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Model
HCD-RG66T
Pages
71
Size
6.86 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-rg66t.pdf
Date

Sony HCD-RG66T Service Manual ▷ View online

HCD-RG66T
26
26
7-4.
BLOCK  DIAGRAM  – DISPLAY/KEY CONTROL/POWER SUPPLY Section –
FL601
FLUORESCENT
INDICATOR TUBE
 10, 12 
 22,
24 
 41, 43, 44
P1 
 P41
1G 
 15G
100 
 86
17 
 12
67 
 72
64 
 66
F01 
 F06
BPF0 
 BPF5
4 LINE IN
11
L+R
BAND-PASS
FILTER
IC602
73 ALL-BAND
6 REC IN
80 VOLUME-A
79 VOLUME-B
ROTARY
ENCODER
S748
VOLUME
X
(Page 25)
E
SPEANA
X601
4MHz
83 X1
82 X0
52 
 59, 74
LED-TAPE,
LED-TUNER,
LED-MD-VIDEO,
LED-CD,
LED-GAME,
LED-DISC1,
LED-DISC2,
LED-DISC3,
LED-REC
LED DRIVE
Q601 – 605,
Q791 – 793, 795
D604 – 608,
D791 – 793, 795
D794
KEY0 
 KEY2
S751, 752, 754 – 762,
S765 – 779, 782 – 792
60
I2C-DATA
61
I2C-CLOCK
77
RESET
30 IIC-DATA
29 IIC-CLK
41 GC-RESET
74 POWER-KEY
73 DISPLAY-KEY
S749
S750
DISPLAY
75 STBY-LED
4 SIRCS
X502
16MHz
15 X-IN
13 X-OUT
X501
32.768kHz
10 XC-IN
11 XC-OUT
38
CD-POWER
SYSTEM CONTROLLER
(CD MECHANISM CONTROL)
IC501 (4/4)
84
STBY-RELAY
12
RESET
20
AC-CUT
B+ SWITCH
Q911, 912
RECT
D906 – 909
RECT
D914 – 917
CD +3.3V
+3.3V
REGULATOR
Q102
+5V
REGULATOR
IC911
M +9V
M +7V
A +10V
TC +10V
D920 – 922
D502
D504
D501
D503
+4V
REGULATOR
IC951
+4V
REGULATOR
IC971
D +4V
+9V
REGULATOR
IC961
+10V
REGULATOR
IC101
CD D+5V
CD A+5V
RESET SIGNAL
GENERATOR
IC601
D505
RECT
D918, 919, 923, 924
RECT
D972 – 975
LED DRIVE
Q794
T972
SUB POWER
TRANSFORMER
RECT
D543
+VH
–VH
– 33V
REGULATOR
Q941
POWER ON/OFF
RELAY DRIVE
Q971
– VG
RECT
D977
VF1
VF2
RY971
(E)
(Mexican, Argentina)
AC IN
T910
MAIN POWER
TRANSFORMER
RESET
SWITCH
Q601
REMOTE CONTROL
RECEIVER
IC603
TO FLUORESCENT
INDICATOR TUBE
FL601
D +3.3V
EVER +4V
VOLTAGE
SELECTOR
S901
FLUORESCENT
INDICATOR TUBE DRIVER,
KEY CONTROL
IC601
HCD-RG66T
27
27
7-5.
NOTE  FOR  PRINTED  WIRING  BOARDS  AND  SCHEMATIC  DIAGRAMS
Note on Printed Wiring Board:
X
: parts extracted from the component side.
Y
: parts extracted from the conductor side.
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
• Indication of transistor.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
B
These are omitted.
C
E
Q
Note on Schematic Diagram:
• All capacitors are in 
µ
F unless otherwise noted.  pF: 
µµ
F
50 WV or less are not indicated except for electrolytics
and tantalums.
• All resistors are in 
 and 
1
/
4
 
W or less unless otherwise
specified.
f
: internal component.
2
: nonflammable resistor.
5
: fusible resistor.
C
: panel designation.
A
: B+ Line.
B
: B– Line.
H
: adjustment for repair.
• Voltages are taken with a VOM (Input impedance 10 M
).
Voltage variations may be noted due to normal produc-
tion tolerances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
• Circled numbers refer to waveforms.
• Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY (DECK A)
d
: TAPE PLAY (DECK B)
G
: REC
J
: CD PLAY (ANALOG)
c
: CD PLAY (DIGITAL OUT)
q
: MD/VIDEO (AUDIO) IN
j
: GAME IN (AUDIO)
k
: GAME IN (VIDEO)
N
: MIC INPUT
• Abbreviation
AR
: Argentina model
MX
: Mexican model
• Circuit Boards Location
Note: The components identified by mark 
0
 or dotted line
with mark 
0
 are critical for safety.
Replace only with part number specified.
MOTOR board
SENSOR (CD) board
DRIVER board
BD board
SW board
HEAD (A) board
HEAD (B) board
MAIN TRANS board
SENSOR board
TUNER PACK
MAIN board
POWER board
PANEL board
CD SWITCH board
CD OPEN board
PAD SWITCH board
GAME IN board
VOL board
SUB-TRANS board
HCD-RG66T
28
28
7-6.
PRINTED  WIRING  BOARD  – BD Board –
 See page 27 for Circuit Boards Location.
qg
IC501 
qd
 (X-OUT)
qf
IC501 
qa
 (XC-OUT)
2.4 Vp-p
30.5 
µ
s
1.9 Vp-p
62.5 ns
• Waveforms
– BD Board –
1.1 
±
 0.4 Vp-p
1
IC103 
qg
 (RFAC) (CD Play Mode)
2.5 Vp-p
7.5 
µ
s
2
IC101 
wh
 (MDP) (CD Play Mode)
0.3 Vp-p
3
IC101 
el
 (TE) (CD Play Mode)
0.4 Vp-p
4
IC101 
ra
 (TE) (CD Play Mode)
0.65 
±
 0.15 Vp-p
5
IC101 
t;
 (RFDC) (CD Play Mode)
5 Vp-p
59 ns
2.1 Vp-p
12.1 
µ
s
qa
Q302, Q303  (Base) (REC Mode)
10.8Vp-p
12.1 
µ
s
qs
Q302, Q303 (Collector) (REC Mode)
6
IC101 
yj
 (XTAO)
– MAIN Board –
0.4 Vp-p
12.1 
µ
s
qd
Q302, Q303 (Emitter) (REC Mode)
2.8 Vp-p
250 ns
wa
IC601 
is
 (X0)
– PANEL Board –
IC102
IC101
IC103
A
B
C
D
1
2
3
4
M102
(SLED)
2
8
7
1
M101
(SPINDLE)
OPTICAL PICK-UP
BLOCK
(A-MAX.3)
TP
(DVC)
TP
(RFAC)
TP
(FEI)
TP
(FEO)
TP
(TEO)
TP
(RFDC)
(Page 33)
D101
B-4
IC101
C-3
IC102
B-2
IC103
D-2
Q101
C-1
Q102
B-4
• Semiconductor
Location
Ref. No.
Location
HCD-RG66T
29
29
7-7.
SCHEMATIC  DIAGRAM  – BD Board –
 See page 28 for Waveforms.
 See page 48 for IC Block Diagrams.
• Voltages and waveforms are dc with respect to ground
under no-signal conditions.
no mark : CD PLAY
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
A
MAIN
BOARD (1/4)
CN201
1
2
3
4
5
6
RV101
E-F BALANCE
(1 TRACK JUMP)
TP
(RFDC)
TP2
(TEO)
TP
(DVC)
680
220k
33k
TP
(FEI)
TP
(RFAC)
Q101
2SB710A-RT1
AUTOMATIC
POWER CONTROL
RF AMP,
FOCUS/TRACKING
ERROR AMP
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
TP
(FEO)
DIGITAL SERVO PROCESSOR
DIGITAL SIGNAL PROCESSOR,
DIGITAL FILTER,
D/A CONVERTER
Q102
2SD1664-T100-QR
+3.3V REGULATOR
DSP+5V (SW)
D-OUT
DSP-GND
L-CH
RF-GND
R-CH
RF+5V (SW)
X-RST
CD-DATA
CD-CLK
LD-ON
SQ-DATA
SQ-CLK
M-GND
M+7V (UNSW)
X-LAT
(Page
34)
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