Sony TAV-L1 Service Manual ▷ View online
41
TAV-L1
GAP BETWEEN DVD BLOCK AND LCD BLOCK
• Confirm the bend of LCD block and gap between DVD block and LCD block within specification.
• Confirm the gap of LCD block and DVD block within the specification.
Dimension C less than 5.5 mm.
Position D is check from MP.
Check by test pin diameter 5.5 mm.
D
D
C
DVD block
LCD block
– TOP VIEW –
E: 2 to 5 mm
F: 2 to 5 mm
E
F
LCD block
DVD block
– SIDE VIEW –
42
TAV-L1
1-1. PAL Auto Adjustment (CVBS)
1. Select AV1 and input PAL signal (PAL CVBS: CB 75%Y/
75%C from signal generator).
2. Set the Service Mode (See above) and send “TT51” command.
1-2. PAL Auto Adjustment (RGB)
1. Select AV1 and input RGB signal (PAL RGB: CB 100%Y/
100%C from signal generator).
2. Set the Service Mode and send “TT52” command.
1-3. SECAM Auto Adjustment (CVBS)
1. Select AV1 and input SECAM signal (SECAM CVBS: CB
75%Y/75%C from signal generator).
2. Set the Service Mode and send “TT53” command.
2. WHITE BALANCE ADJUSTMENT
2-1. White Balance Adjustment (H/L)
1. Select AV1.
2. Change the Custom Mode and set the following registers by
2. Change the Custom Mode and set the following registers by
sending “TT54”.
COLORTONE
NEUTRAL
U_PIC_OFFSET
240
U_BRT_OFFSET
252
U_COLOR_OFFSET
128
COLOR_EMH
0
CONTRAST
MAX
BRIGHTNESS
50
COLOR
0
HUE
0
SHARPNESS
0
BACKLIGHT
MAX
AUTO NR
OFF
BLACK_ST TABLE
0
LIGHT SENSOR
OFF
POWER SAVING
STANDARD
3. Input PAL CVBS 60 IRE Full Field Signal to AV1.
4. Adjust Highlight registers:
4. Adjust Highlight registers:
NORMAL_PAL_RD (R Drive)
NORMAL_PAL_BD (B Drive)
NORMAL_PAL_BD (B Drive)
High Light Adjustment Value (9300K-0MPCD)
19"
23"
26"
32"
range
x
0.2848
0.2848
0.2848
0.2834
0.8JND
y
0.2932
0.2932
0.2932
0.2906
Y
–
–
–
–
N/A
SECTION 6
ELECTRICAL ADJUSTMENTS
1. SIGNAL ADJUSTMENT
Service adjustments to this model can be performed using the
following remote commander.
RM-ED002 (Part No. 1-479-392-11)
RM-EA002 (Part No. 1-479-393-11)
following remote commander.
RM-ED002 (Part No. 1-479-392-11)
RM-EA002 (Part No. 1-479-393-11)
How to Enter into the Service Mode
Procedure:
1. Turn on the power to the set.
2. Press two buttons of % and on the remote commander
2. Press two buttons of % and on the remote commander
simultaneously.
3. Press the [9] button on the remote commander five times.
4. Press the [OK] button on the remote commander, and remote
4. Press the [OK] button on the remote commander, and remote
commander is set to be able to transmit the test command.
5. Press the % button on the remote commander two times,
then “TT –––” will appear in the upper right corner of the
screen. Other status information will also be displayed.
screen. Other status information will also be displayed.
6. Press the [MENU] button on the remote commander to obtain
the following menu on the screen.
TRIDENT SVP EX
CHROMA DECODER
BACKLIGHT
SOUND
IF ADJUST
AV SWITCH
SERVICE MENU
ERROR MENU
CHROMA DECODER
BACKLIGHT
SOUND
IF ADJUST
AV SWITCH
SERVICE MENU
ERROR MENU
TAV/COMBO v0.04
FACTORY DATA: 00000000
SERIAL NUMBER: 0002636960
WORKING TIME: XX:XX
FACTORY DATA: 00000000
SERIAL NUMBER: 0002636960
WORKING TIME: XX:XX
7. Move to the corresponding adjustment item using the up or
down arrow buttons on the remote commander.
8. Press the right arrow button to enter into the required menu
item.
9. Press the [MEMU] button on the remote commander to quit the
Service Mode when all adjustments have been completed.
10. Press the [0] button on the remote commander to release the
Service Mode.
11. Press two buttons of % and on the remote commander
simultaneously.
12. Press the [0] button on the remote commander five times.
13. Press the [OK] button on the remote commander, and remote
13. Press the [OK] button on the remote commander, and remote
commander is set not to be able to transmit the test command.
TAV-L1
43
43
TAV-L1
3. TEST TEST MODE
Test Test Mode is available in Service Mode, OSD “TT” appears.
The functions described below are available by selecting the two
numbers.
To release “Test Test mode”, press 00 or switch the set into standby
mode.
The functions described below are available by selecting the two
numbers.
To release “Test Test mode”, press 00 or switch the set into standby
mode.
00
‘TT’ mode off
01
Picture maximum
02
Picture minimum
03
Set Volume to 35%
04
Set Volume to 50%
05
Set Volume to 65%
06
Set Volume to 80%
07
Ageing mode
08
Shipping Condition
16
Picture level 50%
19
Factory Mode toggle (on/off)
24
U Destination
25
AEP Destination
27
CBA mode toggle (ON/OFF)
31
ECS mode toggle (ON/OFF)
32
Set BCN channels preset
33
FILMODE toggle (ON/OFF)
34
Set INY channels preset
41
Re-initialise NVM
43
Select Dual Sound A
44
Select Dual Sound B
45
Select Dual Sound Mono
46
Select Dual Sound Stereo
48
Set NVM non-virgin
49
Set NVM as virgin
51
PAL Auto adjustment
52
RGB Auto adjustment
53
SECAM Auto adjustment
54
WB Init conditions
55
Watchdog toggle
56
Reset all channel attenuations
62
Toggle Digital mode flag
63
AM from baseband (AFRIC)
64
set 40" settings
67
MSP Auto Carrier Mute function enable/disable
71
Set 19" settings
72
Set 23" settings
73
Set 26" settings
74
Set 32" settings
75
Balance to center position
76
Volume maximum
77
Volume minimum
78
Balance full left
79
Balance full right
81
Digital BER display
82
Digital Service menu
83
Digital color bar output from DENC
84
TS CI path through
85
Digital tuner power down
86
Switch between two digital SW banks
87
Local keys test
88
Digital shipping conditions
89
LED test
93
I2S/analogue audio used for Digital sound
96
Digital Debug output: Enable/Disable
97
Digital 656 output: Enable/Disable
98
Digital Auto Reset function Enable/Disable
99
Display Error and Working Time menu
2-4. SECAM White Balance Adjustment (C/O)
1. Select AV1.
2. Change the Custom Mode and set the following registers by
2. Change the Custom Mode and set the following registers by
sending “TT54”.
COLORTONE
NEUTRAL
U_PIC_OFFSET
240
U_BRT_OFFSET
252
U_COLOR_OFFSET
128
COLOR_EMH
0
CONTRAST
MAX
BRIGHTNESS
50
COLOR
0
HUE
0
SHARPNESS
0
BACKLIGHT
MAX
AUTO NR
OFF
BLACK_ST TABLE
0
LIGHT SENSOR
OFF
POWER SAVING
STANDARD
3. Input SECAM CVBS 20 IRE Full Field Signal to AV1.
4. Adjust CutOff registers:
4. Adjust CutOff registers:
SECAM_OFFSET_RC (R cutoff)
SECAM_OFFSET_BC (B cutoff)
SECAM_OFFSET_BC (B cutoff)
Low Light (Cut Off) Adjustment Value (9300K-0MPCD)
19"
23"
26"
32"
range
x
0.2848
0.2848
0.2848
0.2690
0.8JND
y
0.2932
0.2932
0.2932
0.2854
Y
–
–
–
–
N/A
2-3. SECAM White Balance Adjustment (H/L)
1. Select AV1.
2. Change the Custom Mode and set the following registers by
2. Change the Custom Mode and set the following registers by
sending “TT54”.
COLORTONE
NEUTRAL
U_PIC_OFFSET
240
U_BRT_OFFSET
252
U_COLOR_OFFSET
128
COLOR_EMH
0
CONTRAST
MAX
BRIGHTNESS
50
COLOR
0
HUE
0
SHARPNESS
0
BACKLIGHT
MAX
AUTO NR
OFF
BLACK_ST TABLE
0
LIGHT SENSOR
OFF
POWER SAVING
STANDARD
3. Input SECAM CVBS 60 IRE Full Field Signal to AV1.
4. Adjust Drive registers:
4. Adjust Drive registers:
SECAM_OFFSET_RD (R Drive)
SECAM_OFFSET_BD (B Drive)
SECAM_OFFSET_BD (B Drive)
High Light Adjustment Value (9300K-0MPCD)
19"
23"
26"
32"
range
x
0.2848
0.2848
0.2848
0.2834
0.8JND
y
0.2932
0.2932
0.2932
0.2906
Y
–
–
–
–
N/A
2-2. White Balance Adjustment (C/O)
1. Select AV1.
2. Change the Custom Mode and set the following registers by
2. Change the Custom Mode and set the following registers by
sending “TT54”.
COLORTONE
NEUTRAL
U_PIC_OFFSET
240
U_BRT_OFFSET
252
U_COLOR_OFFSET
128
COLOR_EMH
0
CONTRAST
MAX
BRIGHTNESS
50
COLOR
0
HUE
0
SHARPNESS
0
BACKLIGHT
MAX
AUTO NR
OFF
BLACK_ST TABLE
0
LIGHT SENSOR
OFF
POWER SAVING
STANDARD
3. Input PAL CVBS 20 IRE Full Field Signal to AV1.
4. Adjust CutOff registers:
4. Adjust CutOff registers:
NORMAL_PAL_RC (R cutoff)
NORMAL_PAL_BC (B cutoff)
NORMAL_PAL_BC (B cutoff)
Low Light (Cut Off) Adjustment Value (9300K-0MPCD)
19"
23"
26"
32"
range
x
0.2848
0.2848
0.2848
0.2690
0.8JND
y
0.2932
0.2932
0.2932
0.2854
Y
–
–
–
–
N/A
TAV-L1
44
44
TAV-L1
7-1. FRAME PRINTED WIRING BOARDS – MAIN Section –
PANEL BOARD
TOUCH SENSOR BOARD
KEY BOARD
MAIN BOARD
DMB13
BOARD
BOARD
VIDEO BOARD
EMR DOWN 1
BOARD
EMR DOWN 2
BOARD
EMR DOWN 3
BOARD
EMR DOWN 4
BOARD
EMR UP2
BOARD
BOARD
EMR UP
BOARD
BOARD
M
MEMBRANE SWITCH
MECHANISM DECK BLOCK
OPTICAL PICK-UP
BLOCK
KHM-310CAB
or
KHM-313CAB
S1211
(EMERGENCY STOP (UPPER DIRECTION))
MEMBRANE SWITCH
S1221
(EMERGENCY STOP (UPPER DIRECTION))
B
D
E
C
A
ND841
FLUORESCENT INDICATOR TUBE
IC841
CN841
CN1501
CN1503
(NC)
CN1231
CN601
CN603
CN604
(NC)
CN605
CN606
to CN206
to CN201
to CN202
CN607
CN608
CONNECT BOARD
CN1314
CONNECT
BOARD
CN1304
CONNECT BOARD
CN1306
CONNECT BOARD
CN1310
CN610
CN611
CN612
CN613
CN615
CN616
CN303
SP301, 303
(FRONT L-CH)
SP302, 304
(FRONT R-CH)
CN304
CN702
CN202
CN4501
CN106
CN301
CN105
(NC)
CN201
CN401
CN101
CN201
CN202
to CN606
to CN613
to CN607
CN203
CN204
CN205
CN206
CN208
CN209
CN1201
CN1202
CN1203
CN1204
CN1221
CN1222
CN1223
CN1211
CN1212
M001
(LOADING)
CN001
MS-214
BOARD
BOARD
CN621
(NC)
(Page 46)
(Page 46)
(Page 46)
(Page 46)
SECTION 7
DIAGRAMS
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