Sony TA-N9000ES Bedienungsanleitung

MICROFILM

SERVICE MANUAL

5 CHANNEL POWER AMPLIFIER

USModel

CanadianModel

AEP Model

UK Model

E Model

Australian Model

Chinese Model

TA-N9000ES

SPECIFICATIONS

Photo: GOLD model

– 2 –

TABLE OF CONTENTS

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

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

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

4. ELECTRICAL ADJUSTMENTS......................... 7

5. DIAGRAMS ................................................................. 8

5-1. Note for Printed Wiring Boards and

Schematic Diagrams ....................................................... 9

5-2. Printed Wiring Boards – MAIN Section – .................... 11

5-3. Schematic Diagram – MAIN Section (1/3) –................ 13

5-4. Schematic Diagram – MAIN Section (2/3) –................ 15

5-5. Schematic Diagram – MAIN Section (3/3) –................ 17

5-6. Printed Wiring Boards – CONTROL Section – ............ 19

5-7. Schematic Diagram – CONTROL Section –................. 21

5-8. Printed Wiring Boards – POWER Section – ................. 23

5-9. Schematic Diagram – POWER Section – ..................... 25

5-10. IC Pin Function Description ........................................... 27

6. EXPLODED VIEWS................................................ 28

7. ELECTRICAL PARTS LIST ............................... 30

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

– Rear view –

12345678

234567

12345678

PART No.

MODEL PART No.

US, Canadian models 4-211-114-1π

Except US, Canadian models 4-211-114-2π

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.

– 4 –

SECTION 2

GENERAL This section is extracted from

instruction manual.

– 5 –

CASE

FRONT PANEL SECTION

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

SECTION 3

DISASSEMBLY

two screws

(BV3 x 8B)

two flat head screw

two flat head screws

case

front panel section

three screws

(BV3

8B)

four connectors

(CN152, 153, 154, 155)

Unlock each claw of the saddle wire.

– 6 –

BOTTOM PLATE, BACK PANEL SECTION

MAIN BOARD

two screws

(BV3

8B)

two screws

(P4

connector

(CN809)

connector

(CN812)

connector

(CN808)

two screws

(B4

16)

two foot assy’s

six screws

(BV3

8B)

two screws

(BV3

8B)

two screws

(B4

16)

two foot assy’s

bottom plate

two connectors

(CN201, 205)

seven connectors

(CN152, 153, 154,

155, 156, 157, 158)

two screws

(BV3

8B)

two screws

(BV3

8B)

two screws

(K3

Unlock each claw of

the saddle wire.

back panel

section

six connectors

(CN101, 201, 202, 203, 204, 205)

ten screws

(BV3

8B)

MAIN board

bracket

two screws

(BV3

8B)

seven screws

(BV3

8B)

screw

(BV3

8B)

lug

– 7 –

DC BIAS CURRENT Adjustment

(with no signal input)

After replacing the power transistors, DC BIAS CURRENT ad-

justments should be perfomed.

Setting:

SPEAKER IMPEDANCE switch (S801): 8 ΩMIN (NORMAL

USE)

Procedure: Connecting Adjustment Reading on

point part the tester

FRONT Lch CN601 RV601 11 ±1 mA

FRONT Rch CN701 RV701 11 ±1 mA

CENTER CN501 RV501 11 ±1 mA

REAR Lch CN301 RV301 11 ±1 mA

REAR Rch CN401 RV401 11 ±1 mA

SECTION 4

ELECTRICAL ADJUSTMENTS

Tester

–

MAIN BOARD

(CN301, 401, 501,

601, 701)

Note: After adjustment, check five connecting points.

Adjustment Location:

RV601

CN601

2CN401

CN301

REAR Lch

RV401

RV501

FRONT Lch

CN701

CN501

RV701

RV301

CENTER

FRONT Rch

REAR Rch

[MAIN Board]

(Component Side)

– 8 –

• Circuit Boards Location

SECTION 5

DIAGRAMS

SW board

RY board

PS board

LED board

AC-SW board

AC board

CONTROL board

BIAS-RL board

BIAS-RR board

BIAS-FR boar

BIAS-FL board

BIAS-C board

MAIN board

JOINT board

SP board

TA-N9000ES

– 9 – – 10 –

5-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS

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.

Note on Printed Wiring Board:

•X: parts extracted from the component side.

•b: Pattern from the side which enables seeing.

•Indication of transistor.

•U: B+ Line.

•V: B– Line.

•H: adjustment for repair.

• Voltages and waveform are dc with respect to ground

under no-signal conditions.

• Voltages and waveforms are taken with a VOM (Input

impedance 10 MΩ).

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

• Abbreviation

CND : Canadian model.

BThese are omitted.

These are omitted.

3.8 Vp-p

8 MHz

1 2 3 4 5 6 7 8

OVER LOAD DET

F/F

OFFSET DET

LATCH/

AUTORESET

MUTE

AC OFF

DET

• Waveform

1IC901 @º (X-OUT)

• ICBlock Diagram

– MAIN BOARD –

IC201 µPC1237HA

Note:

The components identi-

fied by mark !or dotted

linewithmark!arecriti-

cal for safety.

Replace only with part

number specified.

Note:

Lescomposantsidentifiéspar

une marque !sont critiques

pour la sécurité.

Ne les remplacer que par une

piéce portant le numéro

spécifié.

TA-N9000ES

– 11 – – 12 –

5-2. PRINTED WIRING BOARDS – MAIN Section – • See page 8 for Circuit Boards Location.

D101 G-12

D102 H-12

D103 F-11

D104 G-11

D105 E-12

D106 E-12

D107 B-12

D109 D-12

D201 E-10

D202 F-11

D301 E-2

D302 E-2

D304 D-3

D305 E-1

D401 E-5

D402 E-5

D404 D-6

Ref. No. Location

• Semiconductor Location

Q101 H-12

Q102 H-12

Q103 G-12

Q104 G-12

Q105 F-12

Q106 F-11

Q107 E-12

Q108 E-12

Q109 D-12

Q110 E-12

Q111 C-12

Q112 C-12

Q113 C-12

Q114 D-12

Q201 C-9

Q301 E-3

Q302 D-3

Q303 D-3

Q304 E-2

Q306 D-2

Q308 D-3

Q309 D-3

Q310 E-1

Q311 E-2

Q312 C-1

Q313 C-3

Q314 E-1

Q315 D-3

Q316 E-2

Q401 E-6

Q402 D-7

Q403 D-7

Q404 E-5

Q406 D-5

Q408 D-6

Q409 D-7

Q410 E-4

Q411 E-5

Q412 C-5

Q413 C-6

Q414 E-4

Q415 D-6

Q416 D-5

Q501 G-5

Q502 G-4

Q503 G-4

Q504 G-6

Q506 G-6

Q508 G-5

Q509 G-5

Q510 F-7

D405 E-4

D501 G-6

D502 G-6

D504 G-5

D505 F-7

D601 G-9

D602 G-10

D604 G-9

D605 F-10

D701 G-2

D702 G-3

D704 G-2

D705 F-3

IC101 F-12

IC201 C-8

Q511 G-6

Q512 H-6

Q513 H-5

Q514 F-7

Q515 G-5

Q516 G-6

Q601 G-9

Q602 G-8

Q603 G-8

Q604 G-9

Q606 G-10

Q608 G-9

Q609 G-8

Q610 F-10

Q611 G-9

Q612 H-10

Q613 H-8

Q614 F-10

Q615 G-8

Q616 G-10

Q701 G-2

Q702 G-1

Q703 G-1

Q704 G-2

Q706 G-3

Q708 G-2

Q709 G-1

Q710 F-3

Q711 G-2

Q712 H-3

Q713 H-1

Q714 F-4

Q715 G-2

Q716 G-3

Ref. No. Location

Ref. No. Location Ref. No. Location

(Page 12)

(Page 11) (Page 11) (Page 23)

(Page 19)

(Page 20)

(Page

23)

(Page

20) (Page 20)

(Page 23)

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