DOWNLOAD Sony KDL-20S3000 / KDL-20S3020 / KDL-20S3030 / KDL-20S3040 / KDL-20S3050 / KDL-20S3060 / KDL-20S3070 Service Manual ↓ Size: 7.14 MB | Pages: 88 in PDF or view online for FREE

TT mode is available by setting the TV for operation in Service Mode [ As shown on Page 14 ] , OSD ‘TT’ appears. The functions described
below are available by selecting the two numbers. To release the ‘Test mode 2’, press 00, 10, 20 ... twice or switch the TV set into Stand-by
mode. In ‘TT Menu’ mode, it is possible to remove the Menu from the screen by pressing the Speaker Off button once. Pressing the Speaker
OFF button a second time will cause the Menu to reappear. The function is kept even when the menu is not displayed on screen !!.

'TT' mode off

Set volume to 35%

Set volume to 50%

Set volume to 65%

Set volume to 80%

Ageing mode on

Shipping Condition

WB adj initial conditions

Teletext centered

Factory toggle mode (on/off)

CBA mode toggle (ON/OFF)

ECS mode toggle (ON/OFF)

Set BCN channels preset

Connect/Disconnect EDID write o general I2C bus

HDMI log enable/disable

Hotel mode toggle

PC Monitor mode toggle

OTRUM mode

Enable Digital Test

Re-initialise NVM

Select Dual Sound "A"

Select Dual Sound "B"

Select Dual Sound "Mono"

Select Dual Sound "Stereo"

Set NVM as non-virgin

Set NVM as virgin

Hybrid/ALPS tuner selection

Temperature sensor enable/disable

Digital/Analog model

Watchdog toggle

Audio delay toggle

Set Bravia Model enable/disable

MSP Auto Carrier Mute function enable/disable

Chip select toggle

Visual I2C toggle

Set 15" 4:3 XGA settings

Set 20" 4:3 VGA settings

Set 20" WXGA settings

Set 23" WXGA settings

Set 26" WXGA settings

Set 32" WXGA settings

Set 37" WXGA settings

Set 40" WXGA settings

Auto AGC

AM from baseband (AFRIC dem) or fromRF (MSP
dem)

HDMI number of inputs (0 to 2)

DDC enable

Set centred balance

Set volume to max

Set volume to min

Set balance full left

Set balance full right

Digital BER display

Digital Service menu

Digital colour bar output from DENC

TS CI path through

Digital tuner power down (Only 1 power cycle,default
is no power down)

Switch between two digital SW banks

Local keys test

Digital shipping conditions  (Clear tune database)

LED test

OAD enable/disable toggle

TS CI path through with Reed Solomon off

Spread spectrum toggle

Digital debug output enable/disable

Digital 656 output enable/disable

Digital auto reset function enable/disable

Display error and working time menu

1.

Panel size configuration. Changed by TT61...TT68.

2.

D/A: D is shown when Digital mode is enabled; A is shown when Analogue mode is enabled. Changed by TT53.

3.

TT-- command prompt.

4.

ECS/---: ECS enabled/disabled (TT31).

5.

CBA/--: CBA is shown when the TV set is in CBA mode (This mode is available from Factory mode TT19). Changed by TT27.

6.

Norm/Fact: Normal or Factory mode. Changed by TT19.

7.

DDC/---: DDC enabled/disabled. Changed by TT74.

8.

0/1/2: 0 or 2 HDMI inputs toggle. Changed by TT73.

9.

E/-: E is shown when EDID WP is enabled; - is shown otherwise. Changed by TT33.

10. M/HO/-: M is shown when PC monitor mode is enabled changed by TT37; H is shown when Hotel mode is enabled changed by TT35;

O is shown when OTRUM is enabled changed by TT38; - is shown otherwise.

11. C/-: C (Default value) is shown when MSP Auto Carrier Mute function is enabled; - is shown otherwise. Changed by TT57.
12. M/A: M (Default value) is shown when AM sound is demodulated in MSP; A is shown when AFRIC demodulator is used. Changed by

TT72.

13. N/A: Previously used to indicate Clk enabled.
14. T/-: T is shown when digital test is enabled; - is shown otherwise. Changed by TT39.
15. W/-: W is shown when watchdog is enabled; - is shown otherwise. Changed by TT54.
16. C/-: C is shown when chip select is enabled; - is shown instead. This mode is only available in factory mode. Changed by TT58.
17. V/-: V is shown when visual I2C is enabled; - is shown otherwise. Changed by TT59.
18. D/-: D is shown when audio delay is enabled; - is shown otherwise. Changed by TT55.
19. K/-: K is shown when spread spectrum is enabled; - is shown otherwise. Changed by TT94.
20. B/-: B is shown for BRAVIA models; -is shown otherwise. This mode is only available in factory mode. Changed by TT56.
21. S/-: S is shown if temperature sensor is enabled; - is shown otherwise. Changed by TT52.
22. L/-: L is shown when HDMI is enabled; - is shown otherwise. Changed by TT34.
23. X/-: X is shown when teletext is centered (Default value); - is shown otherwise. Changed by TT14.
24. H/A: H is shown when Hybrid tuner is selected; A is shown if ALPS tuner is selected. Changed by TT51.

(1)

2 6

"

D

(2)

T T

-

-

(3)

E C S

(4)

C B A

(5)

B

(20)

N o

r m

(6)

D D C

(7)

2

(8)

E

(9)

S

(21)

H

(10)

C

(11)

M

(12)

L

(22)

-

(13)

T

(14)

W

(15)

C

(16)

V

(17)

D

(18)

K

(19)

X

(23)

H

(24)

GS1        POWER SUPPLY BOARD

B1

MAIN BOARD

•

All capacitors are in µF unless otherwise noted.

•

pF : µµF 50WV or less are not indicated except for 
electrolytic types.

•

Indication of resistance, which does not have one for 
rating electrical power, is as follows.

Pitch : 5mm
Electrical power rating : 1/4W

•

Chip resistors are 1/10W

•

All resistors are in ohms.
k = 1000 ohms, M = 1000,000 ohms

•

: nonflammable resistor.

•

: fusible resistor.

•

: internal component.

•

: panel designation or adjustment for repair.

•

All variable and adjustable resistors have 
characteristic curve B, unless otherwise noted.

•

All voltages are in Volts.

•

Readings are taken with a 10Mohm digital mutimeter.

•

Readings are taken with a color bar input signal.

•

Voltage variations may be noted due to normal production
tolerences.

•

:  B  +  bus.

•

: B - bus.

•

: RF signal path.

•

: earth - ground.

•

: earth - chassis.

: METAL FILM

: SOLID

: NON FLAMMABLE CARBON

: NON FLAMMABLE FUSIBLE

: NON FLAMMABLE METAL OXIDE

: NON FLAMMABLE CEMENT

: NON FLAMMABLE WIREWOUND

: ADJUSTMENT RESISTOR

: MICRO INDUCTOR

: TANTALUM

: STYROL

: POLYPROPYLENE

: MYLAR

: METALIZED POLYESTER

: METALIZED POLYPROPYLENE

: BIPOLAR

: HIGH TEMPERATURE

: HIGH RIPPLE

Les composants identifiés par une trame et
par une marque      sont d'une importance
critique pour la sécurité. Ne les remplacer
que par des pièces de numéro spécifié.
specified.

The components identified by shading
and marked      are critical for safety.
Replace only with the part numbers 
specified in the parts list.

CVM Board

A Board

S1 Board

VM

C

H

D1

A

J

A2

N

D

A1

D2

C

A