Philips CDR796 User Manual

Page of 52
7-5
7-5
3553 A3
3554 A4
3555 C2
3556 C4
3557 C2
3558 C3
6450 B2
6451 B4
7450 C3
7451 C4
F470 B1
F471 B1
F472 A1
F473 A1
F474 A1
F475 A1
KEY BOARD
STANDBY
SPEED
(key lighting)
to / from Display Board
1416
1
2
3
4
1
2
3
4
A
B
C
A
B
C
1450 A3
0060 A1
1451 A2
1452 A3
1453 A4
1454 A4
3550 A2
3551 A2
3552 A3
390R
3555
3557
10K
D
KEY
3556
82R
1453
PLA
Y/P
AUSE
CD
10K
3558
3554
10K
3552
1K8
3553
3K9
3551
1K2
3550
820R
1450
O/C_CD
F473
SPEED
ST
ANDBY
-ON
1451
1454
ST
OP
 CD
1452
1
2
3
4
5
6
F470
0060
FE-ST-VK-N
F472
F471
F475
D
F474
D
6450
6451
BC847B
7451
+5V
+5V
LED_ON/OFF
LED_SPEED
KEY_0
+5V
7450
BC847B
LST770-KL
LBT776-K1L1
Key Board CDR79x, 260302
red
blue
EVM
. . . V 
V
DC VOLTAGES MEASURED IN
STOP MODE
UNLESS STATED OTHERWISE
... /...V  on/off
5 –0,25V
5 –0,25V
4,7V/0V
4,9V/0V
0,7V/0V
on=0,1V
0,7V/0V
on=0,1V
3103 303 3483.2
KEY Board / copperside view
Key Board stage .2 CDR79x, 030402
  0060  A1   
  1450  B1   
  1451  A1   
  1452  A3   
  1453  A3   
  1454  A4    
  3550  A2   
  3551  B2   
  3552  B2   
  3553  A3   
  3554  A3   
  3555  A2   
  3556  B3   
  3557  A1   
  3558  B2   
  6450  B2   
  6451  B3   
  7450  A2   
  7451  A3   
  9451  A2   
  9452  B3   
F482 D2
F480 C2
F481 C2
1414
blue
3x LBT776-K1L1
1
2
3
4
5
6
1
2
3
A
B
C
D
A
B
C
D
1460 C2
3570 C5
3571 C5
from Display Board
 red
4x LST770-KL
LIGHTGUIDE BOARD
(Rec. Indicator)
3572 C6
3573 B3
3574 B3
3575 B4
3576 B4
6462 B3
6463 C5
6464 B3
6465 C5
6466 B4
6468 C6
6469 B4
F481
4
5
6
F480
F482
390R
3575
3576
390R
3574
390R
120R
3572
390R
3573
3570
270R
270R
3571
6469
6465
6468
6464
6466
6463
6462
3
4
FMN
1460
2
1
+5V
+5V
LED_red
+5V
LED_blue
Lightguide Board CDR79x, 270302
EVM
. . . V 
V
DC VOLTAGES MEASURED IN
STOP MODE
UNLESS STATED OTHERWISE
5 –0,25V
on=1,6V
on=0,4V
Lightguide Board/ copperside view
LED red
LED blue
GND
+5V
1460
Red
Red
Red
Red
Blue
Blue
Blue
Lightguide Board stage .2 CDR79x, 270302
  1460  A1
  3570  D1   
  3571  D1   
  3572  E1   
  3573  E1   
  3574  C1   
  3575  D1   
  3576  E1   
  4461  A1   
  4463  A1   
  6462  E1   
  6463  D1   
  6464  C1   
  6465  D1   
  6466  D1   
  6468  E1   
  6469  E1  
4461
4463
3574
3571
3575
3573 3572
3576
3570