Service manual

-51-
Chassis Block Diagrams
6
SCL0_5V
SDA0_5V
SCL2_5V
VGA1_SCL
VGA1_SDA
VGA2_SCL
VGA3_SDA
SDA2_5V
DDC_SW1
3
IC301
SCALER
<PW190>
IC1371
BUS-SW
<TC7WBD125>
5
2
293
212
6
VGA1_SCL
VGA1_SDA
PC1
PC2
VGA2_SCL
VGA2_SDA
3
IC1351
BUS-SW
<TC7WBD125>
IC1041
DDC-SW
Q8111
5
2
2
3
5
3
2
1
290
208
21 217
1
2
3
6
FAN
CONTROL
IC3501
DAC
<M62334>
IC8811
TEMP
SENSOR 3
<LM76CH>
1413
IC5001
AUDIO
SELECTOR
<NJW1141>
48EK30A
TEMP
MAIN
6
SCL
SDA
211
294
5
IC1391
CONTROL
MEMORY
21
IC8821
TEMP
SENSOR 2
<LM76CH>
IC4831
TEMP
SENSOR 1
<LM76CH>
65
4
15
IC8101
VGA HDCP
MEMORY
65
IC1051
VGA HDCP
MEMORY
4
3
IC8131
DDC-SW
5
3
2
1
4
15
9,10,11
DDC_SW3
Q1061
9-11
DSub15 DSub15
IIC bus control circuit