Electrical Diagrams And Pwb's; Large Signal Panel: Main Supply - Philips em2e Service Information

Electrical Diagrams and PWB's

Electrical Diagrams and PWB's

Large Signal Panel: Main Supply

1 2
MAIN SUPPLY
1001
DSP
0001
1501
A
T4AH-250V
1 4
2 5504 3
5503
3521
4M7
B
0010
FROM
0202 OF
2
1
OR
FROM
0202 OF
K
C
TO
DEGAUSSING
COIL
0020
1
2
D
3516
+t
E
1 2
EM2E AA 02.02
3 4
FROM P1
+375V
0062 OF
Y 1503
3513
F2,5AH-250V 330K
9502
(314V)
P3
2509
300V
160V
2n2 7504
9506
3500 6501
1R5
1N5062 (COL)
156V
(4.7V)
P2
145V
2540
100n
6504
TO
145V
0V
1N5062 (COL)
0301 OF
(NOT FOR EUROPE)
3503
3502
4M7
4M7
0003 1003
0002
1
CU150040
CU150040
TO
1201 OF
(COLD)
DEG1
0.44V
DEG2
NORMAL
STANDBY ( )
P1 +375V P2 7504_S P3 7504_G
50V / div DC 50V / div DC 50V / div DC
2ms / div 2us / div 2us / div
P4 7502_B P5 7505_K
P6 VBATT=140Vdc
7529
P7 Sound Supply =33Vdc
BC847B
0.2V / div DC 2V / div DC
2us / div 2us / div
MAIN SUPPLY REPAIR KIT: 3122 785 90100
3 4
3
5 6
(TO )
(HOT)
6510
2518
142V
149V
47p
BZX55-B15
2503
3511
3K9
33n
156V
141V
7502
P6
BF487 0.9V
VBATT
P4
0.44V
2n2 0.14V
2502
0V
142V
0.15V
0.14V
3520
33K
2513
10.5V
470p
P5
3525
BC857B
10.5V
1
7505
47R
7506
11.1V
TL431CLP
0.9V
3
3519
2.6V
0.44V
22K
2 3526
0.14V
0R1
3542
GND-STB
-19.5V 0R15
-23.1V
6517
3533
15R
BAT85
-20V
-19.5V
5 6
7 8
(COLD) (2.8V)
32.7V
0V
6507
(SOUND - SUPPLY)
BYV28-200/20
5506
2519
5 6
2n2
4 7
3 8
9
1 10
GND-AUD
6509
3546
4K7
BYD33D
GND-SSP
+11D
3535
7510
BC847B
180K
DEGAUSSING
47K
SWITCH RELAY (5.3V)
3540
5.3V
1002
0V
6512
(5.3V)
BAS216
7528
BC337-25
GND-SUP
STANDBY
(FROM
)
(FROM
7 8
0001 A2 3536 B8
0002 C2 3538 C8
0003 C3 3540 C7
0010 B1 3542 E6
0020 D2 3543 A5
0037 A3 3544 B4
1001 A2 3545 C7
+28V
1002 D8 3546 B7
1003 C4 5503 B2
1501 A1 5504 A2
P7
1503 A3 5505 B5
A
2501 B4 5506 A6
2502 B5 5510 C3
2503 A6 6501 A3
2505 C3 6502 A3
GND-SSP
2507 A1 6503 B3
7501
2508 A3 6504 B3
BC857B 2509 A3 6505 A4
2510 B3 6506 B4
2512 A7 6507 A7
2513 C6 6508 B5
2514 D6 6509 B7
2515 B6 6510 A5
2518 A5 6511 D8
B
2519 A7 6512 D8
2520 B4 6514 B6
2521 C3 6515 B4
2523 A4 6516 E5
2528 E8 6517 E5
2530 E5 6518 D4
2531 D7 7501 A8
TO A7-1
470R
2536 C7 7502 B4
2537 A2 7504 A4
3538 STAND-BY
2538 C4 7505 D4
(POR)
2539 B3 7506 D6
2540 B3 7510 C8
C
2541 B8 7528 D8
GND-SSP
3500 A2 7529 E4
3501 A2 9502 A3
+5.2V 3502 C3 9506 A2
3503 C2
3504 B5
(FROM A2)
3506 B8
3507 D6
3508 A4
(5.1V) 0.2V
3509 A1
DEGAUSS-INPUT
3510 D7
3511 A5
(FROM A7 - 26) D
3512 A5
3513 A4
3514 B4
3515 B5
3516 D2
3517 B8
3518 A4
3519 D4
3520 C5
3521 B1
3522 D5
E
3523 D6
3524 D5
3525 D5
GND-SSP
3526 E6
3527 D7
3528 E8
3529 D8
3530 E4
3531 D4
3533 E5
CL26532071_004.eps
3535 C7
250602