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SERVICE MANUAL
US Model
· HT-6800DP/DDW960 are composed of the following models.
As service manuals are issued for each
component model, please refer to them.
COMPONENT MODEL NAME
HT-6800DP
HT-DDW960
FM/AM RECEIVER
STR-K6800P
STR-K6800P
FRONT/SURROUND/
SS-MSP88
SS-MSP88
SURROUND BACK SPEAKER
CENTER SPEAKER
SS-CNP88
SS-CNP88
SUB WOOFER
SA-WMSP68
SA-WMSP68
CD/DVD PLAYER
DVP-NC675P
--
Ver 1.0 2004. 06
HOME THEATER SYSTEM
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
9-879-032-01
2004F04-1
© 2004. 06
HT-6800DP/DDW960
ACCESSORIES
************
1-478-620-11
COMMANDER, STANDARD (RM-PP860)
(including BATTERY COVER)
1-501-374-12
ANTENNA, LOOP (AM)
1-751-347-13
CORD, CONNECTION (10m) (for SPEAKER)
1-769-329-21
CORD, CONNECTION (PIN-PIN) (MONAURAL CORD)
1-769-433-62
CORD, SPEAKER (3.5m) (for SPEAKER)
1-793-184-23
CONNECTOR (F TYPE ADAPTOR) (FM)
1-823-135-13
CORD (CONNECTION) (COAXIAL DIGITAL CORD)
2-021-076-01
FOOT (for SS-CNP88/MSP88)
4-235-237-01
FOOT (for SA-WMSP68)
4-252-273-11
MANUAL, INSTRUCTION (ENGLISH) (6800DP)
4-255-298-61
MANUAL, INSTRUCTION (ENGLISH) (DDW960)
Part No.
Description
Remark
PARTS LIST


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REVISION HISTORY
Clicking the version allows you to jump to the revised page.
Also, clicking the version at the upper on the revised page allows you to jump to the next revised page.
Ver.
Date
Description of Revision
1.0
2004. 06
New
HT-6800DP/DDW960


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1
SERVICE MANUAL
US Model
STR-K6800P
AEP Model
UK Model
Australian Model
STR-DE597P
STR-DE597P/K6800P
FM STEREO/FM-AM RECEIVER
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(Models of area code US only)
With 8 ohm loads, both channels driven, from
120 ­ 20,000 Hz; rated 90 watts per channel
minimum RMS power, with no more than
0.7 % total harmonic distortion from 250
milliwatts to rated output.
Amplifier section
Power Output 1)
Models of area code US
(8 ohms 1 kHz, THD 10 %)
FRONT 2) : 120 W/ch
CENTER 2) : 120 W
SURR 2) : 120 W/ch
SURR BACK 2) : 120 W
Models of area code AEP, UK
(8 ohms 1 kHz, THD 0.7 %)
FRONT 2) : 100 W/ch
CENTER 2) : 100 W
SURR 2) : 100 W/ch
SURR BACK 2) : 100 W
(8 ohms 1 kHz, THD 10 %)
FRONT 2) : 120 W/ch
CENTER 2) : 120 W
SURR 2) : 120 W/ch
SURR BACK 2) : 120 W
SPECIFICATIONS
Models of area code AUS
(8 ohms 120 Hz ­ 20 kHz, THD 0.09 %)
FRONT 2) : 80 W/ch
CENTER 2) : 80 W
SURR 2) : 80 W/ch
SURR BACK 2) : 80 W
(8 ohms 1 kHz, THD 0.7 %)
FRONT 2) : 100 W/ch
CENTER 2) : 100 W
SURR 2) : 100 W/ch
SURR BACK 2) : 100 W
(8 ohms 1 kHz, THD 10 %)
FRONT 2) : 120 W/ch
CENTER 2) : 120 W
SURR 2) : 120 W/ch
SURR BACK 2) : 120 W
1) Measured under the following conditions:
Area code
Power requirements
US
120 V AC, 60 Hz
AEP, UK
230 V AC, 50 Hz
AUS
240 V AC, 50 Hz
2) Depending on the sound field settings and the
source, there may be no sound output.
Ver 1.0 2004. 06
9-879-028-01
2004F04-1
© 2004. 06
Sony Corporation
Home Audio Company
Published by Sony Engineering Corporation
Manufactured under license from Dolby Laboratories.
"Dolby", "Pro Logic" and the double-D symbol are
trademarks of Dolby Laboratories.
"DTS", "DTS-ES", "Neo:6" are trademarks of Digital
Theater Systems, Inc.
­ Continued on next page ­
Photo: STR-K6800P
· STR-DE597P/K6800P are
the FM/AM receiver section
in HT-DDW860/6800DP.


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2
STR-DE597P/K6800P
Inputs (Analog)
MULTI CH IN, SA-CD/
Sensitivity: 800 mV
CD, MD/TAPE, DVD,
Impedance: 50 kiloohms
VIDEO 1, 2
Inputs (Digital)
DVD (Coaxial)
Sensitivity: ­
Impedance: 75 ohms
VIDEO 2, SA-CD/CD
Sensitivity: ­
(Optical)
Impedance: ­
Outputs (Analog)
MD/TAPE (OUT),
Voltage: 800 mV
VIDEO 1 (AUDIO OUT)
Impedance: 10 kiloohms
SUB WOOFER
Voltage: 2 V
Impedance: 1 kiloohms
Reproduction frequency range:
28 ­ 20,000 Hz
Tone
Gain levels
±6 dB, 1 dB step
FM tuner section
Tuning range
87.5 ­ 108.0 MHz
Antenna
FM wire antenna
Antenna terminals
75 ohms, unbalanced
Intermediate frequency
10.7 MHz
AM tuner section
Tuning range
Models of area code US
With 10-kHz tuning scale: 530 ­ 1,710 kHz 3)
With 9-kHz tuning scale: 531 ­ 1,710 kHz 3)
Models of area code AEP, UK, AUS
With 9-kHz tuning scale: 531 ­ 1,602 kHz
Antenna
Loop antenna
Intermediate frequency
450 kHz
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.
Video section
Inputs/Outputs
Video:
1 Vp-p, 75 ohms
COMPONENT VIDEO:
(Except for models of area code AEP, UK)
Y: 1 Vp-p, 75 ohms
PB/CB/B-Y: 0.7 Vp-p,
75 ohms
PR/CR/R-Y: 0.7 Vp-p,
75 ohms
80 MHz HD Pass Through
General
Power requirements
Area code
Power requirements
US
120 V AC, 60 Hz
AEP, UK
230 V AC, 50/60 Hz
AUS
240 V AC, 50 Hz
Power consumption
220 W
Power consumption (during standby mode)
0.3 W
Dimensions (w/h/d) (Approx.)
430
× 157.5 × 312 mm
(16 7/8
× 6 2/8 × 12 2/8
inches) including
projecting parts and
controls
Mass (Approx.)
8.0 kg (17 lb 11 oz)
Design and specifications are subject to change
without notice.
·Abbreviation
AUS: Australian model


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3
MODEL IDENTIFICATION
-- BACK PANEL --
Part No.
MODEL
PART No.
STR-K6800P: US
4-254-238-0s
STR-DE597P: AEP
4-254-238-1s
STR-DE597P: UK
4-254-238-2s
STR-DE597P: AUS
4-254-238-3s
·Abbreviation
AUS: Australian model
STR-DE597P/K6800P
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE
WITH MARK 0 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 PUBLISHED BY SONY.
1.5 k
0.15 µF
AC
voltmeter
(0.75 V)
To Exposed Metal
Parts on Set
Earth Ground
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
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 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-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" 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 2 V AC range are suit-
able. (See Fig. A)
Fig. A. Using an AC voltmeter to check AC leakage.