Harman Kardon HK 990/230 Service Manual page 114

VF1
C1
104
DGND
16-BT-151GINK
CN14
6
NC
5
PGC C3
104
4
PGD
3 DGND
+3.3V R2
GND
2
+3.3V
10R
1
DGND
RESET C5
104
6P(2.5)
DGND
TO FUSE BOARD
C12
CN1 7P(2.0)
1
F1
2
F2
DGNDDGND
3
+37V
4
GND DGND
5
RELAY
6
MCU+5V
7
LED+5V
LED+5V
TO MCU BOARD
6
STBY+5V
R3
5
GPIO_FAV
100R
4
MCU-MCLR
3
RXD
C2
2
TXD
104
1
GND
CN2
6P(2.0)
DGND
CN4
4
+5V
3
A
2
B
1
R44
DGND R45
10K
10K
4P(2.0)
DGND
+5V
16-BT-151GINK
R1
R50 R51
100R 100R
Q4
Q6
R6
27K
C1815
R52 C1815 R55
R54
R53
R85
DGND
10K
DGND DGND DGND
DGND
C9
104
R42
10K
D4
R4
+5V
DGND
37
42
22
44
43
IC2
PIC 18F66J10
LD1117S33
+3.3V
3 2 10
V IN V OUT
19
38
C14
57
C37
26
100U16 28
47U10
C36
104
DGND
DGND
DGND DGND
DGND
+3.3V
K15
TD-27XAX
R62
10K
DGND
Q9
2SC2406
Q8
2SC2406
R43 R65
R39
4.7K
10K 10K
+5V +3.3V
Q7
2SC2406
DGND
IC1
AT24C02
R66
R67
R68
C38
4.7K 4.7K 10K
104
+5V +3.3V
IC3
DGND
C16 R15 R30
R49
27
10K 27
RE0
RE1
PGD
RE2
PGC RE3
RE4
RA2
RE5
RB4
RE6
RB5 PIC 18F66J10
RE7
RF1
RF2
RF3
Vddcore/Vcap
RF4
AVDD
RF5
VDD
RF6
VDD
VDD
RA4
VSS VSS VSS VSS
R7
1M
Z1
C19
C18
DGND
30p
30p
24.576M(HC-49S)
DGND
LED+5V
+3.3V
C13
C6
100U16(NC)
104(NC)
MAX3232CDR(NC)
DGND DGND
12
R1 UOT
11
T1 IN
1
C1+
C40
3
C1-
104(NC)
2
V+
C41
104(NC)
DGND DGND
standby speaker1
K1 K2
source left source right input setup
K5 K6
2
1
arrow up arrow down arrow left
64 K9 K10
63
62
61
60
59 arrow right level setting
17
K13 K14
16
15
14
13
DGND DGND
12
+3.3V +5V
R56
C17
47U10
IR1
47
KS-803LM(90)
104
3 C11
+V
2
GND
1
OUT
+5V
R16
C7 10U10
4K7 DGND
Q2
R20 560 C1815
DGND
Q18 R21
22K 470
R48
A950
R8 22K
Q10 R9
22K
2SC2458
C50
10U10
DGND
IC6
CN5
1
13 2
R1 IN
14
T1 OUT 3
4
C2+ C39
4
5
C2- 5
6
V-
6
C42
7
8
104(NC)
9
DGND
10
speaker2
rec
K3
K4
speaker setup
K7 K8
enter
K11
K12
DGND DGND
CN13
5 TX
4 RX
3 DGND
2 REMOTE
1 MCU+5V
5P(2.0)
LED1
LED Y&W
Y
W
DGND