Read Sony HCD-GRX10AV / HCD-RX110AV / MHC-GRX10AV / MHC-RX110AV (serv.man2) Service Manual online
HCD-GRX10AV/RX110AV
– 83 –
– 84 –
7-30. SCHEMATIC DIAGRAM – SURROUND SECTION –
7-31. PRINTED WIRING BOARD – SURROUND SECTION –
• See page 20 for Circuit Boards Location.
• Indication of transistor
C
These are omitted
E
B
(Page 67)
(Page 57)
(Page 51)
(Page 64)
• Tuner section
IC21 LC72130
7-32. IC BLOCK DIAGRAMS
IC41 LA1838
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
21
22
23
24
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
ALC
BUFF
AM
OSC
AM
MIX
AM
RF. AMP
AGC
IF
DET
S-CURVE
AM/FM
IF
BUFF
REG
TUNING
DRIVE
GND
VCC
PILOT
DET
VCO
FF
STEREO
DRIVE
STEREO
SW
MUTE
FF
FF
FM
IF
FM
DET
DECODER
ANTI BIRDIE
1
2 3
4
5
6
7
9
8
20
19
18
17 16
15
14
11
10
21
22
23
24
25
27
26
29
30
OSC.BUFF
FM-SD.ADJ
AM-OSC
REG
FM-AFC
AM-RF-IN
AGC
MPX-IN
FM-DET OUT
AM-DET OUT
OUT L
OUT R
AMP-IN L
AMP-IN R
AMP OUT R
AMP OUT L
VCO-STOP
STEREO
AM/FM
AM. SD
FM. SD
AM. SD ADJ
IF-BUFF
MUTE
VCC
FM DET
FM-IN
AM-MIX
FM-IF
AM-IF
GND
TUNED
S METER
FM
S METER
AM
COMP
SD
AM
12
13
PHASE
DET
28
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