Section 4: Circuit Adjustments; Remote Adjustment Buttons And Indicators; Accessing Service Adjustment Mode; Electrical Adjustments By Remote Commander - Sony TRINITRON KV-21FK120 Service Manual

Electrical Adjustments by Remote Commander

Use the Remote Commander (RM-Y194)
Test Equipment Required: 1. Pattern generator 2. Frequency counter 3. Digital multimeter 4. Audio oscillator
4-1. REMOTE ADJUSTMENT BUTTONS AND
INDICATORS
MUTING
(Enter into
memory)
1
(Display)
Item up
2
(Display)
Category up
4
(Display)
Item down
8
(Initialize)
VOLUME (+)
(Service Mode)
RM-Y194
KV-21FK120

SECTION 4: CIRCUIT ADJUSTMENTS

to perform the circuit adjustments in this section.
DISPLAY
(Service Mode)
POWER
(Service Mode)
3
(Adjust)
Data up
6
(Adjust)
Data down
5
(Display)
Category
down
ENT
(Enter into
memory)
0
(Remove
from
memory)
4-2. ACCESSING SERVICE ADJUSTMENT
MODE
Service Mode Procedure
1. Standby mode (power off).
2. Press DISPLAY
Channel 5
POWER on the Remote Commander (press each button within a
second).
NOTE: Setting the set in VIDEO mode will make it easier to read the
service data.
Service Adjustment Mode On
The CRT displays the fi rst Category in the Service list.
Category
DEF
Display
HSIZ
Item
Display
Data
M655E2AMF-107FP
1. On the Remote Commander, press 2 or 5 to select the Category.
2. Press 1 or 4 to select the Item.
3. Press 3 or 6 to change the Data.
4. Press MUTING then ENT to write into the memory.
Signal
Category Type
DEF NTSC
Display
HSIZ 1 : 51
Item
Display
Data
M655E2AMF-107FP
KV-21FK120
Sound Volume +
Signal Channel
Type Type
NTSC VIDEO1
1 : 51 NVM:OK
S 3.OD
Channel
Type
Text changes
WRITE
to "WRITE"
and changes
from green to red
S 3.OD
23