Sanyo PLC-XL50 - Printed Wiring Board Diagrams

PCB_KM3A A9
■ Printed Wiring Board Diagrams
This projector is isolated from AC line by using the internal converter transformer.
Please pay attention to the following notes in servicing
1. Do not touch the part on hot side (primary circuit) or both parts on hot and cold sides
(secondary circuit) at the same time.
2. Do not shorten the circuit between hot and cold sides.
3. The grounding lead must be connected to the ground of the same circuit when mea-
suring of voltages and waveforms.
! CAUTION
BUZZER (SIDE : A)
MAIN
“K10A”
1AA4B10C6090B
??? ***
A SIDE(1st Reflow)
K20B
K40A
K40B
K20A
SW8753SW8754
SW8751
SW8752
A30C5
1AA4B10C6090B
??? ***
B SIDE(2nd Reow)
K20B
K40A
K40B
K20A
SW8753
SW8754
SW8751
SW8752
1
2
29
30
K50A
SC2001
SC2052
R2054
L2052
D2031
R3001
R2001
L3031
C3011
SC8751
SC2021
R2021
L2021
R3013
R2052
C3001
SC3031
R3031
R3022
L3011
R2038
L2031
SC8753
R2053
L3021
C2021
R3032
SC3011
SC2011
R3002
R2031
C2011
L2011
R3011
C2031
C2052
SC3001
C3021
L3001
L2001
R3003
R2036
SC8754
R2056
C2001
SC2051
SC3021
R3021
R2037
C3031
L2051
C2051
R2057
R2011
SC8752
SC2031
R3012
R2051
A30C5
1AA4B10C6090C
??? ***
A SIDE(1st Reow)
SW2100
IC8710
IC2100
A30C5
1AA4B10C6090C
??? ***
B SIDE(2nd Reow)
SW2100
IC8710
IC2100
R2101
R8731
R2100
1
4
K2110
1
10
K2100
A30C5
1AA4B10C6090E
??? ***
A SIDE(1st Reow)
SW901
A30C5
1AA4B10C6090E
??? ***
B SIDE(2nd Reow)
SW901
1
3
K690
A30C5
1AA4B10C6090F
??? ***
A SIDE(1st Reow)
A30C5
1AA4B10C6090F
B SIDE(2nd Reow)
1
4
K48E
1
4
5
8
IC4831
R4832
C4834
C4832
C4831
C4833
R4833
R4831
A30C5
AV (SIDE : B)
BUZZER (SIDE : B)
SECONDARY
BATTERY
MAIN
"K8B"
LAMP COVER SW (SIDE : A) LAMP COVER SW (SIDE : B)
MAIN
"K8S"
TEMP (SIDE : A) TEMP (SIDE : B)
MAIN
"K8S"
AV (SIDE : A)
SELECT
ZOOM-
VOLUME+
VOLUME-
ZOOM+
MENU
INPUT
POWER
KEYSTONE
1AA4B10C6090G
??? ***
A SIDE(1st Reow)
C6801
C6802
C6803
SW6800
SW6801
SW6802
SW6803
SW6804
SW6806
SW6807
SW6808
D6801
D6802
D6803
D6804
R6800
R6801
R6802
R6804
SW6811
R6806
R6807
R6808
R6809
R6811
R6812
R6821
R6822
A30C5
1AA4B10C6090G
??? ***
B SIDE(2nd Reow)
5
1
K6801A
A30C5
KEY SW (SIDE : A)
KEY SW (SIDE : B)
MAIN
“K8K”