Philips DVP3236/94 Service Manual page 35

5
MAIN BOARD SCHEMATIC DIAGRAM 2/4
D
C
MUTE
Q219 Q219
BT3906 BT3906
R273 R273 10R 10R
2 3
D5V
R2D1 R2D1
1K 1K
R275 R275
MUTEC Q208 Q208
MUTEC 1
BT3904 BT3904
10K 10K
D5V
D204 D204 LL4148 LL4148
+12VI
1 2 2 3
+ + C282 C282 Q210 Q210
470uF/10V 470uF/10V BT3906 BT3906
R279 R279 10K 10K
Q211 Q211 BT3906 BT3906
2 3
R281 R281
D205 D205 47K 47K R286 R286
LL4148 LL4148 470R 470R
+ + C286 C286
47uF/25V 47uF/25V
B
+12VA
+12VA R297 R297
+ +
C293 C293
R298 R298 100uF/16V 100uF/16V
20K 20K
+6VA
C294 C294
R299 R299 100uF/16V 100uF/16V
24K 24K + +
C295 C295
0.1uF 0.1uF
A
5
4
-12V
R278 R278
100K 100K
MUTE
R282 R282
100K 100K
220R/0805 220R/0805
+12V
APWM_AMPR-
APWM_AMPL-
4
3
R248 R248 82K 82K
C264 C264
10uF/16V 10uF/16V R249 39K R249 39K R250 R250 2.4K 2.4K
C265 C265 39pF 39pF R251 R251 15K 15K
APWM_R-
C266 C266
1.2nF 1.2nF U205A U205A
OP- LM4558 LM4558
2
1
+6VA OP+ 3
R255 R255 82K 82K
C268 C268
10uF/16V 10uF/16V R256 39K R256 39K R257 R257 2.4K 2.4K
C269 C269 39pF 39pF R258 R258 15K 15K
APWM_L-
C270 C270 U205B U205B
1.2nF 1.2nF LM4558 LM4558
OP- 6
7
+6VA OP+
5
+12VA
C272 C272
0.1uF 0.1uF
R262 R262 82K 82K
C273 C273
10uF/16V 10uF/16V R263 39K R263 39K R264 R264 2.4K 2.4K
C274 C274 39pF 39pF R265 R265 15K 15K
APWM_SR-
C275 C275 U206A U206A
1.2nF 1.2nF OP- 2 LM4558 LM4558 C276 C276
1
+6VA OP+
3
R269 R269 82K 82K
C277 C277
10uF/16V 10uF/16V R270 39K R270 39K R271 R271 2.4K 2.4K
C278 C278 39pF 39pF R272 R272 15K 15K
APWM_SL-
U206B U206B
C279 C279 LM4558 LM4558
1.2nF 1.2nF OP- C280 C280
6
7
+6VA OP+ 5
+12VA
C281 C281
0.1uF 0.1uF
R280 R280 82K 82K
C283 C283
10uF/16V 10uF/16V R283 39K R283 39K R284 2.4K R284 2.4K
C284 C284 39pF 39pF R285 R285 15K 15K
APWM_LFE-
C285 C285
1.2nF 1.2nF U207A U207A
OP- LM4558 LM4558 C287 C287
2
1
+6VA OP+ 3
R290 R290 82K 82K
C288 C288 39K 39K
10uF/16V 10uF/16V R291 R291 R292 R292 2.4K 2.4K
C289 C289 39pF 39pF R293 R293 15K 15K
APWM_CEN-
C290 C290 U207B U207B
1.2nF 1.2nF LM4558 LM4558
OP- 6 C291 C291
7
+6VA OP+
5
+12VA
C292 C292
0.1uF 0.1uF
R2A1 R2A1 62K 62K
C296 C296
10uF/16V 10uF/16V R2A2 39K R2A2 39K R2A3 2.4K R2A3 2.4K
C297 C297 39pF 39pF R2A4 R2A4 15K 15K
C298 C298
1.2nF 1.2nF U208A U208A
OP- LM4558 LM4558 C299 C299 10uF/16V 10uF/16V
2
1
+6VA OP+
3
R2A7 R2A7 62K 62K
C2A1 C2A1 39K 39K
10uF/16V 10uF/16V R2A8 R2A8 R2A9 R2A9 2.4K 2.4K
C2A2 C2A2 39pF 39pF R2B1 R2B1 15K 15K
C2A3 C2A3 U208B U208B
1.2nF 1.2nF LM4558 LM4558
OP- C2A4 C2A4
6
7
+6VA OP+ 5
+12VA
C2A5 C2A5
0.1uF 0.1uF
Page 33 of 51
3
2
C267 C267 10uF/16V 10uF/16V
R252 R252 1K 1K
FR_OUT
R253 R253
R254 R254
10K 10K MUTE 1 Q205 Q205
KTC3875 KTC3875
510R 510R
C271 C271 10uF/16V 10uF/16V
R259 R259 1K 1K
FL_OUT
R260 R260
10K 10K
R261 R261
MUTE Q206 Q206
1
KTC3875 KTC3875
510R 510R
10uF/16V 10uF/16V
R266 R266 1K 1K
SR_OUT
R267 R267
10K 10K
MUTE Q207 Q207
1
KTC3875 KTC3875
R268 510R R268 510R
10uF/16V 10uF/16V
R274 R274 1K 1K
SL_OUT
R276 R276
MUTE
10K 10K 1
Q209 Q209
R277 510R R277 510R KTC3875 KTC3875
10uF/16V 10uF/16V
R287 R287 1K 1K
LFE_OUT
R288 R288 MUTE Q212 Q212
1
10K 10K KTC3875 KTC3875
R289 510R R289 510R
10uF/16V 10uF/16V
R294 R294 1K 1K
CEN_OUT
R295 R295
10K 10K MUTE Q213 Q213
1
KTC3875 KTC3875
R296 510R R296 510R
R2A5 R2A5 1K 1K
AMP_R
R2A6 R2A6
10K 10K MUTE Q217 Q217
1
KTC3875 KTC3875
R2C8 510R R2C8 510R
10uF/16V 10uF/16V
R2B2 R2B2 1K 1K
AMP_L
R2B3 R2B3
10K 10K MUTE 1 Q218 Q218
KTC3875 KTC3875
R2C9 510R R2C9 510R
2
1
D
C
B
A
1