Panasonic PT-VX400U

-58-
Chassis Block Diagrams
POWER
LAMP BALLAST
AUDIO AMP
IC001
TPA3111D1
IC5001
AUDIO-CONTOL
<TLV320AIC3105>
IC9001
DIMMER CONTROL
<L3E080F0A>
RC RECEIVER
POWER SUPPLY
P.F. CONTROL
SP901
SPEAKER
LAN
MUTE
LAMP_DC_ON
RC
MAIN
IC9883
INVERTER
<TC7WH14FU>
1
4
ON:H
Power ON:H
POWER_SW
Power ON:H
P.Fail:L
5 2
2 1
1
Mute On:H
Mute On:H
Power On:L
L/R
VOLUME
POWER_LED
SCIOUT
FAN_ERR
TEMP_LED
353 276 275
READY_LED
P_FAIL
215
FAN-SW2
420
FAN-SW3
349
FAN_SW1
190
Power On:H
LAMP_DC_ON
89 99
LTXD
LRXD
MUTE
KEY1
344
28
KEY2
126
POW_KEY
R/C_PW
SCL1/SDA1
188 214
RXD_PW
368
12
10
TXD_PW
124
211,294
SCL2/SDA2
290,208
SCL0/SDA0
293,212
FAN_CON_A
30
FAN_CON_B
128
IC301
SCALER
D6835
Q5035
ON:H
LAMP_LED
D6831
D6833
Q6846
Q6845
LAMP REPLACE
TEMP WARNING
POWER
IC9886
K8R K6R
K8S
K8H
4 5 1
K8D K29D
A2901
8
FAN
CONTROL
CIRCUIT
KEY SWITCH
SCL2/SDA2
10 11
K8F
1 3
FAN_CON_C
373
PW_MASTER_SDO
96
PIC_LAMP_LED
PIC_READY_LED
PIC_POWER_LED
PW_MASTER_SDI
189
19 18
20
39 40
41
23 8, 9
22
21
24
22
23
1 21 12
PW_MASTER_SCK
97
9
8
7
IC9885
SUB CPU
TXD_MCI
295
RXD_MCI
26
9 10
IC8801
NETWORK
IC3801 RS-232C DRIVE
RJ-45
R/C
POWER_KEY
POWER_SW
DIM_SCS
DIM_SCK
DIM_SDO
S3.3V_ALL
2 1
IC3802
SERIAL_TXD
SW901 LAMP COVER SWITCH
System control