Sony HCD-VP700, Service Manual

Page: 63 / 92

63
HCD-VP700
6-32. IC BLOCK DIAGRAMS
IC103 CXA2581N-T4 (BD BOARD)
10
11
12
4
3 EQ IN
9
D
10 F
E
8
C
7 B
6 A
AC SUM
DC_ OFST
RFDCI
11 RFDCO
VC
24 BST
25 VFC
CEI
EQ
APC
5 GND
AC
SUM
26 RFC
AC
VCA
23 RFG
22 VCC
20
21
CE
19 TE_BAL
18 TE
17 FEI
16 FE
1 LD
2
PD
11
SW 12
13 DVCC
14 DVC
15
RFAC
VC
EQ
ON/OFF
VC
VC
VC
VC
DVC
DVC
APC-OFF(Hi-Z)
RW/ROM
(H/L)
DVC
DVC
AVC
DVCC
VC
DVC
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
RW/ROM
DVCC
VCC
VCC
VCC
VOFST
VOFST
VOFST
B
C
A
D
gm
gm
DVCC
IC302
µ
PC1330HA (MAIN BOARD (1/3))
1 2 3 4 5 6 7 8 9
INVERTER
COMPARATER
SW R1 GND SW P1 CONT GND VCC SW P2 GND SW R2
IC11 LA1845 (MAIN BOARD (3/3))
ALC
AGC
REG GND VCC
AM
DET
STEREO
SW
P-DET
φ
VCO
304KHz
DECODER
ANTI-BRIDIE
PILOT
CANCEL
FF
38k
FF
19K
∠
PILOT
DET
AM
IF
AM
OSC
AM
MIX
AM/FM
AM
RF.AMP
COMP
BUFF
S-CURVE
IF
BUFF
LEVEL
DET
FM
IF
FM
DET
FM-IN
AM
MIX-OUT
REG
AM
IF-IN
GND
TUNED
STEREO
FM-DET
VCC
IF-REQ
MUTE
AM/FM
VCO
STOP
OSC FM.SD AM-AGC S-METER AFC AM-RF IN DECODER OUT AM DET-OUT AM-OSC DECODER IN PLL-IN PILOT CANCEL R-OUT L-OUT
π
2
FF
19K
∠
0
TUNING
DRIVE
24 23 22 21 20 19 13 14 15 16 17 18
1 2 3 4 5 6 12 11 10 9 8 7