Service manual

– 15 –
CD-E700/CD-E77
Figure 15 BLOCK DIAGRAM (1/3)
IC
80 79 77
71 70
47 46
45 44 43 42
41
25
18 10 9 8 7 5
CNP4
19
28
37
40
26
23
22
21
20
50
51
55
75
69
57
56
49
48
67
66
65
64
63
62
61
CONT 5
DRIVER
SPIN/SLIDE
FOCUS/TRACKING/
LA6574H
IC2
SPO
SLDO
FD
TO
VCC2
IC1
LC78646E
CD SERVO
LCHO
LVSS
RVSS
RCHO
CONT4 CONT3 CONT2
SLDO
SPDO
FD0
TD0
LDD LDS TIN2 TIN1 FIN2 FIN1 RVDD LVDD XVDD ADAVDD VVDD RFVDD
XIN
XOUT
DRF
VRES
VWRQ
DO
DI
CL
CE
TO DISPLAY SECTION
TO MAIN SECTION
BI4
CNP5
CNP6
SW3
DISC
NUMBER
SW2 CLAMP
SW1
OPEN/CLOSE
M3
T/T UP DOWN
LOADING MOTOR
D_GND
PICKUP UNIT
IN
PICKUP
SW4
MOTOR
SPINDLE
M1
MOTOR
SLIDE
M2
COIL
TRACKING
FOCUS COIL
16.933 MHz
XL1
Q3
+6.5V
+5V
Q2
DRIVER
LASER
+3.3V
CONSTANT
VOLTAGE
+3.3V
+3.3V
Q1
+5V
R-CH AGND L-CH D5V
WRQ DRF CE DO CL DI CLAMP SW
A5V
O/C, CD RES DISC NO
CNS4
+
–
+6.5V
(+B6) (+B6)
(+B7)
29
12
22
1
15 13 1 7 24
28 27
3 2
30
26
9
10 11
8 7 6 5 4
8 7 1 2 3 4 5 6
10 3 1 9 8 7 6 52 4
2 3 1 4 6 5
2 3 1 4 6 5
2 3 1 4 6 5
6
43
M
M
M
44
DGND