Panasonic CQ-C8303U - WMA/MP3/CD Player/Receiver With 4096 Color OEL..., Service Manual

Page: 11 / 48

Pin
No.
Port Part Name & Description I/O (V)
94 FLASH A7 A7 in Address bus O 0
95 FLASH A6 A6 in Address bus O 0
96 FLASH A5 A5 in Address bus O 0.6
97 FLASH A4 A4 in Address bus O 3.0
98 FLASH A3 A3 in Address bus O 1.8
99 FLASH A2 A2 in Address bus O 1.8
100 FLASH A1 A1 in Address bus O 1.8
101 FLASH A0 Not connected - -
102 FLASH D15 DQ15 in Data bus I/O 3.1
103 FLASH D14 DQ14 in Data bus I/O 0.6
104 FLASH D13 DQ13 in Data bus I/O 0.4
105 FLASH D12 DQ12 in Data bus I/O 0.4
106 FLASH D11 DQ11 in Data bus I/O 0.4
107 FLASH D10 DQ10 in Data bus I/O 0.4
108 FLASH D9 DQ9 in Data bus I/O 0.7
109 FLASH D8 DQ8 in Data bus I/O 1.6
110 FLASH D7 DQ7 in Data bus I/O 1.7
111 FLASH D6 DQ6 in Data bus I/O 1.6
112 FLASH D5 DQ5 in Data bus I/O 1.6
113 FLASH D4 DQ4 in Data bus I/O 1.6
114 FLASH RESET Reset for Flash memory O 3.4
115 NC Not connected - -
116 NC Not connected - -
117 NC Not connected - -
118 NC Not connected - -
119 FLASH D3 DQ3 in Data bus I/O 0
120 FLASH D2 DQ2 in Data bus I/O 1.8
121 FLASH D1 DQ1 in Data bus I/O 2.3
122 FLASH D0 DQ0 in Data bus I/O 2.2
123 NC Not connected - -
124 NC Not connected - -
125 SUB SI Serial data from main CPU I 0
126 SUB SO Serial data to main CPU O 0.8
127 ROTARY 1 Volume-up detection from
Rotary encoder I 1.8
128 ROTARY 2 Volume-down detection from
Rotary encoder I 4.5
129 A CLK SCLK Anode output pulse width
adjusting clock I 2.6
130 GND GND - 0
131 A CLK Anode output pulse width
adjusting clock O 0.7
132 VCC5.0V Power supply - 4.5
133 KEY RET4 Key return 4 I 0
134 KEY RET3 Key return 3 I 0
135 KEY RET2 Key return 2 I 0
136 KEY RET1 Key return 1 I 0
137 OEL RESET Reset for OEL O 4.5
138 NC Not connected - -
139 NC Not connected - -
140 AD AVSS GND - 0
141 TH DETECT Thermal detection I 1.7
142 AD VREF +5V Power supply - 4.5
143 AD AVCC +5V Power supply - 4.5
144 PADJ IO3 Anode output pulse width
adjusting data 3 (Image data) O 1.2
10.3. CD Servo Block
IC101 : YESAM337
Pin No. Port Descriptions I/O (V)
1 AVSS GND - 0
2 LD-MT Loading Motor drive IC control 1 O 3.2
3 CNT Loading Motor drive IC control 2 O 3.2
4 - - - -
5 LD-EJ Loading Motor drive IC control
(Eject) O 0
6 AMUTE Mute signal output O 0
7 - - - -
8 SBSY DSP IC SBSY O 0
9 - - - -
10 - - - -
11 TXD0 Serial data output O 0
12 RXD0 Serial data input I 0
13 CLK0 Clock input I 2.9
14 - - - -
15 - - - -
16 - - - -
17 AMD - - 3.2
18 DVCC Power supply (3.3V) - 3.2
19 X2 Crystal oscillator - 1.3
20 DVSS GND - 0
21 X1 Crystal oscillator - 1.3
22 AMI - - 3.2
23 RESET Reset I 3
24 - - - -
25 - - - -
26 NMI - - 3.2
27 - - - -
28 STBY DSP IC STBY O 0
29 RST DSP IC RST O 3.2
30 CCE DSP IC CCE O 2.6
31 BUCK DSP IC CK O 2.8
32 BUS3 DSP IC BUS3 O 2.8
33 BUS2 DSP IC BUS2 O 2.8
34 BUS1 DSP IC BUS1 O 2.8
35 BUS0 DSP IC BUS0 O 2.9
36 RESET SW Mechanics deck REST SW input I 3.2
37 SW1 Mechanics deck SW1 input I 0
38 SW2 Mechanics deck SW2 input I 0
39 CONT (P13) DSP IC power control 1 O 3.2
40 - - - -
41 - - - -
42 - - - -
43 CONT (P17) DSP IC power control 2 O 3.2
44 PIO0 DSP IC PIO0 O 0
45 ZDET LOAD detect I 0
46-49 - - - -
50 - - - 3.2
51-58 - - - -
59 CDFS Serial frame sink signal input
(CD ON) I 2.3
60 P50/AN0 Reference voltage I 0.3
61 P51/AN0 Loading motor detect I 2.1
62 P52/AN2 - - 0
63 P53/AN3 - - 0
64 AVCC Power supply (3.3V) - 3.2
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CQ-C8403U / CQ-C8303U