Sony XVM-H65 Service Manual ▷ View online
13
XVM-H65
5-12-6. R Sub Contrast Adjustment
Adjustment Method:
1) Select R SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP812 (+) and TP500 (–).
3) Adjust so that the signal level F stands at the specified value
1) Select R SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP812 (+) and TP500 (–).
3) Adjust so that the signal level F stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 3.2 ± 0.1 V
Adjustment location: Display board
5-12-7. B Sub Contrast Adjustment
Adjustment Method:
1) Select B SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP810 (+) and TP500 (–).
3) Adjust so that the signal level G stands at the specified value
1) Select B SUB CONT from the FOR FACTORY MODE.
2) Connect oscilloscope between TP810 (+) and TP500 (–).
3) Adjust so that the signal level G stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 3.2 ± 0.1 V
Adjustment location: Display board
5-12-8.
γ
1 Adjustment
Adjustment Method:
1) Select Gamma1 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP811 (+) and TP500 (–).
3) Adjust so that the signal level H stands at the specified value
1) Select Gamma1 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP811 (+) and TP500 (–).
3) Adjust so that the signal level H stands at the specified value
using the
R
and
r
keys on the remote controller.
Specified value: 1.9 ± 0.1 V
Adjustment location: Display board
5-12-9.
γ
2 Adjustment
Adjustment Method:
1) Select Gamma2 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP811 (+) and TP500 (–).
3) Adjust so that the signal level I stands at the specified value us-
1) Select Gamma2 from the FOR FACTORY MODE.
2) Connect oscilloscope between TP811 (+) and TP500 (–).
3) Adjust so that the signal level I stands at the specified value us-
ing the
R
and
r
keys on the remote controller.
Specified value: 3.1 ± 0.1 V
Adjustment location: Display board
5-12-10. VCO Free Run Adjustment
Adjustment Method:
1) Select VCO Free from the FOR FACTOR MODE.
2) Connect frequency counter between TP407 (+) and TP404 (–).
3) Adjust so that the reading on the counter stands at the specified
1) Select VCO Free from the FOR FACTOR MODE.
2) Connect frequency counter between TP407 (+) and TP404 (–).
3) Adjust so that the reading on the counter stands at the specified
value using the
R
and
r
keys on the remote controller.
Specified value: 15,734 ± 50 Hz
Adjustment location: Display board
5-12-11. V POS Adjustment
Adjustment Method:
1) Input mono scope signal from the NTS pattern generator.
2) Select PLL/V POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
1) Input mono scope signal from the NTS pattern generator.
2) Select PLL/V POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
the screen is vertically symmetrical using the
R
and
r
keys on
the remote controller.
5-12-12. H POS Adjustment
Adjustment Method:
1) Input mono scope signal from the NTS pattern generator.
2) Select H POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
1) Input mono scope signal from the NTS pattern generator.
2) Select H POS from the FOR FACTORY MODE.
3) Observe the mono scope screen on the monitor and adjust so that
the screen is horizontally symmetrical using the
R
and
r
keys
on the remote controller.
F
0V
G
0V
H
0V
I
0V
14
XVM-H65
IC400
RV350
RV601
RV600
RV801
TP802
TP853
TP802
TP801
TP508
TP507
CN411
CN410
TP353
TP352
TP350
TP405
TP404
TP500
TP951
S407
TP952
TP407
TP600
TP809
TP812
TP804
TP811
TP810
TP612
RV351
S950
TP854
TP805 TP806
RV802
RV800
TP807
T800
T850
IC350
IC601
CN800
– DISPLAY BOARD – (SIDE A)
6-pin
TP354
Adjustment Location:
15
XVM-H65
1
P50
I
Test mode setting input
2
PW-ON
O
Power ON control signal output
3
P52
—
Not used (Open)
4
P53
—
Not used (Open)
5
P54
—
Not used (Open)
6
S-SCL
O
Sound I2C clock signal output
7
S-DATA
I/O
Sound I2C serial data input/output
8
O/H SELECT
I
Over-head/Head-rest select signal input
9
VSS
—
Ground
10
VDD1
—
Power supply pin (+3 V)
11
N/P SEL
I
Not used (Open)
12
P31
—
Not used (Open)
13
SDA
I/O
EEPROM data input/output
14
SCL
O
EEPROM clock output
15
P34
—
Not used (Open)
16
SCK
O
Video I2C clock signal output
17
SDATA
I/O
Video I2C serial data input/output
18
P20
I
Sync. detection signal input
19
OSD DATA
O
OSD data output
20
OSD CLK
O
OSD clock output
21
PS-ON
O
Not used (Open)
22
OSD CS
O
OSD chip select output
23
N/P
O
NTSC/PAL select signal output
24
VDD2
—
Power supply pin (+3 V)
25
AVSS
—
Ground
26
P17
—
Not used (Open)
27
KEY IN
I
A/D key signal input
28
P15
—
Not used (Open)
29
P14
—
Not used (Open)
30
P13
—
Not used (Open)
31
P12
—
Not used (Open)
32
PW DET
I
Power voltage detection signal input
33
P10
—
Not used (Open)
34
AVREF
—
Power supply pin (+3 V)
35
AVDD
—
Power supply pin (+3 V)
36
RESET
I
System reset input
37
XT2
—
Power supply pin (+3 V)
38
XT1
—
Ground
39
IC
I
Ground
40
X2
O
Crystal oscillator
41
X1
I
Crystal oscillator
42
VSS1
—
Ground
43
VSYNC
I
Vertical sync signal input
44
KEY HALT
I
Key halt detection signal input
45
REM HALT
I
Remocon halt detection signal input
46
ACC ON
I
ACC ON detection signal input
47
REM IN
I
Remocon signal input
48
ACC Y/N
I
ACC type YES/NO select signal input
49
IR CONT
O
IR control signal output
50
P-ON SW
I
Power ON SW detection signal input
51
P74
—
Not used (Open)
SECTION 6
DIAGRAMS
6-1. IC PIN DESCRIPTION
• IC400 µPD780022AY-N14-9ET (SYSTEM CONTROL)
Pin No.
Pin Name
I/O
Pin Description
16
XVM-H65
52
P75
—
Not used (Open)
53
A MUTE
O
Audio muting signal output
54
UD
O
LCD up/down reverse control signal output
55
LR
O
LCD left/right reverse control signal output
56
TFT ON
O
LCD ON/OFF control signal output
57
SIDE3
O
Display size 3 control signal output
58
SIDE2
O
Display size 2 control signal output
59
SIDE1
O
Display size 1 control signal output
60
DIMMER
O
LCD backlight dimmer control signal output
61
P44
—
Not used (Open)
62
SW2
O
A/V input 2 select signal output
63
SW1
O
A/V input 1 select signal output
64
P47
—
Not used (Open)
Pin No.
Pin Name
I/O
Pin Description
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