Panasonic PT-TW230U

-59-
Chassis Block Diagrams
POWER
KEY SW
LAMP BALLAST
IC001
AUDIO-OUT
<TPA3111>
IC5001
AUDIO-CONTOL
<NJW1156>
R/C RECEIVER
POWER SUPPLY
SW901 LAMP COVER SWITCH
P.F. CONTROL
SP901
SPEAKER
MUTE
LAMPDC_ON
POWER_SWPOWER_SW
R/C
MAIN
Q6845
FAN_CON_A
FAN_CON_B
R/C
4
ERROR:H
P-ON:H
P.Fail:L
2 1
1
Mute On:H
Mute On:H Power On:H
Power On:L
L/R
VOLUME
LAMP_SCI
FAN_ERR
ON_33V
ON_150V
188
LAMP_DET
285 95
PIC_LAMP_LED
PIC_READY_LED
PIC_POWER_LED
ON_50V
419
P_FAIL
LAMP_DC_ON
215
FAN_SW1
FAN_SW1
190 89 275,191, 189
IC3804
MUTE
KEY1
KEY1 KEY2
267 28
KEY2
126 164
R/C_PW
R/C
R/C_PW
SCL1/SDA1
SCL2/SDA2
214 211,294
SCL0/SDA0
293,212 290,208 30 120
FAN_CON_C
374
IC301
SCALER
Q6846
D6831 D6833
D6835
Q5035
LAMP REPLACE
WARNING
POWER
IC4891
NAND
IC9882
INVERTER
2 6 8
13
22
12
7,9,10
1 3 10
19
3/6
3/6
515
20 23 11
K8R
K6R
K8S
2 1
K8H
4 5 1
K8D K29D
3
3.3V_ALL
FAN
CONTROL
CIRCUIT
KEY SWITCH
SCL2/SDA2
11
2
K8F
1 3
LAMP_DET
ON_16V
96
ON_18V
347
IC9885
SUB CPU
<MB95F353>
PW_MASTER_SDO PW_MASTER_SDI PW_MASTER_SCK
POWER_KEY
K6HK8K
1 3 2
IC3802SW
TEMP_LED
POW_KEY
21
16
System control