN) I 2.3
86 VLCD CONT VLCD 16V control terminal I 3.1
87 M W U REQ MAIN-u-com wake up demand
output O 0
88 LED ON P.LED control output I 3.1
89 SUB SI MAIN-u-com communication data
input I 0.2
90 SUB SO MAIN-u-com communication data
output O 2.5
91 KI2 Key return signal 2 input I 0
92 KI3 Key return signal 3 input I 0
93 KI4 Key return signal 4 input I 0
94 KI5 Key return signal 5 input I 0
95 VCC Positive power supply - 3.2
96 VSS Ground - 0
97 KI6(NC) No Connection - -
98 KS1 Key scann signal 1 output O 0
99 KS2 Key scann signal 2 output O 0
100 KS3 Key scann signal 3 output O 0
101 NC No Connection - -
102 UP SO External Flash rewriting input I -
Pin
No.
Port Description I/O (V)
103 UP SI External Flash rewriting output O -
104 UP CLK External Flash rewriting switch I 3.2
105 NC No Connection - -
106 NC No Connection - -
107 DAVS D/A converter grand potential - 0
108 DAVC Positive power supply supply for
D/A converter - 3.2
109 AVCC Positive power supply supply for
A/D converter - 3.2
110 AVRH Input of reference voltage of A/D
converter - 3.2
111 AVSS/AVRL Ground potential of A/D converter - 0
112 VSS Ground - 0
113 INIT Initialization switch input (Not
used) I 3.2
114 TH DETECT Temperature detection input I 1.2
115 NC Ground - 0
116 NC Ground - 0
117 NC Ground - 0
118 NC Ground - 0
119 NC Ground - 0
120 NC Ground - 0
11.5. CD Servo Block
IC401 : YESAM275
Pin
No.
Port Descriptions I/O (V)
1 CVSS1 GND - 0
2 A22 TP407 - 0
3 CVSS2 GND - 0
4 DVDD1 I/O system (3.3V) power supply - 3.1
5 A10 Address bus of FLASH ROM O 3.1
6 HD7(NC) No Connection - -
7 A11 Address bus of FLASH ROM O 0
8 A12 O 3.1
9 A13 O 3.1
10 A14 O 3.1
11 A15 O 0
12 /CVDD1 CORE CPU system (1.6V) power
supply - 1.6
13 HAS(NC) No Connection - -
14 DVSS1 GND - 0
15 CVSS3 GND - 0
16 /CVDD2 I/O system (3.3V) power supply - 1.6
17 HCS(NC) No Connection - -
18 HR/W(NC) No Connection - -
19 READY - - 3.1
20 /PS FLASH ROM selection signal O 3.1
21 /DS(NC) No Connection - -
22 /IS(NC) No Connection - -
23 R/W Lead/light signal to FLASH ROM O 3.1
24 /MSTRB Memory access signal O 3.1
25 /IOSTRB(NC) No Connection - -
26 /MSC - - 3.1
27 MUTE Mute signal output (H:Mute on) O 0
28 /HOLDA(NC) No Connection - -
29 /IAQ(NC) No Connection - -
30 /HOLD - - 3.1
31 BIO SUBO input I 0
32 MP/MC Operation mode setting (external
pull-up) I 3.1
33 DVDD2 I/O system (3.3V) power supply - 3.1
34 CVSS4 GND - 0
35 BD R1 GND I 0
19
CQ-C9901N / CQ-C9701N