Panel If Assy - Pioneer PDP-434PU Service Manual

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3.1.4 PANEL IF ASSY

• Block Diagram
A
R3
TMDS
6: DDC_SCL
7: DDC_SDA
B
14: DDC_+5V
R2
11: MTXD
2: MRXD
3: P_ST_B
10: MR_ST_B
7: REQ
C
8: STB3V
9: KEY_B
14: REM_B
15: STB_MT
D
13: AUDIO_R
20: AUDIO_L
E
F
26
1
2
PANEL IF ASSY
IC4202
TMDS RECEIVER
Q4215
5V ↔ 3.3V
IC4206
I2C LEVEL SHIFT
I2C BUFFER
IC4201
DDC_ROM
Q4004
INV
IC4006 BUF
IC4006 BUF
IC4006 BUF
IC4006 BUF
Q4004 INV
Q4006 INV
Q4006 INV
Q4009 INV
Q4007,
Q4011
NOR
R8
CN4010 CN4007
PDP-434PU
2
3
IC4205
Q4017
RESET IC
NOR
Q4203 INV
IC4002
BACKUP ROM
Q4006 INV IC4006 BUF
Q4006 INV IC4006 BUF
Q4011 INV
Q4001
5V ↔ 3.3V
I2C LEVEL SHIFT
R6 R5
CN4006
3
4
R4
RSTBTMD
DVI_MUTE
*DDC_WP
DVI_OFF
OP_DET
RXD0
TXD0
B_SCL, B_SDA
MR_ST_B
REQ_MD
MR_AC_OFF
KEY_B
REM_B
LED_R_B
LED_G_B
A_NG,A_MUTE,STB_SW,
FOCUS,TRUBASS,SRS
A_SCL, A_SDA
R7
R_IN
L_IN
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