GV-HD700 (serv.man4) - Sony VCR Service Manual (repair manual)

Model: GV-HD700 (serv.man4)
Pages: 38
Size: 684.89 KB
Type: PDF
Document: Service Manual
Brand: Sony
Device: VCR / SECTION 6 ADJUSTMENTS
File: gv-hd700-sm4.pdf
Date: 2018-11-20

Next: Sony GV-HD700 (serv.man5) Service Manual

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SECTION 6
ADJUSTMENTS
ADJ
Revision History
Revision History
Link
Link
Adjusting items when replacing main parts and boards
List of service tools
Before starting adjustments
PREPARATIONS BEFORE ADJUSTMENTS
INITIALIZATION OF EVR DATA
ADJUSTMENT PROGRAM
LCD SYSTEM ADJUSTMENTS
ORIGIN OSCILLATION CHECK
LCD SECTION ADJUSTMENTS
TAPE PATH ADJUSTMENT
HOW TO ENTER PLAYBACK MODE WITHOUT 
CASSETTE
HOW TO ENTER RECORD MODE WITHOUT 
CASSETTE
MECHANISM SECTION ADJUSTMENTS
AUDIO SYSTEM ADJUSTMENTS
VIDEO SYSTEM ADJUSTMENTS
SERVO AND RF SYSTEM ADJUSTMENTS
SYSTEM CONTROL SYSTEM ADJUSTMENTS
PREPARATIONS BEFORE ADJUSTMENTS
VIDEO SECTION ADJUSTMENTS
SERVICE MODE
DATA PROCESS
ADJUSTMENT REMOTE COMMANDER (RM-95)
SERVICE MODE
ADJUSTMENT REMOTE COMMANDER 
(NEW LANC JIG)
APPLICATION OF ADJUSTMENT
(SeusCam)
Sony EMCS Co.
GV-HD700/HD700E_ADJ
NTSC MODEL: GV-HD700
PAL MODEL: GV-HD700E
GV-HD700/HD700E
RMT-844
Ver. 1.0  2007.08
2007H0800-1
  © 2007.08
Published by Kohde TEC
9-852-218-51

6-1
GV-HD700/HD700E_ADJ
1.
Before starting adjustments
EVR Data Re-writing Procedure When Replacing Board
The data that is stored in the repair board, is not necessarily correct.
ily correct.
Perform either procedure 1 or procedure 2 or procedure 3 when replacing board.
Procedure 1
Save the EVR data of the machine in which a board is going to be replaced.  Download the saved data after a
board is replaced.
Procedure 2
Remove the EEPROM from the board of the machine that is going to be repaired.  Install the removed
EEPROM to the replaced board.
Procedure 3
When the data cannot be saved due to defective EEPROM, or when the EEPROM cannot be removed or
installed, save the data from the same model of the same destination, and download it.
After the EVR data is saved and downloaded, check the
respective items of the EVR data.
(Refer to page 6-3 for the items to be checked)
Remove the EEPROM and install it.
(Former board)
(New board)
(Machine before starting repair)
(Machine after a board is replaced)
PC
PC
Save the EVR data
to a personal computer..
Download the saved
data to a machine..
(Machine to be repaired)
(Machine to be repaired)
(The same model of the same destination)
Save the data
Download the data
PC
SECTION 6
ADJUSTMENTS

6-2
GV-HD700/HD700E_ADJ
1-1. Adjusting items when replacing main parts and boards
•
 Adjusting items when replacing main parts
When replacing main parts, adjust the items indicated by z in the following table.
Note 1: When replacing the drum assy or the mechanism deck, reset the data of page: 7, address: A8 to AB to “00”. (Refer to “Record of
Use check (1)” of “6-4. SERVICE MODE”)
Table 6-1-1 (1)
LCD
Panel driver video input level adj.
V-COM adj.
White balance adj.
Mechanism
Tape path adj.
System control
Node uniqe ID No. input
Servo, RF
CAP FG duty adj.
Switching position adj.
Error rate check
Video
S VIDEO OUT Y level adj.
S VIDEO OUT chroma level adj.
COMPONENT OUT Y level adj.
COMPONENT OUT Pr level adj.
COMPONENT OUT Pb level adj.
Initialization of  
Initialization of A, B, D, 1A, 1B page data
EVR data
Initialization of 8, 9, C, 13, 18, 1C, 1D page data
Adjustment Section
Adjustment
(LCD panel)
(Drum assembly) (Note 1)
LCD Module LCD901
Mechanism deck (Note 1)
Mechanism deck M901
Mechanism deck MD block
VD-038 board IC1801
(Base band signal process, etc.)
VD-038 board IC3001
(DV signal processor)
VD-038 board IC6401
(Video signal line in/out)
VD-038 board IC2001
(D4 driver)
RP-244 board IC2001
(REC/PB amp)
PD-332 board IC4006
(LCD drive)
Replaced part
Block
replacement
Mounted part
replacement

6-3
GV-HD700/HD700E_ADJ

Note 2: IC4406, IC5002 (Flash memory) on the VD-038 board cannot be replaced.
•
 Adjusting items when replacing EEPROM
When replacing a board or EEPROM, adjust the items indicated by z in the following table.
Replaced part
Adjustment Section
Adjustment
(EEPROM)
(Complete)
VD-038 board IC4406, 5002
VD-038 board
(Complete)
RP-244 board
(Complete)
PD-332 board
Supporting
Initialization of  
Initialization of A, B, D, 1A, 1B page data
EVR data
Initialization of 8, 9, C, 13, 18, 1C, 1D page data
LCD
Panel driver video input adj.
V-COM adj.
White balance adj.
Mechanism
Tape path adj.
System control
Node uniqe ID No. input
Servo, RF
CAP FG duty adj.
Switching position adj.
Error rate check
S VIDEO OUT Y level adj.
S VIDEO OUT chroma level adj.
COMPONENT OUT Y level adj.
COMPONENT OUT Pr level adj.
COMPONENT OUT Pb level adj.
RadarW
RadarW
RadarW
Table 6-1-1 (2)
Video

Display

Download Sony GV-HD700 (serv.man4) Service Manual (Repair Manual)

Here you can read online and download Sony GV-HD700 (serv.man4) Service Manual in PDF. GV-HD700 (serv.man4) service manual will guide through the process and help you recover, restore, fix, disassemble and repair Sony GV-HD700 (serv.man4) VCR. Information contained in service manuals typically includes schematics / circuit diagrams, wiring diagrams, block diagrams, printed wiring boards, exploded views, parts list, disassembly / assembly, pcb.

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