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Input Video Signal:............................................................All White Signal
Picture level:..............................................Picture/Brightness Adjustment

1.  Short across C8002, C8021, C8052, C8012, and C8015.  
2.  Set ABL current to 2.76mA by adjusting picture and brightness 
  towards max condition. 
3.  Adjust HV to obtain 35.7 ± 0.15kV by precision RV1 jig.
4  Remove short from C8002 and confi rm that hold down activates.
5.  Short C8002 again and confi rm that HV recovers.
6.  Re-adjust HV to obtain 32.2 ± 0.2 kV by precision VR1 jig.
7.  Remove shorts from C8002, C8021, and C8052.
8. Confi rm that hold down does not activate.
9.  Remove short from C8012 and C8015.
10. Remove VR1 jig from D board

Input Video Signal:............................................................All White Signal
Picture level:...............................................Picture/Brightness Adjustment

1.  Short across C8015.
2.  Set ABL current to 2.76mA by adjusting picture and brightness 
  towards max condition.
3. Confi rm that AC Relay shuts off.
4.  Remove short from C8015 and Short across C8012.
5.  Turn the set off and on to reset AC relay latch.
6. Confi rm the voltage at CN5009 pin 8 (H_prot) = 3.6 ± 0.5V.
7.  Remove short from C8012.

1.  Using an external DC power supply, apply 5.3 + 0.5 Vdc
   between Pin 2 of CN507 (jig connector) and ground (Pin 8) on 

A board.

2. Confi rm that hold down activates.
3.  Remove the external DC power supply.

1.  Re-solder CN5001 pin 1 and CN5009 pin 8 to restore A -D 

connections. 
(Or as applicable, restore A –D connector by carefully pressing the 
tab back into the slot and snapping the connector shut.  Be sure the 
tab is fl ush and level with the other tabs on the connector.)

2.  Remove jumper wire from M board connection CN2304 pin 1 to 

CN509 pin 1. 

3.  Remove current meter from ABL pin and restore ABL pin connection.
4.  Replace all D board screws and restore user menu settings to reset 

condition.

Confirm:

- Ik Protector

Refer to P. 38

YES

Is the spare part on 

P. 40 changed? 

Is D Board 

NO

Start

Which category part 

on P. 40 changed?

NO

YES

Finished with HV service

Confirm:

- HV

- HV Protector

- Ik Protector

Refer to P. 37/38

Confirm:

- HV Protector

Refer to P. 37/38

Confirm:

- B+

Refer to P. 37

Confirm:

- HV

Refer to P. 37/38

Confirm:

- B+

- Hold Down

Refer to P. 37

Category A

Category B

Category C

Category D

Category E

T8001

A

R8015

C

R8017

C

R8019

D

R8035

E

R8036

E

R8037

E

R8038

E

R8039

E

R8040

E

R8043

E

R8078

D

R8165

D

IC8005

C

IC8104

D

R8012

C

R8014

C

R8016

D

R8021

C

R8027

E

R8029

E

R8030

E

R8031

E

R8046

D

R8052

D

R8059

C

R8060

C

R8066

C

R8072

D

R8079

D

R8082

E

R6590

B

D8022

D

PH8003

C

Q8007

E

Q8008

E

IC8001

D

IC8002

C

IC8004

C

IC6503

B

3

Increase 
Data Value

POWER

(Service Mode)

(Enter into 
memory)

MUTING

6

Decrease 

Data Value

5

Display 

Previous Category

VOLUME (+)

(Service Mode)

Display 
Next Item

1

Display

Next Category

2

Display 

Previous Item 

4

(Initialize)

8

DISPLAY

(Service Mode)

(Remove from 
Memory)

0

ENTER

(Enter into Memory)

Use the Remote Commander (RM-Y199) to perform the circuit adjustments in this section.

Test Equipment Required:  

1. Pattern generator   2. Frequency counter   3. Digital multimeter  4.  Audio oscillator

1.  Standby mode (Power off).
2.  Press the following buttons on the remote commander within a 

second of each other: 

  DISPLAY   

Channel 

5  

 Sound Volume  +  

  POWER

  The screen displays the fi rst service data category item.

VERSION

Category

Item

Data Value

0

0

VER

FULL

SERVICE

3.  On the Remote Commander, press  2  or  5  to select the category.
4. Press 1  or  4  to select the item.
5. Press 3  or   6  to change the data.
6. Press MUTING  then  ENTER  to write into memory.

VERSION

Category

Item

Text changes to 

“WRITE” and 

changes from 

green to red

Data Value

0

0

VER

FULL

WRITE

1. Access Service Adjustment Mode.
2. Press 8  on the Remote Commander to initialize.

VERSION

Category

Item

Text changes to 

“RESET” and 

changes from 

green to red

Data Value

0

0

VER

FULL

RESET

3.   DO NOT turn off set until “SERVICE” appears.