Sony HCD-RG66 / MHC-RG66 Service Manual ▷ View online
21
21
HCD-RG66
MAIN Section
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH.
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
D
CD
SECTION
TU
SECTION
B
CD
SECTION
C
TU
SECTION
E
CD
SECTION
A
IC801(2/3)
SYSTEM CONTROL
BIAS
TRAP
TRAP
R-CH
BIAS
OSC
Q223
+12V
ERASE
HEAD
REC/PB
HEAD
R-CH
PB
HEAD
DECK-B
DECK-A
18
TAPE A STAT
83
PHOTO A
Q228
A IN(L)
32
DECK A/B SELECT
PB/REC EQ AMP
IC201
B IN(L)
34
REC OUT(L)
21
AMS
83
28
EQ OUT(L)
AMS
Q210-212
26
PB OUT(L)
24
REC IN(L)
L201
R-CH
Q219
Q221
Q221
Q224
BIAS
Q225
Q222
REC BIAS
REC MUTE
9
PB MUTE
12
A/B
8
15
REC MUTE ON/OFF
14
MUTE ON/OFF
13
A/B
IC601
SHIFT REGISTER
23
SOL A
BIAS
18
REC
20
19
TAPE B STAT
TAPE DECK
A HALF
MODE SW A
B HALF
MODE SW B
REC(FWD)
A PHOTO
84
PHOTO B
B PHOTO
A SOL DRIVE
Q601,602
SOL A
22
SOL B
B SOL DRIVE
Q603,604
SOL B
24
MECHA VCC
M+B CONT
Q605,606
CAP M+
L
R
GAME
INPUT
INPUT
R-CH
VIDEO OUT
JK803
JK602
19
STK MUTE
17
SP RELAY(F)
6
CD POWER
3
SYS MUTE
L-CH
IC301
IN2A
40
IN2B
39
REC OUT2
35
1
REF
DATA
21
CLOCK
22
IN2D
37
SOUND PROCESSOR
Q363
MUTE
POWER AMP
IC501
10
11
8
4
5
Q361,362
MUTE CONT
Q581
MUTE
Q381,382
PROTECT
PROTECT
DETECT
D502
Q301
MUTE
D362
Q503,504
MUTE CONT
Q383
PROTECT
CONT
Q386
PROTECT
SWITCH
Q387
PROTECT
SWITCH
2
1
IC304
JK801
PHONES
R CH
R CH
L
R
RY371
L
R
JK302
SPEAKER
Q501
OVER LOAD
DETECTOR
Q384,385
RELAY
DRIVE
HIGH
FREQ
FREQ
D801,802
P01
P30
G01
G13
FLOURESCENT
INDICATOR TUBE
IC801(3/3)
SYSTEM CONTROL
F1
F2
FUNCTION
KEY
VP ENCODER A
87
VR ENCODER B
86
REMOCON
85
VOLUME
ENCODER
X801
32.768MHz
FLD801
42
30
KEY INPUT1
26
12 XT1
13
PROTECT SENSOR
77
HEADPHONE SENSOR
78
FUNCTION
KEY
KEY INPUT0
25
S801-813
FUNCTION
KEY
KEY INPUT2
27
S814-826
REMOTE
CONTROL
RECEIVER
RM601
T911
MAIN TRANS
VF2
VF1
RESET
1
3
IC803
D824
D817
S827-838
1
PWR LED
LED603
D541
PROT
+B
-B
POWER
AMP
Q911
-30V SW
D901-904
+5.6V
REG
1
3
IC901
T901
SUB TRANS
43
50
52
.
71
73
.
75
VACS
20
SPEANA H
21
EVER
+5.6V
+5.6V
51
VPP
15 CF1
16
RES801
10MHz
XT2
CF2
D911
-30V
D542
D543
+12V
REG
3
1
IC683
TU +12V
+12V
UNREG
D681-684
+5.6V
REG
3
1
IC682
+5.6V
Q681
Q682
+5V
REG
3
1
IC681
A +5V
+7V
REG
3
1
IC684
+7V
D687-690
D691
D692
D692
EVER +5.6V
MIC
JK802
MIC
VOL
RV801
IC802
IC802
3
2
1
6
5
7
Q801
LIMITER
R-CH
L-CH
JK301
AUDIO
VIDEO
MUTE
10
TU MUTE
21
SP RELAY(R)
23
ALC(L)
DO2
25
DI1
26
CLK
3
LATCH
4
DI2,DO1,CLK,LATCH
DI2
DO1
CLK
LATCH
REC(REW)
DATA,CLOCK
IN2C
38
MIC
2
IN2E
36
CD-L
DATA
CLOCK
25
OUT2
Q631
DBFB
DBFB
D631
Q365
MUTE CONT
D383
FAN
FAN
DRIVE
Q371
R CH
L
R
L
R
JK501
SURROUND
RY372
Q388
RELAY
DRIVE
Q582,583
OVER HEAT
DETECTOR
+B
TH501
Q584
FAN SW
19
SA OUT
VR801
VOLUME
MID/HIGH
FREQ
D803,804
MID
FREQ
D805,806
LOW
FREQ
D807,808
SPEANA M/H
22
SPEANA M
23
SPEANA L
24
11
RESET
RESET
SWITCH
Q809
28
PWR DOWN
2
P.S RELAY
µCOM +B
D822
FAN +B
AC
IN
RELAY
DRIVE
DRIVE
Q901
RY901
S901
JW911
JW912
VOLTAGE
SELECTOR
SP,AUS
SP
AEP,UK.SP
SP
220V
230-240V
120V
220V
230-240V
120V
JW6
F919
JW7
AUS
AEP/UK
MD(VIDEO)
IN
SP,AUS
22
22
HCD-RG66
5-3. Printed Wiring Boards – CD Section (1/2) –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
D731
D-6
D732
E-4
IC731
D-4
IC751
C-3
IC781
E-6
Q731
D-6
Q771
E-2
Q772
E-2
Q774
E-2
Q775
E-6
• Semiconductor
Location
1
16
16
17
17
32
32
33
33
48
48
49
49
64
64
1
1
16
1
10
E
E
E
E
E
1
1
14
15
28
6
A
TO
PANEL
BOARD
CN804
B
TO
MAIN
BOARD
CN301
I
TO
DRIVER
BOARD
CN701
OPTICAL
PICK-UP
BLOCK
(KSM-213D)
BD BOARD
SPDL MOTOR BOARD
M
M
(LIMIT)
(Page 30)
(Page 25)
(Page 23)
1-684-495-
11
(11)
11
(11)
(SLED)
(SPINDLE)
IC751
IC731
IC781
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
Ver 1.1 2003.11
23
23
HCD-RG66
5-4. Printed Wiring Boards – CD Section (2/2) –
• See page 19 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
3
4
5
6
IC711
IC701
14
14
14
14
14
14
(Page 22)
CN735
I
BD
4
C712
24
24
HCD-RG66
5-5. Schematic Diagram – CD Section –
• See page 35 for IC Block Diagrams.
• See page 19 for Waveforms.
0.9
0.3
0.6
0.9
0.6
0
0
4.8
1.6
4.2
0
0
7.9
7.9
0.1
0.1
4.2
0.2
CN732
CN01
IC781
CN731
IC731
LA9242M
IC751
LC78622NE
CN734
CN733
CN722
CN711
CN702
CN721
CN701
CN735
OPTICAL PICK-UP
BLOCK
(KSM-213D)
0.022
0.022
0.001
0.1
0.1
0.001
0.1
0.01
0.022
0.33
0.15
0.033
0.22
0.0027
0.015
0.068
0.018
0.33
0.1
0.01
0.47
0.0033
0.0047
0.1
0.01
0.1
0.1
0.1
IC731
FOCUS/TRACKING/SLED/
SPINDLE SERVO,RF AMP
SPINDLE SERVO,RF AMP
IC751
DIGITAL SIGNAL
PROCESSOR
0.022
0.022
0.022
0.001
0.001
0.1
0.022
SWITCH
SWITCH
MUTE
MUTE
0.1
0.1
0.1
0.1
LED DRIVER
IC781
FCS/TRK COIL,
SL/SP MOTOR
DRIVER
SPDL MOTOR
BOARD
( )
( )
( )
MOTOR BOARD
BD BOARD
ADDRESS SENSOR BOARD
DRIVER BOARD
(TURN)
TO
PANEL BOARD
CN804
A
TO
MAIN BOARD (3/4)
CN301
B
IC701
MOTOR
DRIVER
DRIVER
IC711
TABLE SENSOR
(UP/DOWN)
SG-264
FOR
CHECK
0.1
0.1
(OPEN/CLOSE)
(Page 31)
(Page 28)
IC B/D
IC B/D
IC B/D
IC B/D
0
0
1
Ver 1.1 2003.11
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