Philips DVD 950 Service Manual page 30

Electrical diagrams and Print-layouts
Power supply
POWER SUPPLY 20PS203
0101 B 1 0205 H16 0206 J13 0207 C16 2102 H 2 2111 G 7
0101 A 1 0205 I16 0206 K13 0207 F16 2103 H 2 2113 H 7
0205 E15 0205 I16 0207 A16 0207 D16 2104 I 2 2114 I 7
0205 E15 0205 C15 0207 A16 0207 F16 2106 K 2 2120 B 3
0205 D15 0205 D15 0207 B16 1120 A 2 2107 J 3 2121 B 6
0205 B15 0205 A15 0207 C16 1125 A 3 2109 J 4 2125 A 4
0205 D15 0205 I16 0207 D16 2101 G 2 2110 J 4 2126 B 4
1 2 3 4
A
F103
3124
1125
220R
F101 F104
1120 3122
2
2R7
T2.5AH250V
0101
5120
3 1
2120
330nF
4 2
F102
B
1
0101
Only for US versions
C
D
E
F
3110
10K
7110
16
G
MC44603P
DEMAGNETIZATION
2101
8 DETECT reference
DEMAGNETISATION
MANAGEMENT
82pF
iref
9 SYNC INPUT VOSC PROT
OSCILLATOR VOSC
2102
10 CT
RF
680pF
15
H STANDBY
22K Vstby
3102
RP
12
STANDBY
STANDBY
3K6
3103
(reduced frequency)
2103
2.5V
VSB OUT
* ERROR
14
AMP
CURRENT
SENSE
VOLTAGE
FEEDBACK
13
I SOFT-START
E/A OUT
CONTROL
FOLDBACK
FOLDBACK CURRENT
INPUT SENSE INPUT
5 7
J
K
1 2 3 4
DVD 950
2127 C 9 2210 E11 2231 D10 2251 C10 3104 I 2 3111 F 6
2129 E 5 2211 E10 2233 B14 2259 C14 3105 I 2 3112 H 7
2131 A 9 2220 F11 2238 E13 2260 D11 3106 K 2 3113 H 7
2132 E 8 2221 F10 2239 E14 2261 C10 3107 J 3 3115 I 7
2133 E 7 2222 F13 2240 B11 3101 G 2 3108 J 3 3116 I 6
2201 I10 2225 G13 2241 A10 3102 H 2 3109 J 4 3120 B 2
2202 I10 2230 E11 2250 C11 3103 H 2 3110 G 4 3122 A 3
5 6 7 8
# 3122 427 21340: 100uF/385V
3122 427 21350: 150uF/250V
3122 427 21360: 150uF/400V
3122 427 21370: 100uF/385V
S1NB80
3132
6120 0.27R
7125
STP3N60FI
2132*
3129 6132
10K
BYD33D
1
Vref iref
supply UVL01
Vref enable
block initialization block
3112
2
VC
150R
3113
Set F110
LATCH OUT 3
BUFFER
33R
=1 Q
Reset
4
GND
THERMAL
SHUTDOWN
Vref Voc
OVER
OVER 3115 6114
6
VOLTAGE VOLTAGE
iref 1K
MANAGEMENT PROTECT
UVL01 BYD33D
Dmax &
Vref
SOFT START
& DMAX
11
5 6 7 8
6. 30
3123 C 5 3131 B 6 3202 I11 3223 H12 3235 E12 3256 D13 5131 A 9
3124 A 4 3132 B 7 3203 K12 3224 G13 3236 E14 3257 C13 5210 F15
3125 C 8 3133 B 1 3204 I11 3225 G13 3237 E14 3258 D14 5222 F15
3126 D 8 3134 D 5 3205 J11 3226 G14 3238 E13 3260 D11 5230 D15
3127 D 8 3135 E 9 3206 J11 3227 G14 3253 C12 4250 B13 5233 B15
3128 D 9 3136 C 6 3221 G12 3228 G15 3254 C11 5120 B 3 5239 D15
3129 E 6 3201 H10 3222 F12 3233 E12 3255 C12 5125 C 8 5240 A15
9 10 11 12
2131
2.2nF
2241 *
6240
5131
ETD29
1 15 BYW29F-200
F107
4250 To be included for DVD2B version @
5 11
-8V
2251
To be left out of DVD2B version @
3253
1nF/1KV
27K
6250
14
7255
BYD33D BC337-40
2261
3255
330pF/1KV
680R
6260
17
10R
BYD33J
3260
7256
BC857
2231 *
+12V
+6V
6230
12
PBYR1080
2211 *
6210 3235
10
3135
15K
7
6R8 PBYR1060
9
13
2221 *
7221
6220
16 I O
BYD33D LM317L
A
18
GNDs GNDs
GNDs
+12V
7223
BC847
GNDs GNDs
7200
CQY80NG
3204
2202
270R
100nF
To be left out of DVD2B version @
F226 0206
-8V
F227 0206
3203
100R
9 10 11 12
5259 C14 6132 E 8 6260 C10 7226 G13 7256 D12
6110 B 6 6210 E10 7110 G 3 7228 G14 7259 C14
6111 C 6 6220 F10 7125 C 8 7233 B14
6113 H 7 6230 D10 7200 H 9 7235 E12
6114 I 8 6240 A10 7201 J10 7236 D13
6120 B 5 6250 C10 7221 F12 7237 E13
6129 E 5 6256 D13 7223 G12 7255 C12
13 14 15 16
F201 F202
+12V
0205 0207
5240 +12V
11 +12V
1
1uH
0207
GND
2
7233 0205 0207
I O 5233
4 +5V Stand By 3 +5V Stand By
10uH
78M05
F203 F204
G
4250
7259 F205 F206 0205
I
O
5259
9 -5V (-8V Stand By)
10uH
79M05 0207
G 6
0207
4 -40V
F207 0205
3256 6256 3258
10 Stand By
470R 10K
0207
BAS16
8 -40V
F208 F209
F210 0205
5230
5 +6V Stand By
10uH
7236 F211
0205 0207
STP16NE06 5239
3 +5V 5 +5V
F212 F213
3238
2238
*
*
7235
BC847
F214 0205
7237
+3V3
KA431LZ
2
0205
5210 +3V3
1
6.8uH
F215
To be left out of DVD2B version @ F216 F217 0207
5222
9 +2V9
10uH
F218 F219 0207
+6V
7 GND +2V9
+6V
GNDs
GNDs
GNDs
7226
3226
BC857
10K
3224 3228
7228
10K 15K
BC847
F220 0205
6
0205
7
0205
8
0205
12 GND
1
@ DVD2B version: 3122 427 21370 used in DVD750/DVD950/DVD955
2
* = RESERVED ITEM NUMBER
13 14 15 16
17
A
B
C
D
E
F
G
H
I
J
K
CL 96532065_042.eps
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