Sony HCD-RG66 / MHC-RG66 Service Manual ▷ View online
33
33
HCD-RG66
5-14. Schematic Diagram – POWER/TRANS Section –
52.4
53.8
53.8
-27.8
-41.7
-28.4
0.1
10.6
5.7
0.7
0
0
0
0
0.6
0
0.6
11.6
11.6
0.6
0.6
0.1
0
0
53.6
11.6
0
0
-51.4
-51.4
-50.7
-51.4
0
-0.1
-0.1
-50.0
-0.1
-0.1
-53.8
0
0
AEP,UK
AEP,UK
Q503,504
MUTE CONT.
Q501,551
OVER LOAD DETECT
Q582,583
OVER LOAD DETECT
TO
MAIN BOARD
(4/4)
CN307
F
TO
MAIN BOARD
(3/4)
CN306
E
POWER AMP BOARD
TRANS BOARD
SUB TRANS BOARD
SENSOR
BOARD
IC501
POWER AMP
IC501
POWER AMP
(1/2)
(2/2)
2/2
22k
22k
POWER TRANSFORMER
POWER
TRANSFORMER
SP,AUS
AUS
SP
SP
SP
AEP,UK,SP
AEP,UK
AEP,UK,AUS
AEP,UK,AUS
AEP,UK,AUS
AEP,UK,AUS
T6.3AL/250V
VOLTAGE
SELECTOR
FAN SW
(Page 29)
(Page 28)
230-240V
230-240V
220V
220V
120V
34
34
HCD-RG66
5-15. Printed Wiring Board – SURROUND/KEYBOARD Section –
5-16. Schematic Diagram – SURROUND/KEYBOARD Section –
KEYBOARD BOARD
SURROUND BOARD
MOVIE EQ
MUSIC EQ
GAME EQ
EFECT ON/OFF
GROOVE
CD SYNC
P FILE
REC
PAUSE/START
GAME
MIXING
GAME
MIXING
+
-
TO
PANEL BOARD
CN661
C
TO
MAIN BOARD
CN304
D
SURROUND
SPEAKER
OUT
S813
SURROUND
SPEAKER MODE
ENTER
ENTER
1-684-493-
1-684-494-
11
(21)
21
(21)
(Page 30)
(Page 25)
SURROUND BOARD
L
R
L
R
SURROUND
SPEAKER
OUT
TO
MAIN BOARD
(3/4)
CN304
D
GAME MIXING
+
GAME
MIXING
MIXING
/START
KEYBOARD BOARD
TO
PANEL BOARD
CN661
C
(Page 28)
(Page 31)
SURROUND
SPEAKER
MODE
33
35
HCD-RG66
IC731 LA9242M (BD BOARD)
IC751 LC78622NE (BD 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
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
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