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
21
Tuesday, 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
C
618
473
EC602
100uF/16V
R
613
4.7K
J602
CKX-3.5-12-9P
1
4
3
2
9
7
8
5
6
FB602
50R
C628
104
D
601
1N
4148
C606
104
M603
1
R
650
300R
N
/A
R606
100R
C
612
56p
C633
104
R636
20K
R607
100R
R
602
15K
M601
1
R646
0R
C636
104 100V
EC601
47uF/16V
C
607
104
C
611
56p
R659
100R
R645
0R
TP606
C604
22P
R
601
4.7K
R656
100R
C
620
39P
R608
2K
R
612
4.7K
C
608
104
R
667
N
/A
R
649
300R
N
/A
U602
RCIamp0514M
1
2
3
4
5
6
7
8
9
10
1
2
VCC
4
5
6
7
GND
9
10
R
637
6.2K
C
619
2.2uF
ESD602
C
637
47uF/10V
TP605
C605
22P
C
621
N
/A
R
651
300R
N
/A
R
604
4.7K
TP604
R655
4.7K
CN603
8pin 1.0mm
1
2
3
4
5
6
7
8
TP607
M602
1
C
622
N
/A
R
669
N
/A
TP608
TP601
R
611
4.7K
R
603
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
C
627
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
5×7
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
5×7
5×7
5×7
5×7
5×7
1G
2G
3G
4G
5G
6G
7G
8G
9G
10G
11G
12G
13G
14G
15G
A
A
A
A
A
A
A
A
A
A
A
A
A
A
B
B
B
B
B
B
B
B
B
B
B
B
B
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
LG
N
D
DGND VDISP VDD OSC RESET CS CP DA DO TEST
F2 F2
R
668
0R
FB601
50R
J601
USB-A-05
2
1
3
4
5 6
7 8
GND
D+
D-
+5V
GND GND
GND GND
ESD603
C
635
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
EC
616
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
C
623
N
/A
C626
473
EC621
220uF/6.3V N/A
harman/kardon
HS 250/230 Service Manual
Page 57 of 60
Содержание HS 230
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