Philips MRD300/37/78 Service Manual page 27

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CIRCUIT DIAGRAM (1)- MAIN BOARD
1
2
A
B
C
D
E
1
2
8-3
3
4
Only For SCART
3
4
5
6
7
5
6
7
8-3
C201
B6
C801
A2
IC801
A4
R801
C202
B6
C802
A2
IC802
B2
R802
C203
B6
C803
A3
JK801
A8
R803
8
C204
B6
C804
A1
JK802-A A8
R804
C205
B6
C805
B2
JK802-B B8
R805
C206
B6
C806
A2
JK805
E1
R806
C207
B6
C807
A2
L187
E3
R807
C208
B5
C808
A3
L201
E5
R808
C209
B5
C809
B3
L202
C7
R809
C212
B5
C810
A3
L203
D1
R810
C214
B5
C811
A3
L204
D2
R811
C215
B5
C812
A3
L205
E2
R812
C216
B5
C813
A3
R813
L206
B7
A
C217
B5
C814
A3
L207
D7
R814
C218
B5
C815
A3
L351
B8
R815
C221
C5
C816
A3
L352
B8
R816
C222
C5
C817
A4
L801
A2
R818
C223
C4
C818
A4
L802
A2
R819
C224
C4
C819
A4
L803
B2
R820
C225
C5
C820
A4
L804
A7
R821
C226
C5
C821
A4
L805
A7
R822
C227
C4
C822
A4
L806
A7
R823
C228
C4
C823
A4
L807
A7
R824
C229
C4
C824
A4
L808
B7
R825
C230
C4
C825
A5
L809
A8
R826
C231
C4
C826
A5
L810
A8
R827
C232
C5
C827
A5
L811
A8
R828
C233
C4
C828
B4
L812
A8
R829
C234
C4
C830
B4
L813
A8
R830
C235
C4
C831
B4
L814
B8
R831
C236
D4
C832
B5
L823
A7
R832
C237
D4
C833
B3
Q801
A2
R833
B
C238
D4
C834
C3
Q802
A2
R834
C239
D4
C835
C3
Q803
B2
R835
C240
D4
C837
E2
Q804
B2
R838
C241
D4
C840
E1
Q805
A2
R840
C242
D4
C841
E1
Q806
A3
R845
C243
D4
R850
C844
A7
Q811
C3
C244
D4
C845
A7
R201
B6
R852
C245
D4
C846
A7
R202
B6
R853
C246
D6
C847
A7
R203
B6
R854
C247
D6
C848
A7
R204
B6
R855
C248
E5
C849
A7
R205
B6
R865
C249
E8
C850
A7
R206
B5
RA351
C250
E8
C851
A7
R207
B5
RA352
C251
E8
C852
B7
R208
C4
RN201
C252
E8
C853
B7
R210
C5
RN202
C253
E8
C854
A8
R211
C5
RN203
C254
E8
C855
A8
R212
C5
RN204
C255
B7
C856
A8
R213
C5
RN205
C
C256
B7
C857
A8
R214
C5
RN206
C257
B6
C858
A8
R215
C5
RN207
C259
C3
C859
B8
R216
C5
RN208
C260
D3
C2001 E5
R217
C5
RN210
C261
D3
C2002 E5
R218
C5
RN211
C262
D3
C2003 E5
R219
C5
SW804 C1
C263
D3
C2004 E5
R220
C5
XL201
C264
D3
C2005 E5
R221
C5
ZD801
C265
D3
C2006 E5
R223
D6
ZD802
C266
D3
C2007 E5
R224
D6
ZD803
C267
E3
C2008 E5
R225
D6
ZD804
C268
D3
C2009 E6
R226
D4
ZD805
ZD806
C269
C2
C2010 E6
R227
D4
C270
C2
C2011 E6
R228
D4
ZD807
C271
D1
C2012 E6
R230
D6
ZD808
C272
D1
C2013 E6
R231
E5
ZD809
C273
D1
C2015 E5
R232
D5
ZD810
C274
D1
C2016 E5
R233
E7
D
C275
D2
C2017 E5
R234
E7
C276
D2
C2018 E5
R235
E8
C277
D2
C2019 E5
R236
E8
C278
E1
C2020 E5
R237
E8
C279
D1
C2021 E6
R242
C8
C280
D1
C2022 E6
R243
C7
C281
D1
C2023 E6
R244
B7
C282
D2
C2024 E6
R245
B7
C283
E1
C2025 E6
R246
B7
C284
E2
C2026 E6
R247
B7
C285
D2
C2027 E6
R248
D8
C286
E2
C2028 E6
R249
D8
C287
E2
C2029 E6
R250
D3
C288
E3
C2030 E6
R251
D3
C289
B6
C2031 E6
R253
D1
C290
B6
C2032 E6
R255
D2
C351
B8
CN801 A1
R256
D2
C352
B8
CN802 B1
R257
E1
C353
B8
CN803 C1
R258
D1
E
C354
B8
D801
B2
R259
D1
C355
B8
D802
A2
R262
D1
C356
B8
D803
B3
R263
D1
C357
B8
IC201
C6
R351
B7
C358
B8
IC202
C8
R352
E7
C359
B8
IC203
E7
R353
E7
C360
B8
IC204
D6
R354
E7
C361
B8
IC205
D4
R355
E7
C362
B8
IC206
D3
R356
E7
C363
B8
IC207
D3
R357
E7
8
C364
B8
IC208
D1
R358
E7
C365
B8
IC209
D2
R359
E7
C366
B8
IC210
D1
R360
E7
C367
B7
IC351
B8
R363
E7
A1
A2
A2
A3
A3
A4
B5
B2
B2
B2
B2
B2
B2
B2
C2
C2
C2
B2
B3
B2
B3
B3
B3
B3
B3
B3
B4
B3
B3
B3
B3
C3
B2
B3
E1
E1
A6
A6
A7
A7
A7
A7
B7
B7
B7
D6
D6
D6
D6
D6
D6
D6
E8
B7
D3
E5
A7
A7
A7
A7
A7
A7
A7
A7
B7
B7

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