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STR-DE825/V818
SERVICE MANUAL
US Model Canadian Model E Model Australian Model
STR-DE825
Chinese Model
STR-V818
Photo : STR-DE825
Dolby Laboratories Licensing Corporation. "DOLBY" the double-D symbol a "AC-3" and "PRO LOGIC" are trademarks of Dolby Laboratories Licensing Corporation.
SPECIFICATIONS
AUDIO POWER SPECIFICATIONS POWER OUTPUT AND TOTAL HARMONIC DISTORTION: With 8 ohm loads, both channels driven, from 20 - 20,000 Hz; rated 100 watts per channel minimum RMS power, with no more than 0.09% total harmonic distortion from 250 milliwatts to rated output (USA model only).
Amplifier section POWER OUTPUT Stereo mode (8 ohms 20 Hz - 20 kHz, THD 0.09%) 100 W + 100 W Surround mode (8 ohms at 1 kHz, THD 0.8%) Front: 100 W/ch Centera): 100 W Reara): 100 W/ch a) Depending on the sound field settings and the source, there may be no sound output.
Inputs (Analog) PHONO: Sensitivity: 2.5 mV Impedance: 50 kilohms S/Nb): 75 dB (A, 2.5 mVc)) CD, DVD/LD, TAPE, MD/DAT, TAPE/MD, TV/DBS, VIDEO 1 and VIDEO 2 : Sensitivity: 150 mV Impedance: 50 kilohms S/Nb): 82 dB (A, 150 mVc))
b)78' IHF c) Weighted network, input level
Dynamic power output 155 W + 155 W, 8 ohms 220 W + 220 W, 4 ohms Harmonic distortion at rated output Less than 0.09% (with sound field, tone, and bass booster bypassed) Frequency response PHONO: RIAA equalization curve ±0.5 dB CD, TAPE, MD/DAT, TAPE/MD, DVD/LD, TV/DBS, VIDEO 1 and VIDEO 2 : 10 Hz - 50 kHz +0.5/-2 dB (with sound field, tone, and bass booster bypassed)
Inputs (Digital) DVD/LD (coaxial): Sensitivity: Impedance: 75 ohms S/N: 100 dB (A, 20 kHz LPF) DVD/LD, TV/DBS, MD/DAT (Optical): Sensitivity: Impedance: S/N: 100 dB (A, 20 kHz LPF) Outputs TAPE, MD/DAT, TAPE/MD, (REC OUT); VIDEO 1, 2 (AUDIO OUT): Voltage: 150 mV Impedance: 10 kilohms WOOFER: Voltage: 2 V Impedance: 1 kilohms PHONES: Accepts low - and high-impedance headphones
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FM STEREO FM-AM RECORDER
MICROFILM
STR-DE825/V818
3-2. BLOCK DIAGRAM MAIN SECTION
TM301 ANTENNA FM 75 AM FM
AUDIO SELECT IC301
TUNER UNIT
L OUT 10 STEREO R OUT 12 DATA CLK CE R CH 3 2 1 7 S DATA S CLK STEREO S LAT 6 5 10 9 CONTROL CLK 11 TMUTE TUNED 8 VIDEO2 INPUT OUTPUT VIDEO1 INPUT L L L 4 TV/DBS DVD/LD INPUT INPUT OUTPUT L L L
J305 1 2 6 J304 7 9 10
SELECTOR IC303 4 IC304 IC1104 IC1104 30 LIN+ 29 LINL OUT1 27 MUTE Q302 BALANCE RV402 AUDIO CODEC IC1103 IC1104 IC408 DATA CLK LAT 8 IC1105 IC407 IC410 MUTE Q304 IC1105 IC407 IC410 14 IN OUT 15 AUDIO DSP IC1401 113 BCK0 S CLK S LAT 115 LRCK 99 CLK1 DOLBY DIGITAL AUDIO DECODER IC1301 IC1108 IC1102 22 SDATA1 IC1305 27 SDATA2 44 MCLK IC1102 43 SCK 25 SCLK1 IC1102 LRCK 36 X1301 49.152MHz IC1305 ERROR 30 SRDT 38 A0-7 IC1403 IC1305 13 CLOCK 10 DIVIDE IC1305 30 CLK D0-7 16 20 HD0 . 23 HD7 25 D0-7 15 HA0 XHDWR SOD 5 HRDY 13 XHDRD XHDCS XRST RELAY DRIVE Q301 28 SCLK2 42 RCLK 26 LRCLK1 29 LRCLK2 74 XWE 70 XOE Q120 LED DRIVE LED VOL SRAM IC1402 D0-7 UP A0-7 AUDATA0 41 AUDATA1 40 AUDATA2 39 117 SIA 118 SIB 119 SIC SOA 2 SOB 3 SOC 4 6 SDTI 1 7 SDTI 2 8 SDTI 3 IC1106 L OUT2 25 CDTO CCLK CDTI CS PD MUTE Q303 IC406 IC409 DATA CLK LAT VOL CONT MUTE Q354 DATA CLK LAT 9 DATA 8 CLK 10 LAT W VOL CONT L OUT3 23 RY301 IC405 VOLUME RV401
TMUTE
TUNED
AM DO
VOL CONT IC414 14 IN OUT 15 9 DATA 8 CLK 10 LAT L
4 14 15 13
2
3
1
DO
IC416
3 IN OUT 2 C
J301 PHONO CD L L
EQ AMP IC302 3 1
9 SDTO 11 CONTROL CLK CE 39 MCLK1 4 BCLK
A
5 LRCK R OUT3 24 CE DI S DATA
J302 INPUT MD/DAT OUTPUT L J303 INPUT TAPE OUTPUT L L L
DI
14 15 13
14 15 13
S DATA
S CLK
S LAT
IC415
14 IN OUT 15 9 DATA 8 CLK 10 LAT SL
DIGITAL AUDIO I/F RECEIVER IC1101 D OUT 35 CLK 29 IC1006 15 14 13 SELECT SWITCH 12 IC1005 4 3 2 1 A 11 B 10 C 9 5 47 D IN BCK 34
44 43 42 41 17
IC001 DVD/LD IR LINK DET IC002 TV/DBS IR LINK DET IC003 MD/DAT (INPUT) MD/DAT (OUTPUT) COAXIAL DVD/LD J299 AUDIO VIDEO 3 VIDEO VIDEO SELECT IC201 J201 MONITOR OUTPUT INPUT VIDEO 1 OUTPUT 15 V1 OUT 7 V3 IN 1 M OUT 13 V1 IN VEE 8 L IR LINK DET IC004 IR LINK DET J001 IC007
27 XO A B C 40 SWDT 42 SCLK 41 XLAT 11 RESET X1101 24.576MHz 26 XI
M
DOWN
B
D0-7
MEMORY IC1302 A8-15
LATCH IC1303 IC1304
5 EMRD 21 EXTMEM SCCLK SCD IN
9 10 14 SCDOUT 19 IC1202 IC1202 INTREQ 20 RESET
26 Q1207
AC MUTE PROTECTOR RY HP Q1201 MUTE CONT RY FRONT A RY FRONT B RY CENTER CLK
VCC 16 IC202 -5V 3 REG 2
+5V
-15V DO STEREO TUNED TMUTE C A B S CLK S LAT S DATA D1201
Q1203
7
6 18
36
Q1206
CS
C
IC1202
Q1204
Q1205
D0-7
DATA
LAT
Q1202
RY WOOFER RY REAR 84 79 106101102 103105104 AC MUTE RY CENTER RY FRONT A RY FRONT B RY WOOFER PROTETOR RY REAR RY HP
J202 INPUT VIDEO 2 OUTPUT DE825 MODEL TV/DBS DVD/LD V818 MODEL TV/LD DVD INPUT INPUT 11 V2 OUT SW1 14 J203 3 TV SW3 4 5 LD SW4 6 80 V INH 83 V-E SW2 10 81 V-A 82 V-B 9 V2 IN
60 61 62 97 STEREO TUNER MUTE AUTO STOP DATA
57 58 56 CLOCK LATCH DATA
111110109 C A B
76 78 77 2 SWDT SCLK RESET XLAT
75 67 ERROR SRDT
14 ANALOG/DIG
16 15 17 SCDOUT SCCLK CS
20 RESET
19 INTREQ
18 SCDIN
25 32 AD0 AD7
35 HA0
21 22 24 XHDCS XHDRD XHDWR
36 XRST
23 37 SOD HRDY
6 CDTO
5 CDTI
4 CCLK
3 CS
7 108 RY DIRECT PASS PD
85 FUN MUTE
49 50 48 EV CLK EV DATA EV STB
DISP DATA 52 DISP CLK 55 DISP MR 51 SREQ 53
U DATA U CLOCK U MREQ U SREQ U REST RY POWER STOP SOTO SINO MD2 MD0
SYSTEM CONTROL IC1201
RESET 90 RY POWER 107 STOP 64 SOTO 10 SINO 9 MD2 87 XI XO 92 MD0 89 93
D
CH, SP, MY MODEL Y SWITCH IC252 Y TV/LD C J253 Y DVD C C SWITCH IC251 J252 VIDEO 1 INPUT C Y 3 5 TV LD V1 O 15 SW1 14 SW2 10 SW3 4 SW4 6 MO 1 C 5 LD 3 TV V1 O 15 SW1 14 SW2 10 SW3 4 SW4 6 C Y
X1201 4MHz
J252 VIDEO 1
OUTPUT · RCH is omitted · Signal Path : FM : PHONO
13 V1 I MO 1 Y
J251 MONITOR
OUTPUT
: CD
: DIGITAL
13 V1 I
16
· Abbreviation CND :Canadian EA :Saudi Arabia MY :Malaysia SP :Singapore CH :Chinese AUS :Australian
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STR-DE825/V818
3-3. BLOCK DIAGRAM POWER SECTION
POWER AMP(L) IC501 +B -B 13 VCC 14 VCC +VE 15 VEE LIMITER Q504 L 6 IN NF 5 LIMITER Q505 -VE 3 BOOSTER Q507 CUR DET Q508 Q511 PROTECTOR Q509,510 RELAY DRIVE Q546 2 BOOSTER Q506 RELAY DRIVE Q601 RY602
R CH
J701 PHONES
· RCH is omitted L RY501 · Signal Path TM501 FRONT SPEAKER R :FM :CD
1
MUT
POWER AMP(C/W) IC601 +B -B C 13 VCC 14 VCC +VE 15 VEE 8 IN NF 9 LIMITER Q605 -VE 1 W 6 MUT +VE IN -VE 2 3 11 BOOSTER Q607 CUR DET Q608 Q611 PROTECTOR Q609,610 LIMITER Q604 12 BOOSTER Q606
D1202
RY502 RELAY DRIVE Q596 R CH
C
D1203
RY601
RELAY DRIVE Q645
S(L) S(R) R CH
TM701 SURROUND SPEAKER IC404 TU +5V J501 WOOFER IC403 TU +12V 3 +12V 1 REG IC401 +15V 1 +15V 3 REG IC402 1 +5V REG 3
A
· Abbreviation CND :Canadian MY :Malaysia SP :Singapore CH :Chinese AUS :Australian
RY503
POWER AMP(SL) IC701 +B -B 13 VCC 14 VCC +VE 15 VEE LIMITER Q704 SL 6 IN NF 5 LIMITER Q705 -VE AC MUTE MUTE Q501,503 3 BOOSTER Q707 CUR DET Q708 2 BOOSTER Q706 R CH RELAY DRIVE Q544
CNJ701
WIRELESS REAR SPEAKER
-15V
3
-15V REG
2
RY701
RELAY DRIVE Q749 3
IC702 +18V 1 REG SWITCH Q747,748
1
MUT
PROTECTOR Q547-549
T901 D801 F801
PROTECTOR +B RY HP RY FRONT A FRONT B -B RY CENTER RY WOOFER RY REAR IC809 S501 IMPEDANCE SELECTOR RY POWER STOP
URESET USREQ UMREQ
Q801 SWITCH Q614,618 +32V +32V REG F802
B
SWITCH Q612,615
SWITCH Q613,616
INV SW Q617 +24V 3
D802-805
F803
8 4
1
+5V REG
F804
-24V IC801 D111-113 D116-118 D100,108 D119,122 D5V 3 5V REG IC802 D3.3V 3 +3.3V 1 REG IC803 LED DRIVE Q109,110 LED DRIVE Q114,115 LED DRIVE Q111-113 Q118-116 3 4 5 10 9 8 LED DRIVE Q102 LED DRIVE Q103,104 Q106 16 15 14 LED DRIVE Q107,108 Q119,122 92 89 87 91 D3.3V X101 IC101 Q101 SIRCS 26 REMOTO CONTROL RECEIVER +5.6V RESET Q105 3 STOP 47 8 POWER CONT IC901 6 RESET Q181 IC180 I/R DET Q183,184 LED DRIVE D184-186 D901-904 DELAY +B SW Q902 T902 RELAY DRIVE Q901 3 +3.3V 1 REG 1 D808
F805
D109,110
D114,115
D101
D104-106
D
UCLOCK UDATA SOTO SINO MD2 MD0
F2
F901
F1
RY901
MY,SP,AUS,CH MODEL F903
MY,SP,AUS MODEL CNJ901
49 51 20 19
61 62 60
59
1
2
6
7
90
82
83
MD0
MD2
SINO
UCLOCK
UMREQ
LED CD
USEQ
LED EQ
UP
8 MOTOR DRIVE 7
3 2
55 UP 56 DOWN 88 LED VOL
LED DOLBY DIGITAL
LED SOUND FIELD
LED MD/DAT
LED ON/OFF
LED INDEX
LED MUTE
LED PHONO
LED SUR
LED V1
LED V2
LED V3
LED DVD/LD
LED BASS B
LED TV/DBS
LED TUNER
SOTO
LED TAPE
UDATA
XO
XI
IC106
US,CND MODEL JW925
B
DOWN LED VOL
URESET 58 RESET 77
US,CND,CH MODEL CNJ901
POWER KEY
MODE CONTROL IC102
ABUS OUT
VIDEO 1
VIDEO 2
FL DAT
ABUS A1 IN
FL CLEAR
AD KEY1
AD KEY2
AD KEY3
AD KEY4
AD KEY5
AD KEY6
FL CLK
FL LAT
M BUS
SP A
SP B
LAT
TV
5 CNP901 AC IN
US,CND, AUS MODEL
Q253 J258 TV/DBS ST-I/O IC251 6 4 BUFFER
95 96 93 94
38
39
40
41
43
44
72
73
74
21 24 25
24
67
63
98
5 FUNCTION KEY FUNCTION KEY FUNCTION KEY FUNCTION KEY S102 MUTING FUNCTION KEY S140-145,147 FUNCTION KEY S132,133 S135-139,146 SPEAKER SWITCH S134 S131 POWER 34 26 24 29 4 5 30 Q180 I/O BUFFER Q182 I/O BUFFER
I/R CONT IC181
14
J257 MONITOR Q251,252 SWITCH J255 VIDEO 1 Q255,256 LEVEL CONTROL J256 VIDEO 2 Q257,258 LEVEL CONTROL Q254 LEVEL CONTROL 16 5 6 3 2 1 IC254 IC254 7
11
11 12 15 16
CLR
CLK
CLK
CL
LAT
DIN 29 IC104 FL DRIVE F2
3 DOUT IC105 FL DRIVE F1
DIN
LS
S106,110,114,118 S105,109,113,117 S104,108,112 S103,107,111 S122,126,128,130 S121,125,127,129 S116,120,124 S115,119,122
33 2
X102 7.28MHz J204 S-LINK
FL101 FLOURESCENT INDICATOR TUBE
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STR-DE825/V818
3-5. SCHEMATIC DIAGRAM -- AMP SECTION --
-- 15 --
-- 16 --
STR-DE825/V818
3-7. SCHEMATIC DIAGRAM -- VIDEO SECTION --
· See pages 60 for IC Block Diagrams.
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-- 20 --
STR-DE825/V818
3-9. SCHEMATIC DIAGRAM -- AUDIO SECTION --
-- 23 --
-- 24 --
STR-DE825/V818
3-11. SCHEMATIC DIAGRAM -- INPUT SECTION --
· See page 60 for IC Block Diagrams.
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-- 28 --
STR-DE825/V818
3-12. PRINTED WIRING BOARD -- DISPLAY SECTION --
· Semiconductor · See page 7 for Circuit Boards Location.
Location
Ref. No. D100 D101 D102 D103 D104 D105 D106 D108 D109 D110 D111 D112 D113 D114 D115 D116 D117 D118 D119 D120 D121 D122 D180 D181 D182 D183 D184 D185 D186 IC101 IC102 IC103 IC104 IC105 IC180 IC181 Q101 Q102 Q103 Q104 Q105 Q106 Q107 Q108 Q109 Q110 Q111 Q112 Q113 Q114 Q115 Q116 Q117 Q118 Q119 Q120 Q122 Q180 Q181 Q182 Q183 Q184 Location H-2 E-2 B-13 B-9 C-12 C-12 C-12 C-3 J-6 J-7 J-7 J-8 J-9 I-6 I-7 I-7 I-8 I-9 D-3 I-13 I-14 C-3 B-3 D-13 E-11 E-11 C-11 C-12 C-11 C-4 D-6 C-1 D-8 C-7 E-12 E-13 C-4 B-4 B-11 B-11 C-4 B-11 B-6 B-4 B-11 B-11 B-12 B-12 B-12 B-12 B-12 B-12 B-13 B-13 B-4 B-4 B-3 B-3 C-14 C-14 C-13 C-13
1 A
2
3
4
(Page 43)
5
6
7
8
9
10
(Page 43)
11
12
13
14
15
B
DISPLAY BOARD
(Page 17)
Z
C
E
2 1 7 C123 E E E E E E C124 1
MULTI CURSOR CONTROL
B
E
E
E E E E E E E E E
1
64
E
C
(Page 21)
1 9 CNS107 1 4
E
(SOUND FIELD)
(SURROUND)
R122
A
D
(EQ)
E
3
1
51
50
(EQUALIZER)
E
(INDEX)
E
(BASS BOOST)
31 80 81 30 23 33 22 12 11 44 1
E
1
5
100
MUTING
1
MY,SP,CH MODEL
EXCEPT CH MODEL
DISPLAY
34
E
1-670-014CH MODEL
PRESET TUNING
TUNING
MEMORY
FM/AM
FM MODE
SLEEP
F
L.B BOARD
11 (11)
4 1 4 1
CH MODEL MY,SP,CH MODEL EXCEPT MY,SP,CH MODEL
4
1
4
1
1-670-00811
4
3
2
1
(11)
G
1
LED BOARD
2 (MULTI CHANNEL DECODING)
SP SW BOARD
11 (11)
SPEAKERS B A OFF A+B
1-670-007-
H
1
2
3
4
5
SET UP
SW BOARD
1 4 1 4
TAPE/MD
CD
TUNER
PHONO
1 1
INPUT MODE EQ ON/OFF SOUND FIELD GENRE MODE
4 1
BASS BOOST SOUND FIELD ON/OFF
4
CURSOR MODE
I
VIDEO 1 VIDEO 2 DVD/LD TV/DBS
SHIFT
6
7
8
9
0
J
DIRECT TUNING
1
2
3
4
5
11 1-670-00916 (11) 11 1-670-010(11)
K
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STR-DE825/V818
3-13. SCHEMATIC DIAGRAM -- DISPLAY SECTION -- · See page 8 for Waveform. · See page 51 for IC Pin Function Description. · See page 60 for IC Block Diagrams.
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STR-DE825/V818
3-15. SCHEMATIC DIAGRAM -- SPEAKER SECTION --
-- 35 --
-- 36 --
STR-DE825/V818
3-17. SCHEMATIC DIAGRAM -- POWER SECTION --
· See page 60 for IC Block Diagrams.
-- 39 --
-- 40 --
STR-DE825/V818
3-20. SCHEMATIC DIAGRAM -- DIGITAL SECTION (1/3)-- · See page 51 for IC Pin Functions. · See page 60 for IC Block Diagrams.
-- 45 --
-- 46 --
STR-DE825/V818
3-21. SCHEMATIC DIAGRAM -- DIGITAL SECTION (2/3)-- · See page 51 for IC Pin Functions. · See page 8 for Waveforms.
-- 47 --
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STR-DE825/V818
3-22. SCHEMATIC DIAGRAM -- DIGITAL SECTION (3/3)-- · See page 51 for IC Pin Functions. · See page 8 for Waveforms. · See page 60 for IC Block Diagrams.
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