Sony CDX-C8850 Service Manual page 57

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• IC Block Diagrams
IC1 CXA1791N-T4
LD 1
APC
PD AMP
+
–
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
TE
9 VC
L 13942296513 VC
NC 10
IC7 BA6797FP-E2
28
VCC/2
LEVEL
LEVEL
–
+
VCC/2
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1
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VC
APC
VREF
LD AMP
1.25V
+
VCC
–
VC
–
+
VC
SUMMING AMP
VC
–
+
ERROR AMP
VC
VC
–
+
VC
ERROR AMP
VCC
VC BUFFER
27 26 25 24 23
VCC
VCC/2
–
+
IN
SHIFT
SHIFT
IN
VCC/2
x ao
y
i
2 3 4 5 6
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8
IC601 BA6195FP-YT2
20 VCC
19 APC ON
18 RFI
17 RFO
RF
16 FE
FOCUS
15 FE BIAS
14 TE
TRACKING
13 EI
12 EO
Q Q
3 6 7 1 3
11 NC
22
21 20 19 18 17
VCC
VCC/2
IN
LEVEL
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.
7 8 9 10 11 12
2 9 9 4 2 8
25 24 23 22 21 20 19
THERMAL
SHUT DOWN
DRIVER
MUTE
+
– +
IN
–
1 2 3 4 5 6 7 8 9 10 11
IC6 LB1638MTP-T1
1
GND
IN1 2
1 5 0 5 8 2 9 9 4
VCC 3
IN2 4
5
GND
16 15
VCC/2
+ –
SHIFT
SHIFT
LEVEL
IN
+ –
VCC/2 VCC/2
m
co
13 14
9 9
18 17 16 15 14
LEVEL SHIFT
+ –
– + + –
13
12
10 N.C.
9 OUT1
2 8 9 9
VS
8
7 OUT2
6 N.C.
57