Philips PET320 Service Manual page 27

5
Test
point
position
TP17
D MUTE3
TP16
TRSDRV
TP18 TP22
SPD FOD
TP20 TP21 TP19
FG BMS TRD
DRIVER_MUTE
(4) DRIVER_MUTE
+5V_M
FG FG
(4) FG
SPDRV SPDRV
(4) SPDRV
BMS
(4) BMS
TRSDRV
(4) TRSDRV
TRDRV TRDRV
(4) TRDRV
FODRV FODRV
(4) FODRV
(4) TOP-COVER_SENSER
RFINP VHALF
(4) RFINP
VREFH
(4) VREFH
VIN6RF
(4) VIN6RF
C
VIN5RF
(4) VIN5RF
C23 0.1U/16V
VIN1RF
1 2
(4) VIN1RF
C17 0.1U/16V
VIN3RF
1 2
(4) VIN3RF
C16 0.1U/16V
VIN4RF
1 2
(4) VIN4RF
C22 0.1U/16V
VIN2RF
1 2
(4) VIN2RF
LPC1
(4) LPC1
LPCO1
(4) LPCO1
LPC2
(4) LPC2
LPCO2
(4) LPCO2
VIN10
(4) VIN10
VIN9
(4) VIN9
VIN8
(4) VIN8
VIN7
(4) VIN7
VIN6
(4) VIN6
VIN5
(4) VIN5
B
VIN4
(4) VIN4
VIN3
(4) VIN3
VIN2
(4) VIN2
VIN1
(4) VIN1
DVD/CD_SW
(4) DVD/CD_SW
C31
R81
470
NC 1U
LPCO2
1
Q16
2SD601A
R91
470
A
GNDRF-P
5
4
+5V_M
DD+3.3V
C6 + C7
R38 TAN 47U/6.3V 0.1U/16V
10K/J
VHALF
C195 100P/50V
1 2
GNDM GNDM
GNDM
R39 1
10K/J
2 1 2
R40 2 1 0 3
2 1 4
R41 1.5K R43 0
2 1 5
R44 NC 30K
2 1 6
R45
2 1 7
47K
8
R46 27K
2 1 9
2 1 10
11
R47 22K
12
AN41204A
0.01U/16V 0.01U/16V
VHALF C11 C12
VIN2
SWAP TWO I/O
VIN4
R71
VIN3 0
BMS 2 1
VIN1 DRIVER_MUTE
2 1
R72 0
DVD/CD_SW
1
C29 R77 C26
C28 470 4.7U C30
4.7U NC 1U E 47U/6.3V
R84
LPCO1 1 2.2
Q15 2SD601A R86 0
1 2 1 2
R89 0
R87 56
1 2
R92
470
GNDRF-P FB14
0
FB15
0
AGND
GNDRF-P GNDP
4
3
RED rectangular : Add
Green rectangular : Adjust
RO4
FO4
A3
A2
+5V_M A1
TP14 TP15
FO1 FO1
+5V_M
R37 C8
0.22[2W] TAN 47U/6.3V
U3
GND
36
SFG CS
35
FG VMSP1
R42 100
34
EC VH
33
ECR H3L
32
IN5 H3H
31
IN4 H2L
AN41204 30
IN3 H2H
29
IN2 H1L
28
IN1 H1H
R49 220
27
FB1 VDD
26
FB2 FO1
25
RO1
+5V_M +5V_M
+ +
C18 C19 C20 C21
TAN 47U/6.3V 0.1U/16V TAN 47U/6.3V 0.1U/16V FB39
0
GNDM GNDM
+5V_RF
R73 R74
10K/J 100K Q12
2SK1958
1 2 1
R75 Q13
10K/J 2SD1819
GNDRF
2 1
R76
10K/J Q14
GNDRF 2SK1958
1 2 1
GNDRF
+
+ R78 C27 C33 R79
27[1/2W] E 47U/6.3V 27[1/2W]
TP36
LD-DVD
C35 R82 NC 0.1U/16V
NC 0.1U/16V 2.2
Q17
2SB1115
1 2 B
Q18 R85
B
2SB1115 56 1 2 LD-CD
R88 0
LD-DVD
1 2
R90 0
FB45
0
GNDRF
3
2
TP1 TP2 TP3 TP4 TP5 TP6
TP7 TP8 TP9 TP10 TP11 TP12
V SLED- H- HV+ H+ HV-
U W SLED+ HW+ HU+ HW-
+
C9
0.1U/16V
Test point position
GNDM
TP23 TP24 TP25 TP26
FO1 RO1 TR- TR+
TP99 VREFH TP27 VR(DVD) TP28 VR(CD)
LPC1
LPC2
Q606 R58
VREFH
Q608 R59
0.1U/16V C10
TP100 CD/DVD TP29 E VIN10
TP30 F VIN9
TP31 RFINP RFINP
Q607
VIN5
VIN8
VIN7
VIN6
DGND D TP32 VIN2
C TP33 VIN3
B TP34 VIN4
A TP35 VIN1
LD-DVD
LD-CD
M7
M12
EMI-PAD EMI-PAD
FB41
0 FBMJ2125HM330-T
GNDM
GNDRF
DGND
TAN 47U/6.3V
SW1
DTS-03
3 5
4 6
R80
22K
+
R83 C34 TC32
33K 820P
TOP-COVER_SENSER
1 2
TAN 47U/6.3V
TP37 2 1
LD-CD C36 0.1U/16V
GNDRF-P
DGND GNDM
2
1
TP13
HU-
U2
15
GND
13
SLED+
12
SLED-
11
W
10
V
9
U
8
H+
7
HU+
6
HU-
5
HV+
D
4
HV-
3
HW+
2
HW-
1 14
H- GND
52207-1385
GNDM
13 PIN 1.0 Pitch 上接板
GNDRF
1.Fo+
2.Tr-
TP98 LPC J3
TopRay 3.Tr+
4.Fo-
5.NC
1
6.NC
2
3 7.LD(DVD)
4
8.GND(LD)
5
6 9.LD(CD)
7
10.MD
GNDM 8
11.VR(DVD)
9
10
12.VR(CD)
91
11
13.GND(PD) C
91
12
13 14.Vc
14
15.Vcc
15
16.E
16
17
17.F
18
18.RF
19
19.CD/DVD SW
20
21
20.A/a
22
21.B/b
23
24
22.C/c
23.D/d
24.NC
AGND
GNDRF
+5V_SYS
GNDRF-P
L2
+
C24 C25 FB40
0.1U/16V 0
B
GNDRF GNDRF-P
24 PIN 0.5 Pitch 下接板
+5V_RF
L3
FBM2125MH330-T
1 2
C223
NC;;;0.1U/16V
A
1