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Philips CDR779 - Page 41

Philips CDR779
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Block diagrams, Circuit diagrams and PWBs
GB 41CDR779 5.
CD main board: Microprocessor part
3329
5
I
9101112 136
1205 F7
1206 D12
1207 E12
1208-1 E13
1208-15 E13
1208-16 D13
1208-17 E13
1208-18 I13
1208-19 H13
1208-20 I13
1208-21 I13
2300 B6
2301 B6
1210-1 A13
3
1322 G9
2304 E12
2306 E11
2307 E12
2309 G8
2320 H13
3300 A4
1210-2 A13
2303 C12
3305 A5
3306 A5
3307 A5
3308 B7
3309 B3
2321 I13
2322 I13
2305
2308
T1
1 456789101112
3326
13
12
3327
7210
7211
3114
3208
3360 E11
TRAY
3344 E12
3345 E12
3346 B4
3350 F1
3351 C3
3352 C4
A
B
C
D
E
F
1208-7 G13
H
I
A
B
C
D
E
F
G
H
3329
ON_TRACK
3115
MUTE
3330
3311
2327 C11
2326 E13
3303 A5
3304 A4
2302 C10
uP3V3
uP5V
3330
3342 C2
3310 B3
3311 B7
3312 C1
3313 C2
3314 D2
3318 D5
2
3319 D5
3320 D7
3328 F7
3331 G7
3332 G9
3333 G9
3334 G8
3335 H7
3337 I7
3339 I7
3327
3326
3355 E5
3356 E5
34
3359 C10
3353 E4
3354 E5
3357 D9
3358 D9
78
G
6201 H9
7005-A F1
7005-C G1
7202 C6
7203 D1
7204 C12
H401 A12
H402 A13
H403 B12
H404 B13
T2
VPROC
3999 A13
3302 A5
2325 E13
+12V
3334
100R
0R
3345
10K
3305
VPROC
1210-1
1
0R
3360
VPROC
100R
3356
3339
10K
47u
2301
2320
47p
MP
1206
1A
F223
100n
F231
VPROC
2327
F250
100R3320
VPROC
F227
+5V
+3V3
F230
10K
3342
F229
1M
3328
1208-20
20
2322
47p
1208-17
17
VPROC
1208-16
16
VPROC
+5V
4
RST
38
VCC
16
VSS
15
XTAL1
14
XTAL2
1A
1207
MP
19
P2-1
20
P2-2
21
P2-3
22
P2-4
23
P2-5
24
P2-6
25
P2-7
5
P3-0|RxD
7
P3-1|TxD
8
P3-2|INT0n
9
P3-3|INT1n
P3-4|T0
10
11
P3-5|T1
12
P3-6|WRn
13
P3-7|RDn
26
PSENn
36
P0-1|AD1
35
P0-2|AD2
34
P0-3|AD3
33
P0-4|AD4
32
P0-5|AD5
31
P0-6|AD6
30
P0-7|AD7
40
P1-0
41
P1-1
42
P1-2
43
P1-3
44
P1-4
1
P1-5
P1-6|SCL
2
3
P1-7|SDA
18
P2-0
S87C654
7202
27
ALE|PROGn
29
EAn|VPP
28
NC1
6
NC2
NC3
39
17
NC4
37
P0-0|AD0
3359
0R
1K
3312
1210-2
2
100R
3354
6201
BAS216
F202
100R
3331
F200
3999
1K
220u
2304
VPROC
HFGND
10u
2302
VPROC
SGND
F220
3355
100R
F208
3313
10K
VPROC
F240
F241
3311
2R2
100n
2326
10K
3332
2325
100n
F226
F224
LD1117
7204
1
GND
3
IN
2
OUT
F209
+3V3
HFGND
F212
F216
3346
10K
3352
0R
H402
1
2
A12V
EVQ21
1322
F221
PGND
10K
3300
F207
3357
1K
1208-1
1
3350
1K
100u
2307
100n
2300
1K
3309
1K
3310
F204
F213
+5VY
F203
3303
F225
10K
100R
3333
F218
F211
+5V
3344
0R
F219
F215
10K
3304
10K
3307
1208-21
21
+5VY
+3V3
10K
3306
10K
3314
3353
100R
VPROC
19
VPROC
+5V
VPROC
A3V3
1208-19
+12V
2
VPROC
VPROC
+5V
H401
1
0R
3351
0R
3358
F242
2306
330n
F210
F214
F222
10K
3302
VPROC
3104 123 4236
PB MAIN CD-4236
CDR99
VPROC
F217
1208-18
18
F201
10K
3337
1
2
H403
1
2
47p
2321
H404
7203
BC848B
7005-C
74HCT08D
9
10
8
14
7
F206
4u7
2309
100n
2303
100R
3318
3335
10K
100R 3319
1208-15
15
1205
CST
7
74HCT08D
7005-A
1
2
3
14
7
2R2
3308
1208-7
MUTE
HFDET
F228
S2
S1
STBY
DSA_RST
MOT_SW
TRAYSW
TRAYIN
TRAYOUT
RW
RESET
MOT_UP
SCL
HOMESW
SDA
LASEROFF
SILD
DSA_STROBE
DSA_STROBE
DSA_DATA
DSA_ACK
T2
T1
CD MAIN BOARD - CIRCUIT DIAGRAM 2
MICROPROCESSOR PART
CONN. 1208 : TO CDR MAIN BOARD
DSA
BUS
25
26
28
27
+5V
+12V
S2 S1
0
0
0
1
11
n=1 disc start up
n=1 disc play
n=2 disc play
29 30
12MHz
CL 96532086_018.eps
080999

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