Sony HCD-VX88 - Main Board

60
IC601 BA1450
VCC
6
5
1 2 3
4
7
8
1415
16
GDR GURP AOG LPFC N.C VOC L-OUT R-OUT
CONT1 CONT2 CONT3
GND
HPFC
VREF
L-IN
R-IN
1112
10
13
9
ON/OFF
VREF
LEVELATT
ANALOG
SURROUND
SW
A
B
SW
A
B
1 2 3 4 5 6 7 8 9 10 11 12
161718
19
20212223
24
15
14 13
AM
OSC
AM
MIX
AM IF
FM
IF
FM
DET
AM
DET
SD
DET
AGC
LED
DRIVER
COMP
SD
SW
VCO
PD
1/2
DECODER
VREG
1/2
FM IN
FM DET
TUNED
STEREO
IF OUT
R OUT
L OUT
AM/FM
FM/AM DET OUT AM MPX IN FM MPX IN
IN REQ MUTE
FM SD ADJ
VCC
GND
AM OSC OUT AM OSC VCO STOP AM RF IN AM IF IN AM AGC AM MIX OUT FM BAND WIDTH V . REG
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
C
2
B
I/F
1
2 3
4
5 6 7 8 9
10
20
19 18 17 16 15
14
13
12
11
21222324
XOUT VSS AOUT2 AIN2 PD2 PD1 AIN1 AOUT1 VDD FMIN AMIN IO2
XIN
D0
CL
D1
CE
BO5 BO1 BO2 BO3 BO4
IO1
IFIN
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
1
2
3
4
5
6
7 8 9
INVERTER
COMPARATER
SW R1 GND SW P1
CONT
GND
VCC
SW P2 GND
SW R2
– MAIN Board –
IC103 LA2615
IC651 LC72130
IC302 µPC1330HA