JVC RX-6030-VBK Service manual

22026200302

RX-6030VBK

SERVICE MANUAL

AUDIO/VIDEO CONTROL RECEIVER

RX-6030VBK

Area suffix

J ----------------- U.S.A.
C ----------------- Canada

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FM/AM TUNING

IO/VIDEO CONTROL RECEIVE

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Y/O

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PRO LOGIC

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DVD

MULTI

DVDVCR CD

SPE

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TABLE OF CONTENTS

1 Important Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

2 Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

3 Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

4 Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LTD.

No.22026

2003/03

RX-6030VBK

Important Safety Precautions

1.1 Safety Precaution s

(1) This d esign of this product co ntains 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) Alteratio ns of the design or circuitry of the p roduct should

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

(3) Many electrical and mechanical parts 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, watt ­age, etc. Replacement parts which have these special safety
characteristics are identified in the Parts List of Service Manu­al. Electrical components having such feat ures are iden ­tified 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.

(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 origin al lead routing
and dress should be observed, and it should be confirmed
that they have been returned to normal, after reassembling.

(5) Leakage shock hazard testing)

After reassembling 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 ohm 10W resistor
paralleled by a 0.15 µF AC-type capacitor between an

SECTION 1

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 each exposed metal part,
particularly any exposed metal part having a return path to
the chassis, and measure 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.).

1.2 Warning

(1) This equipment has been designed and manufactured to

meet international safety standards.

(2) It is the leg al 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 a re replaced

by approved parts.

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

voltage.

1.3 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.

1.4 Critical parts for safety

In regard with component parts appearing on the silk-screen
printed side (parts side) of the PWB diagrams, the parts that are
printed over with black such as the resistor ( ), diode ( )
and ICP ( ) or identified by the " " mark nearby are critical
for safety.
When replacing them, be sure to use the parts o f the same type
and rating as specified by the manufacturer. (Except the JC version)

1-2 (No.22026)

1.5 Importance administer ing point on the safety

B110

PW104

B109

B108

B106

Primary part

PW105

B105

PW102

B107

RX-6030VBK

TA201

TA202

Secondary parts

PW103

PW101

R201

B104

B103

B102

B101

FC232

F 203

FC231

FC211

6.3A-125V

FC212

122

FC222

F 202

2A-125V

FC221

R1

121

2A-125V

CN251

EP1

110

111 112113

B191

B159

RY201

D205

114120

130131

B192

B160

Caution: For continued protection against risk of
fire, replace only with same type 6.3A/125V for
F201, 2A/125V for F202 and F203.
This symbol specifies type of fast operating fuse.

Precaution: Pour eviter risques de feux, remplacez
le fusible de surete de F201 comme le meme type
que 6.3A/125V, et 2A/125V pour F202 et F203.
Ce sont des fusibles suretes qui functionnes rapide.

^

(No.22026)1-3

RX-6030VBK

2.1 Removing the top cover
(See Fig.1)

(1) From the right and le ft sides of the main bo dy, remove the

four screws A attaching the top cover.

(2) From the back side of the main body, remove the three

screws B attaching the top cover.

(3) Re move the to p cover in the directi on of the arrow 2 while

extending the lower sections of the top cover in the direc­tion of the arrow 1.

SECTION 2

Disassembly method

Top cover

2

B

1

2.2 Removing the front panel assembly
(See Figs.2 and 3)

• Prior to performing the following procedure, remove the top

cover.
(1) Disconnect the card wire from the connector CN402 on the

audio board. (See Fig.2)

(2) Disconnect the card wire from the connector CN201 on the

power supply board. (See Fig.2)

(3) Re move the tie band and wire protecti on board fixing the

card wire. (See Fig.2)

(4) Remove the thre e screws C attaching the front panel as-

sembly. (See Fig.2)

(5) From th e bottom side of the main body, remove the four

screws D attaching the front panel assembly. (See Fig.3)

(6) Remove the front panel assembly in the direction of the ar-

row. (See Fig.3)

Tie band

Wire
protection
board

Card

wire

CN402

Audio
board

1

A

A

Fig.1

Front panel assembly

Card wire

CN201

C C C

Power
supply

board

1-4 (No.22026)

Fig.2

DD

Front panel assembly

Fig.3

2.3 Removing the rear panel
(See Fig.4)

• Prior to performing the following procedure, re move the top

cover.
(1) From the back side of the main body, remove the strain re-

lief from the rear panel in the direction of the arrow.

(2) Remove th e twenty-five screws E and four screws F at-

taching the rear panel.

E

E

E

RX-6030VBK

Strain relief

2.4 Rem oving the component board
(See Figs.5 and 6)

• Prior to performing the following procedure, re move the top

cover.
(1) From the top side of the main body, disconnect the parallel

wire from the connector CN511 on the S Video board. (See
Fig.5)

(2) From the back side of the main body, remove the four

screws G attaching the component board. (See Fig.6)

F

CN511

Rear panel

F

EFF

Fig.4

S Video board

Parallel wire

Component board

Fig.5

G

Fig.6

(No.22026)1-5

RX-6030VBK

A

A

2.5 Removing the DSP board, audio input board, DVD board and video board
(See Fig.7)

• Prior to performing the following procedure, remove the top

cover and rear panel.
(1) From the top side of the main body, disconnect the DSP

board from the connector CN481 on the audio board.

(2) Disconnect the audio input board from the connector

CN421 on the audio board.

(3) Di sconnect the DVD board from the connector CN431 on

the audio board.

(4) Di sconnect the video bo ard from the connector CN44 1 on

the audio board.

DSP board

DVD board

CN481

Video board

Audio board

2.6 Removing the S Video bo ard and tuner board
(See Fig.8)

• Prior to performing the following procedure, remove the top

cover and rear panel.
(1) From the top side of the main body, disconnect the parallel

wire from the connector CN511 on the S Video board.

(2) Di sconnect the S Video board from the connector CN461

on the audio board.

(3) Remov e the tie band fixing the parallel wires, disconnect

the tuner board from the connector CN411 on the audio
board.

udio input board

CN411

Tuner board

udio board

CN421

Tie band

CN441

CN431

Fig.7

Parallel wires

1-6 (No.22026)

CN461

S Video board

CN511

Fig.8

Parallel wire

2.7 Removing the audio board
(See Fig.9)

• Prior to performing the following procedure, re move the top

cover, rear panel, component video board, DSP board, audio
input board, DVD board, video board, S Video board and tuner
board.
(1) From the top side of the main body, disconnect the card

wire from the connector CN402 on the audio board.

(2) Disconn ect the relay board from the connectors (CN291,

CN491) on the power supply board and audio board.

(3) Disconnect the wires from the connectors CN471, CN472

and CN473 on the audio board.
(4) Remove the three screws H attaching the audio board.
(5) Loosen the screw J attaching the audio board.

CN471

CN473

Card

wire

H

CN472

Relay board

RX-6030VBK

Power supply board

CN291

J

2.8 Removin g the speaker terminal board
(See Fig.10)

• Prior to performing the following procedure, re move the top

cover and rear panel.
(1) From the top side of the main body, remove the solders

from the soldered sections a on the speaker terminal
board.

CN402

Audio board

Fig.9

Parallel wires

CN491

H

Soldered sections a

Fig.10

Speaker terminal board

(No.22026)1-7

RX-6030VBK

r

2.9 Removing the main boar d
(See Fig.11)

• Prior to performing the following procedure, remove the top

cover.
(1) From the top side of the main b ody, remove the tie bands

fixing the wires.

(2) Re move the tie band and wire protecti on board fixing the

card wire.

(3) Remove the solders from the soldered section b on the

speaker terminal board attaching the parallel wires.

(4) Di sconnect the relay board from the connectors (CN291,

CN491) on the power supply board and audio board.

(5) Di sconnect the paral lel wire from the connecto r CN24 1 on

the power supply board.

(6) Disconnect the wire from the connector CN251 on the pow-

er transformer board 1.

(7) Di sconnect the wires from the connectors CN471, CN472

and CN473 on the audio board.

(8) Remove the screw J, two screws K and four screws L at-

taching the main board.

(9) Take out the main board.

2.10 Removing the heat sink

(See Figs.12 and 13)

• Prior to performing the following procedure, remove the top

cover and main board.
(1) Remove the ten screws M attaching the heat sink. (See

Fig.12)

(2) From the reverse side of the main board , remove the two

screws N attaching the heat sink. (See Fig.13)

Tie band

Wire
protection
board

L

K

Card

wire

CN473

Audio board

Heat sink

L

Main board

CN472

CN471

Soldered section b

Relay board

Tie bands

CN491

L

CN241

Speaker terminal board

Fig.11

Power supply

board

Tie band

CN251

CN291

Power
transformer
board 1

Power
transforme

J

Parallel wires

M

1-8 (No.22026)

Main board

M

Fig.12

Heat sink

N

Main board

Fig.13

N

2.11 Removing the center amp. board, front amp. boards (L/R) and rear amp. boards (L/R)
(See Figs.12 and 14)

• Prior to performing the following procedure, re move the top

cover and main board.
(1) Remove the ten screws M attaching the heat sink. (See

Fig.12)

(2) Disconnect the center amp. board from the connector

CN321 on the main board. (See Fig.14)

(3) Disconnect the front amp. board (L) from the connector

CN311 on the main board. (See Fig.14)

(4) Disconn ect the front amp. board (R) from the connector

CN312 on the main board. (See Fig.14)

(5) Disconnect the rear amp. board (L) from the connector

CN331 on the main board. (See Fig.14)

(6) Disconnect the rear amp. board (R) from the connector

CN332 on the main board. (See Fig.14)

2.12 Removing the power transformer
(See Fig.15)

• Prior to performing the following procedure, re move the top

cover.
(1) From the top side of the main body, remove the tie bands

fixing the wires.

(2) Remove the solders from the soldered section c on the

power transformer board 1.

(3) Remove the so lders from the soldered sections d on the

power transformer board 2.

(4) Disconnect the wire from the connector CN251 on the pow-

er transformer board 1.

(5) Remove the four screws P attaching the power transformer.

2.13 Removing the power/fuse board
(See Fig.15)

• Prior to performing the following procedure, re move the top

cover.
(1) From the back and top sides of the main body, remove the

screw Q and screw R attaching the power/fuse board.

(2) Remove the solders from the soldered sections e attaching

the power cord.

(3) From the reverse side of the power/fuse board, remove the

solders from the soldered sections f attaching the wires.

Rear amp. board (L)

Rear amp.

board (R)

CN332

Power transformer

board 1

Front amp. board (R)

CN331 CN312 CN311

P

P

Soldered

sections d

Tie band

Front amp. board (L)

Center amp.

CN321

Fig.14

CN251

Soldered
section c

Tie band

P

Power

transformer

P

Power
transformer
board 2

R

RX-6030VBK

board

Main

board

Soldered

sections f

Power cord

Q

Fig.15

Soldered

sections e

Power/
Fuse board

(No.22026)1-9

RX-6030VBK

2.14 Removing the power supply board
(See Fig.16)

• Prior to performing the following procedure, remove the top

cover.
(1) From the top side of the main body, disconnect the parallel

wires from the connectors CN203 and CN241 on the power
supply board.

(2) Disconnect the card wire from the connector CN201 on the

power supply board.

(3) Di sconnect the relay board from the connector CN291 on

the power supply board.

(4) Di sconnect the paral lel wire from the connecto r CN10 1 on

the headphone jack board.

(5) Remove the solders from the soldered section c on the

power transformer board 1.

(6) Remove the three screws S attaching the power supply

board.

(7) Re move the power supply board from the hook g of the

chassis base bracket in the direction of the arrow, take out
the power supply board.

(8) Turn over the power supply board, remove the solders from

the soldered sections h attaching the wires.

Parallel

wires

CN203

CN291

Relay
board

CN241

Card wire

S

CN201

Power supply

board

Parallel wire

CN101

Headphone
jack
board

S

Soldered
section h

S

Soldered
section c

2.15 Removing the headphone jack board
(See Figs.16 and 17)

• Prior to performing the following procedure, remove the top

cover and front panel assembly.
(1) From the top side of the main body, disconnect the parallel

wire from the connector CN101 on the headphone jack
board. (See Fig.16)

(2) From th e front side of the main body, remove the nut and

screw T attaching the Bracket(phones) to the chassis base.
(See Fig.17)

Hook g of the
chassis base bracket

Nut

T

Power transformer

board 1

Fig.16

Headphone jack board

Bracket(phones)

Chassis base

Fig.17

1-10 (No.22026)

2.16 Removing the system control board and power switch board
(See Figs.18 and 19)

• Prior to performing the following procedure, re move the top

cover and front panel assembly.
(1) Pull out the volume and jog knobs from the front side of the

front panel assembly, remove the nut attaching the system
control board. (See Fig.18)

(2) From the back side of the front panel assembly, remove the

nine screws U attaching the system control board. (See
Fig.19)

(3) Remove the solders of the soldered section i on the system

control board and disconnect the parallel wire. (See Fig.19)

(4) Remove the two screws V attaching the power switch

board. (See Fig.19)

Front panel assembly

U

System control board

RX-6030VBK

Nut

Volume knob

Jog knob

Fig.18

Front panel assembly

Parallel wire

U

Soldered section i

Fig.19

V

U

Power switch board

(No.22026)1-11

RX-6030VBK

SECTION 3

Adjustment

3.1 Tuner section

3.1.1 Tuner range

FM: 87.5MHz~108.0MHz
AM (MW): 530kHz~1710kHZ

3.2 Power amplifier section

3.2.1 Adjustment of idling current

Measurement location: TP301 (Lch), TP302 (Rch)
Adjustment part: VR301 (Lch), VR302 (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.

3.2.2 Adjustment method

(1) Set th e volume control to minimum during this adjustment. (No signal & No load)
(2) Set the surround mode OFF.
(3) Tu rn VR 301 and VR302 fully counterclockwise to warm up before adjustment.

If the heat sink is already warm from previous use the correct adjustment can not be made.

(4) For L-ch, co nnect a DC voltmeter between TP301's B216 and B217 (Lch) and, connect it between TP302's B218 and B219

(Rch).

(5) Adjust the VR301 (Lch) and VR302 (Rch) so that the DC voltmeter indicates 2.0mV immediately after turning the power on.

* It is not abnormal though the idling current might not become 0mA ev en if it is finished to turn variable resistance (VR301, VR302)

in the direction of counterclockwise.

VR301 (Lch)

Front amp. board (L)

TP301

CN301

Front amp. board (R)

TP302

CN302

VR301

TP301 (Lch)

VR302 (Rch)

VR302

TP302 (Rch)

1-12 (No.22026)

4.1 TC9162AF- X (IC423): Analog switch

•Pin layout

RX-6030VBK

SECTION 4

Description of major ICs

28272625242322212019181716

123

• Block diagram

L-S1

L-S2

L-COM1

L-S3

L-S4

15

4

5

6

789

2

3

4

5

6

1011121314

VSS

1

GND VDD

14

28

27

26

25

24

23

R-S1

R-S2

R-COM1

R-S3

R-S4

L-COM2

L-S5

L-S6

L-COM3

L-S7

L-COM4

ST

7

8

9

10

11

12

13

LEVEL SHIFTER

LATCH CIRCUIT

SHIFT REGISTER

LATCH CIRCUIT

LEVEL SHIFTER

22

21

20

19

18

17

16

15

R-COM2

R-S5

R-S6

R-COM3

R-S7

R-COM4

DATA

CK

(No.22026)1-13

RX-6030VBK

4.2 AK4527BVQP (IC601): A/D, D/A converter

• Pin layout

4443424140393837363534

1
2
3
4
5
6
7
8
9
10
11

1213141516171819202122

Top View

• Pin function
No. Symbol I/O Function

1 SDOS I SDTO Source Select Pin (Note 1)

"L" : Internal ADC output, "H" : DAUX input

2 OSKS I Control Mode Select Pin

"L" : 3-wire Serial, "H" : I2C Bus

3 MIS - Soft Mute Pin (Note 1) Connect to GND

When this pin goes to "H" soft mute cycle is initialized.

When returning to "L", the output mute releases.
4 BICK I Audio Serial Data Clock Pin
5 LRCK I/O Input Channel Clock Pin
6 SDTI1 I DAC1 Audio Serial Data Input Pin
7 SDTI2 I DAC2 Audio Serial Data Input Pin
8 SDTI3 I DAC3 Audio Serial Data Input Pin
9 SDTO O Audio Serial Data Output Pin

10 D,AUX - Sub Audio Serial Data Input Pin, Connect to GND
11 DFS - Double Speed Sampling Mode Pin (Note 1)

"L" : Normal Speed, "H" : Double Speed

12 DEMI - Connect to GND

No internal bonding.

13 DEMO - Zero Input Detect Enable Pin, Connect to GND

"L" : mode 7 (disable) at parallel mode,

- zero detect mode is selectable by DZFM2-0 bits at serial mode.

- H : mode 0 (DZF is AND of all six channels)
14 MCKO - Output Buffer Power supply Pin, 2.7V~5.5V
15 DVDD I Digital Power Supply Pin, 4.5V~5.5V
16 DVSS - De-emphasis Pin, 0V
17 PD

I Power-Down & Reset Pin

When "L", the AK4527B is powered-down and the control registers are reset to default state.
If the state of P/S or CAD0-1 changes, then the AK4527B must be reset by PDN.

18 XTS - Test Pin, Connect to GND

This pin should be connected to DVSS.
19 ICKS - Connect to GND No internal bonding.
20 ADIF - Analog Input Format Select Pin, Digital Power Supply

H : Full-differential input "L" : Single-ended input

33
32
31
30
29
28
27
26
25
24
23

1-14 (No.22026)

No. Symbol I/O Function

21 CAD1 - Chip Address 1 Pin, Connect to GND
22 CAD0 O Chip Address 0 Pin, Connect to GND
23 LOUT3 O DAC3 Lch Analog Output Pin
24 ROUT3 O DAC3 Rch Analog Output Pin
25 LOUT2 O DAC2 Lch Analog Output Pin
26 ROUT2 O DAC2 Rch Analog Output Pin
27 LOUT1 O DAC1 Lch Analog Output Pin
28 ROUT1 O DAC1 Rch Analog Output Pin
29 LIN- I Lch Analog Negative Input Pin
30 LIN+ I Lch Analog Positive Input Pin
31 RIN- I Rch Analog Negative Input Pin
32 RIN+ I Rch Analog Positive Input Pin
33 VREFL - Zero Input Detect 2 Pin (Note 2), Non Connect

When the input data of the group 1 follow total 8192LRCK cycles with "0" input data,
this pin goes to "H".

OVF O Analog Input Overflow Detect Pin (Note 3)

This pin goes to "H" if the analog input of Lch or Rch is overflows.

34 VCOM O Common Voltage Output Pin, AVDD/2

Large external capacitor around 2.2uF is used to reduce power-supply noise.
35 VREFH - Positive Voltage Reference Input Pin, AVDD
36 AVDD - Analog Power Supply Pin, 4.5V~5.5V
37 AVSS - Analog Ground Pin, 0V
38 XTI - Zero Input Detect 1 Pin (Note 2) Non connect

When the input data of the group 1 follow total 8192 LRCK cycles with "0" input data,

this pin goes to "H".
39 XTO I Master Clock Input Pin
40 P1S - Parallel / Serial Select Pin

"L" : Serial control mode, "H" : Parallel control mode
41 CS

CSN I Chip select pin in 3-wire serial control mode

42 DIF1 I Audio Data Interface Format 1 Pin in parallel mode

SCL/CCLK I Control Data Clock Pin in serial control mode

43 LOOP0 I Loopback Mode 0 Pin in parallel control mode

SAD/CDTI I/O Control Data Input Pin in serial control mode

44 CDTD I Loopback Mode 1 Pin (Note 1)

Note:

(1) S DOS, SMUTE, DFS, and LOOP1 pins are ORed with register data if P/S = "L".
(2) The group 1 and 2 can be selected by DZFM2-0 bit if P/S = "L" and DZFME = "L".
(3) Thi s pin become s OVF pin if OVFE bit is set to "1" at serial control mode.
(4) A ll input pins should not be left floating.

I Audio Data Interface Format 0 Pin in parallel mode

This pin should be connected to DVDD at I2C bus control mode

I2C = "L" : CCLK(3-wire Serial), I2C = "H" : SCL(I2CBus)

Enables digital loop-back from ADC to 3 DACs.

I2C = "L" : CDTI(3-wire Serial), I2C = "H" : SDA(I2CBus)

Enable all 3 DAC channels to be input from SDTII.

RX-6030VBK

(No.22026)1-15

RX-6030VBK

4.3 BA033FP-X (IC681) : Regilator

• Pin layput • Block Diagram

1 2 3

1pin Vcc
2pin (FIN) GND
3pin OUT

4.4 BA033LBSG-W (IC683): Regulator

• Block diagram

Vcc 1

CTL 3

Reference

voltage

Vcc 1pin

GND 2pin

-

+

Vcc

REFERENCE
VOLTAGE

OUT

3pin

5 OUT

GND 2

4.5 BA15218 (IC451 ) : Ope. Amp.

• Pin layout / Block diagram

Current limit circuit

&

Temperature protect circuit

1OUT1

2-IN1

­1

3+IN1

+

EE

4

4 C

VCC

8

OUT2

7

-IN2

6

-

2

+IN2

5V

+

1-16 (No.22026)

4.6 BA15218F-XE (IC412, IC422, IC427, IC609, IC610, IC650, IC651, IC661, IC690, IC691) : Dual operational amplifier

•Pin layout

RX-6030VBK

• Block diagram

Vcc

-IN

+IN

OUT1 1

+IN1 3

VEE 4

R1

Q5

Q1

Q2

D1

Q3 Q4

-IN1 2

C2

R5

Q6

1

Q9

Q8

Q10

Q7

R7

8 Vcc

7 OUT2

6 -IN2

2

5 +IN2

Q18Q13

Q19

Q11

R6

OTHER

CH

Q17Q16

R8

Q12

C1

VEE

4.7 BA15218N (IC403) : Dual Ope. Amp.

• Pin layout & Block diaglam

+

1

-

1 2 3 4 5 6 7 8

OUT1 +IN1 +IN1

GND

+

-

+IN2 -IN2 OUT2

R3R2

R4

Q14 Q15Q114

R9

OUTPUT

4.8 IMX9-W (IC652, IC662, IC682): Driver

• Pin layout & Block diagram

C

2

Vcc

1

B

2

E

3

6

5

4

E

B

C

(No.22026)1-17

RX-6030VBK

4.9 GP1UM281X (IC703) : Dual operation amp lifier

• Block diagram

R

L

Amp

4.10 IC-PST9139-T(IC702) : System reset

• Terminal layout

B.P.FLimiter

Demodu­lator

Integra­tor

Com­para­tor

GND Vcc Vout

• Block diagram

123

CO1

VCC

2

OUT

1

OP1

GND

3

1-18 (No.22026)

4.11 LA1838 (IC102): FM AM IF Amp. & Detector, FM MPX decoder

• Block Diagram

RX-6030VBK

30

ALC

BUFF

FM
S-METER

FM IF

1

29

AM

OSC

S-CLRVE

PM
DET

2

28

REG

AM

MIX

SD
COMP

3

AM/FM
IF-BUFF

27

FM

RF.AMP

AM IF

4

26

AGC

AM
S-METER

GND

5

DET

25

TUNING
DRIVE

6

24

STEREO
DRIVE

7

22

23

P-DET

VCC

89

21

DECODER
ANIT-BIRDIE

VCO
384KHz

10

20

STEREO
5N
SW

FF
38k

11

18

19

MUTE

FF

/

19k

2

12 13

FF
19k

17 16

/LS

14

PILOT
DET

15

• Pin Function
Pin No. Symbol I/O Function

1 FM IN I This is an input terminal of FM IF signal.
2 AM MIX O This is an out put terminal for AM mixer.
3 FM IF I Bypass of FM IF
4 AM IF I Input of AM IF Signal.
5 GND - This is the device gro und terminal.
6
7

TUNED

STEREO

O When the set is tunning, this terminal becomes "L".

O Stereo indicator output. Stereo "L", Mono: "H"
8 VCC - This is the powe r sup ply terminal.
9 FM DET - FM detect transformer.

10 AM SD - This is a terminal of AM ceramic filter.
11 FM VSM O Adjust FM SD sensitivity.
12 AM VSM O Adjust AM SD sensitivity.
13 MUTE I/O When the signal of IF REQ of IC121(LC72131) appear, the signal of FM/AM IF output.

//Muting control input.
14
15

FM/AM

MONO

/ST

I Change over the FM/AM input. "H" :FM, "L" : AM

O Stereo : "H", Mono: "L"
16 L OUT O Left channel signal output.
17 R OUT O Right channel signal output.
18 L IN I Input terminal of the Left channel post AMP.
19 R IN I Input terminal of the Right channel post AMP.
20 RO O Mpx Right channel signal output.
21 LO O Mpx Left channel signal output.
22 MPX IN I Mpx input terminal
23 FM OUT O FM detection output.
24 AM DET O AM detection output.
25 AM AGC I This is an AGC voltage input terminal for AM
26 AFC - This is an output terminal of voltage for FM-AFC.
27 AM RF I AM RF signal input.
28 REG O Register value between pin 26 and pin28 besides the frequency width of the input signal.
29 AM OSC - This is a terminal of AM Local oscillation circuit.
30 OSC BUFFER O AM Local oscillation Signal output.

(No.22026)1-19

RX-6030VBK

4.12 LC72136N (IC121) : PLL frequency synthesizer

• Pin layout

1

XT

FM/AM

CE

DI

CLOCK

DO

FM/ST/VCO

AM/FM

SDIN

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

• Block diagram

1

22

16

15

3

4
5

6

17

21

C

I/F

2B

Power

on

Reset

1/2

Reference

Swallow Counter

Swallow Counter

Programmable

Data Shift Register & Latch

782

• Pin function
Pin

Symbol I/O Function

No.

1 XT I X'tal oscillator connect (75kHz)
2FM

/AM O LOW:FM mode

3 CE I When data output/input for 4pin(input)

and 6pin(output): H

4 DI I Input for receive the serial data from

controller
5 CLOCK I Sync signal input use
6 DO O Data output for Controller Output port
7 FM/ST/VCO O Low: MW mode
8AM

/FM O Open state after the power on reset

9 LW I/O Input/output port

10 MW I/O Input/output port
11 SDIN I/O Data input/output
12 IFIN I IF counter signal input

Driver

1/16,1/17 4bit

1/16,1/17 4bit

12bit

DriverS

Phase

Detector

Charge Pump

Unlock

Detector

Universal

Counter

11

13

Pin

Symbol I/O Function

No.

18
19

20

12

13 IFCONT O IF signal output
14 - Not use
15 AMIN I AM Local OSC signal output
16 FMIN I FM Local OSC signal input
17 VCC - Power suplly(VDD=4.5-5.5V)

When power ON:Reset circuit move

18 PD O PLL charge pump output

(H: Local OSC frequency Height than
Reference frequency.

L: Low Agreement: Height impedance)
19 LPFIN I Input for active lowpassfilter of PLL
20 LPFOUT O Output for active lowpassfilter of PLL
21 GND - Connected to GND
22 XT

I X'tal oscillator(75KHz)

1-20 (No.22026)

4.13 LP61L1024S-12-X (IC641) : SRAM

8

• Pin layout • Block diagram

DD

NC
A16
A14
A12

I/O1
I/O2
I/O3

Vss

1
2
3
4
5

A7

6

A6

7

A5

8

A4

9

A3

10

A2

11

A1

12

A0

13
14
15
16

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

V

DD

A15
CS2
WE
A13
A8
A9
A11
OE
A10
CS1
I/O8
I/O7
I/O6
I/O5
I/O4

• Pin function

V
Vss

A0

A16

CS2
CS1

OE

WE

SYMBOL DESCRIPTION

A0 - A16 Address Input

I/O1 - I/O8 Data Input/Output

, CS2 Chip Select Inputs

CS1

WE
OE

VDD Power Supply

Vss Ground
NC No Connection

DECODER

CONTROL

Write Enable Input
Output Enable Input

CORE

ARRAY

DATA I/O

RX-6030VBK

I/O1

I/O

(No.22026)1-21