Panasonic SA-PT70EB Service Manual page 96

SCHEMATIC DIAGRAM - 4
A
DVD MODULE(DV5U) CIRCUIT
IC8111
C0DBFZG00001
SWITCHING REGULATOR
1
R8111
0
32
24
25
26
27
28
R8568
47K
R8564
22
R8561
0
Q8561
29
2SD1819A0L Q8562
B1ADGB000008
CD-LD DRIVE
R8562
1K CD-LD DRIVE
R8555 R8558
2.2
47K
R8554
68
R8551
Q8552
0
B1ADGB000008
30 Q8551
DVD-LD DRIVE
2SD1819A0L
R8552 DVD-LD DRIVE R8559
1K 15K
TO DVD MODULE(DV5U)
SECTION (3/4)
31
DV: DVD MODULE(DV5U): SCHEMATIC DIAGRAM 1 - 4
HD: DVD MODULE(HDMI): SCHEMATIC DIAGRAM - 5
P1
15 16 17
: +B SIGNAL LINE : CD/DVD AUDIO INPUT SIGNAL LINE
8 1
2 3 4 5 1 6 1 7
SP_DRV
TRV_DRV
SPMUTE
LDCNT
L8251
G1C100M00049
TRDRV
FODRV
K8251 0 DGND
C8251
6.3V220
MGND
K8252 0
TRVFTMUTE
D+3R3V
LB8530 J0JHC0000045
LB8561 J0JDC0000045
LB8532 J0JDC0000045
LB8551 J0JDC0000045
LB8531 0
R8538 R8539
0 0
Q8563
R8535
100K D
B1CFHA000002
G SWITCH
R8533 R8534
S
Q8565
0 10K
2SD1819A0L Q8564
INVERTER
B1CFHA000002
R8537
0 SWITCH D
G
S
18 19 20 21
: TV AUDIO INPUT SIGNAL LINE : CD/DVD VIDEO INPUT SIGNAL LINE
TO DVD MODULE(DV5U)
SECTION (2/4)
R9099 0
LB8432
R8252
0
10K
C8262
0.1
IC8251
C0GBG0000048
4CH MOTOR DRIVER
C8261
0.1
1 BIAS1 LDCNT 28
SPMUTE
2 27
VIN1 MUTE3
C8257
3 VIN2 TRIN 26
16V47
4 25
OPIN+ BIAS2
5 24
OPIN- LDIN
C8258
6 OPOUT VIN3 23 0.1
R8251 6.8
GND
7 22
PREVCC
[PRE]
C8256
C8255
29 30
FIN FIN 0.1
16V22
M+9V
VCC
VCC
8 21
[CH1,2] [CH3,4]
C8252
9 20
MUTE12 MUTE4
0.1
MGND
10 GND GND 19
[CH1,2] [CH3,4]
11 18
VO2- VO3-
12 17
VO2+ VO3+
13 16
VO1- VO4-
14 15
VO1+ VO4+
R8263
R8261
82K 82K
OPIN-
OPIN+
C8530 0.1
VIN3 RX8531
3 4
VIN2 D1H456020001
1 2
RF
VIN1 RX8532
4 3
D1H456020001
VIN4
2 1
VIN10 RX8533
1 2
D1H456020001
VIN9
3 4
VCREF
C8533 0.1
LPC1 R8531 1.5K
C8531 100P
LPC2 R8532 2.2K
C8532
220P
DVD_CD
22 23 24
96
: AUDIO OUTPUT SIGNAL LINE : VIDEO OUTPUT SIGNAL LINE
FP8301
TV_LOUT 1
LB8310 0
17 LOUT
16 ADGND
TV_ROUT
LB8311 0
15 ROUT
14 VGND
CR_PR_R
LB8312 0
CR_PR_R
13
CB_PB_B
LB8313 0
12 CB_PB_B
F
11 VGND TO
LB8314 0
Y_PY_G
LDIN Y_PY_G SCART CIRCUIT
10
9 VGND (CN4001)
Y LB8315 0
8 Y IN SCHEMATIC
7 VGND DIAGRAM - 13
C
LB8316 0
6 C
VMUTE
LB8318 0
VMUTE
5
4 V+5V
RGB_H LB8317 0
3 RGBH
YC_H
LB8319 0
2 YC_H
FUNC_SW
LB8320 0
1 FUNC_SW
17
LB8255
0
FP8251
1 DGND
OPEN_SW
2 UNLOAD_SW
INNER_SW
3 INNER_SW
TO TRAVERSE / SPINDLE
4 SP-
5 SP+
6 TR-
7 TR+
C8260
220P
FP8531
24 F-
23 F+
22 T+
21 T-
20 C/c
19 D/d
18 CD/DVD SW
R8542 0
17 RF
16 A/a
15 B/b
F
14
13 PD GND
TO OPTICAL PICKUP UNIT
12 Vc (ref)
11 Vcc
10 E
9 NC
8 VR-CD
7 VR-DVD
CD-LD
6
5 MD
4 NC
3 NC
2 DVD-LD
1 GND-LD
1/4 2/4
SA-PT70EB/EG/EP
3/4 4/4
DVD MODULE(DV5U) CIRCUIT
25 26 27
I
J
K
L
M
N
O
P
28