DOWNLOAD Panasonic DVD-LS91EE / DVD-LS91GN / DVD-LS91GCS Service Manual ↓ Size: 4.68 MB | Pages: 79 in PDF or view online for FREE

Circuit voltage and waveform described herein shall be regarded as reference information when probing defect point, because it may differ from an actual measuring value due to difference of Measuring instrument and its measuring condition and product itself.

DVD-LS91EE/GN/GCS
OVERALL BLOCK DIAGRAM

IC3001

ROM

FLASH

16Mbit

8Kbit

IC6002

IC2601

IC2651

MECHANISM UNIT

TRAVERSE

MAIN P.C.B.

COIL

TRACKING

COIL

FOCUS

MPU

OPERATION

KEY

CONTROL

REMOTE

LED

DRIVE

MOTOR

TRAVERSE

MOTOR

TRAVERSE

DRIVE

MOTOR

SPINDLE

MOTOR

SPINDLE

UNIT

PICK-UP

OPT OUT

SPEAKER

IC4008

HEADPHONE

AUDIO OUT

LCD

IC3009

VIDEO OUT

IC8001

IC3201

IC4003

DRIVE

VIDEO

SIGNAL
PROCESSOR

VIDEO

CONVERTER

D/A

AUDIO

AUDIO POWER AMP
DC VOLUME CONTROL

IC3004

SERVO CONTROLLER/

AV DECODER/
SYSTEM CONTROLLER

DV3.2

OPTICAL DISC CONTROLLER/

SDRAM

128Mbit

IC3002

EEP ROM

45

DVD-LS91EE/GN/GCS
POWER SUPPLY BLOCK DIAGRAM

D6003

D6002

IC1001

(REG CONTROLLER)

3

8

32

PVCC1

PVCC2

VCC

QR1411

4

OUT2

IC1411

(REG OPR+3.3V)

5 VIN

3

VOUT

1 ON/OFF

4

EXT

REG

Q1001

OUT3 7

REG

Q1002

REG

Q1003

IC1004

D +1.2V

D1017

D1016

QR1007

QR1008

DD +3.3V

D +3.3V

M +5.5V

9

OUT4

A +5V

D +5V

IC1003

REG

SWA +5V

OPR +3.3V

47

STB23

IC1101

REG

REG

POWER
NG DET

POWER
NG DET

IR6801

REMOCON

IC6007

RESET

45

STB5

46

STB4

12 OUT5

5

8

7

6

T1101

4

3

2

1

LCD +5V

LCD +17V

LCD +7.5V

LCD -13V

PWR +9V

Q1101

D1401

D1411

D1404

D1405

D1416

D1413

D1414

SWITCHING

Q1412

VOLTAGE
DET

IC1412

SWITCHING

QR1413

POWER
CTL

Q1401

POWER
CTL

Q1402

CTL

IC1401

CTL

QR1402

JK1401

JK1421

1

FP6202

5

FP6801

2

1

IP1401

IP1421

DC IN

BAT+

JK1401

DC IN

JK1421

BATTERY

ADP ON

IC6002

OPERATION P.C.B.

(OPERATION MPU)

5 PA3

6 PA4

KEY2

KEY1

REMOIRQ

FP6202

2

FP6801

5

31 P20

KEY3

7 PA5

FP6202

4

FP6801

3

FP6202

D6004

PWR-SW

DVDON-H

LCDON-H

PON-H

6

FP6801

1

FP6202

1

FP6801

6

18 NRST

44 P42

S6004

R.SKIP

S6003

F.SKIP

S6002

30sec. SKIP

S6001

REPEAT

STAND-BY LED

S6809

LEFT

S6808

ENTER

S6807

RIGHT

S6810

MONITOR

S6811

EQ MODE

S6801

PLAY

S6816

VOL(-)

S6817

VOL(+)

S6815

MENU

S6813

UP

S6814

TOPMENU

S6804

RETURN

S6005

OPEN/CLOSE

S6805

DOWN

S6803

STOP

S6802

PAUSE

S6806

DISPLAY

43

P41

12

OSC2

13

OSC1

X6001

80 P80

CHARGE LED

79 P81

71 P76

34 P23

65 P70

45 P43

PWRON-H

PWRNG-L

OPRON-H

ADPON-L

L

67 P72

68 P73

66 P71

10 VREF+
11 VDD1

46

-

+

-

+

-

+

+

-

-

+

-

+

-

+

-

+

MUTE

CH3

BIAS1

MUTE

CH1,2

SHIFT

LEVEL

-

+

+

-

+

-

+

-

SHIFT

LEVEL

-

+

-

+

+

-

SHIFT

LEVEL

-

+

+

-

TRAVERSE MOTOR

0.4Vp-p(0.5usec./div.)

IC2601-11,12,13,14

3.4Vp-p(5msec./div.)

IC2651-24

M+5.5V

RF SIGNAL

MOTOR DRIVE SIGNAL

TRACKING ERROR SIGNAL

FOCUS ERROR SIGNAL

VIN3

VIN2

VIN1

ACTMUT-L

TRVDRV

FODRV

TRDRV

VO2-

VO2+

VO1-

VO1+

VO3-

VO3+

DC2

DC1

88

91

2

9

27

11

12

13

14

18

17

23

3

(TRAVERSE MOTOR DRIVE)

IC2601

FO-

FO+

TR-

TR+

OPTICAL PICK UP UNIT

ACTUATOR

COIL

FOCUS

COIL

TRACKING

RFINN

RFINP

SS

SPDRV

DRV4

DRV1

FG

DRV2

VHALF

HFG

TRV-SW+

LASER DIODE

Q5202,Q5215

LD DRIVE

VREFH

LPCO1

LPC1

LPCO2

LPC2

VIN4

VIN3

VIN2

PWM1

PWM0

DRV0

DRV3

VIN1

VIN8

VIN7

VIN6

VIN5

OPTICAL PICK UP UNIT

PHOTO DETECTOR

B3

B4

B2

B1

A3

A2

A4

A1

LASER DIODE

DVDLD+

CDLD+

AMP

HEAD

Q5201,Q5211

LD DRIVE

131

(DV3.2)

IC3004

(SPINDLE MOTOR DRIVE)

SPINDLE MOTOR UNIT

IC2651

132

133

134

138

137

135

136

127

124

123

126

125

113

114

128

145

144

DVD-LS91EE/GN/GCS
SERVO BLOCK DIAGRAM

2

DRIVER

A3

A2

A1

H1+

H1-

H2+

H2-

H3+

PS

EC

ECR

FG

H3-

GAIN
CONTROL

HALL AMP

TORQUE
SENS AMP

CURRENT
SENSE AMP

D

R

CK

Q

Q

4

7

9

HALL1

HALL2

HALL3

TRAVERSE SW

10

11

22

23

RNF

28

87

90

85

89

21

24

12

13

14

PS

VCC

TSD

TL

47

QR4702(1/2)

MUTE

QR4005

BUFFER

QR4702(1/2)

MUTE

QR4703(1/2)

MUTE

QR4703(1/2)

MUTE

JK4702

1

5

4

3

2

HEAD

PHONE

JK4703

1

5

4

3

2

HEAD

PHONE

SPEAKER
L

SPEAKER
R

-

-

+

+

JK4001

D4007

2

1

6

7

8

7

9

1

5

4

2

3

VOLUME

BIAS

R-IN

L-IN

HPSENSE

DC VOL

MUTE

BIAS

CONTROL

QR4010

D+3.3V

SWITCHING

QR4004

MUTE
CTRL

QR4009
(1/2)

IC4005(1/2)

HPSENSE-H

POWERMUT

HPMUT-L

AJIN-L

HPJOPEN-H

IC4005(1/2)

MUTE

QR4009
(1/2)

MUTE

QR4011

MUTE

QR4016

D4003

Q4002

JACK-IN
DET.

MODE
CONTROL

POWER
MANAGEMENT

AUDIO OUT

5.0Vp-p(5usec./div.)

IC3004-169

4.0Vp-p(0.5msec./div.)

IC4003-14,15

:AUDIO SIGNAL

OPT OUT

28

26

R-OUT-

L-OUT-

R-OUT+

L-OUT+

15

17

19

18

24

10

12

21

5

S-DOWN

2

7

25

5

15

16

80

64

14

+

-

+

-

+

-

+

-

+

-

+

-

LPF

BUFFER

QR4014

MUTE

QR4006(1/2)

MUTE

QR4013

BUFFER

QR4006(1/2)

MUTE

QR4015

D4004

IC6003

BUFFER

D/A

ZERR/
ZEROA

MANAGER

CLOCK

SYSTEM

MODULATOR

CONTROLLER

LPF

VOUTR

VOUTL

D/A

DATA

BCK

LRCK

SCK

PORT

SERIAL

AUDIO

8

7

6

(DV3.2)

(AUDIO DAC)

IC4003

(AUDIO POWER AMP/DC VOLUME CONTROL)

IC4008

169

168

167

P67

XBSON-H

62

P65

26

P10

27

P11

46

P44

47

P45

63

P66

LRCK

166

DACCK
(DACSCK)

173

IECOUT

P13
(AMUT)

SRCK

IC3004

(OPERATION MPU)

IC6002

ADOUT3
(DMIX OUT)

4

1

2

DVD-LS91EE/GN/GCS
AUDIO BLOCK DIAGRAM

48