5
5
4
4
3
3
2
2
1
1
D
D
C
C
B
B
A
A
Function describe:
1. IR signal receive and transmit.
2. Detect functional button and transmit.
3. control power indicator.
4. control SMPS board go to standby.
5. control mute signal when power on
and power off.
unmute
mute
PIN7 logic:
amber
amber
blue
unmute
blue
mute
PIN9 logic:
AMBER
WHITE
5575C
1.2
HD980 FRONT PANEL: Button board
A4
1
2
Friday, August 01, 2008
Title
Size
Document Number
Rev
Date:
Sheet
of
STANDBY
RB7
VPP
RB6
RB4
RA0
RB5
REMOTE_IR
IR
RA1
STANDBY
IR
5VON
RA1
REMOTE_IR
RB5
DGND
DGND
5VON
5VON
5VON
5VON
DGND
DGND
DGND
DGND
DGND
DGND
5VON
+
CE402
100uF/10V
1
2
C402
22pF
CN403
CON6_1.25MM_DIP_B
1
2
3
4
5
6
R401
15K
K405
Prev
1
3
2
4
K403
Pause
1
3
2
4
C406
100nF
R411
4.7K
R408
4.7K
K402
Play
1
3
2
4
R415
0R
K406
Next
1
3
2
4
C401 2.2uF
Y401
4.000MHZ
1
2
3
IR G VCC
IR401
HS0038B
1 2 3
K407
Display
1
3
2
4
LED401
1
2
3
C403
22pF
R412
200R
CN404
CON3_2.54MM_DIP
1
2
3
1
2
3
C405
100nF
R410
4.7K
VR1
NA
1
2
3
R402
4.
7K
K401
Standby
1
3
2
4
+
CE401
100uF/10V
1
2
VR2
NA
1
2
3
R414
0R
D401
LL414
8
1
2
U401
EM78P156ELM
1
2
3
4
5
6
7
8
9
17
18
10
11
12
13
14
15
16
P52
P53
TCC
RESET
VSS
P60/INT
P61
P62
P63
P50
P51
P64
P65
P66
P67
VDD
OSCO
OSCI
R404
470R
B
C
E
Q402
8050
1
3
2
K404
Stop
1
3
2
4
R407
4.7K
R406
4.7K
R413
1K
B
C
E
Q401
8550
2
3
1
R403
4.
7K
R409
4.7K
C404
100nF
harman/kardon
HD 990/230 Service Manual
Page 44 of 46
Summary of Contents for HD 990/230
Page 5: ...harman kardon HD 990 230 Service Manual Page 5 of 46 ...
Page 12: ...ADSP BF532SBSTZ400 LQFP176 harman kardon HD 990 230 Service Manual Page 12 of 46 ...
Page 13: ...VT7208 LQFP 216 harman kardon HD 990 230 Service Manual Page 13 of 46 ...
Page 16: ...BA5888FP HSOP 28 AD1955 SSOP 28 harman kardon HD 990 230 Service Manual Page 16 of 46 ...
Page 17: ...SN74HCT245PWR TSSOP 20 74HCT14D SOIC14 harman kardon HD 990 230 Service Manual Page 17 of 46 ...
Page 19: ...SN74LV74ADR SOIC14 SN65LVDS2DBVR DBV5 harman kardon HD 990 230 Service Manual Page 19 of 46 ...
Page 20: ...CS8416 CZZ TSSOP28 ICS83905AGT TSSOP16 harman kardon HD 990 230 Service Manual Page 20 of 46 ...
Page 21: ...TL072CD SO8 AD8663ARZ SOIC8 harman kardon HD 990 230 Service Manual Page 21 of 46 ...
Page 22: ...OPA2134UA SOIC8 OP275GS SO8 harman kardon HD 990 230 Service Manual Page 22 of 46 ...
Page 23: ...LM393 SOP8 AZ1117 ADJ 3 3V 5V SOT 223 harman kardon HD 990 230 Service Manual Page 23 of 46 ...
Page 24: ...LM9022 SOP8 EM78P156ELM G SOIC18 harman kardon HD 990 230 Service Manual Page 24 of 46 ...
Page 25: ...TPS73033DBVR DVB5 AAT3522 SOT 23 harman kardon HD 990 230 Service Manual Page 25 of 46 ...
Page 26: ...L7805 L7812 TO 220 L7912 TO 220 harman kardon HD 990 230 Service Manual Page 26 of 46 ...
Page 27: ...BA33BCO TO 220 LM317T TO 220 harman kardon HD 990 230 Service Manual Page 27 of 46 ...
Page 28: ...KA5M02659R DIP8 PC817 DIP4 harman kardon HD 990 230 Service Manual Page 28 of 46 ...
Page 29: ...AZ431AZ ATRE1 TO 92 LC75711NE QFP64E harman kardon HD 990 230 Service Manual Page 29 of 46 ...
Page 30: ...harman kardon HD 990 230 Service Manual Page 30 of 46 ...
Page 31: ...harman kardon HD 990 230 Service Manual Page 31 of 46 ...
Page 32: ...harman kardon HD 990 230 Service Manual Page 32 of 46 ...
Page 33: ...harman kardon HD 990 230 Service Manual Page 33 of 46 ...