Sony STR-DE895 - Fm Stereo/fm-am Receiver User manual
1
SERVICE MANUAL
US Model
STR-DE895/DE995
Canadian Model
STR-DE995
E Model
STR-DE895
STR-DE895/DE995
FM STEREO/FM-AM RECEIVER
AUDIO POWER SPECIFICATIONS
POWER OUTPUTAND 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 (Models of area
code US only).
Amplifier section
POWER OUTPUT
Models of area code US, CND
Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
100 W + 100 W
Reference Power Output
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
FRONT 1) : 100 W/ch
CENTER1) : 100 W
SURR1) : 100 W/ch
SURR BACK 1) : 100 W/ch3) or 100 W4)
(8 ohms 1 kHz, THD 0.7 %)
FRONT 1) : 110 W/ch
CENTER1) : 110 W
SURR1) : 110 W/ch
SURR BACK 1) : 110 W/ch3) or 110 W 4)
SPECIFICATIONS
Models of area code E2, E3, MX
Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %)
110 W + 110 W 2)
Reference Power Output2)
(8 ohms 1 kHz, THD 10 %)
FRONT 1) : 130 W/ch
CENTER1) : 130 W
SURR 1) : 130 W/ch
SURR BACK 1) : 130 W/ch 3) or 130 W 4)
1) Depending on the sound field settings and the
source, there may be no sound output.
2) Measured under the following conditions:
Area code Power requirements
E2, E3 240 V AC, 50 Hz
3) STR-DE995 only.
4) STR-DE895 only.
Ver 1.0 2003. 06
9-877-446-01
2003F04-1
© 2003. 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 Extended Surround” and “Neo:6” are
trademarks of Digital Theater Systems, Inc.
– Continued on next page –
Photo: STR-DE895
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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2
STR-DE895/DE995
Frequency response
PHONO RIAA equalization curve
±0.5 dB
MULTI CH IN (1, 2), 10 Hz – 70 kHz
CD/SACD, TV/SAT, +0.5/–2 dB (with sound
MD/TAPE, DVD, field and equalizer
VIDEO 1, 2, 3 bypassed)
Inputs (Analog)
PHONO Sensitivity: 8 mV
Impedance: 50 kilohms
S/N 5): 86 dB (A, 8 mV 6))
MULTI CH IN (1, 2), Sensitivity: 500 mV
CD/SACD, TV/SAT, Impedance: 50 kilohms
MD/TAPE, DVD, S/N 5) : 96 dB
VIDEO 1, 2, 3 (A, 500 mV 6) )
5) INPUT SHORT (with sound field and equalizer
bypassed).
6) Weighted network, input level.
Inputs (Digital)
DVD (Coaxial) Sensitivity: –
Impedance: 75 ohms
S/N: 100 dB
(A, 20 kHz LPF)
TV/SAT, CD/SACD, Sensitivity: –
MD/TAPE, VIDEO 3 Impedance: –
(Optical) S/N: 100 dB
(A, 20 kHz LPF)
Outputs (Analog)
MD/TAPE (OUT), Voltage: 500 mV
VIDEO 1, 2 Impedance: 10 kilohms
(AUDIO OUT)
SUB WOOFER Voltage: 2 V
Impedance: 1 kilohms
Outputs (Digital)
MD/TAPE (Optical) Sensitivity: –
EQUALIZER
Gain levels: ±10 dB, 0.5 dB step
FM tuner section
Tuning range 87.5 - 108.0 MHz
Antenna terminals 75 ohms, unbalanced
Intermediate Frequency 10.7 MHz
Sensitivity
Mono: 18.3 dBf, 2.2 µV/75 ohms
Stereo: 38.3 dBf, 22.5 µV/75 ohms
Usable sensitivity 11.2 dBf, 1 µV/75 ohms
S/N
Mono: 76 dB
Stereo: 70 dB
Harmonic distortion at 1 kHz
Mono: 0.3%
Stereo: 0.5%
Separation 45 dB at 1 kHz
Frequency response 30 Hz – 15 kHz,
+0.5/–2 dB
Selectivity 60 dB at 400 kHz
AM tuner section
Tuning range
Models of area code US, CND
With 10-kHz tuning scale: 530 – 1710 kHz7)
With 9-kHz tuning scale: 531 – 1710 kHz7)
Models of area code E2, E3
With 10-kHz tuning scale: 530 – 1610 kHz7)
With 9-kHz tuning scale: 531 – 1602 kHz7)
Models of area code MX
With 10-kHz tuning scale: 530 – 1610 kHz
Antenna Loop antenna
Intermediate frequency 450 kHz
Usable sensitivity 50 dB/m (at 1,000 kHz or
999 kHz)
S/N 54 dB (at 50 mV/m)
Harmonic distortion 0.5 % (50 mV/m, 400 Hz)
Selectivity
At 9 kHz: 35 dB
At 10 kHz: 40 dB
7) You can change the AM tuning scale to 9 kHz or
10 kHz. After tuning in any AM station, turn off
the receiver. Hold down PRESET TUNING + and
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
Video: 1 Vp-p, 75 ohms
S-video: Y: 1 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
Component Video:
Y: 1 Vp-p, 75 ohms
PB/B-Y: 0.7 Vp-p, 75 ohms
PR/R-Y: 0.7 Vp-p, 75 ohms
Outputs
Video: 1 Vp-p, 75 ohms
S-video: Y: 1 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
Component Video:
Y: 1 Vp-p, 75 ohms
PB/B-Y: 0.7 Vp-p, 75 ohms
PR/R-Y: 0.7 Vp-p, 75 ohms
General
Power requirements
Area code Power requirements
US, CND, MX 120 V AC, 60 Hz
E2, E3 120/220/240 V AC, 50/60 Hz
Power consumption
Area code Power consumption
US STR-DE995: 300 W
STR-DE895: 265 W
CND 410 VA
E2, E3, MX 265 W
Power consumption (during standby mode)
0.3 W (when “POWER SAVE” in the
CUSTOMIZE menu is set to “ON”)
AC outlets 2 switched, 120 W/1 A MAX
(Models of area code US, CND)
1 switched, 100 W MAX
(Models of other area code)
Dimensions 430 ×159 ×324 mm
(16 7/8 ×6 2/8 ×12 6/8 in.)
including projecting parts
and controls
Mass (Approx.) 10.6 kg (23 lb 6 oz) (STR-DE995)
9.7 kg (21 lb 7 oz) (STR-DE895)
Supplied accessories
FM wire antenna (1)
AM loop antenna (1)
Remote commander (1)
• RM-LG112 (STR-DE995 models of area code US only)
• RM-PG412 (Models of other area code)
R6 (size-AA) batteries (2)
Design and specifications are subject to change
without notice.
•Abbreviation
CND : Canadian model
E2 : AC 120V area in E model
E3 : AC 240V area in E model
MX : Mexican model
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TEL 13942296513 QQ 376315150 892498299
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3
STR-DE895/DE995
MODEL IDENTIFICATION
— BACK PANEL —
Part No.
MODEL PART No.
STR-DE995: US 4-244-815-0s
STR-DE995: Canadian 4-244-815-1s
STR-DE895: US 4-244-815-2s
STR-DE895: E2, E3 4-244-815-4s
STR-DE895: Mexican 4-244-815-5s
1.5 k
Ω
0.15 µFAC
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:
Checkthe antennaterminals, metal trim,“metallized” knobs,screws,
and all other exposed metal parts forAC 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 VAC range are suit-
able. (See Fig. A)
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0OR DOTTED LINE
WITH MARK 0ON 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.
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!!
LES COMPOSANTS IDENTIFIÉS PAR UNE MARQUE 0SUR LES
DIAGRAMMESSCHÉMATIQUES ETLALISTE DES PIÈCESSONT
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.
Fig. A. Using an AC voltmeter to check AC leakage.
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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4
TABLE OF CONTENTS
1. GENERAL
Main unit (STR-DE995 only).................................................. 5
Main unit (STR-DE895 only).................................................. 6
Remote button description (RM-PG412) ................................ 7
Remote button description (RM-LG112) ................................ 8
2. DISASSEMBLY
2-1. Case ..................................................................................... 9
2-2. Front Panel Section ...........................................................10
2-3. Back Panel......................................................................... 10
2-4. Digital Board ..................................................................... 11
2-5. Main Board ....................................................................... 11
2-6. Standby Board ................................................................... 12
3. TEST MODE ..................................................................... 13
4. DIAGRAMS
4-1. IC Pin Descriptions ........................................................... 14
4-2. Block Diagram – Tuner/Audio Section –.......................... 19
4-3. Block Diagram – Digital Section – ................................... 20
4-4. Block Diagram – Video Section – ..................................... 21
4-5. Block Diagram – Key/Display Section – .......................... 22
4-6. Block Diagram – OSD Section – ...................................... 23
4-7. Block Diagram – Power Section – ....................................24
4-8. Circuit Boards Location .................................................... 25
4-9. Schematic Diagram – Main Section (1/3) – ...................... 26
4-10. Schematic Diagram – Main Section (2/3) – ...................... 27
4-11. Schematic Diagram – Main Section (3/3) – ...................... 28
4-12. Printed Wiring Board – Main Section – ............................ 29
4-13. Printed Wiring Boards
– Speaker B/Headphone Section – .................................... 30
4-14. Schematic Diagram – Speaker B/Headphone Section – ... 31
4-15. Printed Wiring Board – Digital Section (1/2) – ................ 32
4-16. Printed Wiring Boards – Digital Section (2/2) – ............... 33
4-17. Schematic Diagram – Digital Section (1/3) – ................... 34
4-18. Schematic Diagram – Digital Section (2/3) – ................... 35
4-19. Schematic Diagram – Digital Section (3/3) – ................... 36
4-20. Printed Wiring Boards – Audio Section – ......................... 37
4-21. Schematic Diagram – Audio Section – ............................. 38
4-22. Printed Wiring Board – S-video Section – ........................ 39
4-23. Schematic Diagram – S-video Section –........................... 40
4-24. Printed Wiring Board – Video Section (DE895) – ............ 41
4-25. Printed Wiring Board – Video Section (DE995) – ............ 42
4-26. Schematic Diagram – Video Section –.............................. 43
4-27. Printed Wiring Board
– Up Convert Section (DE995) – ...................................... 44
4-28. Schematic Diagram – Up Convert Section (DE995) –...... 45
4-29. Printed Wiring Boards – Display Section – ...................... 46
4-30. Schematic Diagram – Display Section –........................... 47
4-31. Printed Wiring Boards – Power Section –......................... 48
4-32. Schematic Diagram – Power Section – ............................. 49
4-33. IC Block Diagrams............................................................ 50
5. EXPLODED VIEWS
5-1. Case Section ...................................................................... 53
5-2. Front Panel Section ...........................................................54
5-3. Chassis Section-1 .............................................................. 55
5-4. Chassis Section-2 .............................................................. 56
6. ELECTRICAL PARTS LIST ........................................ 57
STR-DE895/DE995
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9
STR-DE895/DE995
Note : This set can be disassemble according to the following sequence.
SECTION 2
DISASSEMBLY
2-1. CASE
2-1. CASE
(Page 9)
2-2. FRONT PANEL SECTION
(Page 10) 2-3. BACK PANEL
(Page 10)
SET
2-6. STANDBY BOARD
(Page 12) 2-4. DIGITAL BOARD
(Page 11)
2-5. MAIN BOARD
(Page 11)
Note : Follow the disassembly procedure in the numerical order given.
1
two screws
(case 3 TP2)
2
three screws
(case 3 TP2)
3
two screws
(case 3 TP2)
4
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TEL 13942296513 QQ 376315150 892498299
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10
STR-DE895/DE995
2-2. FRONT PANEL SECTION
2-3. BACK PANEL
9
front panel section
8
6
two screws
(BVTP3 x 8)
2
CNP701
7
five screws
(BVTP3 x 8)
1
CNS505
3
CNP50
8
4
CNP205
5
CNP210
1
CNS509
2
CNS508
4
CNP901
5
CNP851
6
CNP852
7
CNP207
8
CNP812
3
CNP205
qj
CNP210
qs
four screws
(BVTP3 x 8)
qd
five screws
(BVTP3 x 8
)
qf
four screws
(BVTP3 x 8)
qg
two screws
(BVTP3 x 8)
0
two screws
(BVTP3 x 8)
9
screw
(BVTP3 x 8)
qa
screw
(BVTP3 x 8)
qk
back panel
qh
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TEL 13942296513 QQ 376315150 892498299
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11
STR-DE895/DE995
2-4. DIGITAL BOARD
1
CNS505
7
2
CNP506
3
CNP510
4
CNP507
8
screw (BVTP3 x 8)
9
bracket (digital)
0
DIGITAL board
6
screw (BVTP3 x 8)
5
CNP508
0
MAIN board
5
RETAINER board
1
CNP802
2
CNP908
3
CNP813
4
screw
(BVTP3 x 8)
9
screw
(BVTP3 x 6)
6
two screws
(BVTP3 x 6)
7
two screws
(BVTP3 x 6)
8
two screws
(BVTP3 x 6)
2-5. MAIN BOARD
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13
STR-DE895/DE995
SECTION 3
TEST MODE
FACTORY PRESET MODE
* All preset contents are reset to the default setting.
* Procedure:
While depressing the [MOVIE] and the [MAIN MENU] buttons
simultaneously, press the ?/1 button to turn on the main power.
The message “MEMORY CLEARING” and “MEMORY
CLEARED!” appears for a moment and the present contents are
reset to the default values.
AM CHANNEL STEP 9 kHz/10 kHz SELECTION
MODE (Except Mexican model)
* Either the 9 kHz step or 10 kHz step can be selected for the AM
channel step.
* Procedure:
While depressing the [PRESET TUNING +] button or the [TUNING
+] button, press the ?/1 button to turn on the main power.
Either the message “AM 9kHz Step” or “AM 10kHz Step”
appears for a moment and select the desired step.
FLUORESCENT INDICATOR TUBE 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 [SB DECODING] (DE895), the [SURR BACK
DECODING] (DE995) and the [DISPLAY] buttons simultaneously,
press the ?/1 button to turn on the main power.
1. ALL segments light on.
[MULTI CHANNEL DECODING], [VIDEO 1], [VIDEO 2], [VIDEO
3], [DVD] and [TV/SAT] LED light on.
2. Press the [DIMMER] button, confirm display.
[SURR BACK DECODING], [MD/TAPE],[CD/SACD],[TUNER FM/
AM] and [PHONO] LED light on.
3. Press the [DIMMER] button, confirm display.
[2CH], [A.F.D.], [MOVIE] and [MUSIC] LED light on.
4. Press the [DIMMER] button, all segments and all LEDs light on.
5. Every pressing the [DIMMER] button turns on each segment and
LED one after another in the same order.
SLEEP SP.A SP.B NIGHT
MULTI IN CH A.DIRECT D.RANGE EQ NEO:6 MPEG RDS STEREO
OPT
COAX
D.ASSIGN
-2AAC221CH
MODE DIGITAL EX PRO LOGIC DTS -ES MONO MEMORY96/24II
SW L C R
SLLFE S SR
SBL SB SBR
D
D
D
D
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 “S.F. Initialize” appears for a moment.
SOFTWARE VERSION DISPLAY MODE
* The software version is displayed.
* Procedure:
While depressing the [A.F.D.] and the [DISPLAY] buttons
simultaneously, press the ?/1 button to turn on the main power.
The model name, the destination and the software version are
displayed for a moment.
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 “COM MODE [AV1]” or “COM MODE
[AV2]” appears for a moment and select the desired mode.
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TEL 13942296513 QQ 376315150 892498299
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14
STR-DE895/DE995 SECTION 4
DIAGRAMS
4-1. IC PIN DESCRIPTIONS
• IC1501 CXD9718Q (DSP) (DIGITAL Board (2/3))
Pin No. Pin Name I/O Pin Description
1VSS — Ground
2XRST I Reset signal input from SYSTEM CONTROL IC
3EXTIN I Not used (Connect to ground)
4LRCKI3 I Not used (Connect to ground)
5VDDI I Power supply pin (+2.6 V)
6BCKI3 I Not used (Connect to ground)
7PLOCK O PLL lock signal output for SYSTEM CONTROL IC
8VSS — Ground
9MCLK1 I Clock signal input (13.5 MHz)
10 VDDI I Power supply pin (+2.6 V)
11 VSS — Ground
12 MCLK2 O Clock signal output (13.5 MHz)
13 MS I Not used (Fixed at L)
14 SCKOUT O Internal system clock signal output for 2CH/6CH DAC IC
15 LRCKI1 I Sampling clock signal input from ADC IC
16 VDDE I Power supply pin (+3.3V)
17 BCKI1 I Bit clock signal input from ADC IC
18 SDI1 I Audio IF data input from ADC IC
19 LRCKO O Sampling clock signal output for 2CH/6CH DAC IC
20 BCKO O Bit clock signal output for 2CH/6CH DAC IC
21 VSS — Ground
22 KFSIO I/O Audio clock signal (384fs/256fs) input/output for DIR IC
23 to 25 SDO1 to SDO3 O Digital audio serial data output for 6CH DAC IC
26 SDO4 O Digital audio serial data output for 2CH DAC IC
27 SPDIF O Not used (Open)
28 LRCKI2 I Sampling clock signal input from ADC IC
29 BCKI2 I Bit clock signal input from ADC IC
30 SDI2 I Digital audio serial data input from DIR IC
31 VSS — Ground
32 HACN O Acknowledge signal output for SYSTEM CONTROL IC
33 HDIN I Serial data input from SYSTEM CONTROL IC
34 HCLK I Clock signal input from SYSTEM CONTROL IC
35 HDOUT O Serial data output for SYSTEM CONTROL IC
36 HCS I Chip select signal input from SYSTEM CONTROL IC
37 GP12 O GP12 signal output for SYSTEM CONTROL IC
38, 39 GP13, GP14 O Not used (Open)
40 VDDI I Power supply pin (+2.6 V)
41 VSS — Ground
42 GP15 O Not used (Open)
43 OE0 O Not used (Open)
44 CS0 O External memory chip select signal output for D/A converter IC (SRAM)
45 WE0 O SRAM write enable signal output for D/A converter IC
46 VDDE I Power supply pin (+3.3V)
47 WMD1 I Not used (Fixed at H)
48 VSS — Ground
49 WMD0 I Not used (Fixed at H)
50 PAGE2 O Not used (Open)
51 VSS — Ground
52, 53 PAGE1, PAGE0 O Not used (Open)
54 BOOT I Not used (Connect to ground)
55 TST1 O Not used (Open)
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TEL 13942296513 QQ 376315150 892498299
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15
STR-DE895/DE995
Pin No. Pin Name I/O Pin Description
56 BST I Boot stop signal input from SYSTEM CONTROL IC
57 MOD1 I Operation mode signal input (L: 386fs, H: 256fs) (Fixed at H)
58 MOD0 I Operation mode signal input (L: single chip mode, H: use prohibited) (Fixed at L)
59 EXLOCK I Error detection signal input from DIR IC
60 VDDI I Power supply pin (+2.6 V)
61 VSS — Ground
62, 63 A17, A16 O Not used (Open)
64 to 66 A15 to A13 O External memory address signal output for D/A converter IC (SRAM)
67 GP10 O Not used (Open)
68 GP9 O GP9 signal output for SYSTEM CONTROL IC
69 GP8 I Audio signal input from DIR IC
70 VDDI I Power supply pin (+2.6 V)
71 VSS — Ground
72 to 75 D15/GP7 to D12/GP4 I/O External memory data input/output for D/A converter IC (general port)
76 VDDE I Power supply pin (+3.3 V)
77 to 80 D11/GP3 to D8/GP0 I/O External memory data input/output for D/A converter IC (general port)
81 VSS — Ground
82 A9 O External memory address signal output for D/A converter IC (SRAM)
83 to 85 A12 to A10 O External memory address signal output for D/A converter IC (SRAM)
86 TDO O Not used (Fixed at H)
87 TMS I Not used (Fixed at H)
88 XTRST I Not used (Fixed at H)
89 TCK I Not used (Fixed at H)
90 TDI I Not used (Fixed at H)
91 VSS — Ground
92 to 97 A8 to A3 O External memory address signal output for D/A converter IC (SRAM)
98, 99 D7, D6 I/O External memory data input/output for D/A converter IC (SRAM)
100 VDDI I Power supply pin (+2.6 V)
101 VSS — Ground
102 to 105 D5 to D2 I/O External memory data input/output for D/A converter IC (SRAM)
106 VDDE I Power supply pin (+3.3V)
107, 108 D1, D0 I/O External memory data input/output for D/A converter IC (SRAM)
109, 110 A2, A1 O External memory address signal output for D/A converter IC (SRAM)
111 VSS — Ground
112 A0 O External memory address signal output for D/A converter IC (SRAM)
113 PM I PLL initialization signal input from SYSTEM CONTROL IC
114, 115 SDI3, SDI4 I Not used (Open)
116 SYNC I Sync/async select signal input (L: sync, H: async) (Fixed at H)
117 TST2 I Not used (Connect to ground)
118 GP11 I Not used (Connect to ground)
119 TST3 I Not used (Connect to ground)
120 VDDI I Power supply pin (+2.6 V)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
16
STR-DE895/DE995
• IC1101 MB91154PFV-G-113-BNDE1 (SYSTEM CONTROL) (DIGITAL Board (3/3))
Pin No. Pin Name I/O Pin Description
1[7.1_DAT] O MULTI CH IN DATA
2[7.1_CLK] O MULTI CH IN CLOCK
3[006_LAT] O TC9273_006 LATCH
4[011_LAT] O TC9273_011 LATCH
5LED_DRV_DATA O LED DATA
6LED_DRV_CLK O LED CLOCK
7LED_DRV_CLR O LED CLEAR
8LED_DRV_CE O LED LATCH
9VSS — Ground
10 FUNCTION_JOG_1B I FUNCTION JOG 1B
11 FUNCTION_JOG_1A I FUNCTION JOG 1A
12 CURSOR_JOG_3B I CURSOR JOG 3B
13 CURSOR_JOG_3A I CURSOR JOG 3A
14 MENU_JOG_4B I MENU JOG 4B (DE995 only)
15 MENU_JOG_4A I MENU JOG 4A (DE995 only)
16 VOL_JOG_2B I VOLUME JOG 2B
17 VOL_JOG_2A I VOLUME JOG 2A
18 SP_A_RY O SPEAKER A RELAY CONTROL
19 SP_B_RY O SPEAKER B RELAY CONTROL
20 CENTER_RY O CENTER RELAY CONTROL
21 REAR_RY O REAR CH RELAY CONTROL
22 WOOFER_RY O WOOFER RELAY CONTROL
23 PROTECTOR I PROTECTOR CIRCUIT
24 HP_CTRL I HP DETECTION SW
25 PW_RY O POWER RELAY CONTROL
26 VSS — Ground
27 VCC — Power supply pin (+3.2 V)
28 TUNER_STEREO I TUNER STEREO IN
29 TUNER_AUTO_STOP I TUNER AUTO STOP IN
30 TUNER_MUTE O TUNER MUTE
31 TUNER_DO I TUNER DO
32 T.SERIAL_CLK O TUNER SERIAL CLOCK
33 T.DATA O TUNER DATA
34 T.LAT O TUNER LATCH
35 RDS_DATA I RDS DATA (Fixed at L)
36 to 39 V.SW1 to V.SW4 O VIDEO SWITCH 1 to 4
40 SB RY O SURR BACK RELAY CONTROL
41 2ND_RY O 2ND ROOM RELAY CONTROL (DE995 only)
42 HP_RY O HP RELAY CONTROL
43 SUB-T O SUB TRANSFORMER VOLT O/P
44 VSS — Ground
45 BRIDGEABLE RY O BRIDGEABLE RELAY CONTROL
46 FUSE DETECT I Not used (Fixed at H)
47 TC74HCT153_B O OPTICAL INPUT SW B
48 TC74HCT153_A O OPTICAL INPUT SW A
49 [GP12] I DSP1 IC GP12
50 [INPUT SENSITIVITY IVOL GAIN OPTION (Fixed at L)
SELECTION]
51 NO USED — Not used (Fixed at L)
52 MD2 — FLASH PROGRAMMING
53 MD1 — FLASH PROGRAMMING (Fixed at H)
54 MD0 — FLASH PROGRAMMING
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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17
STR-DE895/DE995
Pin No. Pin Name I/O Pin Description
55 RSTX I RESET IC
56 VCC — Power supply pin (+3.2 V)
57 X1 I System clock signal input (16.5 MHz)
58 X0 O System clock signal output (16.5 MHz)
59 VSS — Ground
60 VOLT_DETECT_STOP I VOLTAGE DOWN DETECT
61 RDS_INT I RDS CLOCK IN (Fixed at L)
62 PW_ON/OFF I POWER ON/OFF SW
63 SIRCS I REMOTE SENSOR
64, 65 NO USED — Not used (Fixed at L)
66 CTRL S OUT O CONTROL S OUT (DE995 only)
67 DIR CE O DIR CE
68 VCC — Power supply pin (+3.2 V)
69 DI I DIR DATA IN
70 D.DO O DIR DATA OUT
71 ERROR I DIR ERROR
72 XRST1 O AUDIO DSP IC RESET
73 PM1 O AUDIO DSP IC PM1
74 9718.GB9 I AUDIO DSP IC GP9
75 9718.BST1 O AUDIO DSP IC BST1
76 9718.HCS1 O AUDIO DSP IC HCS1
77 VCC — Power supply pin (+3.2 V)
78 9718.HACN1 I AUDIO DSP IC HACN1
79 9718.PLL1 I AUDIO DSP IC PLL1
80 DIR_DATAO O DIR DATA 0
81 DIR_XSTATE O DIR XSTATE
82 DIR_XMODE O DIR XMODE
83 DIR_CKSEL1 O DIR CKSEL1
84 DIR_CLK O DIR CLOCK
85 AK5380_PDN O AK5380 PDN
86 A1 IN I CONTROLA1 INPUT
87 A1 OUT O CONTROLA1 OUTPUT
88 AK4355_CSN O AK4355 CSN
89 AK4355_CDTI O AK4355 CDTI
90 AK4355_CCLK O AK4355 CCLK
91 AK4381_CSN O AK4381 CSN
92 AK4381_PDN O AK4381 PDN
93 AK4355_PDN O AK4355 PDN
94 FLASH_A — FLASH PROGRAMMING (Fixed at L)
95 FLASH_B — FLASH PROGRAMMING (Fixed at L)
96 FLASH_C — FLASH PROGRAMMING (Fixed at H)
97 VCC — Power supply pin (+3.2 V)
98 VSS — Ground
99 EEPROM.SDA I/O EEPROM
100 EEPROM.SCL I/O EEPROM
101 VSS — Ground
102 9718.HCLK O AUDIO DSP IC CLOCK
103 HDIN O AUDIO DSP DATA IN
104 HDOUT I AUDIO DSP HD OUT
105 OSD_CLK O OSD CLOCK (DE995 only)
106 OSD_DATA O OSD DATA (DE995 only)
107 OSD_LAT O OSD LATCH (DE995 only)
108 A_D O AUDIO DSP2 IC
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
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18
STR-DE895/DE995
Pin No. Pin Name I/O Pin Description
109 SOTI O FLASH PROGRAMMING
110 SINI I FLASH PROGRAMMING
111 FL_CLK O FL CLOCK
112 FL_DIN/F1 O FL DATA
113 FL_LAT/F2 O FL LATCH
114 DRV.CLR/BLUE LED O FL CLEAR
115 BST SEL — Not used (Fixed at L)
116 VOL_IC.DATA O VOL IC DATA
117 VOL_IC.CLK O VOL IC CLOCK
118 VOL_IC.LAT O VOL IC LATCH
119 AC MUTE O Not used (Fixed at L)
120 SYSTEM_MUTE O SYSTEM MUTE
121 NO USED — Not used (Fixed at L)
122 VCC — Power supply pin (+3.2 V)
123 to 125 DA2 to DA0 — Not used (Open)
126 DAVS — Ground
127 DAVC — Power supply pin (+3.2 V)
128 AVCC — Power supply pin (+3.2 V)
129 AVRH — Power supply pin (+3.2V)
130 AVRL — Ground
131 AVSS — Ground
132 to 135 AD0 to AD3 I A/D KEYS
136 AREA I Destination (AREA) initial setting input
137 RDS_SIGNAL I RDS SIGNAL (Fixed at L)
138, 139 NO USED — Not used (Fixed at L)
140 VCC2 — Power supply pin (+3.2 V)
141 BACKUP — Power supply pin (+3.2 V)
142 X0A O Not used (Connected to ground)
143 X1A I Not used (Open)
144 VSS — Ground
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TEL 13942296513 QQ 376315150 892498299
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STR-DE895/DE995
19 19
4-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
DIGITAL
SECTION
C
DIGITAL
SECTION
B
DIGITAL
SECTION
A
POWER
SECTION
D
PRE AMP
IC300
41
28
29
30
34
31
33
32
22
AUDIO
IN
VIDEO 3
INPUT
AUDIO
OUT
AUDIO
IN
LR
R-CH
LR
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
LRLR
VIDEO 2 DVD
OUT
AM
TM301
FM/AM TUNER UNIT
BUFFER
IC1142
SYSTEM
CONTROL
IC1101 (1/4)
TV/SAT
AUDIO
OUT
AUDIO
IN
AUDIO
IN
LR LRLR
J2553 J2552
L
-1 -2 -3 -4
J302
RL
MD/TAPE
OUT IN
R
R-CH
R-CH
2ND_ROOM_RY
T.LAT
T.DATA
T.SERIAL_CLK
WOOFER_RELAY
VOL_IC.DATA
VOL_IC.CLK
VOL_IC.LAT
006_LAT
7.1_DAT
7.1_CLK
011_LAT
TUNER_STEREO
TUNER_AUTO_STOP
TUNER_MUTE
TUNER_DO
L-CH
R-CH
STEREO
TUNED
MUTING
CE
DO
DATA
CLOCK
L-3
-4
R
DE995
J305 (2/2)
MUTE
Q541,591
MUTE
Q641,691
MUTE
Q491,791
RELAY
DRIVER
Q300
MUTE
Q441
MUTE
Q391
SUB
WOOFER
PRE
OUT
RELAY
DRIVER
Q351
Q410
SUB WOOFER
AMP
IC604
J2551
RY351
SBR-CH
SYSTEM MUTE
SBL-CH
C-CH
SR-CH
FR-CH
SL-CH
FL-CH
R-CH
L-CH
TU+10V
10
9
11 56
7 53
4 58
3
1
2
116
117
118
4
13
1
5
9
11
3
6
8
23
24
19
25
20
26
21
VIDEO 1
AUDIO
VIDEO 3
INPUT
LR
R-CH
AUDIO
FM 75Ω
COAXIAL
22
63
62
74
73
21 24 22
2
80
18
20
19
16 15 14
16 15 14
18 4
SUB
WOOFER
SURR
BACK
SUB
WOOFER
2ND
ZONE
LR
R-CH
R-CH
R-CH
R-CH
LR LR LR
LR
FRONT SURROUNDFRONT SURROUND
CENTER
CENTER
SURR BACK
CENTER
J303
J304
27
24
20
26
23
19
MULTI CH IN1
MULTI CH IN 2
ANTENNA
25 57
22 54
18 55
6
7
46
47
40
41
35
34
28
29
5 7
15 11 12 13 10
61
SBL
SEL
SW
SEL
C
SEL
SL
SEL
L
SEL
R-CH
R-CH
R-CH
R-CH
R-CH
R-CH
DE895
DE995
DE995
DE895
DE895
DE895 DE895
J305
(1/2)
TV/SAT
DVD/LD
VIDEO 1 OUT
VIDEO 2 OUT
VIDEO 2
VIDEO 1
VIDEO 3
6.1L
6.1SL
6.1C
7.1IL
7.1SL
7.1L
7.1SW
6.1SW
RY300
AUDIO
SELECT
IC2560
AUDIO
SELECT
IC402
AUDIO
IN
COM
DVDD
DIR
FUNCTION SELECT
IC401
AVCC
+7V+7V
LATCH
DAT
CLK
LATCH
DAT
CLK
-5 -6 -3 -4 -1 -2-5 -6 -3 -4 -1 -2
-1 -2 -3 -4 -5 -6 -1 -2 -3 -4 -5 -6
DE995
J2001
(2/2)
J2052
(2/2)
SEL
SW
MCU
I/F
3.3V
REG
Q652
3.3V
(STBY)
+7V
R-CH
SBL OUT
SW OUT
C OUT
SL OUT
L OUT
R-CH
(SBR)
R-CH
R-CH
52
51
1 3
L OUT
SL OUT
C OUT
SW
OUT
SR OUT
R OUT
• Signal path
: TUNER (FM/AM)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
(Page 20)
(Page 20)
(Page 24)
(Page 20)
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TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
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http://www.xiaoyu163.com
STR-DE895/DE995
2020
2
+5V-2
A.5V
AMP
IC1402
DSI1 SD01
SDTO 918
GP8
AUDIO 24
MCLK
11
XMCK
20
69
LRCKI1
15
BCKI1
17
KFSI0
CKOUT 13 22
BCKI2
BCK 14 29
LRCKI2
LRCK 15 28
SDI2 CS
WE
DATAO
LRCK 10
SCLK 12
23
SD02 24
SD03 25
SD04 26
SCKOUT 14
LRCKO 19
BCKO
LRCKO
MCLK
BCKO
20
X1502
13.5MHz
X1301
12.288MHz
MCLK1 9
MCLK2 12
CSO 44
WEO 45
68 56
108,107,105 -102,99,
98,80 - 77,75 - 72
24 - 27,42 - 44,
1 - 5,18 - 21
29 - 32,35 - 38,
16-13,10 - 7
112,110,109,97 - 92,
85-82,66 - 64
6
17
211336 35 33 3432
757480
37
72 7376 104 10310278
EXLOCK
GP12
PLOCK
ERROR
21
22
120
71
1
PDN
13
84 67 69 70
38 37 36 35 33 47 17
INPUT DATA
DEMODULATOR
Pa,Pb DETECTION LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION 34 59
16 30
DVD
IN
DIGITAL
(COAXIAL)
CD/SACD
IN
(OPTICAL)
OUT
IC1354
SELECTOR
IC1302
3
MD/TAPE
OUT
(OPTICAL)
IN
IC1353
1
MD/TAPE
IN
(OPTICAL)
OUT
IC1352
1
6 7
14 2
VIDEO 2
IN
(OPTICAL)
OUT
IC1351
1
VIDEO 3
DIGITAL
INPUT
(OPT)
OUT
IC2710
IC1303
DIGITAL AUDIO
I/F RECEIVER
IC1301
J1301
23 WAVE
SHAPER
3 1
+2.5V
VDDI
+3.3V
VDDE
+3.3V
VDD NC
L-IN
R-IN
SYSTEM MUTE
R-CH
AINL LPF AUDIO
I/F
A/D
CONVERTER
IC1401
DSP
IC1501
SDRAM
IC1502
9718.GP9
DIR_DATAO
49
[GP12]
9718.HACN1
9718.BST1
9718.HCS1
XRST1
HDIN
PM1
899092939188
AK4355_CSN
AK4381_CSN
AK4355_PDN
AK4381_PDN
AK4355_CCLK
AK4355_CDTI CDTI
CCLK
PDN-2
PDN-1
CSN-2
CSN-1
HDOUT
9718.HCLK
GP9
HACN
BST
HCS
XRST
HDIN
PM
HDOUT
HCLK
DIR_CLK
DIR CE
DIR DI
D.DO
DIR_XSTATE
CLK
CE
DI
DO
BPSYNC
CKSEL1
8281
48
DIR_XMODE XMODE
XSTATE
85
AK5380-PDN
5
4
3
XOUT
DIN1
DIN2
2DOUT
DIN0
XIN
AB
SYSTEM_MUTE
Q1103
INV.
ERROR
108 A_D
Q1105
INV.
Q1104
GATE
D1105
D1106
D1103
D1301
D0-15A0-15
D0-15A0-15
SYSTEM
CONTROL
IC1101 (2/4)
TUNER/
AUDIO
SECTION
C
TUNER/
AUDIO
SECTION
B
TUNER/
AUDIO
SECTION
A
ADC
7
79
9718.PLLI
5
4
47
TC74HCT153_B
TC74HCT153_A
48
SDTI3
L OUT
C OUT
R-CH
LOUT3-
LOUT3+
ROUT3-
ROUT3+
8
2
3
18
17 1
6
5
16
15 7
AMP
IC1403
SDTI1
SL OUT
R-CH
SW OUT
LOUT1-
LOUT1+
ROUT1-
ROUT1+
6
2
3
26
25 1
6
5
24
23 7
AMP
IC1405
AMP
IC1404
SDTI2
LOUT2-
LOUT2+
ROUT2-
ROUT2+
7
MCLK
4
BICK
5
10 CSN
3PDN
11 CCLK
CDTI
12
LRCK
MCLK
BCKO
CSN-1
PDN-1
CCLK
CDTI
LRCKO 9
MCLK
1
CLK
7
DTI
8
BICK
2
CSN
6
PDN
5
LRCK
MCLK
CCLK
CDTI
BCKO
CSN-2
PDN-2
LRCKO 4
2
3
22
21 1
6
5
20
19 7
SDTI
SBL OUT
OUTL-
OUTL+
OUTR-
OUTR+
3
2
3
12
11 1
R-CH
DE995
6
5
10
97
AMP
IC1406
6CH DAC
IC1452
2CH DAC
IC1451
DAC
DAC
DAC
DAC
3
• Signal path
: TUNER (FM/AM)
: DIGITAL (AUDIO)
• R-ch is omitted due to
same as L-ch.
4-3. BLOCK DIAGRAM — DIGITAL SECTION —
(Page 19)
(Page 19)
(Page 19)
w
w
w
.
x
i
a
o
y
u
1
6
3
.
c
o
m
Q
Q
3
7
6
3
1
5
1
5
0
9
9
2
8
9
4
2
9
8
T
E
L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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