Panasonic PT-VX505NE User Manual
-71-
Chassis Block Diagrams
Q3601
D3621
D3622
SW902
LAMP
COVER
LAMP
BALLAST
BOARD
K9A
K9B
K9D
FN901
FN902
FN903
1
2
2
1
2
2
1
2
2
D3624
D3623
K9C
FN904
1
2
2
1
4
2
3
1
IC7851
S16.5V
FAN_A
FAN_B
TPFANA
Q7851
P_FAIL
FAN_SW1
IC8831
LAMP
TEMP SENSOR 3
<ADT75BRMZ>
IC8811
ROOM
TEMP SENSOR 1
<ADT75BRMZ>
MAIN
FAN_CON_
B
FAN_CON_
A
Power-On:H
IC9886
NAND
1
2
4
215
268
Power-On:H
91
212, 293
Power Error: On
P_Fail: H
SIGNAL/MODE
POWER-ON
STAND-BY
H
L
NORMAL
ERROR
H
L
FAN_SW1
P_FAIL
P_FAIL
FAN_ERR
TPFANB
K8S
K8H
2
1
4
IC301
SCALER
<PW190>
SCL0
SDA0
293
IC8821
PANEL
TEMP SENSOR 2
<ADT75BRMZ>
D3625
K9E
FN905
TPFANC
IC7811
Regulator
1
1
2
2
FAN_C
FAN_CON_
D
212
LAM_SCI
IC9885
SUB CPU
R/C
Q7812
FAN_SW2
IC7801
SCL0_5V
SDA0_5V
FAN_CONT_B
FAN_CONT_C
Q7811
Q7816
30
128
FN906
FN907
FN908
FN909
FN910
1
K9F
1
1
2
2
1
K9G
1
1
2
2
1
K9H
1
1
2
2
1
K9I
1
1
2
2
1
K9J
1
1
2
2
IC7861
FAN_D
TPFAND
Q7861
IC7871
FAN_E
TPFANE
FAN_CONT_E
373
Q7871
IC7881
FAN_F
TPFANF
FAN_CON_
F
Q7881
FAN_SW3
111
IC7891
FAN_G
TPFANG
Q7891
IC3601
IC3602
370
Power-On:H
D3629
SPEED_D1
SPEED_D2
SPEED_E
SPEED_G
SPEED_D1
SPEED_D2
SPEED_E
SPEED_
G
FAN_FAIL1
Fan control circuit