Philips AZ5738 Service Manual page 13

CIRCUIT DIAGARM - AUDIO BOARD (NEW)
PART 3
U3 U3
AM5888 AM5888
DIP28-SSOPH DIP28-SSOPH
FCO
1
VINFC
TR_B1
2
CFCerr1
REG03
3
CFCerr2
TCO
26
VINTK
VREF2
27
BIAS
C30 C30 TR_B3
25
CTKerr1
0.1uF 0.1uF
24
CTKerr2
RFGND
SPDCO
4
VINSP
SCO
23
VINSL
21
M+5V VCTL
TRAY+
6
FWD
TRAY-
7
REV
8
M+5V
Vcc1
19
Vcc2
EC6 EC6
100uF/16V 100uF/16V
RFGND
M+5V
BC3 BC3 BC4 BC4
0.1uF 0.1uF 0.1uF 0.1uF
RFGND
6-6
VOFC+
VOFC-
VNFFC
VOTK+
VOTK-
VNFTK
AM5888
VOSP+
VOSP-
VOSL+
VOSL-
STBY
VOLD-
VOLD+
RFGND
CN1 CN1
SLED+
1
SLED-
2
3
4
FOC+ SP+
14 5
SP-
6
FOC-
13
JST-CON6-2 mm JST-CON6-2 mm
REG01
5
RAD+
15
RAD-
16
CN12 CN12
1
2 RFGND
20
OPEN/CLOSE FOR 137
SP+SNSR R55 R55 1 1 SP+
12
SP-
11
SLED-
17
SLED+
18
DMEA
28
9
10
6-6
FOC+
FOC+
FOC-
FOC-
RAD+
HOME 2 RAD+
RAD-
RFGND RAD-
TCO
FCO
FCO
SCO
SCO
SPDCO
SPDCO
TRAY-
TRAY-
TRAY+
TRAY+
DMEA
DMEA
TRAYOUT
TRAYIN
TRAYIN
HOME
HOME
XOPVIP1
TRAYIN 2 XOPVIP1
XOPVIN1
XOPVIN1
VREF2
VREF2
XOPVIP1
XOPVIN1 TR_B1
TR_B1
TR_B3
TR_B3
REG01
REG01
REG03
REG03
2
2
2
2
TCO 2
2
2
2
2
2
2
TRAYOUT 2
2
2
2
2
2
1
1
1
1