Sony CDX-646 / CDX-646X Service Manual ▷ View online
CDX-646/646X
9
9
C409
C410
RV202
ELEVATOR
HEIGHT
SENSOR
IC304
C313
C315
IC305
C316
C311
RV201
C115
C116
C319
X201
C419
C505
C506
C407
C310
X501
TP304
TP303
TP309
TP310
TP125
TP126
BP121
BP122
TP321
TP322
TP323
TP324
BP201
TP101
TP102
TP103
TP104
TP105
TP106
TP107
TP109
TP110
TP111
TP112
TP113
TP114
TP115
TP116
TP119
TP120
TP121
TP122
TP123
TP117
TP118
BP202
TP202
TP201
BP301
BP302
TP108
MAIN BOARD
(CONDUCTOR SIDE)
(CHASSIS)
(CHASSIS)
(CHASSIS)
M104
(ELEVATOR)
M
RED
BLK
YEL
BLU
1-681-576-
11
(11)
SWITCH BOARD
1-681-578-
11
(11)
(CHASSIS)
SW801
Z
YEL
BLU
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
G
H
I
J
K
2-7.
PRINTED WIRING BOARDS – MAIN (Conductor Side)/SWITCH Boards –
• Semiconductor
Location
Ref. No.
Location
IC304
H-12
IC305
F-12
CDX-646/646X
10
10
X201
TP101
TP102
TP103
TP104
TP105
TP106
TP107
TP108
TP109
TP110
TP111
TP112
TP113
TP114
TP115
TP116
TP117
TP118
TP119
TP120
TP121
TP122
TP123
TP125
BP121
TP126
R122
R123
C121
C122
C123
C103
C112
R102
R103
C108
C503
C504
RV202
RV201
R211
TP201
TP202
R223
R105
R104
C106
C109
C110
C107
R106
R107
R101
C104
C105
R114
C101
C506
C505
C501
C502
R207
C205
C203
R210
C201
R201
R202
C119
IC201
BP201
BP202
C204
C206
R125
BP122
X501
R505
R506
R504
R503
R502
R501
IC101
SW201
R311
R204
Q202
R221
R222
C115
4MHz
33k
100k
220p
220p
0.1
0.1
0.1
10k
3.3k
0.1
0.001
0.001
10k
47k
100k
1k
1M
3.3k
0.0033
0.01
1
220p
470k
10k
33k
0.0015
0.047
1k
0.1
47
4V
4V
47
4V
4V
100p
100p
1k
0.1
0.1
1k
0.1
10k
0
0.1
MB90473PFV-G
-111-BNDE1
0.1
0.1
33k
16.9344MHz
10k
10k
10k
10k
10k
10k
CXD3017Q
100k
470k
DTC124EKA
-T146
10k
10k
1000
16V
A1
A2
A3
A4
A5
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
FRDR
MDP
SFDR
FFDR
TFDR
TRDR
SRDR
FWD
REV
LOAD2
LOAD1
SW
SW
F
W
D
R
E
V
FW
D
R
E
V
S
I
S
O
S
C
K
S
C
O
R
S
Q
S
O
S
Q
C
K
C
L
O
K
XL
A
T
D
A
T
A
X
R
S
T
FRDR
FFDR
TRDR
TFDR
SRDR
SFDR
MDP
S
C
L
K
S
E
N
S
C
L
O
K
X
L
A
T
D
A
T
A
X
R
S
T
S
C
O
R
S
Q
C
K
S
Q
S
O
SENS
SCLK
LOAD1
LOAD2
FOK
G
F
S
GFS
FOK
EMPH
E
M
P
H
LIMSW
LIMSW
LIMSW
RF
RF
RFAC
RFAC
AA1
AA2
AA3
AA4
VSS
LEDDAT
LEDCLK
VCC
LEDLAT
NC
NC
AVCC
AVRH
AVSS
EHS
MCK
KEY0
KEY1
VSS
MD0
MD1
MD2
M
AGLK
EJECT
NC
X1A
X0A
VSS
X0
X1
VCC
CFSEL
TEXTSEL
ESPSEL
TEST
ELVR
ELVF
LOADF
LOADR
EECLK
EEDAT
RAM
A5
RAMA6
RAMA7
RAMA12
RAM
A14
RAM
W
E
R
AM
A13
RAM
A8
RAMA9
RAM
A11
CDON
ELVON
FOK
GFS
SCLK
SENS
BUSON
BUCHK
SCOR
GRSCOR
SQSO
NC
SQCK
CDCLK
CDLAT
CDDAT
XRST
XQO
K
XRDE
XW
RE
EM
PH
MUTE
RAM
A10
RAM
CS
RAM
IO7
RAM
IO6
RAM
IO5
RAMIO4
RAMIO3
RAMIO2
RAMIO1
RAMIO0
RAMA0
RAMA1
RAMA2
RAMA3
RAMA4
SQSO
SQCK
XRST
SYSM
DATA
CLOK
SENS
SCLK
XLAT
VDD
ATSK
SPOA
SPOB
XLON
WFCK
XUGF
XPCK
GFS
C2PO
SCOR
COUT
MIRR
DFCT
FOK
LOCK
MDP
SSTP
SFDR
SRDR
TFDR
FFDR
FRDR
VSS
TEST
TES1
XTSL
VC
FE
SE
TE
CE
RFDC
ADIO
AVSS0
IGEN
AVDD0
ASYO
ASYI
BIAS
RFAC
AVSS3
CLTV
FILO
FILI
PCO
AVDD3
VSS
VDD
DOUT
LRCK
PCMD
BCK
EMPH
XVDD
XTAI
XTAO
XVSS
AVDD1
AOUT1
AIN1
LOUT1
AVSS1
AVSS2
LOUT2
AIN2
AOUT2
AVDD2
RMUT
LMUT
TRDR
NC
LIM.SW
LOAD1
LOAD2
FRDR
FFDR
TFDR
TRDR
SFDR
SRDR
MDP
GND
GND
+8V
GND
FE
TE
RF
+8V
VC
+5V
SW
RFAC
+3.3V
GND
RESET
SYSTEM CONTROLLER
HS
SW
SW
FL BOOT
TX
RX
UNI SI
UNI SO
U
NI CK
RW SEL
LIM SW
LOAD SW
SAVE SW
MAG SW
6/10 SEL
SINGLE
1
26
CH.REV
CH.FWD
FLEXIBLE
BOARD
MAIN
DIGITAL SIGNAL PROCESSOR,
DIGITAL SERVO PROCESSOR,
DIGITAL FILTER,
D/A CONVERTER
(MAGAZINE DETECT)
ON:WHEN MAGAZINE
IS SET
ELEVATOR HEIGHT
SENSOR
RV202
CD-ROM/RW
SELECT SWITCH
2-8.
SCHEMATIC DIAGRAM – MAIN Board (1/2) –
•
See page 5 for for Waveforms.
•
See page 13 for IC Block Diagram.
(Page 11)
(Page 7)
CDX-646/646X
11
11
R304
IC303
C318
C412
R416
TP305
TP306
TP307
TP308
TP309
TP310
TP311
TP312
TP313
IC305
C317
C316
C319
C315
C314
C313
D310
C312
R310
R306
R421
R420
R422
C311
Q305
Q303
R309
C310
C309
D304
D301
C306
TP323
R301
TP321
TP322
TP324
D312
R305
C308
D307
D306
C307
R303
Q302
Q402
Q410
C410
Q420
R415
C411
C409
C431
C301
C302
C303
IC401(1/2)
IC401(2/2)
C407
C408
R408
R418
C418
C419
R417
R407
IC302
IC301
C304
R302
TP303
TP304
TP301
TP302
TP801
TP802
SW801
M104
BP301
BP302
D305
IC306
IC304
R405
R403
R404
R406
R411
R412
R409
R413
R414
R410
C414
C413
150k
XC61CN2502PR
0.1
100p
100k
NJM2395AF05
0.1
100
16V
16V
220
16V
16V
1000
16V
0.1
100
16V
16V
MA8056-H-TX
0.1
100k
47k
470
0
470
100
16V
16V
2SB1202FAT-TL
2SC2712-YG-TE85L
47k
1000
16V
0.01
RB521S-30-TE61
RB521S-30-TE61
0.0047
47k
UDZS-TE17-6.8B
100k
0.1
1SS355TE-17
UDZS-TE17-6.2B
0.33
120k
2SC2712-YG-TE85L
DTA114EKA-T146
UN2226-TX
10
16V
UN2226-TX
100k
100p
10
16V
0.001
0.1
0.1
0.1
TLV2362IPWR
TLV2362IPWR
47
4V
4V
0.1
33k
33k
0.1
47
4V
4V
5.6k
5.6k
BA8272AFV-E2
LB1930M-TLM
0.1
100k
RB521S-30-TE61
RH5RL33AA-T1
NJM2395AF08
6.8k
6.8k
6.8k
6.8k
12k
12k
12k
220
220
12k
100p
100p
A1
A2
A3
A4
A5
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
SO
SI
SCK
FWD
REV
AA1
AA2
AA3
AA4
CLK
RST
DATA
BUSON
GND
GND
B.UP
LCH
AGND
RCH
GND
ELV+
ELV-
EJECT
GND
(CHASSIS)
(CHASSIS)
BUSON
GND
CLK
DATA
RST
SO
SI
SCK
VCC
BUSON
LOF
BUSON
IN
OUT
VREF
OUT
(CHASSIS)
(ELEVATOR)
JACK
FLEXIBLE
BOARD
1
13
B.UP
B.UP
ELEVATOR MOTOR DRIVE
BUS INTERFACE
(FOR SONY BUS)
RESET
Q303,305
+3.3V REGULATOR
O
G
I
RESET SIGNAL
GENERATOR
BATTERY
CHECK
+5V REGULATOR
+3.3V REGULATOR
O
G
I
+8V REGULATOR
CONT
GND
VIN
VOUT
CONT
GND
VIN
VOUT
MUTING CONTROL SWITCH
MUTING
MUTING
GROUND-ISOLATION
2-9.
SCHEMATIC DIAGRAM – MAIN (2/2)/SWITCH Boards – •
See page 13 for IC Block Diagrams.
(Page 12)
(Page 10)
CDX-646/646X
12
12
CNJ901
D901
FB902
FB903
C901
C902
C904
C906
D903
D904
FB901
D902
1
13
CN901
PS901
JACK BOARD
(COMPONENT SIDE)
1-681-577-
11
(11)
JACK FLEXIBLE BOARD
JACK BOARD
(CONDUCTOR SIDE)
1-681-577-
11
(11)
4
5
1
2
3
6
7
8
5
4
8
7
6
2
1
3
CONTROL
(FOR SONY BUS)
AUDIO OUT
L
R
MAIN BOARD
CN301
B
2-10.
PRINTED WIRING BOARDS – JACK Board –
2-11.
SCHEMATIC DIAGRAM – JACK Board –
(Page 8)
(Page 11)
Click on the first or last page to see other CDX-646 / CDX-646X service manuals if exist.