Sony TA-P9000ES - Amplifier Manuale utente

MICROFILM

SERVICE MANUAL

MULTICHANNEL PRE AMPLIFIER

USModel

CanadianModel

AEP Model

TA-P9000ES

SPECIFICATIONS

Photo: gold type

– 2 –

TABLE OF CONTENTS

1. SERVICING NOTES............................................... 3

2. GENERAL ................................................................... 4

3. DISASSEMBLY ......................................................... 5

4. DIAGRAMS

4-1. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 7

4-2. Printed Wiring Boards

– MAIN Board/SUB VOLUME Board/

MASTER VOLUME Board –................................... 9

4-3. Schematic Diagram

– MAIN Board (1/2)/SUB VOLUME Board/

MASTER VOLUME Board –................................... 11

4-4. Schematic Diagram – MAIN Board (2/2) – .................. 13

4-5. Printed Wiring Boards – PANEL Section – .................. 15

4-6. Schematic Diagram – PANEL Section –....................... 17

4-7. Printed Wiring Boards – POWER Section – ................. 19

4-8. Schematic Diagram – POWER Section – ..................... 21

4-9. IC Pin Function Description ........................................... 23

5. EXPLODED VIEWS................................................ 24

6. ELECTRICAL PARTS LIST ............................... 27

ATTENTION AU COMPOSANT AYANT RAPPORT

À LA SÉCURITÉ!

LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE !

SUR LES DIAGRAMMES SCHÉMATIQUES ET LA LISTE

DES PIÈCES SONT CRITIQUES POUR LA SÉCURITÉ

DE FONCTIONNEMENT. NE REMPLACER CES COM-

POSANTS QUE PAR DES PIÈCES SONY DONT LES

NUMÉROS SONT DONNÉS DANS CE MANUEL OU

DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.

SAFETY-RELATED COMPONENT WARNING!!

COMPONENTS IDENTIFIED BY MARK !OR DOTTED

LINE WITH MARK !ON THE SCHEMATIC DIAGRAMS

AND IN THE PARTS LIST ARE CRITICAL TO SAFE

OPERATION. REPLACE THESE COMPONENTS WITH

SONY PARTS WHOSE PART NUMBERS APPEAR AS

SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-

LISHED BY SONY.

– 3 –

SECTION 1

SERVICING NOTES

MODEL IDENTIFICATION

– Specification Label –

SAFETY CHECK-OUT

After correcting the original service problem, perform the follow-

ing safety check before releasing the set to the customer:

Check the antenna terminals, metal trim, “metallized” knobs,

screws, and all other exposed metal parts for AC leakage.

Check leakage as described below.

LEAKAGE TEST

TheAC leakage from any exposed metal part to earth ground and

from all exposed metal parts to any exposed metal part having a

return to chassis, must not exceed 0.5 mA (500 microampers.).

Leakage current can be measured by any one of three methods.

1. A commercial leakage tester, such as the Simpson 229 or RCA

WT-540A. Follow the manufacturers’instructions to use these

instruments.

2. A battery-operatedAC milliammeter. The Data Precision 245

digital multimeter is suitable for this job.

3. Measuring the voltage drop across a resistor by means of a

VOM or battery-operated AC voltmeter. The “limit” indica-

tion is 0.75 V, so analog meters must have an accurate low-

voltage scale. The Simpson 250 and Sanwa SH-63Trd are ex-

amples of a passive VOM that is suitable. Nearly all battery

operated digital multimeters that have a 2VAC range are suit-

able. (See Fig. A)

Fig. A. Using an AC voltmeter to check AC leakage.

1.5 k

Ω

0.15

FAC

voltmeter

(0.75 V)

To Exposed Metal

Parts on Set

Earth Ground

Notes on chip component replacement

• Never reuse a disconnected chip component.

• Notice that the minus side of a tantalum capacitor may be dam-

aged by heat.

MODEL NO.

TA-P9000ES

MULTI CHANNEL PRE AMPLIFIER

SERIAL NO.

MADE IN JAPAN

US, Canadian models : AC 120V 60Hz 20W

AEP model : AC 220 - 230V 50/60Hz 20W

– 4 –

SECTION 2

GENERAL This section is extracted from

instruction manual.

– 5 –

Remove ten connectors.

CN4, 101, 103, 114, 116,

117, 122, 124, 138, 142

four screws

(BV3

8 CU)

front bracket

section

LED board

screw

(BV3

8 CU)

three screws

(BV3

8 CU)

front panel section

two screws

(BV3

8 CU)

three screws

(BV3

8 CU)

CASE

FRONT PANEL SECTION

Note: Follow the disassembly procedure in the numerical order given.

SECTION 3

DISASSEMBLY

two flat head screws

case

two screws

(BV3

8 CU)

two flat head screws

– 6 –

MAIN BOARD

three screws

(BV3

8 CU)

seven screws

(BV3

8 CU)

Remove the MAIN board

in direction of arrow

two screws

(BV3

8 CU)

Remove ten connectors.

CN101, 103, 114, 116, 117

124, 129, 138, 139, 142

– 7 –

SECTION 4

DIAGRAMS

Note on Printed Wiring Board:

•X: parts extracted from the component side.

•b: Pattern from the side which enables seeing.

(The other layers' patterns are not indicated.)

•Indication of transistor.

4-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

These are omitted.

BThese are omitted.

Note on Schematic Diagram:

• All capacitors are in µF unless otherwise noted. pF: µµF

50 WV or less are not indicated except for electrolytics

and tantalums.

• All resistors are in Ωand 1/4W or less unless otherwise

specified.

•¢: internal component.

•5: fusible resistor.

•C: panel designation.

•U: B+ Line.

•V: B– Line.

• Voltages and waveforms are dc with respect to ground

under no-signal conditions.

• Voltages aretakenwithaVOM (Input impedance10MΩ).

Voltage variations may be noted due to normal produc-

tion tolerances.

• Waveforms are taken with a oscilloscope.

Voltage variations may be noted due to normal produc-

tion tolerances.

• Circled numbers refer to waveforms.

• Signal path.

F: AUDIO

Note:

The components identi-

fied by mark !or dotted

linewithmark !are criti-

cal for safety.

Replace only with part

number specified.

Note:

Lescomposantsidentifiés par

une marque !sont critiques

pour la sécurité.

Ne les remplacer que par une

piéce portant le numéro

spécifié.

– 8 –

• Circuit Boards Location

Ref. No. LocationRef. No. Location

• Semiconductor Location

D201 E-9

D203 F-9

D204 E-10

D205 F-10

D206 F-10

D251 E-8

D253 E-8

D254 E-8

D255 F-8

D256 F-8

D301 E-6

D303 E-6

D304 E-6

D305 F-7

D306 F-7

D307 C-7

D308 C-7

D351 F-3

D353 F-3

D354 E-3

D355 F-3

D356 F-3

D401 E-5

D403 E-4

D404 E-5

D405 F-5

D406 F-5

D407 C-5

D408 C-5

D451 F-1

D453 F-1

D454 E-1

D455 F-2

D456 F-2

D457 C-1

D458 C-2

D501 B-7

D502 B-9

D503 B-10

D504 C-3

D505 C-8

D603 H-11

D604 H-8

D605 I-7

IC601 G-5

IC602 H-5

Q201 D-10

Q202 E-10

Q203 D-9

Q204 E-9

Q205 E-10

Q206 E-10

Q207 F-10

Q208 F-10

Q209 F-9

Q210 F-10

Q211 F-9

Q251 D-8

Q252 E-8

Q253 D-8

Q254 E-8

Q255 E-8

Q256 E-8

Q257 F-8

Q258 F-8

Q259 F-8

Q260 F-8

Q261 F-8

Q301 D-6

Q302 E-6

Q303 D-6

Q304 E-6

Q305 E-7

Q306 E-7

Q307 F-6

Q308 F-7

Q309 F-6

Q310 F-7

Q311 F-6

Q351 D-3

Q352 E-3

Q353 D-3

Q354 E-3

Q355 E-3

Q356 E-4

Q357 F-3

Q358 F-3

Q359 F-3

Q360 F-3

Q361 F-3

Q401 D-5

Q402 E-5

Q403 D-4

Q404 E-4

Q405 E-5

Q406 E-5

Q407 F-5

Q408 F-5

Q409 F-5

Q410 F-5

Q411 F-5

Q451 D-1

Q452 E-1

Q453 D-1

Q454 D-1

Q455 E-2

Q456 E-2

Q457 F-1

Q458 F-2

Q459 F-1

Q460 F-2

Q461 F-1

Q501 H-3

Q502 I-3

Q503 H-3

Q504 I-3

Q505 H-3

Q506 I-3

Q507 H-4

Q508 I-4

Q509 H-1

Q510 I-1

Q512 H-1

Q513 I-1

Q514 H-1

Q515 I-2

Q516 H-2

Q517 I-2

Q518 H-2

Q519 I-2

Q520 H-2

Q521 I-3

Q601 H-10

Q602 H-10

Q603 G-10

Q604 H-9

Q605 H-9

Q606 G-9

Q607 H-10

Q608 H-9

Q609 H-10

Q610 H-9

Ref. No. Location Ref. No. Location

EYEBALL board

CONTROL board

SUB VOLUME board

MUT board VOL LED board

MASTER VOLUME boar

MAIN board

AC board

POWER board

LED board

AC SW board

TA-P9000ES

– 9 – – 10 –

4-2. PRINTED WIRING BOARDS – MAIN Board/SUB VOLUME Board/MASTER VOLUME Board – • See page 8 for Circuit Boards Location.

(Page 10) (Page 10)

(Page 10)

(Page 9)

(Page 9) (Page 9)

(Page 15)

(Page 19)(Page 20)(Page 15)(Page 15)(Page 16)

(Page

10)

TA-P9000ES

– 11 – – 12 –

4-3. SCHEMATIC DIAGRAM – MAIN Board (1/2)/SUBVOLUME Board/MASTERVOLUME Board –

(Page 17)

(Page 21)

(Page 18)

(Page 21)

(Page

17)

(Page

13)

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