Sony UP-D2600S Service Manual page 105

3. Head position sensor
Route : SE-420 to SE-417 to PRT-11
TP : PRT-11 board TP110(HED_POS 0),TP113(HED_POS 1)
Function : Distinction of thermal head position
Level :
Indefinite
FF1 position
FF2 position
Print position
Home position
S E - 4 2 0
3 2
E CO
PH201
RP1-352
HED POS SENS0
RP1-352
CA A CN201
4 1
1P
2P
3P
4P
3 2
E CO
PH202
RP1-352
HED POS SENS1
RP1-352
CA A
4 1
4. Ribbon cassette sensor
Route : Microswitch to SE-417 to PRT-11
TP : PRT-11 board TP108
Function : Distinction whether the ribbon cassette is inserted into the unit or not.
: H .... The ribbon cassette is not inserted.
Level
: L .... The ribbon cassette is inserted.
S E - 4 1
CN2
MICRO SWITCH
1
2
R3
UP-D2600/V1(E)
HED_POS 0
H
H → L
L → H
H
L
S E - 4 1 7
5V
CN1
R12
R11
R7 R9
10k
150 150 10k
1P
2P
8
3P R4 33
4P
R8 33
C4 C5
470p 470p
7 P R
5V
TP108
RBN_CST
R15
10k
CN7 CN008
4P 4P
7 13
33
IC2(3/8)
C7
470p
HED_POS 1
H
H
H
L
L
P R T - 1 1
TP113
TP110
HED_POS1 HED_POS0
CN7 CN008
IC2(4/8)
5P 5P
12
6P 6P
9 11
IC2(5/8)
T - 1 1
5V
R111
10k
22
4 16
L122 R144 33
IC103(3/8)
C112
470p
5V
R113
R115
10k
10k
IC103(4/8)
L121 R143 33
5 15
6 14
L120 R142 33
IC103(5/8)
IC115
IC115
15
16
4-11