Schematic Diagram (Updating); A) Dvd Module Circuit - Panasonic SA-VK725DGC Service Manual

3 Schematic Diagram (Updating)

Note: With reference to page 81~87, 89~97 & 104 (section 22) of the original service manual for SA-VK72DGCS/GS-S.
Below are the updates.
3.1.

(A) DVD Module Circuit

SCHEMATIC DIAGRAM - 2
DVD MODULE CIRCUIT
FP8251
TRV_INNER_SW
1
DGND
2
TRVM+
TO 3
TRVM-
SPINDLE
4
SPM+
MOTOR
5
SPM-
6
FP8531
T+
26
F+
25
F-
24
T-
23
HFM
22
TA(DVD)
21
TB(DVD)
20
TD(DVD)
19
TC(DVD)
18
FE2(DVD/CD)
17
TO
FE1(DVD/CD)
16
OPTICAL
GND
15
PICKUP
RF
UNIT 14
VREF2(RF-)
CIRCUIT
13
PIN(DVD)
ON
12
SCHEMATIC LDCD
11
DIAGRAM-1
LDGND
10
LDDVD
9
GND(OEIC)
8
VREF1
7
VCC
6
SUB2
5
SUB1
4
PIN(CD)
3
SUBSEL
2
GND(VRCD)
1
C8251
6.3V220
R8261
82k
R8263
82k
R8264
15K
C0GBG0000048
DRIVE IC
C8252
0.1
LB8260
LB8259
LB8258
LB8257
C8533 0.1
: +B SIGNAL LINE
C8261
0.1
1 BIAS1 LDCNT 28
VIN1 MUTE3
2 27
VIN2 TRIN
26
3
R8262
15K
4 OPIN+ BIAS2 25
OPIN- LDIN 24
5
OPOUT VIN3
6 23
GND(PRE) PREVCC
7 22
IC8251
IC8251
FIN FIN
29 30
VCC(CH1.2) VCC(CH3.4) 21
8
MUTE12 MUTE4
9 20
C8253
0.1
GND(CH1.2) GND(CH3.4) 19
10
ERJ3GEY0R00V
11 VO2- VO3- 18
ERJ3GEY0R00V
VO2+ VO3+
12 17
ERJ3GEY0R00V
VO1- VO4-
13 16
ERJ3GEY0R00V
14 15
VO1+ VO4+
RX8532
(56 x 4)
RX8531 RX8534
(56 x 2) (56 x 2)
R8531 1.5K
LB8561 J0JBC0000042
LB8551 J0JBC0000042
LB8531 ERJ2GE0R00X
R8532 2.2K
R8533 0
7
: CD-DA SIGNAL LINE
TRV-I-SW
TL8201
C8262
0.1
R8230
2.2K
CL8262
SPMUTE
R8231
22K
CL8252 CL8231
C8231
0.1
R8232
7.5K
CL8251 CL8232
C8232
0.1
R8251
6.8
C8255
C8256
16V22
0.1
TRVFTMUTE
C8258 C8257
0.1 16V47
C8511 1
C8512 1
C8531 100P
RAM_CD
RX8533
C8532
(56 x 2)
220P
SA-VK725DGC
D+5V
FODRV
TRDRV
AD1
VHALF
DRV0
DRV1
M+9V
VIN1
VIN2
VIN4
VIN3
VIN8
VIN7
RFINP
RFINN
LPC1
VREFH
VIN6
VIN5
LPC2