Manufactured under license from Dolby Laboratories.
“Dolby”, “Pro Logic” and the double-D symbol are
trademarks of Dolby Laboratories.
“DTS”, “DTS-ES”, “Neo:6” and “DTS 96/24” are
trademarks of Digital Theater Systems, Inc.
SPECIFICATIONS
US Model
Canadian Model
AUDIO POWER SPECIFICATIONS
POWER OUTPUT AND TOTAL HARMONIC
DISTORTION:
(Models of area code US only)
With 8 ohm loads, both channels driven, from
20 – 20,000 Hz; rated 110 watts per channel
minimum RMS power, with no more than
0.09 % total harmonic distortion from 250
milliwatts to rated output.
Amplifier section
Power Output
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
5) You can change the AM tuning scale to 9 kHz or 10 kHz.
After tuning in any AM station, turn off the recei ver . 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.
Power requirements120 V AC, 60 Hz
Power consumption
Area codePower consumption
US310 W
CND420 V A
Power consumption (during standby mode)
0.3 W (when “POWER
SAVE” in the CUSTOMIZE
menu is set to “ON”)
AC outlets2 switched, 120 W/1A MAX
Dimensions (w/h/d) (Approx.)
430 × 157.5 × 371 mm
(16 7/8× 6 2/8× 14 5/8
inches) including
projecting parts and
controls
Mass (Approx.)10.7 kg (23 lb 10 oz)
Supplied accessories
FM wire antenna (1)
AM loop antenna (1)
Remote commander RM-LG113 (1)
R6 (size-AA) batteries (2)
Design and specifications are subject to change
without notice.
•Abbreviation
CND : Canadian model
2
STR-DE997
SAFETY CHECK-OUT
After correcting the original service problem, perform the following 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” indication is 0.75 V, so analog meters must have an accurate lowvoltage 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 2 V AC range are suitable. (See Fig. A)
To Exposed Metal
Parts on Set
MODEL IDENTIFICATION
— BACK PANEL —
Part No.
MODELPART No.
US4-252-935-5s
CND4-252-935-6s
•Abbreviation
CND: Canadian model
0.15 µF
1.5 k
Ω
Earth Ground
AC
voltmeter
(0.75 V)
Fig. A. Using an AC voltmeter to check AC leakage.
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 P ARTS WHOSE
PART NUMBERS APPEAR AS SHOWN IN THIS MANUAL OR
IN SUPPLEMENTS PUBLISHED BY SONY.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0 SUR LES
DIAGRAMMES SCHÉMATIQUES ET LA LISTE DES PIÈCES
SONT CRITIQUES POUR LA SÉCURITÉ DE FONCTIONNEMENT.
NE REMPLACER CES COMPOSANTS QUE PAR DES PIÈCES
SONY DONT LES NUMÉROS SONT DONNÉS DANS CE MANUEL
OU DANS LES SUPPLÉMENTS PUBLIÉS PAR SONY.
3
STR-DE997
TABLE OF CONTENTS
1. GENERAL
Main unit ................................................................................. 5
6. ELECTRICAL PARTS LIST ........................................ 59
4
SECTION 1
GENERAL
STR-DE997
This section is extracted
from instruction manual.
5
STR-DE997
6
SECTION 2
e
DISASSEMBLY
Note : This set can be disassemble according to the following sequence.
SET
2-1.CASE
(Page 7)
STR-DE997
2-2.FRONT PANEL SECTION
(Page 8)
2-5.STBY BOARD
(Page 9)
2-3.BACK PANEL SECTION
(Page 8)
2-4.DIGITAL BOARD
(Page 9)
2-6.MAIN BOARD
(Page 10)
Note : Follow the disassembly procedure in the numerical order given.
2-1. CASE
2
three screws
(case 3 TP2)
1
two screws
(case 3 TP2)
4
cas
3
two screws
(case 3 TP2)
7
STR-DE997
p
)
2-2. FRONT P ANEL SECTION
6
two screws
(+BVTP 3 x 8)
8
two screws
(+BVTP 3 x 8)
0
CNP701
1
two clips
4
3
CNS505
CNP205
5
CNP209
2
cli
2-3. BACK PANEL SECTION
5
CNP851
6
CNP207
9
front panel section
7
CNP901
qg
back panel section
7
three screws
(+BVTP 3 x 8)
qf
screw
(+BVTP 3 x 8)
1
8
two screws
CNS204
(+BVTP 3 x 8)
9
three screws
(+BVTP 3 x 8)
qd
two screws
(+BVTP 3 x 8)
0
five screws
(+BVTP 3 x 8)
qa
five screws
qs
screw
(+BVTP 3 x 8
(+BVTP 3 x 8)
2
connector
3
CNP812
4
CNP504
8
2-4. DIGIT AL BOARD
3
CNP507
8
screw
(+BVTP 3 x 8)
2
CNP510
CNP506
1
5
0
DIGITAL board
7
CNP811
6
CNP814
9
holder (PC board)
STR-DE997
2-5. STBY BOARD
4
CNP815
3
CNP810
5
three screws
(+BV SUMITITE (B3))
2
CNP905
6
STBY board
1
CNP804
4
screw
(+BVTP 3 x 8)
9
STR-DE997
)
2-6. MAIN BOARD
7
two screws
(+BV SUMITITE (B3))
6
screw
(+BV SUMITITE (B3))
4
CNP908
1
CN806
3
CNP802
8
two screws
(+BV SUMITITE (B3))
2
CNP804
5
two screws
(+BV SUMITITE (B3)
9
MAIN board
10
SECTION 3
TEST MODE
STR-DE997
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the [FM MODE] and the [DISPLAY] buttons
simultaneously, press the
?/1 button to turn on the main power .
The message “FA CT OR Y” appears for a moment and the present
contents are reset to the default values.
AM CHANNEL STEP 9 kHz/10 kHz SELECTION
MODE
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
Turn the [INPUT SELECTOR] control to set AM and press the
?/1 button to turn off the main power.
While depressing the [PRESET TUNING +] button or the[TUNING +] button, press the ?/1 button to turn on the main
power.
Either the message “9k STEP” or “10k STEP” appears for a
moment and select the desired step.
SPEAKER SIZE SELECTION MODE
* Either the normal speaker or micro satellite speaker can be se-
lected.
* Procedure:
While depressing the [DIMMER] button, press the ?/1 button to
turn on the main power.
Either the message “NORM. SP .” or “MICRO SP.” appears for a
moment and select the desired speaker size.
VACUUM FLUORESCENT DISPLAY TEST MODE
* All fluorescent segments are tested.
When this test is activated, all segments light on at the same
time, then each segment lights on one after another.
* Procedure:
While depressing the [TUNING ---] and the [SPEAKERS $OFF/A/B/A+B%] buttons simultaneously , press the
the main power.
1. ALL segments light on.
SP. A SP. B
MULTI CH IN 12 EQ D.RANGEDIGITAL EX DTS-ES MPEG -2 AAC OPT COAX MONO
3. Turn the [INPUT SELECTOR] control by 1 step clockwise, con-
firm display.
-2 AAC OPTMONO
96/24Hz
RDS
m
[2CH], [MOVIE], [VIDEO 1], [DVD], [MD/TAPE] and [TUNER FM/
AM] LED light on.
4. Turn the [INPUT SELECTOR] control by 1 step clockwise, all
segments and all LEDs light off.
5. Every turning the [INPUT SELECTOR] control turns on each
segment and LED one after another in the same order.
SOUND FIELD CLEAR MODE
* The preset sound field is cleared when this mode is activated.
Use this mode before returning the product to clients upon
completion of repair.
* Procedure:
While depressing the [2CH] button, press the ?/1 button to turn
on the main power.
The message “SF . INITIALIZE” appear s for a moment and initialization is performed.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the [TUNING ---] and the [DISPLAY] buttons
simultaneously, press the ?/1 button to turn on the main po wer .
The model name, destination and the software version are displayed for a moment.
KEY CHECK MODE
* Button check
* Procedure:
While depressing the [TUNING ---] and the [MAIN MENU] buttons
simultaneously, press the ?/1 button to turn on the main po wer .
Either the message “REST 20” appears.
Every pressing of any button other than the ?/1 counts down
the buttons. The buttons which are already counted once are not
counted again. When all buttons are pr essed “REST 00” appears.
2. Turn the [INPUT SELECTOR] control by 1 step clockwise, con-
firm display.
A
SLEEP A.DIRECT NIGHT MODE PROLOGIC x
LFE
LSWR
S
SB
EQ DIGITAL
D
D
D
D
[A.F.D.], [MUSIC], [MULTI CHANNEL DECODING], [VIDEO 2],
[VIDEO 3], [TV/SAT], [SA-CD/CD] and [PHONO] LED light on.
COMMAND MODE SELECTION MODE
* The command mode (AV1 or AV2) of the remote commander
can be selected.
* Procedure:
While depressing the [ENTER] button, press the ?/1 button to
turn on the main power.
Either the message “C.MODE.A V1” or “C.MODE.AV2” appears
for a moment and select the desired mode.
11
STR-DE997
d
4-1. CIRCUIT BOARDS LOCATION
GUIDE 1 board
GUIDE 2 board
SECTION 4
DIAGRAMS
SPEAKER board
STBY board
VIDEO board
POWER board
TUNING board
HP board
FRONT AV board
OPT3 board
DISPLAY board
VOLUME board
S-VIDEO board
VIDEO (AU) boar
DIGITAL board
MAIN board
12
4-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
STR-DE997
ANTENNA
VIDEO 3
INPUT
AUDIO
LR
J2702
(2/2)
R-CH
TN1
FM/AM TUNER UNIT
L-CH
FM 75Ω
COAXIAL
AM
TU+10V
R-CH
J303
-1 -2-3 -4-5 -6-1-1-2-2-3 -4-5 -6
LR
R-CH
STEREO
TUNED
MUTING
DATA
CLOCK
LRLR LR
MULTI CH IN 2
CE
DO
R-CH
CENTER
R-CH
SUB
WOOFER
VIDEO 1
AUDIOINAUDIO
LR
OUT
LRLR
R-CH
28
TUNER_STEREO
29
TUNER_AUTO_STOP
30
TUNER_MUTE
T.LAT
34
31
TUNER_DO
T.DATA
33
T.SERIAL_CLK
32
WOOFER_RY
22
FRONTSURROUNDFRONTSURROUND
R-CH
AUDIO
R-CH
SYSTEM
CONTROL
IC1101 (1/5)
IN
VIDEO 2
AUDIO
OUT
LR LRLR
-5 -6-3 -4-1 -2-5 -6-3-3-4-1 -2-2
J2553J2552
R-CH
2ND ROOM RY
006_LAT
7.1_DAT
7.1_CLK
011_LAT
VOL_IC.DATA
VOL_IC.CLK
VOL_LATCH
SURR BACK
R-CH
LR
MULTI CH IN 1
116
117
118
J304
41
3
1
2
4
DVD
AUDIOINAUDIO
R-CH
CENTER
TV/SAT
R-CH
13
1
5
9
SUB
WOOFER
IN
BUFFER
J305
(1/2)
IC1142
R-CH
11
3
6
8
2ND
ZONE
23
24
19
25
20
26
21
27
24
20
26
23
19
10
9
RELAY
DRIVER
Q300
L
OUT
R
TV/SAT
DVD/LD
VIDEO 2 OUT
VIDEO 2
VIDEO 1 OUT
VIDEO 1
VIDEO 3
LATCH
DAT
16 15 14
16 15 14
STB
DAT
6.1L
6.1SL
6.1C
7.1IL
7.1SL
7.1L
7.1SW
6.1SW
R-CH
J305 (2/2)
-3
-4
CLK
CLK
RY300
R-CH
AUDIO
SELECT
IC2560
AUDIO
SELECT
IC402
AUDIO
IN
COM
L OUT
SL OUT
C OUT
SW
OUT
SR OUT
R OUT
PRE AMP
IC300
13
18
22
25
22
18
11
7
4
DIGITAL
SECTION
(Page 14)
3.3V
REG
Q652
DIR
FUNCTION SELECT
SW
SEL
IC401
C
SEL
SEL
SL
61
4
2
SEL
SW
80
18
MCU
20
I/F
19
57
54
55
56
53
R-CH
58
R-CH
52
51
SBL OUT
SW OUT
C OUT
C
SL OUT
L OUT
SBL
SEL
R-CH
15 1112 13 10
212422
DVDD
L
SEL
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
+7V
+7V-7V
AVCCAVEE
63
62
74
73
78
76
6
7
46
47
40
41
35
34
28
29
Q410
MD/TAPE
OUT IN
L
RL
-1 -2-3 -4
MUTE
Q541,591
MUTE
Q641,691
MUTE
Q791
MUTE
Q391
MUTE
Q441,491
SYSTEM MUTE
R
J302
13
57
SUB WOOFER
AMP
IC604
DIGITAL
B
SECTION
(Page 14)
EQ AMP
IC301
L-CH
R-CH
FL-CH
FR-CH
SL-CH
SR-CH
C-CH
SBL-CH
SBR-CH
-1 -2-3 -4
A
D
RELAY
DRIVER
Q351
PHONO
L
RL
R-CH
DIGITAL
SECTION
(Page 14)
POWER
SECTION
(Page 18)
RY351
SA-CD/CD
IN IN
J2551
R
J301
R-CH
PRE
OUT
SUB
WOOFER
STR-DE997
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
: CD (ANALOG)
• R-ch is omitted due to
same as L-ch.
1313
STR-DE997
4-3. BLOCK DIAGRAM — DIGITAL SECTION —
DIGITAL
(ASSIGNABLE)
VIDEO 3
INPUT
TUNER/
AUDIO
SECTION
(Page 13)
MD/TAPE
OUT
(OPTICAL)
DVD
IN
(COAXIAL)
SA-CD/CD
IN
(COAXIAL)
SA-CD/CD
IN
(OPTICAL)
TV/SAT
IN
(OPTICAL)
MD/TAPE
IN
(OPTICAL)
DIGITAL
(OPT)
TUNER/
AUDIO
SECTION
(Page 13)
-1
-2
A
IC1353
J1301
J1301
IC1354
IC1351
IC1352
IC2010
B
3
DIN
1
OUT
1
OUT
1
OUT
1
OUT
SYSTEM MUTE
L-IN
R-IN
R-CH
IC1303
WAVE
SHAPER
IC1373
WAVE
SHAPER
SELECTOR
IC1302
67
4
5
3
AB
14 2
Q1103
INV.
Q1104
GATE
AMP
IC1402
31
23
23
X1301
12.288MHz
8
D1105
D1106
D1103
DIGITAL AUDIO
I/F RECEIVER
DOUT
2
DIN2
5
DIN1
4
DIN0
3
21
XOUT
22
XIN
+3.3V
Q1105
SYSTEM_MUTE
120
71
ERROR
119
A_D
IC1301
VDD
INV.
AINL
2
+5V-2
A.5V
INPUT
DEMODULATOR
Pa,Pb DETECTIONLOCK
C bit DETECTION
MICROPROCESSOR
CLKCEDIDOBPSYNC
38 37 36 35 33 47 17
84 67 69 70
DIR CE
DIR_CLK
DATA
I/F
ADC
DIR DI
NC
DIR DO
CONVERTER
IC1401
LPF
11
20
DETECTION
CKSEL1
83
DIR CKSEL1
A/D
AUDIO
MCLK
XMCK
XMODE
XSTATE
48
8281
DIR_XMODE
DIR_XSTATE
I/F
AUDIO
CKOUT
LRCK
DATAO
ERROR
47
48
TC74HCT153_A
SDTO
918
LRCK
10
SCLK
12
PDN
13
24
1322
BCK
1429
1528
1630
D1301
3459
+2.6V
+3.3V
DIR_DATAO
AK5380-PDN
49
85
TC74HCT153_B
VDDI
VDDE
79
GP12
SDI1SD01
GP8
69
KFSI0
BCKI2
LRCKI2
SDI2
LRCKI1
15
BCKI1
17
EXLOCK
37
GP12
7
PLOCK
GP9
68
7480
9718.PLLI
9718.GP9
IC1501
HACN
HCS
2 1133635 33 3432
72 7376104103 10278
9718.HCS1
9718.HACN1
DSP
XRST
XRST1
PM
PM1
SD02
SD03
SD04
SCKOUT
LRCKO
BCKO
MCLK1
MCLK2
CSO
WEO
HDIN
HDOUT
HDIN
HDOUT
D0-15A0-15
BST
23
24
25
26
MCLK
14
LRCKO
19
BCKO
20
9
X1502
13.9MHz
12
44
45
98,80 - 77,75 - 72
108,107,105 -102,99,
85-82,66 - 64
112,110,109,97 - 92,
SWITCH
IC1503
56
5
HCLK
9718.HCLK
IC1101 (2/5)
6
17
29 - 32,35 - 38,
24 - 27,42 - 44,
6
BST SEL
SYSTEM
CONTROL
SDRAM
IC1502
CS
WE
D0-15A0-15
16-13,10 - 7
1 - 5,18 - 21
LRCKO
2
1
75121
9718.BST1
PDN-1
CSN-2
CSN-1
AK4355_CSN
AK4381_CSN
CDTI
CCLK
PDN-2
899092939188
AK4355_PDN
AK4381_PDN
AK4355_CCLK
MCLK
LRCKO
BCKO
CSN-1
PDN-1
CCLK
CDTI
MCLK
LRCKO
BCKO
CSN-2
PDN-2
CCLK
CDTI
AK4355_CDTI
6CH DAC
IC1452
LOUT3-
17
LOUT3+
SDTI3
8
SDTI1
6
SDTI2
7
MCLK
4
LRCK
9
BICK
5
10
CSN
3
PDN
CCLK
11
CDTI
12
SDTI
3
MCLK
1
LRCK
4
BICK
2
CSN
6
PDN
5
CLK
7
DTI
8
DAC
DAC
DAC
2CH DAC
IC1451
DAC
ROUT3ROUT3+
LOUT1LOUT1+
ROUT1ROUT1+
LOUT2LOUT2+
ROUT2ROUT2+
OUTLOUTL+
OUTROUTR+
18
15
16
25
26
23
24
21
22
19
20
11
12
9
10
• Signal path
: VIDEO (AUDIO)
AMP
IC1403
2
3
6
5
AMP
IC1405
2
3
6
5
AMP
IC1404
2
3
6
5
AMP
IC1406
2
3
6
5
1
7
1
7
L OUT
R-CH
SL OUT
R-CH
TUNER/
C
1
7
1
7
C OUT
SW OUT
SBL OUT
R-CH
AUDIO
SECTION
(Page 13)
: CD (ANALOG)
: CD (DIGITAL)
• R-ch is omitted due to
same as L-ch.
STR-DE997
1414
4-4. BLOCK DIAGRAM — VIDEO SECTION —
VIDEO
SELECTOR
IC3201
V1 IN
13
LD
5
TV
3
V2 IN
9
V3
7
V1.IN
13
LD
5
TV
3
V2 IN
9
V3
7
V1
13
LD
5
TV
3
V2 IN
9
V3
7
VIDEO 1
DVD
TV/SAT
VIDEO
INPUT
VIDEO 1
DVD
TV/SAT
VIDEO 2
VIDEO 3
INPUT
-2
S-VIDEO
IN
-2
S-VIDEO
IN
-1
S-VIDEO
IN
S-VIDEO
-2
VIDEO
IN
-2
VIDEO
IN
-1
VIDEO
IN
-2
VIDEO
IN
-1
VIDEO
J3103 (1/2)
J3101 (1/2)
J3102 (1/2)
J2702 (1/2)
J2106 (1/2)
Y
C
J2105 (1/2)
Y
C
J2105 (2/2)
Y
C
J2701
Y
C
G
G
G
G
G
G
SW2
SW3
SW4
SW4
SW4
SW4
SW4
SW4
SW1
D3201,3202
SW1
Y SWITCH
IC2101
SW1
SW1
C SWITCH
IC2102
SW1
SW1
D2102,2103
OR
OR
106142
4
SW2
SW3
SW3
SW2
106142
4
SW2
SW3
SW3
SW2
106142
4
SW3
SW2
SW5
SW5
SW5
SW5
SW5
6dB AMP
6dB AMP
6dB AMP
6dB AMP
6dB AMP
6dB AMP
6dB AMP
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
V1.OUT
M.OUT
V2.OUT
V1.OUT
M.OUT
V1.OUT
M.OUT
STR-DE997
VCC
+5V-3
15
1
11
VEE
-5V-3
J2305
CTRL A1
VCC
+5V-3
15
1
VEE
-5V-3
VCC
+5V-3
15
1
VEE
-5V-3
+5V-3
IC3103
31
+5V
REG
+9V
J3103 (2/2)
J3102 (2/2)
J2106 (2/2)
Y
C
J2104
Y
C
IC3102
+9V
31
REG
VIDEO
VIDEO
VIDEO
SW1
SW2
SW3
SW4
G
S-VIDEO
G
MONITOR-V/IN
MONITOR-Y/IN
MONITOR-C/IN
MONITOR-V/OUT
MONITOR-Y/OUT
MONITOR-C/OUT
G
S-VIDEO
G
-5V-3
-1
OUT
-3
OUT
-1
OUT
OUT
OUT
V SW1
V SW2
V SW3
V SW4
CTRL A1
-1
31
32
VIDEO 1
MONITOR
VIDEO 2
VIDEO 1
MONITOR
IC3101
+12V
REG
IC3104
-5V
REG
KEY/DISPLAY
E
SECTION
(Page 16)
OSD
G
SECTION
(Page 17)
OSD
H
SECTION
(Page 17)
+15V
-15V
• Signal path
: VIDEO
STR-DE997
1515
STR-DE997
4-5. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
V.SW1
36
V.SW2
37
V.SW3
38
V.SW4
39
A1 IN
86
A1 OUT
87
57
X1
X0
58
EEPROM.SDA
99
EEPROM.SCL
100
62
PW_ON/OFF
109
SOT1
110
SIN1
MD2
52
MD0
54
55
RSTX
106
DATA
105
CLK
107
LAT
OSD
VIDEO
SECTION
(Page 15)
OSD
SECTION
(Page 17)
V SW1
V SW2
V SW3
V SW4
E
CTRL A1
FLASH
PROGRAMMING
OSD-DIN
OSD-CLK
F
OSD-CS
CNS503
+3.3V
(STBY)
BUFFER
Q1102
X1101
16.5MHz
EEPROM
IC1131
5
SDA
SCL
6
S141
I
/
I
FLASH1
1
FLASH2
2
MD2
7
MD0
6
RESET
5
IC1111
12
RESET
23
BUFFER
1211
IC1141
98
SYSTEM
CONTROL
IC1101 (3/5)
FL LAT/F2
FL DIN/F1
FL CLK
FL DRV.CLR
SIRCS
MENU JOG 3A
MENU JOG 3B
VOL_JOG_2A
VOL_JOG_2B
FUNCTION_JOG_1A
FUNCTION_JOG_1B
CURSOL_JOG_3A
CURSOL_JOG_3B
A/D0
A/D1
A/D2
113
112
114
115
132
133
134
FL DISPLAY DRIVER
IC100
P1
61
I
P51
19
P15
15
P17
17
RESET
8
XIN
SIRCS
2
3
OUT
1
1
3
1
3
1
3
1
3
XOUT
SW NETWORK
S110-116
X101
8MHz
Q1106
63
15
14
17
16
11
10
13
12
SW NETWORK
S100-107
SW NETWORK
S122-126
P21
G1
I
G16
P00,01
P03-07
P40,41
P43-47
REMOTE
CONTROL
RECEIVER
IC103
RV101
MENU
RV103
MASTER
VOLUME
RV104
INPUT
SELECTOR
RV105
-/+
I
41
77
I
62
22,23
25-31
33-37
14
FL101
VACUUM
FLUORESCENT
DISPLAY
LED DRIVE
Q101,103-106,
108-116
2
OUT1
IN3
4
14
REMOCON
AMP
IC2103
02-1
D101,103-106,
108-116
11
IN1
13
J2102
STATUS
OUT
J2103
STATUS
IN
CONTROL S
STR-DE997
1616
4-6. BLOCK DIAGRAM — OSD SECTION —
STR-DE997
KEY/DISPLAY
SECTION
(Page 16)
SYSTEM
CONTROL
IC1101 (4/5)
F
UPCON DATA
UPCON CLK
OSD ON/OFF
COMP SEL2
COMP SEL1
OSD-DIN
OSD-CLK
OSD-CS
V MUTE
(TEST)
43
111
108
64
40
66
TP3501
1
2
4
V SYNC
H SYNC
TEST
X3501
14.31MHz
CT3501
RELAY
CONTROL
Q3302
VIDEO
SECTION
(Page 15)
ON SCREEN DISPLAY CONTROL
IC3501
V IN
325
Y IN
227
C IN
126
TEST
SIN
SCLK
CS
EXS
XD
EXD
RY3304
NTSC/
PAL
SIGNAL
GEN
SERIAL
INPUT
CONTROL
4FSC
OSC
DOT
CLK
GEN
RY3303
11
10
21
23
22
24
8
9
16
15
OSD SWITCH
Q3501-3503
G
ANALOG
VIDEO
SIGNAL
DISPLAY
MEMORY
CONTROL
DATA
COLOR
BURST
VIDEO
PHASE
SYNC
MONITOR-V/IN
MONITOR-Y/IN
MONITOR-C/IN
SW
GEN
12
OUTPUT
CONTROL
CG ROM
CHARACTER
VRAM
IC3253
SYNC
SEPARATION
V OUT
Y OUT
C OUT
MONITOR SELECTOR
IC3651
12
13
2
1
5
3
CBA
9 10 11
1
8
VIDEO AMP
IC3641 (1/2)
1414
15
4
12
VIDEO AMP
IC3741
4
532
SYNC DET
Q3252
IC3731
SYNC
SEPARATION
H/V
SEPA
Q3701
Q3641
Y/C SEPARATION
IC3601
AD
IN
ADC
215
SYNC DET
Q3731
38
V SYNC
H SYNC
39
34
CVBS/Y IN
C IN
37
SDA
36
SCL
RELAYCONTROL
Q3301,3304
I LINE
MEMORY
SYSTEM
CLOCK
CLOCK GENERATOR
IC3701
UP CONVERT SELECTOR
SECAMREF
XNTSC
V2 OUT
U2 OUT
Y OUT
RY3302
PLL
12
13
5
3
30
26
6
7
18
DYNAMIC
COMB
FILTER
CB A
9 10 11
RY3301
IC3751
COLOR
KILLER
148
41
X3701
3.5795MHz
VIDEO AMP
IC3641 (2/2)
AYO
DAC
ACO
DAC
FIN
VIDEO AMP
IC3671
58
Y PROCESS
Q3621,3622
7
37
C PROCESS
Q3631,3632
MONITOR-V/OUT
5
MONITOR-C/OUT
H
VIDEO
SECTION
(Page 15)
4
MONITOR-Y/OUT
• Signal path
: VIDEO
COMPONENT
STR-DE997
VIDEO
TV/SAT
IN
DVD
IN
P
P
P
P
B/CB
R/CR
B/CB
R/CR
J3104 (1/2)
Y
/B-Y
/R-Y
Y
/B-Y
/R-Y
-1
-2
-3
-4
-5
-6
1
4
7
6dB AMP
VIN1
6dB AMP
VIN2
6dB AMP
VIN3
VIDEO AMP
IC3321
75Ω
DRIVER
75Ω
DRIVER
75Ω
DRIVER
MUTE1MUTE2
310
VOUT1
VOUT2
VOUT3
VCC
+5V-3
15
13
11
VEE
-5V-3
J3104 (2/2)
-7
-8
-9
Y
MONITOR
P
B/CB
/B-Y
R/CR
/R-Y
P
OUT
COMPONENT
VIDEO
1717
STR-DE997
4-7. BLOCK DIAGRAM — POWER SECTION —
PRE DRIVER
IC500
IN 2
TUNER/
AUDIO
SECTION
(Page 13)
D
FL-CH
FR-CH
SL-CH
SR-CHR-CH
C-CH
SBL-CH
SBR
PROTECTOR
SYSTEM
CONTROL
IC1101 (5/5)
BRIDGEABLE RY
VOLT_DETECT_STOP
R-CH
R-CH
HP_RY
SP_A_RY
REAR_RY
CENTER_RY
HP_CTRL
SP_B_RY
PW-RY
SUB-T
23
42
18
21
20
24
19
45
25
5
60
8
8
6
8
D1107
D1108
IN 2
IN1
IN2
D1111
PRE
DRIVE
PRE
DRIVE
PRE
DRIVE
PRE
DRIVE
DRIVE
PRE DRIVER
IC600
DRIVE
PRE DRIVER
IC700
DRIVE
PRE DRIVER
IC400
DRIVE
PROTECTOR
D201-203
Q200-202,255,256
D1110
HP-RY
FRONT A RY
REAR-RY
CENTER RY
HP DETECT
FRONT B RY
+VOUT2
-VOUT2
-48V +48V
+VOUT2
-VOUT2
-48V +48V
+VOUT1
-VOUT1
-48V +48V
+VOUT2
-VOUT2
-48V +48V
12
11
12
11
2
3
12
11
+48V
IC210
OVERLOAD
DETECT AMP
POWER AMP
Q571-574
POWER AMP
Q671-674
POWER AMP
Q721-724
POWER AMP
Q471-474
+48V REG
Q220,225
PROTECTOR
Q210
72
J2501
PHONES
R-CH
TM2880
TM601
L
FRONT B
R
L
FRONT A
R
L
SURROUND
R
CENTER
SPEAKERS
IMPEDANCE
USE 8-16Ω
• Signal path
: TUNER (FM/AM)
R-CH
R-CH
CURRENT
DETECT
Q575,576
R-CH
CURRENT
DETECT
Q675,676
R-CHR-CH
OVERLOAD
DETECT
D575,Q577
R-CH
OVERLOAD
DETECT
D675,Q677
RELAY
DRIVER
Q240
RELAY
DRIVER
Q2880
RELAY
DRIVER
Q2881
RELAY
DRIVER
Q600
RELAY
DRIVER
Q400
RY240
RY2881
RY600
RY400
R-CH
R-CH
RY2880
TM602(1/2)
R-CH
• R-ch is omitted due to
CURRENT
DETECT
Q725,726
CURRENT
DETECT
Q475,476
R-CH
+B
-B
-48V
TU+10V
+7V
-7V
+5V-2
+5V-1
+2.6V
+3.3V
+3.3V
(STBY)
+5V
(STBY)
IC1021
+3.3V
REG
R-CHR-CH
-48V REG
Q235
13
IC1001
IC1901
5
+2.6V/+3.3V
2
OVERLOAD
DETECT
D725,Q727
OVERLOAD
DETECT
D475,Q477
+5V
REG
REG
IC1011
+5V
REG
TM602(2/2)
D925
D251
D290
D291
R861
R862
R851
L
SURROUND
BACK
R
T901
POWER
TRANSFORMER
POWER
TRANSFORMER
D926
T902
-32V
RY700
-32V REG
Q250
D851-854
RELAY
DRIVER
Q911
D921-924
Q921
R-CH
RECT
D865
RECT
RECT
RY802,803
F1
F2
-32V
RELAY
SWITCH
RY911
RELAY
DRIVER
Q700
HP-RY
FRONT B RY
FRONT A RY
REAR-RY
CENTER RY
HP CTRL
RECT
D801,802
IC1902
+10V
13
REG
IC260
+7V
REG
-7V
REG
D1001
IC265
IC1031
+5V
REG
13
4
13
+15V
31
23
-15V
13
RELAY
DRIVER
Q809
D927
+B SWITCH
Q912,913
same as L-ch.
F901
F902
J911
AC
OUTLET
~
AC IN
STR-DE997
1818
STR-DE997
THIS NOTE IS COMMON FOR PRINTED WIRING
BOARDS AND SCHEMATIC DIAGRAMS.
(In addition to this, the necessary note is
printed in each block.)
for schematic diagram:
• All capacitors are in µF unless otherwise noted. (p: pF)
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in Ω and 1/
specified.
f
•
• 2 : nonflammable resistor.
• 5 : fusible resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
•Voltage and waveforms are dc with respect to ground
•Voltages are taken with a VOM (Input impedance 10 MΩ).
•Waveforms are taken with a oscilloscope.
• Circled numbers refer to waveforms.
• Signal path.
• Abbreviation
: internal component.
Note:
The components identified by mark 0 or dotted
line with mark 0 are criti-
cal for safety.
Replace only with part
number specified.
under no-signal (detuned) conditions.
no mark : FM
Voltage variations may be noted due to normal production tolerances.
Voltage variations may be noted due to normal production tolerances.
F: TUNER (FM/AM)
L : VIDEO (AUDIO)
I : VIDEO
J: CD (ANALOG)
c : CD (DIGITAL)
CND : Canadian model.
4
W or less unless otherwise
Note:
Les composants identifiés par
une marque 0 sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce portant le numéro
spécifié.
for printed wiring boards:
• X : parts extracted from the component side.
f
•
•: Pattern from the side which enables seeing.
Caution:
Pattern face side: Parts on the pattern face side seen from the
(Side B)pattern face are indicated.
Parts face side: Parts on the parts face side seen from the
(Side A)parts face are indicated.
• Abbreviation
: internal component.
CND : Canadian model.
C
Q
B
E
Q
BCE
Q
B
C
These are omitted.
These are omitted.
E
• Waveforms (DIGITAL Board)
1V/DIV 50nsec/DIV
1
3.8Vp-p
12.288MHz
IC1301
1V/DIV 0.2µsec/DIV
2
IC1301
1V/DIV 50nsec/DIV
3
IC1301
1V/DIV 50nsec/DIV
4
IC1501
1V/DIV 50nsec/DIV
5
IC1501
1V/DIV 50nsec/DIV
6
IC1501
1V/DIV 50nsec/DIV
7
(CKOUT)
qd
3.07MHz
(BCK)
qf
12.288MHz
(XOUT)
wa
13.9MHz
(MCLK1)
9
13.9MHz
(MCLK2)
qs
12.288MHz
(SCKOUT)
qf
3.2Vp-p
3.5Vp-p
2.2Vp-p
3.5Vp-p
3.8Vp-p
• Waveforms (VIDEO Board)
1V/DIV 20nsec/DIV
1
1.8Vp-p
14.31MHz
IC3501
1V/DIV 20nsec/DIV
2
IC3701
(EXS)
8
3.5795MHz
(XNTSC)
wh
2.6Vp-p
• Waveform (DISPLAY Board)
1V/DIV 20nsec/DIV
1
2.6Vp-p
8MHz
IC100
(XOUT)
3
STR-DE997
1919
16.5MHz
IC1101
tj
2.1Vp-p
(X1)
STR-DE997
4-8. PRINTED WIRING BOARDS — MAIN SECTION — • Refer to page 12 for Circuit Boards Location and page 19 for Common Note on Printed Wiring Boards.