Sony HCD-GR5 Service Manual page 40

- TCB BOARD Section -
IC21 LC72130
XOUT VSS AOUT2 AIN2
24 23
22 21
REFERENCE
DIVIDER
C'B
I/F
1 2 3 4
XIN CE DI
BO5
IC41 LA1835
30 29 28 27
ALC
AM
AM AM
OSC
MIX RF. AMP
BUFF
S METER
AM/FM
LEVEL
IF
DET
BUFF
S-CURVE
FM
FM
IF
DET
REG
1 2 3 4
PD2 PD1 AIN1 AOUT1 VDD
20 17
19 18
PHASE DETECTOR
POWER
CHARGE PUMP
RESET
UNLOCK
DETECTOR
SWALLOW COUNTER
1/16. 1/17 4bits
12bits PROGRAMMABLE
DRIVER
DATA SHIFT REGISTER
LATCH
5 6 7 8
CL DO
BO1
BO2
26 25 24
AGC
AM AM
IF DET
COMP
AM/FM
TUNING
SW
DRIVE
AM
FM
GND
5 6 7
FMIN AMIN IO2
15 14
16 13
ON
1/2
UNIVERSAL
COUNTER
9 10 11 12
IFIN
BO3 BO4 IO1
22
23 21 20
DECODER
ANTI BIRDIE
STEREO
STEREO
DRIVER
TRIG
FF FF FF
VCO
PILOT
DET
PHASE
DET
Vcc
8 9 10 11
— 68 —
19 18 17 16
SW
MUTE
12 13 14 15