Read Sony KV-HR29M91 Service Manual online
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KV-HR29M91/HR34M91
RM-1007
RM-1007
5.
After the self-diagnosis operation
•
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>
<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.
1. Power off (Set to the standby mode)
2.
b 5 b + b (Service Mode)
3. Channel 8
b 0 (Test reset = Factory preset condition)
=/1
AUDIO PROT
(FROM A BOARD)
LOW-B ERR
(FROM A BOARD)
HV-PROT
(FROM D BOARD)
AC-RLY
(TO A BOARD)
OCP
(FROM A, D BOARD)
MAIN MICRO-
COMPUTER
IC101
M306V2
I2C BUS
YCJ IC201
CXA-2170Q
OVP
HV PROT
OCP
AKB
H-ST
OP
V-
S
T
OP
PF
MICRO-
COMPUTER
IC102
OVP
(FROM A, D BOARD)
I2C BUS
• I2C YCJ RETURN DATA
1
1
1
1
1
1
1
1
LED
BLINKING
TIMES
MG BOARD
SYMPTOM
2
3
4
5
6
7
8
9
3
4
5
6
7
8
9
10
+B OCP
+B OVP
V-STOP
AKB
LOW-B ERROR
H-STOP
AUDIO PROT
Z DET
HV PRT
+B OVP
V-STOP
AKB
LOW-B ERROR
H-STOP
AUDIO PROT
Z DET
HV PRT
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