GV-HD700 (serv.man4) - Sony VCR Service Manual (repair manual). Page 3

6-2

GV-HD700/HD700E_ADJ

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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”)

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