Panasonic NV-GX7EG User manual

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NV-GX7EG

NV-GX7EGM

NV-GX7B

NV-GX7EN

NV-GX7A

NV-GX7ENT

VOL.2

Q3-MECHANISM

Digital Video Camera/Recorder

ORDER NO.VMD0204026C8

1 INTRODUCTION 3

1.1. INTRODUCTION 3

2 SERVICE CAUTION 4

2.1. HOW TO DISCHARGE THE CAPACITOR ON FRONT

C.B.A. 4

2.2. EEPROM DATA FOR SPARE PARTS OF THE MAIN

C.B.A. 4

2.3. SERVICE EXTENSION CABLES 4

2.4. SERVICE EXTENSION CABLE FOR ALL C.B.A.

INCLUDED IN MODULE UNIT 6

3 BLOCK DIAGRAMS 9

3.1. CAMERA BLOCK DIAGRAM 9

3.2. CONTROL 1 BLOCK DIAGRAM 10

3.3. CONTROL 2 BLOCK DIAGRAM 11

3.4. VIDEO BLOCK DIAGRAM 12

3.5. DSC BLOCK DIAGRAM 13

3.6. MONITOR BLOCK DIAGRAM 14

4 SCHEMATIC DIAGRAMS 15

4.1. SUB (SUB CONNECTION) SCHEMATIC DIAGRAM 15

4.2. SUB (EX INPUT) SCHEMATIC DIAGRAM 17

4.3. SUB (SD AUDIO) SCHEMATIC DIAGRAM 19

4.4. SUB (DSC) SCHEMATIC DIAGRAM 20

4.5. SUB (LENS DRIVE) SCHEMATIC DIAGRAM 24

4.6. SUB (CAMERA) SCHEMATIC DIAGRAM 25

4.7. MAIN (MAIN CONNECTION) SCHEMATIC DIAGRAM 29

4.8. MAIN (LCD) SCHEMATIC DIAGRAM 34

4.9. MAIN (HEAD/ REC AMP) SCHEMATIC DIAGRAM 35

4.10. MAIN (VIDEO 2) SCHEMATIC DIAGRAM 36

4.11. MAIN (VIDEO 1) SCHEMATIC DIAGRAM 38

4.12. MAIN (POWER) SCHEMATIC DIAGRAM 41

4.13. MAIN (DRIVE) SCHEMATIC DIAGRAM 43

4.14. MAIN (CONTROL) SCHEMATIC DIAGRAM 44

5 CIRCUIT BOARD ASSEMBLIES 51

5.1. SUB C.B.A. (COMPONENT SIDE) 51

5.2. SUB C.B.A. (FOIL SIDE) 52

5.3. SUB C.B.A. ADDRESS INFORMATION 53

5.4. MAIN C.B.A. (COMPONENT SIDE) 54

5.5. MAIN C.B.A. (FOIL SIDE) 55

5.6. MAIN C.B.A. ADDRESS INFORMATION 56

6 CHECKING POINT OF THE CSP IC 57

6.1. CHECKING POINT TABLE 57

6.2. WAVEFORM TABLE (PLAY MODE) 80

7 REPLACEMENT PARTS LIST 86

7.1. ELECTRICAL PARTS LIST 86

CONTENTS

Page Page

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

1 INTRODUCTION

1.1. INTRODUCTION

This service manual contains technical information which will allow service personnel´s to understand and service this

model.Please place orders using the parts list and not the drawing reference numbers.

If the circuit is changed or modified, this information will be followed by supplement service manual to be filed with original service

manual.

Information for Q-Mechanism should be referd to the another manual as below.

Order No. : VMD0109026C8

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

2 SERVICE CAUTION

2.1. HOW TO DISCHARGE THE CAPACITOR ON FRONT C.B.A.

2.2. EEPROM DATA FOR SPARE PARTS OF THE MAIN C.B.A.

When the Main C.B.A. is replaced, the fixed and average data must be changed by Tatsujin kit according to the Movie Camera’s

suffix.

Then, confirm and/or adjust the VTR and Camera section one by one.

2.3. SERVICE EXTENSION CABLES

This models is required the following extension cables for all connections.

Note 1:

Use the following extension cables when checking or adjusting individual circuit boards except module Parts.

(Main C.B.A. and Sub C.B.A.)

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

How to use extension cables.

Fig. T1-1

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

2.4. SERVICE EXTENSION CABLE FOR ALL C.B.A. INCLUDED IN MODULE

UNIT

This models is required the following extension cables for all connections.

Use the following extension cables when checking or adjusting individual circuit boards.

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

How to use extension cables.

Fig. T1-2

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

3 BLOCK DIAGRAMS

3.1. CAMERA BLOCK DIAGRAM

IC202-30 REC

1.5Vp-p (20usec.div.) IC202-2 REC

3.5Vp-p (20usec.div.)

NV-GX7EG/EGM/B/EN/A/ENT

CAMERA BLOCK DIAGRAM

VDD

DATA

ADDRESS

LVD

CLK

CGSO

CGCS

ASPCS

SUB

PS201

(EEP ROM)

IC303

DTI

DTO

CLK

(72MHz)

X201

2FCK

(13.5MHz)

X301

121

DSTB

ASTB

VIV2

BEND

168

136

251249238226

174

171

141

140

138

137

100

(CAMERA MICROCOMPUTER)

IC302

DSC

8bit

C OUT

8bit

Y OUT

DSC

BUSY

DTO STB

BLKEND

MEGAPIX

1/2f

245243242247248

I/F

MICROCOMPUTER

140

139

138

137

108

106

101

I/F

DSC

CONVERTER

D RAM

ZOOM

H.V

CNR

YCP

PROCESSOR

Y/C

145

151

103

160

163

FCK

LVD

(DSP)

IC301

A/D CLK

(V DR)

IC205

CH1

CH2

SUB

DS2

DS1

PULSE DATA

HIGH SPEED/CH/TRANSFER

(CG/SSG)

IC201

I/F

DATA

1110

(10bit)

A/D

4647482122

I/F

DATA

AGC

IC202

(CDS/AGC/A/D)

CDS

PS201PP291

PP291

φV1

φV2

φV3

φV4

SUB

φH2

φH1

VOUT

(CCD)

IC291

MAIN SIGNAL PATH IN REC MODE

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

3.2. CONTROL 1 BLOCK DIAGRAM

MAIN SIDE R

B6101

BATTERY

LITHIUM

SIDE L

MAIN

DEW SENSOR

252DEW

SCAN3

LCD OPEN

FP6503

SCAN3

FP6503

PAUSE

D6504

SCAN4

FP6503

SCAN4

STOP

FP6503

D6504

D6503

FP6503

D6501

KEY IN4

D6503

FP6503

PLAY

REW

FP6503

D6502

D6901

D6907

D6904

FROM DSC

FP6503

CARD LED

TAPE/CARD D6101 REW

S6401

S6101

C MODE TAPE/CARD

NIGHTVIEW

S6107

ONEPOINT

S6110 TITLE

S6111

LCD OPEN

S6701

MULTI

S6112

STOP

S6108 PAUSE

S6109

PLAY

S6105 FF

S6106

CARD

ACCESS

FP6503

SCAN2

C MODE

SCAN2

FP6503

FP6101

FP6503

NIGHT

MULTI

D6501

FP6101

FP6503

FP6101

TITLE

FP6503

FP6101

ONE POINT

FP6503

FP6101

FP6501

FP6301

SCAN1

FP6501

FP6301

PHOTO SHOT

FP6501

FP6301

MAIN SIDE L

LCD OPEN

FP6503

FP6101

D6502

KEY IN2

CASSETTE DOWN

S6211

C DOWN

LCD DET C.B.A.

S6212

EJECT

C DOWN

206

MAIN

FP6506

CASSETTE COVER

PHOTO SHOT

SIDE L

FP6302

EJECT SW

208

STANBY SW

D6504

D6501

KEY IN1

SCAN1

MODE CVD

S/S

D6502

KEY IN3

REAR OPERATION

STANBY SW

POWER SW

MODE

POWER ON

STANBY LED

VTR LED

CAM LED

DSC LED

POWER SW

204

STANBY LED

VTR LED

CAM LED

FP6502

S/S

FP6502

REG3V

QR2007

QR2006

DSC LED

IN BATT

VREF

SW NOREG

POWER ON

QR2008

POWER

FROM

255

259

258

POWER ON

QR2001

163

(32.768KHz)

X2601

VDD

CLK

DATA

INT

(RTC)

IC2601

FP6301

FP6501

RTC CS

RTC CLK

RTC DI

RTC DO

RTC INT

191

190

189

188

205

MECHA.UNIT

157

155

27MHz

X2003

S.PHOTO

FP2203

MAIN

Q2007

MIC ON

FP2204

MAIN

FP2203

MAIN

FP2203

REG 3V

S TAB

QR2002

Q2003

MODE SW

SENSOR

T.REEL

EE DI

EE DO

EE CLK

DAC LD

EE CS

MIC DATA

MIC CLK

MIC AD1

MIC AD2

MIC AD3

S TAB SW

S-REEL

T-REEL

S PHOTO SW1

S PHOTO SW2

T PHOTO SW1

T PHOTO SW2

S PHOTO

T PHOTO

SNS LED

POS1

POS2

POS3

CLK

IC2005

198

199

244

245

246

CLK

IC2008

(DAC)

IC2009

(EEP ROM)

247

248

SENSOR

S.REEL

TO LCD

TO VIDEO

186

185

167

181

187

MIC

DATA

ADDRESS/

3V3V

T.PHOTO

NOREG

REG3V

IC2001

(CONTROL MICROCOMPUTER)

NV-GX7EG/EGM/B/EN/A/ENT

CONTROL 1 BLOCK DIAGRAM

NV-GX7EG / NV-GX7EGM / NV-GX7B / NV-GX7EN / NV-GX7A / NV-GX7ENT

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