Pioneer HRD0068 Panduan Servis - Halaman 25

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Pioneer HRD0068 Panduan Servis

6. ADJUSTMENT

No.
Item
1
Idling current
Input ; adjust 30 seconds after 1kΩ terminate
(adjustment)
2
DC-DC Converter Input ; adjust 30 seconds after 1kΩ terminate
voltage
(adjustment)
- Connection Diagram
DC Regulated
Power Supply
mV Meter
(1)
mV Meter
(1)
mV Meter
(3)
mV Meter
(2)
Conditions
power is switched on, and within 20
seconds.
power is switched on, and within 20
seconds.
+14.4V
VR951
VR952
E
Q215
C
VR201
E
Q216
E
Q115
C
VR101
E
Q116
C
+
AMP UNIT
GND
+
BR
1kΩ
GND
1kΩ
BL
GM-X1024,GM-X924
Adjustment point
VR101(A Lch)
VR201(A Rch)
VR301(B Lch)
VR401(B Rch)
VR951
VR952
4Ω
(2W)
SPEAKER A
OUTPUT
4Ω
(2W)
4Ω
(2W)
SPEAKER B
OUTPUT
4Ω
(2W)
Q415
VR401
E
Q416
E
Q315
VR301
E
Q316
E
AR
1kΩ
1kΩ
AL
Specifications
mV Meter(1) : 20±6mV
mV Meter(2) : +29±3V
mV Meter(3) : –29±3V
mV Meter
(1)
mV Meter
(1)
Fig. 12
25