Sony CDX-C6750 / CDX-C7500 Service Manual ▷ View online
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IC2 CXA1782BQ
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PHD 2
PHD 1
PHD
LD
RF O
RF I
CP
CB
CC1
CC2
FOK
SENS
C.OUT
XRST
DATA
XLT
CLK
VCC
ISET
SL O
SL M
SL P
TA O
TA M
FSET
TG2
TGU
SRCH
FE O
FLB
FGD
FDFCT
FE M
FEI
FEO
FE BIAS
F
E
EI
VEE
TED
LPFI
TEI
ATSC
TZC
TDFCT
VC
APC
LEVEL S
FOK
MIRR
RF IV AMP1
RF IV AMP2
FE AMP
TTL
IIL
FZC COMP
DFCT
IIL
TTL
IIL DATA REGISTER
INPUT SHIFT REGISTER
ADDRESS DECODER
OUTPUT DECODER
TTL
IIL
TOG1-3
BAL1-3
FS1-4
TG1-2
TM1-7
PS1-4
F IV AMP
E IV AMP
BAL1
BAL2
BAL 3
TE AMP
TZC COMP
DFCT
TM1
DFCT
FS4
ATSC
WINDOW COMP
TOG1
TOG2
TOG3
FCS PHASE
COMPENSATION
FS1
F SET
TG2
TM7
TM3
TM4
TM5
TM6
ISET
TRACKING
PHASE
PHASE
COMPENSATION
HPF COMP
LPF COMP
TG1
FS2
TM2
RF M
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14
13
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9
8
TIMING
&
SYNCHRONIZATION
SIGNAL
PROTECTION
32 WORD X 8 BIT
DUAL PORT RAM
DUAL PORT RAM
CRC
CHECKER
CPU INTERFACE
VDD
VDD
DQSY
SRDT
SCLK
SW2
SW1
TEST
EXCK
SBSO
SCOR
WFCK
MCK
XMODE
GND
SE3L
SE3R
MUTE
SDA
SCL
PAUSE
OUT FL
OUT FR
OUT RL
OUT RR
SUBOUT+
SUBOUT–
VDD
GND
CREF
SE1L
SE1R
MD+
MD–
CDL+
CDL–
CDR–
CDR+
PDR
PDGND
PDL
SE2L
SE2R
INPUT
GAIN &
AUTO
ZERO
ZERO
PAUSE
DETECT
INPUT MUL
TIPLEXER &
MIXING ST
AGE
REAR SIDE
SELECTOR
FRONT SIDE
SELECTOR
LOUDNESS
CONTROL
CIRCUIT
INPUT
GAIN
BEEP
LOUDNESS
CONTROL
CIRCUIT
SOFT
MUTE
VOLUME
CONTROL
CIRCUIT
COMPANDER
TREBLE/
BASS
CONTROL
CIRCUIT
SUBWOOFER
OUT
FADER
SUBWOOFER
LP
IIC
BUS
DIGITAL CONTROL CIRCUIT
POWER
SUPPLY
FRONT
FADER
FRONT
FADER
REAR
FADER
REAR
FADER
VOICE BANDPASS
HP
LP
SDA
SCL
1
2
3
4
5
5
6
7
8
9
10
11
12
13
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16
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27
28
3
4
5
6
7
18
19
20
17
16
15
14
8
9
10
13
12
11
2
1
CLK
CONTROL
INPUT
INTERFACE
DIGITAL
FILTER
5LEVE DAC
LOWPASS FILTER
CMOS
AMP
5LEVEL DAC
LOWPASS FILTER
CMOS
AMP
MODE
CONT
ROL
XTI
DGND
VDD
LRCIN
DIN
BCKIN
ZERO
D/C R
VOUTR
AGND
VCC
VOUTL
D/C L
MODE
RSTB
MD/DM0
MC/DM1
ML/MUTE
CLKO
XTO
NOISE SHAPER
IC703 LC89170M-T
IC401 TDA7462D
IC702 PCM1717E-S
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BUS ON
SWITCH
RESET
SWITCH
BATTERY
SWITCH
BUS ON
RST
BATT
CLK
VREF
DATA
GND
VCC
RST
BUS ON
BUS ON
CLK IN
BU IN
DATA IN
DATA OUT
SWITCH
LP1/LP2
LP1/LP2
PORT
EXTENSION
CHARGE
PUMP
TEST
LOGIC
16 BIT PROG
COUNTER
REF
OSCILLATOR
TIMER
CONTROL
SWITCH
OUT
SUPPLY
&
POWER ON
RESET
11-21 BIT PROG COUNTER
14 BIT PROG
COUNTER
SWITCH
AM/FM
PHASE
COMP
INLOCK
DETECTOR
11 BIT PROG
COUNTER
SWITCH
SWM/DIR
6 BIT PROG
COUNTER
SWITCH
SWM/DIR
PRE COUNTER
:32/33
I
2
C BUS
INTERFACE
SWITCH
AM/FM
VDD1
1
2
3
4
6
7
8
5
9
10
11
14
12
13
17
18
19
20
21
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16
15
LP FM
LP HC
LP AM
V REF
LCL/DX
SEEK
NIL
MONO
OSCIN
OSCOUT
NC
SCL
SDA
IF AM
LPOUT
VDD2
GND AM
AM IN
FM IN
NC
GND D
VDD1
ADDR
HFREF
AMOSC
DOUT/INLOCK
SSTOP
IF FM
IC601 TDA7427AD1
IC803 BA8270F-E2
IC901 BA4903
REGULATOR
VREF
+
–
+
–
THERMAL
SHUT
DOWN
OVER
VOLTAGE
PROTECT
PROTECT
CIRCUIT ON
5
1
2
3
4
AMP
ON
AMP
OUT
GND
VCC
VDD
OUT
OUT
ON
ON
5.7V
– 52 –
#2
#1
#4
#1
#1
#2
#2
#2
#10
#10
#10
#1
F901
1
2
3
4
5
6
7
8
10
9
11
12
13
15
15
TU601
#1
14
#2
MG-363T-121
16
#1
17
SECTION 5
EXPLODED VIEWS
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.
The components identified by
mark
mark
! or dotted line with mark.
! are critical for safety.
Replace only with part number
specified.
Replace only with part number
specified.
Les composants identifiés par une
marque
marque
! sont critiques pour
la sécurité.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ne les remplacer que par une piéce
portant le numéro spécifié.
Ref. No.
Part No.
Description
Remark
5-1. CHASSIS SECTION
N
N
Ref. No.
Part No.
Description
Remark
* 1
3-030-925-01 COVER
2
X-3376-688-1 PANEL ASSY, SUB
3
3-030-936-01 BUTTON (EJECT)
* 4
1-672-511-11 RELAY BOARD
5
X-3376-687-1 LOCK ASSY
6
X-3376-686-1 GEAR ASSY
* 7
3-030-927-01 BRACKET (MD)
8
1-790-375-11 CORD (WITH CONNECTOR) (SUB OUT)
* 9
A-3294-604-A MAIN BOARD, COMPLETE (C6750)
* 9
A-3294-634-A MAIN BOARD, COMPLETE (C7500)
* 10
3-030-926-01 CHASSIS
* 11
3-030-928-01 HEAT SINK (REG)
* 12
3-019-565-01 BRACKET (IC)
* 13
3-030-967-01 HEAT SINK
14
1-776-207-82 CORD (WITH CONNECTOR) (POWER)
15
3-376-464-11 SCREW (+PTT 2.6X6), GROUND POINT
16
1-790-481-11 CABLE, FLAT (FFC) 13P
17
3-035-250-01 SCREW (LOCK)
F901
1-532-877-11 FUSE (BLADE TYPE) (AUTO FUSE) 10A
TU601
A-3301-700-A TUNER ASSY (C6750)
TU601
A-3301-799-A TUNER ASSY (C7500)
Click on the first or last page to see other CDX-C6750 / CDX-C7500 service manuals if exist.