Philips FWD796 Скачать руководство пользователя страница 10

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SUBWOOFER MAIN BOARD

TABLE OF CONTENTS

INTERNAL IC DIAGRAM...................................................10-7

Circuit Diagram..................................................................10-8
PCB Layout Top View........................................................10-9

PCB Layout Buttom View.................................................10-10
Electrical Parts List .........................................................10-11

10-7

TDA8920TH INTERNAL IC DIAGRAM

VDDA2 VDDA1

STAB1 PROT

VDDP2 VDDP1

IN1-

IN1+

INPUT
STAGE

PWM
MODULATOR

RELEASE

SWITCH1

ENABLE1

CONTROL
AND
HANDSHAKE

DRIVER
HIGH

DRIVER
LOW

BOOT1

OUT1

VSSP1

MUTE

SGND1

OSC

MODE

OSDILLATOR

STAB1

MANAGER

TEMPERATURE SENSOR
CURRENT PROTECTION

TDA8920TH

SGND2

IN2+

IN2-

MUTE

VSSA2

VSSA1

PWM
MODULATOR

VSSD

ENABLE2

SWITCH2

RELEASE2

CONTROL
AND
HANDSHAKE

DRIVER
HIGH

DRIVER
LOW

VDDP2

BOOT2

OUT2

VSSP1

VSSP2

Inputs

VCC

Q17

Q20

Q23

2.0 k

Q14

Q15

10 pF

Q19

Q21

Q22

Q24

Q25

Q12

Q10

Q13

Q11

Q16

Q18

1.5 k

VEE

Bias Circuitry

Common to All

Amplifiers

Offset

Null

(TL071

only)

Output

1.5 k

TL074 INTERNAL IC DIAGRAM

Содержание FWD796

Страница 1: ...F CONTENTS Page Location of PCBs Specifications 1 2 to 1 3 Measurement Setup Service Aids 1 4 to 1 5 ESD Safety Instruction 1 6 Lead Free Information Service Instruction 1 7 Preparations Controls Troubleshooting 1 8 to 1 14 Setting Procedure Repair Instructions 2 Disassembly Instructions Service positions 3 Set Block Wiring Diagram 4 Key Video Sensor Phone Vol Vu Board 5 Tuner Board 6 Main Board 7...

Страница 2: ...4 1 SET BLOCK DIAGRAM 4 1 ...

Страница 3: ... R291 C6 R292 C6 R293 C6 R294 C6 R295 C6 R296 C6 R297 C6 R298 C6 R299 D6 R2001 A1 R2002 A1 R2003 A1 R2004 A1 R2005 A1 R2006 A1 R2010 A2 R2011 A1 R2012 A2 R2013 A1 R2014 A2 R2016 B3 R2017 B3 R2018 B3 R2019 B3 R2020 B3 R2021 A4 R2023 A4 R2024 B4 R2025 B4 R2026 B4 R2027 B4 R2028 B2 R2029 B1 R2030 B1 R2031 A1 R2032 A1 R2033 A1 R2034 A3 R2035 A3 R2036 A3 R2039 B2 R2040 C1 R2041 C1 R2046 D3 R2056 C2 R20...

Страница 4: ...C043 D2 C044 C2 C045 C2 C046 C2 C047 D1 C048 D1 C049 A2 C050 B3 C071 B3 CN001 D2 CN002 A2 D001 A1 D002 A1 D004 C2 D005 A2 EF450 G1 A1 IC001 B2 IC002 D1 IF001 B1 IF002 C1 IF003 C3 Q001 B1 Q002 D2 Q003 C2 Q004 B3 R01 C1 R001 B1 R002 A1 R003 B1 R004 B1 R005 B1 R006 B2 R007 A1 R008 B1 R009 A1 R010 A3 R011 A3 R012 B3 R013 B3 R014 B3 R015 B2 R016 D2 R017 B3 R018 C2 R019 C2 R020 D3 R021 D3 R023 D2 R024 D...

Страница 5: ... BOARD ES6698 8 16 MB DRAM RF Amp VFD Driver Audio DAC TV Display Speakers Video EEPROM A V Receiver Vibratto II VFD Panel Audio ADC Microphone In S PDIF ROM Flash Motor Driver OPU Motor DVD CD IR Remote ES6603S 7 2 7 2 ...

Страница 6: ...6 B4 C297 B4 C801 A1 C802 A1 C803 A2 C804 A2 C805 A2 C806 B2 C807 A2 C808 A3 C809 A3 C810 A3 C811 A3 C812 A4 C813 A4 C814 A4 C815 A4 C817 A3 C818 A3 C819 A3 C820 A3 C821 A3 C822 A4 C823 A4 C824 A4 C825 B4 C826 B4 C827 B4 C828 B4 C829 B2 C830 B2 C831 B2 C832 B3 C833 B3 C834 B2 C835 B3 C836 C2 C837 D2 C838 C1 C839 D1 C840 D1 C841 D1 C853 D1 C854 D1 C857 D1 C855 B5 C856 B5 C2001 B6 C2002 B6 C2201 D4 ...

Страница 7: ...CIRCUIT DIAGRAM MAIN BOARD 1 2 3 4 5 6 1 2 3 4 5 6 A B C D A B C D 7 4 7 4 ...

Страница 8: ... L702 B5 L703 A5 Q701 A1 Q702 B1 Q703 B1 Q704 B1 Q705 B1 Q706 B2 Q707 B3 Q708 A3 Q709 B3 Q710 A4 Q711 A4 Q712 A5 Q713 A5 Q714 A5 Q715 A5 Q716 A5 Q717 A5 Q1101 C2 R7 C2 R701 A1 R702 A1 R703 A1 R704 A1 R705 A1 R706 A1 R707 A1 R708 A1 R709 A1 R710 A2 R711 A2 R712 A2 R713 B1 R714 B2 R715 B2 R716 A2 R717 A2 R718 A2 R719 A2 R720 A2 R721 A2 R722 A2 R723 A2 R724 A2 R725 A2 R726 A3 R727 A3 R728 A3 R729 A3 ...

Страница 9: ...2 D951 A4 D952 A5 D953 B5 D954 B3 D955 B3 D958 C3 D959 C3 D960 C3 D962 C3 F901 D1 GT901 C1 IC901 C2 IC902 D3 IC951 A3 IC952 A3 IC953 A B5 IC953 C B5 IC954 B4 IC955 D3 L901 C1 L951 A4 L952 A4 L954 B3 L955 C3 L956 C4 L957 D3 L958 C5 L959 D3 L966 C3 Q901 A2 Q902 B2 Q903 C2 Q904 C2 Q905 D2 Q951 B3 Q952 B3 Q953 C4 Q954 C3 Q955 C4 Q956 D4 Q957 C4 Q959 D4 Q960 D4 R1 B1 R2 A1 R3 B1 R902 A1 R903 B1 R904 A2...

Страница 10: ...IGH DRIVER LOW 15 16 BOOT1 OUT1 VSSP1 MUTE SGND1 OSC 7 MODE 6 MODE OSDILLATOR STAB1 MANAGER TEMPERATURE SENSOR CURRENT PROTECTION TDA8920TH SGND2 IN2 IN2 5 4 MUTE VSSA2 VSSA1 1 12 PWM MODULATOR VSSD HW 24 19 ENABLE2 SWITCH2 RELEASE2 CONTROL AND HANDSHAKE DRIVER HIGH DRIVER LOW VDDP2 BOOT2 22 OUT2 21 VSSP1 VSSP2 17 20 Inputs Q3 Q4 Q5 Q2 Q1 VCC Q6 J1 J2 Q17 Q20 Q23 24 J3 2 0 k Q14 Q15 10 pF Q19 Q21 ...

Страница 11: ...05 5 6K R518 30K R513 30K R535 10K R537 1 8K R536 30K R538 470 R304 39K R303 560 R302 10K R301 47K R924 4 7K R923 100K R921 220K R917 4 7K R918 15K R919 100K R922 1K 24V 24V L IN R IN C IN MUTE SW IN JK501 SPK 3CH 6P C418 10UF 50V C406 10UF 50V C407 10UF 50V C408 10UF 50V C405 10UF 50V ZD906 8 5V D901 1N4148 D903 1N4148 D904 1N4148 D902 1N4148 D9071N4148 D9051N4148 C901 10UF 50V C902 100u 50V Q901...

Страница 12: ...DS TABLE OF CONTENTS Internal IC Diagram 10 12 Circuit Diagram 10 13 PCB Layout View 10 14 Electrical Parts list 10 15 10 12 10 12 IC KA7500C INTERNAL IC DIAGRAM IC BA4558D INTERNAL IC DIAGRAM OUTPUT V INPUT INPUT V ...

Страница 13: ...901 T TR350W B 4 5 3 1 6 10 2 8 T902 T TR16 A R909 R30 120 R918 R30 120 R917 R30 120 C905 OPEN 102P 400V C906 OPEN 102P 400V R953 R20 680 R979 R06 10 R968 R06 1K D953 HER104 R910 R30 120 C928 102P 1KV C970 47U25V C952 101P 1KV C957 101P 1KV R951 R06 30K ZD953 ZD 24V R955 R06 1K R988 R06 1K E C B Q957 2SC945 R956 R06 4K7 R992 R06 4K7 E C B Q958 2SC945 R995 R06 22K R994 R06 47K R30 IS 3W R04 IS 1 4W...

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