Sony HCD-RG66 / MHC-RG66 Service Manual ▷ View online
36
HCD-RG66
IC101 LA1845 (MAIN BOARD)
IC781 BA6898FP (BD BOARD)
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
LEVEL SHIFT
VCC
DRIVER MUTE
VCC
LEVEL SHIFT
LEVEL SHIFT
LEVEL SHIFT
THERMAL
SHUT DOWN
REG VOLTAGE DOWN,
BIAS VOLTAGE DOWN,
THERMAL SHUT DOWN
MONITOR
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
DRIVE
SL –
SL +
SL IN
RESET
REGB
REGO
MUTE
GND
(SP IN)
SP IN
SP –
SP +
GND
SPO
GND
F –
F +
FIN
(FIN)
VRE
F
VCC
VCC
(TIN)
TIN
T –
T +
VRE
F
SP I
DRIVE
DRIVE
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
37
HCD-RG66
IC102 LC72131D (MAIN BOARD)
IC701 BA6956AN (DRIVER BOARD)
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
IC301 M61519FPD61G (MAIN 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
38
HCD-RG66
5-17.
IC PIN FUNCTION DESCRIPTION
• IC801
LC876662B-5Z81 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 42
43 to 45
46
47 to 50
51
52 to 64
65
to
68
69
to
71
72
73
to
75
76
77
78
79
I/O
O
O
O
I
O
I
—
I
I
I
I
I
O
—
I
O
—
I
I
O
I
I
I
I
I
I
I
I
I
O
O
—
O
—
O
O
O
—
O
I
I
I
I
Pin Name
PWR LED
P.S.RELAY
SYS MUTE
CD CLOSE
CD RWC/F.CLOCK
CD WRQ/F.DATA
FLASH R/W
CD DRF
AMS IN
BU1924 DATA
RESET
XT1
XT2
VSS
CF1
CF2
VDD1
TAPE A STAT
TAPE B STAT
VACS
SPEANA IN H
SPEANA IN MH
SPEANA IN M
SPEANA IN L
KEY INPUT 0
KEY INPUT 1
KEY INPUT 2
PWR DOWN
BU1924 CLK
G13 to G01
P01 to P03
VDD
P04 to P07
VPP
P08 to P20
P21 OP. OUT 10(SW10)
to
P24 OP. OUT 07(SW07)
P25 OP. OUT05(SW06)
to
P27OP. OUT 03(SW04)
VDD
P28 OP. OUT 02(SW03)
to
P30 OP. OUT 00(SW01)
OP. SW IN
(MODE SW IN)
PROTECTOR SENSOR
HEADPHONE SENSOR
CD SENS
Description
PWR LED control signal output
Standby relay control signal output
System muting signal output
CD tray close switch signal input
Read/write control signal output
Subcode Q standby signal input
Fixed at “H”
RF level detection signal input
AMS signal input
Data input from the RDS decoder IC
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
Spectrum analyzer signal input
Spectrum analyzer signal input
Function key input
Function key input
Function key input
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
Power supply (negative)
FL tube segment signal ouput
FL tube segment signal ouput or switch signal output
FL tube segment signal ouput or switch signal output
Power supply
FL tube segment signal ouput or switch signal output
Switch signal input
Power amplifier circuit protection signal input
Headphone detection signal input
Table address sensor signal input
39
HCD-RG66
Pin No.
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
I/O
I
I
I
I
I
I
I
I
I
—
—
O
O
O
O
O
I
O
O
I
O
Pin Name
CD U/D SW
STEREO
TUNED
TAPE PHOTO
SENSOR-A
TAPE PHOTO
SENSOR-B
REMCON IN
VR ENCODER B
VR ENCODER A
CD OPEN
VSS
VDD
PT8300-A LATCH
PT8300-B LATCH
LC72131 CE
M61519 CLOCK
LC72131,PT8300-AB,
M61519 DATA
LC72131 DATA IN
LC72131,PT8300
CLK
COIN
SQOUT
SQCK
Description
CD BU up/down switch signal input
Stereo tuning signal input
Tuning a frequency signal input
A deck photo sensor singanl input
B deck photo sensor singanl input
Data input from the remote control receiver
Volume signal input from the rotary encoder
Volume signal input from the rotary encoder
CD tray open switch signal input
Ground
Power supply
Latch signal output to the I/O expander
Latch signal output to the I/O expander Not used (open)
Chip enable signal output to the PLL tuner IC
Clock output to the sound processor
Data output to the PLL tuner IC, the I/O expander and the sound processor
Data input from the the PLL tuner IC
Clock output to the PLL tuner IC and the I/O expander
CD command data signal output
CD subcode Q signal input
CD command clock signal output
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