Philips F21RE Service Manual page 91

Circuit Descriptions, List of Abbreviations, and IC Data Sheets
9.3 Audio Video Interface Panel (AVI, diagram AV)
9.3.1 AVI: Introduction
POWER_VALID/
50HZ_60HZ
STANDBY
+16V/+7V7/-7V7/+33V
POWER
SU PPLY
+5V2/+8V6
+5VSTBY
POWER_ON
POWER_ON
+5VSTBY
+5VSTB
IR_LED/ON_OFF_LED
FRONT KEYBOARD
PANEL
SND_FRONT
CVBS_YC_FRONT
RC_FRONT
RC_EXT
SND_SD
SND_EXT3
SND_HD
CVBS_YC_EXT3
HD
PANEL
YPBPR_SD
HV_EXT_HD
RGB_YPBPR_HD
HV_VGA
RGB_VGA
UAR T
RC_MON
FTV1.9/2.X
RGB_MON
MONITOR
HV_MON
SND_MON
SND_CENTER
AVI
+5V2/+8V6
YPbPr to RGB
HD
SYNC
PROCESSING
MAT-
RIX
2fh video and sync processing
AUDIO
MUTE
Figure 9-4 Block diagram AVI panel
F21RE AB
+5VSTB
I2C
RC SELECTION
AUDIO
SELECTION
1FH VIDEO
SELECTION
2FH
SYNC
SELECT
LPF
2FH
2FH VIDEO
VIDEO
SELECTION
SELECTION
LEFT/RIGHT
CENTER
SELECTION
9. EN 91
POWER_VALID/
50HZ_60HZ
STANDBY
+5V2/+8V6
+5VSTB
IR_LED/
ON_OFF_LED
KEYBOARD
UART
I2C
RC_OUT
SSP
SND_MAIN
SND_SUB
CVBS_YC_AV1
CVBS_YC_AV2
UI_RGB_FBL
HDVD
RGB_VC
RGB_HD
SND_SSP
CL 36532021_002.eps
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