LG lh d6530 Service Manual

- 1-1 -

SECTION 1. GENERAL

• SERVICING PRECAUTIONS

.......................................................................................................

1-2

• ESD PRECAUTIONS

...................................................................................................................

1-4

• SPECIFICATIONS

........................................................................................................................

1-5

• LOCATION OF CUSTOMER CONTROLS

...................................................................................

1-6

SECTION 2. AUDIO PART

• BLOCK DIAGRAM

........................................................................................................................

2-1

• SCHEMATIC DIAGRAMS

............................................................................................................

2-3

• WIRING DIAGRAM

....................................................................................................................

2-15

• VOLTAGE SHEET (IC&TR) ........................................................................................................ 2-17

• PRINTED CIRCUIT DIARGAMS

................................................................................................

2-21

SECTION 3. DVD PART

• DVD PART ELECTRICAL TROUBLESHOOTING GUIDE

..........................................................

3-1

• DETAILS AND WAVEFORMS ON SYSTEM TEST AND DEBUGGING ...................................... 3-8

• DVD PART SCHEMATIC DIAGRAMS

........................................................................................

3-21

• VOLTAGE SHEET (IC & TR)

......................................................................................................

3-27

• PRINTED CIRCUIT DIAGRAM

...................................................................................................

3-29

SECTION 4. EXPLODED VIEWS

......................................................................................

4-1

SECTION 5. SPEAKER PART

..........................................................................................

5-1

SECTION 6. REPLACEMENT PARTS LIST

.....................................................................

6-1

CONTENTS

SECTION 1. GENERAL PART

❏

SERVICING PRECAUTIONS

NOTES REGARDING HANDLING OF THE PICK-UP

1. Notes for transport and storage

1) The pick-up should always be left in its conductive bag until immediately prior to use.

2) The pick-up should never be subjected to external pressure or impact.

2. Repair notes

1) The pick-up incorporates a strong magnet, and so should never be brought close to magnetic materials.

2) The pick-up should always be handled correctly and carefully, taking care to avoid external pressure and
impact. If it is subjected to strong pressure or impact, the result may be an operational malfunction and/or
damage to the printed-circuit board.

3) Each and every pick-up is already individually adjusted to a high degree of precision, and for that reason
the adjustment point and installation screws should absolutely never be touched.

4) Laser beams may damage the eyes!
Absolutely never permit laser beams to enter the eyes!
Also NEVER switch ON the power to the laser output part (lens, etc.) of the pick-up if it is damaged.

5) Cleaning the lens surface
If there is dust on the lens surface, the dust should be cleaned away by using an air bush (such as used
for camera lens). The lens is held by a delicate spring. When cleaning the lens surface, therefore, a
cotton swab should be used, taking care not to distort this.

6) Never attempt to disassemble the pick-up.
Spring by excess pressure. If the lens is extremely dirty, apply isopropyl alcohol to the cotton swab. (Do
not use any other liquid cleaners, because they will damage the lens.) Take care not to use too much of
this alcohol on the swab, and do not allow the alcohol to get inside the pick-up.

- 1-2 -

Storage in conductive bag

Drop impact

NEVER look directly at the laser beam, and don’t let
contact fingers or other exposed skin.

Magnet

How to hold the pick-up

Pressure

Pressure

Cotton swab

Conductive Sheet

NOTES REGARDING COMPACT DISC PLAYER REPAIRS

1. Preparations

1) Compact disc players incorporate a great many ICs as well as the pick-up (laser diode). These
components are sensitive to, and easily affected by, static electricity. If such static electricity is high
voltage, components can be damaged, and for that reason components should be handled with care.

2) The pick-up is composed of many optical components and other high-precision components. Care must
be taken, therefore, to avoid repair or storage where the temperature of humidity is high, where strong
magnetism is present, or where there is excessive dust.

2. Notes for repair

1) Before replacing a component part, first disconnect the power supply lead wire from the unit

2) All equipment, measuring instruments and tools must be grounded.

3) The workbench should be covered with a conductive sheet and grounded.
When removing the laser pick-up from its conductive bag, do not place the pick-up on the bag. (This is
because there is the possibility of damage by static electricity.)

4) To prevent AC leakage, the metal part of the soldering iron should be grounded.

5) Workers should be grounded by an armband (1MΩ)

6) Care should be taken not to permit the laser pick-up to come in contact with clothing, in order to prevent
static electricity changes in the clothing to escape from the armband.

7) The laser beam from the pick-up should NEVER be directly facing the eyes or bare skin.

- 1-3 -

Armband

Conductive
Sheet

Resistor
(1 Mohm)

Resistor
(1 Mohm)

❏

ESD PRECAUTIONS

Electrostatically Sensitive Devices (ESD)

Some semiconductor (solid state) devices can be damaged easily by static electricity. Such components
commonly are called Electrostatically Sensitive Devices (ESD). Examples of typical ESD devices are integrated
circuits and some field-effect transistors and semiconductor chip components. The following techniques should
be used to help reduce the incidence of component damage caused by static electricity.

1. Immediately before handling any semiconductor component or semiconductor-equipped assembly, drain off
any electrostatic charge on your body by touching a known earth ground. Alternatively, obtain and wear a
commercially available discharging wrist strap device, which should be removed for potential shock reasons
prior to applying power to the unit under test.

2. After removing an electrical assembly equipped with ESD devices, place the assembly on a conductive

surface such as aluminum foil, to prevent electrostatic charge buildup or exposure of the assembly.

3. Use only a grounded-tip soldering iron to solder or unsolder ESD devices.

4. Use only an anti-static solder removal device. Some solder removal devices not classified as "anti-static" can

generate electrical charges sufficient to damage ESD devices.

5. Do not use freon-propelled chemicals. These can generate electrical charges sufficient to damage ESD

devices.

6. Do not remove a replacement ESD device from its protective package until immediately before you are ready

to install it. (Most replacement ESD devices are packaged with leads electrically shorted together by
conductive foam, aluminum foil or comparable conductive materials).

7. Immediately before removing the protective material from the leads of a replacement ESD device, touch the

protective material to the chassis or circuit assembly into which the device will by installed.

CAUTION : BE SURE NO POWER IS APPLIED TO THE CHASSIS OR CIRCUIT, AND OBSERVE ALL OTHER

SAFETY PRECAUTIONS.

8. Minimize bodily motions when handing unpackaged replacement ESD devices. (Otherwise harmless motion

such as the brushing together of your clothes fabric or the lifting of your foot from a carpeted floor can
generate static electricity sufficient to damage an ESD device).

CAUTION. GRAPHIC SYMBOLS

- 1-4 -

THE LIGHTNING FLASH WITH APROWHEAD SYMBOL. WITHIN AN EQUILATERAL
TRIANGLE, IS INTENDED TO ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF
UNINSULATED “DANGEROUS VOLTAGE” THAT MAY BE OF SUFFICIENT MAGNITUDE TO
CONSTITUTE A RISK OF ELECTRIC SHOCK.

THE EXCLAMATION POINT WITHIN AN EQUILATERAL TRIANGLE IS INTENDED TO
ALERT THE SERVICE PERSONNEL TO THE PRESENCE OF IMPORTANT SAFETY
INFORMATION IN SERVICE LITERATURE.

- 1-6 -

❏

LOCATION OF CUSTOMER CONTROLS

FRONT PANEL

DISPLAY WINDOW

- 1-7 -

REAR PANEL

- 1-8 -

AUDIO ELECTRICAL TROUBLESHOOTING GUIDE

INSERT

POWER CORD.

TURN ON

THE RED LED?

IS POWER ON?

CHECK POWER PLUG

AND POWER SUPPLY CIRCUIT.

DOES INITIAL
READ WORK?

DOES IT PLAY?

YES

NO

YES

YES

OK

NO

YES

NO

NO

CHECK POWER SUPPLY CIRCUIT.

CHECK LASER CIRCUIT.

CHECK TRACKING SERVO CIRCUIT.

TURN POWER ON.

CHECK FOCUS CIRCUIT.

CHECK DISC.

DOES IT OUTPUT

AUDIO?

YES

NO

CHECK AUDIO CIRCUIT.

1.

1.1.

1.

- 1-9 -

2. AUDIO µ. COM CIRCUIT

POWER ON

Does CD/DVD
appear at FLT?

Does LOADING

appear at FLD?

Does it appear

DVD Error at

FLD?

Does Video1/2, TV

AUDIO, FM 87.5

appear at FLD?

OK.

Check

Connector(PN903)if

is normally.

Reconnet it.

Refer to SMPS

Refer to oscillator

Circuit.

Check DVD Reset Waveform.

Check IC101 Reset Wavefrom.

Check 3.3V line.

Check Power dection Circuit..

Check power part

of Main B/D.

Check oscillator

of x101.

Check if PN200

PIN is High.

Check if IC101

PIN is High.

Check if IC101 PIN

, , , is high

(5V).

Check if IC101

PIN

is High .

Replace IC101.

Does no Dise or

Time appear at FLD?

Check if DVD an Audio
Micom Interface is OK.

Check power.

Check DVD Module.

Check SMPS.

17

46 72

90

11

5

26

- 1-10 -

3. FRONT CIRCUIT (1/2)

POWER ON

TURN ON

THE GREEN LED?

CHECK IF THE
FRONT POWER

IS OK(*2).

IS DIGITRON

ON NORMALLY?

CHECK IF

THE HEADPHONE

IS OK.

YES

NO

YES

NO

YES

REFER TO SMPS PART.

CHECK IF

THE REMOCON

IS OK.

YES

CHECK IF

THE PN101/PN102

IS OK?

RECONNECT IT.

(REFER TO NOTICE *1).

CHECK IF

ALL BUTTENS

ARE OK.

YES

CHECK IF

THE VOLUME IS

OK.

YES

FRONT B/D OK.

YES

CHECK IF

THE VFD001 PINS

ARE OK.

CHECK PATTERN

AND RESOLDERING.

NO

YES

*1: When it i s needed to reconnect FPC cable into PN101/PN102,

short ZD972 + and screw(chassis GND) near to ZD972.

*2: PN101 Pins

PIN2 : -23.0V
PIN3 : -27.5V
PIN4 : 5.0V
PIN11 : -34.0V
PIN20 : 12.0V

NO

NO

- 1-11 -

4. FRONT CIRCUIT (2/2)

- 3-1 -

SECTION 3. DVD PART ELECTRICAL

TROUBLESHOOTING GUIDE

1. Power check flow

- 3-2 -

2. Test & debug flow

- 3-3 -

- 3-4 -

- 3-5 -

- 3-6 -

- 3-7 -

- 3-8 -

❏

DETAILS AND WAVEFORMS ON SYSTEM TEST
AND DEBUGGING

1. SYSTEM 27MHz CLOCK,RESET,FLASH R/W SIGNAL

1) MT1379 main clock is at 27MHz(X501)

2) MT1336 reset is high active

- 3-9 -

3) RS232 waveform during procedure(Downloading)

4) Flash R/W enable signal during download(Downloading)

- 3-10 -

2. SDRAM CLOCK

1) MT1379 main clock is at 27MHz(X501)

3. TRAY OPEN/CLOSE SIGNAL

1) Tray open/close waveform

- 3-11 -

2) Tray close waveform

3) Tray open waveform

- 3-12 -

4. SLED CONTROL RELATED SIGNAL (NO DISC CONDITION)

5. LENS CONTROL RELATED SIGNAL(NO DISC CONDITION)

- 3-13 -

6. LASER POWER CONTROL RELATED SIGNAL
(NO DISC CONDITION)

7. DISC TYPE JUDGEMENT WAVEFORM

- 3-14 -

- 3-15 -

8. FOCUS ON WAVEFORM

- 3-16 -

9. SPINDLE CONTROL WAVEFORM (NO DISC CONDITION)

- 3-17 -

10. TRACKING CONTROL RELATED SIGNAL(System checking)

- 3-18 -

11. RF WAVEFORM

12. MT1379 AUDIO OPTICAL AND COAXIAL OUTPUT (ASPDIF)

- 3-19 -

13. MT1379 VIDEO OUTPUT WAVEFORM

1) Full colorbar signal(CVBS)

2) Y

- 3-20 -

3) C

14. AUDIO OUTPUT FORM AUDIO DAC

1) Audio related Signal

- 5-1 -

SECTION 5. SPEAKER PART

❏

MODEL: LHS-D6530W

853

851

852

850

854

855

862

- 5-2 -

❏

MODEL: LHS-D6530C

862

854

853

A800

855

852

851

850

- 5-3 -

❏

MODEL: LHS-D6530T

862

854

853

864

852

851

A800

850

- 5-4 -

❏

MODEL: LHS-D6530V

853

A800

862

854

852

851

850

2-1 2-2

SECTION 2. AUDIO PART

❏

BLOCK DIAGRAM

2-3 2-4

❏

SHEMATIC DIAGRAMS

• FRONT & POWER SCHEMATIC DIAGRAM

2-5 2-6

• MICOM SCHEMATIC DIAGRAM

2-7 2-8

• I/O SCHEMATIC DIAGRAM

NOTE: Warning

Parts that are shaded are critical With respect
to risk of fire or electrical shock.

NOTE:

1. Shaded(■) parts are critical for safety.Replace only
with specified part number.

2. Voltages are DC-measured with a digital voltmefer
during Play mode.

2-9 2-10

• DAP SCHEMATIC DIAGRAM

• AMP SCHEMATIC DIAGRAM

2-11 2-12

• SMPS SCHEMATIC DIAGRAM

2-13 2-14

NOTE: Warning

Parts that are shaded are critical With respect
to risk of fire or electrical shock.

2-15 2-16

❏ WIRING DIAGRAM

NOTE: Warning

Parts that are shaded are critical With respect
to risk of fire or electrical shock.

2-17 2-18

1.LH-D6530(MAIN)

1).IC101(LC876748C-52K, MICOM)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

1 2.15V 21 4.88V 41 -31.V 61 81
2 4.8V 22 3.94V 42 -28.V 62 82
3 1.36V 23 3.26V 43 -29.V 63 83
4 24 3.26V 44 -25.V 64 2.2V 84
5 25 0 45 -32.V 65 85 3.3V
6 26 2.75V 46 4.85V 66 86 1.8V
7 27 4.85V 47 -31.V 67 87 3.17V
8 28 4.85V 48 -31.V 68 88 3.3V
9 29 49 -26.V 69 89 0
10 30 -31.V 50 -25.V 70 3.26V 90 4.88V
11 31 -31.V 51 -32.V 71 3.15V 91 1.5V
12 32 -31.V 52 -26.V 72 5.V 92
13 33 -31.V 53 -26.V 73 4.95V 93
14 0 34 -31.V 54 -26.V 74 4.96V 94
15

2.68V(9.8304MHz)

35 -31.V 55 -26.V 75 95 0

16

2.94V(9.8304MHz)

36 -31.V 56 -32.V 76 96 0
17 4.89V 37 -31.V 57 -32.V 77 97 0
18 4.86V 38 -31.V 58 -32.V 78 98 2.7V
19 39 -31.V 59 -25.V 79 99 2.6V
20 4.88V 40 -31.V 60 0 80 100 2.6V

2).IC201(AK5365VQ, ADC & FUCTION IC)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

1 12 2.5V 23 LRCK 34 0
2 0 13 2.5V 24 MCLK 35 0
3

ADATA4_L_IN

14 2.5V 25 3.3V 36

ADATA1_R_IN
4 0 15 2.5V 26 3.3V 37 0
5

ADATA3_L_IN

16 5.V 27 0 38

ADATA2_R_IN
6 0 17 0 28 0 39 0
7

ADATA2_L_IN

18 2.5V 29 0 40

ADATA3_R_IN
8 0 19 0 30 0 41 0
9

ADATA1_L_IN

20 3.3V 31 3.3V 42

ADATA4_R_IN
10 2.5V 21

ADATA_OUT

32 3.3V 43 0

11 2.5V 22 BCK 33 3.9V 44

3).IC202(AK4117VF-E2, DIR IC)
PIN No. Volt(V) PIN No. Volt(V)

10 13

ADATA_IN
2 3.3V 14 MCLK
315
416
5 SPDIF_IN 17
6 3.3V 18
7 0 19 3.3V
8

2.2V(12.288MHz)

20 3.3V
921
10 LRCK 22
11 BCK 23 3.3V
12

ADATA_OUT

24 0

4).IC203(74VHC244MTCX, BUFFER IC)
PIN No. Volt(V) PIN No. Volt(V)

1 0 11 ADATA1
2 0 12 ADATA2
3 LRCK 13 ADATA0
4 14 ADATA3
5 BCK 15 BCK
6 ADATA3 16
7 ADATA0 17 LRCK
8 ADATA2 18 0
9 ADATA1 19 0
10 0 20 3.2V

5).IC301(PS9818, DAP IC)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

1 0 21 0 41

PWM_OUT

61

PWM_OUT

81 0

2 0 22 3.3V 42 2.5V 62

PWM_OUT

82 3.3V
3 2.35V 23 ADATA0 43 0 63 0 83 3.3V
4 5.V 24 ADATA1 44 0 64 0 84 0
5 2.35V 25 ADATA2 45

PWM_OUT

65 3.3V 85 0

6 2.32V 26 ADATA3 46

PWM_OUT

66 2.5V 86

2.27(12.288MHz)

7 0.89V 27 47 3.3V 67

PWM_OUT

87 3.3V
8 0 28 0 48

PWM_OUT

68

PWM_OUT

88
9 0 29 3.3V 49

PWM_OUT

69 0 89

10 3.3V 30 50 0 70

PWM_OUT

90
11 0 31 51

PWM_OUT

71

PWM_OUT

91 2.5V
12 0 32 52

PWM_OUT

72 3.3V 92 0
13 2.5V 33 53 0 73 0 93
14 0 34 2.5V 54

PWM_OUT

74

PWM_OUT

94 3.3V

15 0 35 0 55

PWM_OUT

75

PWM_OUT

95 0

16 0 36

PWM_OUT

56 3.3V 76 3.2V 96 4.89V

17 0 37

PWM_OUT

57 0 77 0 97

18 0 38 0 58

PWM_OUT

78 1.5V 98
19 BCK 39 3 59

PWM_OUT

79 1.8V 99
20 LRCK 40

PWM_OUT

60 0 80 2.5V 100

6).IC501(NJM4580M, OP AMP IC)
PIN No. Volt(V) PIN No. Volt(V)

1

Audio1_L_OUT

5

Audio1_R+_IN

2

Audio1_L-_IN

6

Audio1_R-_IN

3

Audio1_L+_IN

7

Audio1_R_OUT

4 -11.8V 8

7).IC502(NJM4580M, OP AMP IC)
PIN No. Volt(V) PIN No. Volt(V)

1 S/W_OUT 5 S/W_OUT
2 S/W-_IN 6 S/W_OUT
3 S/W+_IN 7 S/W_OUT
4 -11.8V 8 11.9V

8).IC503(NJM4580M, OP AMP IC)
PIN No. Volt(V) PIN No. Volt(V)

1

H/Phone_L_OUT

5

H/Phone_R+_IN

2

H/Phone_L-_IN

6

H/Phone_R-_IN

❏

VOLTAGE SHEET (IC&TR)

2-19 2-20

3

H/Phone_L+_IN

7

H/Phone_R_OUT

4 -11.8V 8 11.9V

9).IC601(NJM2296M, VIDEO SWITCHING IC)
PIN No. Volt(V) PIN No. Volt(V)

1 Video_OUT 9
2 5.V 10 5.V
3 Video2_IN 11 Video_OUT
4120
5 Video1_IN 13
6 14 5.V
7

COMPOSITE_IN

15 Video_OUT

8 -12.V 16 5.V

10).IC710(STA505, DIGITAL AMP IC)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

10 10

REAR_L+_OUT

19 0 28 3.28V

2

FRONT_L+_OUT

11

REAR_L+_OUT

20 0 29 REAR_L- _IN

3

FRONT_L+_OUT

12 31.5V 21 4.89V 30

REAR_L+_IN

4 31.5V 13 0 22 4.89V 31

FRONT_L-_IN

5 0 14 0 23 3.3V 32

FRONT_L+_IN
6 0 15 31.5V 24 0 33 26.36V
7 31.5V 16

REAR_L-_OUT

25 3.18V 34 26.36V

8

FRONT_L-_OUT

17

REAR_L-_OUT

26 3.16V 35 31.42V

9

FRONT_L-_OUT

18 27 3.16V 36 31.42V

11).IC730(STA505, DIGITAL AMP IC)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

10 10

FRONT_R+_OUT

19 0 28 3.28V

2

REAR_R+_OUT

11

FRONT_R+_OUT

20 0 29s

FRONT_R-_IN
3

REAR_R+_OUT

12 31.5V 21 4.89V 30

FRONT_R+_IN
4 31.5V 13 0 22 4.89V 31

REAR_R-_IN
5 0 14 0 23 3.3V 32

REAR_R+_IN
6 0 15 31.5V 24 0 33 26.36V
7 31.5V 16

FRONT_R-_OUT

25 3.18V 34 26.36V

8

REAR_R-_OUT

17

FRONT_R-_OUT

26 3.16V 35 31.42V

9

REAR_R-_OUT

18 27 3.16V 36 31.42V

12).IC750(STA501, DIGITAL AMP IC)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

1 0 10 19 0 28 3.28V
2

CENTER+_OUT

11 20 0 29

3

CENTER+_OUT

12 31.5V 21 4.89V 30

4 31.5V 13 0 22 4.89V 31

CENTER-_IN
5 0 14 0 23 3.3V 32

CENTER+_IN
6 0 15 31.5V 24 0 33 26.36V
7 31.5V 16 25 3.18V 34 26.36V
8

CENTER-_OUT

17 26 3.16V 35 31.42V

9

CENTER-_OUT

18 27 3.16V 36 31.42V

13).IC770(STA505, DIGITAL AMP IC)
PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V) PIN No. Volt(V)

10 10

WOOFER-_OUT

19 0 28 3.28V

2

WOOFER+_OUT

11

WOOFER-_OUT

20 0 29

WOOFER-_IN
3

WOOFER+_OUT

12 31.5V 21 4.89V 30

WOOFER-_IN
4 31.5V 13 0 22 4.89V 31

WOOFER+_IN
5 0 14 0 23 3.3V 32

WOOFER+_IN
6 0 15 31.5V 24 0 33 26.36V

7 31.5V 16

WOOFER-_OUT

25 3.18V 34 26.36V

8

WOOFER+_OUT

17

WOOFER-_OUT

26 3.16V 35 31.42V

9

WOOFER+_OUT

18 27 3.16V 36 31.42V

2.LH-D6530(SMPS)

1).IC901(KA5M0365R-YDTU, PWM IC)
PIN No. Volt(V)

1 GND
2 300V
3 12V
4 0 ~ 6V

2).IC902(KA5Q1265RF-YDTU, PWM IC)
PIN No. Volt(V)

1 300V
2 GND
3 15V
4 0 ~ 6.5V
5 0 ~ 3V

3).IC921(KA378R05-TSTU, REGULATOR IC)
PIN No. Volt(V)

1 5.6V
25V
3 GND
4 2.5V

4).IC922(KA78R12TSTU, REGULATOR IC)
PIN No. Volt(V)

1 13V
2 12V
3 GND
4 3.3V

5).IC923(KA78R33TSTU, REGULATOR IC)
PIN No. Volt(V)

1 4.5V
2 3.3V
3 GND
4 2.5V

6).IC924(KIA7808API-CU, REGULATOR IC)
PIN No. Volt(V)

1 12V
2 GND
38V

7).IC941(KA431AZ, REGULATOR IC)
PIN No. Volt(V)

1 2.5V
2 GND
3 4.8V

8).IC942(KA431AZ, REGULATOR IC)
PIN No. Volt(V)

1 2.5V
2 GND
3 30V

2-21 2-22

❏

PRINTED CIRCUIT DIAGRAMS

• MAIN P.C BOARD (SOLDER SIDE)

2-23 2-24

• MAIN P.C BOARD (COMPONENT SIDE)

2-25 2-26

• FRONT P.C. BOARD

2-27 2-28

• SMPS P.C. BOARD

3-21 3-22

❏

DVD PART SCHEMATIC DIAGRAMS

• MPEG SCHEMATIC DIAGRAM

3-243-23

• SERVO SCHEMATIC DIAGRAM

• INTERFACE SCHEMATIC DIAGRAM

3-263-25

3-27 3-28

❏

VOLTAGE SHEET (IC&TR)

3-29 3-30

❏

PRINTED CIRCUIT DIAGRAM

• DVD P.C. BOARD(SOLDER SIDE)

3-31 3-32

• DVD P.C. BOARD (COMPONENT SIDE)

4-1 4-2

351

301

268

302

303

A46

A41

A26

275

266

267

A43

270

272

264

265

250

260

269

305

A47

TUNER

454

454

SECTION 4. EXPLODED VIEWS

• CABINET AND MAIN FRAME SECTION

NOTE) Refer to “SECTION 6 REPLACEMENT

PARTS LIST” in order to look for the
part number of each part.

4-3

• Deck Mechanism Exploded View