Block Diagram; Cd Servo Block Diagram - Panasonic SC-HC3P Service Manual

14 Block Diagram

14.1. CD SERVO BLOCK DIAGRAM

: CD AUDIO INPUT SIGNAL LINE
OPTICAL PICKUP
PHOTO DETECTOR
CP701 CP1902
3
E E E E
CP701 CP1902
7
D C
A B
D C
CP701 CP1902
9
E F E F
CP701 CP1902
2
SEMICONDUCTOR
LASER
CP701 CP1902
11
CP701 CP1902
4
B
F+ CP701 CP1902
16
FOCUS
COIL CP701 CP1902
15
F-
T+ CP701 CP1902
TRACKING 14
COIL CP701 CP1902
T- 13
OPTICAL PICKUP P.C.B
IC7002
BA5948FPE2
4CH DRIVER
PVCC1 10,19,25
PVCC2
VCC
VREF 26
28
15 D3- IN3
[CH3] LEVEL
SHIFT
16 D3+
27
17 D4- IN4
[CH4] LEVEL
SHIFT
18 D4+
1
14 D2+ IN2
M7301*
TRAVERSE M [CH2] LEVEL
SHIFT
13 D2-
MOTOR
3
M7302* 12 D1+ IN1
SPINDLE
M [CH1] LEVEL
11 D1- SHIFT
MOTOR
PC1 4
MUTE
[CH1]
MUTE PC2 2
[CH2]
X7201
[81]X1 [80]X2
[35]E
[40]A
[39]C
[38]B
[37]D
[36]F
IC7001
MN6627954AMA
SERVO PROCESSOR
[41]PD
Q7601
LASER POWER
[42]LD
DRIVE
[34]VREF
B
B
<+VREF>
<+7.5V>
B
<+VREF>
[25]FOP
[24]TRP
[23]TRVP
[21]SPOUT
[22]PC
85
[20]PRAMVDD15
[27]IODD2
[47]AVDD2
B
[77]IODD1
[79]REGON
<3.3V>
[82]NTEST
CN7002 CN7002
[59]OUTR CD SIGNAL RCH
20 3
CN7002 CN7002
CD SIGNAL LCH
[56]OUTL
22 1
[64]EXT2
CN7002 CN7002
[63]EXT1
[62]EXT0 16,17,18
[67]MCLK
CN7002 CN7002
[68]MDATA
[69]MLD 3,6,7,8
[72]NRST
CN7002 CN7002
[70]STAT
[71]BLKCK 4,5
S7201
REST SWITCH
CN7002 CN7002
2
CN7002 CN7002
14
1,13
2~7
VCC B
<+3.3V>
A0~A10 A0~A10
12~15
IC7003
C3ABMB000050
16MB DRAM
83~86
D0~D3 DQ1~DQ4
CD SERVO P.C.B
SC-HC3P/PC CD SERVO BLOCK DIAGRAM
TO MAIN(2/2)
BLOCK DIAGRAM
TO MAIN(1/2)
BLOCK DIAGRAM