Sony HCD-RG110 / MHC-RG110 Service Manual ▷ View online
33
33
HCD-RG110
5-14. Schematic Diagram – POWER/TRANS Section –
-0.2
-0.2
37.7
0
0
36.5
37.1
0
0
0.6
37.7
0
-36
37.7
11.6
0
11.6
0
0
-0.2
-0.2
-34.7
-37.7
0
0
-25.6
-36
0.7
0.1
9
5.7
-26.1
No mark:FM
POWER BOARD
TRANS BOARD
SUB TRANS BOARD
C509
22
50V
(1/2)
STK402-070S
(2/2)
STK402-070S
IC501
POWER AMP
(1/2)
IC501
POWER AMP
IC901
+5.6V REG
RELAY DRIVE
(2/2)
Q503,504
MUTE CONT
-30V GREG
MUTE
D541
D5SBA20-4101
C542
2200
2200
50V
C592
2200
2200
50V
TO
MAIN BOARD (4/4)
CN403
D
(Page 29)
TO
MAIN BOARD (3/4)
CN402
F
(Page 28)
POWER
TRASFORMER
(SUB)
OVER
LOAD DETECT
OVER
LOAD DETECT
C512
0.001
R510 0.22/2W
R508 0.22/2W
F
AN ON
POWER TRANSFORMER
(MAIN)
220V
C559
22
R558 0.22/2W
R560 0.22/2W
F914
T6.3AL/250V
F920 T6.3AL/250V
C901 0.01 250V
34
34
HCD-RG110
IC731 LA9242M (CD BOARD)
IC751 LC78622NE (CD BOARD)
• IC Block Diagrams
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
64
VCC1
LDS
LDD
BHI
PHI
LF2
VR
REFI
VCC2
FSS
DRF
CE
DAT
CL
CLK
DEF
FD-
FA
FA-
FE
FE-
SL-
SL+
AGND
NC
SP
SPG
SP-
SPD
SLEQ
SLD
JP-
NC
TBC
FSC
DGND
SLI
SLC
RFS-
RFSM
CV+
CV-
CV-
SLOF
HFL
TES
TOFF
TOFF
TGL
JP+
FIN2
FINI
E
F
TB
TE-
TE
TESI
SCI
TH
TA
TD-
TD
JP
TO
FD
62
61
60
59
55 54 53 52 51 50
49
48
47
46
45
44
43
41
40
39
38
37
37
36
35
34
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
42
58
57
56
RF DET
I / V
VCA
VCA
LSC
RF AMP
BAL
TE
T. SERVO & T. LOGIC
F. SERVO & F. LOGIC
SPINDLE SERVO
SLED SERVO
∝-COM
INTERFACE
APC
REF
+ -
+
-
+
-
+
-
+ -
+ -
+ -
- +
+ -
63
15
HFL
16
TES
17
T
OFF
20
JP-
19
JP+
58
RES
18
TGL
34
PCCL
24
RF GAIN
25
LP
26
D
.MUTE
27
LIMIT SW
28
SHUTER IN/OUT
29
EMPH/CONT6
48
EFLG
60
16M
61
4.2M
46
XVSS
52
FSX
45
XIN
44
XOUT
43
XVDD
39
R
VSS
41
R
VDD
42
MUTER/CONT8
40
RCHO
37
LCHO
35
MUTEL/CONT7
38
LVSS
36
LVDD
Servo
command
General-purpose
ports
Crystal oscillator system
Timing generation
L.P.F
1-bit DAC
54
RWC
56
COIN
57
CQCK
55
SQOUT
53
WRQ
63
CS
50
SFSY
47
SBSY
51
SBCK
49
PW
14
V/P
13
CLV-
12
CLV+
22
FSEQ
10
EFMIN
1
DEFI
Microprocessor
interface
Subcode
separation
QCRC
CLV digital
servo
Synchronization
detection
EFM demoduration
Slice level
control
8x oversampling
digital filters
Digital
attenuator
Digital
output
output
Bilingual
Interpolation
and muting
31 DOUT
30 C2F
C1 and C2 error detection
and correction
Flag processing
9
EFMO
VCO clock oscillator
Clock control
2k x 8-bit RAM
RAM address
generator
6
VVDD
4
VVSS
3
PDO
5
ISET
7
RF
21
PCK
2
TA
I
59
TST11
64
TEST1
11
TEST2
32
TEST3
33
TEST4
62
TEST5
23
VDD
8
VSS
IC101 LA1845 (MAIN BOARD)
IC781 MN1469XH (CD BOARD)
IC301 BD3873FS (MAIN BOARD)
LEVEL SHIFT
Vcc
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
SUBGND
CH4 OUT-B
CH4 OUT-A
CH4 IN-A
CH4 IN-B
BIAS-IN
Vcc
Vcc
CH3 IN-A
CH3 IN-B
CH3 OUT-B
CH3 OUT-A
OP IN -
OP IN +
OP OUT
MUTE
VREG-OUT
CH2 OUT-A
SUBGND
CH2 OUT-B
CH2 IN-A
CH2 IN-B
GND
CH1 OUT-A
CH1 OUT-B
CH1 IN-A
CH1 IN-B
-
+
TR-B
12
13
28
LEVEL SHIFT
-
+
-
+
-
+
-
+
-
+
-
+
Vcc
LEVEL SHIFT
LEVEL SHIFT
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
21
22
23
24
S-CURVE
AM/FM
IF
BUFF
COMP
TUNING
DRIVE
AM
OSC
OSC
AM
MIX
MIX
AM
PF.AMP
PF.AMP
AGC
AM
IF
AM
DET
DET
BUFF
LEVEL
DET
FM
IF
FM
DET
REG
GND
DEOODER
ANTI-BIRDIE
P-DET
ø
PILOT
CANCEL
STEREO
SW
VCO
304kHz
FF
38k
FF
19k
π
2
FF
19k
0
PILOT
DET
V
CC
ALC
AFC
AM-RF IN
AM-AGC
S.METER
AM DET-OUT
DECODER OUT
PLL-IN
DECODER IN
PILOT CANCEL
R-OUT
L-OUT
AM-OSC
OSC AM.SD
REG
AM IF-IN
GND
TUNED
STEREO
FM-DET
VCC
IF-REQ MUTE
AM/FM
VCO STOP
AM MIX-OUT
FM-IN
24
CAP
23
TNF1
22
TNF2
21
BNF2
20
BOUT2
19
BNF1
18
BOUT1
17
OUT1
16
OUT2
15
VCC
14
SI
13
SC
1
VIN1
2
VIN2
3
SEL2
4
SEL1
5
A1
6
A2
7
B1
8
B2
9
C1
10
C2
11
FIL
TER
12
GND
0dB-
-87dB
-
-87dB
-
Vcc/2
Vcc/2
Surround
50k
50k
50k
50k
50k
50k
Vcc/2
Vcc/2
Vcc/2
Treble1
fc=8kHz
Treble2
fc=8kHz
Bass2
fo=80Hz
Bass1
fo=80Hz
Logic
35
HCD-RG110
IC102 LC72131D (MAIN BOARD)
IC701 BA6956AN (DRIVER BOARD)
PHASE
DETECTOR
CHARGE PUMP
SWALLOW COUNTER
1/16, 1/17 4BITS
12BITS
PROGRAMMABLE
DRIVER
UNIVERSAL
COUNTER
REFERENCE
DIVIDER
POWER
ON
RESET
1/2
CCB
INTERFACE
1
3 4 5 6
7 8 9 10
18
17
16
15
13
12
11
19
20
21
22
XOUT
GND
AOUT
AIN
PD
VDD
FMOSC
AMOSC
14
NC
XIN
DO
CL
DI
CE
2
NC
IFIN
SD/IN
FA
VCO STOP
IF REQ
FM
NC
UNLOCK
DETECTOR
DATA SHIFT REGISTER LATCH
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC103
BU1924
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
QUAL
RD
ATA
VREF
VDD1
VSS1
MUX
VSS3
CMP
RCLK
XO
XI
(NC)
VDD2
VSS2
T1
T2
8TH SWITCHED
CAPACITOR
FILTER
PLL 57KHz
RDS/ARI
BIPHASE
DECODER
DEFFERENTIAL
DECODER
PLL
1187.5Hz
TEST
CLOCK
36
HCD-RG110
5-15. IC Pin Function Description
• IC601 LC876662W-5Z80 Master Control (PANEL Board)
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30 to 41
42 to 45
46
47 to 54
55
to
65
66
67
68
69
70
71
72
73
74
75
76
77
78
I/O
O
O
O
O
O
O
I
I
I
–
I
I
O
–
I
O
–
I
I
O
I
I
I
I
I
I
I
I
I
O
O
–
O
O
I
I
I
I
I
I
–
O
O
O
O
I
I
Pin Name
PWR LED
P.S.RELAY
SYS MUTE
CD MOTOR +
CD MOTOR –
CD RWC
VR ENCODER B
VR ENCODER A
BU1924/FLASH DATA
FLASH R/W
RESET
XT1
XT2
VSS
CF1
CF2
VDD1
TAPE A: STAT
TAPE B: STAT
VACS
SPEANA IN L
SPEANA IN R
KEY INPUT 0
KEY INPUT 1
KEY INPUT 2
PWR SW, DISP SW
REMOCON IN
PWR DOWN
BU1924 CLK
G12 to G01
P01 to P04
VDD
P05 to P11
P12 OP. OUT 10(SW11)
to
P22 OP. OUT 00(SW01)
OPTION SW INPUT
CD CLOSE
CD DRF
CD WRQ
CD BUSY
(PIC UP/DOWN)SW
CD NUMBER SENSOR
VDD
CD MUTE
CD SLED (+)
CD SLED (–)
CD RESET
HEAD PHONE SENSOR
TUNER TUNED
Description
PWR LED control signal output
Standby relay control signal output
System muting signal output
CD changer motor control signal output
CD changer motor control signal output
Read/write control signal output
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
Data input from the RDS decoder IC
Fixed at “H”
Reset input
Connection for a crystal resonator
Connection for a crystal resonator
Ground
Connection for a ceramic resonator
Connection for a ceramic resonator
Power sypply
TAPE A switches signal input
TAPE B switches signal input
VACS control signal output
Spectrum analyzer signal input
Spectrum analyzer signal input
Function key input
Function key input
Function key input
POWER switch or DISP switch key input
Data input from the remote control receiver
Power down signal input
Clock input from the RDS decoder IC
FL tube grid signal ouput
FL tube segment signal ouput
Power supply
FL tube segment signal ouput
FL tube segment signal ouput or switch signal output
Switch signal input
CD tray close switch signal input
RF level detection signal input
Subcode Q standby signal input
CD BU up/down switch signal input
Table address sensor switch signal input
Power supply
CD audio muting signal output
Sled motor control signal output
Sled motor control signal output
CD reset signal output
Headphone detection signal input
Tuning a frequency signal input
Click on the first or last page to see other HCD-RG110 / MHC-RG110 service manuals if exist.