Pioneer 434CMX Service Manual - Page 118

ACTIVE, Pin Name, Function

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1 No. Pin Name A 51 DRV_OFF 52 RELAY 53 POWER 54 MR_ST_B 55 OP_DET 56 NC 57 PNL_MUTE 58 DITHER 59 NC 60 VCC2 B 61 PD_TRG 62 VSS 63 VH_PD 64 YDRV_PD 65 YRES_PD 66 YDCDC_PD 67 IC5V_PD 68 XSUS_PD 69 XDCDC_PD 70 XDRV_PD 71 NC C 72 MR_AC 73 AC_DET 74 DVI_MUTE 75 A_MUTE 76 A_NG 77 A_SCL 78 A_SDA 79 TRUBASS 80 STB_SW 81 FOCUS D 82 SRS 83 DDC_WP 84 DVI_DET 85 RSTBTMDS 86 L_SYNC 87 NC 88 NC 89 MASK1 90 MAX_PLS2 91 MAX_PLS1 E 92 TEMP 93 MODE 94 AVSS 95 MODEL 96 VREF 97 AVCC 98 NC 99 NC 100 AMG_MD F 118 1 2 3 4 Function Driving OFF Power ON control output Power ON control input MDR connection detection Rear case open detection NC pin Panel mute PC/VIDEO dither switch (panel module exclusive use) NC pin Power supply = STB 3.3V PD detection GND Vh power decrease PD Y drive PD signal Y drive PD signal PD signal of Y drive DC-DC converter 5V power decrease PD X drive PD signal PD signal of X drive DC-DC converter X drive PD signal NC pin MR power monitor AC power monitor at panel side (same signal as CST1) Mute of panel link output Audio mute Audio NG detection IIC clock output for audio/others IIC data I/O for audio/others TRUBASS ON/OFF Standby setting of audio amp. FOCUS ON/OFF SRS ON/OFF DDCROM write protection DVI cable disconnection detection Reset detection of panel link receiver DE omission detection of the panel link NC pin NC pin [A/D] Mask display setting [A/D] Brightness setting for panel module [A/D] Brightness setting for panel module [A/D] AD input for temperature sensor [A/D] Operation mode setting GND for A/D input [A/D] CMX/HD/TV/WX distinction Reference voltage for A/D input Power supply for A/D input = STB3.3V NC pin NC pin Address emergency monitor I/0 ACTIVE O H O H I H I L I I I − − I L − − I H I H I H I H I H I H I H I H I H I L O H O H I L O L I/O L O H O L O H O H O H I H I L I L I I I I I − − I − − − − I H PDP-434CMX 2 3 4

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PDP-434CMX
118
1
2
3
4
1
2
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4
C
D
F
A
B
E
No.
I/0
ACTIVE
Pin Name
Function
51
DRV_OFF
Driving OFF
O
H
52
RELAY
Power ON control output
O
H
53
POWER
Power ON control input
I
H
54
MR_ST_B
MDR connection detection
I
L
55
OP_DET
Rear case open detection
I
56
NC
NC pin
57
PNL_MUTE
Panel mute
I
58
DITHER
PC/VIDEO dither switch (panel module exclusive use)
I
59
NC
NC pin
60
VCC2
Power supply = STB 3.3V
−
−
61
PD_TRG
PD detection
I
L
62
VSS
GND
−
−
63
VH_PD
Vh power decrease PD
I
H
64
YDRV_PD
Y drive PD signal
I
H
65
YRES_PD
Y drive PD signal
I
H
66
YDCDC_PD
PD signal of Y drive DC-DC converter
I
H
67
IC5V_PD
5V power decrease PD
I
H
68
XSUS_PD
X drive PD signal
I
H
69
XDCDC_PD
PD signal of X drive DC-DC converter
I
H
70
XDRV_PD
X drive PD signal
I
H
71
NC
NC pin
72
MR_AC
MR power monitor
I
H
73
AC_DET
AC power monitor at panel side (same signal as CST1)
I
L
74
DVI_MUTE
Mute of panel link output
O
H
75
A_MUTE
Audio mute
O
H
76
A_NG
Audio NG detection
I
L
77
A_SCL
IIC clock output for audio/others
O
L
78
A_SDA
IIC data I/O for audio/others
I/O
L
79
TRUBASS
TRUBASS ON/OFF
O
H
80
STB_SW
Standby setting of audio amp.
O
L
81
FOCUS
FOCUS ON/OFF
O
H
82
SRS
SRS ON/OFF
O
H
83
DDC_WP
DDCROM write protection
O
H
84
DVI_DET
DVI cable disconnection detection
I
H
85
RSTBTMDS
Reset detection of panel link receiver
I
L
86
L_SYNC
DE omission detection of the panel link
I
L
87
NC
NC pin
88
NC
NC pin
89
MASK1
[A/D]
Mask display setting
I
90
MAX_PLS2
[A/D]
Brightness setting for panel module
I
91
MAX_PLS1
[A/D]
Brightness setting for panel module
I
92
TEMP
[A/D]
AD input for temperature sensor
I
93
MODE
[A/D]
Operation mode setting
I
94
AVSS
GND for A/D input
−
−
95
MODEL
[A/D]
CMX/HD/TV/WX distinction
I
96
VREF
Reference voltage for A/D input
−
−
97
AVCC
Power supply for A/D input = STB3.3V
−
−
98
NC
NC pin
99
NC
NC pin
100
AMG_MD
Address emergency monitor
I
H