DOWNLOAD Sony KLV-S15G10 / KLV-S20G10 Service Manual ↓ Size: 10.65 MB | Pages: 89 in PDF or view online for FREE

KLV-S15G10/S20G10 (UC/WB)     5

1-1.

CONTROL BUTTONS ...................................... 1-1

1-2.

LED INDICATORS ........................................... 1-1

1-3.

FAILURE DIAGNOSIS BY THE NUMBER OF

LED BLINKING TIMES ................................... 1-1

2-1.

KLV-S15G10 ..................................................... 2-1

2-1-1. REAR COVER AND STAND ASSY

REMOVAL .................................................... 2-1

2-1-2. REAR CABINET ASSY REMOVAL .......... 2-1

2-1-3. A BOARD REMOVAL ................................. 2-2

2-1-4. B BOARD REMOVAL ................................. 2-2

2-1-5. H4 BOARD REMOVAL ............................... 2-3

2-1-6. H2 BOARD REMOVAL ............................... 2-3

2-1-7. LCD PANEL REMOVAL ............................. 2-4

2-1-8. SPEAKER REMOVAL ................................. 2-5

2-2.

KLV-S20G10 ..................................................... 2-6

2-2-1. REAR COVER AND STAND ASSY

REMOVAL .................................................... 2-6

2-2-2. REAR CABINET ASSY REMOVAL .......... 2-6

2-2-3. A BOARD REMOVAL ................................. 2-7

2-2-4. B BOARD REMOVAL ................................. 2-7

2-2-5. H1 BOARD REMOVAL ............................... 2-8

2-2-6. H4 BOARD REMOVAL ............................... 2-8

2-2-7. D BOARD REMOVAL ................................. 2-9

2-2-8. H2 BOARD REMOVAL ............................... 2-9

2-2-9. LCD PANEL REMOVAL ............................. 2-10

2-2-10. SPEAKER REMOVAL ................................. 2-11

3-1.

SPECIFICATIONS FOR SERVICE MODE .... 3-1

3-1-1.Displaying Service Menu .................................. 3-1

4-1.

BLOCK DIAGRAMS ........................................ 4-1

(1)

A (1/2) Board (KLV-S15G10 Only) ............. 4-1

(2)

A (2/2) Board (KLV-S15G10 Only) ............. 4-2

(3)

A (1/2) and H1 Boards

(KLV-S20G10 Only) ..................................... 4-3

(4)

A (2/2) Board (KLV-S20G10 Only) ............. 4-4

(5)

B, H2 and H4 Boards ..................................... 4-5

(6)

D Board (KLV-S20G10 Only) ...................... 4-6

4-2.

FRAME DIAGRAMS ........................................ 4-7

4-2-1. KLV-S15G10 ................................................. 4-7

4-2-2. KLV-S20G10 ................................................. 4-8

4-3.

CIRCUIT BOARDS LOCATION ..................... 4-9

4-3-1. KLV-S15G10 ................................................. 4-9

4-3-2. KLV-S20G10 ................................................. 4-9

4-4.

SCHEMATIC DIAGRAMS AND PRINTED

 WIRING BOARDS ........................................... 4-9

(1)

Schematic Diagrams of A Board

(KLV-S15G10 Only) ..................................... 4-10

(2)

Schematic Diagrams of A Board

(KLV-S20G10 Only) ..................................... 4-14

(3)

Schematic Diagrams of D Board

(KLV-S20G10 Only) ..................................... 4-18

(4)

Schematic Diagram of H1 Board

(KLV-S20G10 Only) ..................................... 4-23

(5)

Schematic Diagram of H2 Board .................. 4-24

(6)

Schematic Diagram of H4 Board .................. 4-25

4-5.

SEMICONDUCTORS ....................................... 4-26

5-1.

KLV-S15G10 ..................................................... 5-2

5-1-1. REAR CABINET ASSY AND STAND ASSY

........................................................................ 5-2

5-1-2. CHASSIS-1 ...................................................... 5-3

5-1-3. CHASSIS-2 ...................................................... 5-4

5-1-4.PACKING MATERIALS ................................. 5-5

5-2.

KLV-S20G10 ..................................................... 5-6

5-2-1. REAR CABINET ASSY AND STAND ASSY

........................................................................ 5-6

5-2-2. CHASSIS-1 ...................................................... 5-7

5-2-3. CHASSIS-2 ...................................................... 5-8

5-2-4. PACKING MATERIALS ................................ 5-9

KLV-S15G10/S20G10 (UC/WB)     1-1E

CONTROL BUTTON

(3)    VOLUME

(1) FREEZE

(6) POWER LED

(7) TIMER LED

(8) Infrared Receiver

(2) TV/VIDEO

LED INDICATOR

(5) POWER

(4)     CHANNEL

<LED Indication>

Remarks

Microcomputer is in the sleep mode.

Microcomputer is working normally.

Microcomputer is working normally.

Causes of failures are classified by the number of red LED blinking times.
(See the table below.)
Aging time is classified by blinking of the green LED. (See the table below.)

Status

Power off
Power on
Off-timer off
Power on
Off-timer on

Failure

Aging

Main power LED

Off

On (green)

On (green)

Off

Blink (green)

Standby/Off-timer LED

Off

Off

On (red)

Blink (red)

Off

•

When safety shutdown occurs, causes of failures (faulty locations) can be identified by the number of LED blinking times.

•

Since there are many monitoring items, identify faulty locations by the number of LED blinking times as shown in the table below.

< Failures Classified by the Number of LED Blinking Times >

Items monitored

Classification of failures

Number of red LED blinking times

Malfunction of TRIDENT circuit

Failure of scaler

8

Malfunction of backlight

Failure of panel

4

Panel temperature rise

Abnormal temperature of main unit

7

Abnormal voltage of A board

Failure of power supply

2

Abnormal voltage of B board

Failure of power supply

3

Abnormal voltage of main power line

Failure of power supply

5

KLV-S15G10/S20G10 (UC/WB)     2-1

2

 Four screws

   (+PSW 4x12)

3

 Stand assy (15)

1

 Rear cover (15)

1

 Six screws

   (+BVTP 4x12)

2

 Rear cabinet assy (15)

KLV-S15G10/S20G10 (UC/WB)     2-2

1

 Two screws

   (+BVTP 3x10)

3

 Five screws

   (+BVTP 3x10)

5

 Seven screws

   (+BVTT 3x6)

6

 A board

2

 Side jack holder assy

4

 Terminal board bracket

1

 Two screws

   (+BVTT 3x6)

6

 Three screws

   (+BVTT 3x6)

3

 Flexible connector assy 21P

4

 Flexible connector assy 25P

5

 Flexible connector assy 50P

7

 B board

2

 Radiation board