Philips PET320, Service Manual

5

5

4

4

3

3

2

2

1

1

D

D

C

C

B

B

A

A

H:MUTE

Headphone-JACK

G V R L

CLOSE JACK

SHUT-DOWN:4.35V

NORMAL:480mV

DAC Interface

Hi:MUTE

Lo:Active

Speaker AMP

Video Output Circuit

Audio Output circuit

OUTPUT Unit

Hold Keyboard Switch

ESD-GND

ESD-GND

SE/BTAL_SEL3

R+

AUDIO_MR

R-

SE/BTAL_SEL

MIXL

AUDIO_ML

VD_OUT

AUDIO-DAC_ML

SE/BTAL_SEL

L+

SE/BTAL_SEL3

R+

L-

MIXR

SE/BTAL_SEL3

VD_OUT

HP-LOUT

A_HP-LOUT

A_HP-ROUT

SE/BTAL_SEL

HP-ROUT

MIXR

AUDIO_MR

APOWER-CON

F_AUDIO-AMP_MUTE

AUDIO_MR

AUDIO-DAC_MR

AUDIO-DAC_ML

AUDIO_ML

AUDIO-DAC_MR

AU_XCK

AU_BCK
AU_LRCK

AU_D0

HOLD

OFF

AUDIO_ML

A_HP-ROUT

F_AUDIO-AMP_MUTE

HP-LOUT

L+

AUDIO-AMP_MUTE

AUDIO-AMP_MUTE

A_HP-LOUT

MIXL

HP-ROUT

APOWER-CON

CVBS(TVDAC0) (4)

R-

(7)

TV_JACK-IN (4)

AU_D0

(4)

AU_LRCK

(4)

AU_XCK

(4)

L-

(7)

AU_BCK

(4)

R+

(7)

SE/BTAL_SEL

(4)

AUDIO_MUTE

(4)

BEEP

(4)

HOLD

(4)

L+

(7)

+5V_SYS

DGND

+5V_AUD
GNDA

VIN_SYS

+5V_AUD

GNDP

+5V_OP

GNDP

GNDP

+5V_SYS

GNDV

GNDA

GNDA

GNDA

GNDA

GNDV

GNDA

GNDA

GNDA

GNDA

GNDA

GNDV

GNDA

AGND

+5V_SYS

GNDA

+5V_AUD

GNDA

+5V_AUD

+5V_AUD

GNDA

GNDA

GNDA

GNDA

+5V_AUD

D+3.3V

GNDA

GNDA

GNDP

GNDP

GNDA

GNDA

GNDA

GNDRF-P

AGND

AGND

+

C119

E 47U/6.3V

C98

18P/50V

1

2

R222

2.2M

2

1

EC8

2.2uF/6.3V

R172
1.5k

2

1

C172

390P

1

2

+

C100

DIP 330U/6.3V

+

EC4
E 220U/6.3V

FB3

1A/600 OHM

R271
NC 47K

2

1

FB48
FBM-160808-601

C173

390P

1

2

R142

20K

R183
1.5k

2

1

C114
1N/50V

1

2

C109
1N/50V

1

2

R168
220

2

1

D34

0R/0805

2

1

FB2

0

+

-

U11A
APC558

3

2

1

R186
1K

2

1

R188
1K

2

1

C97

0.1U/16V

D35

MA2J728

A

C

R141

100K

M15

EMI-PAD

R216
47K

2

1

FB31

1A/600 OHM

R143

20K

Q27

MMBT3906

1

3

2

R149

1K

FB47
0

R218

47K

2

1

J5

PJ-362

1
2

3

4
5

6
7

L14 1.8UH

D33

MA2J728

A

C

R187
150

2

1

D14
MA2J111

A

C

Q36

2SD1328

1

3

2

R272

NC 1K

2

1

C168

390P

1

2

R220

47K

2

1

+

-

U11B
APC558

5

6

7

R146

100K

FB20

FBM-160808-601

M10

EMI-PAD

FB5
NC-0

R182
47K

2

1

C170

390P

1

2

FB16

0

+

C118

E 47U/6.3V

R145
1K

Mute

SE/BTL

Lout-

Lout+

Shutdown

Lin

Rin

RBypass

LBypass

Rout-

Rout+

RVd

d

Gnd

Gnd

Gnd

LVdd

U6

APA2066SO0_S

11

12

3

1

2

13

4

5

10

8

7

6

14

15

16

9

17

C164

33P/50V

1

2

R191
10K/J

2

1

S

G

D

Q37

NC APM2301

J6

PJ-328-5

6
5
7
4
3

R267
1.5K

2

1

J4

SKY-12F06-G1.5-OA

1
2
3

Q24

MMBT3904

1

3

2

Q26
MMBT3906

1

3

2

FB43
NC 0

C169

390P

1

2

R189

10K/J

2

1

Q20

MMBT3904

R140

20K

Q25

MMBT3904

1

3

2

C162

33P/50V

1

2

R144

20K

+

C108

TAN 47U/6.3V

1

2

R153

1K

C242
82P

+

EC7

E 220U/6.3V

EC5
2.2uF/6.3V

R192
10K/J

2

1

C103
0.1U/16V

R150

NC

2

1

R266
75

2

1

FB24

FBM-160808-601

R217

47K

2

1

R190
100K

2

1

C163

330P

1

2

R163

10K/J

R215
47K

2

1

C166
0.1U/16V

R171
47K

2

1

FB26

FBM-160808-601

TP58

1

R169
0

2

1

+

C161

E 47U/6.3V

R265
75

2

1

C99 10U/6.3V

1

2

FB22

FBM-160808-601

R268
1.5K

2

1

R214
100K

2

1

FB4
0

EC6
2.2uF/6.3V

R154

NC

2

1

FB23

FBM-160808-601

EC2

1U/25V

C101

33P/50V

1

2

R219

2.2M

2

1

EC9

2.2uF/6.3V

R178
220

2

1

FB21

FBM-160808-601

C165

330P

1

2

R185
10

2

1

EC3

1U/25V

M13

EMI-PAD

Q35

2SD1328

1

3

2

+

C113

TAN 47U/6.3V

1

2

C209

10U/6.3V

1

2

C171

390P

1

2

R147

4.7K/J

2

1

M9

EMI-PAD

R213
100K

2

1

R179
0

2

1

Q38
NC MMBT3904

FB44
0

U7

CS4335

1
2
3
4

5

6

7

8

SDATA
DEM/SCLK
LRCK
MCLK

AOUTR

AGND

VA

AOUTL

U11C
APC558

8

4

D30

BAV70

3

1

2

R161

10K/J

D15
MA2J111

A

C

M11

EMI-PAD

+

TC5
TAN 47U/6.3V

1

2

R157

150

2

1

C102

22P/50V

1

2

R148

5.6

2

1

Q28

MMBT3904

1

3

2

R221

47K

2

1

+

EC1

TAN 47U/6.3V

1

2

C167

390P

1

2

FB25

FBM-160808-601

R155

180

2

1

FB1

NC 0