Panasonic SA-MAX750LMK Service Manual page 58

SCHEMATIC DIAGRAM - 4
A
MAIN (CD SERVO) CIRCUIT
P1
FP8252
1
O
TO
CD INTERFACE
OPEN_SW
CIRCUIT (CN7002)
IN SCHEMATIC
REST_SW
DIAGRAM - 26
CLOSE_SW
10
TO MAIN (CD SERVO)
CIRCUIT (3/4)
MI: MAIN (MICON): SCHEMATIC DIAGRAM - 5 ~ 11
15 16 17
: +B SIGNAL LINE : CD AUDIO INPUT SIGNAL LINE
TRV+ 10
TRV- 9
LDM+ 8
LDM- 7
K8217 0
6
K8218 0
DGND 5
K8219 0 CD_INNER_SW
4
K8220 0
3
SPM+ 2
SPM- 1
SPM-
SPM+
C8263
K8203
14 13 12 11 10 9 8 29 7 6 5 4 3 2 1
IC8251
C0GBY0000117
5CH MOTOR DRIVER
15 16 17 18 19 20 21 30 22 23 24 25 26 27 28
R8261
100
R8264
1.2K
R8263 C8256 C8261
1K 1000P 1
C8262 C8252 C8251
10V120 0.01 10
18 19 20
: AUDIO OUTPUT SIGNAL LINE : USB SIGNAL LINE
TO MAIN (CD SERVO)
CIRCUIT (2/4)
CD_OPEN_SW MI
CD_INNER_SW MI
CD_CLOSE_SW MI
LD_CCW MI
LD_CW MI
K8210
0
0
DGND MI
0
R8257 5.6K R8265 100K
R8256 100 R8252 1K
C8258 C8253
1200P 0.15
TP
61
LB8203
J0JBC0000134
R8262 10
C8254 R8254 C8255
0.015 5.6K 1800P
R8255 3.3K
R8260
47K
R8259 4.7K
LB8252
J0JHC0000045
LB8251
J0JHC0000045
21 22 23
PW_CD_3R3V
LB8003
J0JHC0000045
PW_3R3V_DIG
C8040 C8402
0.1 6.3V100
DGND
K8202
0
PD_GND
R8027 LB8004
10 J0JHC0000045
PW_3R3V_DAC
C8061 C8064
0.1 10
TRP
SPOUT
VREF
TRVP
R8258
27K
FOP
PW_3R3V_CD
PW_+5R4V
1/4 2/4
3/4 4/4
SA-MAX750 MAIN (CD SERVO) CIRCUIT
24 25 26
I
J
K
PW_CD_3R3V
MI
L
M
N
O
PW_+5R4V
MI DA
P
27 28