Harman Kardon AVR 170/230 Service Manual page 114

AVR170_MAIN_MP_CUP12458Z_A_0522(MP).sch-1 - Fri Jul 13 16:01:04 2012
Harman Kardon
6
SR-CH
D R524 C574
470 270P
Q514 Q519
KSC1845 KSC1845
SR C504
SIG15
50V/10uF
Q559
KSC1845
D504 R502
POWER_MUTE
1SS355 43K
WF61
OC_DETECT
OC_DETECT
FAN1_ON FAN1_ON
FAN2_ON Q544
FAN2_ON
MMBT5551
NC
P_M P_M
PROTECT
PROTECT
P_FAIL
P_FAIL
+12V
+12V
AGND
AGND
AGND
SUB_IN SL-CH
SIG12
SUB_IN
AGND
SL_IN
SIG13
SL_IN
AGND
CNT_IN
SIG14 C819
CNT_IN R872
AGND
470 270P
SR_IN
SR_IN SIG15
AGND
FL_IN
FL_IN SIG16
C
AGND
FR_IN
SIG18
FR_IN
AGND
Q818 Q819
KSC1845 KSC1845
SL C817
SIG13
50V/10uF
Q820
KSC1845
D803
R870
POWER_MUTE
1SS355 43K
Q824
MMBT5551
+VCC
SIG00
B
A
5
R634 +VCC
SIG00
18(1/4W)
Q660
2SD2390
Q504 Q874
A1360Y
OVER
KSA992
SIG06
Q604
KSA992
+1.2V
MMBT5551
Q684
Q854
R674
D600K
4.7K
R579
SIG14
10
R877
R679
330
-1.2V
1.8K
R669
C604
12P
Q564
47 (1/4W)
KSC1845 SR_CH
R699
SIG22
Q884
47 (1/4W)
C3423Y
L504
0.5uH
Q654
2SB1560
R639 -VCC
SIG01
18(1/4W)
R821 +VCC FR-CH
SIG00
18(1/4W)
Q803
2SD2390
Q876
A1360Y
Q816
OVER
KSA992
SIG06
Q812
KSA992
+1.2V
MMBT5551
Q801
Q856
R805
D600K
4.7K
R611
SIG18
10
R879
R808
330
C805 -1.2V 1.8K
R812
12P
Q813
47 (1/4W)
KSC1845
SL_CH
R813
SIG20
Q886
47 (1/4W)
C3423Y
L506
0.5uH
Q804
2SB1560
R822
-VCC SIG01
18(1/4W)
R961
POWER_MUTE FL-CH
330 Q961
A1024
P_M Q960
RT1N144
SIG16
POWER_MUTE
4 3
C-CH
R631
18(1/4W)
Q858
A1360Y
R521 C571 Q501
470 270P KSA992
Q601
KSA992
+1.2V
Q855
D600K
Q511 Q516
KSC1845 KSC1845
CNT C501 R576
50V/10uF 10
R878
330
-1.2V
C601
12P
Q556
Q561
KSC1845
KSC1845
D501 R501
POWER_MUTE
1SS355 43K
Q881
C3423Y
Q541
MMBT5551
R636
18(1/4W)
R632
18(1/4W)
Q871
A1360Y
C572
R522 Q502
470 270P KSA992
Q602
KSA992
+1.2V
Q857
D600K
Q512 Q517
KSC1845 KSC1845
FR C502 R577
50V/10uF 10
R880
330
-1.2V
C602
Q557 12P
Q562
KSC1845
D502 KSC1845
R504
POWER_MUTE
1SS355 43K
Q882
C3423Y
Q542
MMBT5551
R637
18(1/4W)
R633
18(1/4W)
Q872
C573 A1360Y
R523 Q503
470 270P KSA992
Q603
KSA992
+1.2V
Q852
D600K
Q513 Q518
KSC1845 KSC1845
C503
FL R578
50V/10uF 10
R875
330
-1.2V
C603
12P
Q558
Q563
D503 R505 KSC1845
KSC1845
1SS355 43K
Q883
C3423Y
Q543
MMBT5551
R638
18(1/4W)
**IMPORTANT SAFETY NOTICE.
COMPONENTS IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISTICS
IMPORTANT FOR SAFETY. WHEN REPLACING ANY OF THESE COMPONENTS,
USE ONLY MANUFACTURER'S SPECIFIED PARTS.
**THE UNIT OF RESISTANCE IS OHM.
K=1000 OHM, M=1000 KOHM
**THE UNIT OF CAPACITANCE IS MICROFARAD (uF).
- 6
1pF = 10 uF
**THIS SCHEMATIC DIAGRAM MAY BE MODIFIED AT ANYTIME
WITH THE IMPROVEMENT OF PERFORMANCE.
2
+VCC
SIG00
+12V
DC PROTECTOR
Q657
2SD2390 Operating: +2.7V~ , -2.9V~ Q939
RT1P144
MMBT5551 MMBT5551
OVER
Q942 Q941
0V
SIG06
MMBT5551
Q681
R671
4.7K
Q945
MMBT5551
+12V
R676
OVERLOAD DETECTION
1.8K 0V
R666
47 (1/4W)
CNT_CH
R696
SIG24
PROTECT
47 (1/4W)
L501 SIG06
OVERLOAD
0.5uH
Q661 CN10
R966
2SB1560 4.7K
PROTECT TEST
-VCC
SIG01 (SHORT) R960 4.7K
+12V
+VCC
SIG00
FAN TEST D981 R967
10K
1SS355
(SHORT)
Q658
2SD2390 CN11
+12V
Q924
A1271Y
OVER
SIG06
MMBT5551
Q682
R672
4.7K
Q915
MMBT5551
R677
1.8K
D970
R667 1SS355
FAN1_ON
47 (1/4W)
FR_CH
R697 FAN2_ON
SIG23
D971
47 (1/4W)
1SS355
L502
0.5uH
Q652
2SB1560
-VCC SIG01
+VCC
SIG00
+VCC
R937
0.1
Q659
2SD2390 R951
R938 R954
SIG00 0.1
1.0 1K
OVER
SIG06
Q937
Q940
MMBT5401
MMBT5401 R970
MMBT5551
Q683 JUMPER
R673
4.7K
R678
1.8K
R668
47 (1/4W)
FL_CH
R698
SIG21
47 (1/4W)
L503
0.5uH
SIG01
Q653 -VCC
2SB1560
-VCC SIG01
SUB out
SIG12
MP
ISSUE
ANAM
MULTI. LAB
12.05.22
AVR 170 / 230V Service Manual
1
CEN JK91
SIG24
1
C900
2
0.047u
SL
SIG20
3
C901
4
0.047u
SR
SIG22
5
C910
6
0.047u
FL
SIG21
1
C918
2
0.047u
SIG23 FR
3
C919
4
0.047u
JK92
NC PART
Q930
A1271Y
R922 R943
10(1W) 1W 22Ω
R931
47K
Q916
RT1N144
R923
1R0/1W
Q926
R926
A1271Y
FAN
47K
Q917
RT1N144
* 3 Step Detect *
3.9A : VCC 45V->38V
4.3A : VCC 38V->25V
7A: Protect
R971
OC_DETECT
10K
P_FAIL
Q913
MMBT5551
D903
1SS355
Q911
Q912 MMBT5401
MMBT5551
0315 Add
L915 BN60
+VCC
JUMPER
GND
L916
-VCC
JUMPER
JK90
R706
SUB_OUT
0
C924
0.1uF
D973
1SS355
D974 1SS355
REVISION 2 4 6
1 3 5 7
SCHEMATIC DIAGRAM
SHEET
AVR170
MODEL
10 12
DESIGN CHECK APPROVE DRAWING NO
12458SCMZ
J.W.J L.J.H Y.W.Y
Page 114 of 114
(AMP)
12.05.22 12.05.22 12.05.22
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FL
FR
C
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A
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