Sony ta h 2700 service manual

Page 1

TA-HZIUU

SERVICE MANUAL AEP Model

UK Model
: E Model
Australian Model
Tourist Model

This set is the Amplifier
section in MHC-2700
and FH-E757. This photo is AEP, UK, G and IT model.

SPECIFICATIONS

Continuous RMS power output

40+40 watts (6 ohms at

(Hz 5% THD)

(For AEP, UK, G, IT)

35+35 watts (6 ohms at

lkHz. DIN)

(For E, AUS, EA, JE)

Music power output

(for AEP, UK, G, |T)60+60 watts (6 ohms at
lkHL 10% THD)

Peak music power output

(for E, AUS, EA, JE)480 watts (4 speakers driven)

Inputs MIX MIC (minijack):

(For E, AUS, EA, JE):
sensitivity 1mV,
impedance 600 ohms

ADAPTOR (pin jacks)

(For E, AUS, EA, JE):
sensitivity SOOmV.
impedance 47 kilohms

Outputs HEADPHONES

(stereo miniiack):

accepts headphones of

8 °h" ° mm SAFETY-RELATED COMPONENT WARNINGII
ADAPTOR (pin jacks)
(For; Aug, EA, JE): COMPONENTS IDENTIFIED 3v MARK A on DOTTED
Quip". .eve. 300mV LINE WITH MARK A ON THE SCHEMATIC DIAGRAMS
impedancem '0th AND IN THE PARTS LIST ARE CRITICAL TO SAFE

OPERATION. REPLACE THESE COMPONENTS WITH
SONV PARTS WHOSE PART NUMBERS APPEAR AS
SHOWN IN THIS MANUAL OR IN SUPPLEMENTS PUB-
LISHED BY SONY.

Design and specifications subject to change
without notice,

06 2 Germany model

IT : Italian model
AUS: Australian model

52 2::::;:::;:.m°ds' INTEGRATED STEREO AMPLIFIER
S O N Y;

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TA-H2700

TABLE OF CONTENTS

Section Title Page
MEDELI LDENJTIFICQTION 1. GENERAL
0 e um er a 1-1. Parts Identification .............................. 2
SONY MODEL no. TA-H2700 2' DISASSEMBLY
2-1. Front Panel Assy ............................... 3
INTEGRATED STEREO AMPLIFIER 22' Jack Board, Speaker Board 3
2-3. Audio Board, AC Board .......................... 4
2-4. Power Amplifier Board, Power Transformer ...... 4
3. DIAGRAMS
3-1. Circuit Boards LocatiOt-i .......................... 5
3-2. Semiconductor Lead Layouts iiiiiiiiiiiiiiiiiiiiii 6
AEP, G model: AC: 220-230V~50/60Hz . r . _ . i _
IT model : Ac: 220-230V~50Hz 3-3. Printed Wiring Board Audio Section - .7
UK model : AC: 240V~50Hz 3-4. Schematic DiagramiAudio Section- ............ 9
E AUS B" 3-5. Schematic Diagram-AC/Volume Section- ...... 13
JE model 2 AC: 120/220/240V~50/50Hz 140W _
' 3-6. Printed Wiring Boards-AC/Volume Section- . . t .17
-G : Germany model
IT : Italian model 3-7. Printed Wiring Boards
J53 Australian model -Power/Power Amplifier Section- .............. 19
EA : Saudi Arabia model . .
JE : Tourist model 3-8. Schematic Dlagram
-Power/ Power Amplifier Section- .............. 21
3-9. Schematic Diagram-Panel Section- ............ 24
3-10. Printed Wiring Board~Panel SectionA ...... . .27
3-11. Pin Functions of IC501 (/1PD78134GF-051-3B9) . . . .31
4. EXPLODED VIEW
4-1. Main Section .................................... 33
5. ELECTRICAL PARTS LIST ...................... 35
SECTION 1
GENERAL

1-1. PARTS IDENTIFICATION

E WAKE UP VOL SET buflon and indicalol

0

El SYSTEM POWER switch and STANDBY
indicator
The Indicator remains lit as long as the
Ac power cord is connected to a wall
outlet.

1:] DISPLAY bunon Q

E Display window

El VOLUME control 0

El FUNCTION <> buttons @

mo. button a

E] DIRECT button a

13 TOTAL EFFECT CONTROL 4+ buttons

Susie button Q

El Function indicators

I21 (For AEP. UK. G, IT) MUTING button
(For E. AUS, EA1 JE) KARAOKE PON
button and Indicator

lL'i Mic (microphone) LEVEL control (For
E. AUS. EA JE)

[Ii MIX MIC (microphone) input jack (For
E AUS, EA, JE)

IISl HEADPHONES jack (stereo minijack)

This section is extracted from
instruction manual.