Harman Kardon HK3490 Service Manual page 107

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
Q208
KTC2874B
B
JK22
SUB-OUT1
SUB_OUT2
Q342
KRA107M
Q343
KRC107M
21
TRIG 1 24
R241 10
22
1
10 10
TRIG 2 R240
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 ON OFF OFF
OFF OFF
5 4
HK3490
R351
47(1/4W)
R347
KTA1268
3.3(1/4W)
Q307
Q313
R305 C351
KTA1268 KTA1360Y
470
100P Q309
KTC3114A
R307
Q317
10
R345
C311
VR31
330
KTC3200 12P
KTC3200
Q305
Q311
Q315 R349
KTC3423Y
3.3(1/4W)
R353
47(1/4W)
R352
47(1/4W)
R348
3.3(1/4W)
KTA1268
C352 Q308
R306 Q314
KTA1360Y
470 100P
KTA1268
Q310
KTC3114A
Q318
R308
10
VR32
R346
C312 330
12P
KTC3200
Q306 Q312
KTC3200
R350
Q316
KTC3423Y
3.3(1/4W)
R354
47(1/4W)
Q209
KRA107M
R231
Q207 R235 R242 R233
+VCC
KTC2874B 3.3K 10k(1/4W) 5.6K
8.2K(1/4W)
R234
3.3K
Q210
F_MUTE
KRC107M
-15VA
+15VA
Q344
KRA107M
Q345
KRC107M
3
+VCC2
+VCC PROTECT_L
Q319
2SD2401
KSC2785Y
Q323
R359
1K
R371
47(1/4W)
R373
47(1/4W)
L301
0.5uH
+15VA
R361
1.8K
Q321
2SB1570
-VCC2
-VCC
D307
1SS133M
+VCC
Q320
2SD2401
KSC2785Y
Q324
R360
1K
R372
47(1/4W)
R374
47(1/4W)
L302
0.5uH
R362
1.8K
Q322
2SB1570
-VCC
Q101 C2316Y D104
1N4003S
R103
1.2K
R104
! C108
+15VA
47K
0.0047
RY11 HK3390
USA:T 6.3A L 250V
Q102 Q103
EUR:T 4A L 250V
C107M C107M
HK3490
USA:T 8A L 250V
EUR:T 6.3A L 250V
R106 D105
+15VA
82(1/4W) 1SS133M
D106 1SS133M
R107
T 2.5A L 250V
2.2K
IC11 Q104
KSC2785Y T102
OUT IN R108 D109
3 1
10(1W) 1N4003S
KIA7805
GND
2
D110
1N4003S
!
R130 D127 R128
47K 1SS133M 2.2K (1/4W)
1 2
OUT VDD
HVIS-80842CNY-X
IC14 VSS 3
CN13
1 2 3 4 5 6 7 8 9
FROM FRONT : 2mm pitch
107
2
harman/kardon
Q341
C107M
Q339
C107M 1 3 5
Q340
A107M
2 4 6
R386
1K
Q331 RY33
KSA1175Y
RY32
D309
1SS133M
D308
Q335
1SS133M
C107M
Q337
A107M
Q336
C107M
Q338
A107M
SPK2 SPK1
R391
-15VA
47
D113
600V/8A
1
+VCC
ET11
+VCC1
JW11
HK3390 : 10000/63
-VCC1
HK3490 : 15000/63
-VCC
IC12
OUT IN D114
3 1
+15VA
1N4003
L7815
GND
D115
2
JW12
1N4003S
D116
1 1N4003S
GND
L7915 D117
-15VA 3 2
1N4003S
OUT IN
IC13
R105
** IMPORTAT SAFETY NOTICE.
0.47(1W)
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)
-6
pF = 10 uF
** THIS SCHEMATIC DIAGRAM MAY MODIFIED AT ANY TIME WITH THE
USA : AC 120V/60Hz
<F601>
IMPOROVEMENT OF PERFORMANCE.
!
EUR : AC 230V/50Hz
P4
BLK
F101
RED ISSUE
P5
! !
F102
2008.02.23
OL11
REVISION 2
1 3
CHGND SCHEMATIC DIAGRAM
C123
470P
HK3390/3490
MODEL
CN18
2 1
MOMS SW DESIGN CHECK APPROVE
Choi.D.C Lee.K.M Kim.J.H
08.02.23 08.02.23 08.02.23
1
D
HP_IN
R378
270(2W) HPR
R377
270(2W) HPL
JK31
1
+
SPK1_FL
-
2
3
+
SPK2_FL
-
4
5
+
SPK1_FR
-
6
7
+
SPK2_FR
-
8
9
10
C
RED
P1
BLK
! P2
2
BLU
4 P3
3
B
M/P
4 6
5 7
A
SHEET
2
4
DRAWING NO
12060SCMY
(MAIN) 1
1