Panasonic RM-1100 User Manual

FM-AM-FM STEREO CASSETTE DECK TUNER AMPLIFIER

CUSTOM-MA

~

.•.

.--

ORDER NO. RD83072080Cl

ual

Car Audio

M-1100

-'.::<,

A WARNING

This service literatureisdesigned for

only

.andisnot contain potential by

electricity professional or

products

resultinserious

designed

warningsorcautionstoadvise

dangersinattemptingtoserviceaproduct.

shouldbeservicedorrepaired

technicians.

dealt

injuryordeath

for

Any

withinthis

attempttoserviceorrepair service

• SPECIFICTIONS

General Power Source: Test Voltage: Power Consumption:

Dimensions:

)

Weight:

FM

Tuner Section Frequency Range: Usable Sensitivity:

to

Signal Stereo Separation: THD:

IF

Noise Ratio:

Frequency:

DC

12 V (Negative ground only)

DC

14 V

0.8A at maximum power output (Memory backup 1 mAl

mm(W)x64

208

(83/'6X29/'6X5"/'6) without bracket

(3

1.7 kg

87.5-108

(SIN 30 dB)

8 dB 55 dB 35 dB at 1 kHz

0.5%

10.7 MHz

mm(H)x144 mm(D)

Ib

3J4

oz) without bracket

MHz

Specifications are subjecttochange without notice.

e~perienced

usebythe

.

general

non-technical

literaturebyanyone

repair technicians

public.Itdoes

individuals

Products

onlybyexperienced

Tuner

AM Frequency Range: Usable Sensitivity: Selectivity: IF Frequency:

Cassette Tape System: Wow Stereo Separation:

Intercom Mike Input Impedance: Headphone Output:

Section·

Deck

& Flutter:

Section

the

else

not

powered

product

could

Section

-~

of

520-1610 34 dB 50 dB 450 kHz

Auto-reverse

0.15% (WRMS) 35 dB at 1 kHz

6000

0.5 W

kHz

(SIN 20 dB)

(±10

kHz)

(16oiCl-lf:~.

Pa

nason

ic®

@Matsushita

All

rights

copying

Matsushita Englnaaring and Service Compeny

50 Meadowland Parkway,

Secaucus. New Jersey 07094

Electric

reserved.

and

distributionisa

Industrial

Unauthorized

violation

Panasonlc HawaII Inc. 91-238 P.O. Box Honolulu, Hawaii 96808·0774

Matsushita Electric of

Canada Limited

5770 Ambler Drive, Mlssissauga,

Ontario, L4W 2T3

Co.

ltd

of

Kauhi

774

..

law

51.

Ewa Beach

PanBSonlc Sales Company,

of

Division of Ave, 65 De Infanteria,KM9.7 Victoria Industrial Park Carolina, Puerto Rico 00630

Matsushita Electric

Puarto Rico, Inc. .

I

4

......

/

·-:-

LOCATION OF CONTROLS AND COMPONENTS

.

-:-..=:=..

@

ST. LO.

Ie

=11-'

H.S

ME

@

.....-

®

@)

I..J.JU

~

._,

.~

@

<D

FM

Stereo Indicator

@ Local Indicator

® Headset Indicator

@ Memory/Metal Indicator @ Direction Indicators @ LCD Display

(1)

Eject Button

@ Tape Slot

® Rewind Button (REW)

@)

Fast Forward Button (FF)

Fig.

1

@ RadiolTape Switch, Power Switch, Volume Control

(PUSH RADIOITAPE, POWER OFF)

@ Mute Level Control (MUTE LEVEL) @ Speaker/Headset Switch Intercom Control (PUSH SP/HS) @ Band Switch (AM, FM)

@>

Sensitivity Switch (OX, LOCAL)

@ Program/Preset Switch (PRO/1)

@ Preset Switches (2, 3, 4)

@>

Metal/Memory Switch (ME)

@J

Ambience Switch (ON, OFF)

DISASSEMBLV INSTRUCTIONS

Fig.

2

Fig.

Fig. 4

(C)

Fig.

3

5

.-:

..

'

------_._~------~

....

_-,,--_._.-~--'-'-,._.'---"

(H)

(D)

-

Fig.

(F)

(E)

(K)

(L)

---,~-.,-

~

__

.

._._

...

' 0

.J.

~)

. - - -- - - - -

'.

_.

-

I

:Jt

Fig. 9

®-€

(M)

Lever

•

Fig.

13

•••

' •

3,4

.1

Front Panel

To

remove-.

Fig.

14

......................................

Knob Screw(3x6)

...........,..................

Remove-.

6

Fig.

10

(N)

Ref.

No. 1 2 2

Procedure ShowninFig.-.

1,

2

.,

(A)x3

(B)x12

~

!

7'.!

. r

18

~

:=t

(G)

Fig.

Screw

3 5

4

5 6 6

(I)

7

(0)

Fig.

11

7

8

9

10

11

12 13 14 15 16

1-5

1-6

1-9

1-10

1-5,

1,2,12,

1,2,

14-16

11

6

6 Cassette Case

7 7 7

8

9

13

10

11 11

11

Mechanism

*2

AM

Circuit Board

LCD

Circuit Board Screw

EO

Deck Circuit Board

Power Board

Main Circuit Board Nut

& Ambience

Sour.ce

Circuit

(2.6x5)

Screw

(2.6x5)

*1

Socket Loosen screw

*1

Socket

(3x6)

Screw

Twistthe chassis

(3x6)

Screw(3x6)

Screw

(3x4)

Screw

(3x4)

Screw

(3x6)

(70)

Socket*1..................................

..............................

..................................

(2x3)..........................

.......................

...............................

............................

................................

.............

....................................

,

..................

,

..........

(C)x2 (D)x3 (E)x2

(F)x1 (G)x2 (H)x2

(I)x1

(J)x3

(K)x2

(L)x2

(M)x2

(N)x4

(0)x3

(P)x7

~

•

WAVE

.AM

f

Fig

RF

(J)

Fig.

*1. Remove socketinthe direction of arrowasshowninfig. *2.Toreassemble, note the following.

(1)

Insert the lever

(2)

Insert the cassette caseasshowninfig.

8

Fig. 12

@]

and

springinmechanism,asshowninfig.

14.

12.

13.

t

iii

To

Headset

Power

Antenna

HARNESS CONNECTION

Source

.

-:-.~-,-

RM-1100

i

, - . ]

I~

I •

••

1

I~

~

Lever

Fig. 13

Ref. No. Procedure ShowninFig.-.

1

1,

2

3

4

5 6 6

7

8

9 7 Twistthe chassis

10

11

12

13

14

2 Front Panel

1-5

1-6

1-9

1-10

1-5,

11

1,2,12,

13

2

3,4

5 6

6

7

8

9

9 10

11

To

remove-.

Knob

Screw(3x6)

Screw

Mechanism Screw

Socket

Cassette Case

AM Circuit Board

LCD Circuit Board

Deck EO Circuit Board

Sour.ce

Power Board

*2

& Ambience

Circuit

Loosenscrew(2x3)

Socket

Screw

~

Fig.

......................................

(2.6x5)

*1

..................................

*1

..................................

(3x6)

(3x4)

(3x6)

Lever

14

Remove-.

..............................

..........................

...............................

............................

................................

(A)x3

(B)x12

(C)x2

(D)x3

(E)x2

(F)x1

(G)X2

(H)x2

(I)x 1

(J)x3

(K)x2

(L)x2

(M)x2

(N)x4

15

7

To Auto Volume

19'

'.-

To

Remoto

b

111-------

18

:m:

To

Power

::a

7

ToCS

r1I

-------J

l

~

• WAVE FORM

Fig. 16

• AM RF DUMMY ANTENNA

8

Switch

Amp

Fig. 17

Fig. 15

"1

I

•

----

eI

(socket)

CD

Microphone

@ Earth @

Rch

@ Earth

®

Lch

® Acc

(j)

CB

@ Earth

® Earth

@ Earth @ Antenna

@ Earth

FM

RF DUMMY ANTENNA

@

Rch

® Lch

@ Earth @

+B

@ Mute @ Up @ Down @ Earth

® Earth

@ Earth @ Earth @ Earth

(plug)

Out

-

___._...c..'-'----

r3l

15

16

*1. Remove socket in the direction of arrowasshown in fig. *2.Toreassemble, note the following.

(1)

Insert the lever and spring in mechanism,asshowninfig.

(2)

Insert the cassette caseasshowninfig.

f4l

1,2,

14-16

11

Main Circuit Board Nut

14.

12.

13.

(70)

Socket

....................................

..................................

*1

(O)x3

(P)x7

r-----------

:.

SG

(SG

imp.

~'±r=====1=

~~F

Fig. 18

Antenna Cord

500)

01

1-

,AAI'

•

Fig. 19

-----,

lOA

10E

.J

Reciever

[5l

iU'IIiiiI.I·.l·~l'l'

MEASUREMENTS

1. Set power switch to ON.

2.

Mute

3. Intcom switch

switchtoOFF.

AM IF ALIGNMENT

BAND

AM

RF

BAND DISPLAY

AM

to

HS.

SIGNAL

SWEEP

CONNCTIONS

V..·....

Earth

.....

(+)

(-)

ALIGNMENT

AM

SIGNAL

CONNECTIONS

Disconnect

GENERATOR

I

FREQUENCY

450kHz 30% at

400

GENERATOR

FREQUENCY

No

signal

applied

No

signal

applied

or

Mod.

Hz

FREQUENCY

DISPLAY SETTING

AM~IF

Pointofnoninterference. about 600 kHz)

FREQUENCY

SETTING

520 kHz

1610kHz

AND

ADJUSTMENTS

4. Set volume controltomaximum. Set

band switchtoAM, FM.

5.

6.

Set

SENS

switchtoDX.

INDICATOR

(ELECTRONICS

VOLTMETER

or

SCOPE)

ALIGNMENT

(onl

V···(+)

V..(-)

DC

VOLTMETER

V·

..

(+)

V·,·(-)

V

..

·(+)

V···(-)

ADJUSTMENT

T302(AM T303(AM

(AM

1st

2nd

ADJUSTMENT

L303 Adjust for

(AMOSCCoil)

CT302

OSC

Tr.immer)

REMARKS

1FT)

Adjust for

1FT)

output.

readig onDCvoltmeter

Adjust for

reading on

maximum

REMARKS

1.2±0.05

7.8±0.1 DC

voltmeter

• FM RF ALIGNMENT

FM

BAND

(1

)

(2)

FM Disconnect

(3)

BAND

(4)

(5)

(6)

FM

'-'

---'-,-------

V

CONNECTIONS

Repeatsteps(1)

CONNECTIONS

Antennasocket (FMRFDummy Fig. 19)

Repeatsteps4 and 5.

SIGNAL

Disconnect

SIGNAL

FM

"

GENERATOR

FREQUENCY

No

signal

applied

No

signal

applied

and (2).

GENERATOR

FREQUENCY

89

MHz

(400Hz30%)

107

MHz

Hz

(400

30%)

FREQUENCY

DISPLAY

SETTING

87.5 MHz

108

MHz

FREQUENCY

DISPLAY

SETTING

89 MHz

107MHz

'f

.•••

~

-

DC

VOLTMETER

V

..

(+)

V..(-)

V

..

(+)

V..·(-)

AC

VOLTMETER

'V

..

(+)

V..(-)

V

..

(+)

V..(-)

ADJUSTMENT

L5

(FM

OSC

CT3

(FM

OSC

Trimmer) readingonDC

ADJUSTMENT

L1 (FM

ANT

L4

(FM

ANT

cn

(FMANT Trimmer) CT2

(FM Timmer)

ANT

REMARKS

Adjust

for

1.2±0.05

Coil) readig onDCvoltmeter.

Adjust for

Coil) Adjustfor Coil) reading onACvoltmeter

8±0.1

REMARKS

maximum

V

voltmeter.

"

eI

.-

'-

• ALIGNMENT POINT

~.

,-

• DCBALANCE NB ALIGNMENT

Repeatsteps (1) and (2).

BAND

AM

SIGNAL

CONNECTIONS

Connect socket through RF dummy antenna. (Refer

to

Fig. 18)

antenna

AM

GENERATOR

"

Repeatsteps (4) and (5).

FREQUENCY

550 kHz

1500kHz

FREQUENCY

DISPLAY

SETTING

550kHz

1500kHz

AM NB ALIGNMENT

AM

BAND DISPLAY

CONNECTIONS

Connect socket through

AM

RF (Refer

SIGNAL

to

dummyantenna.

to

Fig. 18)

antenna

AM

GENERATOR

FREQUENCY

550 kHz (400 Hz,

0%

Mod.74dB)

FREQUENCY

SETTING

550kHz

FM ALIGNMENT

SIGNAL

BAND

CONNCTIONS FREQUENCY

SWEEP

GENERATOR

GENERATOR DISPLAY

or

FREQUENCY

SETTING

FM-IF ALIGNMENT

AC

VOLTMETER

'V

..

(+)

v..(-)

; ..

(+)

...

(-)

OSCILLO

SCOPE

W

.....

(+)

V·..·(-)

INDICATOR

(ELECTRONICS

VOLTMETER

or

SCOPE)

ADJUSTMENT

L301 (AM L304 (AM

CT301 (AM

CT303

ANT ANT

Trimmer)

(AM

Trimmer)

ADJUSTMENT

T301 (AM NB)

ADJUSTMENT

Coil)

Adjust for maximum

Coil) reading on

AC

ANT

REMARKS

voltmeter

"

REMARKS

Adjustfor wave oscilloscope.

maximum

from on

FM

BAND

CONNECTIONS

Antenna scoket 89

FM

SIGNAL

• FM STEREO ALIGNMENT

Notes: 1. Stereo modulator

2. FM signal generator

CIRCUIT

PILOT

SEPARATION

................

SIGNAL

GENRATOR

89

(0%

Mod, 80 dB)

89 MHz

(400 Hz,

80

• AZIMUTH ALIGNMENT

TAPE

GENERATOR

FREQUENCY

MHz

(400 Hz,

Mod,60dB)

............

MHz

30%

Mod,

dB)

VOL

TMETERG)

FREQUENCY

DISPLAY

SETTING (center

30%

eConnect ePilot signal modulation eFrequency approximately 100 MHz/Output levelto"60-70

eModulation mode

FREQUENCY AC

COUNTER

High side thru, 100kOto pointV

sidetoV

AC

89 MHz

stereo modulatoroutput to

to

"10%".

to

"FM".

VOLTMETER

test

Negative

VOLTMETER@

AC

i

--

LCh

..

...Rch

...

(-)

DC

VOLTMETER

"0")

V

....

(+)

V··..(-)

EXT

MOD

ADJUSTMENT

(+)

(Separation) modulation.) R channel output

ADJUSTMENT

terminalofsignal generator.

VR2

(Pilot) frequency counter.

VR1

ADJUSTMENT

T3

(FM

1FT)

dB",

1-3

Adjust

for

Make

adjustment so

input

is sUbjectedtoL modulation (or R

channel output)

REMARKS

AdjustT3for -0.05.-,..0.05 V reading onDCvoltmeter.

mV.

REMARKS

76.00

kHz±50Hzreadign

that

when the

becomes

REMARKS

minimum.

(or

on

antenna

L

AM

ANT

1500kHz

----,

cnol

-~

......

FM

OSC

I08MHz

~

FM

OSC

87.5MHz

@]-

FM

lsI

IO.7MHz

~

Vi

:::..~

I

~

FM

High side thru.

0.0011JFtotest

~

point

side to test pointV.

Negative SWP.

"

10.7MHz

"

(onl

Connectvert. amp.

of

scope

testpointV

"

Point of noninterference.

about90 MHz) Negative side

"

to

T1

(FM 1st

(FM 2nd

1FT)

to

T3

Adjust for maximum amplitude. (RefertoFig. 16)

Adjust for maximum amplitude. (Refer to Fig. 17)

Playbackthe azimuth tape.

Across headset

[l]

V

v··(-)

..

Lch Rch

(+)

Adjustfor voltmeterG)

same

and

readingonAC

@.

[[]

iU'Hiill.llt.ll

itl'1l1:11I1ll.l1

~

laximum

II1ARKS

.2±0.05V

Cvoltmeter

.8±0.1

v

DC

voltmeter

• FM RF ALIGNMENT

FM SIGNAL GENERATOR FREQUENCY DC

BAND

..

(1)

(2)

(3)

(4)

(5)

(6)

L-_---L

FM

BAND

FM

_ CONNECTIONS

Disconnect No signal

Disconnect

Repeat steps(1) and (2).

FM SIGNALGENERATOR FREQUENCY AC

CONNECTIONS FREQUENCY SETTING

Antenna socket (FMRFDummy Fig. 19)

"

-

Repeat steps 4 and

FREQUENCY SETTING

applied

Nosignal applied

(400 Hz

5.

• DC BALANCE NB ALIGNMENT

89 MHz

107 MHz

_

30%)

DISPLAY VOLTMETER ADJUSTMENT REMARKS

87.5 MHz

108 MHz

DISPLAY

89 MHz

107 MHz

V·.·(+)

V··(-)

V ...

(+)

V···(-)

VOLTMETER

...

(+)

V..(-)

T ..

(+)

v··(-)

L5

(FMOSCCoil)

CT3 Adjust for

(FM OSC Trimmer)

ADJUSTMENT REMARKS

L1 (FM ANT Coil) Adjust for maximum L4 (FM ANT Coil) reading on AC voltmeter

CT1

(FMANT

Trimmer)

CT2 (FM ANT

Timmer)

Adjust for readig on DCvoltmeter.

reading on DC voltmeter.

1.2±0.05

8±0.1

"

• ALIGNMENT POINT ·Please refer to Circ·uit Board fortest points locaton.

AM ANT 550kHz

L304

V

o

Azimuth

Screw

eI

CJ

B;5

~

o

II1ARKS

laximum

~r

"

JlARKS

rmaximum mon ope.

BAND DISPLAY VOLTMETER ADJUSTMENT REMARKS

FM (400Hz,

FM SIGNAL GENERATOR

CONNECTIONS FREQUENCY SETTING (center

Antenna scoket 89 MHz

30%

Mod. 60 dB)

FREQUENCY

89 MHz

DC

V·

..

·(+)

V..··(-)

"0")

(FM

T3

1FT)

Adjust T3 for reading on DC voltmeter.

• FM STEREO ALIGNMENT

Notes:1.Stereo modulator

2. FM signal generator

CIRCUIT SIGNAL FREQUENCY

PILOT 89 MHz 100kO to test

SEPARATION

................

. . . . . . . . . . . .- Frequency approximately 100 MHz/Output level

GENRATOR

-Connect

-Pilot

-Modulation mode to

High side thru.

stereo modulator output to EXT MOD terminal of signal generator.

signal modulation to

"FM".

COUNTER VOLTMETER

"10%"

AC ADJUSTMENT REMARKS

--

(0% Mod. 80 dB)

89 MHz

(400 Hz. 30% Mod.

80 dB)

V Negative I (Pilot)

point

sidetoV

LCh

f

..

...Rch

...

(-)

.

(+)

to

"60~

70 dB", 1~3mY.

VR2

VR1

(Separation) modulation.) R channel output (or L

Adjustfor 76.00 frequency counter.

Make adjustment so that when the antenna input is sUbjected to L modUlation (or R

channel output) becomes minimum.

kHz±50

-0.05~0.05

.

Hz readign on

nl

V

----_

......

'-'-

Fig. 20

DC

BALANCE

FM

2nd

IO.7MHz

---.

T3

PILOT

76

VR2

kHz

laximum

'ig. 16)

laximum 'ig. 17)

• AZIMUTH ALIGNMENT

TAPE

Playbackthe azimuth tape.

r7l

AC

VOLTMETERG)

Across headset

AC

VOLTMETER@

Across headset

ADJUSTMENT

V··Lch

V ..

v··(-)

Rch

(+)

REMARKS

Adjust for same reading on AC voltmeterCD and @.

lID

Fig.

21

LIQUID CRYSTAL DISPLAY (LCD)

1)

The common and segment terminals of the the following way:

A

F

il-I::EI::EI~IOI~

8<n!L«<n-l-

LCD

are connected

in

RM-1100 RM-1100

3)

Explanation of each terminal

Pin No. ISymbol

1

2

Description

I UD I Output condition switching input terminal.

This terminal sets the display output mode (LED, FL, or LCD).

LED Make this terminal FL Make this terminal LCD Apply AC voltage to this terminal.

I Receiving frequency data input terminal.

Data

A data signal containing the receiving frequency and band is sent to this terminal from pin 22 of

IC7 (RVITC9137P) each time the receiving

frequency is changed.

"H"

"L"

level.

Pin No.

ISymbol1

21-27Ia1-g1

Vss I Power supply terminal (5V).

28

Description

~

.

.:=:::.--

1 7-segment drive output terminal.

This output terminal for enabling display of the digit corresponding to units of 100 kHz mode and the digit corresponding to units of 1 kHz in the

AM

mode.

in

the FM

Al.M

:E

o

u

2)

Output signal waveforms of

22-1

Fig.

No. signal vs. common

."

$

j

indicates the timing chart of LCD operation.

Phase of segment

signal 1 Oposite 2 Same

RVITD6301AP (IC403): EACH TERMINAL FUNCTION &

F M

Segments of LCD

ON

OFF

~

LCD

$

Fig.

segment

22

~~

I a2 I

I_I

2

19

IC403

0

___

1-

'

Pin 20 (a2)

Pin 19 (b2) Pin 18 (c2)

Pin 17 (d2) Pin 16 (e2)

Pin 15 (f2)

Pin 13 (92) 1---uL! COM 2

1'tlliIWlJ

~

I

~~

~

l..J-Lri

J-u-1

I I

:~

r :

~

l

d2

1

"-

__

c2

Fig.

22-1

3,4

CK1, CK2

0102D4DB016 032064DI28D2S6D51201024LWFMJFMUAM9AM10

Dala

8 Flequency

A data signal is composed of 16 bits. Eleven bits are assigned for frequency data and the remaining 5 bits are assigned for the reception bands.

Receiving frequency data input control timing input terminal.

Each time a data signal is sent, atiming signal is concurrently sent from pins 20 and this terminal, to read the data signal.

Two lines the data signal reading. They have the following timing relationship with the data signal.

(CK-1

OaI8-------"[

CK,

CK>

DaUl

".--------11----

a-'OO~see

21

of IC7 to

and CK-2) are used for timing

04

02

01

eI

-~---;:."

WAVEFORM

1)

Terminal View

L/D

Data

CKI

CK2

I/O

g3 f3 e3

d3 c3 b3 03 g2

GND

I

114

Fig.

23

Vcc 01

bl

cl dl el f I gl

02 b2 c2 d2 e2

f2

DATA

CK I

CK2

2)

Block Diagram

Fig.

24

5

6-12Ia3-g31

13.15-201

14 I GND IGround terminal.

I/O I Segment drive output terminal.

This output terminal enables display of the digit corresponding to units mode and the digit corresponding to units of 1000 kH

7-segment drive output terminal. This output terminal enables display corresponding to units of 10 MHz mode and the digit corresponding to units of 100 kHz in the

a2-g2

17-segment drive output terminal.

This output terminal enables display of the digit

corresponding to units and the digit corresponding to units of the

AM

in

the AM mode.

AM

mode.

of

100 MHz in the FM

of in

of

1 MHzintheFMmode

10kHz

the'digit

the

FM

in

[[]

[Q]

RVITC9137P (IC7): EACH TERMINAL FUNCTION &

RM-1100 RM-1100

WAVEFORM

1) Terminal view

GND--d

XT XT

81 82 EI E2

OSC

AIM

UP

DOWN

A-STOP

STO

Mi

M2 M3

M4

-

M5

M6

CK-I CK-2

Fig.

3)

Explanation

Pin No.

Symbol

1 GND Ground terminal.

2,3

4,5

6,7

XT,XT

81,

E1,

Usedtoconnect a quartz oscillator (7.2 MHz).

Input terminals for FM/AM band switching and

82

IF fine tuning selection. Applying the voltages shown below effects band switching and IF selection.

81

"H"

Band-mode switching input terminals.

E2

Applying the voltages shown below switches the band mode.

E1

"H"

"L"

,n---Pee

h....--.-

b-----

~tl-----

25

of

each terminal

Description

4)

6)IE2

I

B2 (Pin

'ILl!

(Pin "HI!

(Pin

"l"

"HII

Level: 5 V

(Pin

ilL"

Level: 5 V Level: 0 V

Voo

TEST

INH

AM

PSC

FM Mute

00-1 00-2

HI H2

H3 H4 H5

Li

L2 L3 L4

0/5

Dote

"H"

IN

5) AM

(450 kHz)

FM

(10.7 MHz)

"L"

Level: 0 V

7)

I

For U.S.A. BAND

2)

Block Diagram

,

XT

BI B2

EI

E2

STO

Pin No.

10,

psc

AM

IN

FM

IN

~

Voo

Fig.

26

Symbol

External CR connection terminal.

OSC

8

9

UP, Tuning key input terminals.

11

DOWN

Externally connected C123 (10

R133 (27 kO) determine the auto·search scan· ning speed, automatic reset of the preset memory storage state, and the shifting time of manual tuning to fast scanning.

Auto/manual switching input terminal.

AIM

Selects manual or auto·search mode

up/down tuning mode.

"L"

level......manual mode

"H"

level...... auto·search mode

Sustained pressing of the UP/DOWN tuning key for a certain time switches from manual mode auto·search mode, and moves the from

"L"to"H".

When the voltages shown below are applied to the UP and DOWN terminals, the reception

frequency is raised or lowered.

UP (Pin

10)

DOWN (Pin

"H" "H" "L"

"H"

"H" "L" "H"

level: 5V,"L"

Description

V,

2.2

AIM

11) The reception frequencyislocked. The reception frequency lowers. The reception frequency rises.

level: 0 V

,

JLF)

and

in

the

terminal

No.1

37

38

39

40

42

Symbol

FM

IN

PSC

I

I I

AM

IN

I I

INH

I

I I

VDD

I

FM

programmable counter input terminal.

The

FM

into 1/30 or 1/32 by the prescaler (IC6

RVITD6104P) is inputted to this terminal.

This is the terminaltodeliver the frequency dividing ratio change over output signaltothe pre·scaler (IC6 RVITD6104P).

I

AM

programmable counter input terminal.

AM

The from pin 8 of

IN

terminalinthe

Inhibit input terminal.

I

When the power is turned on, the voltage rising time at the INH terminal (pin 40) is delayed for a

certain time [the time constant of R90 (100

and C94 is read during this rising time.

A voltage of 5 during device operation.

I

Pin No. I Symbol

A·STOP

12

13

14-17IM1-M41

20-22

I

34

I

to

I Auto·search stop input terminal.

When a broadcast is detected during auto· search operation,

from

03

terminal

I Preset memory storage terminal.

STO

CK·1 CK·2

Data

00·1

Pressing the memory switch (56) brings pin 13 to

"L"

to ready the circuitry for storage.

Memory addressing input terminals. When the desired program switch (57, 58, 59 or

510)

IS

condition, the corresponding terminal M3 or M4) goes frequency data be read program switch (57, 58, 59 or 510).

Reception frequency data and timing signal output terminals. A cycle of data and signal is serially delivered

I

only when the reception frequency is altered, Le.,

when the UP/DOWN keyispressed, the memory The timing signals for data signal reading are delivered from the

21) terminals. The reception frequency data the DATA terminal

JlII.Il.UJLJLIl

~CK.2~CK.2

[Example]

Phase comparator output terminal.

I

When the phase of the frequency·divided output of the programmable counter lags behind the reference frequency, the output at the phase comparator output terminal goes period corresponding to the phase difference.

When the counter output leads, the comparator output goes the phase difference.

Description

"H"

level signalisapplied

(250601, SWITCHING)tothe A·STOP

to

stop the auto·search.

pressedinthe memory set ready

"L".

At this time the reception

is

by

is

AM

-stored. The stored data can

simply pressing the corresponding

read, or the band is changed.

CK·1

(pin 20) and CK·2 (pin

(pill 22).

CK·1

J"lJUl.IlJlIlJlJl.lUlJl.JUlJll

Droa Droa

1000 kHz [Example]

"H"

for the period corresponding

(M1,

is

delivered from

FM

"L"

M2,

CK·1

100 MHz

for the

II

..

II

to

Description

local

osclll~al

2.8JLsec

[Example]

whichisdivided

FM

100 MHz

1.6 V

1 V

ffiJUlI6V

OV

~JLsec-1

local oscillation signalisdirectlyapplied

IC301

7JLsec

(1JLF)].

V±0.5

[Example]

(PVIUPC1215VE)tothe

AM

mode.

[Example]

The band mode selection data

V supply'to this terminal

FM

4V

OV

AM

100 MHz

AM

1000 kHz

kO)

I

___

o.~-

"

36

Mute

Muting output terminal.

The muting output

terminal at the time of key operation and other

cases.

is

delivered from the MUTE

[1]

[Ig]

AUDIO SYSTEM CONNECTION

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