Sony HCD-GRX30 / HCD-R440 / HCD-R550 / HCD-RXD5 / MHC-GRX30 / MHC-GRX30J / MHC-R550 / MHC-RXD5 Service Manual ▷ View online
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Adjustment Location:
[BD BOARD] (Conductor Side)
TP(VC)
TP(RF)
TP(TE)
TP(TE1)
CN102
TP(FE)
TP(PLCK)
TP(GND)
TP(FE1)
TP(AGCCON)
IC101
20
21
40
41
60
61
80
1
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SECTION 7
DIAGRAMS
7-1. CIRCUIT BOARDS LOCATION
AC SEC board
CD SW board
ST-BY board
PANEL board
MAIN board
TUNER UNIT
SENSOR board
MOTOR (TURN) board
MOTOR (SLIDE) board
BD board
LEAF SW board
AUDIO board
CONNECTOR board
HCD-GRX30/GRX30J/R550/RXD5
7-2. BLOCK DIAGRAMS
— CD SECTION —
E
F
A
B
C
D
DRIVE
Q101
LD
RF EQ
AMP
5
7
8
6
SUMMING
AMP
RF
ERROR
AMP
FOCUS
ERROR
AMP
TRACKING
11
10
APC LD
AMP
3
4
22
13
VC
BUFFER
VC
12
16
14
RF AMP
DIGITAL SERVO
DIGITAL SIGNAL PRCESSOR
LASER
DIODE
DETECTOR
OPTICAL PICK-UP BLOCK
(KSS-213D/Q-RP)
A
C
D
B
E
F
LD
POWER
PD
LD
PD
LD
A
C
D
B
E
F
TE
FE
RF
INTEG-
RATOR
INTEG-
RATOR
LD ON
5
6
2
3
23
24
12
11
14
13
17
18
25
15
16
M
M
TRACKING
COIL
FOCUS
COIL
SLED
MOTOR
M102
SPINDLE
MOTOR
M101
T+
T-
F+
F-
SD+
SD-
SP+
SP-
FOCUS/TRACKING COIL DRIVE
SPINDLE/SLED MOTOR DRIVE
TFDR
TRDR
FFDR
FRDR
SRDR
SFDR
16
VCC
VC
: DIGITAL OUT
• Signal Path
• RCH is omitted
: CD PLAY
20
MUTE
IC102
IC103
IC101
60
D OUT
RF AC
51
ASYI
49
ASYO
48
RF DC
43
FE
39
TE
41
SE
40
TFDR
30
TRDR
31
FFDR
32
FRDR
33
SRDR
29
SFDR
28
MDP
26
TFDR
TRDR
FFDR
FRDR
SRDR
SFDR
XLON
14
VC
38
5
DATA
CD-DATA
35
6
XLAT
XLT
38
7
CLOK
CD-CLK
37
1
SQSO
SQ-DATA
32
2
SQCK
SQ-CLK
33
9
SCLK
8
SENS
SENS
56
20
SCOR
SCOR
19
XTAI
66
XTAO
67
SSTP
27
X101
16.9344MHz
S101
LIMIT
LIMIT
3
XRST
XRST
59
SYSTEM CONTROL
IC501(1/3)
70
ENC1
ROTARY
ENCODER
S811
63
TBL-L
65
TBL-R
3
6
7
2
M
M701
DISC TRAY
TURN MOTOR
MOTOR
DRIVER
DRIVER
IC701
66
LOAD-OUT
67
LOAD-IN
10
12
7
4
M
M801
DISC TRAY
SLIDEMOTOR
MOTOR
DRIVER
DRIVER
IC801
69
ENC2
68
ENC3
OPTICAL
TRANCEIVER
IC381
3
2
1
D+5V
SENSOR
IC702
DISC TRAY
DISC SENSOR
IC703
72
L OUT
75
R OUT
R-CH
A
CD L
CD DIGITAL
OUT
OPTICAL
LEVEL SHIFT
Q701
60
DISC-SENS
61
TBL-SENS
4
2
3
OUT OPEN
71
S801
OPEN/CLOSE
MAIN
SECTION
(Page 23)
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HCD-GRX30/GRX30J/R550/RXD5
— TAPE DECK SECTION —
R-CH
74
CAP-M CNT 2
• Signal Path
• RCH is omitted
: PLAYBACK (DECK A)
: PLAYBACK (DECK B)
: RECORD
CAPSTAN MOTOR
CONTROL SWITCH
Q1001
R-CH
L-CH
HRP1
(PLAYBACK)
B
MAIN
SECTION
PB EQ AMP
(DECK A)
IC611
PB LEVEL (L)
(DECK A)
RV311
PB EQ AMP
(DECK A)
IC601
PB LEVEL (L)
(DECK B)
RV301
R-CH
L-CH
R-CH
HRP2 (1/2)
(RECORD/PLAYBACK)
3
1
R-CH
R-CH
4
2
REC/PB SWITCH
IC602
BIAS OSC
Q621,622
Q621,622
REC BIAS
SWITCH
Q623
BIAS
TRAP
C331,L331
REC BIAS (R)
(DECK B)
RV441
REC BIAS (L)
(DECK B)
RV341
R-CH
BIAS OSC
T621
HRP2 (2/2)
(ERASE)
A+7V
A IN (L)
48
B IN (L)
46
R IN (L)
43
ALC (L)
44
BIAS (N)
33
BIAS (C)
32
BIAS (M)
31
70
120
L.P.F
R-CH
ALC
34
35
DOLBY NR
AMP
CIRCUIT
DOLBY PASS
PB OUT (L)
40
39
38
REC EQ
AMP
REC LEVEL (L)
(DECK B)
RV301
36
28
27
AMS
CIRCUIT
26
TC L
C
MAIN
SECTION
LM ON/OFF
25
DECK PROCESSOR
DECK A/B SELECT,PB/REC EQ AMP
DOLBY NR AMP,ALC,AMS
IC301
REC-L
REC/PB/P
ASS
24
NR ON/OFF
23
RM ON/OFF
22
BIAS ON/OFF
20
NORM/HIGH
18
PB A/B
16
ALC ON/OFF
15
B NORM/CROM
19
A 120/70
17
S1004
(DECK A 120/70)
S1008
(DECK B 120/70)
77
AMS IN
B-PLA
Y SW
86
SYSTEM CONTROL
IC501 (2/3)
S1001
(DECK-A PLAY)
100
TC-RELA
Y
85
ALC-ON/OFF
84
PB -A/B
83
EQ-H/N
82
BIAS
81
REC-MUTE
80
NR-ON/OFF
79
R/P-P
ASS
78
TC-MUTE
A-PLA
Y SW
87
A-SHUT
91
A-HALF
88
B-HALF
89
S1002
(DECK-B PLAY)
S1003
(DECK-A HALF)
S1006
(DECK-B HALF)
S1005
(DECK-A REC)
S1009
(DECK-B REC)
ROTATION
DETECT SENSOR
(DECK A)
IC001
B-SHUT
90
ROTATION
DETECT SENSOR
(DECK B)
IC002
A-TRG
73
TRIGGER
PLUNGER DRIVE
(DECK A)
Q333,334
TRIGGER PLUNGER
(DECK A)
SL1
B-TRG
72
TRIGGER
PLUNGER DRIVE
(DECK B)
Q331,332
TRIGGER PLUNGER
(DECK B)
SL2
76
CAP-M H/L
TAPE SPEED
(HIGH)
RV1001
87
16
Q335
TAPE SPEED
(NORMAL)
RV1002
CAPSTAN
MOTOR DRIVE
Q336-339
75
CAP-M CNT 1
CAPSTAN
MOTOR DRIVE
Q340-343
M
M1
(CAPSTAN)
(Page 23)
(Page 23)
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