Sony RM-AV2100B Operating Instructions (primary... User manual

RM-AV2100B

US Model

SERVICE MANUAL

INTEGRATED REMOTE COMMANDER

Sony Corporation

Personal Audio Company

Published by Sony Engineering Corporation

9-874-185-01

2002I1600-1

SPECIFICATIONS

Ver 1.0 2002. 09

Operating distance Approx. 10 meters (32.8 ft.) (varies

depending on components of different

manufacturers)

Power requirements Remote control and backlight : Four size

AA (R6) batteries

Battery life Apporox. 5 months (varies depending on

frequency of use)

Dimensions Approx. 120 ×175 ×45 mm (w ×h ×d)

(43/4×7 ×113/16 in.)

Mass 290g (10.22 oz.) (not including batteries)

Design and specifications are subject to change without notice.

RM-AV2100B

Notes on chip component replacement

•Never reuse a disconnected chip component.

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

damaged by heat.

Flexible Circuit Board Repairing

•Keep the temperature of soldering iron around 270˚C

during repairing.

•Do not touch the soldering iron on the same conductor of the

circuit board (within 3 times).

•Be careful not to apply force on the conductor when soldering

or unsoldering.

TABLE OF CONTENTS

1. GENERAL ·········································································· 3

2. DISASSEMBLY ································································ 4

2-1. Case (Lower) ·································································· 4

2-2. MAIN Board ··································································· 4

3. TEST MODE······································································ 5

4. DIAGRAMS········································································ 7

4-1. Printed Wiring Board – Main Section – ························· 7

4-2. Schematic Diagram – Main Section – ···························· 8

4-3. IC Pin Function Description ···········································9

5. EXPLODED VIEWS ······················································ 10

6. ELECTRICAL PARTS LIST ······································· 11

RM-AV2100B

This section is extracted from

instruction manual.

SECTION 1

GENERAL

5COMMANDER OFF button

Turns the power of the Commander

off.

6Component Select buttons

Selects the component to control.

7VOLUME +/– buttons*(page 14, 22)

Adjust the volume.

8MUTING button*(page 14, 22)

Mutes the audio. Press the button

once again to resume at the previous

volume.

9CHANNEL +/– buttons

Select the channel.

*Note on the VOLUME +/– and

MUTING buttons

The Commander controls or mutes the TV’s

volume when you select a visual component.

The Commander controls or mutes the

amplifier’s volume when you select an audio

component.

You can change this setting also (page 22).

Note on the power on and off of the

Remote Commander

To turn on the power, press any button except

the COMMANDER OFF button.

To turn off, press COMMANDER OFF, or if

you don’t use the Commander, it automatically

turns off after 10 minutes. This interval can also

be changed (page 49).

Location and Function

of Controls

1Component display area

Displays the name of the component

selected.

2LCD touch key display (page 11)

The keys used for operating each

component are displayed.

Note

Do not press the touch keys using sharp

objects such as pins or ball-point pens.

3SYSTEM CONTROL buttons (page

23)

You can program up to 16 consecutive

key operations to each of the three

SYSTEM CONTROL buttons . You can

automatically carry out the entire

program by pressing one button.

4LIGHT button (page 50)

Used to light up the LCD display in

the dark. Press the button once to turn

on the light, and once again to turn it

off. You can also set the backlight to

go off automatically after a certain

period of time.

RM-AV2100B SECTION 2

DISASSEMBLY

2-1. Case (Lower)

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

2-2. MAIN Board

case (upper)

two screws

(+KTP2

×4

)

case (lower)

case (upper)

claw

battery lid

two screws

(+KTP2

×4

)

claw

case (upper)

Remove soldering of the

TTP and remove it.

LCD

five screws

(+P2

MAIN board

rubber switch

RM-AV2100B

TEST Mode (Operation Check)

Preformthefollowingoperation checks usingtheTESTMode before

starting the repair works.

1. All Keys Operation Check

Connection Method :

1) While pressing the CHANNEL + key and the VOLUME +

key, ture ON the main power of the regulated power supply

(DC +6V). (Refer to Fig. 1-1.)

2) After sounding buzzer, remove all hands from pressing the all

keys descrived in above step 1). The all indications of the LCD

must be turned OFF. (Refer to Fig. 1-2.)

3) When any key of the Operation panel-key block (except

the COMMANDER OFF key), or any key of the LCD touch-

key block is pressed, the signal (carrier 40kHz) as shown in

Fig.1-3 must be transmittedin accordancethe pressed key, when

operation of the machine is normal.

4) Press all keys of the Operation panel-key block (except the

COMMANDER OFF key, and of the LCD touch-key block

sequentially. When all keys are pressed, confirm that the long

buzzar sound and aii LCD displays are turned off.

NOTE : Be careful that all data in S-RAM is cleared

when the above TEST mode is performed.

•This TEST Mode can be terminoted in its middle before testing

all keys by pressing the COMMANDER OFF key. However

the conduction check of the remairing keys cannot be checked.

(S-RAM isnot cleared.)

•P-ROM (IC9) is diagnosed to be free from defects when the

steps from 1) to 4) are performed correctly.

SECTION 3

TEST MODE

Fig. 1-1

Fig. 1-2

Fig. 1-3

–

Regulated power supply

(+6V constant voltage output)

set

+ +

CHANNEL VOLUME

Turn ON the

main power (DC 6V)

While pressing both keys

at the same time;

2.4msec 2.4msec 2.4msec

600

sec 600

sec

LCD touch-key block COMMANDER OFF

CHANNEL +

VOLUME +

Operation

panel-key block

RM-AV2100B

2. S-RAM (Learning Function) Operation Check

Connection Method :

1) While pressing the VOLUME – key and the CHANNEL–

key, ture ON the main power of the regulated power supply

(DC +6V). (Refer to Fig. 2-1.)

2) When LEARN and 1 of the LCD display appear, remove

hands from pressing the above mentioned keys. (Refer to Fig.

2-2.)

3) The display appears when the S-RAM is not defective. (The

diaplay NG appears when the S-RAM is defective.) (Refer to

Fig. 2-2.)

4) The display status as descrived in step 3) continues until any

key is pressed.

•S-RAM (IC3) is diagnosed to be free from defects when the

above steps from 1) to 4) are performed correctly.

Fig. 2-1

Fig. 2-2

LEARN

LEARN NG

(NG) (OK)

After a while

CHANNEL VOLUME

Turn ON the

regulated power suppl

(DC +6V)

While pressing both keys at the same time;

CHANNEL–

VOLUME–

–

Regulated power supply

(+6V constant voltage output)

set

RM-AV2100B

SECTION 4

DIAGRAMS

4-1. Printed Wiring Board – Main Section –

MAIN BOARD (CONDUCTOR SIDE)

MAIN BOARD

MAIN

BOARD

(COMPONENT SIDE)

(COMPONENT

SIDE)

TTP

(

40KEY

)

(BUZZER)

DRY BATTERY

IZE "AA"

NATI

CS,

MMANDE

TEM

B/A

TIN

345678910

Note on Printed Wiring Board:

•X: parts extracted from the component side.

•Y: parts extracted from the conductor side.

•: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

•: Carbon pattern

Caution:

Pattern face side: Partsonthepattern facesideseenfrom

(Conductor Side) the pattern face are indicated.

Parts face side: Parts on the parts face side seen from

(Component Side) the parts face are indicated.

Ref. No. Location

D1 B-10

D2 B-9

D3 B-7

D4 B-7

D5 F-8

D6 E-10

D7 B-9

D8 C-8

D9 F-8

IC1 C-9

IC2 D-8

IC3 E-8

IC4 E-9

IC5 B-7

IC6 D-7

IC7 D-10

IC8 B-7

Q1 B-10

Q2 B-10

Q3 F-10

Q4 F-9

Q5 F-9

Q6 G-8

Q7 E-10

Q8 F-8

Q9 B-8

Q10 B-8

• Semiconductor

Location

RM-AV2100B

4-2. Schematic Diagram – Main Section – • See page 9 for IC Pin Function Description.

•All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

•All resistors are in Ωand 1/4W or less unless otherwise

specified.

•f: internal component.

•C: panel designation.

•A: B+ Line.

•Power voltage is dc 6V and fed with regulated dc power

supply from battery terminal.

•Voltages and waveforms are dc with respect to ground

under no-signal (detuned) conditions.

•Voltages and waveforms are dc with respect to ground in

playback mode.

•Voltages are taken with aVOM (Input impedance 10 MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

•Waveforms are taken with a oscilloscope.

Note:

•Waveforms

1IC1 qa XT2

4.6Vp-p

31µs

32kHz

2V/div

20µsec/div

4.6Vp-p

2V/div

0.1sec/div

0.5sec

5MHz

2IC1 7X2

TOTAL CURRENT

POWER OFF:

LIGHT OFF:

LIGHT ON:

0.12mA

0.17mA

6.0

5.0

4.5

5.0

4.6

5.0 5.0

5.0

4.9

5.0

4.8

5.0

4.8

5.0

5.0

4.8

0.4

0.7

0.1

5.0

0.1 0.5

4.5

2.4

2.5

2.4

2.5

2.4

2.5

2.4

2.5

2.4

2.5

2.5

2.4

2.5

3.1

5.0

2.4

0

2.3

5.0

0.7

5.0

0.8

5.0

2.6

2.9

4.9

5.0

4.9

5.0

6.0

11.3

11.7

52.0mA

2.5

2.4

5.0

1012

11121314151617181920

2 3

1011121314

515253545556575859606162636465666768697071727374757677787980

100

1516171819202122232425262728

R27 R28 R29

C20

C21

TP1

R23

TPD1

R25

R24

TPD3

R26

R33

R22

C16

TPE1

R20

R18

TP4

TP3

R15

TP2

R12

TP16

R13

TP5

R14

TP8

C11

TP9

R5 R6

TP10

TPX2

TPX1

TP25

TP26

TP15

TP14

R36

R35

Q10

R31

R34 R32

TP12

TP13

TP5V

TPGND

TP6V

IC4IC3

IC2

IC1

C15

C14

R19R17

IC7

IC8

TPTP

IC5

R10

IC6

R21

C10

C22

TP11

R37

C17

C18 R11

C12 C13

C19

R16

100k 100k 100k

470

2SD1328

8.2

470

2SD1328

8.2

470

2SD602

2SD1328

0.1

2SD602

100k

4.7k

10k

47k

15k

2SD601

0.01

120k

6.8k

10k

2.2M

39k 560

27k

TPS705

0.047

32.768KHz

5MHz

4.7k

2SD601

10k

MA152A

4.7k 15k

HD74HC373FPLHD74HC373FPL

518256LL70FT

UR64LD1

50V

470

10V

1SS294

1k100k

S80845ALNPT2

S80840ANNPT2

100

10V

100k

2SD601

2SB709

RH5RE50AA

2.2k

220p

3300p

0.047

0.01

100k

0.047

10k

33p

33p 330k

0.47F

5.5V

1SS294

47010V

0.01

A13

A11

A10

A14

A12

A14

A13

A12

A11

A10

P117

P116

P115

P114

P113

P112

P111

P31

P32

P33

P10

P26

P27

P70

P71

P72

VPP

VDD

XT1

XT2

RESET

P00

P01

P02P03

P04

P05

P110

P111

P112

P113

P114

P115

P116

P117

AVSS

P10

P11

P12

P13

P14

P15

P16

P17

VDD

AVREF

P100

P101

VSS

P102

P103

P31

P32

P33

P34

P35

P36

P37

P30

S20

S19

S18

S17

S16

S15

S14

S13

S12

S11

S10

S6S5

VSS

VLC2

VLC1

VLC0

BIAS

COM3

COM2

COM1

COM0

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S35

S36

S37

S38

S39

P25

E L

JP1

P25

P26

TTP

(40KEY)

EL1

(DATA IN)

(DATA OUT)

MUTING 1 2 3 LIGHT

COMMAN

DER

+ + TV VCR1 VCR2 VCR3 DVD

CBL

/SAT

(CHANNEL) (VOLUME)

AMP CD

/DAT

DECK

B/A TUNER DSP

(CHANNEL) (VOLUME)

DRY BATTERY

SYZE"AA"

IEC DESIGNATION

4pcs.6V

PRE AMP

RESET

REG.

DROM

REG.

DROM

SRAM

SYSTEM CONTROL

LED DRIVE

SWITCH

BUFFER DRIVE

SWITCHING

INVERTER

BUFFER

OSC

OFF

(BUZZER)

TO LCD

TP27

P27

P35

P34

(GND)

5.0

345678910111213

RM-AV2100B

Pin No. Pin Name I/O Pin Description

1,2 P26,27 O Segment signal output terminal.

3P70 I Serial input.

4P71 O Serial output.

5P72 I Asynchronous serial clock.

6VPP — Internally connected.

7X2OCrystal.(Main system clock)

8X1ICrystal.(Main system clock)

9VDD — Power supply.

10 XT1 I Crystal.(Subsystem clock)

11 XT2 O Crystal.(Subsystem clock)

12 RESET I Reset.

13,14 P00,01 I Remote control signal received input.

15 P02 O Remote control signal received block ON/OFF output.

16 to 18 P03 to P05 O Terminals to white external memory is connected.

19 to 26 P110 to P117 I Segment signal input terminal.

27 AVSS — Ananog ground.

28 to 35 P10 to P17 I/O Analog data input.

36 VDD — Power supply.

37 AVREF I Analog reference voltage.

38 P100 O EL control output.(bright)

39 P101 O EL control output.(dark)

40 VSS — Ground.

41 P102 O Latch. (upper bits)

42 P103 I Power supply termina.

43 P30 O Remote control signal received output.

44 to 48 P31 to P35 O Segment signal output terminal.

49 P36 O Buzzer clock.

50 P37 O Latch. (lower bits)

51 to 54 COM0 to COM3 O Common clock.

55 BIAS — LCD power supply bias contorl.

56 to 58 VLC0-2 — LCD power supply.

59 VSS — Ground.

60 to 83 S0 to S23 O Segment signal output terminal.

84 to 99 S24 to S39 I/O Segment signal input/output terminal.

100 P25 O Segment signal output terminal.

4-3. IC Pin Function Description

• IC1 (µPD780308024) (System Control)

NOTE:

•-XX, -X mean standardized parts, so they may

have some differences from the original one.

•Items marked “*” are not stocked since they

are seldom required for routine service. Some

delayshouldbeanticipatedwhenorderingthese

items.

•Themechanicalparts with no reference number

in the exploded views are not supplied.

•Accessories are given in the last of this parts

list.

RM-AV2100B SECTION 5

EXPLODEDVIEWS

Ref. No. Part No. Description Remarks Ref. No. Part No. Description Remarks

EL1

19-880-056-01 TTP

29-885-005-76 LCD

39-885-028-50 LID,BATTERY CASE

*49-885-003-62 MAIN BOARD, COMPLETE

59-995-523-01 FOOT,RUBBER

69-880-048-01 RUBBER SWITCH

79-885-028-49 CASE(LOWER)

*89-880-057-01 SPACER

*99-995-525-01 LCD BRACKET

*10 9-880-051-01 SEAL

11 9-995-518-01 SMOKE PLATE

12 9-885-028-48 CASE(UPPER)

13 9-885-005-63 COMMON TERMINAL(D)

14 9-885-005-62 COMMON TERMINAL(C)

15 9-885-005-64 COMMON TERMINAL(E)

*16 9-880-053-01 ZEBRA CONNECTOR

17 9-880-461-01 DAMPER (SPACER LABEL)

EL1 9-880-153-01 ELECTRO LUMINESCENT

#1 7-685-205-19 SCREW +KTP2X4 TYPE2 NON-SLIT

#2 7-685-103-19 SCREW +P2X5 TYPE2 NON-SLIT

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