Integra DTR-5.9 Service Manual page 89

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SERVICE PROCEDURE-2
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.
Ex.
V e r .1 . 0 3 /0 8 6 3 0 A
2. Press + (Tone) button while the version is displayed. Then, "D S PS R 6 0 6:0 8 6 1 1A" 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.
V e r .1 . 0 3 /0 8 6 3 0 A
- (Tone)
D S P S R 6 0 6 :0 8 6 1 1 A
V D 1 .2 0 /0 8 6 0 6 A
3. Press On/Standby button to power off
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L 13942296513
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.
Front
L ch
Q6000, 6010
Q6030, 6040
Q6050, 6060
C6040
R6020, 6070
R6080, 6090
R6100
Refer to "SCHEMATIC DIAGRAMS-2 (POWER AMPLIFIER SECTION)"
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N E T :1 . 0 0
Center
R ch
Q6001, 6011 Q6002, 6012
Q6031, 6041 Q6032, 6042
Q6051, 6061 Q6052, 6062
C6041 C6042
R6021, 6071 R6022, 6072
R6081, 6091 R6082, 6092
R6101 R6102
<Ex.> Front Lch
+1.1V
R6020
+1.0V
+0.6V
7
-0.3V
IDLING
ADJ.
R6040
-0.4V
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-0.6V
y
-1.1V
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2 9
8
Version of Main microprocessor FW (Q701)
+ (Tone)
Version of DSP FW (Q282)
Version of Video FW (Q8085)
Version of Network microprocessor FW (Q1001)
Q Q
3 6 7 1 3
Surround
L ch R ch
Q6003, 6013 Q6004, 6014
Q6033, 6043 Q6034, 6044
Q6053, 6063 Q6054, 6064
C6043 C6044
R6023, 6073 R6024, 6074
R6083, 6093 R6084, 6094
R6103 R6104
+54.5V +B
Q6030 IPRO
L
R6080
Q6050
Q6070
R6140
IDLING
CHECK
P6080
ID+
ID-
R6090
Q6060
VPRO
R6170
VOLH
D6000 R6180
Q6040
.
-54.5V -B
9 4 2 8
1 5 0 5 8 2 9 9 4
Surround back
L ch R ch
Q6005, 6015 Q6006, 6016
Q6036, 6046
Q6035, 6045
Q6055, 6065 Q6056, 6066
C6045 C6046
R6025, 6075 R6026, 6076
R6085, 6095 R6086, 6096
R6105 R6106
m
co
DTR-5.9
9 9
2 8 9 9