Jvc KS-F545 Service Manual

KS-F545

SERVICE MANUAL

CASSETTE RECEIVER

4982820034

KS-F545

RPT

SCM

MODE

Area Suffix

EE ------- Russian Federation

TABLE OF CONTENTS

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

2 Disassembly method . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

3 Adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18

4 Description of major ICs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-22

No.49828

2003/4

KS-F545

1.1 Safety Precautions

SECTION 1

Important Safety Precautions

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.

1-2 (No.49828)

SECTION 2

Disassembly method

2.1 Main body

2.1.1 Removing the front panel assembly (See Fig.1)

(1) Press the release button and remove the front panel as-

sembly.

2.1.2 Removing the bottom cover (See Fig.2)

(1) Turn the main body upside down. (2) Insert a screwdriver under the joints to release the two

joints a on the left side, two joints b on the right side and joint c on the back side of the main body, then remove the bottom cover from the main body.

CAUTION:

When releasing the joints using a screwdriver, do not damage the main board.

Joint a

Front panel assembly

Fig.1

Bottom cover

Release button

Joint

KS-F545

2.1.3 Removing the front chassis (See Fig.3)

• Prior to performing the following procedures, remove the front

panel assembly and bottom cover. (1) Remove the screw A on the both sides of the main body. (2) Release the two joints d and two joints e on the both sides

of the main body, then remove the front chassis toward the front.

Joint a

Joint c

Fig.2

Joint d

Joint e

Joint d Joint e

Front chassis

Fig.3

Joint b

(No.49828)1-3

KS-F545

2.1.4 Removing the heat sink (See Fig.4)

• Prior to performing the following procedure, remove the front

panel assembly. (1) Remove the two screws B and two screws C attaching the

heat sink on the left side of the main body, and remove the heat sink.

2.1.5 Removing the rear panel (See Fig.5)

• Prior to performing the following procedure, remove the front

panel assembly and bottom cover. (1) Remove the two screws D, two screws E and screw F at-

taching the rear panel on the back side of the main body.

CB C

Heat sink

Fig.4

Rear panel

Fig.5

2.1.6 Removing the main board (See Fig.6)

• Prior to performing the following procedures, remove the front

panel assembly, bottom cover, front chassis, heat sink and rear panel. (1) Remove the two screws G attaching the main board on the

top chassis.

(2) Disconnect the connectors CP401 on the main board from

the cassette mechanism assembly.

Main board

Top chassis

CP401

Fig.6

1-4 (No.49828)

KS-F545

2.1.7 Removing the cassette mechanism assembly

(See Fig.7)

• Prior to performing the following procedures, remove the front

panel assembly, bottom cover, front chassis, heat sink, rear panel and main board. (1) Disconnect the wire from the connector CN402 on the

mecha board.

(2) Disconnect the card wire from the connector CN403 on the

mecha board.

(3) Remove the four screws H attaching the cassette mecha-

nism assembly from the top chassis.

2.1.8 Removing the mecha board

(See Fig.8)

• Prior to performing the following procedures, remove the front

panel assembly, bottom cover, front chassis, heat sink, rear panel and main board. (1) Disconnect the wire from the connector CN402 on the

mecha board.

(2) Disconnect the card wire from the connector CN403 on the

mecha board. (3) Remove the screw J attaching the mecha board. (4) Bend the hook f in the direction of the arrow 1 and move the

mecha board in the direction of the arrow 2. (5) Remove the mecha board from the mecha bracket (L) of

the top chassis.

Mecha board

Top chassis

Cassette mechanism assembly

CN403

CN402

CN403

CN402

Fig.7

Mecha board

Fig.8

Top chassis

Hook f

Mecha bracket (L)

(No.49828)1-5

KS-F545

2.1.9 Removing the front board (See Fig.9 to 11)

• Prior to performing the following procedures, remove the front

panel assembly. (1) Remove the four screws K attaching the rear cover on the

back side of the front panel assembly. (See Fig.9.)

(2) Release the eleven joints g, the front panel assembly and

the rear cover become separate. (See Fig.10.)

(3) Remove the front board from the front panel assembly.

(See Fig.11.)

Rear cover

K K

Fig.9

Joints

Joints g

Front panel assembly

Joints g

Fig.10

Front board

Fig.11

1-6 (No.49828)

2.2 Cassette mechanism assembly

REFERENCE:

Prior to performing the following procedures, turn the mode gear on the bottom of the body until the respective part comes to the EJECT position (Refer to Fig.1).

2.2.1 Removing the cassette guide

(See Fig.2)

(1) Turn the mode gear to set to RVS play or subsequent

mode.

(2) Remove the cassette guide from the main chassis while re-

leasing each two joint tabs a in the direction of the arrow.

KS-F545

Mode gea

Fig.1

Cassette guide

2.2.2 Removing the load arm

(See Fig.3)

(1) Remove the E-washer attaching the load arm. (2) Move the load arm in the direction of the arrow and release

the joint b on the cassette catch.

Load arm

E-washer

Tab a

Fig.2

Joint b

Fig.3

(No.49828)1-7

KS-F545

2.2.3 Removing the cassette hanger assembly / cassette holder (See Fig.4 to 7)

(1) Check the mode is set to EJECT. Push down the front part

of the cassette holder and move in the direction of the arrow to release the joint c.

(2) Move the rear part of the cassette hanger assembly in the

direction of the arrow to release it from the two joint bosses d.

(3) Release the holder stabilizer spring from the hooks e and

f, then pull out from the cassette hanger assembly.

(4) Bring up the rear side of the cassette hanger assembly to

release the joint g and h.

(5) Pull out the cassette catch from the cassette hanger as-

sembly.

Cassette holder assembly

Side bracket

Joints c

Cassette holder assembly

Fig.4

Boss d

Cassette hanger assembly

Boss d

Cassette stabilizer spring

Hook e

Cassette holder assembly

Hook g

Cassette hange

assembly

Hook f

Fig.5

Cassette hanger assembly

Hook h

Fig.6

Cassette hanger assembly

1-8 (No.49828)

Cassette catch

Cassette holder assembly

Fig.7

KS-F545

2.2.4 Removing the side bracket assembly

(See Fig.8 to 10)

(1) Remove the screw A attaching the side bracket assembly. (2) Detach the front side of the side bracket assembly upward

and pull out forward to release the joint i and j in the rear.

CAUTION:

When reassembling, make sure that the boss k of the main chassis is set in the notch of the load rack under the side bracket assembly. Do not reattach the load rack on the boss k.

CAUTION:

After reattaching the side bracket assembly, confirm operation.

Side bracket assembly

Joint i

Joint j

Side bracket assembly

Fig.8

Side bracket assembly

Joint i

Joint j

Load rack

Boss k

Fig.9

Boss k

Fig.10

(No.49828)1-9

KS-F545

2.2.5 Removing the pinch arm (F) assembly (See Fig.11 and 12)

(1) Remove the polywasher and pull out the pinch arm (F) as-

sembly.

(2) Remove the compulsion spring.

2.2.6 Removing the pinch arm (R) assembly (See Fig.11 and 12)

(1) Remove the polywasher and pull out the pinch arm (R) as-

sembly.

2.2.7 Removing the slide chassis assembly (See Fig.13 and 14)

REFERENCE:

It is not necessary to remove the head and the tape guide. (1) Move the slide chassis assembly in the direction of the ar-

row to release the two joints l and remove from the main chassis.

(2) Remove the rack link.

CAUTION:

When reassembling, first reattach the rack link, and next fit the boss m and hook n of the slide chassis assembly to the hole of the main chassis, and engage the two joints l.

Joint l

Slide chassis assembly

Fig.13

Head

Tape guide

Boss m

Polywasher

Compulsion spring

Pinch arm (R) assembly

Pinch arm (F) assembly

Fig.11

Pinch arm (F) assembly

Pinch arm (R) assembly

Rack link

Hook n

Polywashe

Fig.14

Polywasher

1-10 (No.49828)

Fig.12

KS-F545

2.2.8 Removing the head / tape guide

(See Fig.16 and 17)

REFERENCE:

It is not necessary to remove the slide chassis assembly. (1) Remove the band attaching the wire to the head. (2) Remove the two screws B, the head and the head support

spring. (3) Remove the pinch arm spring from the tape guide. (4) Remove the tape guide and the pinch spring arm.

CAUTION:

When reattaching the pinch arm spring, set both end of it to the pinch spring arm (remarked o).

CAUTION:

When reattaching the head, set the wires into the groove of the tape guide (Fig.16).

2.2.9 Removing the flywheel assembly (F) & (R) (See Fig.18 and 19)

REFERENCE:

It is not necessary to remove the slide chassis assembly. (1) Remove the belt at the bottom. (2) Remove the two polywashers on the upper side. (3) Pull out each flywheel assembly downward.

Slide chassis assembly

Flywheel assembly (F)

Flywheel assembly (R)

Belt

Fig.17

Polywasher

Head

Head support spring

Tape guide

Pinch spring arm

Head

Fig.15

Tape guide

Pinch arm spring

Flywheel assembly (F)

Flywheel assembly (R)

Fig.18

Slid chassis assembly

Fig.16

(No.49828)1-11

KS-F545

2.2.10 Disassembling the flywheel assembly (F) (See Fig.19 and 20)

(1) Push and turn counterclockwise the spring holder (F) to re-

lease the three joints p on the bottom of the flywheel.

(2) The spring holder (F), the TU spring and the friction gear

play come off.

(3) Remove the polywasher and felt.

2.2.11 Disassembling the flywheel assembly (R) (See Fig.19 and 20)

(1) Push and turn clockwise the spring holder (R) to release

the three joints q on the bottom of the flywheel.

(2) The spring holder (R), the FF spring and the friction gear

FF come off.

(3) Remove the polywasher and the felt.

2.2.12 Removing the reel board (See Fig.21 and 22)

(1) Remove the two screws C attaching the reel board. (2) Move the reel board in the direction of the arrow to release

the joint r.

(3) Unsolder the wires if necessary.

CAUTION:

When reattaching, confirm operation of the MODE switch and the ST-BY switch. The mode position between EJECT and ST-BY is optimum for reattaching. Connect the card wire extending from the reel board to the FFC pad before reattaching the reel board.

FFC pad

Joint

Reel board

Fig.21

FFC pad

CT-1 switch

MODE switch

Flywheel assembly (F)

Joint p

Joints p

Fig.19

Polywasher

Spring holder (R)

Spring holder (F)

TU spring

Friction gear FF

Friction gear play

Polywasher

FF spring

Flywheel assembly (R)

Joints q

Joint q

Soldering

ST-BY switch

Fig.22

Flywheel assembly (F)

1-12 (No.49828)

Felt

Flywheel assembly (R)

Fig.20

2.2.13 Removing the gear base arm / gear base link assembly

(See Fig.23 to 25)

(1) Move the gear base arm in the direction of the arrow. (2) Insert a slotted screwdriver to the gear base spring under

the gear base arm, and release the gear base arm upward from the boss on the gear base assembly.

(3) Remove the gear base arm from the main chassis while re-

leasing the two joints s.

(4) Move the gear base link assemby in the direction of the ar-

row to release the two joints t.

REFERENCE:

When reattaching the gear base arm, make sure that the boss on the gear base assembly is inside the gear base spring.

2.2.14 Removing the FFC pad

(See Fig.25 and 27)

(1) Push each joint hook u of the FFC pad and remove toward

the bottom.

Gear base link assembly

Gear base spring

Joint t

KS-F545

Gear base arm

Joints s

Hook u

FFC pad

Hook u

Joint t

Fig.23

Gear base link assembly

Gear base arm

Screwdriver

Fig.24

Gear base arm

FFC pad

Fig.25

(No.49828)1-13

KS-F545

2.2.15 Removing the mode gear (See Fig.26 and 29)

(1) Remove the polywasher on the bottom and pull out the

mode gear.

2.2.16 Removing the mode switch actuator (See Fig.26, 27 and 29)

(1) Pull out the mode switch actuator at the bottom.

REFERENCE:

When reattaching the mode switch actuator to the main chassis, make sure to set on the shaft and insert v into the slot w.

2.2.17 Removing the direction link / direction plate (See Fig.27 to 29)

(1) Remove the polywasher attaching the direction link. (2) Bring up the direction link to release the three joints x, y

and z at a time.

(3) Move the direction plate in the direction of the arrow to re-

lease the two joints a’.

REFERENCE:

When reattaching the direction plate, engage the two joints a’ and move in the direction of the arrow (Refer to Fig.28).

REFERENCE:

When reattaching the direction link, move the direction plate in the direction of the arrow and engage the three joint x, y and z at a time (Refer to Fig.29).

2.2.18 Removing the mode rack assembly (See Fig.27 and 28)

(1) Move the mode rack assembly in the direction of the arrow

to release the two joints b’ and the joint c’.

REFERENCE:

When reattaching, set the two b’ on the bottom of the mode rack assembly into the slots of the main chassis and move in the direction of the arrow (See Fig.28).

Direction plate

Joints a'

Joint z

Direction link

Direction plate

Mode switch actuator

Direction link

Fig.26

Slot w

Joint y

Polywasher

Fig.27

Mode rack assembly

Joint b'

Mode gear

Polywashe

Mode rack assembly

Joint x

Joint b'

Joint c'

1-14 (No.49828)

Joints a'

Fig.28

Direction link

Mode switch actuator

Polywasher

Mode gea

Direction plate

Mode rack assembly

Fig.29

2.2.19 Removing the gear base assembly / take up gear / reflector gear

(See Fig.30 to 32)

(1) Push in the pin d’ of the gear base assembly on the upper

side of the body and move the reflector gear toward the bottom, then pull out.

(2) Remove the polywasher on the bottom and pull out the

take up gear.

(3) Move the gear base assembly in the direction of the arrow

to release it from the two slots e’ of the main chassis.

REFERENCE:

The parts are damaged when removed. Please replace with new ones.

2.2.20 Removing the reel driver / reel spindle

(See Fig.32)

(1) Draw out the reel driver from the shaft on the main chassis

and remove the reel driver spring and the reel spindle respectively.

CAUTION:

The reel driver is damaged when removed. Please replace with a new one.

Gear base assembly

Pin d'

Polywasher

KS-F545

Slot e'

Fig.30

Take up gear

Reflector gear

Reel driver

Reel driver spring

Reel spindle

Main chassis

Reflector gear

Fig.31

Reel driver

Reel driver spring

Reel spindle

Gear base assembly

Slots e’

Take up gea

Polywasher

Fig.32

(No.49828)1-15

KS-F545

2.2.21 Removing the side bracket assembly (See Fig.33 to 37)

(1) Remove the eject cam plate spring. (2) Push the joint f’ through the slot to remove the load rack

downward.

(3) Move the eject cam limiter in the direction of the arrow to

release it from the boss g’ of the side bracket assembly and from the two joints h’.

(4) Move the eject cam plate in the direction of the arrow to re-

lease the joint i’.

CAUTION:

When reassembling, confirm operation of each part before reattaching the eject cam plate spring.

Joint f'

Side bracket assembly

Boss g'

Eject cam plate

Fig.36

Side bracket assembly

Joint i'

Eject cam plate spring

Side bracket assembly

Joint h'

Side bracket assembly

Boss g'

Load rack

Fig.33

Eject cam limiter

Joint f'

Fig.34

Eject cam limiter

Eject cam plate

Joint i'

Fig.37

Joint h'

Load rack

Joint h'

1-16 (No.49828)

Eject cam plate

Fig.35

Joint h'

2.2.22 Removing the main motor assembly / sub motor assembly

(See Fig.38 to 40)

(1) Remove the belt at the bottom. (2) Remove the polywasher and pull out the mode gear. (3) Pull out the reduction gear (B). (4) Remove the polywasher and pull out the reduction gear

(A).

(5) Remove the two screws attaching the main motor assem-

bly.

(6) Remove the two screws E attaching the sub motor assem-

bly.

(7) Unsolder the wires on the reel board if necessary.

CAUTION:

When reassembling, adjust the length of the wires extending from the sub motor asswmbly by attaching them to the side of the sub motor assembly with the wires extending from the main motor assembly using a spacer.

Belt

Reduction gear (B)

Mode gear

Polywasher

Fig.38

Main motor

assembly

Reduction gear (A)

Polywashe

Sub moto assembly

Polywasher

Reduction gear (A)

KS-F545

Spacer

Main motor assembly

Sub motor assembly

Fig.39

Main motor assembly

Sub motor assembly

Fig.40

Space

(No.49828)1-17

KS-F545

3.1 Adjustment method

Test instruments required for adjustment Standard volume position

1. Digital oscilloscope (100MHz)

2. Frequency counter meter

3. Electric voltmeter

4. Wow & flutter meter

5. Test tapes

VT724.......................for DOLBY level measurement

VT739............For playback frequency measurement

VT712....For wow flutter & tape speed measurement

VT703.....................For head azimuth measurement

6. Torque gauge...................Cassette type for CTG-N

(Mechanism adjustment)

Measuring conditions (Amplifier section)

SECTION 3

Adjustment

Balance and Bass, Treble volume, Fader

: Center (Indication "0")

Loudness, Dolby NR, Sound, Cruise : Off

Volume position is about 2V at speaker output with

following conditions, Playback the test tape VT721.

AM mode 999kHz/62dB, INT/400Hz, 30%

modulation signal on receiving.

FM mono mode 97.9MHz/66dB, INT/400Hz, 22.5kHz

deviation pilot off mono

FM stereo mode 1kHz, 67.5kHz dev. pilot 7.5kHz dev. Output level 0dB (1 V,50 /open terminal)

Power supply voltage.............. DC14.4V (11V to 16V allowance)

Load impedance............ 4 (4 to 8 allowance)

Line out level/Impedance..............1.0V/20k load (250 nWb/m)

Frequency band

87.5 MHz to 108.0 MHz

65.00 MHz to 74.00 MHz

522 kHz to 1620 kHz

144 kHz to 279 kHz

Band

FM1/FM2

FM3

AM (MW)

AM (LW)

1-18 (No.49828)

Information for using a car audio service jig

1. We're advancing efforts to make our extension cords common for all car audio products. Please use this type of extension cord as follows.

2. As a U-shape type top cover is employed, this type of extension cord is needed to check operation of the mechanism assembly after disassembly.

3. Extension cord : EXTKSRT002-18P ( 18 pin extension cord ) For connection between mechanism assembly and main board.

4. Check for mechanism driving section such as motor ,etc.

Disassembly method

1. Remove the front panel assembly.

2. Remove the bottom cover.

3. Remove the front chassis.

4. Remove the heat sink.

5. Remove the rear panel

6. Remove the main board.

7. Reattach the heat sink with the two screws B. (Refer to Disassembly method.)

8. Reattach the rear panel with the screw E. (Refer to Disassembly method.)

9. Reattach the front panel assembly.

10. Confirm that current is being carried by connecting an extension cord jig. Note Available to connect to the CJ601 connector when installing the front panel.

KS-F545

CAUTION : Be sure to attach the heat sink and rear panel on the power amplifier IC and regulator IC of a main board when supplying the power. If voltage is applied without attaching those parts, the power amplifier IC and regulator IC will be destroyed by heat.

To Cassette mechanism

Extension cord EXTKSRT002-18P

To Main board

Cassette mechanism

EXTKSRT002-18P

Front panel assembly

Main board

(No.49828)1-19

KS-F545

Arrangement of adjusting & test points

Cassette mechanism

(Surface)

Motor assembly

Tape speed adjust

Azimuth screw

(Forward)

Playback head

Head section view

Azimuth screw B

(Reverse)

1-20 (No.49828)

Azimuth screw B

(Reverse)

Playback head

Azimuth screw A

(Forward)

KS-F545

Item

Head

1. azimuth adjustment

Conditions

Test tape: SCC-1659 VT703 (10kHz)

Test tape: VT724 (1kHz) VT703 (10kHz) VT721 (315Hz)

Adjustment and Confirmation methods

Head height adjustment Adjust the azimuth directly. When you adjust the height using a mirror tape, remove the cassette housing from the mechanism chassis. After installing the cassette housing, perform the azimuth adjustment.

Load the SCC-1659 mirror tape. Adjust with

1. height adjustment screw A and azimuth adjustment screw B so that line A of the mirror tape runs in the center between Lch and Rch in the reverse play mode.

After switching from REV to FWD then to

2. REV, check that the head position set in procedure 1 is not changed. (If the position has shifted, adjust again and check.)

Adjust with azimuth adjustment screw B so

3. that line B of the mirror tape runs in the center between Lch and Rch in the forward play mode.

Head azimuth adjustment

Load VT724 (1kHz) and play it back in

1. the reverse play mode. Set the Rch output level to max.

Load VT703 (10kHz) and play it back in

2. the forward play mode. Adjust the Rch and Lch output levels to max, with azimuth adjustment screw B. In this case, the phase difference should be within 45 .

Engage the reverse mode and adjust the

3. output level to max, with azimuth adjustment screw C. (The phase difference should be 45 or more.)

When switching between forward and

4. reverse modes, the difference between channels should be within 3dB. (Between FWD L and R, REV L and R.)

S.Values Adjust

A line

Head shield

The head is at low position during.

B line

Head shield

The head is at High position during REV.

Output level: Maximum

PBHead

FWD Adj B

REV Adj C

(0 ) (45 )

HEIGHT Adj A

phase

Tape speed

2. and wow flutter confirmation

Play back

3. frequency response confirmation

When VT721 (315Hz) is played back,

5. the level difference between channels should be within 1.5dB.

Test tape: VT712 (3kHz)

Test tape: VT724 (1kHz) VT739 (63Hz / 1kHz / 10kHz)

The tuner section is of an adjustment-freedesign. In case the tuner is in trouble, replace the tuner pack.

Check to see if the reading of the F, counter /

1. wow flutter meter is within 3015Hz to 3045Hz

(FWD/ REV), and less than 0.35% (JIS RMS).

In case of out of specification, adjust the

2. motor with a built-in volume resistor.

Play test tape VT724, and set the volume

1. position at 2V.

Play test tape VT739 and confirm.

2. 1kHz / 10kHz: -1 3dB, 1kHz / 63Hz: 0 3dB,

When 10kHz is out of specification, it will be

3. necessary to read adjust the azimuth.

Tape speed: 3015Hz to 3045Hz Wow flutter: less than 0.35%

Speaker out 1kHz / 63Hz : 0 3dB 1kHz / 10kHz : -1 3dB

Built-in volume resistor

(No.49828)1-21

KS-F545

SECTION 4

Description of major ICs

4.1 HA12231FP-X (IC401) : PB Equalizer/Line Mute/Music Sensor

• Pin layout & Block diagram

Vcc

14 13 12 11 10

Ripple Filter

ALC

1 2 3 4 5 6

GND

Amp.

Ch2

Amp.

Ch1

• Pin function

Pin No. Symbol I/O Function

1 VREF O Reference output

2 FIN(R) I Equalizer input

3 RIN(R) I Equalizer input

4 EQOUT(R) O Equalizer output

5 TAI(R) I Tape input

6 PBOUT(R) O PB output

7 MS GV - MS gain terminal

8 120/70 I Mode control input

9 Mute I Mode control input

10 FOR/REV I Mode control input

11 Vcc - Power supply

12 MS O MS output (to MPU)

13 MSDET - Time constant pin for MS rectifier

14 RIP - Ripple filter

15 PBOUT(L) O PB output

16 TAI(L) I Tape input

17 EQOUT(L) O Equalizer output

18 RIN(L) I Equalizer input

19 FIN(L) I Equalizer input

20 GND - Ground

1-22 (No.49828)

4.2 HA13164A (IC901) : Regulator

• Terminal layout

123456789101112131415

• Block diagram

ANT OUT

EXT OUT

ANT CTRL

CTRL

CD OUT

AUDIO OUT

0.1u

10u

VCC ACC

Surge Protector

BIAS TSD

TAB

100u

KS-F545

0.1u

ILM AJGND GND

ACC

BATT.DET OUT

COMPOUT

VDD OUT

SW5VOUT

ILMOUT

0.1u

UNIT R:

C:F

note1) TAB (header of IC)

connected to GND

• Pin function

Pin No. Symbol Function

1 EXTOUT Output voltage is VCC-1 V when M or H level applied to CTRL pin.

2 ANTOUT Output voltage is VCC-1 V when M or H level to CTRL pin and H level to ANT-CTRL.

3 ACCIN Connected to ACC.

4 VDDOUT Regular 5.7V.

5 SW5VOUT Output voltage is 5V when M or H level applied to CTRL pin.

6 COMPOUT Output for ACC detector.

7 ANT CTRL L:ANT output OFF H:ANT output ON

8 VCC Connected to VCC.

9 BATT DET Low battery detect.

10 AUDIO OUT Output voltage is 9V when M or H level applied to CTRL pin.

11 CTRL L:BIAS OFF M:BIAS ON H:CD ON

12 CD OUT Output voltage is 8V when H level applied to CTRL pin.

13 ILM AJ Adjustment pin for ILM output voltage.

14 ILM OUT Output voltage is 10V when M or H level applied to CTRL pin.

15 GND Connected to GND.

(No.49828)1-23

KS-F545

4.3 LA4743K (IC301) : Power amp.

• Block diagram

IN 1

TAB

IN 2

0.22 F

Vcc 1/2 Vcc 3/4

6 20

Protective

circuit

2200 F 0.022 F

OUT 1+

OUT 1-

PWR GND1

OUT 2+

OUT 2-

PWR GND2

ST BY

R.F

47 F

IN 3

PRE GND

IN 4

+5V ST ON

0.22 F

N.C

0.22 F

Stand by

Switch

Mute

Ripple

Filter

Mute

circuit

3.3 F

10K

OUT 3+

OUT 3-

Low Level Mute ON

PWR GND3

OUT 4+

OUT 4-

Protective

circuit

ON TIME C

1-24 (No.49828)

22 F

Muting &

ON Time Control

Circuit

PWR GND4

•Pin layout

TAB

GND

FR-

STDBY

FR+

VP1

RR-

GND

RR+

RIPPLE

INRF

INRR

SGND

FLIN

RLIN

DNTIME

RL+

GND

RL-

VP3

FL+

MUTE

FL-

GND

• Pin function

Pin No. Symbol Function Pin No. Symbol Function

1 TAB Header of IC 14 FLIN Front Lch input

2 GND Power GND 15 RLIN Rear Lch input

3 FR- Outpur(-) for front Rch 16 ONTIME Power on time control

4 STDBY Stand by input 17 RL+ Output (+) for rear Lch

5 FR+ Output (+) for front Rch 18 GND Power GND

6 VP1 Power input 19 RL- Output (-) for rear Lch

7 RR- Output (-) for rear Rch 20 VP3 Power input

8 GND Power GND 21 FL+ Output (+) for front

9 RR+ Output (+) for rear Rch 22 MUTE Muting control input

10 RIPPLE Ripple filter 23 FL- Output (-) for front

11 RRIN Rear Rch input 24 GND Power GND

12 FRIN Front Rch input 25 NC Non connection

13 SGND Signal GND

KS-F545

4.4 LB1641 (IC402) : DC Motor driver

•Pin layout •Truth table

Input Output Mode

IN1 IN2 OUT1 OUT2

0000 Brake

1 2 3 4 5 6 7 8 9

GND OUT1 P1

VZ IN1 IN2

VCC1

VCC2 P2

OUT2

1 0 1 0 CLOCKWISE

0 1 0 1 COUNTER-CLOCKWISE

1100 Brake

(No.49828)1-25

KS-F545

4.5 LC75823W (IC651) : LCD driver

• Pin Layout

DICLCE

OSC

Vss

VDD2

VDD1

INH

VDD

COM3

COM2

COM1

S52

S51

S50

S49

64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49

S1 S2 S3 S4 S5 S6 S7 S8

S9 S10 S11 S12 S13 S14 S15 S16

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33

S48 S47 S46 S45 S44 S43 S42 S41 S40 S39 S38 S37 S36 S35 S34 S33

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

S17

S18

S19

S20

S21

S22

S23

S24

S25

S26

S27

S28

S29

S30

S31

S32

• Pin function

Pin No. Symbol I/O Functions

1 to 52 S1 to S52 O Segment output pins used to display data transferred by serial data input.

53 to 55 COM1 to COM3 O Common driver output pins. The frame frequency is given by : t0=(fosc/384)Hz.

56 VDD -- Power supply connection. Provide a voltage of between 4.5 and 6.0V.

57 INH

58 VDD1 I Used for applying the LCD drive 2/3 bias voltage externally.

59 VDD2 I Used for applying the LCD drive 1/3 bias voltage externally.

60 Vss -- Power supply connection. Connect to GND.

61 OSC I/O Oscillator connection.

62 CE I Serial data interface connection to the controller. CE : Chip enable

63 CL I Serial data interface connection to the controller. CL : Sync clock

64 DI I Serial data interface connection to the controller. DI : Transfer data

I Display turning off input pin.

INT="L" (Vss) ----- off (S1 to S52, COM1 to COM3="L"

="H" (VDD)----- on

INT Serial data can be transferred in display off mode.

Must be connected to VDD2 when a 1/2 bias drive scheme is used.

Must be connected to VDD1 when a 1/2 bias drive scheme is used.

An oscillator circuit is formed by connecting an external resistor and capacitor at this pin.

1-26 (No.49828)

4.6 TEA6320T-X (IC161) : E.volume

•Pin layout

SDA

GND

OUTLR

OUTLF

B2L

B1L

IVL

ILL

QSL

IDL

MUTE

ICL

IBL IAL

14 15 16

CD-CH

TAPE

TUNER

IMD

• Block diagram

10 8 9 7 6

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

SCL VCC OUTRR OUTRF TR B2R B1R IVR ILR QSR IDR Vref ICR CAP IBR IAR

KS-F545

21 31

POWER

SUPPLY

VOLUME 1

+20 to -31 dB

LOUDNESS

LEFT

16 15 13

22 20

SOURCE

SELECTOR

VOLUME 1

+20 to -31 dB

LOUDNESS

RIGHT

18 17

23 25 24 26 27 28

• Pin functions

Pin No.

Symbol I/O Functions

1 SDA I/O Serial data input/output. 2 GND - Ground. 3 OUTLR O output left rear. 4 OUTLF O output left front. 5 TL I Treble control capacitor left channel

or input from an external equalizer.

6 B2L - Bass control capacitor left channel or

output to an external equalizer. 7 B1L - Bass control capacitor left channel. 8 IVL I Input volume 1. left control part. 9 ILL I Input loudness. left control part.

10 QSL O Output source selector. left channel. 11 IDL - Not used 12 MUTE - Not used 13 ICL I Input C left source. 14 IMO - Not used 15 IBL I Input B left source. 16 IAL I Input A left source.

BASS LEFT

+15 dB

LOGIC

BASS RIGHT +15 dB

VOLUME 2

0 to 55 dB BALANCE

FENDER REAR

VOLUME 2

0 to 55 dB

BALANCE

FENDER FRONT

HC BUS

REC

TREBLE

LEFT

+12 dB

MUTE

FUNCTION

ZERO CROSS

DETECTOR

VOLUME 2

TREBLE

RIGHT +12 dB

No.

Symbol I/O Functions

0 to -55dB BALANCE

FENDER FRONT

VOLUME 2

0 to -55dB BALANCE

FENDER REAR

17 IAR I Input A right source. 18 IBR I Input B right source. 19 CAP - Electronic filtering for supply. 20 ICR I Input C right source. 21 Vref - Reference voltage (0.5Vcc) 22 IDR - Not used 23 QSR O Output source selector right channel. 24 ILR I Input loudness right channel. 25 IVR I Input volume 1. right control part. 26 B1R - Bass control capacitor right channel 27 B2R O Bass control capacitor right channel

or output to an external equalizer.

28 TR I Treble control capacitor right channel

or input from an external equalizer. 29 OUTRF O Output right front. 30 OUTRR O Output right rear. 31 Vcc - Supply voltage. 32 SCL I Serial clock input.

(No.49828)1-27

KS-F545

4.7 UPD178078GF-597 (IC701) : CPU

• Pin layout

100 ~ 81

31 ~ 50

• Pin function

Pin No. Symbol I/O Descriptions

1 ACCDET I Power save 1, working together ACC

2 POWER I Power save 2 , working together Backup

3 PCNT I Power ON/OFF switching output

4 STANDBY I Standby position detection input

5 TAPEIN - Cassette in detection input

6NC-No use

7 BUSI/O - No use

8 BUSSI - No use

9 BUSSO - No use

10 BUSSCK - No use

11 I2CDAI - No use

12 I2CDAO O I2C information data output

13 I2CSCK O I2C information clock output

14 MODE I/O Mechanism mode position detection input

15 SUBMO+ I Sub motor positive direction input

16 SUBMO- O Sub motor negative direction output

17 REEL O Switch for detecting tape end position

18 MSIN I MS input

19 DOLBY O Dolby on "H" output

20 F/R O FWD/REVERSE running direction switch signal input

21 FF/REW I Output for input signal level switching for MS

22 MOTOR O Main motor output

23 LEVEL I Level meter input

24 SM I S.meter level input

25 SQ I Q.quality level input

26 NC - No use

27 AVDD - VDD

28 NC - No use

29 KEY0 I Key input 0

30 KEY1 I Key input 1

31 KEY2 I Key input 2

32 AVSS - GND

33 REGCPU - Regulator for CPU

34 VDD - VDD

35 REGOSC - Regulator for OSC

36 X2 - Connecting the X'tal oscillator for system clock

37 X1 I Connecting the X'tal oscillator for system clock

38 GND0 - GND

39 SEEK/STOP O Auto seek / Stop selecting output

1-28 (No.49828)

Pin No. Symbol I/O Descriptions

40 GND2 - GND

41 NC - No use

42 IFC I FM/AM middle frequency counter input

43 VDDPLL - VDD for PLL

44 FMOSC I FM/AM limited generator frequency counter input

45 NC - No use

46 GNDPLL - PLL for GND

47 AME0 O AM error out output

48 FME0 O FM error out output

49 VPP - VPP

50 RESET - Pull up

51 RDSSCK - No use

52 RDSDA - No use

53 MONO O Monoral ON/OFF selecting output

54 SD/ST I Station detector, Stereo signal input

55 FM/AM O FM/AM switching output

56 AFCK - No use

57 DETACH I Detach signal input

58,59 NC - No use

60 LCDDA O Data output for LCD driver

61 LCDSCK O Serial clock ooutput for LCD driver

62 LCDCE O Chip enable output for LCD driver

63~68 NC - No use

69 RX - No use

70 TX - No use

71 IFC CONT I IFC control signal input

72 OPEN I Door open detect signal input

73~77 NC - No use

78 REMOCON I Remocon signal input

79 NC - No use

80 J-BUSINT - No use

81 (STERING) - No use

82 GND1 - GND

83 STAGE1 I No use

84 STAGE2 I No use

85 MUTE O Mute output

86,87 NC - No use

88 TELMUTE I Telephone mute signal detection input

89 NC - No use

90 (DIMMER OUT) - GND

91 (ENC1) O No use

92 (ENC2) O No use

93 (DIMMER IN) - No use

94 ANT I Remote antenna detection input

95~98 NC - No use

99 VDDPORT - VDD

100 GNDPORT - GND

KS-F545

(No.49828)1-29

KS-F545

VICTOR COMPANY OF JAPAN, LIMITED

AV & MULTIMEDIA COMPANY MOBILE ENTERTAINMENT CATEGORY 10-1,1chome,Ohwatari-machi,Maebashi-city,371-8543,Japan

(No.49828)

Printed in Japan

20034WPC

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