Pioneer DVR-543H-S Service Manual page 27

5
QQ
3 7 63 1515 0
KEYB ASSY
D
(VXX3112)
CN7201
B3B-PH-K-S
KEY2
KEY3
GND
FJKB ASSY
B
TE (VXX3113)
L 13942296513
CN7301
9604S-23C(IRISO)
HLEM23S-1(FCI)
GND
FLSTB
FLCLK
FLDATA
GND
IR
V+5F
V+12R1E
FLPON
KEY1
KEY2
KEY3
2R
GND
2L
GND
2V
GND
2Y
GND
SDET2
GND
2C
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http://www.xiaoyu163.com
SWITCHES
S7201 : Standby / On
C7202
C7201 ***
***
S7202
S7201
***
0V
1
0V
Standby/On TV Guide
2
S7203
3 ***
0.90V
Left
S7204
***
1.53V
GND GND
Right
S7205
***
2.18V
Down
S7206
***
2.85V
Up
S7207
***
3.58V
Enter
GND
V+12R1E V+5F
23
22
21
20
19
18
17
16
15
14
13
12
11
10 GND GND
9
8
7
6
5
4
3
2
1
GND
0
R7305
GND
x ao
y
i
http://www.xiaoyu163.com
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8
KEY MATRIX
S7201-S7207: VSG1024-A-T
Q Q
3 6 7 1 3
V+5F V+12R1E
GND GND
D7301-7304:
1 2 1 2 1 2
UMZ6R8N-TLB
3 3 3
GND
D7301 D7302 D7303
R7303
0
1 2 1 2
3 3
D7304 D7305
***
GND GND GND
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.
DVR-640H-S
6
7
2 9 9 4 2 8
1 5 0 5 8 2 9 9 4
CN7302
9604S-12C(IRISO)
HLEM12S-1(FCI)
GND
12
11 FLSTB
10 FLCLK
9 FLDATA
GND
8
7 IR
V+5F
6
5 V+12R1E
FLPON
4
3 KEY1
KEY2
2
KEY3
1
GND
JA7301
AKP1238-B
1
3
S
5
4
2
6
FRONT INPUT JACK
JA7302
VKB1208-
6 VIDEO
3
Lch
5
/MONO
2
4
Rch
7
1
VNF1084- -T
m
GND GND
co
7
8
9 9
A
B
C
2 8 9 9
D
E
KN7301
F
B D
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