Pioneer PDP-434PU Service Manual page 30

1
• Voltages
CN4004 (R4) < ⇔ DIGITAL VIDEO ASSY > (2/2)
A
No. Signal Name I/O
59 GB0
60 GB1
61 GB2
62 GB3
63 GB4
64 GB5
65 GB6
66 GB7
67 GND
B
68 GND
69
70
71 RB0
72 RB1
73 RB2
74 RB3
75 RB4
76 RB5
77 RB6
78 RB7
79 GND
C
80 MASK
81 MODE
82 MODEL
83 DITHER
84 V+3VACTV
85 B_SDA
86 RXD0
87 REM_B
88 TXD0
89 KEY_B
D
90 REQ_MD
91 LED_R_B
92 MR_AC_OFF
93 LED_G_B
94 POWER
95 DVI_MUTE
96 MR_ST_B
97 A_MUTE
98 OP_DET
99 A_NG
100 PNL_MUTE
E 101 A_SCL
102 STB_SW
103 A_SDA
104 DDC_WP
105 TRUBASS
106 B_SCL
107 FOCUS
108 DVI_OFF
109 SRS
110 RSTBTMD
111 MAX_PLS1
112 L_SYNC
F
113 MAX_PLS2
114 GND
30
1
2
Signal Description
O
8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
O 8bit video signal output (GREEN odd number)
−
GND
−
GND
Not connected
Not connected
O 8bit video signal output (RED odd number)
O 8bit video signal output (RED odd number)
O 8bit video signal output (RED odd number)
O 8bit video signal output (RED odd number)
O 8bit video signal output (RED odd number)
O
8bit video signal output (RED odd number)
O 8bit video signal output (RED odd number)
O 8bit video signal output (RED odd number)
−
GND
Not connected
Not connected
Not connected
Not connected
O Power supply +3.3V output of module UCOM at panel side
I E2PROM control signal for backup
UART communication receive data with the main UCOM (external PC) at MDR side
O
O Remote control code signal output
UART communication transmission data with the main UCOM (external PC) at MDR side
I
O Function key code signal output at panel side
Communication request to the main UCOM (external PC) at MDR side 0-3.3V amplitude square wave
I
I LED control (red)
O AC state output at MR side
I LED control (green)
Not connected
I DVI mute signal input
O Connection state detecting signal with MDR
I Audio mute signal input
O Rear case open detecting signal
O Abnormal detecting signal of audio block
Not connected
I I2C control signal for audio
I Standby signal of audio block
I I2C control signal for audio
I EDID E2PROM writing inhibit signal
I TRUBASS function control signal
I E2PROM control signal for backup
I FOCUS function control signal
O Connection detecting signal of DVI connector
I SRS function control signal
O TMDS IC reset signal
Not connected
O TMDS IC synchronous detecting signal
Not connected
−
2
3
PDP-434PU
3
4
Voltages at NTSC Signal Input
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
−
−
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave
−
−
−
−
+3.3VDC
0-3.3V amplitude square wave
0-3.3V amplitude square wave
0-3.3V amplitude square wave (at remocon
code transmission)
0-3.3V amplitude square wave
0-3.3V amplitude square wave (at key
operation)
+3.3VDC
0VDC
0VDC
−
0VDC
0VDC
0VDC
0VDC
+3.3VDC
−
0-3.3V amplitude square wave
+3.3VDC
0-3.3V amplitude square wave
0VDC
+3.3VDC
0-3.3V amplitude square wave
+3.3VDC
0VDC
+3.3VDC
+3.3VDC
−
+3.3VDC
−
4