DOWNLOAD Sony HCD-DX60AV / HCD-RG70AV / MHC-DX60AV / MHC-RG70AV Service Manual ↓ Size: 5.62 MB | Pages: 73 in PDF or view online for FREE

Model
HCD-DX60AV HCD-RG70AV MHC-DX60AV MHC-RG70AV
Pages
73
Size
5.62 MB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-dx60av-hcd-rg70av-mhc-dx60av-mhc-rg70av.pdf
Date
PREV: Sony TA-FE370 / TA-FE570 Service Manual

Sony HCD-DX60AV / HCD-RG70AV / MHC-DX60AV / MHC-RG70AV Service Manual ▷ View online

HCD-DX60AV/RG70AV
42
42
JW912
F920
F914
I
POWER AMP
BOARD
CN501
J
REAR/CENTER AMP BOARD
CN917
1
3
3
1
B
C
E
1
2
1
2
TRANSFORMER BOARD
SUB TRANSFORMER BOARD
1
2
AC IN
E
1
3
IC901
1
3
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
8
9
10
(RG70AV)
(CHASSIS)
(RG70AV: US)
(DX60AV/RG70AV: AEP)
(11)
11
1-681-444-
5
1
2
3
4
10
15
16
(11)
11
1-682-259-
1
2
3
4
1
2
3
4
POWER TRANSFORMER
5-21. PRINTED  WIRING  BOARDS  – TRANSFORMER/SUB TRANSFORMER Boards –
• See page 27 for Circuit Boards Location.
• Semiconductor
Location
Ref. No.
Location
D901
H-9
D902
G-7
D903
G-7
D904
G-8
D905
G-7
D911
B-4
D912
B-3
D913
A-2
IC901
H-7
Q901
H-8
Q911
A-2
There are a few cases that the part printed on
this diagram isn’t mounted in this model.
(Page 38)
(Page 36)
Ver 1.1
HCD-DX60AV/RG70AV
43
43
5-22. SCHEMATIC  DIAGRAM  – TRANSFORMER/SUB TRANSFORMER  Boards  –
REAR/CENTER
AMP
BOARD
CN917
J
POWER AMP
BOARD
CN501
I
–28.4
–27.8
–39.0
(DX60AV/RG70AV : AEP)
(RG70AV : US)
(RG70AV)
0.7
0.1
0
3P
13P
3P
–30V REGULATOR
TRANSFORMER BOARD
1/2W
0.1U
F919 6.3A/125V
POWER TRANSFORMER
*
R920
0.33 
(RG70AV)
0.1 
(DX60AV)
R920  
*
RELAY DRIVE
IC901
+5.6V
REGULATOR
SUB TRANSFORMER BOARD
SUB TRANSFORMER
250V
TA8057S
2P
2P
F914
6.3A/125V 
(RG70AV : US)
T6.3A/250V 
(DX60AV/RG70AV : AEP)
F920
6.3A/125V 
(RG70AV : US)
T6.3A/250V 
(DX60AV/RG70AV : AEP)
JW912
(Page 37)
(Page 39)
• Voltages and waveforms are dc with respect to ground
under no-signal (detuned) conditions.
no mark : FM
The components identified by mark 
0
 or dotted
line with mark 
0
 are critical for safety.
Replace only with part number specified.
HCD-DX60AV/RG70AV
44
44
LEVEL SHIFT
INTERFACE
INTERFACE
INTERFACE
1
2
3
4
5
6
7
8
9
10
11
12
13
14
20
21
22
23
24
25
26
27
28
19
18
17
16
15
F
R
R
F
F
R
R
F
R
R
F
F
MUTE
THERMAL
SHUTDOWN
VREFOUT
VREFIN
POWVCC
CH1FIN
CH1RIN
CH2FIN
CH2RIN
CH2OUTR
CH2OUTF
CH1OUTR
CH1OUTF
CAP
AIN1
CAP
AIN2
GND
PRFVCC
MUTE
POWVCC
CH4SIN'
CH4SIN
CH4BIN
CH3FIN
CH3RIN
CH3OUTR
CH3OUTF
CH4OUTR
CH4OUTF
CAP
A
IN3
GND
TE
RFDC
CE
IGEN 
AVSS0 
ADIO 
AVDD0
CLTV
FILO
AVSS3
VSS
AVDD3
DOUT
VDD
PCO
FILI
ASYO
ASYI
RFAC
BIAS
SSTP
DFCT
MIRR
MDP
LOCK
FOK
SFDR
VSS
TEST
FRDR
FE
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
2
1
70
71
68
69
66
67
64
65
62
61
63
73
74
72
75
76
77
78
79
80
4
XRST
3
SQCK
SQSO
5
9
8
7
6
56
60
53
54
55
59
57
58
51
52
48
49
50
47
44
45
46
43
41
42
XLAT
CLOK
SENS
SYSM
DATA
XUGF
XPCK
GFS
C2PO
WFCK
10 11 12 13 14 15 16 17 18 19 20
21
22
23
24
25
26
32
33
30
31
36
37
34
35
39
40
38
28
27
29
SPOA
ATSK
SCLK
VDD
SCOR
SPOB
XLON
XTAI
XVDD
EMPH
AVDD1
AOUT1
AIN1
XTAO
XVSS
AIN2
AOUT2
AVDD2
RMUT
LOUT2
LOUT1
BCK
LRCK
PCMD
LMUT
AVSS1
AVSS2
CPU
INTERFACE
SERVO AUTO
SEQUENCER
SERIAL IN
INTERFACE
OVER SAMPLING
DIGITAL FILTER
3rd ORDER
NOISE SHAPER
PWM
PWM
EFM
DEMODULATOR
TIMING
LOGIC
DIGITAL
OUT
D/A
INTERFACE
DIGITAL
PLL
ASYMMETRY
CORRECTOR
CLOCK
GENERATOR
MIRR, DFCT,
FOK
DETECTOR
DIGITAL
CLV
SUBCODE
PROCESSOR
SERVO
INTERFACE
SERVO DSP
FOCUS
SERVO
TRACKING
SERVO
SLED
SERVO
PWM GENERATOR
FOCUS PWM
GENERATOR
TRACKING
PWM GENERATOR
SLED PWM
GENERATOR
16K
RAM
ERROR
CORRECTOR
INTERNAL BUS
A/D
CONVERTER
OPERATIONAL
AMPLIFIER
ANALOG SWITCH
4.8 Vp-p
5 MHz
3.1 Vp-p
16 MHz
1.4 Vp-p
32.768 kHz
4.8 Vp-p
4.332 MHz
4.7 Vp-p
4.5 MHz
Approx.
170 mVp-p
1.45 
±
 0.3 
Vp-p
6.4 Vp-p
16.9344 MHz
2.5 Vp-p
7.5 
µ
s
Approx.
200 mVp-p
• Waveforms
– BD Board –
1
IC101 
yj
 (XTAO) (CD Play mode)
2
IC101 
ta
 (RFAC) (CD Play mode)
3
IC101 
ra
 (TE) (CD Play mode)
4
IC101 
el
 (FE) (CD Play mode)
5
IC101 
wh
 (MDP)
– MAIN Board –
1
IC102 
wf
 (XOUT)
2
IC103 
qf
 (XO) (AEP model only)
3
IC401 
qa
 (XCOUT)
4
IC401 
qd
 (XOUT)
– PANEL Board –
1
IC701 
4
 (X2)
5
Q209 (Base)
6
Q209 (Collector)
7
Q209 (Emitter)
2.3 Vp-p
11.4 
µ
s
13.6 Vp-p
11.4 
µ
s
0.5 Vp-p
11.4 
µ
s
• IC Block Diagrams
– BD Board –
IC101
CXD2587Q
IC102
BA5974FP-E2
45
HCD-DX60AV/RG70AV
APC PD AMP
APC LD AMP
RF SUMMING AMP
RF EQ AMP
FOCUS ERROR AMP
TRACKING
ERROR AMP
VC BUFFER
VCC
50
µ
A
VEE
VEE
VC
VC
VC
VC
VC
VC
VC
VC
VC
VC
VCC
VEE
VCC
VEE
VEE
VC
VCC
LC/PD
LD ON
HOLD SW
AGC CONT
RFTC
RF I
RF O
RFE
TE
FE
RF BOT
HOLD
AGC VTH
LD
PD
A
B
C
D
VEE
F
E
VC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
+
–
+
–
+
–
+
–
+
–
+
–
+ 
–
VCC
+
–
+
–
+
–
+
–
+ 
–
+ 
–
+ 
–
+ 
–
+
–
IC103
CXA2568M-T6
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