Integra DTR-4.9 Service Manual page 73

QQ
3 7 63 1515 0
SERVICE PROCEDURE-2
5. To check version of Main microprocessor, DSP and Network 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.
M a i n 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.
M a i n 1 .0 3 /0 8 6 3 0 A
- (Tone)
D S P S R 6 0 6 :0 8 6 1 1 A
3. Press On/Standby button to power off
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
TE
L 13942296513
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)"
www
.
http://www.xiaoyu163.com
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
-0.6V
-1.1V
x ao u163
y
i
http://www.xiaoyu163.com
2 9
8
Version of Main microprocessor FW (Q701)
+ (Tone)
Version of DSP FW (Q282)
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
m
co
DTR-4.9
9 9
2 8 9 9