Read Sony KDS-R50XBR1 / KDS-R60XBR1 Service Manual online
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KDS-R50XBR1/R60XBR1
RM-Y914
RM-Y914
- The results display is not automatically cleared. In case of repairs and after repairs, check
the self-diagnosis screen and be sure to return the results display to "0".
- If the results display is not returned to "0" it will not be possible to judge a new malfunction
after completing repairs.
<Method of Clearing Results Display>
1. Power off (Set to the standby mode)
2.
Channel
Vol
3. Channel
<Method of Ending Self-Diagnosis Screen>
- When ending the self-diagnosis screen completely, turn the power switch OFF on the
remote commander or the main unit.
5. Self-Diagnosis function operation
8
ENTER
DISPLAY
5
-
POWER
2
:
Temp
When the temperature sensor (for Ambient) on the S1 board detects high
temperature or the temperature sensor (for Lamp) on the S2 board detects
high temperature or the temperature sensor (for Panel) on the C board detects
high temperature, the DE-micro (IC5) turns off the lamp.
temperature or the temperature sensor (for Lamp) on the S2 board detects
high temperature or the temperature sensor (for Panel) on the C board detects
high temperature, the DE-micro (IC5) turns off the lamp.
3
:
Lamp cover
The rib at the back of the lamp cover closes the SW on the T1 board. The lamp
closes the SW on the T2 board.
It is monitored by DE-micro (pin63 of IC5) and turned off the lamp when it is
opened.
closes the SW on the T2 board.
It is monitored by DE-micro (pin63 of IC5) and turned off the lamp when it is
opened.
4
:
Fan
Fan rotation is detected by ‘‘FAN-PROT” and the DE-micro (pin92 of IC5) turns
off the lamp when it is ‘‘high”.
off the lamp when it is ‘‘high”.
5
:
Lamp Driver
When the ‘‘LAMP-PROT” (pin83 of IC5) is high, the lamp is not turned on.
If the ‘‘LAMP-HV-DET” (pin94 of IC5) is low at the same time, it classified as
no high voltage of the lamp driver.
If the ‘‘LAMP-HV-DET” (pin94 of IC5) is low at the same time, it classified as
no high voltage of the lamp driver.
6
:
Low B error
When no ‘‘D5V (SW_5V)” is detected, pin 129 of TV-micro (IC7002) is low and
it turns off the main power. (for example, blowout of thermal fuse).
it turns off the main power. (for example, blowout of thermal fuse).
7
:
Audio
When DC voltage is detected at the speaker output, ‘‘SP-PROT” (pin102 of IC5)
is low and it turns off the main power.
is low and it turns off the main power.
8
:
D-OVP
Be not in use.
9
:
Panel error
When there is not ack from the temperature sensor on the S1, S2 and C board or
IIC line connector (CN2303: ASU board, CN7956: DSU board, CN6901: C board)
is not seated securely. it is monitored by DE-micro.
IIC line connector (CN2303: ASU board, CN7956: DSU board, CN6901: C board)
is not seated securely. it is monitored by DE-micro.
10
: ATSC-OVP
Be not in use.
LAMP
:
Lamp
When the ‘‘LAMP-PROT” (pin83 of IC5) is high, the lamp is not turned on.
If the ‘‘LAMP-HV-DET” (pin94 of IC5) is high at the same time, it classified
as no lamp or a dead lamp.
If the ‘‘LAMP-HV-DET” (pin94 of IC5) is high at the same time, it classified
as no lamp or a dead lamp.
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