Panasonic SA-VK825D Servicehandleiding - Pagina 7
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3 Schematic Diagram (Updating)
Note: With reference to page 81~87, 89~97 & 104 (section 22) of the original service manual for SA-VK82DGCP/GCS/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
MOTOR
SPM+
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
C8261
R8261
82k
R8263
82k
R8264
15K
IC8251
C0GBG0000048
DRIVE IC
C8252
0.1
LB8260
LB8259
LB8258
LB8257
C8533
0.1
: +B SIGNAL LINE
: CD-DA SIGNAL LINE
0.1
BIAS1
LDCNT
1
28
VIN1
MUTE3
2
27
VIN2
TRIN
3
26
R8262
15K
4
OPIN+
BIAS2
25
OPIN-
LDIN
5
24
6
OPOUT
VIN3
23
GND(PRE)
PREVCC
7
22
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)
10
19
ERJ3GEY0R00V
11
VO2-
VO3-
18
ERJ3GEY0R00V
12
VO2+
VO3+
17
ERJ3GEY0R00V
VO1-
VO4-
13
16
ERJ3GEY0R00V
14
15
VO1+
VO4+
RX8532
(56 x 4)
RX8534
RX8531
(56 x 2)
(56 x 2)
R8531
1.5K
LB8561
J0JBC0000042
LB8551
J0JBC0000042
LB8531
ERJ2GE0R00X
R8532
2.2K
R8533
0
RX8533
(56 x 2)
7
TRV-I-SW
D+5V
FODRV
TRDRV
AD1
TL8201
VHALF
C8262
0.1
R8230
2.2K
CL8262
SPMUTE
R8231
22K
CL8252
CL8231
DRV0
C8231
0.1
R8232
7.5K
CL8251
CL8232
DRV1
C8232
0.1
R8251
6.8
C8255
C8256
16V22
0.1
M+9V
TRVFTMUTE
C8258
C8257
0.1
16V47
VIN1
VIN2
VIN4
VIN3
VIN8
VIN7
RFINP
C8511
1
RFINN
C8512
1
LPC1
C8531
100P
VREFH
VIN6
VIN5
LPC2
RAM_CD
C8532
220P
SA-VK825DGC