Harman Kardon AVR 158 (serv.man3) Service Manual ▷ View online
Harman Kardon
AVR 156+158/230V Service Manual
Page 125 of 139
Harman Kardon
AVR 156+158/230V Service Manual
Page 126 of 139
11.05.17
11.05.17
11.05.17
1
Wiring
Y.W.Y
L.J.H
K.M.S
AVR1XX
B
1
2
3
4
5
D
C
B
A
6
C
D
A
APPROVE
CHECK
DESIGN
DRAWING NO
1
1
MODEL
SHEET
1
SCHEMATIC DIAGRAM
REVISION
1
2
3
4
5
6
7
VFD AC
AC45V
AMP
FRONT
HDMI
VIDEO
FAN
CN71
H/P
REMOTE
S/T PCB
POWER1
MAIN TRANS
POWER2
USB/ANALOG IN
V/R PCB
19 P C/C
WF105
6P
CN1
WF101
31 P C/C
CN72
CN51
5P WIRE
BN51
5P WIRE
17 P C/C
WF104
BN2
CN20
9P WIRE
BN20
CN2
BN82
11P WIRE
27P C/C
WF103
CN12
22P
CN18
3P WIRE
BN50 IPOD
BN54
BN1
6P
BN73
CN73
BN74
CN74
5P WIRE
5P WIRE
CN61
BN61
BN52
3P WIRE
CN96
9P WIRE
BN90
MOMS
CN92
AC CORD
CN91
TRANS
CN65
CN3
CN4
CN1
CN2
5P WIRE
7P WIRE
CN89
CN10
CN10
FAN TEST
CN53
3P WIRE
WF1
R904 삭제
6P
+15VA
-15VA
3.3V
8V
+15VA
-15VA
8V
+15V
-15V
ST5V
P-U
USB5V
ST5V
+5VD
+12V
+15V
-15V
ST5V
+5VD
MUTE PO
-20V
+20V
PULL-UP
DC15V
AC
S1
MUTE_P
DC15V
DC15V
H_AUDIO
H_CONT
BN96
CN20
Harman Kardon
AVR 156+158/230V Service Manual
Page 127 of 139
AMPLIFIER SECTION BIAS ADJUSTMENT
Measurement condition
.No input signal or volume position is minimum.
.No input signal or volume position is minimum.
Standard value
.Ideal current = 48mA (± 5%)
.Ideal DC Voltage = 25.92mV (± 5%)
.Ideal current = 48mA (± 5%)
.Ideal DC Voltage = 25.92mV (± 5%)
DC VOLTMETER ; Connect to
CN66(FR),CN61(CNT),CN64(SR),CN63(FL),CN
NO.
1
2
3
2
3
Surround Left
Surround Right
4
5
5
Channel
Front Left
Front Right
Center
CN64
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
25.92mV (± 5%)
CN66
CN61
CN62
CN61
CN62
Adjust for
Adjustment
25.92mV (± 5%)
CN63
CN6ͧ
CN6͑͑͑͑͑͑͑͑͑͑͑͢ʹN6ͥ͑͑͑͑͑͑͑͑͑ʹN6ͤ͑͑͑͑͑͑͑͑͑͑ʹN62
+
-
DC EVM͑
(AMP PCB
62(SL)
VR86
VR85
VR84
VR82
VR87
Harman Kardon
AVR 156+158/230V Service Manual
Page 128 of 139
