Datasheet FFH-173A Service manual (LG)

- 1-1 -

CONTENTS

SECTION 1. GENERAL

•SERVICING PRECAUTIONS

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

1-2

• ESD PRECAUTIONS

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

1-4

• SPECIFICATIONS

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

1-5

SECTION 2. ELECTRICAL

• ADJUSTMENTS

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

2-1

• TROUBLESHOOTING

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

2-3

• WAVEFORMS OF MAJOR CHECK POINT

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

2-6

• BLOCK DIAGRAM

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

2-15

• SCHEMATIC DIAGRAMS

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

2-17

• WIRING DIAGRAM

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

2-25

• PRINTED CIRCUIT DIARGAMS

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

2-27

• INTERNAL BLOCK DIAGRAM OF IC’s

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

2-37

SECTION 3. EXPLODED VIEWS

• CABINET AND MAIN FRAME SECTION

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

3-1

• TAPE DECK MECHANISM: AUTO STOP DECK

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

3-3

SECTION 4. SPEAKER

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

4-1

SECTION 5. REPLACEMENT PARTS LIST

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

5-1

SECTION 1. GENERAL

SERVICING PRECAUTIONS

NOTES REGARDING HANDLING OF THE PICK-UP

1. Notes for transport and storage

1) The pick-up should always be left in its conductive bag until immediately prior to use.

2) The pick-up should never be subjected to external pressure or impact.

2. Repair notes

1) The pick-up incorporates a strong magnet, and so should never be brought close to magnetic materials.

2) The pick-up should always be handled correctly and carefully, taking care to avoid external pressure and
impact. If it is subjected to strong pressure or impact, the result may be an operational malfunction and/or
damage to the printed-circuit board.

3) Each and every pick-up is already individually adjusted to a high degree of precision, and for that reason
the adjustment point and installation screws should absolutely never be touched.

4) Laser beams may damage the eyes!
Absolutely never permit laser beams to enter the eyes!
Also NEVER switch ON the power to the laser output part (lens, etc.) of the pick-up if it is damaged.

5) Cleaning the lens surface
If there is dust on the lens surface, the dust should be cleaned away by using an air bush (such as used
for camera lens). The lens is held by a delicate spring. When cleaning the lens surface, therefore, a
cotton swab should be used, taking care not to distort this.

6) Never attempt to disassemble the pick-up.
Spring by excess pressure. If the lens is extremely dirty, apply isopropyl alcohol to the cotton swab. (Do
not use any other liquid cleaners, because they will damage the lens.) Take care not to use too much of
this alcohol on the swab, and do not allow the alcohol to get inside the pick-up.

- 1-2 -

Storage in conductive bag

Drop impact

NEVER look directly at the laser beam, and don’t let
contact fingers or other exposed skin.

Magnet

How to hold the pick-up

Pressure

Pressure

Cotton swab

Conductive Sheet

NOTES REGARDING COMPACT DISC PLAYER REPAIRS

1. Preparations

1) Compact disc players incorporate a great many ICs as well as the pick-up (laser diode). These
components are sensitive to, and easily affected by, static electricity. If such static electricity is high
voltage, components can be damaged, and for that reason components should be handled with care.

2) The pick-up is composed of many optical components and other high-precision components. Care must
be taken, therefore, to avoid repair or storage where the temperature of humidity is high, where strong
magnetism is present, or where there is excessive dust.

2. Notes for repair

1) Before replacing a component part, first disconnect the power supply lead wire from the unit

2) All equipment, measuring instruments and tools must be grounded.

3) The workbench should be covered with a conductive sheet and grounded.
When removing the laser pick-up from its conductive bag, do not place the pick-up on the bag. (This is
because there is the possibility of damage by static electricity.)

4) To prevent AC leakage, the metal part of the soldering iron should be grounded.

5) Workers should be grounded by an armband (1MΩ)

6) Care should be taken not to permit the laser pick-up to come in contact with clothing, in order to prevent
static electricity changes in the clothing to escape from the armband.

7) The laser beam from the pick-up should NEVER be directly facing the eyes or bare skin.

CLEARING MALFUNCTION

You can reset your unit to initial status if malfunction occur(button malfunction, display, etc.).

Using a pointed good conductor(such as driver), simply short the RESET jump wire on the inside of the
volume knob for more than 3 seconds.

If you reset your unit, you must reenter all its settings(stations, clock, timer)

NOTE: 1. To operate the RESET jump wire, pull the volume rotary knob and release it.

2. If you wish to operate the RESET jump wire, it is necessary to unplug the power cord.

- 1-3 -

Armband

Conductive
Sheet

Resistor
(1 Mohm)

Resistor
(1 Mohm)

VOLUME KNOB

UP

DOWN

VOLUME

RESET jump wire

ESD PRECAUTIONS

Electrostatically Sensitive Devices (ESD)

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components
commonly are called Electrostatically Sensitive Devices (ESD). Examples of typical ESD devices are integrated
circuits and some field-effect transistors and semiconductor chip components. The following techniques should
be used to help reduce the incidence of component damage caused by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off
any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a
commercially available discharging wrist strap device, which should be removed for potential shock reasons
prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ESD devices, place the assembly on a conductive

surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ESD devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static" can

generate electrical charges sufficient to damage ESD devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ESD

devices.

6. Do not remove a replacement ESD device from its protective package until immediately before you are ready

to install it. (Most replacement ESD devices are packaged with leads electrically shorted together by
conductive foam, aluminum foil or comparable conductive materials).

7. Immediately before removing the protective material from the leads of a replacement ESD device, touch the

protective material to the chassis or circuit assembly into which the device will by installed.

CAUTION : BE SURE NO POWER IS APPLIED TO THE CHASSIS OR CIRCUIT, AND OBSERVE ALL OTHER

SAFETY PRECAUTIONS.

8. Minimize bodily motions when handing unpackaged replacement ESD devices. (Otherwise harmless motion

such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can
generate static electricity sufficient to damage an ESD device).

CAUTION. GRAPHIC SYMBOLS

THE LIGHTNING FLASH WITH APROWHEAD SYMBOL. WITHIN AN EQUILATERAL TRIANGLE, IS
INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF UNINSULATED
“DANGEROUS VOLTAGE” THAT MAY BE OF SUFFICIENT MAGNITUDE TO CONSTITUTE A RISK OF
ELECTRIC SHOCK.

THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO ALERT THE
SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY INFORMATION IN SERVICE
LITERATURE.

- 1-4 -

SPECIFICATIONS

- 1-5 -

NOTE : Specification are subject to change without notice in the course of product improvement.

SECTION MODEL FFH-164, 165

General Power supply Refer to the back panel of the unit

Power consumption 20W

Mass 3.44kg

Extemal dimensions(W X H X D) 161

X 249 X 271mm

CD Frequency Response 40-18000Hz

Signal-to-noise ratio 60dB

Dynamic range 60dB

Tuning Range 87.5-108.0MHz or 65-74MHz, 87.5-108.0MHz

Intermediate Frequency 10.7 MHz

FM Signal-to-noise ratio 60/55dB

Frequency Response 60-10000Hz

Tuning Range 522-1611kHz or 530-1610kHz

AM Intermediate Frequency 450kHz

Signal-to-noise ratio 35dB

Frequency Response 100 -1800 Hz

AMP Output Power 5W + 5W

T.H.D 0.3%

Frequency Response 42-25000Hz

Signal-to-noise ratio 60dB

TAPE Tape Speed 3000 Hz

Wow Flutter 0.25% (MTT-111,JIS-WTD)

F.F/REW Time 120sec(C-60)

Frequency Response 250-8000Hz

Signal-to-noise ratio 43dB

Channel Separation 50dB(P/B)/45dB(R/P)

Erase Ratio 55dB (MTT-5511)

Speaker MODEL FE-164E 165E

Type 1 way 1 speaker

Impedance 4Ω

Frequency Response 80-20000Hz

Sound Pressure Level 86dB/W(1m)

Rated Input Power 5W

Max.Input Power 10W

Net Dimension(W X H X D) 150 X 255 X 175mm

Net Weight 1.52kg

TUNER

- 1-6 -

MEMO

- 2-1 -

TAPE DECK ADJUSTMENT

1. AZIMUTH ADJUSTMENT

Figure 1. Azimuth Adjustment Connection Diagram

CH1 CH2

Speaker Out

Playback Mode

Head

Test Tape
MTT-114

L ch

R ch

GND

Dual-trace
synchroscope

Electronic
Voltmeter

L out

R out

Unit

SECTION 2. ELECTRICAL

ADJUSTMENTS

This set has been aligned at the factory and normally will not require further adjustment. As a result, it is not
recommended that any attempt is made to modificate any circuit. If any parts are replaced or if anyone tampers
with the adjustment, realignment may be necessary.

IMPORTANT

1. Check Power-source voltage.

2. Set the function switch to band being aligned.

3. Turn volume control to minimum unless otherwise noted.

4. Connect low side of signal source and output indicator to chassis ground unless otherwise specified.

5. Keep the signal input as low as possible to avoid AGC and AC action.

Deck Mode Test Tape Test Point Adjustment Adjust for

Palyback MTT-114 Speaker Out

DECK Screw

Maximum

Azimuth Screw

2. TUNER ADJUSTMENT

Figure 2. Tuner(S curve) Adjustment Connection Diagram

Unit

Signal Generator

GND

Electronic
OSCILLOSCOPE

FM Antenna
Terminal

Speaker

Item Test Point Adjustment Adjust for

DC Voltage Check Point TP1, TP2 L4 0V±50mV

(FM)

- 2-2 -

TROUBLESHOOTING

Turn power on.

Is power on?

Does initial read work?

Does it play?

Does it output audio?

Check power supply circuit.
PN508 PIN 8, 6.2V
PN508 PIN 7, 5V
IC503 PIN 2, 3.3V

Check the connector

PN502, PN503, PN507

Check the tracking servo circuit.

Check the PN508 PIN1, 3

OK

YES

YES

YES

YES

YES

YES

YES

YES

NO

NONO

Check the DISK turns

Check the Laser

Check the focus circuit

Check the TRAKING circuit

NO

NO

- 2-3 -

Fails to initial read

A

B

2V

5V

0V

5V

0V

1V

2V

1.2V

0V

0.8V

NO NO

NO

NO

NO

NO

NO

NO

YES

YES

YES

YES

YES

YES

YES

YES

YES

YES

YES

YES

Disc motor turns

Does RF waveform appear?

IC501 Pin3

Check the Data transmission from

PN507 pin8 to CD DSP

Check the Data transmission from

PN507 pin6 to MICOM

Check the change of SLDO

Voltage(IC501 pin23)

Check the change of SL +,

SL - Voltage

(IC502 pin 18, 19)

Check the Voltage change of PN 507

pin2(OPEN, CLOSE)

Defective connector

PN507

Defective connector

PN507 Defective

MICOM

Defective connector

PN507 Defective

IC501

Defective IC501

Defective IC502

Defective contact PN503

Defective PICK-UP

Does laser light?

focus coil drive wareform.

TRACKING ERROR wareform

Is rotation normal?

Defective IC501

Defective PICK-UP

IS there no dropout of RF signal?

Does FA+ waveform appear at

IC502 pin13?

Does TE waveform appear at

501 pin 15?

- 2-4 -

NO

NO

NO

NO

NO

NO

Laser does not light.

Is “3.5V” applied to pin of IC 501?

Is power supplied to laser Q501?

(Q 501 collector: about 1.8V)

Does laser current flow?

1.0V across R507

Is data transferred from
MICOM IC ?

Does voltage appear at IC
502 pin , ?

Defective MICOM.

Defective MICOM.

Defective connector.

Defective IC 501, 502

Defective slide motor and/or
connector.

Defective LMT SW and/or
connector.

Defective Q 501 and/or laser.

Defective laser and/or
connector.

Did pickup return to

innermost circular?

Does it stop at inner pick
circular after shift?

Is defect output from LM
SW applied to pin of
PN503?

R507»1.0V

R507«1.0V

YES

YES

YES

YES

OPEN

CLOSE

YES

YES

YES

YES

YES

YES

70

17

18

5

- 2-5 -

B

NO

NO

NO

NO

NO

YES

YES

YES

YES

Laser lights

Does lens move up/down?

Check the signal of

FOCUS SEARCH

(IC501 Pin 21)

Chekc the signal of PN502

pin 13, 14

Does FE signal appear?

(IC501 pin 13)

Does DRF signal appear? (IC 501 pin67)

Defective IC501

Defective IC502

Open activator and/or connector

Defective IC501

Degraded laser diode

Defective PICK-UP

- 2-6 -

(CH1)

(CH2)

WAVEFORMS OF MAJOR CHECK POINT

1. HF signal (RF signal ) waveform
(IC501 pin 3) during normal play

2. EFM signal (IC501 pin 3)waveform
during Normal Play

3. Focus coil drive waveform(IC502 pin13)

• When focus search failed or there is no disc on the tray

• Focus coil drive waveform(FDO: IC501 pin21) and
DRF(IC501 pin67) when focus search is accomplished

4. Tracking coil drive waveform and TE during track
traverse
(1) When time division is 20mS/Div.1V/Div.

(2) When time division 1mS/Div, 1V/Div

(During forward track traverse)

(3) When time division is 0.5nS/div.

(During backward Track Traverse)

5. Feed motor drive waveform(IC 502 pin18)
During normal play

CH1 : FOCUS COIL DRIVE

SIGNAL 2V/Div.

CH2 : DRF

CH1 : TRACKING COIL DRIVE

SIGNAL 2V/Div. (IC502 pin27)

CH2 : TRACKING ERROR(TE: IC501 pin15)

1V/Div.

(

(

(

CH2 : TRACKING COIL DRIVE (IC502 pin27)

SIGNAL 2V/Div.

CH2 : TRACKING ERROR (TE: IC501 pin15)

1V/Div.

(

CH1 : TRACKING COIL DRIVE (IC502 pin27)

CH2 : TRACKING ERROR (TE: IC501 pin15)

(

0.5V/Div.
500nS/Div.

(

1S/Div.
1V/Div.

(

1mS/Div.
1V/Div.

(

0.5V/Div.
5µS/Div.

(

2S/Div.

0.5V/Div.

OV

OV

OV
(CH1)

(CH2)

(CH1)

(CH2)

(CH2)

OV

OV

OV

OV

OV

OV

OV

OV

OV

- 2-7 -

P-SENS PART

Does +5V appear at

ZD205(+)?

Check the pattern of

IC601 Pin .

Check the waveform

of D212 (+).

Check the and

replace ZD205.

Replace the D212

YES

YES

NO

NO

26

Power Circuit

Check the Fuse

Check the DC output

of C299(+)

Check the DC 12V

Output of IC204

Check the DC 6.2V

output of IC202

Check the DC 12V

Output of IC203

Check the 5.0V of Q207 “C”

(CD FUNCTION)

END

Replace the Fuse

Check the AC output of H202 pin 1, 4

Check the AC output of

H202 pin 1, 4

Replace the Q203

Replace the D208, D209,

D210, D211

Check or Replace the

D208,D209, D210, D211.

Check or Replace the

D203, D205

Check the “High” of

Q202 “B”

Check the “High” of Q208

Replace the Q207

Replace the Transformer

Replace the Transformer

Check the “High” of

CN203 Pin 11

Check the “High” of

CN203 Pin 8

YES

YES

YES

YES

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

NO

NO

NO

NO

- 2-8 -

Muting circuit (MUTE)

Dose “High” appear at

Q301, Q351“B”

check the “Low” of Q301,

Q351 “C”

MUTE

Check the “High” of CN203 PIN 12

Check the “High” of the IC601 Pin9

Replace the TR.

YES

YES

NO

NO

Audio abnormal

Check the output of

IC301 Pin8, 12

Check the connecting to

SPEAKER

Check the “High” of IC301 pin5

Check the input terminal of

Function

OK

Check the input of

IC301 Pin2, 4

Check the DC10V of IC201

pin24

Check the DC 12V Output of

IC204

Check the power

YES

YES

YES

YES

NO

NO

NO

NO

- 2-9 -

FUNCTION MODE Audio abnormal

TAPE

Check the signal input of IC201 pin 3, 24

Refer to “IC100 Troubleshooting”

AUX

Chekc the signal input of IC201, pin 2, 5

Check the signal input of JK201

Check the signal input of IC201 pin 7, 28

Check the signal of PN201 pin 6, 8 or

Refer to “CD Troubleshooting”

Check the signal input of IC201 pin 1, 6

Refer to “IC1 Troubleshooting”

CD

Tuner

- 2-10 -

Refer to “IC601

Troubleshooting”

IC601 Troubleshooting

IC201 Troubleshooting

Check the power supplying IC601 Pin 17, 54, 80, 90?

Refer to “Power Circuit Troubleshooting”

Check the P-SENS

Replace the X602

Check the RESET circuit

Refer to “Power Circuit Troubleshooting”

Check the Data of IC601 Pin 3, 4

(CD ➞ TAPE FUNCTION)

Replace the

IC201

Check the pattern

of (IC601 & IC201)

Check the P-SENS “High” of IC601 pin 26

Check the oscillation of X602

When power supplying to IC601 pin11.

(Low ➞ High)

Replace the IC601

Check the power supplying to IC201 pin24

Check the CLK Data of IC201 pin 21, 22

Check the CONTROLL function

END

YES

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

NO

- 2-11 -

FM (TUN1)

Check the +12V input of TUN1 B+ 6

Check the “High” Voltage of TUN1 VT 5

Check the OSC waveform of TUN1 Pin 8

Refer to “IC1 Troubleshooting”

Check the 12V of Q2 “E”

Refer to “Power

Circuit Trouble-

shooting”

Check the “LOW” of IC2 Pin 7

Refer to “IC2

Troubleshooting”

Replace the Q2

Replace the TUN1

Replace the TUN1

YES

YES

YES

YES

YES

NO

NO

IC1 Troubleshooting

Check the power supplying to pin8

Check the waveform of Pin 20, 21

Check the waveform output of Pin 16, 17

END

Refer to “Power Circuit

Troubleshooting”

Check the FM(TUN1) & AM(L2)

Replace the IC1

Replace the IC2

Check the “Low” of Pin 13

Refer to “IC2

Troubleshooting”

YES

YES

YES

YES

NO

NO

NO

NO

NO

- 2-12 -

IC2 Troubleshooting

Check the power supplying to pin 17

Check the oscillation of X1

Check the clock of CE, DI, DO, CLK

Is the normal ?

END

Refer to “Power Circuit

Troubleshooting”

Replace the X1

Check the line or refer to “IC2
Troubleshooting”

CE: Chip Enable

DI: Data Input(from u-com)

DO: Data Output(to u-com)

CLK: Tuner mode clock

Replace the IC2

YES

YES

YES

YES

NO

NO

NO

NO

AM•COIL Troubleshooting

Check the “High” of L2 Pin 2

Refer to “IC2 Troubleshooting”

Replace the L2

Check the oscillation of L2 Pin 13

Refer to “IC1 Troubleshooting”

YES

YES

NO

NO

Play

Check the VCC supplying to IC100 pin 4

Refer to “Power Circuit Troubleshooting”

Check the Deck Mecha

Replace the Deck

Mecha.

Replace the IC100

Check the signal output of IC100 pin 3, 6

Check the “LOW” of Q100, 150, “B”

YES

YES

YES

NO

NO

NO

- 2-13 -

REC

Check signal supplied to IC101 pin 2, 8 ?

Check the output of IC101 Pin3, 7

Check the “High” of IC101 pin 6

Check the power or Refer to “IC101

Troubleshooting”

Check the power

supplying to C138(+)

Check the oscillation of

Q103, “E”

Check the 0.6V of

Q103 “B”

END

Check the Vcc power of IC101 Pin6

Check the oscillation of L100 pin 1, 3

Replace the DECK

Check the “Low” of Q109,

Q159 “B”

Replace the Q109, Q159

Refer to “IC101

Troubleshooting”

Refer to “Power Circuit

Troubleshooting”

Check the 1.0V of

R130

Check the L100

YES

YES

YES

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

NO

NO

- 2-14 -

MEMO

2-15 2-16

BLOCK DIAGRAM

SCHEMATIC DIAGRAMS

• MAIN SCHEMATIC DIAGRAM

2-17 2-18

NOTE:

1. Shaded(■) parts are critical for safety.Replace only

with specified part number.

2. Voltages are DC-measured with a digital voltmefer
during Play mode.

NOTE: Warning

Parts that are shaded are critical With respect
to risk of fire or electrical shock.

2-19 2-20

TUNER/DECK SCHEMATIC DIAGRAM

• FRONT SCHEMATIC DIAGRAM

2-21 2-22

• CDP SCHEMATIC DIAGRAM

2-23 2-24

WIRING DIAGRAM

2-25 2-26

NOTE: Warning

Parts that are shaded are critical With respect
to risk of fire or electrical shock.

PRINTED CIRCUIT DIAGRAMS

• MAIN/TUNER P.C. BOARD(SOLDER SIDE)

2-27 2-28

• MAIN/TUNER P.C. BOARD(COMPONENT SIDE)

2-29 2-30

• FRONT/POWER P.C. BOARD(SOLDER SIDE)

2-31 2-32

• FRONT/POWER P.C. BOARD(COMPONENT SIDE)

2-33 2-34

- 2-35 -

• CD MAIN P.C. BOARD (SOLDER SIDE)

- 2-36 -

• CD MAIN P.C. BOARD (COMPONENT SIDE)

- 2-37 -

INTERNAL BLOCK DIAGRAM OF ICs

■ BU1923/BU1923F

RDS/RBDS decoder















 





- 2-38 -

■ BA3308

Dual preamplifier with ALC

■ KA78R33

Low Dropout Voltage Regulator

- 2-39 -

■ LA1837

Single-Chip Home Stereo IC with Electronic Tuning Support

■ LC72131, 72131M

AM/FM PLL Frequency Synthesizer

B01 B02 B03 B04 I01 I02

XIN

PD

AIN

AOUT

IFIN

XOUT

FMIN

AMIN

CE

DI

CL

D0

VDD

VSS

REFERENCE
DIVIDER

PHASE DETECTOR
CHARGE PUMP

UNLOCK
DETECTOR

UNIVERSAL
COUNTER

DATA SHIFT REGISTER

LATCH

12bits PROGRAMMABLE

DIVIDER

SWALLOW COUNTER

1/16. 1/17 4bits

POWER

ON

RESET

CCB

I/F

1

2

- 2-40 -

■ TDA7440D

DIGITALLY CONTROLLED AUDIO PROCESSOR

L-IN1

100K

100K

100K

100K

100K

100K

100K

100K

48918

27

21
22

20

26

24
25

LOUT

SCL
SDA

DIG_GND

ROUT

V

S

AGND

RB

RB

14 15

10 11 19 12 13 23

5

G

G

6

7

3

2

INPUT MULTIPLEXER

+GAIN

MUXOUTR INR TREBLE(R) BIN(R) BOUT(R) CREF D98AU883

0/30dB

2dB STEP

MUXOUTL

VOLUME TREBLE

I CBUS DECODER + LATCHES

BASS

SPKR ATT

LEFT

VOLUME TREBLE BASS

SUPPLY

V

REF

SPKR ATT

RIGHT

INL TREBLE(L) BOUT(L)BIN(L)

1

28

L-IN2

L-IN3

L-IN4

R-IN1

R-IN2

R-IN3

R-IN4

2

L_IN3

L_IN4

MUXOUTL

IN(L)

MUXOUT(R)

BIN(R)

IN(R)

BOUT(R)

BIN(L)

1

3

2

4

5

6

7

8

9

BOUT(L)

N.C.

N.C.

TREBLE(R)

TREBLE(L)

SCL

SDA

DIG-GND

CREF23

22

21

20

19

17

18

16

15

D98AU884

10

11

12

13

14

28

27

26

25

24

R_IN3

R_IN2

R_IN1

L_IN1

L_IN2 V

S

AGND

ROUT

LOUT

R_IN4

• PIN CONNECTION(TOP VIEW)

- 2-41 -

■ FAN8039BD3

5-CH Motor Driver

NO Symbol Description NO Symbol Description

1DO1-CH1 Drive Output (-) 15 GND2 Power Ground1 (CH 2,3,5)

2DO1+CH1 Drive Output (+) 16 DO5+ CH5 Drive Output (+)

3IN1 CH1 Drive Input 17 DO5- CH5 Drive Output(-)

4REGVCC Regulator Supply Voltage 18 DO3- CH3 Drive Output(-)

5REB Regulator Output 19 DO3+ CH3 Drive Output (+)

6REO Regulator Feedback Input 20 IN3 CH3 Drive Input

7RESX Regulator Reset 21 VCC1 Supply Voltage1(CH2,CH3,CH5)

8GND1 Signal Ground 22 PS Power Save

9CTL CH5 Motor Speed Control 23 VREF Bias Voltage

10 FWD CH5 Forward Input 24 VCC Supply Voltage(CH1,CH4)

11 REV CH5 Reverse Input 25 IN4 CH4 Drive Input

12 IN2 CH2 Drive Input 26 DO4+ CH4 Drive Output (+)

13 DO2+ CH2 Drive Output (+) 27 DO4- CH4 Drive Output (-)

14 DO2- CH2 Drive Output (-) 28 GND3 Power Ground2 (CH 1,4)

• PIN Definitions

- 2-42 -

■ KIA6225P/S

BIPOLAR LINEAR INTEGRATED CIRCUIT

3-1 3-2

SECTION 3. EXPLODED VIEWS

• CABINET AND MAIN FRAME SECTION

A43

263

A46

290

262

266

287

301

351

A47

265

281

275

274

A41

A00

276

286

284

278

277

260

250

272

302

303

305

A26

NOTE) Refer to “SECTION 5 REPLACEMENT

PARTS LIST” in order to look for the
part number of each part.

• TAPE DECK MECHANISM: AUTO STOP DECK

3-3 3-4

04

07

011

018

014

022

026

028

036

038

038

032

01

LOCA.NO. PART NO DESCRIPTION SPECIFICATION

001 6768R-HV01C DECK MECHANISM PARTS AP-4211(P.C.B) V/WOOD HEAD CS­004 6768R-EV01A DECK MECHANISM PARTS A-13 V/WOOD HEAD ASSY CS-21 SE
007 6768R-RV01A DECK MECHANISM PARTS A-04 V/WOOD ROLLER CS-21 SERIE
011 6768R-UV01D DECK MECHANISM PARTS A-15 V/WOOD UNIT CS-21 SERIES
014 6768R-GV01B DECK MECHANISM PARTS A-07-3 V/WOOD GEAR CS-21 SERIE
018 6768R-GV01A DECK MECHANISM PARTS A-06 V/WOOD GEAR CS-21 SERIES
022 6768R-UV01A DECK MECHANISM PARTS A-01A V/WOOD UNIT CS-21 SERIES
026 6768R-UV01B DECK MECHANISM PARTS A-12 V/WOOD UNIT CS-21 SERIES
028 6768R-AV01A DECK MECHANISM PARTS A-09 V/WOOD ARM CS-21 SERIES R
032 6768R-QV01A DECK MECHANISM PARTS A-12 V/WOOD MOTOR(ASSY) CS-21
036 6768R-JV01B DECK MECHANISM PARTS A-11(A) V/WOOD PULLEY/FLYWHEEL
038 6768R-BV01B DECK MECHANISM PARTS A-14A V/WOOD BELT/FELT CS-21 S

- 4-1 -

SECTION 4. SPEAKER SECTION

MODEL: FE-164E

FE-165E

855

854

859

856

857

852

850

LOCA.NO. PART NO. DESCRIPTON SPECIFICATION REMARKS

850 3701RM0026A NET ASSEMBLY FE-165E ,(PILOT)

852 3720RMF034A PANEL,FRONT FE-165E STANDARD (WHITE PEARL)

854 6400FTTE01A SPEAKER,FULLRANGE F40C-D300 TOPTONE FULL-RANGE(H

855 4766RM0014A FELT FE-195E BLACK WOOFER

856 3091RMW035A CABINET ASSEMBLY FE-165E CABINET ASSY PB 9T

857 6852SCK004A CORD FE-M100E , 0.16 * 18/2C (CORD

859 353M050C SCREW BH 3.5X16 FBK

RUN DATE : 11.SEPTEMBER.2002

- 4-2 -

MEMO