Sony MDX-C5960R / MDX-C5970 / MDX-C5970R Service Manual ▷ View online
MDX-C5960R/C5970/C5970R
– 25 –
– 26 –
4-4.
BLOCK DIAGRAM – DISPLAY/KEY CONTROL Section –
D813 – 817,
LSW802, 808, 811
LSW801, 804, 806,
LSW807, 809, 810,
LSW807, 809, 810,
LSW812 – 821
PL801, 802
(LCD BACK LIGHT)
05
37
RE-IN1
D-BASS IN
KEYACK
79
NOSE-SW
12
BEEP
15
LCDANG
40
DATA
18
CLK
17
21
20
STB
OSC OUT
OSC IN
19
50
KEY-IN1
RE-IN0
106 107
KEY-IN0
X1
X0
X1A
X0A
RC-IN0
RC-IN1
46
47
49 72
93
92
73
LCD SO
13
LCD CKO
14
LCD CE
104
74
KEY ACTIVE
SWITCH
Q905
BUZZER
DRIVE
Q701
OSC
REGULATOR
Q806
D912
VOL+
VOL–
D900
J900
VLC0 – VLC5
REGULATOR
Q805, 807
DIMMER
POWER ON
3
4
CONTRAST
SWITCHING
Q901
AD-ON
LSW801 – 804,
LSW806 – 821
ROTARY
ENCODER
EN801
BACKUP +5V
CNP801
FRONT PANEL SIDE
BZ1
(BUZZER)
CN900
MAIN BODY SIDE
LCD +10V
LCD +10V
1
1
(LSW804: MDX-C5960R/C5970R only)
(LSW804: MDX-C5960R/C5970R only)
LSW805
D-BASS
11 – 6
22 – 25
X700
3.68MHz
X701
32.768kHz
KEY IN1 – KEY IN4
R845
LIQUID CRYSTAL DISPLAY DRIVER
IC801
MASTER CONTROLLER
IC700 (3/4)
LCD801
LIQUID CRYSTAL DISPLAY
32, 26 – 31, 33 – 38, 56 – 65,
75 – 90, 39 – 55, 66 – 74
SEG1 – SEG39, SEG48 – SEG73
100 – 93
COM0 – COM7
VOLUME/BASS/TREBLE/
BALANCE/FADER CONTROL
EN801
REMOTE IN
MDX-C5960R/C5970/C5970R
– 27 –
4-5.
BLOCK DIAGRAM – BUS CONTROL/POWER SUPPLY Section –
– 28 –
BACKUP +5V
BACKUP +5V
RESET SIGNAL
GENERATOR
IC801
RAM RESET
IC802
BATTERY
DETECT
Q601
ACCESSORY CHECK
Q900
LEVEL SHIFT
Q603
S900
6
8
4
CLK
ANT+B
FM8V
AMP+B
REGULATOR
IC800
COM8V
AM8V
MODE1
MODE2
STB
CLK IN
DATA OUT
DATA
2
RST
RESET
SWITCH
BUS ON
SWITCH
13
11
1
BUS ON
OUT
OUT
BUS
ON IN
12
9
DATA IN
SONY BUS INTERFACE
IC600
MASTER CONTROLLER
IC700 (4/4)
MD MECHANISM CONTROLLER
IC501 (2/2)
BUS ON SWITCH
Q600
BATT
BATT B+
BUS ON
DATA
CLK
RESET
7
6
5
4
2
16
BATT
ANT REM
AMP REM
6
5
CNJ600
BUS CONTROL IN
(FOR SONY BUS)
CNP500 (2/2)
(POWER CONNECTOR)
REGULATOR
CONTROL SWITCH
Q906
F1
COM +8V
(AUDIO CIRCUIT B+)
05
RST
3
BATT
BATTERY
SWITCH
10
BU IN
UNISI
50 UNISO
UNICKIO
MDMON 10
76
36
22 UNI CKIO
20 UNI SI
21 UNI SO
86 HSTX
29
90
65
MD-ON
D702
D916
TH600
D604
D603
D606
D913
D500
VCC
AM B+
(AM CIRCUIT B+)
FM B+
(FM CIRCUIT B+)
VCC
7
7
ACC
14
ILL IN
+5V
REGULATOR
Q6
+10V
REGULATOR
Q903, 904
+12V
REGULATOR
Q254
+3.3V
REGULATOR
IC401, Q401
DC/DC
CONVERTER
IC250
+5V
(TUNER CIRCUIT B+)
TUNER B+
B+ SWITCH
Q402, 403
B+ SWITCH
Q250, 251
+3.3V
D3
D803
D804
BACKUP +5V
2
3
4
9
BU+B
5
10
11
8
6
FM-ON
TU-ON
LAMP ON (ILL ON)
64
108
110
PW-ON 109
111
RESET
SYSRST
RAMBU
BU-IN
BUS-ON
RESET
LINKOFF
BU-IN
BUS-ON
ACC IN
57
ILL IN
48
61
60
30
49
46
102
J
(Page 24)
MUTE
H
(Page 24)
AMP ON
I
(Page 24)
STB
DRIVER +5V
MOTOR/COIL DRIVER
(IC303) B+
LOAD +12V
LOADING MOTOR
DRIVER (IC305) B+
LCD +10V
LCD DRIVER (IC801)/
ILLUMINATION LED B+
REGULATOR
CONTROL SWITCH
Q255
BATT B+
POWER AMP
(IC500) B+
RESET
D802
D607
MDX-C5960R/C5970/C5970R
– 29 –
4-6.
NOTES FOR PRINTED WIRING BOARDS AND SCHEMATIC DIAGRAMS
Note on Schematic Diagram:
• All capacitors are in µF unless otherwise noted. pF: µµF
• All capacitors are in µF unless otherwise noted. pF: µµF
50 WV or less are not indicated except for electrolytics
and tantalums.
and tantalums.
• All resistors are in
Ω
and
1
/
4
W or less unless otherwise
specified.
•
¢
: internal component.
•
C
: panel designation.
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
•
r
: Through hole.
•
¢
: internal component.
• b
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
Note:
The components identi-
fied by mark
The components identi-
fied by mark
!
or dotted
line with mark
!
are criti-
cal for safety.
Replace only with part
number specified.
Replace only with part
number specified.
Note:
Les composants identifiés par
une marque
Les composants identifiés par
une marque
!
sont critiques
pour la sécurité.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Ne les remplacer que par une
piéce por tant le numéro
spécifié.
Caution:
Pattern face side:
Pattern face side:
Parts on the pattern face side seen from
(Conductor Side)
the pattern face are indicated.
Parts face side:
Parts on the parts face side seen from
(Component Side)
the parts face are indicated.
•
U
: B+ Line.
•
H
: adjustment for repair.
• Power voltage is dc 14.4V and fed with regulated dc power supply
from ACC and BATT cords.
• Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal production toler-
ances.
ances.
• Circled numbers refer to waveforms.
• Signal path.
• Signal path.
F
: FM
f
: AM (MW/LW)
L
: BUS AUDIO IN
E
: MD PLAY
• Abbreviation
CND : Canadian model.
G
G
: German model.
MDX-C5960R/C5970/C5970R
• Semiconductor
Location
Ref. No.
Location
D401
E-6
D501
E-4
IC301
B-5
IC302
C-2
IC303
B-3
IC304
C-5
IC305
F-6
IC306
B-4
IC307
B-8
IC401
E-6
IC501
F-3
IC502
D-5
IC503
D-4
Q301
A-4
Q302
C-1
Q401
D-6
Q402
E-7
Q403
E-7
4-7.
PRINTED WIRING BOARD – SERVO Board –
(Page 41)
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