Schematic Diagrams - Harman Kardon HK 3490 Service Manual

harman/kardon
6
D
TONE_R_OUT
TONE_L_OUT
C307,308,309,310 ==>
HK3390 : 220/63
HK3490 : 470/63
SUB ON_2
SUB_MONO
SUB ON_1
R357, R358 ==>
HK3390 : 510
HK3490 : 270
SPK2
SPK1
C
HP_ON
HP_IN
-15VA
+15VA
PROTECT_L
F_MUTE
JK21
PRE-OUT
R203
100
MAIN
INPUT
R204
100
B
JK22
SUB-OUT1
SUB_OUT2
KRC107M
21
TRIG 1 24
R241 10
22
1
10
TRIG 2 R240 10
2
JK23
+15VA
CN23
11 10 9 8 7 6 5 4 3 2 1
11 10 9 8 7 6 5 4 3 2 1
BN23
A SW21
SW22
ON
ON ON OFF
OFF OFF
5
KTA1268
Q307
Q313
C351
R305
KTA1268 KTA1360Y
470 100P Q309
KTC3114A
R307
Q317
10
R345
C311
VR31
330
KTC3200 12P
KTC3200
Q305
Q311
Q315
KTC3423Y
KTA1268
Q308
C352
R306 Q314
KTA1360Y
470 100P
KTA1268
Q310
KTC3114A
Q318
R308
10
VR32
R346
330
C312
12P
KTC3200
Q306
Q312
KTC3200
Q316
KTC3423Y
47(1/4W)
Q209
KRA107M
R231
Q207 R235 R242 R233
KTC2874B
3.3K 10k(1/4W) 5.6K 8.2K(1/4W)
Q208 R234
KTC2874B 3.3K
Q210
KRC107M
-15VA
Q342
KRA107M
Q343
+15VA
Q344
KRA107M
Q345
KRC107M
ON
OFF
4 3
+VCC2
R351
+VCC
47(1/4W)
R347
3.3(1/4W)
Q319
2SD2401
KSC2785Y
Q323
R359
1K
R371
47(1/4W)
R373
47(1/4W)
L301
0.5uH
R361
1.8K
R349
3.3(1/4W)
Q321
2SB1570 -VCC2
R353
-VCC
47(1/4W)
R352
+VCC
47(1/4W)
R348
3.3(1/4W)
Q320
2SD2401
KSC2785Y
Q324
R360
1K
R372
47(1/4W)
R374
47(1/4W)
L302
0.5uH
R362
1.8K
R350
3.3(1/4W)
Q322
2SB1570
R354
-VCC
+VCC
Q101
C2316Y
R103
1.2K
F_MUTE
R104
+15VA
47K
Q102 Q103
C107M C107M
R106 D105
+15VA
82(1/4W)
1SS133M
IC11
OUT IN
R108
3 1
KIA7805 10(1W) 1N4003S
GND
2
1N4003S
R130 D127
47K 1SS133M
1 OUT VDD 2
HVIS-80842CNY-X
IC14 VSS 3
CN13
1 2 3 4 5 6 7 8 9
FROM FRONT : 2mm pitch
2
PROTECT_L
Q341
C107M
Q339
C107M
+15VA
R386
1K
Q331 RY33
KSA1175Y
D309
1SS133M
D307
1SS133M
Q335
C107M
Q337
A107M
SPK2
R391
-15VA
47
+VCC
+VCC1
JW11
-VCC1
-VCC
IC12
OUT IN
+15VA 3 1
L7815
GND
2
1
GND
L7915
3 2
-15VA
OUT IN
IC13
D104
1N4003S
R105
0.47(1W)
! C108
0.0047 USA : AC 120V/60Hz
<F601>
!
RY11 HK3390
EUR : AC 230V/50Hz
USA:T 6.3A L 250V
EUR:T 4A L 250V
HK3490
USA:T 8A L 250V
P4
EUR:T 6.3A L 250V
BLK
F101
RED
D106 1SS133M P5
! !
R107
T 2.5A L 250V
F102
2.2K Q104
KSC2785Y T102
D109
OL11
D110
!
R128
2.2K (1/4W)
CHGND
C123
470P
CN18
2 1
MOMS SW
HK 3490/230 Service Manual
1
HP_IN
R378
HPR
270(2W)
R377
1 3 5
HPL
270(2W)
Q340
A107M
2 4 6
JK31
1
+
SPK1_FL
-
2
RY32
3
+
SPK2_FL
-
4
5
+
SPK1_FR
-
6
D308
7
+
1SS133M SPK2_FR
-
8
9
Q336 10
C107M
Q338
A107M
SPK1
RED
P1
D113 BLK
! P2
600V/8A 2
BLU
1 4 P3
3
ET11
HK3390 : 10000/63
HK3490 : 15000/63
D114
1N4003
D115
JW12
1N4003S
D116
1N4003S
D117
1N4003S
** IMPORTAT SAFETY NOTICE.
COMPONENT IDENTIFIED BY MARK HAVE SPECIAL CHARACTERISICS.
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 = 1000KOHM.
** THE UNIT OF CAPACITANCE IS MICROFARAD(uF)
pF = 10 uF -6
** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
IMPOROVEMENT OF PERFORMANCE.
ISSUE
ANAM M/P
MULTI. LAB
2008.02.23
REVISION 2 4 6
1 3 5 7
SCHEMATIC DIAGRAM
SHEET
HK3390/3490 2
MODEL
DESIGN CHECK APPROVE DRAWING NO
12060SCMY
Choi.D.C Lee.K.M Kim.J.H
(MAIN)
08.02.23 08.02.23 08.02.23
D
C
B
A
4
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