Sony CDX-M770 Service Manual ▷ View online
57
CDX-M770
IC305 TDA7402TR
34
35
36
37
38
39
40
41
42
43
44
33 32 31
30
29
28
27
26
25
24 23
22
21
20
19
18
16
15
14
13
12
1 2
3 4 5 6
7 8 9 10
11
INPUT
MULTIPLEXER
MAIN SOURCE
SELECTOR
MIXING
SELECTOR
SECOND SOURCE
SELECTOR
MAIN
PHONO
MAIN
CH0
AUX
AM
FM
IN-GAIN
+AUTO ZERO
+
LOUDNESS
SOFTMUTE
VOLUME
TREBLE
BASS
HP
LP
COMPANDER
VOICE
BANDPASS
MUTE
IN-GAIN
LOUDNESS
DIGITAL CONTROL
IIC-BUS
HIGH-CUT
S&H
25kHz
LP
DEMODULATOR
+STEREO ADJUST
+STEREO BLAND
MULTIPATH
DETECTOR
D/A
CONVERTER
PILOT
CANCELATION
PIL DET
PLL
AM/FM
NOISE BLANKER
BEEP
80kHz
LP
17
PULSE
FORMER
QUAL
SUPPLY
SECOND
MAIN
ACIN
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
MONO-
FADER
SUBWOOFER
+PHASE
CONTROL
MIXER
OUTPUT
SELECTOR
FRONT
REAR
SW
VDD
SCL
SDA
GND
EXT-ATT
QUAL
MPOUT
MPIN
S-METER
MPX
AMIF
SEL
SER
FD1L+
FD1L–
FD1R+
FD1R–
FD1L+
FD1L–
FD1R+
FD1R–
AM
ACINLF
SWINR
SWINL
ACOUTR
ACOUTL
CREF
MUX
MD1
MD1G
MD2
MD2G
ACINRL
ACINRF
ACINRR
OUTLF
OUTLR
OUTRF
OUTRR
OUTSWL
OUTSWR
OUTSSL
OUTSSR
IC62, 901 RRX9000-0601
16
1
2
3
4
5
6
7
8
15
14
13
11 10
12
9
V IN
L IN GND
V STAB
VCC
NC
NC
VPO
NC
GND
V IN
V AGC
INS
VCO NC
GND
INPUT
SLAGE
320kHz
AGC
320kHz
/500kHz
PULSE
COUNTER
PULSE
FORMER
NOISE
SUPPRESSION
BANDGAP
REFERENCE
58
CDX-M770
3
4
1
2
9
6
7
5
8
8
A
A
#2
#2
CN901
#2
#2
#2
MG-383V-121//K
#1
#1
SECTION 5
EXPLODED VIEWS
Ref. No.
Part No.
Description
Remark
5-1. CHASSIS SECTION
Ref. No.
Part No.
Description
Remark
The components identified by
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
mark 0 or dotted line with mark
0 are critical for safety.
Replace only with part number
specified.
NOTE:
• The mechanical parts with no reference
number in the exploded views are not supplied.
• Items marked “*” are not stocked since
they are seldom required for routine service.
Some delay should be anticipated
when ordering these items.
Some delay should be anticipated
when ordering these items.
• -XX and -X mean standardized parts, so
they may have some difference from the
original one.
original one.
• Color Indication of Appearance Parts
Example :
KNOB, BALANCE (WHITE) ... (RED)
Parts Color Cabinet’s Color
• Accessories and packing materials and
hardware (# mark) list are given in
the last of this parts list.
the last of this parts list.
R
R
* 1
3-230-511-01 COVER
2
1-776-207-72 CORD (WITH CONNECTOR) (POWER) (US)
2
1-776-527-71 CORD (WITH CONNECTOR) (ISO) (POWER)
(AEP,UK,E)
3
X-3380-550-1 PANEL (CD) SUB ASSY, SUB (US)
3
X-3380-553-1 PANEL (CD) SUB ASSY, SUB (AEP,UK,E)
* 4
1-681-373-11 SUB (CD) BOARD
5
3-230-515-01 SLIDER (FLEXIBLE)
6
3-230-514-01 COVER (FLEXIBLE)
7
3-230-516-01 SPRING (FLEXIBLE), TENSION
8
3-045-756-01 SCREW (PANEL)
* 9
3-045-743-01 BRACKET (CD)
CN901
1-783-268-11 CABLE, FLAT 11P
59
CDX-M770
63
64
65
66
52
#2
#12
#2
#5
#5
#5
53
51
54
55
58
59
60
57
56
62
58
61
#2
#2
#2
#2
#4
#5
#5
#5
M601
5-2. CAM SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
51
3-230-495-01 CAM (L)
52
X-3380-549-1 ARM (B-R) ASSY
53
X-3380-544-1 BRACKET (L) ASSY
54
X-3380-548-1 ARM (B-L) ASSY
55
X-3380-546-1 ARM (A-L) ASSY
56
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
57
3-045-714-01 GEAR (B)
58
3-342-940-01 WASHER (M)
59
3-045-713-01 GEAR (A)
* 60
1-681-375-11 SW BOARD
* 61
X-3378-711-1 BRACKET (MOTOR) ASSY
62
3-230-494-01 GEAR (C)
63
3-230-496-01 CAM (R)
64
X-3380-545-1 BRACKET (R) ASSY
65
3-030-909-11 DAMPER, OIL
66
X-3380-547-1 ARM (A-R) ASSY
M601
X-3378-769-1 MOTOR ASSY (OPEN/CLOSE)
60
CDX-M770
101
F901
TUX201
#2
#2
#2
#2
#2
#2
#2
#3
#2
#2
102
103
103
104
104
105
106
106
107
107
108
109
111
110
112
113
115
114
5-3. MAIN BOARD SECTION
Ref. No.
Part No.
Description
Remark
Ref. No.
Part No.
Description
Remark
101
X-3380-558-1 CHASSIS (CD) ASSY
* 102
3-230-417-01 SHEET, INSULATING
103
3-230-493-01 GEAR (DRIVE SHAFT)
104
3-230-444-01 GUIDE (DRIVE SHAFT)
105
3-045-721-01 SHAFT, DRIVE
106
3-040-692-01 RING, CE TYPE RETAINING
107
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
* 108
A-3283-163-A MAIN BOARD, COMPLETE (US)
* 108
A-3283-177-A MAIN BOARD, COMPLETE (AEP,UK,E)
* 109
3-230-513-01 HEAT SINK (REG)
* 110
3-230-509-01 CHASSIS, BACK
* 111
3-019-565-01 BRACKET (IC)
* 112
3-230-510-01 HEAT SINK (US)
* 112
3-230-510-11 HEAT SINK (AEP,UK,E)
113
1-777-246-41 CORD (WITH CONNECTOR) (ANT)
114
1-790-375-21 CORD (WITH CONNECTOR) (SUB OUT (MONO))
115
1-757-775-11 CORD (WITH CONNECTOR) (AUX-IN (AUDIO))
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TUX201 A-3220-813-A TUNER UNIT (TUX-020)
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