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TR-DB870
Service Manual
86 pgs8.62 Mb0

Sony STR-DB1070 - Fm Stereo/fm-am Receiver, STR-DB870, TR-DB870, TR-DB1070 Service Manual

SERVICE MANUAL
FM STEREO/FM-AM RECEIVER
SPECIFICATIONS
STR-DB870/DB1070
Photo: STR-DB870
Ver 1.0 2001.04
9-873-842-11 Sony Corporation
US Model
E Model
Chinese Model
STR-DB1070
Canadian Model
AEP Model
UK Model
STR-DB870/DB1070
– Continued on next page –
This receiver incorporates Dolby* Digital and Pro Logic Surround and the DTS** Digital Surround System. * 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.
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 (Models of area code U only).
Amplifier section
POWER OUTPUT Models of area code U, CA Rated Power Output at Stereo Mode
(8 ohms 20 Hz – 20 kHz, THD 0.09 %)
100 W + 100 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %)
90 W + 90 W
Reference Power Output
(8 ohms 20 Hz – 20 kHz, THD 0.09 %) STR-DB1070: FRONT
1)
:100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)
: 100 W
STR-DB870: FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W (4 ohms 20 Hz – 20 kHz, THD 0.09 %) STR-DB1070: FRONT:
1)
90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W
STR-DB870: FRONT
1)
:90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
Models of other area code Rated Power Output at Stereo Mode
(8 ohms 1 kHz, THD 0.7 %) STR-DB1070: 100 W + 100 W
2)
90 W + 90 W
3)
STR-DB870: 100 W + 100 W
2)
(4 ohms 1 kHz, THD 0.7 %) STR-DB1070: 90 W + 90 W
2)
80 W + 80 W
3)
STR-DB870: 100 W + 100 W
2)
Reference Power Output
2)
(8 ohms 1 kHz, THD 0.7 %) STR-DB1070: FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W
SURR BACK
1)
: 100 W
STR-DB870: FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W (4 ohms 1 kHz, THD 0.7 %) STR-DB1070: FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W
STR-DB870: FRONT
1)
: 100 W + 100 W
CENTER
1)
: 100 W
SURR
1)
: 100 W + 100 W (8 ohms 20 Hz – 20 kHz, THD 0.09 %) STR-DB1070: FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
SURR BACK
1)
: 90 W
STR-DB870: FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
(4 ohms 20 Hz – 20 kHz, THD 0.09 %) STR-DB1070: FRONT
1)
: 80 W + 80 W
CENTER
1)
: 80 W
SURR
1)
: 80 W + 80 W
SURR BACK
1)
: 80 W
STR-DB870: FRONT
1)
: 90 W + 90 W
CENTER
1)
: 90 W
SURR
1)
: 90 W + 90 W
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
E 240 V AC, 50 Hz CN, SP, CEL, KR 230 V AC, 50 Hz TW 110 V AC, 60 Hz
3) Measured under the following conditions:
Area code Power requirements
CN 220 V AC, 50 Hz
Frequency response
PHONO
CD/SACD, TAPE, MD/DAT, MD/TAPE, TV/SAT, DVD/LD, VIDEO 1, 2, 3
RIAA equalization curve ±0.5 dB
10 Hz – 100 kHz ±3 dB (with sound field, equalizer, and bass boost bypassed)
2
STR-DB870/DB1070
• Abbreviation CA : Canadian model CEL : AEP and UK models CN : Chinese model KR : Korean model
SP : Malaysia and Singapore models TW : Taiwan model U : US model
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 U, CA
With 10-kHz tuning scale: 530 – 1.710 kHz
6)
With 9-kHz tuning scale: 531 – 1.710 kHz
6)
Models of area code E
With 10-kHz tuning scale: 530 – 1.610 kHz
6)
With 9-kHz tuning scale: 531 – 1.602 kHz
6)
Models of area code CN, SP, CEL, TW, KR
With 9-kHz tuning scale: 531 – 1.602 kHz
Antenna Loop antenna 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 kHz)
Selectivity
At 9 kHz: 35 dB At 10 kHz: 40 dB
6) 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 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
Outputs
Video: 1 Vp-p, 75 ohms S-video: Y: 1 Vp-p, 75 ohms
C: 0.286 Vp-p, 75 ohms
General
Power requirements
Area code Power requirements
U, CA 120 V AC, 60 Hz CEL 230 V AC, 50/60 Hz CN, SP 220 – 230 V AC, 50/60 Hz E 120/220/240 V AC, 50/60 Hz TW 110 V AC, 60 Hz KR 220 V – 230 V AC, 60 Hz
Power consumption
Area code Power consumption
U STR-DB1070: 300 W CA STR-DB1070: 420 VA
STR-DB870: 390 VA
CEL STR-DB1070: 240 W
STR-DB870: 230 W
CN, SP, E, TW, KR STR-DB1070: 240 W
AC outlets
Area code AC outlets
U, CA 2 switched, 120 W/1A MAX SP, CEL, KR 1 switched, 100 W MAX CN, E, TW 2 switched, 100 W MAX
Dimensions 430 × 161 × 401 mm
including projecting parts and controls
Mass (Approx.) 16.0 kg
Supplied accessories
FM wire antenna (1) AM loop antenna (1)
• Models of area code U, CA Audio/video/control S connecting cord (1) Control S connecting cord (1)
• STR-DB1070 only
• Models of area code U, CA
Remote commander RM-PP505L (1) R6 (size-AA) batteries (2)
• Models of other area codes
Remote commander RM-LP205 (1) R6 (size-AA) batteries (3)
• STR-DB870 only
• Models of area code CA
Remote commander RM-PP505 (1) R6 (size-AA) batteries (2)
• Models of area code CEL
Remote commander RM-U305 (1) R6 (size-AA) batteries (2)
Design and specifications are subject to change without notice.
Inputs (Digital)
DVD/LD (Coaxial)
DVD/LD, TV/SAT, MD/DAT, MD/TAPE (Optical)
Outputs
TAPE, MD/DAT, MD/ TAPE (REC OUT), VIDEO 1, 2 (AUDIO OUT)
FRONT L/R, CENTER, SURROUND L/R, SURROUND BACK, SUB WOOFER
EQ
BASS: 99 Hz~1.0 kHz
(21 steps)
MID: 198 Hz~10 kHz
(37 steps)
TREBLE: 1.0 kHz~10 kHz
(23 steps)
Gain levels: ±10 dB, 1 dB step
FM tuner section
Tuning range 87.5 - 108.0 MHz Antenna terminals 75 ohms, unbalanced 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%
Sensitivity: – Impedance: 75 ohms S/N: 100 dB (A, 20 kHz LPF)
Sensitivity: – Impedance: – S/N: 100 dB (A, 20 kHz LPF)
Voltage: 150 mV Impedance: 1 kilohms
Voltage: 2 V Impedance: 1 kilohms
Inputs (Analog)
PHONO
MULTI CH IN (1, 2), CD/SACD, TAPE, MD/DAT, MD/TAPE, DVD/LD, TV/SAT, VIDEO 1, 2, 3
4) INPUT SHORT.
5) Weighted network, input level.
Sensitivity: 2.5 mV Impedance: 50 kilohms S/N
4)
: 86 dB (A, 2.5 mV5))
Sensitivity: 150 mV Impedance: 50 kilohms S/N4): 96 dB (A, 150 mV
5)
)
3
STR-DB870/DB1070
Notes on chip component replacement
• Never reuse a disconnected chip component.
• Notice that the minus side of a tantalum capacitor may be dam-
aged by heat.
Fig. A. Using an AC voltmeter to check AC leakage.
1.5 k
Ω
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 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 microamperes.). Leakage current can be measured by any one of three methods.
1. A commercial leaka ge tester, such as the Simpson 229 or RCA WT -540A. Follo w the manufacturers’ instructions to use these instruments.
2. A battery-operated A C milliammeter. The Data Precision 245 digital multimeter is suitable for this job.
3. Measuring the voltage drop across a resistor by means of a V OM or battery-operated A C 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 2 V A C range are suitable. (See Fig. A)
ATTENTION AU COMPOSANT AYANT RAPPORT
À LA SÉCURITÉ!
LES COMPOSANTS IDENTIFIÉS P AR UNE MARQUE 0 SUR LES DIAGRAMMES SCHÉMA TIQUES 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.
SAFETY-RELATED COMPONENT WARNING!!
COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINE WITH MARK 0 ON THE SCHEMATIC DIA GRAMS AND IN THE PARTS LIST ARE CRITICAL TO SAFE OPERATION. REPLACE THESE COMPONENTS WITH SONY PARTS WHOSE PART NUMBERS APPEAR AS SHOWN IN THIS MANU AL OR IN SUPPLEMENTS PUB­LISHED BY SONY.
4
STR-DB870/DB1070
TABLE OF CONTENTS
1. SERVICING NOTES............................................... 5
2. GENERAL ................................................................... 6
3. DISASSEMBLY
3-1. Disassembly Flow ........................................................... 8
3-2. Case ................................................................................. 9
3-3. S-VIDEO board, VIDEO Board, Tuner......................... 9
3-4. VIDEO AU Board ........................................................... 10
3-5. DIGITAL Board .............................................................. 10
3-6. MAIN Board ................................................................... 11
4. TEST MODE.............................................................. 12
5. DIAGRAMS
5-1. Note for Printed Wiring Boards
and Schematic Diagrams ................................................ 13
5-2. Schematic Diagram – DIGITAL Board (1/5) –............. 15
5-3. Schematic Diagram – DIGITAL Board (2/5) –............. 16
5-4. Schematic Diagram – DIGITAL Board (3/5) –............. 17
5-5. Schematic Diagram – DIGITAL Board (4/5) –............. 18
5-6. Schematic Diagram – DIGITAL Board (5/5) –............. 19
5-7. Printed Wiring Board
– DIGITAL Board (Component Side) – ......................... 20
5-8. Printed Wiring Board
– DIGITAL Board (Conductor Side) – ........................... 21
5-9. Printed Wiring Board – VIDEO Board –....................... 22
5-10. Schematic Diagram – VIDEO Board – ......................... 23
5-11. Printed Wiring Boards
– S-VIDEO/VIDEO AU Boards – .................................. 24
5-12. Schematic Diagram
– S-VIDEO/VIDEO AU Boards – .................................. 25
5-13. Printed Wiring Board – MAIN Board – ........................ 26
5-14. Schematic Diagram – MAIN Board (1/3) – .................. 27
5-15. Schematic Diagram – MAIN Board (2/3) – .................. 28
5-16. Schematic Diagram – MAIN Board (3/3) – .................. 29
5-17. Printed Wiring Board – BIAS Board –.......................... 30
5-18. Schematic Diagram – BIAS Board –............................. 31
5-19. Printed Wiring Boards – DISP/SW Boards –................ 32
5-20. Schematic Diagram – DISP/SW Boards – .................... 33
5-21. Printed Wiring Boards
– H.P/MUTING/POWER/SP/VIDEO 3 Boards – ......... 34
5-22. Schematic Diagram
– H.P/MUTING/POWER/SP/VIDEO 3 Boards – ......... 35
5-23. Printed Wiring Boards
– POWER SUPPLY Section – ........................................ 36
5-24. Schematic Diagram – POWER SUPPLY Section – ...... 37
5-25. IC Pin Function Description ........................................... 43
6. EXPLODED VIEWS
6-1. Case Section .................................................................... 55
6-2. Front Panel Section-1 ...................................................... 56
6-3. Front Panel Section-2 ...................................................... 57
6-4. Chassis Section-1 ............................................................ 58
6-5. Chassis Section-2 ............................................................ 59
7. ELECTRICAL PARTS LIST ............................... 60
5
STR-DB870/DB1070
SECTION 1
SERVICING NOTES
• MODEL IDENTIFICATION
– Rear Panel –
PART No.
Model PART No.
DB1070 : US model 4-233-610-0
[]
DB1070 : Canadian model 4-233-610-1
[]
DB1070 : Malaysia and
Singapore models
4-233-610-2
[]
DB1070 : Chinese model 4-233-610-3
[]
DB1070 : AEP and UK models 4-233-610-5
[]
DB1070 : 120 V AC area and
240 V AC area in E models
4-233-610-7
[]
DB1070 : Taiwan model 4-233-610-8
[]
DB1070 : Korean model 4-233-610-9
[]
DB870 : Canadian model 4-233-630-1
[]
DB870 : AEP and UK models 4-233-630-2
[]
SERVICE POSITION
In checking the DIGITAL board, prepare jig (extension cable J-2501-208-A: 200 mm 21 core).
Connect jig (extension cable J-2501-208-A
)
to the MAIN board (CN806, 807) and DIGITAL board (CN1102, 1103).
DIGITAL board
MAIN board
6
STR-DB870/DB1070
SECTION 2
GENERAL
This section is extracted from instruction manual.
•
•
ws
wf wdwhe;es wjwk
eaed
wa
wg
123 qj
4 qd567 0 qa qs qf qg qh qk ql w;8 9
wlef
eg
el
r;
rfrg
eh
ej
ekrard rs
2CH qg (30) 2ND ROOM (STR-DB1070 only)
eg (27)
6.1CH DECODING 0 (31)
6.1CH DECODING indicator 7 (31)
A.F.D. qf (30) AUDIO SPLIT wa (25) CINEMA STUDIO EX qa (28) Cursor buttons (
/ ) wj (19,
33, 35, 36, 43, 45)
DIGITAL CONCERT HALL qs
(29)
DIMMER 4 (27) DIMMER indicator rs (27) Digital Cinema Sound indicator
5 (28)
Display qj (32) DISPLAY 3 (27, 41) DOOR OPEN wg
ENTER wh (43) EQ e; (36) EQUALIZER ef (36) FM/AM 6 (38, 39) FM MODE r; (39) FUNCTION wd (24, 25, 38, 39,
40, 43) INPUT MODE wf (26) IR receptor 2 Jog dial wk (19, 33, 35, 36, 43,
45) LEVEL wl (35) MASTER VOLUME w; (24, 26) MEMORY el (38, 40) MODE +/– qh (28, 37) MULTI/2CH A. DIRECT qk (26,
30) MULTI CHANNEL DECODING
indicator qd
MUTING ws (26)
NAME ed (43) NIGHT MODE ql (31) ON SCREEN (STR-DB1070
only) rd (10) PHONES jack rg (26) PRESET TUNING +/– 9 (40) PTY SELECT +/– (AEP and UK
models) eh (41) RDS/PTY (AEP and UK models)
ek (41) SET UP es (19, 45) SHIFT 8 (40) SLEEP (Except AEP and UK
models) ek (44) SPEAKERS switch rf (26) STREAM INFO (STR-DB870
only) eg (27) SURR ea (33) TEST TONE ej (24) TUNING +/– eh (39) VIDEO 3 INPUT jacks ra ?/1 (power) 1 (18, 23, 24, 37,
38)
LOCATION OF CONTROLS
– Front Panel –
7
STR-DB870/DB1070
1
qd qf qgqh ql w;qj qk
2 43 9 qa qs5 8 06 7
1 DIGITAL jack 2 ANTENNA terminal 3 CONTROL A1 II jack 4 MONITOR jack 5 TV/SAT jack 6 DVD/LD jack 7 VIDEO 2 jack 8 VIDEO 1 jack 9 COMPONENT VIDEO jack (US and Canadian models) 0 SPEAKER terminal
qa PRE OUT jack qs IMPEDANCE SELECTOR switch qd MULTI CH IN jack (STR-DB870)
MULTI CH IN 2 jack (STR-DB1070)
qf MULTI CH IN 1 jack (STR-DB1070) qg PHONO jack qh CD/SACD jack qj MD/TAPE jack (STR-DB870)
MD/DAT jack (STR-DB1070)
qk TAPE jack (STR-DB1070) ql 2ND ROOM jack (STR-DB1070) w; AC OUTLET
Setting the voltage selector (120 V AC area and 240 V AC area in E models)
If your receiver has a voltage selector on the rear panel, check that the voltage selector is set to the local power supply voltage. If not, use a screwdriver to set the selector to the correct position before connecting the AC power cord to a wall outlet.
220V
120V
240V
VOLTAGE SELECTOR
– Rear Panel –
8
STR-DB870/DB1070
• This set can be disassembled in the order shown below.
3-1. DISASSEMBLY FLOW
SECTION 3
DISASSEMBLY
SET
3-3. S-VIDEO BOARD,
VIDEO BOARD, TUNER (Page 9)
3-2. CASE
(Page 9)
3-5. DIGITAL BOARD
(Page 10)
3-6. MAIN BOARD
(Page 11)
3-4. VIDEO AU BOARD
(Page 10)
9
STR-DB870/DB1070
Note: Follow the disassembly procedure in the numerical order given.
3-2. CASE
3-3. S-VIDEO BOARD, VIDEO BOARD, TUNER
1
two screws (flat head)
1
two screws (flat head)
3
case assy
2
2
1
two screws (flat head)
1
two screw
s
(flat head)
1
connector (CN753)
4
S-VIDEO board, VIDEO board
2
wire (flat type) (11 core) (DB870: AEP, UK models) wire (flat type) (15 core) (DB1070: EXCEPT US, Canadian models
)
wire (flat type) (21 core) (US, Canadian models) (CN303)
5
wire (flat type) (15 core) (CN1)
3
eight screws (BV/RING)
6
three screws (BV/RING)
7
tuner
10
STR-DB870/DB1070
3-4. VIDEO AU BOARD
1
wire (flat type) (9 core) (CN201)
3
VIDEO AU board
2
two screws (BV/RING
)
3-5. DIGITAL BOARD
1
wire (flat type) (31 core) (CN1101)
2
connector (CN1108)
2
connector (CN1107)
2
connector (CN1106)
3
two screws (BVTP3 × 8)
4
five screws (BV/RING)
6
DIGITAL board
5
two connectors (CN1102, 1103)
11
STR-DB870/DB1070
3-6. MAIN BOARD
3
two screws (BVTP3
×
8)
3
two screws (BVTP3
×
8)
4
screw (BVTP3 × 8)
4
screw (BVTP3 × 8)
2
five screws (BV/RING)
1
connector (CN805)
1
connector (CN804)
1
connector (CN802)
1
connector (CN803)
5
6
connector (CN810)
7
ten screws (transistor)
6
five connector (CN501, 551, 451, 401, 601, 651)
9
MAIN board
8
heat sink
12
STR-DB870/DB1070
SECTION 4
TEST MODE
Factory Set Mode
All preset contents are reset to the default setting. Procedure: While pressing the [SET UP] and [DIMMER] buttons, press the I/1 button to turn on the main power . The message “TUNER F A C­TOR Y PRESET” appears and the present contents are reset to the default values.
All Clear Mode
All preset contents are cleared when this mode is activated. Use this mode before returning the product to clients upon completion of repair.
Procedure:
While pressing the [A.F.D.] and [MODE +] buttons, press the I/1 button to turn on the main power. The message “Memory Cleared” appears and the memories are reset to the default values.
Sound Field Clear Mode
The preset sound field is cleared when this mode is activ ated. Use this mode before returning the product to clients upon completion of repair.
Procedure:
While pressing the [MODE +] b utton, press the I/1 button to turn on the main power. The message “S.F Initialize” appears and ini­tialization is performed.
Fluorescent Indicator Tube Test Mode
All fluorescent segments are tested. When this test is acti vated, all segments turn on at the same time, then each segment turns on one after another.
Procedure:
1. While pressing, the [A.F.D.] and [DIMMER] buttons, press the
I/1 button to turn on the main power.
2. All segments turn on at the same time, then each segment turns on press the [A.F.D.] button.
3. To release from this mode, press the I/1 button or discon­nect the power cord.
Demonstration Mode
Procedure:
While pressing the [SET UP] button simultaneously, press the I/1 button to turn on the main power. The set enters the DEMO mode. Wait a while, then the demonstration starts. If the I/1 button is pressed often the demonstration has started, the power is turned off, and the demonstration resumes if the I/1 button is pressed again.
AM Channel Step 9 kHz/10 kHz Selection Mode (US, Canadian and E Models)
Either the 9 kHz step or 10 kHz step can be selected for the AM channel step.
Procedure:
1. Set the FUNCTION to AM. Press the I/1 button to turn off the main power.
2. While depressing the [PRESET TUNING +] button, press the
I/1 button to turn on the main power.
3. Either the message “AM 9 kHz Step” or “AM 10 kHz Step” appears. Select the desired step.
Version Mode
When this mode is used, the microprocessor version number is displayed. Procedure: Press three buttons of [SHIFT], [MODE +] and [TUNING --] si- multaneously. The microprocessor version number appears.
13
STR-DB870/DB1070
SECTION 5
DIA GRAMS
5-1. NOTE FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Printed Wiring Board:
• X : parts extracted from the component side.
• Y : parts extracted from the conductor side.
• : Pattern from the side which enables seeing. (The other layers' patterns are not indicated.)
• Indication of transistor
Caution: Pattern face side: Parts on the pattern face side seen from (Conductor Side) the pattern face are indicated. Parts face side: Parts on the parts face side seen from (Component Side) the parts face are indicated.
C
B
These are omitted.
E
Q
B
These are omitted.
CE
Q
B
These are omitted.
CE
Q
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF 50 WV or less are not indicated except for electrolytics and tantalums.
• All resistors are in Ω and 1/
4
W or less unless otherwise
specified.
•
f
: internal component.
• 2 : nonflammable resistor.
• C : panel designation.
• A : B+ Line.
• B : B– Line.
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions. no mark : TUNER
∗
: Impossible to measure
• Voltages are taken with a VOM (Input impedance 10 MΩ). Voltage variations may be noted due to normal produc­tion tolerances.
• Waveforms are taken with a oscilloscope. Voltage variations may be noted due to normal produc­tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F : TUNER J : AUDIO IN (ANALOG) c : AUDIO IN (DIGITAL) E : VIDEO IN
• Abbreviation CH : Chinese model CND : Canadian model E2 : 120 V AC area in E model E3 : 240 V AC area in E model KR : Korean model MY : Malaysia model SP : Singapore model TW : Taiwan model
Note:
The components identi­fied by mark 0 or dotted line with mark 0 are criti­cal for safety. Replace only with part number specified.
Note:
Les composants identifiés par une marque 0 sont critiques pour la sécurité. Ne les remplacer que par une pièce portant le numéro spécifié.
14
STR-DB870/DB1070
• Circuit Boards Location
DC2 board
SP board
S-VIDEO board
H.P board
DIGITAL boar
d
BIAS board
MUTING board
SW board
POWER board
VIDEO board
VIDEO 3 board
AC board
VIDEO AU board
V.SWITCH board (120 V AC area and 240 V AC area in E models)
TUNER
MAIN board
DISP board
DC1 board
STR-DB870/DB1070
1515
5-2. SCHEMATIC DIAGRAM – DIGITAL Board (1/5) – • See page 38 for Waveforms. • See page 38 for IC Block Diagrams.
CN1106
CN1107
D1802
R1432
C
14
30
C1429
R1433
X1401R1431
C1426
C1424
IC1410
R1434
R1426
R1427
C1431C1423
R1430
R1428
C1425
C1808
C1317
C1320
C1318
L1201
IC1804
C1807
R1425
C1421R1420
C1422
R1437
FB1407
R1422
R1424
R
1
423
R
1
421
R1418
FB1405
R1436
R1435C1414
C1416
C1418
C1417C1412 R1411
R1413R1410
C1415
R1419C1420
R1417
R1416
IC1803
R1804
D1801
C1316
IC1303
C1319
C1315
C1313
IC1301
IC1802
R1803
C1802
C1413
R1414
R1415
IC1406
FB1403
R1409
C
14
10
C1409
R1404
FB1404
R1405
R1403
C1411
FB1401
FB1402
Q1802
R1801 R1802
IC1801
C1309
C1310
IC1302
R1304
C1308R1303
C1307C1306
R1407
R1406
C1403
R1408
C1404
C1427
R1402
C1428
IC1409
R1429
FB
1
406
IC1407
Q1401
Q1402
Q1804
Q1803
Q1801
C1314
R1308
CN1105
R1401
C1406
CN1104
C1801
R1809
IC1402
IC1401
IC1403
C1405
J1401
R1412
C1419
C
1402
C140
8
IC1405
IC1408
IC1404
C1401
X1301
R1307
9P
7P
1SS352
100
15p
15p
150
24.576MHz1M
47
16V 0.1
TC7WU04F
100
100
1k
220 16V
0.1
100
4.7k
100p
470 16V
10 50V
0.1
10
50V
0
2933
220 16V
100
0.110k
0.1
220
21B
100
100
100
100
100
471
100
1000.1
0.22
47
16V
0.10.1 100
4.7k33k
0.01
10k1000p
10k
10k
2905
10k
1SR154
330p
BU1924F
1000p
0.1 47p
7812
7805
680
470 16V
0.1
10k
10k
TC74HC153
21A
22k
470
1
6V
0.1
560k
21A
100
1k
10 50V
21A
21A
RT1N141C
680 10k
7805
100 16V
100 16V
2933
39k
0.1 39k
0.10.1
100
100
0.1
100
0.1
0.1
100
0.1
TC7WH74FU
0
2
1B
TC7WH157FU
2SC2712
2SC2712
RT1N141C
2SB733
2SB733
82p
100
15P
75
22 50V
100 16V
10k
TORX178
TORX179
TORX178
0.1
1P
5.6k
0.1
0.1
1p
TC7WU04F
LC89056W-E
TOTX178A
0.01
4.332MHz
2.2k
1A
1
B
2
B
3
B
4
B
5
B
6
B
7
B
8
B
9
B
10B
11B
12B
13B
14B
15B
16B
17B
18B
19B
2C
3C
4C
5C
6C
7C
8C
9
C
10C
1
D
2
D
11C
H1
H2
H4
H5
H6
H7
L1
L2
L3
L4
L5
L6
L7
L8
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
B1
B2
B3
B4
B5
B6
B7
B8
P1
P2
H3
*
PW_RY
GND
STOP
+32V
FL1
FL2
GND_A1
MBUS_TV
MBUS_DVD
SIRCS
OSD_DATA
OSD_CLK
OSD_CS
GND
MBUS_OUT
MBUS_V1
CTRL A1
V_SW1
V_SW2
V SW3
V SW4
P/N
GND
V.POWER
SUB T
VDD
GND
RESET
MD0
MD2
SIN1
SOT1-5V
+5V
(CHASSIS)
+8V
GND
VCC
COUNTER
DIGITAL AUDIO
INTERFACE RECEIVER
CLOCK
SELECT
GND
VCC
INVERTER
DIGITAL SELECT
INVERTER
INVERTER
+3.3V REGULATOR+5V REGULATOR
IGOIGO
B+ SWITCH
D POWER
ON/OFF
+5V REGULATOR
IGO
+3.3V REGULATOR
IGO
IGO
IGO
+12V REGULATOR
+5V REGULATOR
B+ SWITCH
ON/OFF
V POWER
RDS DECODER
T2
T1
VSS2
VDD2
XI
XO
NC
RCLK
CMP
VSS3
VSS1
VDD1
MUX
VREF
RDAT
QUAL
(AEP,UK)
*
CN1104
21P
15P
11P
(US,CND)
(DB1070:AEP,UK,E,CH)
(DB870:AEP,UK)
AM
THE ASSEMBLED
BLOCK
*SUPPLIED AS
STEREO
TUNED
R CH
MUTING
GND
L CH
FM DET OUT
VDD 12V
VDD 3.3V
FMIF OUT
GND
DO
CLOCK
DATA
CE
*FM/AM TUNER UNIT
FM
75Ω
COAXIAL
+5V(B_UP)
V-SYNC
(US,CND)
DB870:CND
/DB1070
DIGITAL
OPTICAL RECEIVER
DIGITAL
OPTICAL RECEIVER
DIGITAL
OPTICAL RECEIVER
DIGITAL
DVD/LD
OPTICAL
IN
OPTICAL
IN
TV/SAT
OPTICAL
IN
MD/DAT
DVD/LD
IN
COAXIAL
OSC
OPTICAL
IN
MD/TAPE
(DB870)
(DB1070)
OPTICAL
MD/DAT
OPTICAL
MD/TAPE
(DB870)
(DB1070)
OUT
OUT
TRANSCEIVER
OPTICAL
DIGITAL
(Page 23)
(Page 16)
(Page 18)
(Page 17) (Page 19)
(Page 37)
STR-DB870/DB1070
1616
5-3. SCHEMATIC DIAGRAM – DIGITAL Board (2/5) – • See page 38 for Waveform.
R1611
R1612
FB1604
R1608
C1615
C1613
C1612
C1617
C1618
FB1603FB1602
C1610
R1610
R1605
C1611
R1667
R1653
R1655
R1654
R1656
R1657
R1651
R1650
R1666
C1608
C1602
R1607
C1601
R1609
R1606
R1601
C1603
R1602
C1604
R1603
C1605
C1609
C1606
C1607
C1614
FB1601
C1616
IC1602
IC1601
X1601
100
220
21B
0
0.1
47 16V
0.1
470 16V
0.1
21A21A
0.1
100
100
0.1
0
100
100
100
100
100
100
100
100
0.1
0.1
100
0.1
100
4.7k
100
0.1
100
0.1
10k
0.1
0.1
0.1
0.1
0.1
471
0.1
IDT71V016S
CXD9616R
13.5MHz
1A
1E
2E
3E
4E
5E
6E
7E
8E
1F
2F
1G
2G
3G
4G
5G
6G
3F
E1
E2
E3
E4
E5
E15
E16
E17
E18
E19
E20
E21
E22
E23
E24
E25
E26
E27
E28
E29
E30
E31
E32
E33
E34
E1
E2
E3
E4
E5
E6
E7
E8
E9
E10
E11
E12
E13
E14
E15
E16
E17
E18
E19
E20
E21
E22
E23
E24
E25
E26
E27
E28
E29
E30
E31
E32
E33
E34
I2I3I4
I5
I6
I7
M1
M2
O1
O2
O3
O4
E6
E7
E8
E10
E11
E12
E13
E14
I1
M3
E9
S-RAM
AUDIO DSP2
(Page 17)
(Page 15)
(Page 19)
(Page 18)
STR-DB870/DB1070
1717
5-4. SCHEMATIC DIAGRAM – DIGITAL Board (3/5) – • See page 38 for Waveform.
CN1101
R1810
R1762
R1763
R1764
R1761
R1760
R1767
C1721
JW1103
R1788
R1789
R1790
R1791
R1792
R1793
R1794
C1723
C1724
C1725
C1726
C1727
C1728
R1787
R1786
R1785
R1784
R1783
R1782
R1781
R1780
R1779
R1778
R1777
R1776
R1775
R1774
R1773
R1772
C1722
R1813
R1800
R1765
FB1703
JW1101
R1769 R1770
R1752C1710
R
1
7
6
6
R1768
C1720
C1712
R1815
R1751
IC1702
R1753
C1711
R
1
7
5
4
C
1
7
0
9
J
W
1
1
0
5
R1756
C1708
C1715
C1714
C1716
C1717
C1718
R1771
R
1
7
4
4
R1737
R1738
D1702
R
1
7
9
6
R1722
R1733
R1732
R1731
R1730
R1729
R1728
R1721
C1705
R1727
R1734
R1735
R1726
R
1
7
2
4
R
1
7
2
5
R
1
7
2
3
R
1
8
1
1
J
W
1
1
0
4
R1739
R1741
R1743
Q1702
R1736
C1706
C1713
C1719 C1707
J
W
1
1
0
2
R1799
R1704R1703
D1701
R1706
R1707
R1702
IC1701
C1701
R1814 R1812
Q1701
R
1
7
5
7
R
1
7
4
5
R
1
7
4
6
R
1
7
4
8
R1758
R1759
X1701
IC1703
R1755
R
1
7
4
0
R
1
7
4
2
R
1
7
5
0
R1714
R1715
R1713
R1712
R1711
R1710
R1709
R1708
R1705
R1716
R1717
R1718
R1719
R1720
R
1
7
4
9
R
1
7
4
7
31P
10k
10k
10k
10k
10k
10k
1k
0.1
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
4.7k
0.1
0.1
0.1
0.1
0.1
0.1
4.7k
10k
10k
10k
10k
10k
10k
100
100
220
100
100
100
220
100
220
0.1
220
220
1k
21A
15k 22k
10k0.1
1
0
0
100
10000p
0.1
100
10k
S-80929ANM
P-DD6-T2
10k
0.1
1
0
k
0
.1
10k
0.1
0.1
0.1
0.1
0.1
0.1
10k
1
0
0
100k
100k
1SS352-TPH
1
0
k
100
100
100
100
100
100
100
3.3k
0.1
1.5k
10k
10k
100
1
0
0
1
0
0
1
0
0
2
2
0
100
10k
100
2SC2712-YG
100k
0.1
10 50V
0.1 0.1
10k
10k10
1SS352
10k
4.7k
10k
BR24C16
0.1
220 220
2SC2712-YG
0
1
0
0
1
0
0
1
0
0
10k
16.5MHz
MB91154PMT2
-G-102-E1
100
1
0
0
2
2
0
1
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
1
0
0
1
0
0
1
B
2
B
3B4
B
5
B
6
B
7
B
8
B
9
B
1
0
B
1
1
B
1
2
B
1
3
B
1
4
B
1
5
B
1
6
B
1
7
B
1
8
B
1
9
B
1E
2E
3E
4E
5E
6E
7E
8E
1H
2H
3H
4H
1
I
2
I
3
I
4
I
5
I
6
I
7
I
8
I
9
I
1
0
I
1
1
I
A6
A7
A8
A11
A12
A13
A14
A15
A16
A10
B6
B7
B8
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
C18
C19
C20
C21
C1
C8
C9
C10
C11
C12
C14
C17
C18
C19
C20
C22
D1
D2
D3
D4
D5
H1
L1
L3
L4
L5
L6
L7
L8
M1
M2
M3
A1
B4
C15
A9
D12
D11
D10
D9
D8
D7
D13
D14
B1
B5
B3
B2
N1
N2
N3
A5
A4
A3
A2
H5
H4
H3
H2
H7
H6
C22
D6
G4
N5
C21
C2
C3
C5
C6
C7
C4
C16
C13
L2
N4
G1
G5
G6
G7
G3
G2
*
F1
F2
+32V
GND
+5V
+3.3V
LED CLK
LED LAT
LED CLR
LED DATA
FL CLK
FL LAT
FL CLR
FL DATA
SIRCS
SP ON/OFF
AD1
AD4
AD3
AD2
JOG+
JOG-
FUNC+
FUNC-
VOL+
VOL-
POWER
AU SPLIT
AD5
GND
NC
BUFFER
RESET SIGNAL
GENERATOR
SYSTEM CONTROLLER
EEPROM
I/O
BUFFER
(US,CND,E,CH)
(AEP,UK,E,CH)
(AEP,UK)
(DB1070)
*
R1759
0(AEP,UK)
(E2,E3)
(US,CND,E,CH)
(D
B
1
0
70)
(US,CND)
(AEP,UK,E,CH)
(US,CND,E,CH)
(MY,SP,TW,KR,CH)
2.2k
10k
(Page
16)
(Page 18)
(Page 19)
(Page 33)
(Page 15)
STR-DB870/DB1070
1818
5-5. SCHEMATIC DIAGRAM – DIGITAL Board (4/5) – • See page 38 for Waveform. • See page 38 for IC Block Diagram.
C1105 C1108
C1223
C1232C1242
C1263
FB1101
IC1102
R1222
C1222
C1221
IC1221
R1231
R1221
R1242
R
1241
C1243
C1233
C1231C1241
R1234 R1224
C1234
R1233
R1223
C1224
R1243R1263 R1253
C1254 C1244
R1254 R1244
C1264
IC1241
C1251
R1262 R1251
C1253
C1508C1509
R1566
IC1502
C1515
C1514
R1513
R1512
C1517
C1516
FB1502FB1501
C1252C1262C1261C1271C1272
R1282
R1281
R1271
IC1261
C1273
C1283
R1273R1283
C1284 C1274
R1274 R1264R1284C1115
R1134
IC1281
R1131
C1507
C1511 C1513
C1512
C1506
C1510C1504
R1510
R1101
R1121
R1132
R1122
R1124
C1114
C1121
C1112 C1113
FB1102
C1106
C1107
C1104
C1102
C1505
R1504
R1503
R1502
R1501
R1509
C1503
R1508
C1502
C1501
R1505
CN1103
C1101
IC1101
IC1501
X1501
R1507
R1506
C1131
C1281 C1282
R1232
R1252
R
1272
C1103
R1261
C1110
C1109
470p 470p
180p
1800p1800p
180p
21B
M5218AFP-T
22k
1800p
22
50V
M5218AFP
1.5k
1.5k
22k
1.5k
180p
180p
22 50V
22 50V
100k 100k
22 50V
220
220
22 50V
220220 220
22 50V
22 50V
100k 100k
22
50V
M5218AFP
22 50V
22k 1.5k
180p
0.1
0.1
100
IDT71V016S
0.1
0.1
100
100
0.1
470 16V
21A21A
1800p1800p22
50V
22 50V
1800p
22k
1.5k
1.5k
M5218AFP
180p
180p
220220
22
50V
22 50V
100k 100k100k100p
100k
M5218AFP
33k
0.1
0.1 47 16V
0.1
0.1
0.10.1
100
100
33k
33k
33k
100k
100p
22 50
0.1 0.1
21A
4.7 50V
10 50V
4.7 50V
47
16V
0.1
100
100
100
100
0
0.1
10k
0.1
0.1
100
21P
0.1
PCM1800
CXD9617R
13.5MHz
100
100
22
50V
22
50V
1800p
22k
22k
22k
10
50V
1.5k
0.1
47 16V
2C
3C
4C
5C
6C
7C
8C
9C
10C
1F
2F
1H
2H
3H
4H
2J
3J
4J
5J
6J
7J
9J
3F
11C
8J
1J
F1
F2
F3
F4
F5
F6
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F20
F21
F22
F23
F24
F25
F26
F27
F28
F29
F30
F31
F32
F33
F34
G2
G3
G4
G5
G6
I1
J1
J2
J3
J4
J5
J6
J7
K1
K2
K3
K4
K5
K6
K7
K8
K1 K2
K3
K4
K5
K6
K7
K8
G1
I7
I6
I5
I4
I2
I3
G7
F1
F2
F3
F4
F5
F7
F8
F9
F10
F11
F12
F13
F14
F15
F16
F17
F18
F19
F34
F33
F32
F31
F30
F29
F28
F27
F26
F25
F24
F23
F22
F21
F20
F6
P1
P2
GND
GND
GND
GND
GND
GND
GND
C
GND
GND
GND
S-RAM
AUDIO DSP1
BUFFER
VCC
VEE VCC
VEE VEE VEE
VCC VCC VCC
VEE
LINE AMPLINE AMPLINE AMP
LINE AMP
(DB1070)
A/D CONVERTER
SOURCE-L
SOURCE-R
DB9-W/DB8-NC
DB9-SB/DB8-W
SR
SL
FRONT-R
FRONT-L
TUNER-R
TUNER-L
(Page 15) (Page16)
(Page 17)
(Page
19)
(Page
27)
STR-DB870/DB1070
1919
5-6. SCHEMATIC DIAGRAM – DIGITAL Board (5/5) – • See page 38 for IC Block Diagrams.
CN1108
CN1102
R1798
R1797
R1795
Q1811
CN1109
Q1812
IC1807
Q1703
Q1704
C1702
Q1705
D1703
R1808
R1701
C1213
IC1202
R1280
C1210
C1211
R1220
R1230
C1207
Q1813
R1807
IC1808
FB1202
Q1814
D1803
IC1806 IC1805
C1203
C1208
C1206C1205C1214
R1212
FB1201
R1204
R1201
R1203
R1202
C1201
C1202
C1809
C1812
Q1810
C1212
C1204
R1260
R1270
R1250
R1240
R1805
R1806
IC1201
C1811
C1815
3P
21P
10k
10k
10k
2SB733
2P
RT1N141C
7805
RT1N141C-T
2SC2712-YG
220p
2SC2712-YG
1SS184
10k
10k
10 50V
PCM1748
8.2k
0.1
0.1
8.2k
8.2k
10
50V
2SB733
680
7805
21A
RT1N141C
1SR154
2933 NJM2391-26
0.1
10 50V
0.110 50V4700p
100
21A
10k
100
100
100
330 25V
0.1
470 16V
4700
6.3V
2SD1733
0.1
220 16V
8.2k
8.2k
8.2k
8.2k
680
10k
PCM1604Y/2K
1D
2D
1G
2G
3G
4G
5G
6G
1I
2I
3I
4I
5I
6I
7I
8I
9I
10I
11I
2J
3J
4J
5J
6J
7J
8J
9J
1J
D14
D13
D12
D11
D10
D9
D8
D7
D6
D5
D4
D3
D1
D2
J1
J5
J4
J3
J2
N1
J7
J6
N
5
N
2
N
4
N
3
O1
O2
O3
O4
*
*
DATA
CLK
+15V
-15V
GND
GND
D.GND
8V
-5V
FUNC-LAT
SB-RY
PRE-RY
2ND-RY
C-RY
REAR-RY
W-FR-RY
HP-RY
SP-FR-RY
HP-CONT
CD-RY
PROTECTOR
AC-MUTE
VOL-LAT
S-MUTE
+5V REGULATOR
OGI
D POWER
Q1811,1812
Q1703-1705
MUTING SWITCH
OGIOGI
B+ SWITCH
+2.5V REGULATOR+3.3V REGULATOR
+5V REGULATOR
OGI
D POWER
Q1813,1814
D/A CONVERTER
D/A CONVERTER
(DB1070)
SWITCH
SWITCH
*
C1811,1815
1000 16V
1000 63V (DB1070:AEP, UK)
(DB870/EXCEPT DB1070: AEP, UK)
(Page
16)
(Page 18)
(Page 17)
(Page 15)
(Page 37)
(Page 29)
(Page 29)
STR-DB870/DB1070
2020
5-7. PRINTED WIRING BOARD – DIGITAL Board (Component Side) – • See page 14 for Circuit Boards Location.
R1274
R1769
R1651
R1606
R1716
R1650
R1751
C1243
R1224R1234
R1244
R1220
C1414
R1203
C1233
D1701
R1767
R1808
R1798
R1797
R1796
R1793
R1792
R1791
R1790
R1789
R1788
R1787
X1301
R1780
R1786
R1785
R1784
R1783
R1782
R1779
R1778
R1777
R1776
R1775
R1774
R1772
R1781
R1768
R1770
R1765
R1795
R1800
R1766
R1755
R1754
R1748
R1701
R1746
R1744
R1745
R1742
R1750
R1804
R1714
R1740
R1732
R1731
R1730
R1729
R1728
R1747
R1739
R1726
R1725
R1724
R1733
R1721
R1720
R1719
R1718
R1705
R1711
R1715
R1743
R1710
IC1303
R1709
R1707
R1717
R1708
R1666
JW1103
C1711
IC1407
C1720
D1702
D1703
Q1705
Q1704
Q1703
IC1602
R1230
R1603
IC1702
IC1501
IC1601
C1428
R1402
R1409
R1405
R1407
R1434
C1108
R1403
FB1407
R1404
C1101
C1415
FB1403
R1307
R1414
R1415
R1416
Q1401
Q1402
R1419
FB1405
R1413
FB1406
R1433
X1401
C1408
R1508
R1418
R1431
R1422
R1423
R1506
R1566
R1426
R1427
R1428
R1420
R1425
R1430
C1413
Q1804
Q1812
R1809
C1315
C1313
C1320
C1420
C1316
C1319
L1201
R1406
R1417
R1308
C1308
FB1604
D1801
D1803
R1723
R1801
R1802
R1803
D1802
R1421
C1314
C1618
R1505
R1432
R1502
R1503
R1504
R1510
R1507
R1501
R1121
R1810
R1412
R1602
FB1402
C1223
R1408
R1722
R1201
R1410
IC1703
R1806
R1807
R1794
R1805
R1611
R1202
IC1202
IC1701
Q1814
IC1221
IC1281
IC1406
IC1409
IC1241
IC1261
R1284
IC1102
C1253
IC1410
IC1405
IC1408
C1273
R1254
R1124
R1264
R1122
R1131
Q1802
C1263
R1134
C1112
FB1501
R1101
IC1201
R1424
R1132
C1105
C1113
R1429
R1435
R1436
R1437
FB1101
R1612
IC1101
(AEP, UK)
IC1502
(DB1070)
DIGITAL BOARD
(COMPONENT SIDE)
E
E
E
E
(DB1070)
(AEP, UK)
(US, CND, E, CH)
E
E
(DB1070)
A
E
E
E
A
K
135
4
(US, CND)
1-681-098-
11
(11)
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
A
B
C
D
E
F
G
H
I
J
D1701 D-11 D1702 F-13 D1703 G-13 D1801 B-14 D1802 B-16 D1803 I-15
IC1101 H-4 IC1102 J-3 IC1201 I-10 IC1202 I-11 IC1221 I-8 IC1241 I-7 IC1261 I-5 IC1281 I-4 IC1303 B-3 IC1405 G-2 IC1406 D-2 IC1407 F-3 IC1408 E-4 IC1409 E-4 IC1410 F-4 IC1501 F-6 IC1502 D-6 IC1601 G-9 IC1602 E-9 IC1701 F-12 IC1702 C-14 IC1703 E-13
Q1401 C-3 Q1402 C-3 Q1703 G-13 Q1704 G-13 Q1705 G-13 Q1802 B-10 Q1804 B-11 Q1812 I-14 Q1814 J-13
• Semiconductor Location
Ref. No. Location
STR-DB870/DB1070
2121
5-8. PRINTED WIRING BOARD – DIGITAL Board (Conductor Side) – • See page 14 for Circuit Boards Location.
IC1403
IC1404
IC1402
C1317
C1205
C1411
C1109
C1264
C1426
C1418
C1431
IC1802
Q1813
C1807C1808
Q1801
IC1301
C1802
Q1803
IC1302
C1801
C1309
C1318
Q1811
C1617
C1310
CP1101
CN1102
CN1103
C1513
C1613
X1601
X1701
X1501
C1201
C1204
C1207
C1208
C1261 C1271 C1281
C1231
C1234
C1241
C1254 C1274 C1284
C1121
IC1401
C1131
C1244
C1251
C1104
IC1801
C1224
C1221
C1106
C1103
C1102
C1410
C1107
C1406
CN1105
CN1104
C1516
IC1803
C1815
FB1502
C1712
R1654
R1656
R1657
R1653
JW1003
JW1004
R1601
JW1006
FB1601
FB1404
R1280
C1232
R1221
R1222
R1223
R1231
R1232
Q1702
R1712
R1814
FB1201
C1721
C1616
C1615
C1614
C1611
C1610
C1609
C1608
C1607 C1606
C1605
C1604
C1603
C1602
C1601
C1282
C1272
C1262
C1252
C1242
R1233
C1206
R1241
C1210
R1242
R1243
C1203
C1211
R1811
JW1105
JW1104
R1771
R1702
R1738
R1762
R1761
R1760
R1764
R1759
R1758
R1757
R1753
C1707
C1709
C1722
R1763
R1737
R1741
R1734
R1727
R1251
R1706
R1655
R1252
R1253
C1222
R1713
C1705
C1701
R1704
R1735
C1719
C1708
C1718
C1717
C1716
C1715
C1714
C1706
JW1102
R1756
R1736
R1703
R1260
R1270
R1212
C1427
C1401
C1402
1
113 3
3
1
3
1
3
1
3
C1403
C1404
C1405
C1409
Q1701
C1424
R1799
R1411
C1419
C1421
C1412
C1429
C1425
C1423
R1749
C1430
C1702
C1306
C1307
C1312
R1815
R1303
R1812
R1607
C1416
R1609
C1110
C1612
R1513
C1517
R1667
FB1102
R1250
C1511
JW1005
R1605
R1509
R1608
FB1602
C1202
C1214
R1240
C1212
FB1603
R1512
R1204
C1417
C1422
C1503
C1502
C1501
C1507
C1505
C1515
C1514
C1506
C1504
C1510
C1509
C1508
R1281
R1263
R1262
R1271
C1283
R1261
R1283
R1401
C1311
JW1001
R1282
R1273
R1272
FB1202
FB1401
C1114
C1115
R1610
JW1002
IC1805
Q1810
C1809
IC1807
IC1806
C1812
C1811
CP1103
CN1109
CN1108
R1773
C1728
C1727
C1726
C1725
C1724
JW1101
C1723
R1813
FB1703
C1713
CN1101
CN1107
CN1106
IC1804
C1710
R1752
C1213
IC1808
(AEP, UK)
C1512
(US, CND)
MAIN BOARD
CN807
D
MAIN BOARD
CN806
F
(DB1070)
21
20
1
2
21
20
1
2
31
31
3
1
DC2 BOARD CN901
E
MAIN BOARD CN808
G
12
13
DISP BOARD CN1601
C
1
2
31
30
DC2 BOARD
CN903
B
19
17
13
13
13
13
E
C
B
E
C
B
VIDEO BOARD
CN303
A
FM 75Ω
COAXIAL
AM
*FM/AM TUNER UNIT
1
3
B
C
E
MD/DAT OPTICAL
OUT
MD/TAPE OPTICAL
OUT
DVD/LD
COAXIAL
IN
(DB870)
(DB1070)
MD/DAT
OPTICAL
IN
TV/SAT OPTICAL
IN
DVD/LD OPTICAL
IN
MD/TAPE OPTICAL
IN
(DB870)
(DB1070)
J1401
(DB1070)
EE
(AEP, UK, E, CH)
(US, CND, E, CH)
(US, CND, E, CH)
(DB1070)
(DB1070)
(AEP, UK, E, CH)
B
C
E
B
C
E
1-681-098-
11
(11)
DIGITAL BOARD
(CONDUCTOR SIDE)
*SUPPLIED AS THE
ASSEMBLED BLOCK
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
A
B
C
D
E
F
G
H
I
J
K
L
DB870: CND/
DB1070
DIGITAL
• Semiconductor Location
Ref. No. Location
IC1301 C-17 IC1302 C-16 IC1401 D-17 IC1402 E-17 IC1403 G-17 IC1404 H-17 IC1801 C-9 IC1802 C-8 IC1803 C-6 IC1804 C-5 IC1805 K-3 IC1806 I-4 IC1807 I-4 IC1808 J-6
Q1701 E-7 Q1702 E-6 Q1801 C-8 Q1803 C-7 Q1810 J-3 Q1811 K-5 Q1813 K-6
(Page 22)
(Page 26)
(Page 32)
(Page 36)
(Page 36)
(Page 26) (Page 26)
STR-DB870/DB1070
2222
5-9. PRINTED WIRING BOARD – VIDEO Board – • See page 14 for Circuit Boards Location.
CN306
C367
C378
JW75
CN301
JW311
JW112
JW97
JW305
R342
JW126
IC312
JW86
JW87
R344
C354
JW103
JW108
JW107
JW319
JW104
JW316
JW315
JW95
C381
JW127
JW101
JW105
JW92
JW317
JW102
JW130
JW91
JW133
C342
C343
C369
JW96
C364
C374
R338
C347
C363
C335
JW318
C351
JW99
JW72
D304
D303
JW84
JW83
JW82
C346
C358
C365
C336
JW81
C360
R351
R339
C352
IC308
JW314
C379
C373
R315
R326
IC310
R345
R325
JW88
JW129
JW80
C307
R303
JW118
JW313
C326
R304
C302
R358
R308
R306
R354
R311
R313
JW59
R310
C308
C313
R305
R307
C377
R314
C305
R312
JW100
C312 C311
C310
C304
C309
JW106
JW93
C301
R318
R309
C382
R359
Q302
IC303
R302 R301
JW60
C303
FL303
C372
JW111
JW122
JW76
JW90
JW300
IC304
CT302
JW98
C380
IC311
R320
FL301
CT303
IC309
C328
FL302
JW312
R319
R332
R340
JW310
R324
C376
JW132
JW113
CP301
JW109
R355
C324
C350
R352
R353
C370 C359
C366
C362
C375
C348
R323
C349
X302
R330
R331
CT301
R317
JW125
R336
C368
D301
R350
R349
R348
R347
R334
Q305 Q304
C333
R333
R357
C339
C329
R329
C341
C361
C331
R321
C318
JW61
C337
C353
R341
R356
JW115
R346
C332
JW124
FB303
IC305
R327
C322
CN303
C320
C340
JW301
C319
C316
C330
R328
C315C314
JW77
JW73
JW121
JW131
JW89
X301
JW119
C355
R316
R343
JW74
C345
JW110
C344
FL304
L301
R337
JW79
JW78
R335
R322
FL305
C323
C325
JW94
IC306
JW321
JW320
CP302
JW309
CN302
IC302
IC301
IC307
1
4
3
1
CONTROL A1 II
J303
MONITOR
OUT VIDEO
J302
TV/SAT
IN VIDEO
DVD/LD
IN VIDEO
OUT VIDEO
VIDEO 2
IN VIDEO OUT VIDEO
VIDEO 1
IN VIDEO PRR-Y PBB-Y Y PRR-Y
COMPONENT VIDEO
PBB-Y Y PRR-Y PBB-Y Y
J305 J304
MONITOR
OUT
TV/SAT
IN
DVD/LD
IN
J301
E
18
16 9
1
7
814
17
8
14
(DB870)
(US, CND)
DB870: CND/
DB1070
DB870: CND/
DB1070
DB1070: US, CND
DB1070: AEP, UK, E, CH
A
DIGITAL
BOARD
CN1104
H
S-VIDEO BOARD
CN751
(US, CND)
14 8
17
14
8
17
14 8
1
14
85
7
3
1
3
1
3
1
1515
EE
(DB1070: US, CND)
(DB1070: AEP, UK, E, CH)
(DB1070: AEP, UK, E, CH) (DB1070: AEP, UK, E, CH)
(DB1070)
1-681-094-
11
(11)
VIDEO BOARD
A
B
C
D
E
F
1 2 3 4 5 6 7 8
(Page 21)
(Page 24)
D301 E-7 D303 C-2 D304 C-2
IC301 C-5 IC302 C-6 IC303 C-7 IC304 E-3 IC305 E-5 IC306 E-4 IC307 E-7 IC308 C-3 IC309 D-7 IC310 E-2 IC311 D-6 IC312 C-2
Q302 C-5 Q304 E-8 Q305 E-7
• Semiconductor Location
Ref. No. Location
STR-DB870/DB1070
2323
5-10. SCHEMATIC DIAGRAM – VIDEO Board – • See page 38 for Waveforms. • See page 38 for IC Block Diagrams.
S-VIDEO BOARD
CN751
C363
C
369
R
351
C373
C365
C364
C378
C380
R357
R305
R307
R310
R304
R306
R309
R325
R301
R302
R303
R312
R311
Q302
C
38
2
C
37
9
C381
C367 C360
C377
R355
IC310
FB303
C368
C362
C366
JW305
D
304
D
303
C358
R337
C302
C304
C305
R313
R314R316R315
C353
C352
C337
C343R339
C344R340
C351
C349
R346
C348
C347
R344
C346
C342R338
C345R341
C336
R342C335
C354
C350
FL304
R
350
C
355
R348
R345R343
R349
C375
R333
R330
R329
C339
C340
C341
C333
R334
C332
FL302
R332
C324
E5
E6
E7
E4
R317
X302JW301
X301
CT301C316
C
322
C323
C
T302
C329
R331
IC305
L301
CT303
C326
C328
C325
CN306
R
321
R
320
R
322
C319
C318
IC311
IC308
R354
R359
R308
CN302
CN303
CN301
IC309
R352R353
C361
C359 C370
C372
R356
C374
IC312
IC302
Q304
FL305
FL303
IC304
IC306
FL301
J303
J304
J305
J302
R318
R323
J301
C310
R328
R
319
C
320
R336
R335
C331
C330
C315
C314
D301
C312C309 C308 C311
R
358
IC303
C313
C307
R326
C301
IC301
C303
Q305 R347
R324
R327
C376
IC307
10
50V
47p
75
0.1
0.1
0.1
0.1
0.1
100
75
75
75
75
75
75
10k
75
75
75
1k
1k
BA1A4M
0.1
0.1
0.1
0.1 0.1
0.1
330
74ACT08
1
50V
10 50V
10 50V
1S
S
133
T
1S
S133
T
0.1
330
470 10V
33p
33p
330
22k22k330
2200p
2200p
47p
47p75
47p75
2200p
10
50V
75
10
50V
10 50V
75
10
50V47p75
47p75
47p
7547p
0.1
0.1
47k
10
50V
47k
47k47k
1.2k
10 50V
4.7k
10
10
0.1
2200
10V
0.1
0.1
100
0.1
100
0.1
1M
14MHz
17.34MHz
20p10p
10p
27p
20p
100p
1k
BA7622F
20p
18p
0.1
33p
4P
1k
1k
1k
0.1
1
50V
LA7213
NJM-2296M-
330
330
1k
2P
LA7213
330150k
1000
6.3V0.1 0.1
1000
6.3V 150k
0.1
74ACT08
OPA2652
2SC2785
74HCU04
74HC00
3P
3P
1P
75 75
9P
10
50V
100
330
27p
75
75
10
50V
10 50V
470 10V
470 10V
1SS133T
10
50V1050V1050V1050V
22
k
TC74HC4053AF
10 50V
33p
330
470 10V
OPA2652
470 10V
2SC2785 3.9k
1M
330
150V
MB90089F­G-238-BND
SW1
SW2
SW3
SW4
SW1
SW2
SW3
SW4
A1
A2
A3
A4
A1
A2
A3
A4
B1
B2
B3
B4
B5
B1
B2
B3
B4
B5
C1
C2
C3
C4
C1
C2
C3
D1
D2
D1
D2
D3
D4
D3
D4
E1
E2
E3
E1
E2
E3
C4
*
*
GND
GND
EXVSYN
EXHSYN
VSYNC
HSYNC
XS
EXS
VCC
VBLK
FSCO
AVCC
VIN
CIN
YIN
YOUT
COUT
VOUT
CS
SIN
SCLK
TEST
VOC0
VOC1
VOC2
VOB
XD
EXD
+5V
SW1
SW2
SW3
SW4
GND
GND
VIDEO3
-5V
MONITOR-C/IN
MONITOR-C/OUT
MONITOR-Y/IN
MONITOR-Y/OUT
MBUS-STATUS-OUT
MBUS-TV
MBUS-DVD
MBUS-V1
SIRCS OUT
VCC
GND
CIN
VIN
YINVOUT
COUT
YOUT
AVSS
VSS
VCC
VSYNC
GND
HSYNC
IN
IN
HSYNC
GND
VSYNC
VCC
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
Y
PBB-Y
PRR-Y
Y
PBB-Y
PRR-Y
Y
PBB-Y
PRR-Y
IN
DVD/LD
IN
TV/SAT
MONITOR
OUT
VIDEO
COMPONENT
*
21P
15P
11P
(US,CND)
(DB1070:AEP,UK,E,CH)
(DB870:AEP,UK)
CN303
GND_A1
MBUS_TV
MBUS_DVD
SIRCS
OSD_DATA
OSD_CLK
OSD_CS
MBUS_OUT
MBUS_V1
CTRL A1
V_SW1
V_SW2
V SW3
V SW4
P/N
GND
-5V
+5V
+5V(B_UP)
V-SYNC
GND
(US,CND)
DB870:CND
/DB1070
VIDEO SELECT
INVERTER
(US,CND)
DB870:CND
/DB1070
*
(US,CND)
(DB1070:AEP,UK,E,CH)
(DB870:AEP,UK)
19P
14P
10P
CN301
+5V(BACK UP)
SYNC SEPARATESYNC SEPARATE
DB1070:AEP,
UK,E,CH
(DB870)
VIDEO SELECT
LINE AMP
VCC
VSS
VCC
VSS
LINE AMP
BUFFER
BUFFER
123
1
2
3
123
OSD DRIVER
VIDEO
BUFFER
CLOCK
123
COMPARATOR
123
CONTROL A1 II
MONITOR
OUT VIDEO
TV/SAT
IN VIDEO
IN VIDEO
DVD/LD
OUT VIDEO
IN VIDEO
OUT VIDEO
IN VIDEO
VIDEO 2
VIDEO 1
(DB1070:AEP,UK,E,CH)
(US,CND)
(DB1070:US,CND)
DB1070:AEP,
UK,E,CH
(DB1070:US,CND)
(DB1070:AEP,UK,E,CH)
(DB1070)
LEVEL SHIFT
LEVEL SHIFT
22µH
(Page 25)
(Page 15)
STR-DB870/DB1070
2424
5-11. PRINTED WIRING BOARDS – S-VIDEO/VIDEO AU Boards – • See page 14 for Circuit Boards Location.
JW34
C767
CN753
JW35
JW702
JW25
Q750
R767
JW15
R766
R752
JW16
C753
R769
C757
C759
C758
C755
C762
C760
JW17
JW750
R759
C754
C763
R765
R757R754 R756
C752
R758
JW18
Q751
R750
R753
R761
JW703
C766
JW19
C761
R764
R771
IC750
JW42
JW711
JW70
JW28
C769
IC752
JW21
R770
R751
C756
R768
C770
R755
IC751
D750
JW712
JW33
R772
JW707
JW24
JW708
JW36
D751
JW26
JW23
JW43
C765
C751 C750
C772
C768
R760
JW751
JW704
JW27
JW701
CN751
JW71
JW706
JW709
JW700
JW705
JW710
C764
JW20JW22
Q752
R773
Q753
R762R763
R774
4
1
JW52
R204
R203
R251
R254
JW57
C213
JW53
C211
JW48
JW54
R201
JW47
JW51
R211
R255
JW49
JW50
IC201
JW46
CN201
CN202
C201
JW55
C212
JW56
R206
R256
R205
R253
R202
JW58
R252
VIDEO BOARD
CN301
CTRL S
IN
(US, CND)
J753
CTRL S
OUT
J755
CTRL S
OUT
J756
CTRL S
STATUS IN
J754
S-VIDEO
OUT
J751
S-VIDEO
IN
S-VIDEO
IN
J750
MONITOR TU/SAT DVD/LD VIDEO 1
S-VIDEO
OUT
S-VIDEO
IN
J752
(US, CND)
1-681-195-
11
(11)
18
16
9
18
16
9
(US, CND)
(DB870: CND/DB1070)
(DB870)
(DB870)
E
E
E
E
18
169
(US, CND)
S-VIDEO BOARD
R L
TV/SAT
AUDIO IN
R L R L
DVD/LD
AUDIO IN
AUDIO OUT
R L
AUDIO IN
VIDEO 2
R L
AUDIO OUT
R L
AUDIO IN
VIDEO 1
J202J201
28 1
15 14
1
3
K
VIDEO 3
BOARD CN299
1-681-096-
11
(11)
L
MAIN
BOARD
CN101
J
VIDEO 3 BOARD
CN299
VIDEO AU BOARD
H
(US, CND)
(US, CND)
A
B
C
D
E
1 2 3 4 5 6 7 8 9 10
D750 C-5 D751 C-5
IC201 C-7 IC750 C-5 IC751 C-2 IC752 C-4
Q750 C-2 Q751 C-2 Q752 C-1 Q753 C-2
• Semiconductor Location
Ref. No. Location
(Page 26)
(Page 34)
(Page 34)
(Page 22)
STR-DB870/DB1070
2525
5-12. SCHEMATIC DIAGRAM – S-VIDEO/VIDEO AU Boards – • See page 38 for IC Block Diagrams.
CN201
C213C211
R211
CN202
C212
C201
G1
R201
R202
R251
R252
R203
R253
R204
R254
R255
R206
R205
R256
C202
G2
J202
CN753
D750
C769
C772
R771R770
R774
R773R767
R766
R768
R769
C765
C768
Q750
C766
R764
R765
R762
C764
R763
C758
R754
R755
R756
R757
C755
C759
C756
C767 C763
R760
R761
C760
C757
R759
R758
C753
C752
C762
C754
C761
R753
R750
R751
R752
J201
D751
CN751
IC752IC750
JW750
JW751
IC751
R772
Q753
Q752
Q751
J756
J755
J754
J753
J751
J750
J752
IC201
C770
C750
C751
9P
100p2200p
1k
3P
2200p
2200p
1k
1k
1k
1k
2.2k
2.2k
1k
1k
2.2k
1k
2.2k
1k
2200p
6P
4P
1SS133T
0.1
0.1
7575
100
10k10k
6.8k
6.8k
10k
470p
470p
BA1A4M
47
16V
4.7k
10k
75
0.1
75
10 50V
75
75
75
75
0.1
10 50V
0.1
0.1 0.1
75
75
10
50V
0.1
75
75
47p
47p
2200p
2200p
2200p
1k
1k
1k
1k
6P
1SS133T
NJM-2296D-NJM-2296D-
NJM-2145D-
100
BN1A4M
BN1A4M
BN1A4M
TC9273-014
10 50V
47p
47p
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
A
9
A
1
0
A
1
1
A
1
2
*
C
C
Y
C
Y
Y
+5V
SW1
SW2
SW3
SW4
SIRCS OUT
MBUS-TV
MBUS-STATUS-OUT
MBUS-V1
VIDEO3
GND
GND
GND
MBUS-DVD
VIDEO3(Y)
VIDEO3(C)
-5V
VCC
OUT1
IN4
IN3
IN2
O3-1
O3-2
O3-3
O2-3
O2-2
O2-1
NC
IN1
INH2
INH1
GND
MONITOR-C/IN
MONITOR-C/OUT
MONITOR-Y/IN
MONITOR-Y/OUT
LOUT
ROUT
GND
15V
-15V
LAT
DATA
CLK
L
R
NC
N
C
VIDEO3
R
L
VDD
VSS
CO
M
T
V/DB
S
D
V
D/LD
V2 OUT
VIDE
O
2
V1 OU
T
VIDEO
1
L
AT
G
ND
DAT
C
LK
CO
M
V
IDEO
3
C
Y
C
Y
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
(CHASSIS)
+5V(BACK UP)
DB870:CND
/DB1070
(US,CND)
VIDEO3
*
(US,CND)
(DB1070:AEP,UK,E,CH)
(DB870:AEP,UK)
19P
14P
10P
CN751
Y SWITCHC SWITCH
(DB870)
CONTROL S
I/O SWITCH
Q750,751
BUFFER BUFFER
Q752,753
IN
MONITOR
CTRL S
CTRL S
TV/SAT
STATUS IN
CTRL S
DVD/LD
OUT
CTRL S
OUT
VIDEO 1
MONITOR
S-VIDEO
OUT
S-VIDEO
TV/SAT
IN
S-VIDEO
IN
DVD/LD
S-VIDEO
OUT
S-VIDEO
IN
VIDEO 1
L
R
L
R
L
R
L
R
L
R
L
R
TV/SAT
AUDIO IN
AUDIO IN
DVD/LD
AUDIO OUT
AUDIO IN
VIDEO 2
AUDIO OUT
AUDIO IN
VIDEO 1
VIDEO
SELECT
(US,CND)
(DB870)
(Page 23)
(Page 35)
(Page 29)
(Page 35)
STR-DB870/DB1070
2626
5-13. PRINTED WIRING BOARD – MAIN Board – • See page 14 for Circuit Boards Location.
(Page 21)
CN805
CN809
CP801
JW184
JW352
JW351
JW237
JW195
JW312
JW345
JWH113
JW328
C809
JW335
JW303
IC602
C602
R602
C667
JW344
IC401
R653
R652
R603
R604
C652
C619
C718
C601
C651
JW320
JW319
JW329
JW334
JW183
JW317
IC702
C702
R702
JW305
JW326
IC601
JW322
JW321
R703
R704
C821
C704
JW325
C701
R824
JW316
JW314
R841
JW315
JW346
IC402
C452
R452
C567
JW348
IC501
R403
R402
R453
R404
C402
C420
C618
C451
C401
JW324
JW323
JW340
JW250
C664
JW337
JW261
JW194
R855
JW109
JW110
JW111
JW112
C126
JW127
JW167
JW276
JW277
JW288
JW169
JW178
IC805
JWH114
JW369
JW339
JW374
R407
Q811
R114
R864
R809
JW353
CP502
C810
R835
R808
R811
R810
Q806
JW294
JW295
JW378
JW373
JW307
Q503
Q502
JW296
L451
JWH115
JW144
JW308
R563
JW332
Q452 Q453
C464
R562
R567
R458
JW338
JW390
R413
R473
R573
R523
JW387
L551
C561 C562 C461
R463
JW381
Q553Q552
JW281
JW384
IC403
R608
R461
R460
JW333
R459
R409
R617
C454 C404
C455
C405
C456
C410
C406
C460
C408
C458
C409
C459
C417
JW400
JWH117
JW310
IC603
R410
R667
JWH116
JW299
R609
IC502
R659
JWH119
R611
R610
C604
C654
C605
C655
C606
C660
C656
C610
C658
C608
C659
C609
C617
JW298
JW341
R513
C502
R502
R651
C467
JW176
R510
D810
JWH118
C462
L401
Q402
Q403
R613
R417
C411
R512
R558
R423
C412
JW282
L601
Q602
Q603
R663
R661
C611
JW284
JW302
R623
C520
C612
JW286
JW268
R467
Q652
Q653
R660
C661
JW283
R673
C662
JW304
C819
C668
R662
JW139
C414
R612
JW297
JW206
C407
R607
R412
JW300
C514
JW371
JW309
L501
C511
JW331
JWH111
Q823
Q826
C512
Q825
IC804
JW173
JW238
JW253
JW249
JW289
C568
JW701
IC503
R507
JW141
R854
JW342
R856
JW270
JW271
JW272
D802
JW265
JW274
JW248
C816
JW275
JW252
R551
D803
JW258
JW273
JW267
CN808
JW179
R860
R817
R852
R853
JW180
R813
R859
D801
JW293
R560
R511
JW311
R509
R559
R561
C614
JW397
JW292
JW291
JW394
R517
D816
JW136
JW262
JW192
JW218
JW260
JW365
JW256
JWH120
JW255
JW246
JW191
C564
JW349
C504
R553
R552
R503
JW318
R504
C552
C519
C419
C501
C551
R658
C620
JW279
C607
C507
C657
R508
JW160
CN801
RY806
R833
(DB1070)
R826
JW211
Q810
JW801
R846
Q701
Q809
Q815
JW705
D815
C803
JW269
JW285
JW123
JW119
IC801
CN804
JW134
JW231
JW131
Q808
R336
JWH105
R134
R184
D814
R133
R183
C134
C175
D301
R132
R130
JW130
C174
C124
C123
C173
R182
R180
R181
C125
JW187
JW142
R113
JW120
JW263
JW135
JW129
R122
JW158
R337
C164
JW209
C115
C165
R123R173
R121
R120
R119
R171
R172
R170
C138
C163
C114
C113
C112
C518
R169
R167
R117
R118
C111
C110
C158
R166
R116
C159
JW235
R831
Q807
C818
JW240
JW239
JW241
R315
Q301
R812
R822
RY807
C703
C162
R830
R849
JW287
JWH107
JW215
JW245
JW212
JW210
JW208
JW207
JW205
JW204
C127
JW197
JW214
JW213
JW243
JW233
JW202
JW217
JW234
JWH106
JW259
JW186
R168
JW216
JW175
R135
C133
JW229
JW226
JW222
JW221
JW
138
CP802
JW185
Q451
JW232
JW230
JW228
JW227
JW247
JW220
JW219
JW201
JW190
JW199
R152
JW198
JW143
JW165
JW159
JW154
Q812
JW161
JWH108
JW125
JW124
C554
JWH101
JW126
JW121
JW189
JW114
R848
JW115
R847
D811D809
JW177
D813
JW155
JW122
Q501
RY805
JW145
C505
R401
JWH110
R820
JW137
C802
C801
C804
JW128
R825
C161
JW140
C132
JW200
JW203
JW224
JW223
R104
C815
C814
Q824
R818
C109
R126
C105
C555
C506
JW
H
109
C560
JW244
C457
JW251
R462
C556
C510
C558
JW336
C508
R101
C104
C509
C559
C517
JW372
JW280
C136
C137
R176
R125
R175
R115
R165
R157
R155
R156
R153
R154
R151
R105
C106
C107
JW225
R106
C103
C101
R102
C102
JW236
R103
C177
C160
C108
JW802
R451
R701
R501
R601
Q601
Q651
JW132
JW133
R129
R179
R128
R178
R127
R177
JW163
JW170
JW172
JW242
JW174
JW264
C130
JW150
JW149
JW171
CN101
IC802
JW166
R814
CN803
CN802
JW117
IC103
RY301
GP801
IC104
JW164
JW146
JW148
JW153
JW118
JWH102
JWH104
JWH103
IC101
C131
C129
R832
C128
JW188
JW152
JW162
CN807
RY803RY801
R816
CN806
JW327
JW157
C557
JW156
JW113
JW301
JW168
JW151
JW147
IC105
IC102
JW278
JW306
JWH112
JW375
JW376
JW391
JW389
JW388
JW386
JW385
JW383 JW382
JW380
JW379
JW377
JW356
JW358
JW193
JW350
JW370
JW367
JW313
Q813
JW366
R815
JW364
JW357
JW266
JW361
JW330
JW343
JW347
R408
JW355
IC701
JW393
CP803
JW290
JW707
JW116
JW399
JW398
JW395
CP501
C811
JW354
JW368
JW702
JW706
L651
Q551
Q401
C813
JW360
JW359
JW362
R850
JW363
R664
R614R414R464
R564
R514
C817
R851
JW182
JW181
JW196
JW257
C812
JW254
R131
CN500
CN552
CN550
CN450
CN400 CN600
CN503
CN650
(DB1070)
(DB1070)
1714
8
1714
8
R411
1
2
R L
FRONT
R L
FRONT
R L
PHONO IN
R L
CD/SACD IN
R L
OUT
R L
OUT
R L
2ND ROOM OUT
R L
IN
R L
IN
R L
SURROUND
MULTI CH IN 2
MULTI CH IN 1
MULTI CH IN
CENTER
SUB
WOOFER
R L
SURROUND
CENTER
SURROUND
BACK
SUB
WOOFER
(DB870)
(DB1070)
J305
J304
J307
J301
J303
(DB1070)
AEP, UK,
E, CH
AEP, UK,
E, CH
AEP, UK,
E, CH
AEP, UK,
E, CH
US, CND
US, CND
MD/DAT
MD/TAPE
(DB870)
(DB1070)
J302
TAPE
– –
+
+
– –
+
+
R L
SURROUND
CENTER
SURROUND
BACK
SPEAKERS
IMPEDANCE USE 4-16Ω
TM501
MAIN BOARD
E
E
E
E
E
E
E
E
1
21
2
20
(DB1070)
(DB1070)
(DB870)
D
DIGITAL BOARD CN1103
L
VIDEO AU
BOARD
CN201
G
DIGITAL BOARD CN1109
F
DIGITAL BOARD CN1102
RY805
415
8
15 28
14 1
–2 –1
28
1
15
14
1
45
8
E
E
E
–2 –1 –2 –1
1
3
1
3
(DB1070)
(DB1070)
(DB1070)
E
2
1
1
21
2
20
E
E
E
CN502
12
12
–1
–2
14
E
E
BCE BCE BCE BCE BC E BC E BCE BC E BCE BC E BCE BCE
8
5
20
11110
1
4
8
5
20
11110
1
4
8
5
20
11110
1
4
8
5
20
11110
1
4
(DB1070)
(DB1070)
(DB1070)
(DB870)
–2 –1
11
1
16
E
E
E
17
N
BIAS BOARD
CN501
M
BIAS BOARD
CN551
E
17
17 1717
14
15
2
1
14
15
2
1
14
15
2
1
O
BIAS BOARD
CN451
P
BIAS BOARD
CN401
Q
BIAS BOARD
CN601
S
H. P BOARD
CN749
(DB1070)
17
(DB1070)
(DB1070)
(DB1070)
(DB870)
I
SP BOARD
CN502
R
BIAS
BOARD
CN651
T
SP BOARD
CN403
V
DC2 BOARD
CN902
U
DC1 BOARD
CN910
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BIAS BOARD
CN810
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1-618-114-
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• Semiconductor Location
Ref. No. Location
D301 C-10 D801 F-11 D802 E-3 D803 E-3 D809 D-11 D810 F-11 D811 D-11 D813 D-4 D814 E-9 D815 G-12 D816 F-9
IC101 C-4 IC102 D-7 IC103 C-10 IC104 C-6 IC105 D-9 IC401 G-5 IC402 F-5 IC403 I-7 IC501 G-4 IC502 F-4 IC503 I-4 IC601 G-7 IC602 F-7 IC603 I-11 IC701 G-8 IC702 F-8 IC801 E-13 IC802 E-12 IC804 G-3 IC805 H-3
Q301 C-10 Q401 D-3 Q402 J-8 Q403 J-9 Q451 C-2 Q452 J-6 Q453 J-7 Q501 C-2 Q502 J-3 Q503 J-4 Q551 D-3 Q552 J-4 Q553 J-5 Q601 B-2 Q602 J-10 Q603 J-11 Q651 D-2 Q652 J-12 Q653 J-12 Q701 C-2 Q806 H-12 Q807 C-11 Q808 F-11 Q809 D-11 Q810 H-2 Q811 H-3 Q812 H-3 Q813 C-2 Q815 D-5 Q823 E-8 Q824 F-12 Q825 F-9 Q826 F-11
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