JVC RX-7000-RBK Service manual

SERVICE MANUAL

MENU

ENTER

AUDIO/VIDEO CONTROL RECEIVER

RX-7000RBK

Area Suffix

E

Continental Europe

EN

Northern Europe

RX-7000RBK

TV/CATV/DBS

DVD DVD MUILTI CD TAPE/MD

TV/DBS PHONO FM/AM

ANALOG/DIGITAL

VCR

SURROUND

ON/OFF

123

TEST REAR-L

SURROUND

MODE

456

CD-DISC

EFFECT REAR-R

7

/P

89

SOUND

SUBWOOFER

SEA MODE

10

0

RETURN

MENU

SET

EXIT

CHANNEL VOLUMETV VOL

VCR

TV/VIDEO

TAPE/MD

CONTROL

PLAY

/REW

PTY SEARCH

PTY PTY

STOP PAUSE

REC

RM-SRX7000R REMOTE CONTROL

VCR

SLEEP

CENTER

MENU

ENTER

+10

100+FM MODE

AUDIO/ TV/VCR

CATV/DBS

TEXT DISPLAY

MUTING

FF/

RX-7000R AUDIO/VIDEO CONTROL RECEIVER

STANDBY

STANDBY/ON

PHONES

COMPULINK

Remote

ENHANCEDCOMPULINKCONTROL SYSTEM

SPEAKERS

12

SURROUND ON/OFF

EON

PTY SEARCH

DSP MODE

BALANCE/SURROUND

ADJUST

TA/NEWS/INFO

DISPLAY MODE

SEA MODE

SEA ADJUST

THEATER LIVE CLUB DANCE CLUB HALL PAVILION

INPUT

ANALOG/DIGITAL

FM/AM TUNING TUNER PRESET

TUNER/SEA MEMORY FM MODE

SETTING

SOUND SELECT

INPUT ATT.

BASS BOOST ONE TOUCH OPERATION

SOURCE NAME

DIGITAL

DVD

CD

TV SOUND/DBS PHONO

TAPE/MDVCR

FM

AM

SOURCE SELECTOR

MULTI JOG

–

MASTER VOLUME

+

DIGITAL

Contents

Safety precautions ---------------- 1-2 Disassembly method ------------- 1-3

This service manual is printed on 100% recycled paper.

Adjustment method --------------- 1-9 Description of major ICs --------- 1-10

No.20846

1-1

Jul. 2000

RX-7000RBK

Safety Precautions

1. This design of this product contains special hardware and many circuits and components specially for safety purposes. For continued protection, no changes should be made to the original design unless authorized in writing by the manufacturer. Replacement parts must be identical to those used in the original circuits. Services should be performed by qualified personnel only.

2. Alterations of the design or circuitry of the product should not be made. Any design alterations of the product should not be made. Any design alterations or additions will void the manufacturer`s warranty and will further relieve the manufacture of responsibility for personal injury or property damage resulting therefrom.

3. Many electrical and mechanical par ts in the products have special safety-related characteristics.

These characteristics are often not evident from visual inspection nor can the protection afforded by them necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in the Parts List of Service Manual. Electrical components having such features are identified by shading on the schematics and by ( ) on the Parts List in the Service Manual. The use of a substitute replacement which does not have the same safety characteristics as the recommended replacement parts shown in the Parts List of Service Manual may create shock, fire, or other hazards.

http://getMANUAL.com

4. The leads in the products are routed and dressed with ties, clamps, tubings, barriers and the like to be separated from live parts, high temperature parts, moving parts and/or sharp edges for the prevention of electric shock and fire hazard. When service is required, the original lead routing and dress should be observed, and it should be confirmed that they have been returned to normal, after re-assembling.

5. Leakage currnet check (Electrical shock hazard testing) After re-assembling the product, always perform an isolation check on the exposed metal parts of the product (antenna terminals, knobs, metal cabinet, screw heads, headphone jack, control shafts, etc.) to be sure the product is safe to operate without danger of electrical shock. Do not use a line isolation transformer during this check.

Plug the AC line cord directly into the AC outlet. Using a "Leakage Current Tester", measure the leakage current from each exposed metal parts of the cabinet , particularly any exposed metal part having a return path to the chassis, to a known good earth ground. Any leakage current must not exceed 0.5mA AC (r.m.s.)

Alternate check method Plug the AC line cord directly into the AC outlet. Use an AC voltmeter having, 1,000 ohms per volt or more sensitivity in the following manner. Connect a 1,500 10W resistor paralleled by a 0.15 F AC-type capacitor between an exposed metal part and a known good earth ground. Measure the AC voltage across the resistor with the AC voltmeter. Move the resistor connection to eachexposed metal part, par ticularly any exposed metal part having a return path to the chassis, and meausre the AC voltage across the resistor. Now, reverse the plug in the AC outlet and repeat each measurement. voltage measured Any must not exceed 0.75 V AC (r.m.s.). This corresponds to 0.5 mA AC (r.m.s.).

0.15 F AC TYPE

1500 10W

Good earth ground

AC VOLTMETER (Having 1000 ohms/volts, or more sensitivity)

Place this probe on each exposed metal part.

1-2

Warning

1. This equipment has been designed and manufactured to meet international safety standards.

2. It is the legal responsibility of the repairer to ensure that these safety standards are maintained.

3. Repairs must be made in accordance with the relevant safety standards.

4. It is essential that safety critical components are replaced by approved parts.

5. If mains voltage selector is provided, check setting for local voltage.

CAUTION

!

Burrs formed during molding may be left over on some parts of the chassis. Therefore, pay attention to such burrs in the case of preforming repair of this system.

RX-7000RBK

Disassembly method

Removing the top cover (See Fig.1)

1.

Remove the four screws A attaching the top cover on both sides of the body.

2.

Remove the three screws B on the back of the body.

3.

Remove the top cover from behind in the direction of the arrow while pulling both sides outward.

Removing the front panel assembly

(See Fig.2 and 3)

Prior to performing the following procedure, remove the top cover.

1.

Disconnect the card wire from connector CN400 on the main board and CN402 on the power supply board in the front panel assembly.

2.

Cut off the tie band fixing the harness.

A

Main board

CN400

Tie band

Top cover

2

A

B

Fig.1

2

Front panel assembly

C

Power supply

board

CN402

3.

Disconnect the harness from connector CN202 on the video board.

4.

Remove the three screws C attaching the front panel assembly.

5.

Remove the five screws D attaching the front panel assembly on the bottom of the body. Detach the front panel assembly toward the front.

Removing the rear panel (See Fig.4)

Prior to performing the following procedure, remove the top cover.

1.

Remove the power cord stopper from the rear panel by moving it in the direction of the arrow.

2.

Remove the twenty-six screws E attaching the each boards to the rear panel on the back of the body.

3.

Remove the three screws F attaching the rear panel on the back of the body.

E

3

Video board

CN202

D

E

3

E

3

Fig.2

Front panel assembly

Fig.3

5

E

2

D

Cord stopper

F

Rear panel

Fig.4

F

E

1-3

RX-7000RBK

Removing each board connected to the rear side of the main board

(See Fig.5 to 9)

Prior to performing the following procedure, remove the top cover and the rear panel.

CN202

1.

Cut off the tie band fixing the harness.

2.

Disconnect the harness from connector CN202 on the video board.

3.

Disconnect the tuner board from connector CN101, CN102 on the main board.

4.

Disconnect the SEA board and the audio board from connector CN452, CN301and CN302 on the main board.

5.

Disconnect the V-audio board from connector CN303 on the main board.

6.

Disconnect the relay board 4.Then, disconnect the video board and the S-video board from connector CN201 and CN241 on the main board.

7.

Disconnect the DSP board from connector CN501 and CN601 on the main board while removing the DSP board from the bracket fixing the lower part of the DSP board at the same time.

8.

Disconnect the compulink board from connector CN255 on the main board.

Tie band

Main board

CN101,CN102

SEA board

Tuner board

Main board

CN452

Audio board

Fig.5

Main board

CN302,CN301

Fig.6

S-video board

Video board

V-audio board

Audio board

Bracket

CN201

CN241

Fig.9

DSP board

Main board

CN601

Main board

CN501

Compulink board

Main board

CN255

CN302

CN452

Relay board 4

CN303

CN301

Fig.7

Main board

CN201

Fig.8

Main board

CN303

Main board

CN241

V-audio board

S-video board

Video board

1-4

Removing the main board / regulator board (See Fig.10 to 12)

Prior to performing the following procedure, remove the top cover and the rear panel.

ATTENTION:

1.

Disconnect the card wire from connector CN400 on the main board.

2.

Cut off the four tie bands fixing the harnesses.

3.

Disconnect the harness from connector CN811 on the power transformer board.

4.

Disconnect the relay board 1, 2 and 3 from the main board and the power supply board.

It is not necessary to remove the boards connected to the back of the main board. But to disassemble the main board and the power supply board efficiently, remove them.

Main board

CN400

Tie band

Main board

CN901

CN711

CN712

H H H

CN821

CN931

H

CN932

Fig.10

CN704

Relay board 1

Relay board 2

CN961

G

RX-7000RBK

Power supply board

CN811

Relay board 3

Power transformer

Tie band

5.

Disconnect the harness from connector CN704, CN821, CN901, CN711, CN712, CN931 and CN932, CN961.

6.

Remove the screw G attaching the regulator board to the heat sink cover.

7.

Remove the eight screws H attaching the main board to the heat sink cover.

8.

Remove the five screws I and the screw J attaching the main board to the chassis base (The resistor board will come off at the same time).

Removing the resistor board (See Fig.13)

Prior to performing the following procedure, remove the top cover.

1.

Disconnect the harness from connector CN881 on the resistor board.

2.

Remove the screw J attaching the resistor board.

Fig.11

Regulator board

I

J

Main board

I

Fig.12

Resistor board

Power transformer

Main board

Resistor board

CN881

Fig.13

J

1-5

RX-7000RBK

Removing the amplifier board

(See Fig.10 and 14)

Prior to performing the following procedure, remove the top cover.

1.

Cut off the four tie bands fixing the harnesses.

2.

Disconnect the harnesses from connector CN711, CN712, CN704 and CN901 on the main board respectively.

3.

Remove the four screws K and six screws L attaching the amplifier board.

4.

If necessary, unsolder the harness connected to connector CN803 and CN952 on the amplifier board.

Removing the power transformer

(See Fig.15)

Prior to performing the following procedures, remove the top cover.

1.

Unsolder the two harnesses connected to the power transformer.

2.

Disconnect the harness from connector CN811 and the harnesses connected to connector CN55 and CN56 on the power transformer board.

Main board

CN400

Tie band

Main board

CN711

K

Amplifier board

CN901

CN712

CN711

CN821

CN931

Fig.10

L

CN952

Fig.14

CN704

CN932

L

CN803

CN712

Relay board 1

Relay board 2

Power supply board

CN961

L

Tie band

CN811

Relay board 3

Power transformer

Tie band

K

3.

Remove the four screws M attaching the power transformer.

Removing the power / fuse board

(See Fig.16)

Prior to performing the following procedure, remove the top cover and the rear panel.

1.

Remove the screw N attaching the power / fuse board.

2.

Unsolder the power cord and other harnesses connected to the power / fuse board.

Solder

Fig.15

Power cord

CN55 CN56

CN811

M

Power transformer

M

Power transformer

N

Solder

Power / fuse board

1-6

Fig.16

Removing the power supply board

(See Fig.17 and 18)

Prior to performing the following procedure, remove the top cover and the front panel.

1.

Remove the one nut attaching the headphone jack of the power supply board on the front side of the body.

RX-7000RBK

2.

Disconnect the relay board 1, 2 and 3 from the power supply board and the main board respectively.

3.

Disconnect the harness connected to connector CN55 and CN56 on the power transformer board (If necessary, cut off the two tie bands fixing the harness on the side of the chassis base).

4.

Remove the four screws O attaching the power supply board and pull out the power supply board from the front bracket backward.

5.

Unsolder the three harnesses connected to the power supply board.

Removing the system control board / power switch board (See Fig.19 to 20)

Prior to performing the following procedure, remove the top cover and the front panel assembly.

1.

Pull out the volume knob on the front side of the front panel and remove the nut attaching the system control board.

Power supply board

Relay board 2

Relay board 3

Fig.17

Relay board 1

Fig.18

Headphone jack

Nut

Power supply board

Headphone jack

O

Power transformer

Nut

Front panel

Solder

O

Solder

O

Tie band

CN55 CN56

Tie band

2.

Remove the six screws P attaching the system control board on the back of the front panel and disconnect the harness from connector CN422 on the system control board.

3.

Disconnect the harness from connector CN430 on the power switch board.

4.

Remove the five screws Q attaching the power switch board.

System control board

P

Front panel assembly

P

Fig.19

Fig.20

Volume knob

CN422

Power switch board

Q

CN430

P

1-7

RX-7000RBK

Removing the operation switch board

(See Fig.21 to 23)

Prior to performing the following procedure, remove the top cover, the front panel assembly and the system control board.

1.

Remove the six screws R attaching the operation switch board on the back of the front panel.

2.

On the back of the front panel, release the four joints by pushing the joint tabs inward. Remove the operation switch board toward the front.

3.

Pull out the multi jog knob and the source selector knob.

4.

Remove the two screws S attaching the operation switch board.

Front panel

R

Joint

R

Fig.21

Multi jog knob

Source selector knob

Fig.22

S

Operation switch board

Fig.23

1-8

Adjustment method

Power amplifier section

Adjustment of idling current

Measurement location TP781 Adjustment part VR787(Lch) , VR788(Rch)

Attention This adjustment does not obtain a correct adjustment value immediately after the amplifier is used (state that an internal temperature has risen). Please adjust immediately after using the amplifier after turning off the power supply of the amplifier and falling an internal temperature.

1.Set the volume control to minimum during this adjustment.(No signal & No load)

2.Set the surround mode OFF.

2.Turn VR787 and VR788 fully counterclockwise to warm up before adjustment. If the heat sink is already warm from previous use the correct adjustment can not be made.

3.For L-ch,connect a DC voltmeter between TP781's pin1 and pin2 (Lch) And,connect it between pin3 and pin4(Rch).

4.30 minutes later after power on, adjust VR787 for L-ch, or VR788 for R-ch so that the DC voltmeter value has 1mV~10mV.

RX-7000RBK

* It is not abnormal though the idling current might not become 0mA even if it is finished to turn variable resistance (VR787,VR788) in the direction of counterclockwise.

VR787 (Lch)

Rch

Lch

4321

TP781

VR788 (Rch)

Heat sink

Main board

1-9

RX-7000RBK

Description of major ICs

AK4527 (IC601) : A/D,D/A Converter

1.Pin layout

CDTO

CDTI

CCLKCSPIS

XTO

XTI

AVSS

AVDD

VREFH

VCOM

2.Block diagram

LIN+ LIN-

SDOS OCKS MIS BCLK LRCK SDTI1 SDTI2 SDTI3 SDTO DAUX DFS

4443424140393837363534

1 2 3 4 5 6 7 8 9 10 11

1213141516171819202122

DEM1

DEM0

MCKO

DVDD

ADC

DVSSPDXTS

HPF

ICKS1

ICKS0

CAD1

Audio I/F

33 32 31 30 29 28 27 26 25 24 23

CAD0

VREFL RIN+ RINLIN+ LINROUT1 LOUT1 ROUT2 LOUT2 ROUT3 LOUT3

RIN+ RIN-

LOUT1

ROUT1

LOUT2

ROUT2

LOUT3

ROUT3

HPF

DA TT

LRCK BICK

MCLK

SDOUT

SDIN1 SDIN2 SDIN3

LPF

ADC

DAC

Block Diagram (DIR and AC-3) DSP are external parts)

DAUX

Format

Converter

SDOS SDTO SDTI1

SDTI2

SDTI3

1-10

RX-7000RBK

3. Pin function (1/2) No.

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 31 32

Pin name SDOS

OCKS

MIS

BICK LRCK SDTI1 SDTI2 SDTI3 SDTO DAUX DFS

DEM1

DEM0

MCKO DVDD DVSS PD

XTS

ICKS1 ICKS0 CAD1

CAD0

LOUT3 ROUT3 LOUT2 ROUT2 LOUT1 ROUT1 LINLIN+ RINRIN+

I/O

SDTO Source select pin

I

Function

"L" : Internal ADC output, "H" : DAUX input ORed with serial control register if P/S="L". MCKO Clock frequency select pin

I

"L" : MCLK, "H" : MCLK/2. ORed with serial control register if P/S= "L". Connect to GND

I

Audio serial data clock pin

I

Input/Output channel clock pin

I/O

DAC1 Audio serial data input pin

I

DAC2 Audio serial data input pin

I

DAC3 Audio serial data input pin

I

Audio serial data output pin

O

AUX Audio serial data input pin

I

Double speed sampling mode pin

I

"L" : Normal speed, "H" : Double speed, the ADC is powered down. ORed with serial control register if P/S="L". De-emphasis pin

I

ORed with serial control register if P/S="L" De-emphasis Pin

I

ORed with serial control register if P/S="L" Master clock output pin

O

Digital power supply pin

Digital ground pin

Power-down & Reset pin

I

When "L", the AK4527 is powered-down and the control registers are reset to default state. If the state of CAD0-1 changes, then the AK4527 must be reset by PDN. X'tal oscillator Select/Test mode pin

I

"H" : X'tal Oscillator selected "L" : External clock source selected Input clock select 1 pin

I

Input clock select 0 pin

I

Chip address pin

I

Used during the serial control mode. Chip address pin

I

Used during the serial control mode. Lch #3 analog output pin

O

Rch #3 analog output pin

O

Lch #2 analog output pin

O

Rch #2 analog output pin

O

Lch #2 analog output pin

O

Rch #1 analog output pin

O

Lch analog negative Input Pin

I

Lch analog positive Input Pin

I

Rch analog negative Input Pin

I

Rch analog positive Input Pin

I

AK4527(1/2)

1-11

RX-7000RBK

3.Pin function (2/2) No.

33 34

35 36 37 38 39

Pin Name VREFL VCOM

VREFH AVDD AVSS XTI XTO MCKI

40

41

P/S

DIF0 CS

42

DIF1 CCLK

43

LOOP0

CDTI

44

LOOP1

CDTO

I/O I O

I

-

I O I I

I I I I I

I I

O

AK4527(2/2)

Function Negative voltage reference Input pin, AVSS Common voltage output pin,AVDD/2 Large external capacitor around 2.2uF is used to reduce power-supply noise Positive voltage reference input pin,AVDD Analog power supply pin Analog ground pin X'tal input pin X'tal output pin if XTS="H" External master clock input pin if XTS="L" Parallel/Serial select pin "L" : Serial control mode, "H" : Parallel control mode Audio data interface format pin in parallel mode Chip select pin in serial mode Audio data interface format pin in parallel mode Control data clock pin in serial mode Loop back mode pin in parallel mode Enables digital loop-back from ADC to 3 DACs. Control data input pin in serial mode Loop back mode pin in parallel mode Enable all 3 DAC channels to be input from SDTII. Control data output pin in serial mode

BA7625 (IC242,IC201) / BA7626 (IC241): Video selector

MONITOR OUT

GND

IN5

GND

IN4

CTL E

IN3

CTL D

1

2

3 4

5

6

7 8

logic

16

15

14

13

12

11

10 11

IN1

CTL A

VOUT 1

CC

V

IN2

CTL B

VOUT 2 CTL C

A B E MONITOR OUT

LL

HL

LH HHL IN4 HHH IN5

* * *

IN1 IN2 IN3

C D E VOUT1

LL HL

LH HHL IN4 HHH IN5

* * *

-IN2 IN3

C D E VOUT2

LL

HL

LH HHL IN4 HHH IN5

* * *

IN1

--

IN3

1-12

BU2092(IC402,IC405):LED Controller

1.Terminal Layout

RX-7000RBK

Vss

DATA

CLOCK

LCK

Q0

Q1

Q2

Q3

Q4

1

2

3

4

5

6

7

8

9

CONTROL

CIRCUIT

12BIT SHIFT RESISTER

12BIT STRAGE RESISTER

OUTPUT BUFFER(OPEN DRAIN)

17

16

15

14

13

12

11

10

18

Vdd

OE

Q11

Q10

Q9

Q8

Q7

Q6

Q5

2.Pin Function Pin No.

1 2 3 4

5~16

17 18

Symbol

Vss

DATA

CLOCK

LCK

Q0~Q11

OE

Vdd

I/O

I I I

O

I

-

Function

Connect to GND Serial Data input Shift Clock of Data Latch Clock of Data Parallel Data Output

Latch Data L H OUTPUT ON OFF

Output Enable Power Supply

1-13

RX-7000RBK

LA1838(IC102): FM AM IF AMP&detector, FM MPX Decoder

1. Block Diagram 30

ALC

BUFF

FM S-METER

FM IF

1

2. Pin Function

Symbol

No.

FM IN

1

AM MIX

2

3

FM IF

AM IF

4

GND

5 6

TUNED

STEREO

7

8

VCC

9

FM DET

10

AM SD

FM VSM

11

AM VSM

12 13

MUTE

14

FM/AM

MONO/ST O

15

29

AM

OSC

SD COMP

S-CLRVE

PM DET

2

I/O

I

This is an input terminal of FM IF

28

REG

AM

MIX

AM/FM IF-BUFF

3

27

FM

RF.AMP

AM IF

4

26

AGC

AM S-METER

GND

Function

DET

5

signal.

This is an out put terminal for AM

O

mixer.

I

Bypass of FM IF

Input of AM IF Signal.

I

This is the device ground terminal.

When the set is tunning,this terminal

O

becomes "L".

O

Stereo indicator output. Stereo "L", Mono: "H"

III

This is the power supply terminal.

I

FM detect transformer.

I

This is a terminal of AM ceramic filter.

O

Adjust FM SD sensitivity.

O

Adjust AM SD sensitivity.

I/O

When the signal of IF REQ of IC121( LC72131) appear, the signal of FM/AM IF output. //Muting control input.

Change over the FM/AM input.

I

"H" :FM, "L" : AM

Stereo : "H", Mono: "L"

25

TUNING DRIVE

6

24

STEREO DRIVE

7

22

23

P-DET

VCC

89

Symbol

No.

16

R OUT

17

L OUT

18

19

20

21

22

23

24

25

26

27

28

29

30

R IN

L IN

RO LO

IF IN

FM OUT AM DET AM AGC

AFC

AM RF

REG

AM OSC

OSC BUFFER

21

DECODER ANIT-BIRDIE

VCO 384KHz

10

20

STEREO 5N SW

FF 38k

11

I/O

O

Right channel signal output.

O

Left channel signal output.

Input terminal of the Right channel post

I

18

19

MUTE

FF

/

19k

2

12 13

FF 19k

/

LS

Function

17 16

PILOT DET

14

AMP. Input terminal of the Left channel

I

post AMP. Mpx Right channel signal output.

O O

Mpx Left channel signal output.

I

Mpx input terminal

FM detection output.

O

AM detection output.

O

This is an AGC voltage input terminal

I

for AM

I

This is an output terminal of voltage for FM-AFC.

AM RF signal input.

I

Register value between pin 26 and pin28

O

besides the frequency width of the input signal.

I

This is a terminal of AM Local oscillation circuit.

AM Local oscillation Signal output.

O

15

1-14

LC72136N (IC121) : PLL Frequency synthesizer

1. Pin layout

FM/AM

CLOCK

FM/ST/VCO

AM/FM

2. Block diagram

XT

CE

DI

DO

SDIN

1 2 3 4 5 6 7 8 9 10 11

22 21 20 19 18 17 16 15 14 13 12

XT GND LPFOUT LPFIN PD VCC FMIN AMIN

IFCONT IFIN

RX-7000RBK

1

22

16

15

3

4 5

6

17 21

3. Pin function

Symbol

No. 1 2 3

4

5 6

7

8 9 10 11

XT

FM/AM

CE

DI

CLOCK

DO

FM/ST/VCO

AM/FM

LW

MW

SDIN

Reference

Driver

Swallow Counter

1/2

C

2B

I/F

Power

on

Reset

Function

I/O

X'tal oscillator connect (75kHz)

I

LOW:FM mode

O

When data output/input for 4pin(input) and

I

Swallow Counter

1/16,1/17 4bit

12bit

Programmable

DriverS

Data Shift Register & Latch

7821113

6pin(output): H Input for receive the serial data from

I

controller Sync signal input use

I

Data output for Controller

O

Output port "Low": MW mode

O

Open state after the power on reset

O

Input/output port

I/O

Input/output port

I/O

Data input/output

I/O

Phase

Detector

Charge Pump

Unlock

Detector

Universal

Counter

Symbol

No. 12

IFCONT

13 14

15

16 17

18

19

LPFOUT

20 21 22

IFIN

AMIN

FMIN

VCC

PD

LPFIN

GND

XT

18 19

20

12

I/O

Function IF counter signal input

I

IF signal output

O

Not use

-

AM Local OSC signal output

I

FM Local OSC signal input

I

Power suplly(VDD=4.5-5.5V)

When power ON:Reset circuit move PLL charge pump output(H: Local OSC

O

frequency Height than Reference frequency. L: Low Agreement: Height impedance) Input for active lowpassfilter of PLL

I

Output for active lowpassfilter of PLL

O

Connected to GND

X'tal oscillator(75KHz)

I

1-15

RX-7000RBK

LC7522 (IC451) : SEA Control

1.Pin layout 2.Block diagram

1

28

2

27

3

26

4

25

5

24

6

23

7

22

8

21

9

20

10

19

11

18

12

17

13

16

14

15

D1

CLK

TEST1

10

f1

9

f2

8

f3

7

f4

6

f5

5

f6

4

f7

16 17 13

S

4

Control Shift Resistor

3.Pin function

Pin No. Symbol

1 18 14 15

2,27 3,26

VDD VSS VEE VCC

IN 1 IN 2

16 D1 Data input terminal from CPU

17 CLK Clock input terminal from CPU

4~10

f1~f7 Joint terminal of B.P.F.

19~25

11 12

13

TEST1 TEST2

S

28 NC No use

Power Supply terminal for Audio signal +7V(typ) Power Supply terminal 0V Power Supply terminal for Audio signal. Single channel use, joint VSS. Power Supply terminal +5V(typ)

Audio signal Input terminal IN1 joint opposite input of Operation amp. IN2 joint inapposite input of Operation amp. It have Right and Left.

Shumit inverter style

f1~f7 X Right, Left Total 14 terminal Internal test terminal of IC

It can use open condition Select terminal for 2 tip use

"1" input, key code 7C3 - VDD joint "0" input, key code 7C2 - VEE joint

+ –

2IN1

3IN2 27 IN126 IN2

Network Resistor

Latch Circuit

18

1

Vdd

Vss

14

Vee

Function

Network Resistor

15

Vcc

+ –

19

f1

20

f2

21

f3

22

f4

23

f5

24

f6

25

f7

12

TEST2

1-16

MN101C15FDE (IC401) : System control micon

1. Pin layout 80 61

1

60

RX-7000RBK

20

21 40

2. Pin function

Pin No

1 2 3 4 5 6

Symbol Symbol

GND

DVD-S/C

VCR1-S/C

VIDEO-S/C

TV-S/C

4/8-IN

7 8 9 10

GND

PROTECT

GND

11 12 13

OSC 12 OSC 11

14 15 16 17 18 19 20 21 22 23

GND

TEXT-OUT

TEXT-IN

MASTER

DSP-COMMAND

DSP-STATUS

DSP-CLK

24 25 26 27

RESET-IN

TUNER-CE

TUNER-CLK

28

TUNER-DATA

29

TUNER-MUTE

30 31 32 33

34

TUNER-IN

STEREO-IN

RDS-ST

M-BUSY

35 36 37 38 39 40

OSD-DATA

OSD-STB OSD-CLK

VIDEO1 VIDEO2

VDD

VSS

X1 X0

INH

41

Functions Functions

Ground DVD S/C signal select terminal VCR1 S/C signal select terminal VIDEO S/C signal select terminal TV S/C select terminal 4 ohm / 8 ohm select signal terminal

Ground Protect Ground Power supply Oscillation terminal Oscillation terminal Ground Ground No use Ground Text signal output terminal Text signal input terminal Master signal terminal DSP control signal terminal DSP control signal terminal DSP control signal terminal No use Reset signal input terminal Tuner chip enable Tuner clock signal terminal No use Tuner control signal terminal Tuner mute signal terminal Tuner signal input terminal Stereo signal input terminal Data start signal for block data to output serial data. Busy signal from IC400 Inhibit signal input OSD data signal input terminal OSD standby signal terminal OSD clock signal terminal VIDEO 1 signal terminal VIDEO 2 signal terminal

Pin No

41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80

VIDEO3 VIDEO4 S.MUTE

RDS-DATA

RDS-CLK DSP-READY DSP-RESET

M/CS

M-RESET

M-STATUS

M-COMMAND

M-CLK

SEA-CLK

SEA-DATA

VL/VH

4/8 OUT

SW-DATA

SW-CLK

VOL-STB

VOL-DATA

VOL-CLK

SW-STB

FR1-RELAY FR2-RELAY

CNTR-RELAY

SUR-RELAY

SUB-MUTE

LED-LCK2

C.TONE3

C.TONE2

C.TONE1

LED-LCK1 LED-DATA

LED-CLK

VIDEO 3 signal terminal VIDEO 4 signal terminal Source mute control terminal No use No use No use RDS control signal terminal No use RDS control signal clock DSP control signal clock DSP reset signal terminal Control signal from IC400 Reset signal from IC400 Status signal from IC400 Command signal from IC400 Clock signal from IC400 SEA clock signal from terminal SEA data signal terminal Connect to power supply board 4 ohm / 8 ohm select signal terminal Switch data signal terminal Switch clock signal terminal Volume strobe signal terminal Volume data signal terminal Volume clock signal terminal Switch strobe signal terminal No use No use Relay 1 signal terminal Relay 2 signal terminal Center speaker relay terminal Surround speaker relay terminal SUB woofer out mute control LED latch clock signal terminal Center tone 3 signal terminal Center tone 2 signal terminal Center tone 1 signal terminal LED latch clock signal terminal LED data signal terminal LED clock signal terminal

1-17

RX-7000RBK

MB90088PF-131 (IC203) : On screen display controller

1.Terminal layout

YIN

VIN CIN AVcc

FSCO

VBLK

Vcc EXS

XS HSYNC VSYNC

EXHSYN EXVSYN

Vss

2.Block diagram

SIN

SCLK

CS

EXHSYN EXVSYN

1 2 3 4 5 6 7 8 9 10 11 12 13 14

28

AVss

27

YOUT

26

VOUT

25

COUT

24

CS

23

SIN

22

SCLK

21

TEST

20

VOC0

19

VOC1

18

VOC2

17

VOB

16

XD

15

EXD

Serial Input Control

H/V Separate

Each Control, Data

VIN YIN

CIN

HSYNC

VSYNC

XS

EXS

XD

EXD

NTSC/PAL Signal OSC

Display Memory Control

VRAM

4FSC CLK OSC

Dot CLK OSC

Each Block

Analog SW

Video Signal OSC

Output Control

CGROM

VOUT YOUT COUT

BOUT ROUT GOUT IOUT VOC VOB

1-18

3.Pin functions (MB90088PF-131)

Symbol I/O Function

no

YIN

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

VIN CIN AVcc IOUT VOC

Vcc EXS XS HSYNC VSYNC EXHSYN

EXVSYN

Vss EXD XD VOB GOUT ROUT

BOUT TEST

SCLK SIN CS COUT VOUT YOUT AVss

I

Brightness signal Input terminal for Superinpause indication

I

Composite video signal input terminal for Superinpause indication Contrast signal input terminal for Superinpause indication

I

-

Analog power supply terminal

O

Color (Brightness) signal output terminal Character output terminal

O

Power supply terminal

Clock generater outside circuit terminal for color burst

I O O

Horizontal signal output terminal

O

Vertical signal output terminal

EXT horizontal signal input terminal

I

EXT vertical signal input terminal

I

GND

Dot clock generater outside circuit signal terminal for indication

I O

Character & background signal output terminal

O

Color signal (Green, Red, Blue)

O

I

Test signal input terminal Shift clock input terminal for serial transmission

I

Serial data input terminal

I

Chip select terminal

I

Contrast signal output terminal

O

Composite video signal output terminal

O O

Brightness signal output terminal Analog GND terminal

-

RX-7000RBK

NJM2285D (IC202) : Video switch

1.Terminal layout & Block diagram

GND 1 IN 2B

IN 1A

16 15 14 13 12 11 10 9

L

H

Bias Type

Clamp Type

12345678

IN 1B

CTL 1

OUT 1

CTL 2 IN 2A GND 3 IN 3B

V+

HL

GND 2 OUT 2

OUT 3 CLT 3 IN 3A

Clamp Type

H

L

1-19

RX-7000RBK

MN173222DG(IC400):FL Display & Operation switch control

1.Pin layout

84 64

1

63

21

22 42

43

2.Key matrix

KEY OUT1

DSP MODE

LOUDNESS

SEA MODE

KEY IN 0

KEY IN 1 KEY IN 2 KEY IN 3

KEY OUT 0

POWER

SURROUND

SPEAKER 1 SPEAKER 2

3.Pin function Pin No. I/O

1~22

23

24~39

40,41 42,43

44 45 46 47 48 49 50 51 52 53 54 55

56,57

58

Symbol Description

S22~S1

VPP

G15~G1/KO0~5

JOG1,2 JOG3,4

M BUSY

M CLK

M COMMAND

M STATUS

M CS

RM VCRI DCSI

DCSO VCRO

TVD TVC

JOG5,6

POWER

59 60~63 64~67

68

69

70

71

72

73

KI3~KI0

S36~S33

RST

X1 X2

VSS OSC2 OSC1

74

75~84

S32~S23

ANALOG/

DIGITAL

KEY OUT 2

SEA ADJUST

FM MODE

LEVEL ADJUST

SOUND SELECT

O

-

O

I I

O

I/O

I

O

I I I

I O O O O

I

I O

I

-

O

FL Segment control signal Power supply terminal FL grid control signal / Key matrix output Source select JOG1,2 Volume JOG 3,4 BUSY Signal output to IC401 Clock signal to IC401 Command data input from IC401 Status signal output to IC401 Chip select signal input from IC401 Remote control signal input AV Compu-link VCR input AV Compu-link DCS input AV Compu-link DCS output AV Compu-link VCR output AV Compu-link TV output AV Compu-link TV control output Multi JOG 5,6 Power ON control output STANDBY LED control H:Lighting Key matrix input FL Segment control signal Reset input Connect to GND Non connect Connect to GND Oscillation terminal 6MHz Oscillation terminal 6MHz Not use FL Segment control signal

KEY OUT 3 KEY OUT 5

FM/AM TUNING

TUNER PRESET

MEMORY SETTING

KEY OUT 4

DISPLAY MODE

TA/NEWS/INFO

EON

PTY SEARCH

ONE TOUCH

OPERATION

1-20

TC9162AN (IC321): Analog switch

1.Function Switch to On/Off of S1 to S8 by control of LSI.

2.Terminal Lay out & Block Diagram

TC9162N

VSS

L-S1

S-2

1

2

3

28

27

26

RX-7000RBK

VDD

R-S1

S-2

COM-1

S-3

S-4

COM-2

S-5

S-6

COM-3

S-7

COM-4

GND

4

5

SHIFT

6

7

8

9

10

11

12

13

ST

14

RESISTOR

&

LATCH

SHIFT RESISTOR

SHIFT

RESISTOR

&

LATCH

25

24

23

22

21

20

19

18

17

16

15

COM-1

S-3

S-4

COM-2

S-5

S-6

COM-3

S-7

COM-4

DATA

CK

W24L011AJ-15(IC641):SDRAM

1.Pin layout 2.Block diagram 3.Pin function

A0 A1 A2 A3

CS I/O1 I/O2

VDD VSS

I/O3 I/O4

WE

A4 A5 A6 A7

10 11 12 13 14 15 16

1 2 3 4 5 6 7 8 9

32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17

A16 A15 A14 A13 OE I/O8 I/O7 VSS VDD I/O6 I/O5 A12 A11 A10 A9 A8

Vdd Vss

A0

A16

CS OE

WE

DECODER

CONTROL

CORE

ARRAY

I/O1

DATA I/O

I/O8

Symbol Description

A0~A16

I/O1~I/O8

CS

WE

OE

Vdd

Vss

Address inputs Data inputs/outputs Chip select inputs Write enable input Output enable input Power supply Ground

1-21

RX-7000RBK

TC9446F-014(IC631):Digital signal processor for dolby digital

/ DTS audio decode

Pin No. Symbol I/O Function

1 2 3 4 5 6 7

8~11

12 13 14 15

16~18

19 20 21 22 23 24 25 26

27,28

29~31

32,33

34 35 36 37

38,39

40 41 42 43 44 45 46 47 48 49 50 51 52 53

54~61

62

63~70

71

72~80

81

82~89

90 91

92,93

94 95 96 97

98,99

100

RST MIMD MICS

MILP

MIDIO

MICK

MIACK

FI0~3

IRQ

VSS

LRCKA

BCKA

SDO0~2

SD03

LRCKB

BCKB

SDT0 SDT1

VDD

LRCKOA

BCKOA

TEST0,1

LRCKOB,BCKOB,TXO

TEST2,3

RX

VSS

TSTSUB0

FCONT

TSTSUB1,TSTSUB2

PDO

VDDA PLON

AMPI

AMPO

CKI

VSSA

CKO

LOCK

VSS

WR

OE CE

VDD

IO7~0

VSS

AD0~7

VDD

AD8~16

VSS

PO0~7

VDDDL

LPFO

DLON,DLCKS

SCKO

VSSDL

SCKI VSSX XO,XI

VDDX

Reset signal input terminal (L:reset H:Operation usually)

I

Microcomputer interface mode selection input terminal (L:serial H:IC bus)

I

Microcomputer interface chip select input terminal

I

Microcomputer interface latch pulse input

I

Microcomputer interface data I/O terminal

I/O

Microcomputer interface clock input terminal

I

Microcomputer interface acknowledge output terminal

O

Flag input terminal 0~3

I

Interrupt input terminal

I

Digital ground terminal

Audio interface LR clock input terminal A

I

Audio interface bit clock input terminal A

I

Audio interface data output terminal 0

O

Non connect

Audio interface LR clock input terminal B

I

Audio interface bit clock input terminal B

I

Audio interface data input terminal 0

I

Audio interface data input terminal 1

I

Power supply for digital circuit

Audio interface LR clock output terminal A

O

Audio interface bit clock output terminal A

O

Test input terminal 0/1 (L:test H:operation usually)

I

Non connect

Test input terminal (L:test H:operation usually)

I

SPDIF input terminal

I

Ground terminal for digital circuit

Test sub input terminal 0 (L:test H:operation usually)

I

VCO Frequency control output terminal

O

Test sub input terminal 1,2 (L:test H:operation usually)

I

Phase error signal output terminal

O

Power supply for analog circuit

Clock selection input terminal (L:external clock H:VCO clock)

I

AMP.input terminal for LPF

I

AMP.output terminal for LPF

O

External clock input terminal

I

Ground terminal for analog circuit

DIR Clock output terminal

O

VCO Lock detection output terminal

O

Ground terminal for digital circuit

External SRAM writing signal output terminal

O

External SRAM output enable signal output terminal

O

External SRAM chip enable signal output terminal

O

Power supply terminal for digital circuit

External SRAM data I/O terminal 7~0

I/O

Ground terminal for digital circuit

External SRAM address output terminal 0~7

O

Power supply terminal for digital circuit

External SRAM address output terminal 8~16

O

Ground terminal for digital circuit

General purpose output terminal 0~7

O

Power supply terminal for DLL

LPF output terminal for DLL

O

Refer to the undermentioned table

I

Non connect

Ground terminal for DLL

External system clock input terminal

I

Ground termonal for oscillation circuit

Oscillation I/O terminal

I/O

Power supply terminal for oscillation circuit

-

1-22

DLCKS terminal

L

L H H

DLONterminal

L

H

L

H

DLL clock setting SCKI input (DLL circuit OFF) Four times XI clock Three times XI clock Six times XI clock

TC9459F (IC331,IC332,IC333) : Electronic volume control

1.Pin layout

VSS L-OUT NC

L-ch

L-IN L-LD1 L-LD2 L-A-GND NC CS1 NC GND CK

1 2 3 4 5 6 7 8 9 10 11 12

24 23 22 21 20 19 18 17 16 15 14 13

VDD R-OUT NC R-IN R-LD1 R-LD2 R-A-GND NC CS2 NC STB DATA

R-ch

2. Block diagram

2

L-OUT

3

NC

L-1N

L-LD1

L-LD2

L-A-GND

NC

CS1

NC

GND

CK

4

5

6

7

8

9

10

11

12

50k / 91 STEP

VR

L-ch 7 to 91 decoder L-ch data latch circuit

VSS

1

Shift register (24BIT)

Level shift circuit

VDD

24

Same as L-ch Circuit

R-ch 7 to 91 decoder R-ch data latch circuit

RX-7000RBK

23

R-OUT

22

NC

21

R-IN

20

R-LD1

19

R-LD2

18

R-A-GND

17

NC

16

CS2

15

NC

14

STB

13

DATA

3.Pin function Pin No.

1 2 3 4 5 6 7 8 9 10 11 12

Symbol VSS L-OUT NC NC L-LD1 L-LD2 L-A-GND NC CS1 NC NC CK

Function Negative power supply pin Volume output pin No connection No connection Loudness tap output pin Loudness tap output pin Analog GND pin No connection Chip select input pin No connection No connection Data transfer clock input

Pin No. 13 14 15 16 17 18 19 20 21 22 23 24

Symbol DATA STB NC CS2 NC R-A-GND R-LD2 R-LD1 R-IN NC R-OUT VDD

Function

Volume setup serial data input

Data write strobe input No connection Chip select input pin No connection Analog GND pin Loudness tap output pin Loudness tap output pin Volume input pin No connection Volume output pin Positive power supply pin

1-23

RX-7000RBK

UPD784215AGC103(IC671):UNIT CPU

1.Pin layout

75 ~ 51

76

~

50

~

100

1 ~ 25

26

2.Pin function Pin No. Symbol I/O Function

1~8

9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24

25~32

33

34,35

36

37,38

39 40 41 42 43 44

45,46

47 48 49 50

51,52

53

54~63

64,65

66 67 68

69,70

71 72

73~80

81 82 83 84 85 86 87 88 89

90~93

94

95~100

VDD

X2 X1

VSS

XT2 XT1

RESET

AUTODAT A

LOCK DIGITAL0 FORMAT

CHANNEL

ERR

RSTDET

AVDD

AVREF0

AVSS

RX,TX

DSPCOM

DSPSTS DSPCLK

DSPRDY

MIDIO_IN/OUT

MICK MICS MILP

MIACK

DSPRST

CDTI/CDTO

CCLK

CS

XTS

PD

GND

VDD 3D-ON 3D-ON

ANA/T-TONE

REF-MIX

D.MUTE S.MUTE

ASW1~4

TEST

Non connect

Power supply terminal

Connecting the crystal oscillator for system main clock

O

Connecting the crystal oscillator for system main clock

I

Connect to GND

Connecting the crystal oscillator for system sub clock

O

Connecting the crystal oscillator for system sub clock

I

System reset signal input

I