Sony DP-IF5100 Manuel utilisateur

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SERVICE MANUAL

DP-IF5100

MICROFILM

DIGITAL SURROUND PROCESSOR

SPECIFICATIONS

Modulation System Frequency modulation

Carrier wave frequency Right channel 2.8 MHz

Left channel 2.3 MHz

Transmission distance Approx. 10 m to the front

Transmission range 20 – 20,000 Hz

Distortion rate 1% or less (1 kHz)

Audio inputs Optical input

(rectangular-type) ×1

Analog input (pin jack

left/right) ×1

Power requirements DC 9 V (from the

suppliedAC power

adapter)

Dimensions (w/h/d) Approx. 85 ×190 ×180

mm (3 3/8 ×7 1/2 ×7 1/8

inch)

Mass Approx. 1.0 kg

(1000 g) (2 lb 30 oz)

Design and specifications are subject to

change without notice.

•DP-IF5100 is the component model block one in

MDR-DS5100.

COMPONENT MODEL NAME FOR MDR-DS5100

DIGITAL SURROUND PROCESSOR DP-IF5100

CORDLESS STEREO HEADPHONES MDR-IF5000

•Manufactured under license from Dolby Laboratories Licensing

Corporation.

DOLBY, the double-D symbol ;, “PRO LOGIC”,

“Dolby Digital (AC-3)”, and “VIRTUALDOLBY DIGITAL” are

trademarks of Dolby Laboratories Licensing Corporation.

Notes on Chip Component Replacement

•Never reuse a disconnected chip component.

•Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

E Model

Ver 1.0 1999. 10

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TABLE OF CONTENTS

1. GENERAL

Location and Function of Parts............................................... 3

Listening to the Sound of the Connected Component............ 3

2. DISASSEMBLY

2-1. CoverAssy .......................................................................... 5

2-2. Panel Assy, Front................................................................. 5

2-3. Panel Assy, Sub ................................................................... 6

2-4. TX Board ............................................................................ 6

3. SERVICE MODE

3-1. General ................................................................................ 7

3-2. Setting the Test Mode.......................................................... 7

3-3. Releasing the Test Mode ..................................................... 7

3-4. Test Mode ............................................................................ 7

4. ELECTRICAL ADJUSTMENTS................................... 8

5. DIAGRAMS

5-1. IC Pin Descriptions ............................................................. 9

5-1-1. IC201 µPD784216 (Program, System Control) ............9

5-1-2. IC301 CXD9511AQ (Dolby Digital (AC-3)/

Pro Logic, DTS Decoder)............................................ 11

5-1-3. IC302 XCB56362PV100 (24 Bit Audio Digital

Signal Processor) ......................................................... 13

5-2. Block Diagrams ................................................................ 17

5-2-1. Block Diagram –Processor Section– ........................... 17

5-2-2. Block Diagram –Transmitter Section– ........................ 19

5-3. Printed Wiring Boards and Schematic Diagrams.............. 21

5-3-1. Printed Wiring Board –TX Board– ............................. 21

5-3-2. Schematic Diagram –TX Board (1/2)– ....................... 25

5-3-3. Schematic Diagram –TX Board (2/2)– ....................... 27

5-3-4. Printed Wiring Board –LED Board– ........................... 29

5-3-5. Schematic Diagram –LED Board–.............................. 31

5-3-6. Printed Wiring Board –AMP Board– .......................... 33

5-3-7. Schematic Diagram –AMP Board– ............................. 34

5-4. IC Block Diagrams ........................................................... 35

6. EXPLODEDVIEW........................................................... 38

7. ELECTRICAL PARTS LIST......................................... 39

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SECTION 1

GENERAL This section is extracted

from instruction manual.

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SECTION 2

DISASSEMBLY

2-1. COVER ASSY

• The equipment can be removed using the following procedure.

Note : Follow the disassembly procedure in the numerical order given.

2-2. PANEL ASSY, FRONT

Set Cover assy Panel assy, front Panel assy, sub

TX board

PTT 2.6X5

cover assy

PTT 2.6X5

CN103

CN101

P 3X6

CN102

PTT 2.6X5

panel assy, front

claws

screws (2.6x6)

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2-3. PANEL ASSY, SUB

2-4.TX BOARD

P 2X8

LED board

panel assy, su

P 2X8

screws BTT

TX board

BVTP 3X8

screw BTT

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SECTION 3

SERVICE MODE

3-1. GENERAL

This set has the test mode of the built-in microprocessor which

allows various check items required repairing.

3-2. SETTINGTHE TEST MODE

Press the POWER key and the EFFECT key at the same time and

turn on the power. (Insert the DC plug)

3-3. RELEASINGTHE TEST MODE

Remove the DC plug.

3-4.TEST MODE

1. LED check

*1) In test mode

*2) All infrared LEDs on

*3) All infrared LEDs on

2. Key check

*4) Corresponding LEDs

POWER key : POWER LED

INPUT key :ANALOG LED

EFFECT key : MUSIC LED

OUTPUT key : VIRTUAL LED

3. Audio check

*5) Digital input check : Do not use this in repair.

*6) Analog input check :Other than MUTE check, do not use this

in repair.

*7) Mute mode : Use this in electrical adjustment (see page 8).

*8)

LCR

LS RS

HR LED

HL LED

4. IF test tone

LEDs go on in sequence *1)

All LEDs on

All LEDs off

POWER,INPUT keys

Go to Key check

*3)

*2)

POWER,INPUT keys

Go to Audio check

Press each key and its corresponding

LED goes on *4)

POWER,INPUT keys

Go to IF test tone

ANALOG, HR and HL LEDs on *5) *7)

POWER, DIGITAL,

L and R LEDs on *5)

HL and HR LEDs off *6)

POWER,INPUT keys

POWER and MUSIC LEDs on

OUTPUT key

End of Test mode

1 kHz, –10 dBv

1 kHz, –30 dBv

100 Hz, –30 dBv

10 kHz, –30 dBv

1 kHz, FS

L LED on

C LED on

R LED on

RS LED on

LS LED on

POWER,INPUT keys

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SECTION 4

ELECTRICAL ADJUSTMENTS

Notes:

1. These adjustments are performed in the order that they are

described.

2. Adjustment and measurement are performed for each channel

unless otherwise specified.

3. Adjustment is made for the right channel first and then the left

channel.

4. The power voltage is supplied with 9 V.

Oscillation Frequency Adjustment

Setting:

–

LED board

TP03 or TP04 (L-ch)

TP05 or TP06 (R-ch)

digital frequency

counter

Adjustment method:

• Perform this adjustment without signal.

1. Connect TP (A MUTE) to ground on the TX board (to set the

mute state), or use the test mode to set the mute state (see page

7).

2. Connect a digital frequency counter to TP03 or TP04 for L-ch

and TP05 or TP06 for R-ch on the LED board.

3. Adjust L51 (L-ch) and L1 (R-ch) on the TX board so that the

reading on the digital frequency counter is each within 2.3 MHz

(L-ch) and 2.8 MHz (R-ch).

Specified value:

L-ch L51 2.298 to 2.302 MHz

R-ch L1 2.798 to 2.802 MHz

RF Level Adjustment

Setting:

digital voltmeter

–

LED board

TP03 or TP04 (L-ch)

TP05 or TP06 (R-ch)

Adjustment method:

• Perform this adjustment without signal.

1. Connect TP L (L-ch) and TP R (R-ch) to ground on the LED

board (to set the mute state), or use the test mode to set the mute

state (see page 7).

2. Connect a digital voltmeter to TP03 or TP04 for L-ch and TP05

or TP06 for R-ch on the LED board.

3. Adjust RV51 (L-ch) and RV1 (R-ch) on the TX board so that

the reading on the digital voltmeter is 480 mV.

Specified value:

L-ch RV51 477.5 to 482.5 mV

R-ch RV1 477.5 to 482.5 mV

Adjustment Location:

RV51 RF LEVEL

ADJUSTMENT

OSCILLATION

FREQUENCY

ADJUSTMENT

L51

RV1

– TX board (side A) –

TP05

TP06

TP03

TP04

– LED board (conductor side) –

– TX board (side A) –

(A MUTE)

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5-1. IC PIN DESCRIPTIONS

5-1-1. IC201 µPD784216 (PROGRAM, SYSTEM CONTROL)

Pin No. Pin Name I/O Pin Description

1 RTP0/P120 O Analog circuit block mute signal output (H: Mute)

2 RTP1/P121 O D/A mute signal output (H: Mute)

3 RTP2/P122 O IF circuit block power control signal output (H: ON)

4 RTP3/P123 O Main circuit block power control signal output (H: ON)

5 RTP4/P124 O DIR block clock select signal output (H: Digital, L: Analog)

6 RTP5/P125 O DIR serial select signal output

7 RTP6/P126 — Not used. (Open)

8 RTP7/P127 — Not used. (Open)

9 VDD I Power supply pin

10 X2 O Connect to crystal for main system clock oscillator

11 X1 I Connect to crystal for main system clock oscillator

12 VSS — Ground

13 XT2 — Not used. (Open)

14 XT1 — Not used. (Fix to “L”.)

15 RESET I Reset signal input

16 INTP0/P00 I DIR audio data detect signal input

17 INTP1/P01 — Not used. (Open)

18 INTP2/P02 O Sub DSP serial select signal output

19 INTP3/P03 O Decoder serial select signal output

20 INTP4/P04 O Main DSP serial select signal output

21 INTP5/P05 O SLAVE reset signal output

22 INTP6/P06 I DIR lock signal input

23 AVDD I Power supply pin

24 AVREF0 — Ground

25 ANI0/P10 I DSP serial BUSY 5 V signal input

26 ANI1/P11 — Not used. (Open)

27 ANI2/P12 I Not used. (Open)

28 ANI3/P13 I Not used. (Open)

29 ANI4/P14 I Not used. (Open)

30 ANI5/P15 I Auto mute detect signal (L: OFF, H: ON)

31 ANI6/P16 — Not used. (Open)

32 ANI7/P17 I Audio input level signal input

33 AVSS — Analog ground

34 ANO0/P130 — Not used. (Open)

35 ANO1/P131 — Not used. (Open)

36 AVREF1 I Power supply pin

37 SI2 I Main serial data signal input

38 SO2 O Main serial data signal output

39 SCK2 O Main serial clock signal output

40 SI1 I Main serial data signal input

41 SO2 O Not used. (Open)

42 SCK1 O Main serial clock signal output

43 PCL/P23 O Main DSP reset signal output

44 BUZ/P24 — Not used.

45 SI0 I LED/FLASH serial data signal input

46 SO0 O LED/FLASH serial data signal output

47 SCK0 O LED/FLASH serial clock signal output

48 A0/P80 O Main DSP mute signal output

49 A1/P81 O Not used. (Main DSPATT setting bit HIGH)

50 A2/P82 O Not used. (Main DSPATT setting bit LOW)

51 A3/P83 O Main DSPALC ON signal output

SECTION 5

DIAGRAMS

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Pin No. Pin Name I/O Pin Description

52 A4/P84 O Main DSP VR setting bit HIGH signal output

53 A5/P85 O Main DSP VR setting bit LOW signal output

54 A6/P86 O Reserve terminal (Fix to “L”.)

55 A7/P87 O Reserve terminal (Fix to “L”.)

56 – 63 AD0 – 7/P40 – 47 — Not used. (Open)

64 A8/P50 O Not used. (Open) (LED 0)

65 A9/P51 O Not used. (Open) (LED 1)

66 A10/P52 O Not used. (Open) (LED 2)

67 A11/P53 O Not used. (Open) (LED 3)

68 – 71 A12 – 15/P54 – 57 — Not used. (Open)

72 VSS — Ground

73 A16/P60 I Power on/off key input

74 A17/P61 I INPUT key input

75 A18/P62 I EFFECT key input

76 A19/P63 I OUTPUT key input

77 RD/P64 I Jump key input

78 WR/P65 I Not used. (Open)

79 WAIT/P66 I Not used. (Open)

80 ASTB/P67 I Not used. (Open)

81 VDD I Power supply pin

82 T05/P100 O LEDEN signal output

83 T06/P101 O LEDLAT signal output

84 T07/P102 O LEDRESET signal output

85 T08/P103 — Not used. (Open)

86 T00/P30 — Not used. (Open)

87 T01/P31 — Not used. (Open)

88 T02/P32 — Not used. (Open)

89 T03/P33 — Not used. (Open)

90 T04/P34 — Not used. (Open)

91 TI00/P35 — Not used. (Open)

92 TI01/P36 — Not used. (Open)

93 P37 — Not used. (Open)

94 VPP I VPP signal input

95 – 100 P90 – 95 — Not used. (Open)

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