Harman Kardon HS 250 - Page 57

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
A
Check the capacitor again.
B
H
J
1. R668, R669 place colsed to Pin5, Pin6.
2. R667 place closed to DC/DC.
Layout note:
3519C 1.3
HS250 FRONT PANEL: 2line VFD BOARD 070821
A3
17 21Tuesday, August 21, 2007
Title
Size Document Number Rev
Date: Sheet
of
FRONT_LED
MUTE
RB0
MCU_OFF
IR
RA2
VOL+
MCU_MUTE
RA3
IR_IN
VOL-
USB5V
DM2
DP2
DM2
DP2
HP_L
HP_R
HP_DETECT
-12V
MIC_DETECT
MIC_IN
MIC_DETECT
MIC_IN
HP_DETECT
IR_IN
IR
VFD_CS
CLOCK/SCL
DATA/SDA
MCU_OFF
LED_CONTROL
+40V
VFD_CS
AC_2 DATA/SDA AC_1
+3.3V
CLOCK/SCL
RA0
RB5
RB6
RB4
STANDBY
DM2
MCU_MUTE
DP2
HP_L
HP_R
A+5V
+12V
USB5V
+3.3V
-12V
5VON
LED_CONTROL
VOL+
VOL-
A+5V
STANDBY
DC_GND
+40v+3.3V
5VON
5VON
5VON
5VON
5VON
5VON
DGND DGND
USB5V
DGND
ESD601
C618 473
EC602
100uF/16V
R613 4.7K
J602
CKX-3.5-12-9P
1
4
3
2
9
7
8
5
6
FB602 50R
C628
104
D601 1N4148
C606
104
M603
1
R650 300R N/A
R606 100R
C612 56p
C633
104
R636 20K
R607 100R
R602 15K
M601
1
R646
0R
C636
104 100V
EC601
47uF/16V
C607 104 C611 56p
R659 100R
R645
0R
TP606
C604
22P
R601 4.7K
R656 100R
C620 39P
R608 2K
R612 4.7K
C608 104
R667 N/A
R649 300R N/A
U602
RCIamp0514M
1
2
3
4
5 6
7
8
9
10
1
2
VCC
4
56
7
GND
9
10
R637 6.2K
C619 2.2uF
ESD602
C637 47uF/10V
TP605
C605
22P
C621 N/A
R651 300R N/A
R604 4.7K
TP604
R655
4.7K
CN603
8pin 1.0mm
1
2
3
4
5
6
7
8
TP607
M602
1
C622 N/A
R669 N/A
TP608TP601
R611 4.7K R603 4.7K
C603 2.2uF
EC620
47uF/16V
CN604
6pin 1.0mm
1
2
3
4
5
6
R605
470R
IR601
IR
3 2 1
VCC GND IR
R657 100R
C627 104
Y601
4.000MHZ
CIG-VFD 14COLUMNS × 2LINES 5×7 DOT MATRIX
5×7 5×7 5×7 5×7 5×7 5×7 5×7
5×75×7 5×7 5×7 5×7 5×7 5×7 5×7
5×7 5×7
5×7
5×7
5×7
5×7
5×7
5×7
5×7
5×75×7
5×75×7
1G 2G 3G
4G 5G 6G 7G 8G 9G 10G 11G 12G 13G 14G 15G
AAAAAAAAAAAAAA
BBBBBBBBBBBBB
16G 17G
ROW
A
ROW
B
B
VFD601
VFD33-1701I
1 2 5 6 7 8 9 10 11 12 13 14 15 48 49
F1 F1 LGND DGND VDISP VDD OSC RESET CS CP DA DO TEST F2 F2
R668 0R
FB601 50R
J601
USB-A-05
2
1
3
4
5 6
7 8
GND
D+
D-
+5V
GND GND
GND GND
ESD603
C635 104
CN602
14pin 1.25mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
U601 EM78P156ELM-G
1
2
3
4
5
6
7
8
9
17
18
10
11
12
13
14
15
16
RA2
RA3
T0CKI
MCLK/VPP
VSS
RB0
RB1
RB2
RB3
RA0
RA1
RB4
RB5
RB6
RB7
VDD
OSC2/CLKOUT
OSC1/CLKIN
EC616 10uF/16V
TP603
CN601
14pin 1.0mm
1
2
3
4
5
6
7
8
9
10
11
12
13
14
D605 1N4148
FB603
50R
C623 N/A
C626
473
EC621
220uF/6.3V N/A
harman/kardon
HS 250/230 Service Manual
Page 57 of 60