Part 4: Troubleshooting
4-16
●
AD9883AKST <Analog Flat Panel Interface, IC8201>
R
AIN
R
OUTA
G
AIN
G
OUTA
B
AIN
B
OUTA
MIDSCV
SYNC
PROCESSING
AND CLOCK
GENERATION
HSYNC
COAST
CLAMP
FILT
DTACK
HSOUT
VSOUT
SOGOUT
REF
REF
BYPASS
SERIAL REGISTER
AND
POWER MANAGEMENT
SCL
SDA
A
0
AD9883A
CLAMP
8
A/D
CLAMP
8
A/D
CLAMP
8
A/D
●
FA7701 <Switching Power Supply Control, IC7861, IC7911>
FA7701V
+
–
+
PWM
–
+
ER.AMP
ON/OFF
VREF
OSC
BIAS
UVLO
5.5V
–
+
–
+
ON/OFF
S.C.DET
0.3V
1.5V
1.5V
–
+
S.C.P
2.2V
OFF
RT
REF
4
FB
IN
–
1
2
3
8
7
6
5
CS
VCC
OUT
GND
0.88V
Power Good Signal
VREF
2.2V
Summary of Contents for D78-5532
Page 2: ...CANON Multimedia Projector LV X4U D78 5532 LV X4E D78 5533 SERVICE SMANUAL ...
Page 9: ...Part 1 General Information ...
Page 26: ...Part 2 Repair Information ...
Page 43: ...Part 3 Adjustment ...
Page 62: ...Part 4 Troubleshooting ...
Page 79: ...Part 4 Troubleshooting 4 17 AN5870SB RGB SYNC SW IC5201 LM4889 Audio Amplifier IC5031 ...
Page 81: ...Part 4 Troubleshooting 4 19 FA5502 P F Control IC621 VPC3230D Video Decoder IC101 ...
Page 84: ...Part 4 Troubleshooting 4 22 TA1370FG Sync Separator Frequency Counter IC5302 ...
Page 85: ...Part 5 Parts Catalog ...
Page 86: ......
Page 94: ......
Page 100: ...Part 6 Electrical Diagrams ...