Pioneer GM-X822 Service Manual - Page 19

Adjustment

Get Pioneer GM-X822 PDF manuals and user guides View all Pioneer GM-X822 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 19 highlights

GM-X822,X722 6. ADJUSTMENT No. Item 1 Idling current (adjustment) 2 DC-DC converter voltage (adjustment) Conditions Input ; adjust 30 seconds after 1kΩ terminate power is switched on, and within 20 seconds. Input ; adjust 30 seconds after 1kΩ terminate power is switched on, and within 20 seconds. Adjustment point VR101(Lch) VR201(Rch) VR951 Specifications mV Meter(1) : 12mV±3mV mV Meter(2) : 30V±3V - Connection Diagram +14.4V DC Regulated Power Supply 4Ω (2W) SPEAKER OUTPUT 4Ω (2W) POWER GND SYSTEM CONTROL VR951 mV Meter (1) mV Meter (2) VR201 R228 E Q213 C AMP UNIT GND VR101 1kΩ R L 1kΩ R128 mV Meter (1) Fig. 8 19

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
GM-X822,X722
19
6. ADJUSTMENT
No.
Item
Conditions
Adjustment point
Specifications
1
Idling current
Input ; adjust 30 seconds after 1k
Ω
terminate
VR101(Lch)
mV Meter(1) : 12mV
±
3mV
(adjustment)
power is switched on, and within 20 seconds.
VR201(Rch)
2
DC-DC converter
Input ; adjust 30 seconds after 1k
Ω
terminate
VR951
mV Meter(2) : 30V
±
3V
voltage
power is switched on, and within 20 seconds.
(adjustment)
-
Connection Diagram
L
1k
Ω
R228
SYSTEM
CONTROL
GND
POWER
VR951
VR201
VR101
mV Meter
(1)
DC Regulated
Power Supply
mV Meter
(1)
E
C
Q213
GND
1k
Ω
R
mV Meter
(2)
AMP UNIT
4
Ω
(2W)
+14.4V
4
Ω
(2W)
SPEAKER
OUTPUT
R128
Fig. 8