Audio Board; Panel Board - Sony HCD-vx550 Service Manual

AUDIO BOARD

IC602 µPC1330HA
COMPARATER
1 2 3 4 5
SW P1 CONT GND
SW R1 GND

PANEL BOARD

IC603 BA3830F
REFERENCE
R02 1
CURRENT
REFERENCE
R01 2
CURRENT
LINE NF 3
LINE IN 4 BAND
–
PASS
+
FILTER
REC NF 5
REC IN 6
–
+
RESET C 7
BIAS C 8
GND
9
IC711 M65850FP
14 13 12 11
OSCILLATOR
D/A
1/2 VCC
DO1
CLOCK
MO
AUTO
MAIN
RESET
RESET
CONTROL
MI
D1 DO0
A/D
LPF1
2 3 4 5
1
48
INVERTER
6 7 8 9
VCC
SW P2 GND SW R2
RESET 18 RESET
F01
17
16 F02
15 F03
14 F04
13 F05
DET
12 F06
11 REC LEVEL
10 VCC
10 9 8
LPF2
20KBIT
SRAM
6 7
IC604 NJU3716M-T2
24 23 22 21 20 19 18 17 16 15 14 13
CONTROL
CIRCUIT
SHIFT REGISTER
LATCH CIRCUIT
OUTPUT CIRCUIT
6 7 8 9 10 11
1 2 3 4 5 12