Philips FW-R88 Service Manual page 13

1 2 3
1160
1 DIGI_IO_SW1
DIGI_IO_SW0
2
not used
3
4 DIGI_IO_SW2
A
220R
5
3359
FE-ST-VK-N
100n
2231
3350
+2.5VIC
B
DIGI_IO_SW1 digital in selection:0/1=CDC/AUX
DIGI_IO_SW2 mute EBU to CDR:0/1=mute off/mute on
3358
10K
1,2V
12
13
1,2V
1163 7140-F
C 1 EBU GND
EBU_OUT
2
in
SHIELD
3
4 EBU GND
5
out
SHIELD
6
SXXB-EH-A
D
2225
100n
ANA DIG
EH-S
E
3
2
1
1164
2226
100n
ANA DIG
F
P...for Provision only
. . V DC Voltages measured
.
during operation
V EVM
1 2 3
Light Guide Copperside view
0021
3401
6-3
4 5 6
+5VA
5,6V
10 9 16
VDD
LSB MSB
LOGIC
7142
+2.5VIC
2,5V
HEF4052B
1 9402
LL
5 9403
H LH
+5VA
5,6V
3 2
L HL
4
HH
12
LL
100R
H 14
LH
3364
3351
13
L
15
HL
10K +5VA
11
HH
VEE VSS
6 7 8
4 5 6
Light Guide Board
0021
2260
1
2
3
CDR-Mini LED Board Copperside view stage .5 (2001-01-12)
7 8 9
Digital switch Board
3
2
2234
100n
DIG DIG DIG
DIGI_IO_SW1 0 CDR Input is Dig-out of 3CDC
1 CDR Input is Dig-In of set
DIGI_IO_SW2 0 CDR Inputmute is off
1 CDR Inputmute is on
DigiSwitch (2001-01-15)
7 8 9
3401
7160
BC847B
2K7
6-3
1160 A1
1163 C1
1164 E1
2220 B3
2225 D2
2226 E1
2227 A3
2228 E9
A
2230 B4
2231 B1
2234 B9
2236 A2
DIG. IN
3350 B2
YKC21-3416
3351 C3
3358 B3
3359 A2
3361 B8
3364 C3
1
1159
3365 B3
3366 C3
B
3367 B8
7140-F C3
ANA 7142 A5
9401 C2
9402 A6
9403 B6
C
D
E
F