Sony MHC-RG66T Service Manual ▷ View online
MHC-RG66T
45
45
7-24. DIAGRAMA ESQUEMÁTICO - PLACA PAD SWITCH/VOL
• Tensões estão em DC em relação ao terra,
em condição de ausência de sinal.
sem indicação : TUNER (FM/AM)
sem indicação : TUNER (FM/AM)
NO605
TP682
S776
S777
S775
S774
S773
S772
S771
S770
S769
S768
S767
S766
S765
S754
S755
S757
S758
S759
S760
S761
S762
CN606
CN607
S750
D613
C615
S748
R625
C614
R750
R765
R766
R767
R768
R769
R770
R771
R772
R773
R774
R775
R776
R777
R778
S778
S752
S756
R752
R753
R755
R756
R757
R758
R759
R760
R761
R762
IC603
R754
C752
C751
8P
4P
4P
1SS133T
-72
47
10V
47
0.001
270
470
680
1k
1.5k
1.5k
2.2k
3.3k
4.7k
6.8k
10k
15k
22k
33k
68k
680
1k
1.5k
2.2k
3.3k
4.7k
6.8k
10k
15k
22k
NJL74H400A
1.5k
0.1
0.1
VOL 1A
VOL 1B
GC DGND
KEY 1
VOL 1B
VOL 1A
KEY 1
KEY INT DISPLAY
KEY 0
SIRCS
DGND
EVER +4V
VOL 1A
VOL 1B
GC DGND
KEY 1
VOLUME
(ROTARY ENCODER)
DISPLAY
DIMMER
FM MODE
REPEAT
SPECTRUM
TUNER MEMORY
PLAY MODE
S766
S765
S767
S769
S768
S770
GROOVE
S771
S772
S773
EFFECT
ON/OFF
S774
S775
ENTER
S776
S777
MOVIE EQ
GAME EQ
MUSIC EQ
S778
SURROUND
P FILE
-
+
REMOTE CONTROL
RECEIVER
DIRECTION
EDIT
(Page 43)
MHC-RG66T
46
46
7-25.
PLACAS DE CIRCUITO IMPRESSO - SEÇÃO MAIN-TRANS / SUB-TRANS
MAIN TRANS BOARD
1-683-539-
11
(11)
4
1
∗ ∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
T910
MAIN POWER
TRANSFORMER
M
POWER
BOARD
NO501
IC971
SUB-TRANS BOARD
1-683-540-
11
(11)
1
3
3
E
N
POWER BOARD
NO504
1
1
4
2
1
2
AC IN
VOLTAGE SELECTOR
S901
120V
220V
230
−
240V
T972
SUB POWER
TRANSFORMER
A
B
C
D
E
F
G
H
1
2
3
4
5
6
7
(E)
(MX)
(E)
(AR)
(E, AR)
(E)
(E)
(MX)
(AR)
(E, AR)
(MX, AR)
(E)
11
1
(Page 40)
(Page 40)
• Localização dos
Semicondutores
Ref. No.
Location
D971
G-4
D972
F-2
D973
F-2
D974
E-2
D975
E-2
D977
C-7
IC971
G-2
Q971
G-3
MHC-RG66T
47
47
7-26. DIAGRAMA ESQUEMÁTICO - PLACA MAIN0-TRANS / SUB-TRANS
• As tensões estão em DC em relação ao terra
em condição de ausência de sinal.
sem indicação : TUNER (FM/AM)
sem indicação : TUNER (FM/AM)
TP3
TP4
TP5
TP6
TP7
TP8
TP9
TP10
TP11
TP12
TP13
R944
D977
JW972
R974
R975
CN976
C975
D974
D975
D973
D972
C976
C973
C978
C977
JW984
JW990
JW987
JW975
T972
JW973
R952
R941
R953
C941
Q971
C971
D971
CN974
RY971
D976
F971
F974
F975
NO971
JW986
S901
JW993
JW971
CN973
JW974
T910
CN997
R951
11ES2
100k
10k
3P
2200
16V
11ES2
11ES2
11ES2
11ES2
0.1
100
16V
16V
0.1
0.1
0.15
1
100
63V
63V
2SC2785
10000p
250V
1SS133T
2P
T6.3AL
250V
T6.3AL
250V
T6.3AL
250V
11P
0.1
∗
∗
STBY RELAY
D-GND
N
220
120
AC3
AC4
AC4
VF
VF
VL
VL
AC3
GND
GND
230-240
220
120
N
EVER+4V
220
220
120
120
VP
TRANSFORMER
TRANSFORMER
SUB POWER
MAIN POWER
∗
NOT REPLACEABLE:
BUILT IN TRANSFORMER
RELAY DRIVE
POWER ON/OFF
AC IN
220V
VOLTAGE SELECTOR
120V
230-240V
-1
-2
(MX)
(AR)
(MX)
(E)
(E)
(E)
(E)
(E)
G
O
µ
PC3504AMF
+4V REGULATOR
IC971
(Page 41)
(Page 41)
I
MHC-RG66T
48
48
F01
R02
R01
LINE NF
LINE IN
REFERENCE
CURRENT
REFERENCE
CURRENT
RESET
BAND
PASS
FILTER
DET
17
RESET
18
F02
16
F03
15
F04
14
F05
13
F06
12
REC LEVEL
11
VCC
10
4
3
2
1
+
–
REC NF
REC IN
6
RESET C
7
BIAS C
8
GND
9
5
+
–
1
2
3
4
5
6
7
8
9
CONTROL LOGIC
TSD
VREF
OUT2
OUT1
RNF
VM
VCC
FIN
GND
RIN
RW/ROM
RW/ROM
EQ ON/OFF
VOFST
VOFST
DVC
VC
VC
VC
RW/ROM
VC
DVC
30
29
28
+
–
+
–
DVC
VCC
DVC
27
26
25
24
RW/ROM
EQ
23
22
21
20
19
RFAC
VCA
VCC
+
–
DVC
+
–
+
–
RW/ROM
VC
RW/ROM
DVC
+
–
3
A
B
C
D
B
C
C
A
A
A
B
C
C
D
B
C D
D
+
–
1
2
APC AMP
5
6
7
8
9
4
RFAC
SUMMING
AMP
RW/ROM
APC-OFF
(Hi-Z)
RW/ROM
(H/L)
VOFST
VC
RW/ROM
+
–
10
11
GM
GM
18
17
16
B
D
A
C
13
14
15
12
EQ IN
LD
PD
GND
A
B
C
D
AC SUM
E
F
DVCC
DVC
RFAC
SW
DC OFST
RFDCI
RFDCO
VC
RFC
VFC
BST
RFG
VCC
CEI
CE
TE BAL
TE
FEI
FE
• DIAGRAMA EM BLOCO DOS IC's
– Placa BD –
– Placa BD –
IC101
CXD3017Q
IC102
BA5974FM-E2
IC103
CXA2581N-T4
– Placa DRIVER –
IC701
BA6956AN
– Placa PAINEL –
IC602
BA3830F-E2
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
VC
COUT
SE
XTSL
TES1
SRDR
TFDR
FFDR
TRDR
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
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
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
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
AIN3
GND
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