PHILIPS L7.3A AA Service Manual

1

Colour Television Chassis

L7.3A

AA

CL 86532010_001.ai

160298

ServiceManual

Content

1 Technical specifications 2
2 Connection facilities, location of panels 3
3 Safety instructions, Warnings 4

and Notes
4 Mechanical instructions 6
5 Repair facilities 7

Software adjustments and Hotel mode 12
6 Block diagram, 13

Survey of testpoints 14

Diagram supply voltages survey
7 Electrical Diagrams and print lay-outs

Diagram PWB

Main PWB layout 16

Power supply diagram A1 17 16

Main PWB layout 18

Line drive diagram A2 19 18

Sync-frame & vertical drive diagram A3 20 18

Video Processing diagram A4 21 18

Control diagram A5 22 18

Sound processing diagram A6 23 18

Sound amplifier diagram A7 24 18

BTSC decoding diagram A8 25 18

CRT PWB/ Audio sound PWB 26

CRT module diagram B 27 26

Nicam sound panel diagram C 28 26
8 Electrical adjustments 29
9 Circuit Descriptions new circuits 31
10 Directions for use (limited) 38
11 List of abbreviations 46

Published by LV 9864 TV Service DepartmentPrinted in The NetherlandsCopyright reserved 1998 Philips Consumer Electronics B.V. Eindhoven, The Netherlands. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted, in any form or by any means, electronic, mechanical, photocopying, or otherwisewithout the prior permision of Philips.Subject to modification5 4822 727 21566

12 Spareparts list 47

©

Copyright reserved 1998 Philips Consumer Electronics B.V. Eindhoven, The
Netherlands. All rights reserved. No part of this publication may be reproduced,
stored ina retrievalsystem ortransmitted, in any form or by any means, electron­ic, mechanical, photocopying, or otherwise without the prior permision of Philips.

Published by LV 9864 TV Service Department Printed in The Netherlands Subject to modification 5 4822 727 21566

6 Block diagram

13L7.3A

6 Block diagram

CONTROL

A5

V-TUNE

(A4-1)
(A7-2)

VOLUME
MONO/STOBE/BG-L

(A6-3)
(A6-4)

/L-or-BG/

DK

BG

-

STR-SW

BLACK

(A4-5)

/

STA/LL

(A6-6/A7-6)

SID

/

(A6-7/A7-7)
(A6-8)
(A7-9)
(A7-10)
(A6-11)

EXT

INT
STAND-BY
TREBLE
BASS
AV - MUTE

L

OCAL

KEYBOARD

BS 1(A4 - 27)
BS 2

(A4 - 28)
(A6 - 8)

STANDBY

(A1 - 26)

M28

SERVICE

SAM

M29

MODE

(A4 - 13)

CVBS

TXT

-

VIDEO PROCESSING

A 4

(BIMOS 1C)

UV 1336

ONLY FST

SDA

(A4 - 15)

SCL

(A4 - 16)

ONLY VST

BS 1

(A5 - 27)

(A5 - 28)

A1

B

BS 2

MAINS SUPPLY

SK 1

220V˜

7520

MC44603AP

7520

O

SC

4

1
2
3
4
5
6
7
8

9
10
11
12
13

17
18
19
20

LED

21
22
23
24
25
26

I 4 I 7

7

345

92

TUNE

V -

AND SWITCH

(A5 - 1)

!!!

5500

1500

T 5 AH

3

B

UFFER

1

7

8

2

14

P9

1
2
3
4
5
6
7
8

9
10
11
12
13

14
15
16

17
18
19
20
21 32

7601

42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22

7600 (TXT)

I F (A4 - 33)

1015

11

1

I 3

I 5

6016

6015
2016

˜

˜

˜

RF-AGC

6502/05

AC

DC

STH8NA60F

P4

P8

!

3525

3528

2540

3577

52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33

31
30
29
28
27

TDA8374C

48
49

54

2508

7518

7620

NC

7225 - 5A

P1

C1

+5 VD

CHROMA-O/NTSC-SW

C2

EEPROM

RC5

+5 VD

C6

C5

˜

5

4
3

2

3518

6540

9

8

5

4

C3

SDA
SCL

M 25

SERVICE

M 24

SDM
MODE

CHROMA-2 / STATUS

REMOTE

RECEIVER

RESET

X - TAL

HZ

12M

CHROMA-1 / BG/L (A4 - 17)

VFL

FLYBACK

(A2-21/A3-21)

BL_TXT_OSD

R

TXT_OSD

_

G

_

TXT_OSD

B_TXT_OSD

5260

I 1

34

CRT DISCHARGE CIRCUIT

*

!

10

12

6

5574

VIDEO

DET

5545

P3

5573

16

18

6560

14

13

1

3575

2

(A4 - 14)
(A4 - 15)

(A6 - 15)
(A7 - 15)
(A8 - 15)

(A4 - 16)
(A6 - 16)
(A7 - 16)
(A8 - 16)
(A4 - 18)

(A1 - 19)

+5V

(A3 - 20)

(A4 - 22)
(A4 - 23)
(A4 - 24)
(A4 - 25)

7215

3216

7214

3217

2561

3585

1

2

+8Vb

+8Vb

9V

6550

2551

3574

3

SOUND PROCESSING

A 6

M 11

1
2
3

4
5
6
7
8
9

10
11

13
14

16
17

M 9

1
2
3
4
5

6
7

(A6- 32)

(A6 - 36)

(A4 - 32)

(A6 - 31)

CVBS -OUT

CVBS -SOUND

7216

1209

ONLY PAL/MULTI

1206

5.5MHz

1207

6MHz

1208

6.5MHz

CVBS -EXT1

3211

7217

3543

3544

6590

P10

6570

5551

P13

7541

TDA8139

9

2

8
3

1

4

P12

V BATT
ADJUST
140V

LEFT OUT

RIGHT OUT

SDA
SCL

+8V

CVBS sound
MOD_R_IN2

MOD_L_IN2

BG-L

STANDBY_AV1

MOD_L_IN1
MOD_L_IN1

INT_EXT

SID_STA_LL

AMP_L
AMP_R

CVBS-SOUND A8-36

BG/L-D-BG/DK A5-4

(A6- 30)

CVBS - EXT2

6542 6543
2541

2571

P15

A6-1
A6-2

A5-15
A5-16

A6-36
A6-40
A7-40

A6-5
A7-5

A5-3

A5-8
A7-60
A6-60
A6-70
A7-70

A5-7

A5-6

A7-47
A7-48

+8V

7542

P11

2563

2562

7114

MUTE

7113

MUTE

A4-32

A9

A7-52

A7

A7-53

1102
1104

-INT

CVBS

10

V1

CVBS_INT A4 -29

CHROM_O / NTSC - SW

*

3548

CRT
DISCHARGE
(A4 - 38)

2542

+10V / 14V

140V VBATT

+140V VBATT

+13V

+5V

0V6 STB
+8V

P14

RESET

(A5 - 19)

STANDBY

(A5 - 26)

˜

˜

˜

7118

7117

7115

4100

2116

2115

4107

A1

7225 - E
TDA8374C

13
17

11

A4 - 14
A5 - 14

CINCH

1

A4

A5

A6

6
5
4
2

3
7
8
9

56

2108

SY

38 35 34 36

FM

AUDIO

DET

55

PAL/NTSC

DECODER

1275

CONNECTIONS

LEFT OUT

RIGHT OUT

VIDEO OUT

2128

Y

1275

A4-31

A6-70

A6-60

A4-30

A6-5

A6-40

2

A2

( Y )

28

(B - Y) _ OUT
29
30

(R - Y) _ OUT

33

+8Va

7204

V2

-1

OUT

3208

-TXT

-

CVBS

CVBS

(A4 - 32)

(A5 - 13)

SYNC - FRAME & VERTICAL DRIVE

A 3

3422

642164203423

2422

SYNC

HFB

S 1

7225 - 5D
TDA8373/74

SYNC

43

41

51
52

3439

EHT
INFO

(A4 -33)

(A5 -21)

EHT-INFO

(A2 - 41)

SANDCASTLE

X-RAY PROT

CVBS_EXT1

MOD_L_IN1

MOD_R_IN1

CVBS_EXT2

MOD_L_IN2

MOD_R_IN2

HEADPHONE/SPEAKER SWITCH

3143

3142

15

+8V+8V

7420

3421

3420

3430

42

G

50

HZ

50

3437

A3

!

A7-44
A8-44

16kHz

3438

VIDEO-IN1

LEFT-IN1

RIGHT-IN1

VIDEO-IN2

LEFT-IN2

RIGHT-IN2

A10

L (L+R)

A8

A7-51

L_EXT1

+8V

G

CINCH

CONNECTIONS

7
3
5
4
6

R

2
1

R-

A7-54

MONO OUT

A7-49

V 3

V 10

V 9

37

40

44
45

47

46

+8V

BTSC DECODING

A 8

MONO OUT

A6-44

M16

7255
TDA4665

14

64uS

16

64uS

CASTLE

-

SAND

(A3 - 33)

-(R-Y)

-(B-Y)

+ 8D

7316

3349

16 17

2381

11

B1

BTSC DECODING IC

10 8 9

7317

V 11

11

12

V 12

SCL

SDA

(A5 - 15)

(A4 - 16)

(A5 - 16)

(A4 - 15)

I2C

3372

6304

6303

32

31

7225 - C
TDA8374C

8
7

B2

OUT-L

27

OUT-R

21

B3

SCL

SDA

G- Y

MATRIX

I2C

39

BLACK-STR-SW

(A5 - 5)

A7-45

A7-46

A5-16

A5-15

+11V LOT

2524232618

B-TXT_OSD

G-TXT_OSD

(A5 - 25)

(A5 - 24)

H DRIVE TO A3 - 42

EW DRIVE TO A2 - 43

L 3

+11V LOT

F 2

7401

TDA9302H

3440

7

3441

1

2403

F 1

VERTICAL

6401 2403

263

+

Op.Amp

-

4

-11V LOT

2404

5

2404

F 4

F 4

6402

9401

6403

M 4

2

3409

1

F 3

3407

A 7

A6-5

A6-40

A6-70

A6-60

A8-45

A8-46

A5-16

A5-15

A5-8

27

DOS
Blank

R G B

R-TXT_OSD

BL-TXT_OSD

(A5 - 23)

(A5 - 22)

VFB A5 - 20

+48V LOT
(ONLY FOR 29")

!

VERT.

DEFECTION

SOUND AMPLIFIER

MOD_L_IN2

MOD_R_IN2

MOD_L_IN1

MOD_R_IN1

OUT_L

OUT_R

SCL

SDA

STANDBY-AVL

V 14V 13

R

21

G

20

B

19
22

V 15

BC INFO

EHT INFO

(A3 - 37)

(A2 - 37)

LINE DRIVE

A 2

+8V

!

3430

7225 - D
TDA8374C/
N337

G

HOR
DRIVE

16kHz

E/W
DRIVE

+11V LOT
3479

6470

EW DRIVE

(FROM A3 - 43)

7310

26 7

L

I

R

N
P
U
T

2

I

C

16 17 24 9 ?? 23

M 7

L 3

40

45

CONTROL

A16

CRT MODULE

B

C 7

5

BC INFO

5

2

2

G

R

1

1

3

B

3

4

4

6

6

+140V

VBATT

7461

EW CONNECTION

L 4

+8V

6

A13

18

A14

15

TONE

247134713470

+13V

A17

A15

V15b V16b

V15c

V15a

EHT

FF

C60

14

M60

+140V

VBATT

7460
BU1508DX

7470

5470

PROTECTION

E/W

A21

A19

A18

7314

+200VA

2

5

1

3

+200V

HEATER

FF

2

3

1234

3

1

L 1

HOR.

DEFECTION

5457

6466

2457

6465

5463

A11

A12

7311

3

IN1

5

IN2

1

DCV1

7

DCV2

7312

L1

L

R7

R1

8

V16c

9

V16a

7

RIPPLE
FILTER

(ALC)

G

R

B

+200VA

3840

5445

!

FOCUS

G2

10
9

6486

8

6488

7

6463

2469

6490

6

3448 3449

5

6485 3485

11

6487 5487 3488

29" ONLY

12

+11V LOT

2

2353

5480

2

G

V

2486

2484

3466

3467

2489

OUT1

OUT2

OUT2

OUT2

FOCUS

V

HEATER

L OUT

R OUT

+14V

4

13

11

10

8

16

EHT INFO

L 7

L 8

6464

6467

L 9

6449
6450

L 10

L 11

A6-1

A6-2

A23

L+

A22

L-

A24

R+

A25

R-

+8V

EHT

+11V LOT

+5V LOT

(A2-2)

X-RAY
PROTECTION

-11V LOT

HFB( A5 - 21)
+200 TO
CRT PANEL

+48V LOT

64806481

PROTECTION
(A5 - 12)

8.6532010_006.eps

A6-52

A6-51

A6-53

A6-54

110398

6 Block diagram

14L7.3A

A4

0.5V / div AC

0.1ms / div

A5

0.5V / div AC

0.2ms / div

A6

A

5V / div DC

10ms / div

A7

50mV / div AC

0.2ms / div

A8

50mV / div AC

0.2ms / div

A9

C1 5.0V DC

C2

A

1V / div DC

0.1ms / div

C3

A

1V / div DC

0.1ms / div

C4

A

1V/ div DC

5ms / div

C5 3V tt 12 MHz

C6 5V tt 12 MHz

F1

I3 1.6V DC
I3 4.0V DC

I4 5.0V DC
I5 0.5 - 30V DC

I7

50mV / div AC

500ms / div

L1

100V / div DC

20µs / div

L2

2V / div DC

20µs / div

L3

200mV / div DC

10µs / div

L6

P2

5V / div DC

5ms / div

P3

0.2V / div DC
5µs / div

P3

0.1V / div DC
5µs / div

P4

2V / div DC

5µs / div

P4

2V / div DC

5µs / div

P5 13V DC
P5 11.5V DC

P14 8V1 DC
P14 0V6 DC

P15 5V DC
P15 5V DC

S1

2V / div DC

20µs / div

V1

500mV / div DC

10µs / div

V2

1V / div DC

10µs / div

V3

500mV / div DC

10µs / div

V4

V15

500mV / div AC

10µs / div

V15a

500mV / div AC

10µs / div

V15b

500mV / div AC

10µs / div

V15c

500mV / div AC

10µs / div

V16a

20V / div DC

10µs / div

V16b

MAINS SUPPLY

A1

SK 1

220V˜

7520

MC44603AP

7520

O

SC

4

1500

T 5 AH

B

LINE DRIVE

CRT DISCHARGE CIRCUIT

*

5545

P3

!

5574

10

12

6550

5573

16

18

14

13

1

3575

2

6560

2561

3585

1

2

2551

9V

3574

3

P10

2
1

7541

TDA8139

4

V BATT
ADJUST
140V

3543

P13

9
8
3

P1

!!!

5500

3

UFFER

1

7

8

2

14

P9

3528

P4

P8

3577

6502/05

AC

2540

DC

STH8NA60F

!

3525

7518

2508

6540

3518

5

4
3

2

9

8

5

4

+8V

6542 6543
2541

3544

6590

6570

2571

5551

P12

7542

P11

P15

2563

2562

*

3548

CRT
DISCHARGE
(A4 - 38)

2542

+10V / 14V

140V VBATT

+140V VBATT

+13V

+5V

0V6 STB
+8V

P14

RESET

STANDBY

(A5 - 19)

(A5 - 26)

A2

Vbatt

SYNC-FRAME

A3

& VERT. DRIVE

+8V

VIDEO

A4

PROCESSING

5201

+8V
+8V

CRT DISCHARGING

A5

+5V

A6

A7

+8V

C

+8V 5203

5203

CONTROL

+5VD
RESET
STAND-BY
Vbatt

SOUND
PROCESSING

+8V

SOUND
AMPLIFIER

+13V

5300

+14V

NICAM PANEL

5205
5204

8.6532010_008.eps

+8VB
+8VA

+8VD

+8VA
+5VA
+5VB

090398

50mV / div AC

0.1ms / div

A18 1.2V DC
A18 0V DC

A19

50mV / div AC

0.2ms / div

A20 14.8V DC

A21

50mV / div AC

0.1ms / div

0.5mV / div DC
5ms / div

F2

0.5mV / div DC
5ms / div

F3

10V / div DC

5ms / div

F4

10V / div DC

5ms / div

I1

500mV / div AC

10µs / div

5V / div DC

5ms / div

L8 5.0V DC
L9 -11.7V DC
L10 194V DC

P1 270V DC
P1 270V DC

N1 4.1V DC
N2 4.2V DC
N3 0.2ms AC

P2

5V / div DC

5ms / div

P6

1V / div DC

5µs / div

P6

1V / div DC

10µs / div

P9 2V DC

P10 120V DC
P10 120V DC

P11 14V DC
P11 14V DC

P13 10V8 DC
P13 10V2 DC

500mV / div DC

10µs / div

V11

200mV / div AC

10µs / div

V12

200mV / div AC

10µs / div

V13

500mV / div AC

10µs / div

V14

500mV / div AC

10µs / div

20V / div DC

10µs / div

V16c

20V / div DC

10µs / div

CL 86532018_010.AI

020498

A 2

LINE DRIVE

+8V

!

3430

7225 - D
TDA8374C/

N337

HOR
DRIVE

16kHz

E/W
DRIVE

EW DRIVE

(FROM A3 - 43)

G

+11V LOT

3479

6470

L 3

40

45

+140V

VBATT

7461

EW CONNECTION

247134713470

L 4

7470

7460
BU1508DX

5470

PROTECTION

E/W

+140V

VBATT

5457

2457

L 1

HOR.

DEFECTION

5463

6466

6465

5445

!

EHT

3

1

FOCUS

G2

10

9

6486

8

6488

7

6463

2469

6490

6

3448

5

6485 3485

11

6487 5487 3488

29" ONLY

12

+11V LOT

5480

2486

2484

3466

3467

2489

3449

HEATER

EHT INFO

L 7

L 8

6464

6467

L 9

6449
6450

L 10

L 11

+11V LOT

+5V LOT

(A2-2)

X-RAY
PROTECTION

-11V LOT

HFB( A5 - 21)
+200 TO

CRT PANEL

+48V LOT

64806481

PROTECTION
(A5 - 12)

CRT PANEL

B

+200V
ANODE CRT
FOCUS
VG2
HEATER

VIDEO

A4

PROCESSING

5003

+5V_LOT

CONTROL

A5

+5V_LOT
HFB
PROT.
+11V_LOT

LINE DRIVE

A2

+11V_LOT

SYNC-FRAME

A3

& VERT. DRIVE

+ 48V (29")

-11V_LOT
+11V_LOT
X-RAY PROT.

BTSC

A8

DECODING

+11V_LOT

8.6532010_007.eps

+VB

090398

7 Diagrams and print lay-outs

321 111098

12

POWER SUPPLY

DEGAUSSING COIL

MAINS

3520

M2

2
1

M1

1
2

82K

2520

2533

2n2

3534

15K
P9

9500

SK1

MG38000

3542

3502

82p

2531

1n
P6

3536

18K

3532

6K8

2532
470p

4501

RES

2503

12
34

9501

4M7

2M2

7520
MC44603A

Vdem in

8

0V2

0V

Sync

9

C

T

10

2V6

R standby

15

F

2V5

R standby

12

P

0V7

14

VOLTAGE

2V4

FEEDBACK

13

E/A OUT

2V8

(1V9)

FOLDBACK INPUT

2

A

A

B

B

150 - 276 V SINGLE RANGE

90 - 276 V FULL RANGE

C

C

D

D

E

E

F

F

G

G

H

H

1

1234

3456789101112

3504

1

2n2

2504

3

2501
33n

3505
DSP

V

2500

470n

3500

3537

10K

2V5

Rref

Vosc prot

Vosc

Iref

STANDBY

CURRENT SENSE INPUT

5

3513
180K

2522

3n3

--V OPERATION MODE

(--V) STANDBY MODE

6500

6501

BZX79-C30

9508

23

5500

14
DMF-2405

9509

P2

3530

16

Vref

Iref

REFERENCE

BLOCK

7

P8

0V2

2521

3n3

9504

1500

DEMAGNETICATION

Vdem out

Iref

OSCILLATOR

2.5V

FOLDBACK

3512

15K

T5AH

MANAGEMENT

ERROR

AMP

1V1

2

(REDUCED FREQUENCY)

5515

2u2

3

ZPB

3501

470R

9502

2

5502

3

14

DMF28
9503

3510
33K

6510

BZX79-C20

3K3

Vref
enable

INITIALIZATION BLOCK

Latch
Reset

THERMAL

SHUTDOWN

CURRENT
SENSE

Dmax & SOFT-START

Iref

2530

330R
3521

+t

3503

SUPPLY &

QSet

CONTROL

1u

17L7.3A

7654

1N4148

3515

Vc

3514

820K

1n

2

3

4

6

2885

22n

3517

(13V2)

(0V1)

(1V8)

P7

14V4

1V

0V

2V1

BC858B

t

2508

B57237

STH8NA60FI
7518

1V1

10K

6514

7588

3529

68R

P5

3528
100R

300V

330u

299V

BZX55-C18

P4

6508

6507

6

3596

1K

6515

BYD33J

2507

1n5

2518

0V

BYD33J

BYD33J

3595

BYD33J

470p

2540

2511

3518

22K

6517

2884

+11V_LOT

47u

5518

330p

6511

P3

R22

3519

100u

3577
10K

EAR

HOT GROUND

3509

2510

100MHZ

BYV95C

1R

6540

BAV21

33K

1n5

3516

2545

1n5

7

3511

3578

5516

1K

1R

1K

100MHZ

4U7

5540

15V1

(13V6)

(2V8)

2576

GND

2V2

5545
W7054

9

10

8

12

5

13
14

4

16

3

182

7581

CNX82A

10V4

15

(9V3)

42

(8V5)

6n8

3575

1

9V

0V

2

9V3

100R

3

3576

2574

2573

33n

7570
TL431CLP

2V4

5574

2u2

EGP20D

1572

RES

RES

5573

6560

3585

2575

3574

33K

5572

100MHZ

2572

100MHZ

2560

MRT

T5AH

2561

2V5

(0V1)

100R

4V9

(0V)

100n

100p

330p

7541

1m

TDA8139

7

PROG

DISAB

4

3571
160K
3573

2K7

6590

EGP20D

6570

EGP20D

2570

RES

470R

P11

2571

GND_AUDIO

5550

100MHZ

REFERENCE

PROTECTION

DISABLE

1K5

3554

+VBATT

3572

2m2

2550
330p

6550

BY229X-600

3543

220K

22K

3544

CRT_DISCHARGE CIRCUIT

10V8

10V8

(10V2)

(10V2)

IN11IN2

GND

5

3553
120R

VBATT
ADJ
140V

2

9507

6542

2541

OUT1

RESET

OUT2

1098

5520

2554
220n

3552

3K3

BAV21

2u2

3546

47K

3545

RESET_

P10

1M

OUT1

DELC
OUT2

4500

+8V

3547

6543

10K

13V1

9
6
3
8

1N4148

(0V6)

5551

27u

4m7

2551

3548

CRT_DISCHARGE

220R

0V4

7542
BC857B

8V1

100u

2542

5V1

2V

3V
8V1

2553

10K

3565

22n

2563

220u

2562

FOR USA ONLY

1080

3

6584

14

2

SPO01

P1

2505

2n2

2502

2n2

3525

Vovp out

Soft Start & Dmax

11

2V4

9506

6505

GBU4J

9505

3506

1R

3507
2R2

33R

Vref

2517

330p

2524

2529
100n

14V3

1

(12V8)

Vcc

18V

UVLO1

OUTPUT

BUFFER

GND

Vcc

OVERVOLTAGE

MANAGEMENT

OVERVOLTAGE

PROTECTION

UVLO1

Vref

5 6 7 8 9 10 11 12

54

12

+14V

+VBATT

140V

VBATT

140V

A4-38

P13

P15

+5V

P12

RESET

A5-19

100u

P14

+8V

STANDBY

A5-26

CL 86532018_012.AI

1211

010498

M1 B2

M1 B2

5500 B4

M2 A2

M2 A2

5502 B4

SK1 B2

SK1 B2

5515 G3

1080 A5

1080 A5

5516 B7

1500 B3

1500 B3

5518 C7

1572 C8

1572 C8

5520 B10

2500 C3

2500 C3

5540 E7

2501 B3

2501 B3

5545 A7

2502 B5

2502 B5

5550 B9

2503 A2

2503 A2

5551 B11

2504 A3

2504 A3
2505 B5

2505 B5
2507 B6

2507 B6
2508 B6

2508 B6
2510 B7

2510 B7
2511 C7

2511 C7
2517 C5

2517 C5
2518 C6

2518 C6
2520 E2

2520 E2
2521 G4

2521 G4
2522 G3

2522 G3
2524 C5

2524 C5
2529 D5

2529 D5
2530 G4

2530 G4
2531 E2

2531 E2
2532 F2

2532 F2
2533 F2

2533 F2
2540 E6

2540 E6
2541 C10

2541 C10
2542 C11

2542 C11
2545 H7

2545 H7
2550 A10

2550 A10
2551 B11

2551 B11
2553 E11

2553 E11
2554 D10

2554 D10
2560 C8

2560 C8
2561 D9

2561 D9
2562 F11

2562 F11
2563 E11

2563 E11
2570 B9

2570 B9
2571 A9

2571 A9
2572 A8

2572 A8
2573 F8

2573 F8
2574 F8

2574 F8
2575 E8

2575 E8
2576 F7

2576 F7
2884 A7

2884 A7
2885 A6

2885 A6
3500 C3

3500 C3
3501 B4

3501 B4
3502 C2

3502 C2
3503 A4

3503 A4
3504 A3

3504 A3
3505 B3

3505 B3
3506 C5

3506 C5
3507 C5

3507 C5
3509 B7

3509 B7
3510 C4

3510 C4
3511 C7

3511 C7
3512 G3

3512 G3
3513 G3

3513 G3
3514 G6

3514 G6
3515 B5

3515 B5
3516 D7
3517 C6
3518 D7
3519 D7
3520 E2
3521 H4
3525 C5
3528 E6
3529 D6
3530 D4
3532 F2
3534 G2
3536 E2
3537 D3
3542 C2
3543 C10
3544 C10
3545 C10
3546 C10
3547 C10
3548 C11
3552 E10
3553 E10
3554 F9
3565 E11
3571 F9
3572 F9
3573 F9
3574 F8
3575 F8
3576 E8
3577 F7
3578 F7
3585 E8
3595 A6
3596 A6
4500 F11
4501 G2

5572 A9
5573 C8
5574 A8
6500 B4
6501 B4
6505 B5
6507 G6
6508 G6
6510 C4
6511 C7
6514 C6
6515 B6
6517 B7
6540 E7
6542 C10
6543 C10
6550 B10
6560 C8
6570 A9
6584 A5
6590 A9
7518 C6
7520 D2
7541 D9
7542 C11
7570 G8
7581 E8
7588 A6
9500 B2
9501 C2
9502 B4
9503 C4
9504 B3
9505 B5
9506 B5
9507 A10
9508 B4
9509 C4

P1 270V DC
P1 270V DC

P2

5V / div DC

5ms / div

P2

5V / div DC

5ms / div

P3

0.2V / div DC
5µs / div

P3

0.1V / div DC
5µs / div

P4

2V / div DC

5µs / div

P4

2V / div DC

5µs / div

P5 13V DC
P5 11.5V DC

P6

1V / div DC

5µs / div

P6

1V / div DC

10µs / div

P9 2V DC

P10 120V DC
P10 120V DC

P11 14V DC
P11 14V DC

P13 10V8 DC
P13 10V2 DC

P14 8V1 DC
P14 0V6 DC

P15 5V DC
P15 5V DC

CL 86532018_002.AI

270398

A

A

B

B

C

C

D

D

E

E

F

F

G

G

H

H