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DTR-5.9
SERVICE PROCEDURE-2
V e r . 1 . 0 3 / 0 8 6 3 0 A
Ex.
V e r . 1 . 0 3 / 0 8 6 3 0 A
<Ex.> Front Lch
Refer to “
SCHEMATIC DIAGRAMS-2
(POWER AMPLIFIER SECTION)
”
IPRO
VPRO
VOLH
+B
-B
L
+1.0V
-0.6V
+0.6V
-0.3V
ID+
ID-
+1.1V
-1.1V
-0.4V
+54.5V
-54.5V
Q6030
R6080
R6090
R6020
Q6060
R6050
R6170
Q6050
R6140
R6150
D6010
C6050
C6040
+
R6070
Q6040
D6000 R6180
R6030
R6000
R6010
R6040
Q6010
R6190
R6160
Q6070
P6080
Q6000
R6100
P6000B
7
IDLING
ADJ.
IDLING
CHECK
V D 1 . 2 0 / 0 8 6 0 6 A
N E T : 1 . 0 0
D S P S R 6 0 6 : 0 8 6 1 1 A
5. To check version of Main microprocessor, DSP, Video microprocessor and Netwok microprocessor FW
1. Press and hold down
Display
button, then press
On/Standby
button when the unit is power on.
The main microprocessor version will be displayed on Front Display for about 3 seconds.
2. Press
+
(Tone)
button while the version is displayed. Then, "
D S P S R 6 0 6 : 0 8 6 1 1 A
" will be displayed.
In this way, as
+
(Tone)
button is pressed while a version is displayed, the next information will be displayed.
If
-
(Tone)
button is pressed, the order will be reversed.
3. Press
On/Standby
button to power off
+
(Tone)
-
(Tone)
Version of Main microprocessor FW (Q701)
Version of DSP FW (Q282)
L ch
R ch
Center
Surround
Front
L ch
R ch
Q6000, 6010
Q6030, 6040
Q6050, 6060
C6040
R6020, 6070
R6080, 6090
R6100
6. Replacing Power Amplifier Parts
When a power amplifier of certain channel is broken and goes into Protect mode, the following parts in the channel
must be replaced at the sametime, because these parts get damage in most cases.
Q6001, 6011
Q6031, 6041
Q6051, 6061
C6041
R6021, 6071
R6081, 6091
R6101
Q6002, 6012
Q6032, 6042
Q6052, 6062
C6042
R6022, 6072
R6082, 6092
R6102
Q6003, 6013
Q6033, 6043
Q6053, 6063
C6043
R6023, 6073
R6083, 6093
R6103
Q6004, 6014
Q6034, 6044
Q6054, 6064
C6044
R6024, 6074
R6084, 6094
R6104
Q6005, 6015
Q6035, 6045
Q6055, 6065
C6045
R6025, 6075
R6085, 6095
R6105
Q6006, 6016
Q6036, 6046
Q6056, 6066
C6046
R6026, 6076
R6086, 6096
R6106
Surround back
L ch
R ch
Version of Video FW (Q8085)
Version of Network microprocessor FW (Q1001)