Ga (2/2) - Sony VPL-PX20 Service Manual

• Refer to page 9-38 for Printed Wiring Board
• Refer to page 9-39 for IC Block Diagrams
1
R2140
4.7
:FPRD
A
D2111
1S2836
R2135
270k
R2139
1/2W 2.2
:CHIP
:FPRD
R2134
270k
R2136
2 1/2W
47k
:CHIP
:CHIP
B
(P1) C2165
R2137
JL2133 0.01
#
# B:CHIP
R2138
100
:CHIP
0.3
JL2135
#
Q2103
5.8
2SC2712
POWER ON
C
C2115
0.1
B:CHIP
5.8
3
D
R2141
6.8
:CHIP
D2112
C2114
47 UDZ8.2B
25V CLAMP
4
5
A B
D2126
D2FL20U
RECTIFIER
D2118
D2121
P6KE200A
FMG-G2CS
D2125
NOISE FILTER
NOISE FILTER
T2101 D2FL20U
SRT RECTIFIER
D2113
RD12M 7 1
C2176
CLAMP
390
35V
D2117
6 3
C2117 D2FL20U
220 RECTIFIER
C2127
25V IC2102
180
TOP223Y-BB
5 2 35V
PWM CONTROL
R2144
-175
22
5.8
:CHIP
C D 9 4
D2116
R2143 S
6.8 UDZ8.2B
:CHIP CLAMP
8
C2119
0.1
C2116
B:CHIP
47
D2122 R2153
25V
P6KE350A 100
:CHIP
CLAMP
4 1
R2181
0 1.1
100
:CHIP 3 2
PH2101 C2126 R2152
PC123FY2 0.1 1k
ISOLATER B:CHIP :CHIP
D2120
P6KE300A
CLAMPER
R2145
82k
3W
:RS
T2100
R2146 R2147 C2121
82k 82k SRT
0.022
3W 3W 400V
:RS :RS
16
D2119
FMG-G2CS
IC2101
1000V,3A
TOP224Y-BB
NOISE FILTER
PWM CONTROL 2 15
D2127
C2118
FCQ20A06
# 480
RECTIFIER
C D
S 3 14
D2115
P6KE300A
CLAMP 4 13
D2114
P6KE350A
CLAMP 5 12
C2122 D2124
0.1
D1FL20U
B:CHIP
6 11
D2129
D10SC9M
RECTIFIER
7 10
D2128
D2FS6
8 9
RECTIFIER
R2180
100
:CHIP
4.5
4 1
R2142
220 4.8
R2149
:CHIP 3.4 390
A+6V
3 2
:CHIP
4.0 PH2100
PC123FY2
ISOLATER
R2148 R2150 R2085
1k 390 390
:CHIP :CHIP :CHIP
R2151
2.4
47k
:CHIP
8 7
REF A
C2125
IC2103
0.01
TL431BCDR2
B:CHIP
SHUNT REGULATOR
K
A
1 2
3.4
C2124 C2175
4.7 4.7
16V 16V
:CHIP :CHIP
C

GA (2/2)

GA (2/2)
SUB +5V
A+6V
R2197
1k
:CHIP
R2198
10k
:CHIP
D2134
L2105 L2106
D5LC20U
47µH 47µH
RECTIFIER
:LAGE :LAGE
D2135 D2136
D5LC20U D5LC20U
RECTIFIER RECTIFIER
L2101 L2109
A+6V
10µH 10µH
:LAGE :LAGE
C2128
+18V
3900 R2154
25V 2.2k
:AL 1W
:RS
D2132
D10SC9M
RECTIFIER
C2129
470
D2131
25V
D2FL20U :AL
RECTIFIER
D2130
L2102
L2103 R2155
D2FL20U A-7V
100µH
100µH 2.2k
RECTIFIER :MID
:MID 1W
:RS
R2160
33k
:RN-CP
R2161
150
R2158
:CHIP
22k
:RN-CP
D2133
R2157
UDZ27B
4.7k
OVP
:RN-CP
R2159
4.7k
:RN-CP
6 5
A
R2156
4.7k
:RN-CP
A
3 4
9-40 9-40
D E
IC2104
µPC393G2-E2
POWER PROT
R2185
10k
D2142
:CHIP
MA111
OR
R2191
100k
:CHIP
D2144 D2143
5 6 7 8
MA111
MA111
OR OR
R2190 C2110
0.1
2.2k
B:CHIP
:CHIP
R2184
10k
:CHIP
R2192
D2149 4 3 2 1
R2195 D2145 100k
UDZ2.2B
5.6k R2193 MA111 :CHIP
CLAMP
:CHIP 10k OR
:CHIP R2186
R2188 R2187 2.2k
R2194 470 4.7k :CHIP
10k :CHIP :CHIP
R2196 :CHIP D2146
D2147
MA111
22k
R2189 UDZ2.2B
:CHIP OR
15k CLAMP
:CHIP
D2148
UDZ3.3B
CLAMP
+17.5V
C2131 R2162
2.2k
1800 D2137
35V 1W
D5LC20U
:AL :RS
RECTIFIER
D2140
D2FS6
L2108
L2107 CLAMPER
47µH
47µH
+11.7V
:MID
:MID
C2132 R2163
1800 2.2k
35V 1W
D2139
D2138 :AL :RS
D5LC20U
D5LC20U
RECTIFIER
RECTIFIER
(CONVERTER)
F
SUB
1
SUB
JL2107 2
#
3 SUB
CN2106
JL2108 4 GND 2 8P
# :B-TO-B
GND 2
5
TO GC CN2500
GND 2
JL2109 6
#
POWER ON
7
JL2110
#
8 POWER PROT
R2182
Q2108
47k
2SC2712
:CHIP 0
POWER PROT
0.6 Q2107
2SC2712
0.6
0
POWER PROT
0
0
R2183
10k
:CHIP
CN2105
4P
RED
JL2111 :S-MICRO
#
TO K CN600
1 AUDIO+B
TO K CN2901
2 GND
3 AUDIO+B
TO QA CN808
4 GND
JL2112
#
JL2113
1 A6V
#
A6V
2
JL2114
3 GND
# CN2104
8P
4 GND
WHT
:S-MICRO
JL2115
5 17.5V
#
TO C CN600
6 17.5V
JL2116
GND
7
#
8 GND
1 A6V
JL2117
#
2 A6V CN2103
5P
JL2118
GND
3 BLK
#
:S-MICRO
JL2119
4 A-7V
#
TO BB CN308
5 GND
JL2120
#
1 18V
18V
2
3 18V
CN2102
4 18V
JL2121 8P
# :B-TO-B
5 GND
TO GD CN2700
6 GND
GND
7
8 GND
L2120
22µH
JL2122
1 6V
#
C2170
C2171
2 6V
180
0.1
10V
B:CHIP 6V
3
:AL
CN2101
6V
4 8P
:B-TO-B
JL2123
GND
5
# TO GB CN2300
6 GND
7 GND
GND
8
GA(2/2)
B-SS1696<08.>-GA.-P2
VPL-PX20/PX30
G H