Block Diagram; Cd Servo Block Diagram - Panasonic SA-AK580PH Service Manual

13 Block Diagram

13.1. CD Servo Block Diagram

: CD AUDIO INPUT SIGNAL LINE
OPTICAL PICKUP
PHOTO DETECTOR
CN7001
3
E E E E
CN7001
7
D C
A B
D C
CN7001
9
E F E F
CN7001
2
SEMICONDUCTOR
LASER
CN7001
11
CN7001
4
B
F+ CN7001
16
FOCUS
COIL CN7001
15
F-
CN7001
T+
14
TRACKING
COIL
CN7001
T- 13
M7301*
TRAVERSE
OPTICAL PICKUP P.C.B
MOTOR
M7302*
SPINDLE
MOTOR
IC7002
BA5948FPE2
4CH DRIVE
PVCC1 10,19,25
B
PVCC2
VCC
<+7.5V>
VREF 26
B
<+VREF>
28
15 D3- IN3
LEVEL
[CH3]
16 D3+ SHIFT
27
17 D4- IN4
[CH4] LEVEL
SHIFT
18 D4+
1
14 D2+ IN2
M [CH2] LEVEL
13 D2- SHIFT
3
12 D1+ IN1
[CH1] LEVEL
M
SHIFT
11 D1-
4
MUTE PC1
[CH1]
MUTE PC2 2
[CH2]
X7201
[74]X1 [73]X2
[22]E
[27]A
[26]C
[25]B
[8]IOVDD1
[30]AVDD2-2
[24]D
[48]AVDD2
[62]NTEST2
[75]IOVDD2
IC7001
[23]F
MN6627553PA
SERVO PROCESSOR
[28]PD
[52]OUTR
Q7601
LASER POWER
[49]OUTL
[29]LD
DRIVE
B [9]DVDD1
[61]DVDD2
<1.5V>
[66]MCLK
[67]MDATA
[68]MLD
[17]FOP
[16]TRP
[14]TRVP
[13]SPOUT
[12]PC
88
B
<3.3V>
CN7002 CN2801
CD SIGNAL RCH
23 3
TO MAIN (1/2)
CN7002 CN2801
CD SIGNAL LCH
25 1
CN2801
CN7002
TO MAIN (1/2)
9,10,11 15,16,17
S7202
CD OPEN SWITCH
CN7002 CN2801
20,21
5,6
S7201
REST SWITCH
TO MAIN (2/2)
CN7002 CN2801
4 22
CN7002
CN2801
15 11
CD SERVO P.C.B
SA-AK580PH/PN CD SERVO BLOCK DIAGRAM