System Controls - Sanyo PLV-Z4 Service Manual

Chassis Block Diagrams
● System Controls
MAIN BOARD
54,206
SCL0/SDA0_PW
Always Available
135,134
SCL1/SDA1_PW
Always Available
55,53
SCL2/SDA2
Standby off
64
DDC_SW
78
3L_EN
IC841
SCLK/SDATA/SCS
BUFFER
Standby off
A1 - A21
IC801 IC4401
COLOR
FLASH
MANAGER
ROM
D0 - D15
80
MAINON_SW
269
IRIS_PWM
157
IRIS_OPN
285
IRIS_CLS
58
IRIS_SENS
149
DOOR_OPN
151
DOOR_CLS
52
R/C_PW
268
LAMP_PWM
Always Available
SCL0/SDA0_5V
202,265
PW_RXD/TXD
204
D_CLS_SW
205
D_OPN_SW
158
THERM2_DET
328
THERM2
286
THERM1_DET
327
THERM1
IC8201
DECODER
& A/D
3.3V to 5V
IC1371
BUS SW
IC1391 IC8131
EEPROM DDC ROM
RECEIVER
5V
3.3V to 5V
IC8121
DDC SW
5V to 3.3V
DDC_SCL/SDA
IC501,
IC401 IC531,
DIGITAL IC561
GAMMA
S&H
17-19
K01-K03
16
LAMP_LED
15
TEMP_LED
14
POWER_LED
13
READY_LED
12
HOT_PLUG
26
POWER_LED
25
READY_LED
24
22
LAMP_LED
12
PWR_SW
4
LAMP_ERR
21
18 12 13
2
3 10
17
IC4833
16
IC3801
RS232C
K8F K8E
1 3 3 1 3
TH901 TH902
15
IC8841 FAN_CONT1
14
TEMP.
FAN_CONT2
SENSOR
13
FAN_CONT3
12
FAN_CONT4
SCL0/SDA0_5V
14-15
B_VMID/REF
12-13
G_VMID/REF
IC8001
4-5
R_VMID/REF
HDMI
6-7
SVREF_L/H
IC8141
DDC SW
IRIS_PWM
6V
IC2501,
IC2531,
IRIS_OPN
IC2561
LEVEL
IRIS_CLS
SHIFT
IRS_SENS
DOOR_OPN
DOOR_CLS
9
HDMI_SW
8
OPTION
7
LAMP_ERR
6
P-KEY_PW
5
POWER_FAIL
2-4
K11-K13
P_KEY
R/C
ERROR : H
RX_LAMP
TX_LAMP
Lamp-ON = L
Lamp-ON = L
LAMP_SW
POWER_FAIL
SERVICE
PORT
-72-
FAN
CONTROL
K8A CN201
MAINON_SW
K8B CN203
PWR_SW
K8G
CTL(-)
DRV(+)
DRV(-)
CTL(+)
K8H
5 7
IC8701
MOTOR
DRIVER
4 1
POTENTIOMETER
5
7
IC6551
MOTOR
DRIVER
4
1
K8N
DDC_SCL/SDA
HOT_PLUG
ERROR : L IC871 From the power fail
COMPARATOR detection diodes.
KEY
SWITCH
K28A
red
yellow
green
red
K8D
CONTROL BOARD
K8J
K28D
R/C BOARD
K8L CN2
RX_LAMP
TX_LAMP
LAMP_ON
SW902
K8R
THERMAL SW
LAMP SW BOARD
K8Q SW8803
LAMP COVER SW
K8803
5V = DOOR CLOSE
SW8811
DOOR SW2 BOARD
K8L
K8811
Open
5V = DOOR OPEN
SW8801
DOOR SW1 BOARD
K8M
K8801
Open
UNIT_POWER
PC103
PHOTO
COUPLER
PC101
PHOTO
COUPLER
LAMP IRIS
M
MOTOR
LENS IRIS
M
MOTOR
DOOR
M
MOTOR
HDMI
TERMINAL
WARNING LED
LAMP_REP LED
POWER LED
READY LED
POWER KEY
R/C RECEIVER
LAMP BALLAST