Sony CDX-M8800 / CDX-M8805X Service Manual ▷ View online
37
37
CDX-M8800/M8805X
• Refer to page 24 for Waveform.
3-19. SCHEMATIC DIAGRAM — DISPLAY SECTION — • Refer to page 40 for IC Block Diagrams.
IC B/D
IC B/D
R955, 960
330
220
330
220
LED906–920, 957, 958
IC62
Q905
R939
R940
Q907
D70
C905
R944
R947
FB905
FB912
FB913
FB915
FB916
FB921
FB923
FB971
IC301
FB60
R949
R972
R994
IC10
Q906
Q909
Q910
Q911
Q912
Q913
Q914
Q915
FB920
R942
R999
R935
R941
FB926
R971
FB925
FB917
X301
LED955
R946
C916
R936
R974
R975
R998
R996
R997
R995
R950
R932
R933 R943
R963 R966
R973 R952
R976
R957
R961 R934
R937 R903
R904 R959
R962 R977
R990
R983
R993
D901
R929
R928
R901
R902
R964
R965
C983
R913
R912
R923
R911
R922
R910
R921
R909
R920
R908
R919
R907
R918
R906
R917
R905
R916
R915
R914
C904
C914
LED943
LED931
R988
R989
C912
R968
C902
R969
C903
C915
C960
C961
C970
R970
R945
LED911
LED919
R954
R951
LED907
LED915
LED916
LED906
R953
R956
R958
LED912
LED913
R924
LED908
R925
R930
LED917
LED918
LED909
LED920
LED910
R926
R931
R927
LED914
LED958
LED957
R1002
R1003
R991
R992
D920
D921
D919
D918
D917
C921
D916
D915
C920
D914
C922
CNP908
C901
D910
D911
D912
D902
FB906
C917
R948
C963
C973
C962
C907
R980
R981
R979
R978
C910
C908
R987
R986
C909
C911
R985
R984
R982
C913
D913
S901
S902
S903
S904
S905
S906
S907
S908
S909
S910
S921
S920
S919
S918
S917
S916
S915
S914
S913
S912
S911
FL900
LCD2
S932
S931
LED929
LED930
LED932
LED933
Q903
R967
Q904
LED922
LED921
LED925
LED923
LED927
LED928
LED935
LED936
R955
R960
LED926
LED902
LED934
LED901
LED903
R1000
R1001
LED905
LED942
LED904
LED924
LED937
Q908
IC2
(Page
37)
37)
Ver. 1.2
38
38
CDX-M8800/M8805X
IC1 LA6560-TE-L-E (SERVO Board (2/2))
3-20. IC BLOCK DIAGRAMS
1 2 3 4 5
6 7
11
MAIN
SOURCE
SELECTOR
REAR
SELECTOR
15
16
21
INPUT
MULTIPLEXER
NC
NC
AUXR
PDL+
PD-
NC
PDR+
8
MIX
NC
GND
NC
OUTLF
25
OUTLR
24 23
NC
MUTE
SAOUT
17 OUTSW
OUTRR
ACINR
33
ACINL
31
ACOUTL
32
IN-GAIN
POWER
SUPPLY
SOFT
MUTE
MAIN
VOLUME
7 BAND
EQUALIXER
SOFT STEP
FADER
SOFT STEP
FADER
HIGH PASS
FILTER2
MIXER
MIXER
SUB
WOOFER
FILTER
HIGH PASS
FILTER
LOUDNESS
FADER
II2CBUS
SOFT STEP
FADER
HIGH
PASS
FILTER2
37
ACOUTSW
36
ACINSW
35
ACOUTR
34
NC
9 10
SOFT STEP
FADER
SOFT STEP
FADER
ZERO
CROSS
SPECTRUM
ANALIZER
FILOL
26
AC2OUTL
27
AC2INL
28
VREFOUT
30
VDD
29
13 SCL
SAIN
12 SDA
14
18 FILOR
19 AC2OUTR
20 AC2INR
22 OUTRF
40
41
42
43
44
AUXL
MDR
MDL
AMR
AML
38
CREF
39
NC
IC401 TDA7416 (MAIN Board (2/4))
1
FWD
INPUT
2
REV
3
VCC2
4
VLO-
GND
5
VLO+
6
VO4+
7
VO4-
8
VO3+
9
VO3-
36 S-GND
35 VCONT
34 MUTE
33 VIN4
GND
32 VIN4-
31 VIN4+
30 VREF-IN
29 VIN1-SW
28 VREF-OUT
REG-OUT
27
REG-IN
26
VIN3+
25
VIN3
23
VIN2+
22
VIN2-
21
VIN2
20
VIN1+B
19
VIN3-
24
OUTPUT
CONTROL
LEVEL
SHIFT
MUTE
THERMAL SHUTDOWN
BTL-AMP
OUTPUT
ON/OFF
VIN1/VREF-SW
LEVEL
SHIFT
10
VO2+
11
VO2-
12
VO1+
13
VO1-
14
VCC1
15
VIN1
16
VIN1-A
17
VIN1+A
18
VIN1-B
AMP-B
AMP-A
LEVEL
SHIFT
LEVEL
SHIFT
L
H
1
VREF
VDD
GND
CE
CURRENT
LIMIT
2
3
5 VOUT
NC
4
1
24
2
3
4
5
6
7
VREF
VREF
VCC
VCC
VREF
23
21
22
20
17
14
13
19
18
16
15
VREF
VREF
VCC
VCC
VREF
8
9
10
11
12
SIGNAL
AMP
SIGNAL
AMP
SIGNAL
AMP
SIGNAL
AMP
LIFT
AMP
LIFT
AMP
LFIN-
LFIN+
N.C
LRIN-
LRIN+
RFIN+
RFIN-
N.C
DCL
DCR
LFOUT
LROUT
RFOUT
RROUT
VCCL
VCCR
LGND
RGND
LIFT
LVD
LVD
LIFT
LOUT
LOUT
LIFT
ROUT
ROUT
LIFT
ROUT
ROUT
RRIN+
RRIN-
IC7 R1114N151D-TR-FA
(SERVO Board (2/2))
(SERVO Board (2/2))
IC402 LA2901V-TLM (MAIN Board (2/4))
39
CDX-M8800/M8805X
IC110 BA8270F (MAIN Board (3/4))
IC702 LB1930M (MAIN Board (4/4))
1
2
3
4
5
5
6
7
8
9
10
14
13
12
11
BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUSON
RST
BATT
CLK
VREF
GND
VCC
RST
BUSON
BUSON
CLK-IN
B/U-C
DATA IN
DATA OUT
DATA
I/O
I/O
1
2
3
4
5
6
7
8
9
10
VCC
RIN
SGND
FIN
NC
NC
OUT2
NC
PGND
OUT1
CONTROL
CIRCUIT
MOTOR
DRIVE
CIRCUIT
BUFFER
BUFFER
40
CDX-M8800/M8805X
1
2
3
4
5
6
7
14
13
12
11
10
9
8
VCC
4B
4A
4Y
3B
3A
3A
3Y
GND
2Y
2B
2A
1Y
1B
1A
IC301 TC74VHC32FT(EL) (DISPLAY Board)
16
1
2
3
4
5
6
7
8
15
14
13
11 10
12
9
VIN
LIN GND
VSTAB
VCC
NC
NC
VPO
NC
GND A
VIN
VAGC
INS
VCO NC
GND
INPUT
SLAGE
320kHz
AGC
320kHz
/500kHz
PULSE
COUNTER
PULSE
FORMER
NOISE
SUPPRESSION
BANDGAP
REFERENCE
IC503 RRX9000-0601 (SUB Board)
IC62 RRX9000-0601 (DISPLAY Board)
IC62 RRX9000-0601 (DISPLAY Board)
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