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Canadian Model

E Model

Australian Model

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Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are trademarks of
Dolby Laboratories.
“DTS” and “DTS Digital Surround” are registered trademarks of
Digital Theater Systems, Inc.

2004J16-1

© 2004.10

• STR-K760P is the tuner and the amplifier

section in HT-DDW760.

Power Output

1)

Models of area code CA
(6 ohms 1 kHz, THD 0.7%)

FRONT

2)

: 60 W/ch

CENTER

2)

: 

60 W

SURR

2)

: 60 W/ch

FRONT

2)

: 100 W/ch

CENTER

2)

: 

100 W

SURR

2)

: 100 W/ch

FRONT

2)

: 80 W/ch

CENTER

2)

: 

80 W

SURR

2)

: 80 W/ch

(6 ohms 1 kHz, THD 10%)

FRONT

2)

: 100 W/ch

CENTER

2)

: 

100 W

SURR

2)

: 100 W/ch

(6 ohms 1 kHz, THD 10%)

(6 ohms 1 kHz, THD 0.7%)

Models of area code SP, E51

FRONT

2)

: 45 W/ch

CENTER

2)

: 

45 W

SURR

2)

: 45 W/ch

(6 ohms 120 Hz - 20 kHz, THD 0.09%)

Models of area code AU

FRONT

2)

: 100 W/ch

CENTER

2)

: 

100 W

SURR

2)

: 100 W/ch

(6 ohms 1 kHz, THD 10%)

FRONT

2)

: 80 W/ch

CENTER

2)

: 

80 W

SURR

2)

: 80 W/ch

(6 ohms 1 kHz, THD 0.7%)

1) Measured under the following conditions:

CA

120 V AC, 60 Hz

SP

230 V AC, 50 Hz

AU, E51

240 V AC, 50 Hz

2) Depending on the sound field settings and the
    source, there may be no sound output.

Inputs (Analog)

CD, MD/TAPE, 
VIDEO 1, 2, DVD

Sensitivity: 800 mV
Impedance: 50 kiloohms

Inputs (Digital)

DVD (Coaxial)

Sensitivity: -
Impedance: 75 ohms

VIDEO 2 (Optical)

Sensitivity: -
Impedance: -

2

Outputs (Analog)

Reproduction frequency range:

Tone

28 - 20,000 Hz

MD/TAPE (OUT),
VIDEO 1 (AUDIO OUT)

Voltage: 800 mV
Impedance: 10 kiloohms

Gain levels

±6 dB, 1 dB step

SUB WOOFER

Voltage: 2 V
Impedance: 1 kiloohms

Tuning range

Antenna
Antenna terminals

87.5 - 108.0 MHz
FM wire antenna
75 ohms, unbalanced

Intermediate Frequency

10.7 MHz

Tuning range
Models of area code CA
With 10-kHz tuning scale: 

530 - 1,710 kHz

3)

With 9-kHz tuning scale:   

531 - 1,710 kHz

3)

Models of area code E51
With 10-kHz tuning scale: 

530 - 1,610 kHz

3)

With 9-kHz tuning scale:   

531 - 1,602 kHz

3)

With 9-kHz tuning scale:   

531 - 1,602 kHz

Antenna

Loop antenna

Intermediate Frequency

3) You can change the AM tuning scale to 9 kHz or
    10 kHz. After tuning in any AM station, turn off the
    receiver. While holding down PRESET TUNING +
    or TUNING +, press ?/1. All preset stations will be
    erased when you change the tuning scale. To reset
    the scale to 10 kHz (or 9 kHz), repeat the procedure.

450 kHz

Models of area code SP, AU

Inputs/Outputs
Video:

1 Vp-p, 75 ohms

Power requirements

CA

120 V AC, 60 Hz

AU

240 V AC, 50 Hz

SP

220 - 230 V AC, 50/60 Hz

Power consumption

Power consumption (during standby mode)

Dimensions (w/h/d) (Approx.)

Mass (Approx.)

Design and specifications are subject to change without notice.

• Abbreviation
  AU : Australian model
  CA : Canadian model
  E51: Chilean and Peruvian models
  SP  : Singapore and Malaysia models

CA

225 VA

AU, SP

150 W

E51

165 W

0.3 W

6.5 kg (14 lb 6 oz)

430 

× 145 × 301.5 mm

(17 

× 5 6/8 × 11 7/8 inches)

including projecting parts
and controls

E51

120/220/240 V AC, 50/60 Hz

3

0

0

       After correcting the original service problem, perform the
following safety checks 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.

    The AC 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 microamperes).
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-operated AC 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” indication
is 0.75 V, so analog meters must have an accurate low-voltage
scale. The Simpson 250 and Sanwa SH-63Trd are examples of
a passive VOM that is suitable. Nearly all battery operated
digital multimeters that have a 2V AC range are suitable. (See
Fig. A)

µ

Ω

• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be

damaged by heat.

Boards requiring use of unleaded solder are printed with the lead-
free mark (LF) indicating the solder contains no lead.
(Caution: Some printed circuit boards may not come printed with
the lead free mark due to their particular size.)

Unleaded solder has the following characteristics.
• Unleaded solder melts at a temperature about 40°C higher than

ordinary solder.
Ordinary soldering irons can be used but the iron tip has to be
applied to the solder joint for a slightly longer time.
Soldering irons using a temperature regulator should be set to
about 350°C.
Caution: The printed pattern (copper foil) may peel away if the
heated tip is applied for too long, so be careful!

• Strong viscosity

Unleaded solder is more viscous (sticky, less prone to flow) than
ordinary solder so use caution not to let solder bridges occur such
as on IC pins, etc.

• Usable with ordinary solder

It is best to use only unleaded solder but unleaded solder may
also be added to ordinary solder.

Parts No.

MODEL

PARTS No.

Canadian model

4-252-087-5s

Australian model

4-252-087-6s

Singapore and Malaysia models

4-252-087-7s

E51 model

4-252-088-7s

• Abbreviation

E51 : Chilean and Perurian models.

0

4

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5

······································································ 9

3-1. Circuit Board Location ··············································· 11
3-2. Block Diagrams – MAIN Section – ··························· 12

– DISPLAY/POWER Section – ································· 13

3-3. Printed Wiring Board

– DIGITAL Board (Side A) – ····································· 14

3-4. Printed Wiring Board

– DIGITAL Board (Side B) – ····································· 15

3-5. Schematic Diagram – DIGITAL Section (1/2) – ······· 16
3-6. Schematic Diagram – DIGITAL Section (2/2) – ······· 17
3-7. Printed Wiring Board – MAIN Section – ··················· 18
3-8. Schematic Diagram – MAIN Section (1/2) – ············· 19
3-9. Schematic Diagram – MAIN Section (2/2) – ············· 20
3-10. Printed Wiring Board – VIDEO Board – ··················· 21
3-11. Schematic Diagram – VIDEO Board – ······················ 21
3-12. Printed Wiring Board – POWER Section – ··············· 22
3-13. Schematic Diagram – POWER Section – ·················· 23
3-14. Printed Wiring Board – FRONT PANEL Section – ··· 24
3-15. Schematic Diagram – FRONT PANEL Section – ······ 25
3-16. IC Pin Function Descriptions ····································· 29

4-1. Front Panel Section ···················································· 31
4-2. Chassis Section ·························································· 32

····································· 33