Philips PET320, Service Manual

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

UD:H  NORMAL

UD:L 

REVERSE

VSET:H  EXTERNAL

VSET:L  INTERNAL

IF1:H   IF2:H    CCIR656

IF1:L   IF2:H    CCIR601

PANEL CONNECTOR

1.LED-

2.LED+

3.POL

4./RESET

5.SPENA

6.SPCLK

7.SPDAT

8.DB0

9.DB1

10.DB2

11.DB3

12.DB4

13.DB5

14.DB6

15.DB7

16.DCLK

17.UD

18.Vdd+5V

19.Vcc+3.3V

20.LRC

21.VSET

22.DUMMY

23.VGL

24.DUMMY

25.VGH

26.V1

27.V8

28.Vcom

29.DGND

30.AGND

POLS

656-D5

656-D3

656-D1

656-D4

LED-

PANEL SPI-DATA

656-D3

VSET

656-D2

656-D2

656-D6
656-D7

VCOM

656-D4

656-D8

656-D8

VCOM

656-D5

LED+

656-D7

VSET

PANEL SPI-ENABLE
PANEL SPI-CLOCK

POLS

656-D6

656-D1

CCIR_D5

(4)

CCIR_D4

(4)

CCIR_D7

(4)

CCIR_D6

(4)

CCIR_D3

(4)

CCIR_D2

(4)

CCIR_D0

(4)

CCIR_D1

(4)

PANEL SPI-DATA (4)

CCIR_CLK (4)

TFT-RESET (4)

PANEL SPI-CLOCK (4)

LED+

(11)

PANEL SPI-ENABLE (4)

LED-

(11)

GL -8V

GL -8V

GNDP

PGNDA

+5V_TFT

+5V_TFT

PGNDA

PGNDA

PGNDA

PGNDA

DGND

DGND

DGND

DGND

PGNDA

GH +15V

PGNDA

GL -8V

+3.3V_SYS

+5V_TFT

+5V_SYS

PGNDA

PGNDA

PGNDA

PGNDA

DGND

PGNDA

GNDM

J8

CON30

1
2
3
4
5
6
7
8
9

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

U13

APC558

1

2

3

4

5

6

7

8

OUT1

-IN1

+IN1

VEE

+IN2

-IN2

OUT2

VCC

C211

220P/50V

1

2

R275
22K

2

1

TP92

656-D2

TP82
+3.3V_SYS

TP97

656-D5

R233

10K/J

2

1

C208

10U/6.3V

1

2

TP89
VCOM

C228
NC;;;0.1U/16V

RP1

33/J

1

2

3

4

5
6
7
8

C218

220P/50V

1

2

TP79
PANEL SPI-ENABLE

R278
8.2K

2

1

TP91

656-D3

TP83
+5V_TFT

R276
30K

2

1

R232

10K/J

2

1

L24

1A/600 OHM

1

2

TP96

656-D6

TP85

GH +15V

L23

1A/600 OHM

1

2

TP90
656-D4

C199 10U/6.3V

1

2

R247

12K

2

1

TP81

CCIR_CLK

L20

1A/600 OHM

1

2

TP95

656-D7

R277
47K

2

1

C214

220P/50V

1

2

C207

0.1U/16V

1

2

R240
1K

2

1

R274
8.2K

2

1

R273
330

2

1

TP94

656-D8

C216

220P/50V

1

2

C202

2.2U/25V

1

2

R242 10K/J

2

1

FB46
0

TP78

PANEL SPI-CLOCK

TP87
PGNDA

C205 10U/6.3V

1

2

R244 10K/J

2

1

R245
20K

2

1

R193

33

C212

220P/50V

1

2

L25

0

1

2

C213

220P/50V

1

2

C206

10U/6.3V

1

2

C215

220P/50V

1

2

R256 20K

2

1

TP77

PANEL SPI-DATA

C198

0.1U/16V

1

2

VR1

NC50K

1

2

3

TP88
VSET

R246
1K

2

1

C217

220P/50V

1

2

R241

10K/J

2

1

R257

33K

2

1

C201

0.1U/16V

1

2

R243
1K

2

1

TP76
POLS

TP80                                                                                                                     

7.2 Electrical Diagram 

TFT-RESET                                                                                                         

       of Bottom PCBA

L22

1A/600 OHM

1

2

C200

0.1U/16V

1

2

L26

0

1

2

TP93

656-D1

TP84

GL -8V

C210

2.2U/25V

1

2

C229
0.1U/16V

RP2

33/J

1

2

3

4

5
6
7
8