Ic Block Diagrams - Sony CDX-C8850 Service Manual

• IC Block Diagrams

IC1 CXA1791N-T4
LD 1
APC VREF
PD AMP 1.25V
+
–
PD 2
PD1 3
–
+
VC
RF
IV AMP1
4
PD2 –
+
VC
RF
IV AMP2
5
GND
6
F –
+
VC
F
IV AMP
7
E –
+
VC
E
IV AMP
8
VR
9 VC
VC
NC 10
IC7 BA6797FP-E2
28 27 26
VCC/2 VCC/2
–
+
IN
LEVEL SHIFT
LEVEL SHIFT
IN
–
+
VCC/2 VCC/2
1 2
VC
APC
LD AMP
+
20 VCC
VCC
–
19 APC ON
VC 18 RFI
–
17 RFO
+
RF
VC
SUMMING AMP
VC
–
16 FE
+
FOCUS
ERROR AMP
15 FE BIAS
VC
VC
–
14 TE
+
VC
TRACKING
ERROR AMP
13 EI
12 EO
VCC
VC BUFFER
11 NC
22
25 24 23 21 20
VCC VCC
3 4 5 6 7
IC601 BA6195FP-YT2
25 24 23 22 21
DRIVER
MUTE
– +
1 2 3 4 5 6
IC6 LB1638MTP-T1
1
GND
IN1 2
VCC 3
IN2 4
5
GND
19 18 17 16
VCC/2 VCC/2
+ –
IN
LEVEL SHIFT
SHIFT
LEVEL
IN
+ –
VCC/2
8 9 10 11 12 13
20 19 18 17 16 15
THERMAL
SHUT DOWN
+
LEVEL SHIFT
IN
– + –
– + + –
13
7 8 9 10 11 12
10 N.C.
9 OUT1
VS
8
7 OUT2
6 N.C.
15
VCC/2
14
14
57