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PU-2354A

To engineers in charge of repair or
inspection of our products.

Before repair or inspection, make sure to follow
the instructions so that customers and Engineers
in charge of repair or inspection can avoid suf-
fering any risk or injury.

1. Use specified parts.

The system uses parts with special safety features against
fire and voltage. Use only parts with equivalent charac-
teristics when replacing them.
The use of unspecified parts shall be regarded as re-
modeling for which we shall not be liable. The onus of
product liability (PL) shall not be our responsibility in cases
where an accident or failure is as a result of unspecified
parts being used.

2. Place the parts and wiring back in their original positions

after replacement or re-wiring.
For proper circuit construction, use of insulation tubes,
bonding, gaps to PWB, etc, is involved. The wiring con-
nection and routing to the PWB are specially planned
using clamps to keep away from heated and high voltage
parts. Ensure that they are placed back in their original
positions after repair or inspection.
If extended damage is caused due to negligence during
repair, the legal responsibility shall be with the repairing
company.

3. Check for safety after repair.

Check that the screws, parts and wires are put back se-
curely in their original position after repair. Ensure for
safety reasons there is no possibility of secondary
ploblems around the repaired spots.
If extended damage is caused due to negligence of re-
pair, the legal responsibility shall be with the repairing
company.

4. Caution in removal and making wiring connection to the

parts for the automobile.
Disconnect the battery terminal after turning the ignition
key off. If wrong wiring connections are made with the
battery connected, a short circuit and/or fire may occur.
If extensive damage is caused due to negligence of re-
pair, the legal responsibility shall be with the repairing
company.

5. Cautions regarding chips.

Do not reuse removed chips even when no abnormality
is observed in their appearance. Always replace them
with new ones. (The chip parts include resistors, capaci-
tors, diodes, transistors, etc). The negative pole of tanta-
lum capacitors is highly susceptible to heat, so use spe-
cial care when replacing them and check the operation
afterwards.

6. Cautions in handling flexible PWB

Before working with a soldering iron, make sure that the
iron tip temperature is around 270

. Take care not to

apply the iron tip repeatedly(more than three times)to the
same patterns. Also take care not to apply the tip with
force.

7. Turn the unit OFF during disassembly and parts replace-

ment. Recheck all work before you apply power to the
unit.

8. Cautions in checking that the optical pickup lights up.

The laser is focused on the disc reflection surface through

the lens of the optical pickup. When checking that the
laser optical diode lights up, keep your eyes more than
30cms away from the lens. Prolonged viewing of the la-
ser within 30cms may damage your eyesight.

9. Cautions in handling the optical pickup

The laser diode of the optical pickup can be damaged by
electrostatic charge caused by your clothes and body.
Make sure to avoid electrostatic charges on your clothes
or body, or discharge static electricity before handling the
optical pickup.

9-1. Laser diode

The laser diode terminals are shorted for transpor-
tation in order to prevent electrostatic damage.
After replacement, open the shorted circuit. When
removing the pickup from the mechanism, short
the terminals by soldering them to prevent this
damage.

9-2. Actuator

The actuator has a powerful magnetic circuit. If a
magnetic material is put close to it. Its characteris-
tics will change. Ensure that no foreign substances
enter through the ventilation slots in the cover.

9-3. Cleaning the lens

Dust on the optical lens affects performance. To
clean the lens, apply a small amount of isopropyl
alcohol to lens paper and wipe the lens gently.

CAUTIONS

Use of controls,adjustment,or performance of procedures
other than those specified herein,may result in hazardous
radiation exposure.
The compact disc player should not be adjusted or repaired
by anyone except properly qualified service personnel.

COMPUTER ANTI-THEFT SYSTEM

This unit has a built-in Computer Anti-theft System(CATS).
RELEASE the CATS
1. Turn power on.Then "SAFE" is indicated for 3

second.And then it change to indicate "1000".

2. Input code by M1 to M4 preset buttons.After selected

code,press SEEK up or SCAN button more than 2
second.Then beep sound is made.And then a unit work.

3. If wrong code is inputed 2 times,a unit will be lock by a

unit changes code input mode,it waits with power supply
for about 1 hour.

4. After lock 1 hour with power supply,it will be changed

code input mode.When wrong code is inputed twice, a
unit will be lock mode.

Содержание 3B7 035 180B

Страница 1: ...ore than 40dB Cross talk More than 40dB S N ratio Normal tape 120 s 45dB 54dB DOLBY B NR ON Metal tape 70 s 47dB 56dB DOLBY B NR ON FF REW time Less than 120sec C 60 CD section Disc 12cm 8cm Disc Sepa...

Страница 2: ...n handling flexible PWB Before working with a soldering iron make sure that the iron tip temperature is around 270 Take care not to apply the iron tip repeatedly more than three times to the same patt...

Страница 3: ...3 PU 2354A BLOCK DIAGRAM...

Страница 4: ...l signal processor pin 48 CD AC D O O The serial data output to the CD auto changer pin 49 MODE 0 I IN Mode select input pin 50 MODE 1 I IN Mode select input pin 51 MODE 2 I IN Mode select input pin 5...

Страница 5: ...ta output to EEP ROM pin 61 EEP CK O The clock pulse output to EEP ROM pin 62 EEP CEO O The chip enable signal output to EEP ROM pin 63 NU Not in use pin 64 NU Not in use pin 65 NU Not in use pin 66 N...

Страница 6: ...567 07 PLUG 7P 1 19 716 0778 00 WAVE SCREW 12 20 722 0603 00 NUT 5 21 016 4155 00 VARIABLE RESISTOR 5 22 076 0540 08 PLUG 8P 1 23 331 2997 00 VR HOLDER 1 24 076 0570 07 PLUG 7P 1 25 309 0761 01 FRONT...

Страница 7: ...2 23 56 53 55 5 21 20 29 8 9 1 6 7 2 3 4 13 5 15 19 19 14 19 17 16 12 10 11 59 18 60 68 60 60 68 68 68 60 60 32 34 55 53 67 47 44 65 46 62 53 48 53 61 45 42 66 40 39 38 58 37 31 55 33 64 24 35 36 53 4...

Страница 8: ...00 SENSOR PWB SHEET 1 15 802 4910 60 LEAD WIRE RED 1 16 620 0485 20 FRONT PLATE 1 17 620 0488 40 S L LINK PLATE 1 18 620 0489 40 MOTOR PLATE 1 19 802 4904 60 LEAD WIRE RED 1 20 620 0492 20 MOTOR BRACK...

Страница 9: ...ER PLATE 1 13 966 0314 41 STOP LINK ASSY 1 14 966 0448 41 SIDE PLATE ASSY 1 15 621 0252 50 DISC STOPPER 1 16 620 0491 40 SPRING PLATE 1 17 966 0454 40 SCREW H RACK ASSY 1 18 621 0358 50 LS HOLDER F 1...

Страница 10: ...10 PU 2354A Tape mechanism section 930 0800 50 59 57 57 58 58...

Страница 11: ...00 PACK GUIDE 1 23 610 0342 01 HEAD P ROLLER 1 24 610 0343 00 GUIDE A ROLLER 1 25 611 0091 02 FLYWHEEL 2 26 613 0662 00 IDLER GEAR 2 27 613 0286 03 FF REW GEAR 2 28 613 0288 01 HELICAL GEAR 1 29 613 0...

Страница 12: ...3312 55 330pF C350 178 1042 78 0 1 F C351 172 1041 15 0 1 F C352 184 2273 39 16V220 F C353 042 0623 00 16V3300 F C354 183 1053 68 50V1 F C355 172 3341 15 0 33 F C356 172 3341 15 0 33 F C357 172 3341 1...

Страница 13: ...119 1031 15 1 16W 10k R251 119 1031 15 1 16W 10k R252 119 1021 15 1 16W 1k R253 119 1021 15 1 16W 1k R254 119 8221 15 1 16W 8 2k R255 119 6831 15 1 16W 68k R256 119 3321 15 1 16W 3 3k R257 119 8221 15...

Страница 14: ...8 1032 55 0 01 F C703 168 1032 55 0 01 F C704 168 1032 55 0 01 F C705 168 1032 55 0 01 F C706 168 2232 55 0 022 F C707 168 2232 55 0 022 F C708 166 1201 50 12pF CH C709 166 1201 50 12pF CH C710 166 16...

Страница 15: ...ion CD mechanism REF No PART No DESCRIPTION REF No PART No DESCRIPTION REF No PART No DESCRIPTION C1 168 1042 78 16V 0 1 F C2 163 1073 05 4V100 F C3 178 1052 78 1 F C4 178 1052 78 1 F C5 163 1073 05 4...

Страница 16: ...3 67 50V0 47 F C115 183 4753 57 35V4 7 F C116 183 4753 57 35V4 7 F IC101 051 1546 10 BA3430S J101 074 0881 08 8P R101 119 1241 15 1 16W 120k R102 119 1241 15 1 16W 120k R103 119 1241 15 1 16W 120k R10...

Страница 17: ...Main PWB B1 section 17 PU 2354A CIRCUIT DIAGRAM...

Страница 18: ...Connector PWB B2 section 18 PU 2354A...

Страница 19: ...Switch PWB B3 section 19 PU 2354A...

Страница 20: ...AR LEFT B1 NC B2 AUTO CHANGER S GND B3 NC B4 AUTO CHANGER B U B5 NC B6 AUTO CHANGER DO B7 NC B8 AUTO CHANGER L CH B9 AUTO CHANGER R CH B10 AUTO CHANGER CONT B11 AUTO CHANGER DI B12 AUTO CHANGER CLK C1...

Страница 21: ...Switch PWB B3 section 21 PU 2354A GND pattern...

Страница 22: ...CD mechanism B4 to B7 section 22 PU 2354A CIRCUIT DIAGRAM...

Страница 23: ...23 PU 2354A _ M3 LOADING MOTOR SMA 147 100 S2 _ M2 SMA 146 100 SLED MOTOR _ PICKUP UNIT 969 0008 12 S1 WHT BLU RED BLK RED BLK SENSOR PWB B5 CHUCKING SWITCH PWB B6 LIMIT SWITCH PWB B7 BLK BRN YEL RED...

Страница 24: ...U 2354A IC2 NJL5801K SW1 METAL SWITCH SW2 MODE SWITCH TO TAPE HEAD SIDE PWB B8 REAR PWB B9 SPEED VR 1 8 MAIN MOTOR RED RED POWER MOTOR BLU WHT BOTTOM PWB B10 1 8 1 20 R24 SW3 J3 J2 1 8 BLU WHT BLK BLK...

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