Ic Block Diagrams - Sony CDX-C880R Service Manual

• IC Block Diagrams

IC1 CXA1791N-T4
1
LD
APC VREF
PD AMP 1.25V
+
–
2
PD
3
PD1 –
+
VC
RF
IV AMP1
PD2 4
–
+
VC
RF
IV AMP2
GND 5
F 6
–
+
VC
F
IV AMP
E 7
–
+
VC
E
IV AMP
VR 8
9 VC
VC
10
NC
IC7 BA6797FP-E2
28
LEVEL
VCC/2
VC
APC
LD AMP
+
VCC 20 VCC
–
19 APC ON
18 RFI
VC
–
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
27 26 25
VCC/2 VCC/2
–
+
IN
LEVEL SHIFT
SHIFT
IN
– +
VCC/2
1 2 3 4 5
IC601 BA6195FP-YT2
25 24 23 22 21
DRIVER
MUTE
– +
1 2 3 4 5 6
IC6 LB1638MTP-T1
GND 1
IN1 2
VCC 3
IN2 4
GND 5
24 23 22 21 20 19 18
VCC VCC
6 7 8 9 10 11 12
– 69 –
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.
17 16 15
VCC/2 VCC/2
+ –
IN
LEVEL SHIFT
SHIFT
LEVEL
IN
+ –
VCC/2 VCC/2
13 14
14