Philips CDR796 Service Manual page 32

1 2 3
DISPLAY BOARD
A
B
-30V
-12V
3400
FLD32
3401 68K
FLD33
-12V
68K 3402
FLD34
-27V
3403 68K
FLD35
-27V
68K 3404
FLD36
C -27V
3405 68K
FLD37
-27V
68K
FLD38
FLD39
3408
-27V FLD40
68K
FLD41
-27V
3410
-27V FLD42
D
68K
FLD43
-27V
68K 3412
FLD44
-27V
3413
FLD45
-27V
68K
FLD46
-27V
FLD47
FLD48
E
3508 FLD49
2,5V
+uP
10K
FLD50
3509
FLD51
10K
1413
D
3521 F400
1 TXD0|FLD52
100R 3522 F401
2 RXD0|FLD53
F402
3523 100R
3 CLK0|FLD54
100R 3524 F403
4 CTS0|RTS0|FLD55
F
100R
5
F404
6
CNVSS
7
RESET
AVSS
8 D
+uP F405
VSS2
FE-BT-VK-N
VSS1
Flash connector for
flash version of uP only
G
D
GNDK0 GNDK1 GNDK2
Communication
+5VST
5V
IR EYE
0V
4,8V 2 7403
3513
+5VST
VSUP
470R 3440
1 4,8V
H OUT
D
GND MT
+uP
3 4
7409 5V
D D
M24C01 8
1
VCC
E0
2
E1
EEPROM
5V
3484
3 5 I2C_Data_CDR
E2 SDA
470R
D 5V 6
+uP
SCL
I
7
WC_
VSS
4
D D
3485
470R
1 2 3
7-2
4 5 6
STEP ALBUM PLAYLIST MP3
CD PLAYER
1X 2X DIG LINE
4X 8X OPT MIC
3474
55 54 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37
F410
+F
2R2
D
P20
P21
P22
PORT P0
P23 PORT P1
P24
FTD DRIVER
P25
P26
P27
RAM ROM
P30
P31
P32
P33
P34
CPU
P35
P36
P37
P40
P41
P42
P43
P44
P45 PORT 7 PORT P8
P46
P47
2400
100n D
F409
1K
D
0,7/0V
7416
BC847B
3506
10K
4 5 6
7 8 9
7402
TIME TRACK TOTAL REM REC TRACK TIME
-30V
REP TRACK DISC ALL PROG SHUFF
CD RECORDER
L
CDTEXT CD R W
REC
EDIT FINALIZE
R
36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 2 1
F406
D
FLD7 -12V
P8
P67
FLD6
-12V P7
P66
FLD5
-12V P6
P65
PORT 5 pins 41-88 measured in
FLD4 -12V P5
P64
ServiceTestprogram - DISPLAY TEST
FLD3
-12V P4 (all segments and flags on)
P63
FLD2 -12V
P3
P62
FLD1
-12V P2
P61
FLD0 -12V
P1
P60
7414
M30218MAFP
-30V
VEE
VCC1
F407
+uP
5V
VCC2
AVCC
VREF
D 1400
10MHz
XIN
2,3V
CSTS
CLOCK
XOUT
2,5V
D
F408
5V
RESET_
RESET
FLASH RESET to 1413
5V
AN7 3443
Key0
P107
470R 3444
5V
AN6 Key1
P106
3445 470R
AN5 5V
Key2
PORT P9 P105
3V 470R 3446
AN4 NTC
P104
6434
470R
AN3 5V
P103 Power_ON
1N4148
5V 1K
AN2
P102 3430 470R
3499
AN1 5/0V 3447
Fan
P101
5V 3448 470R
AN0
PDWN
P100
470R
D
+5V +5V
REC COPY
0,7/0V
3505 3477
470R 3478 470R
7406
10K
BC847B
D D
KEY LIGHTING
7 8 9
7-2
10 11 12
UL_Speedselect
UL_Drawer_in
-F
UL_Drawer_out
UL_SW_Info
PDWN Power Down
D
5400
typ. 5V +uP
Fan
2u2
Power_ON
+uP
D
typ. 5V +5VST
3516
typ. 5V +5V
NTC (switching threshold
2R2
typ. 2,1V on, 2,3V off)
typ. -30V -30V
-F
4,8 –0,45V
floating
+F
D
-30V
IRQ_CDR
Reset_CDR
RESET
I2C_Clk_CDR
+uP +uP
D I2C_Data_CDR
3471
5V 7405
BC847B
1K
3472
0V
D D
220K
D
D D
D D D
Use service testprogram: QUARTZ TEST
oscillator frequency can be measured
at this point (10 MHz. divided to 1220 Hz)
+uP
+uP
+uP
Key2
2405
2404
1n 1n
3466
270R
1438 1427
F428 F429
>>
DISPLAY
CD
1439 1424
F430 F431
<<
SHUFFLE
CD
1441 1423
F435 F433
ALBUM +
INPUT LED_DRAWER_CDR
CD
3496
1436 1422
F434
4K7
0,8/0V
ERASE CD
ALBUM -
CD
7412
1425
BC847B
F436
LED_DRAWER_REC
3495
PLAY/PAUSE
CDR 10K
1426 0,8/0V
F438
GNDK0
STOP CDR
LED_ON_OFF
1432 LED_Speed
F440
ALBUM -
CDR
1433
F442
ALBUM +
CDR
1428
F444
<<
CDR
. . . V
V EVM
GNDK1
10 11 12
13 14
1400 E9 3499 F9
1413 F1 3505 I7
1414 G13 3506 I6
1415 F13 3508 E2
1416 H13 3509 E2
1417 D13 3510 D10
1418 A13 3513 H1
1422 G11 3516 B11
1423 G11 3517 H6
1418 1424 G11 3518 H6
F412
5V A
1425 H10 3519 H6
1
UL Speedselect
1426 H10 3520 H6
F413
5V
2
1427 F11 3521 F2
UL Drawer in
F414 1428 I10 3522 F2
5V
3
UL Drawer out
1429 F12 3523 F2
F415
5V
4 1432 H10 3524 F2
UL SW Info
1433 I10 5400 B11
F416
5V
5
+5V 1434 F13 6400 A10
F417
1435 F13 6429 I7
4,9/0V
6
Fan
1436 G10 6431 I8
F418
4,5V
1438 F10 6434 F9
7
Power_ON
1439 G10 7402 A9
F419
8
GND 1441 G10 7403 H3
B
2400 H4 7405 D11
9
GND
D 2401 H4 7406 I8
F420
5 –0,25V
2404 F10 7409 H1
10
+5V_ever
2405 F11 7412 H12
F421
5 –0,25V
11
+5V 2406 D10 7413 G13
F422 2407 D9 7414 B8
3V at 22 C
12
NTC
2408 E9 7416 I6
F423
-29,3 –2,2V
13 2409 E10 F400 F2
-30V
2410 E10 F401 F3
F424
typ. -25V
14
-F 2411 D11 F402 F2
F425
2412 E11 F403 F3
typ. -20V
15
+F
2413 A4 F404 F3
C
2414 A9 F405 G3
FFC
2415 B11
F406 A9
2416 H1 F407 D9
2418 C11 F408 E9
D 2420 D12 F409 H4
2422 F12 F410 A4
2423 E12 F411 G4
1417
2424 D12 F412 A13
F465
5V
1
IRQ
2426 D13 F413 A13
F466 3400 B1 F414 A13
3,3V
2
Reset
3401 C1 F415 A13
F464
5V
D
3 3402 C1 F416 A13
I2C_CLK
3403 C1 F417 B13
F463
4
D GND
3404 C1 F418 B13
F462
3405 C1 F419 B13
5V 5
I2C_Data
3406 F2 F420 B13
6
3408 D1 F421 B13
GND
D
3410 D1 F422 B13
FE-ST-VK-N
3412 D2 F423 C13
3413 D1 F424 C13
D
3420 G4 F425 C13
3421 H4 F426 G5
3423 G5 F427 G4
f o E
3424 H8 F428 F10
3425 H6 F429 F11
3426 G7 F430 G10
3427 H7 F431 G11
3428 H7 F432 I6
3429 G7 F433 G11
3430 F9 F434 G10
3431 H4 F435 G10
3433 G5 F436 H10
3434 G6 F437 I7
3435 H7 F438 H10
F 3436 H7 F440 I10
3437 H7 F442 I10
1415
3438 G3 F444 I10
3467 5V
F458
1
Key2«
3439 H3 F452 G13
390R
3440 H3 F453 H13
0V 2
GND
3442 G9 F454 G13
3443 E9 F455 H13
EH-B
3444 F9 F456 H13
3445 F9 F457 I13
3446 F9 F458 F13
3447 F9 F459 I13
3448 F9 F460 I13
G
GNDK2 3449 F10 F461 I13
3450 F10 F462 D13
1414
F454 3451 G10 F463 D13
0,4V
4
LED blue
3452 G10 F464 D13
F452
7413 3453 G10 F465 D13
3
LED red
BC847B
3454 H10 F466 D13
2
3455 H10
GND
D
3456 H10
D
1
+5V
3457 I10
+5V F453
1,6V
3458 I10
FMN
3459 I10
3460 F11
H
3461 F11
D 3462 G11
3463 G11
1416
3464 G11
4,9/0V F455
1
LED ON/OFF 3465 F12
F456 3466 F12
4,7/0V 2
LED SPEED
3467 F13
F460
0V 3 3471 D10
GND-Key
3472 E11
F459
5V
4
Key0 3473 E11
5V F457 3474 A4
5
+5VST
+5V
3475 A9
I
F461
6 3477 I8
GND
3478 I7
D
3479 H11
FE-ST-VK-N
3480 G13
3484 I2
3485 I2
DC VOLTAGES MEASURED IN STOP MODE
3486 I2
UNLESS STATED OTHERWISE
3487 I2
... /...V on/off
3488 B13
Display CDR79x, 260302
3494 F12
3495 H12
13 14 3496 G12