Pioneer PDP-5050SX Service Manual page 70

1
SR ASSY
CN9505 (AKM1274)
A
Voltage
(V)
No. Signal Name
1 FAN_12V 7.0
2 FAN_NG1 0.0
3 GND 0.0
SR ASSY
CN9506 (AKM1274)
Voltage
(V)
No. Signal Name
1 FAN_12V 7.0
2 FAN_NG2 0.0
B
3 GND 0.0
AV BOARD ASSY
CN8505 (KM200NA3)
Voltage
(V)
No. Signal Name
1 FAN_12V 6.9
2 FAN_NG3 0.0
3 GND 0.0
PANEL IR ASSY
C
CN4901 (KM200NA3L) Voltage
(V)
No. Signal Name
3 REM_B 0.0
2 GND 0.0
1 V+3V_STB 3.3
KEY CONTROL
ASSY
CN4852 (KM200NA4)
4 GND 0.0
3 N.C. -
2 KEY 3.3
D 1 V+3V_STB 3.3
LED ASSY
CN9461 (KM200NA4)
4 GND 0.0
3 LED_FCT -
2 LED_R -
1 LED_G 3.3
KEY CONTROL ASSY
E
CN4851 (AKM1272)
Voltage
(V)
No. Signal Name
6 STBGND 0.0
5 G1 0.0
4 G0 0.0
3 D5 3.3
2 D6 3.3
1 D7 3.3
F
70
1
2
AV BOARD ASSY
FAN MOTOR
FAN MOTOR
Signal Name No. No.
FAN MOTOR
FAN MOTOR
Signal Name No.
10
11
12
13
FAN MOTOR
14
FAN MOTOR
15
Signal Name No.
16
17
18
19
20
21
AV BOARD ASSY
22
CN8656 (AKM1297)
23
Signal Name No. 24
REM_B 1 25
GND 2 26
V+3V_STB 3 27
28
29
30
GND 4
31
N.C. 5
32
KEY 6
33
V+3V_STB 7
34
35
36
GND 8
37
LED_FCT 9
38
LED_R 10
39
LED_G 11
40
PANEL KEY ASSY
CN5701 (AKM1208)
Signal Name No.
STBGND 1
G1 2
Key scan signal
G0 3
Key scan signal
D5 4
Key scan signal
D6 5
Key scan signal
D7 6
Key scan signal
2
3
TUNER BOARD ASSY
CN8657 (AKM1303) CN1001 (AKM1217)
Voltage
(V)
Signal Name Signal Name
1 GND 0.0 GND
2 N.C. - N.C.
3 GND 0.0 GND
4 GND 0.0 GND
5 GND 0.0 GND
6 GND 0.0 GND
7 DT_VIN 0.0 DT_VIN
8 GND 0.0 GND
9 GND 0.0 GND
GND 0.0 GND
DT_Y 0.9 DT_Y
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
DT_C 1.3 DT_C
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
DT_VIDEO 0.9 DT_VIDEO
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
DT_L 4.9 DT_L
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
DT_R 4.9 DT_R
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
OPT_R 3.2 OPT_R
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
OPT_L OPT_L
3.2
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
GND 0.0 GND
Signal Description
PDP-5050SX
3
4
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
Voltages at NTSC Signal Input
0V DC
0V DC
0V DC
+3.3V DC
+3.3V DC
+3.3V DC
4