Read Sony HCD-RG40 / MHC-DX30 / MHC-RG40 Service Manual online
42
HCD-DX30/RG40
6-21. IC BLOCK DIAGRAMS
IC101 BA1450 (MAIN BOARD)
IC102 LC72130 (MAIN BOARD)
1
2
3
4
5
6
7
8
9
10
11
12
16
17
18
19
20
21
22
23
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
1
2
3
4
5
6
7
8
XIN
B03
CE
IFIN
AOUT
2
AIN1
AIN2
D1
CL
B04
D0
B01
I01
B02
XOUT
PD1
VSS
PD2
FMIN
AMIN
AOUT1
VDD
I02
B05
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
PHASE DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16.1/17 4bits
SWALLOW COUNTER
1/16.1/17 4bits
POWER
ON
RESET
1/2
C B
I / F
I / F
REFERENCE
DIVIDER
REFERENCE
DIVIDER
C B
I / F
I / F
2
DATA SHIFT REGISTER
LATCH
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