Harman Kardon DVD 22 Service Manual page 23

5
+5VDD
3U4 3U4
3R16 3R16
3 4.7K 4.7K
VCC
2
GND
1
IR
DGND
IR IR
D
IR_IN
+5VDD
IR_OUT
DGND
3R8 3R8
MCU_CLK
1K 1K
3R28 3R28
STANDBY
3Q3 3Q3
2
8550 8550 4.7K 4.7K
+5VDD
PRE_MUTE
3Q2 3Q2
2
POWER ON blue color 8550 8550
3R3 3R3
STANDBY amber color 100R 100R
OFF OFF
power on
ON ON blue
light
C
3J1 3J1
STANDBY
+5VDD
FROM SMPS
GND
PH-3A-2.0mm PH-3A-2.0mm
B
1
+5V SHUTDOWN
3CB8 3CB8
2
DGND
BYPASS
3R11 3R11 105 105
10K 10K
3
+IN
3R12 3R12
10K 10K
4
-IN
3R10 3R10
10K 10K DGND 3R17 3R17 3CB5 3CB5
2.2K 2.2K 103 103
DGND
A
5
4
+5VDD
3CB2 3CB2
104 104 3D6 3D6 3R1 3R1
1N4148 1N4148 10K 10K
3R25 3R25
4.7K 4.7K 3U1 CF745-04/P 3U1 CF745-04/P
3R4 3R4
470R 470R
IR_IN
1 18
RA2 RA1
2 17
RA3 RA0
3 16
T0CKI OSC1/CLKIN
3CB3 3CB3
4 15
MCLK/VPP OSC2/CLKOUT
104 104
5 14
DGND VSS VDD
6 13
RB0 RB7
7 12
RB1 RB6
8 11
RB2 RB5
9 10
RB3 RB4
PDIP-18
+5VDD
3R5 3R5
3R2 3R2
3Q1 3Q1 4.7K 4.7K
2
8050 8050
4.7K 4.7K
3R7 3R7
4.7K 4.7K
3LD1 3LD1
DUAL LED DUAL LED
ON ON
standby
amber light OFF OFF
DGND
3C14 3C14
+ +
100u/10V 100u/10V
+5VDD
3 STANDBY
3C12 3C12
2 + +
+5VDD
220uF/10V 220uF/10V 3CB4 3CB4
1
104 104
DGND
8
VO2
7
DGND
GND
6
+5V
VDD
+ + + + + +
3C4 3C4 3C9 3C9
5
VO1
47uF/35V 47uF/35V 47uF/35V 47uF/35V
3U3 3U3
LM9022 LM9022 3D9 3D9 3D7 3D7 3D8 3D8
1N4148 1N4148 1N4148 1N4148 1N4148 1N4148
4
3
4 1
3 2
3K7 3K7
Standy_by Standy_by
4 1
3 2
3Y1 3Y1
4.000M 4.000M 3K4 3K4
Pause Pause
3C10 3C10 3C8 3C8
4 1
22P 22P 22P 22P +5VDD
3 2
DGND
3K6 3K6
Prev Prev
+ +
3C6 3C6 3CB1 3CB1
47uF/10V 47uF/10V 104 104
DGND
DGND
3R22 3R22 3R23 3R23
4.7K 4.7K 4.7K 4.7K
+5VDD
CN5 CN5
13
PRE_MUTE
3R21 3R21 3R20 3R20
12
IR_IN
11 MCU_CLK 4.7k 4.7k 4.7k 4.7k
MCU_CLK
+5V AC2
10
AC2
AC1
9
AC1
8 -24V
-24V
3CB7 3CB7 +5V
7
+5V
6
STB
104 104
5
DATA
4
GND
3
CLK
2
GND
1
IR
DGND
CON13-2.0 CON13-2.0 3CB9 3CB9 3CB6 3CB6
47P 47P
47P 47P
IR_OUT
DGND DGND
IR_IN
PRE_MUTE
3R9 3R9 3C15 3C15
1R 1R 47u/35V 47u/35V
DGND
3R6 3R6 3C13 3C13
1R 1R 47u/35V 47u/35V
+ + + + + + + +
3C2 3C2 3C3 3C3 3C7 3C7 3C16 3C16 3C1 3C1
47uF/35V 47uF/35V 47uF/35V 47uF/35V 47uF/35V 47uF/35V 47uF/35V 47uF/35V 47uF/35V 47uF/35V
3D3 3D3 3D1 3D1 3D2 3D2 3D4 3D4 3D5 3D5
1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 1N4148 DGND
3
2
4 1 4 1
3 2 3 2
3K3 3K3 3K9 3K9
Open/Close Open/Close Dimmer Dimmer
4 1 4 1
3 2 3 2
3K5 3K5 3K8 3K8
Play Play Stop Stop
4 1 4 1
DVD280 3K1 INSTALL
3 2 3 2
3K2 3K2 3K1 3K1 DVD22 3K1 N/A
Next Next Test Test
3R24 3R24
4.7K 4.7K
AC1
3R19 3R19
47k 47k
DGND
DGND
3U2 3U2
3R18 3R18
33k 33k
PT6311 PT6311
1 39
SW1 G6
2 38
SW2 G7
3 37
SW3 G8
4 36
SW4 G9/S20
5 35
DOUT G10/S19
-24V
6 34
DIN VDD
7 33
VDD VEE
8 32
CLK G11/S18
9 31
STB G12/S17
10 30
KEY1 G13/S16
11 29
KEY2 G14/S15
12 28
KEY3 G15/S14
13 27
KEY4 G16/S13
AC2
AC1
AC1
3R14 3R14
100R 100R
3R13 3R13 -24V
100K 100K
3DZ1 3DZ1
3R15 3R15 ZENER 6.2V0.4W ZENER 6.2V0.4W
100R 100R
AC2
AC2
-24V
-24V
3C5 3C5
47uF/35V 47uF/35V
DGND
Harman Kardon, Northridge, California 91329, USA Harman Kardon, Northridge, California 91329, USA Harman Kardon, Northridge, California 91329, USA
Title Title Title
Size Size Size
C C C
Date: Date: Date:
2
1
D
3U6 3U6 VFD VFD
1
AC1
2
AC2
C
4
1G
5
2G
6
3G
7
4G
8
5G
9
6G
10
7G
11
8G
12
9G
13
10G
14
11G
38
P17
39
P16
40
P15
41
P14
42
P13
43
P12
44
P11
45
P10
46
P9
47
P8
48
P7
49
P6
50
P5
51
P4
52
P3
53
P2
54
P1 B
56
AC3
57
AC4
A
DVD22 FRONT PANEL DVD22 FRONT PANEL DVD22 FRONT PANEL
Document Number Document Number Document Number Rev Rev Rev
1298C 1298C 1298C
2.2 2.2 2.2
Thursday, August 19, 2004 Thursday, August 19, 2004 Thursday, August 19, 2004 Sheet Sheet Sheet of of of 15 15 15
5 5 5
1