KENWOOD HTB-203 Owner's Manual

KENWOOD HTB-203 Owner's Manual
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Owner's Manual for KENWOOD HTB-203, downloadable as a PDF file.

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Sample pages

AUDIO VIDEO SURROUND RECEIVER

KRF-V7030D/V7030D-S

KRF-V8030D/V8030D-S

VR-407/409

SERVICE MANUAL

70%

A SPEAKERS B

STANDBY

MULTI CONTROL

LISTEN MODE

SOUND

SOURCE DIRECT

AUTO

BAND

MEMORY

INPUT SELECTOR

VOLUME CONTROL

DOWN

PROLOGIC

3 STEREO

DOWN MIX

DOLBY

DIGITAL

DTS

INPUT MODE

SET UP

S-VIDEO

VIDEO

L AUDIO R

AV AUX

DIMMER

MONITOR

PHONES

ON/STANDBY

POWER

OPTICAL

DVD

CD/DVD

VIDEO 3

VIDEO

VIDEO 2

COAXIAL

OPTICAL

DIGITAL IN

S-VIDEO

DVD

VIDEO 1

VIDEO 2

VIDEO 3

MONITOR

PLAY IN

REC OUT

PLAY IN

REC OUT

VIDEO 1

VIDEO 2

VIDEO 3

PLAY IN

REC OUT

SYSTEM CONTROL

FRONT SPEAKERS

(8 16

)

CENTER SPEAKERS

(8 16

)

SUB WOOFER PRE OUT

FRONT SPEAKERS

SURROUND SPEAKERS

AC OUTLET

(8 16

)

(8 16

)

RED

BLUE

GREEN

GND

MONITOR

PLAY IN

REC OUT

AUDIO

MD/TAPE1

CD/DVD

PHONO

GND

REC OUT

FRONT

CENTER

SURROUND SUB WOOFER

DVD/6ch INPUT

Front glass *

(B10-)

Panel

(A60-1744-12)

Knob

(K29-7678-04)

Knob

(K29-7681-14)

Knob

(K29-7675-12)

Phone jack

(E11-0272-05)

Pin jack 6P

(E63-1139-05)

Metallic cabinet

(A01-3731-01)

Power cord bushing

(J42-0083-05)

AC power cord *

(E30-)

Lock terminal board

(E20-0321-05)

Pin jack x2

(E63-1143-05)

Lock terminal board

(E70-0065-05)

AC outlet *

(E03-)

Pin jack *

(E63-)

Knob

(K29-7681-14)

Pin jack

(E63-1144-05)

Screw terminal board

(E70-0049-05)

Pin jack

(E63-1146-05)

Miniature phone jack

(E11-0293-05)

Cylindrical receptacle

(E06-0709-05)

Pin jack

(E63-1080-05)

Optical receiving module

(W02-2716-05)

Illustration is KRF-V7030D E type.

* Refer to parts list on page 39.

Cylindrical

receptacle 3Px2

(E56-0011-05)

Pin jack

(E63-1142-05)

Resetting the Microcomputer

For U.S.A. and Canada

For other countries

If the microcomputer may malfunction (unit cannot be operated,

or shows an erroneous display) if the power cord is unplugged

while the power is ON, or due to some other external factor. If

this happens, execute the following procedure to reset the

microcomputer and return the unit to its normal operating

condition.

Please note that resetting the microcomputer will clear the contents

of the memory and returns the unit to the state it was in when it left

the factory.

Unplug the power cord from the wall outlet, then plug it back in

while holding down the POWER key.

With the power cord plugged in, turn the POWER key OFF. Then,

while holding down the ON/STANDBY key, press POWER.

FM indoor antenna (1)

(T90-0836-05)

AM loop antenna (1)

(T90-0852-05)

Remote control unit (1)

RC-R0609/R0610

*AC plug adaptor (1)

(E03-0115-05)

* Use to adapt the plug on the power cord

to the shape of the wall outlet.

(Accessory only for regions where use is

necessary.)

Batteries (R6/AA) (2)

Remote control unit (1)

RC-R0808/0809

Batteries (R6/AA) (2)

KRF-V7030D/V8030D/VR-407/409

CONTENTS / ACCESSORIES

CONTENTS / ACCESSORIES .................................. 2

BLOCK DIAGRAM ......................................................3

CIRCUIT DESCRIPTION ............................................4

ADJUSTMENT ..........................................................11

PC BOARD .............................................................. 12

SCHEMATIC DIAGRAM .......................................... 17

EXPLODED VIEW ....................................................37

PARTS LIST..............................................................38

SPECIFICATIONS ....................................................51

Contents

Accessories

Model name vs remote controller

Cautions

Remote Controller

MODEL

Destinations Parts number Model name Battery cover

VR-407

A70-1330-05

RC-R0609

A09-1178-08

VR-407

A70-1330-05

RC-R0609

A09-1178-08

KRF-V7030D

A70-1330-05

RC-R0609

A09-1178-08

KRF-V7030D-S

A70-1330-05

RC-R0609

A09-1178-08

KRF-V7030D-S

A70-1330-05

RC-R0609

A09-1178-08

KRF-V7030D-S

A70-1330-05

RC-R0609

A09-1178-08

VR-407-S

A70-1330-05

RC-R0609

A09-1178-08

VR-409

A70-1315-05

RC-R0809

A09-1166-08

VR-409

A70-1315-05

RC-R0809

A09-1166-08

KRF-V8030D

A70-1315-05

RC-R0809

A09-1166-08

KRF-V8030D-S

A70-1315-05

RC-R0809

A09-1166-08

KRF-V8030D-S

A70-1315-05

RC-R0809

A09-1166-08

KRF-V8030D-S

A70-1315-05

RC-R0809

A09-1166-08

KRF-V8030D

A09-1166-08

A70-1345-05

RC-R0808

KRF-V7030D

A70-1331-05

RC-R0610

A09-1178-08

KRF-V7030D

A70-1331-05

RC-R0610

A09-1178-08

LINE BUF

PHONO EQ

TUNER

AK4527

LPF

M62446SP

6ch E. VOL

with 2ch

TONE CONT.

x0.5

BUF

IC113

+20/0dB

HIT

-B

HIT

LOWT

-B

LOWT

VIDEO2

(VIDEO2/MONI.)

OPTICAL

VIDEO3

VIDEO2

VIDEO1

PHONO

/TAPE

MONI

PLAY

REC

OUT

Lch

H, P, Rch

H, P, Lch

Rch

Cch

Lch

Rch

LSch

RSch

SWch

SP-B

SP-A

AC IN

+5V

A.V.R

for

u-COM

+15V

A.V.R

-15V

+5V

+7V

-7V

A.V.R

for E. VOL

u-COM

for FIL AC

(AUDIO & VISUAL)

TUNER etc.

for AMP (HI TAP)

for AMP (LOW TAP)

for RELAY SW

IC601,602

SWITCHED

D101

D103

D41

IC103

IC104

-30V

Q54

IC51

IC2

IC15

Q13

Q14

Q11

Q12

Q17

IC114

for INPUT SEL.

CIRCUIT

(1/2)

(2/2)

(1/2)

(2/2)

IC111

IC112

IC110

IC112

6ch INPUT

DVD

SUB

#S5

#S2

DIG

#S4

R,L

MIX

#S3

LS,RS

#S7

NOSUB

ANA

#S1

REC OUT BUF.

IC107

ANALOG REC

DIGITAL REC

D102

A.V.R

for

DIR etc.

A.V.R

3.3V

IC46

MUTE

J75

DSP

Lch

Rch

Cch

LSch

RSch

SWch

IC45

for DSP

A.V.R

PRE OUT

(L,R,C,LS,RS,1SW)

LSch

RSch

IC101 or

IC102 or

10,15,16

Q3,4,9

CODEC

(ADC&DAC)

AK4110

IC5

OPTICAL

CD/DVD

MONI.

OPTICAL

COXIAL

OUT

DIGITAL

AUDIO

DIGITAL

RECEIVER

6ch INPUT

DVD

AUDIO IN/OUT

20dB AMP

IC105

(VIDEO2/

MONI.)

VIDEO1

/MD

TAPE

(VIDEO2

/MONI.)

MONI.

FRONT AUX

/12dB ATT

6dB/9dB

IC14

(NOT for K,P TYPE)

VIDEO1

VIDEO2

VIDEO3

6ch INPUT

VIDEO1

MONITOR

DVD

INPUT

FRONT

J66

J65

REC OUT

J71

TACT KEY

MAIN

u-COM

IC1

RDS

IC4

LED

ENCODER

BU1923F

11-MT-120GK

ED1

IR REPEATER

SYNC

RF REMOCON

RECEIVER UNIT

DIR

for DSP. AD/DA.

ANALOG 6ch

INPUT SELECTOR

VISUAL IN/OUT

LFE

BYPASS

LS,RS

L, R

LS/RS

L/R

4700uF

3300uF

470uF

2200uF

3300uF

2200uF

IC2

(X07)

(X08)

VR-405/414/406/407/407-S/409

KRF-V3030D

EXCEPT for

USED

EXCEPT for

VR-405/406/414

KRF-V4530D/V5030D/V5030D-S/V5030DE

(X14)

USED VR-407/407-S/409/KRF-V7030D/V7030D-S/V8030D/V8030D-S/V3030D

(X14)

KRF-V6030D/V6030D-S/V6030DE

KRF-V3030D/V4530D/V5030D/V5030D-S/V5030DE

KRF-V6030D/V6030D-S/V6030DE

KRF-V7030D/V7030D-S/V8030D/V8030D-S

KRF-V8030D

KRF-V8030D-S

KRF-V8030D

KRF-V3030D

(X08)

KRF-V7030D/V8030D/VR-407/409

BLOCK

DIAGRAM

KRF-V7030D/V8030D/VR-407/409

CIRCUIT DESCRIPTION

(0 : Pull down, 1 : Pull up)

TYPE

BAND

Reception

frequency

Channel

PLL standard

Diode

space

frequency

DSW3

DSW2

DSW1

DSW0

87.5MHz~108.0MHz

100kHz

+10.7MHz

25kHz

0000

1700

530kHz~1700kHz

10kHz

+450kHz

10kHz

87.5MHz~108.0MHz

100kHz

+10.7MHz

25kHz

0001

1610

530kHz~1610kHz

10kHz

+450kHz

10kHz

87.5MHz~108.0MHz

50kHz

+10.7MHz

25kHz

0011

531kHz~1602kHz

9kHz

+450kHz

9kHz

87.5MHz~108.0MHz

50kHz

+10.7MHz

25kHz

RDS

531kHz~1602kHz

9kHz

+450kHz

9kHz

0101

K2/E1 is switched with only the setting of DSW1

00X

(DSW1 = 0 : K2 type, 1 : E1 type)

This unit works backup by microprocessor if power is off. The

microprocessor carries out the power-off-checking by 1ms. It

sets up the initialized data if the backup data is destroyed.

Also plug in and out the power cord from the outlet with

pressing the power switch for initialization.

1. Backuped Data

A) Amp

Power on/off

Selector

Device preset

Video output

Speaker A relay on/off

Speaker B relay on/off

Volume level

Bass, Treble level

Input level(every inputs)

Subwoofer yes/no

Dimmer level

Monitor no/off

MD/TAPE mode

Video2/Monitor mode

b)Surround function

Listen mode(input:analog/PCM only)

Speaker setup

Distance(how far)

Left, Right, Center level

Surround level

Subwoofer level

Input mode(CD,Video2/3)

Midnight on/off(CD,Video2,3)

C)Tuner

Band

Preset channels

Receiving frequency

Auto/manual

2. Condition by the destination or model

3. Main microprocessor: X14,IC1(MN101C35DRA)

3-1 Microprocessor periphery block diagram

/SD, /STEREO, CH. SPACE

S. LEVEL

TUNER

LC72131

PLL. DO, PLL. DT, PLL. CK,

PLL. CE

PROTECTION

THERMAL. SENS, PROTECTION1

PROTECTION2

A/D KEY

AD. KEY1, AD. KEY2

ENCODER

VOL. ENC. A, VOL. ENC. B,

SEL. ENC. A, SEL. ENC. B

MN101C35DRA

8MHz

OSC

POWER. RLY, SPA. RLY, SPB. RLY

CENTER. RLY, SURR. RLY,

LIMITER, PACK. CONT

RELAY

STANDBY. LED, DTS. LED,

DOL. DIG. LED, PROL. LED,

3STEREO. LED,

CS. LED(DOWNMIX. LED)

LED

11-MT-120GK

X14, ED1

REMOCON

X07, IC202

X07, IC201

X14, IC1

X07, IC106, 109/X08,IC12,14

SEL. DT, SEL. CLK, SEL. ST1,

SEL. ST2

NJU7313AM, NJU7311AM

X08, IC51

DSP. INTREQ, DSP. CDIN,

DSP. CDOUT, DSP. CCLK,

DSP. CS, DSP. PD

CS493263 or CS493253

X08, IC2

AK4527

CODEC. CDIN, CODEC. CDOUT,

CODEC. CCLK, CODEC. CS,

CODEC. PD, CODEC. DZF1

X08, IC5

DIR. CDIN, DIR. CDOUT, DIR.

CCLK, DIR. PD, DIR. ERR

AK4110

MUTE

/A. MUTE, /PRE. OUT. MUTE

/T. MUTE, /20dB. ATT

SERIAL

S. DATA, S. BUSY

X08, IC15

M62446FP

VOLDT, VOL. CLK, VOL. ST

X14, IC4

BU1923F

RDS. CLK, RDS. DATA

KRF-V7030D/V8030D/VR-407/409

CIRCUIT DESCRIPTION

Pin No.

Pin Name

I/O

Description

S. DATA

I/O

Serial data signal.

S.BUS

I/O

Serial busy signal.

SEL. ST1

Strobe output to input selector ( IC106).

SEL/VOL/PLL DT

Data output to selector,volume and PLL IC.

SEL/VOL/PLL CLK

Clock output to selector,volume and PLL IC.

SEL. ST2

Strobe 2 output to input selector ( IC109).

PLL. CE

PLL chip enable.

Vdd (+5v)

Power supply.

OSC OUT

8MHz clock output.

OSC IN

8MHz clock input.

Vss

Connected to ground.

X IN

Connected to ground.

X OUT

No used.

MMCD

Connected to ground.

Vref-

Connected to ground.

16,17

KEY2,KEY1

Input terminal of key1 and key2.

MODEL TYPE

Discrimination port of models.

TH. SENS

No used.

PROTECT

Detection port of protection signal 1.

PROTECT2

Detection port of protection signal 2.

S.LEVEL/CH SPACE

RDS S level and channel space changeover.

PLL DO

RDS PLL data signal input.

Vref+

Reference voltage of AD converter..

Chip enable.

RESET

Reset signal input.

T. MUTE

Muting signal output to tuner.

RF ST

CE signal output of RF receiver IC.

RF DT

Data signal output of RF receiver IC.

RF CLK

Clock signal output of RF receiver IC.

VOL.ST

Latch output of electric volume.

DSP INTREQ

I/O

Detection port of DSP INTREQ.

DTS DET

Detection port of DTS data.

REMOCON

Remote control signal input.

DIR ERR

Detection port of DIR error signal.

DZF

Detection port of CODEC zero input.

RDS.CLK

RDS clock input.

RDS.DAT/CE2

RDS data input./u-COM chip enable 2.

DSP/DIR/CORDEC CDIN

Serial data output.

DSP/DIR/CDOUT

Serial data input.

DSP/DIR/CORDEC CCLK

Clock output to IC2, IC5 and IC51on X08.

DSP CS

DSP chip select.

DSP PD

DSP power down.

DIR CODEC CS

CODEC chip select.

DIR CODEC PD

DIR CODEC power down.

NO USE

No used.

47-57

1G-11G

FL grid control(1G-11G).

58-74

P1-P17

FL segment control(P1-P17).

PACK CONT.

Power pack control.

LIMMITER

Control port of A class power supply.

REAR RE

Relay control terminal of surround speaker.

CENTER RE

Relay control terminal of center speaker.

FB RE

Relay control terminal of front B speaker.

FA RE

Relay control terminal of front A speaker.

3-2 Pin description

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KENWOOD HTB-203 Owner's Manual

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