Sony CMT-GPX9DAB / HCD-GPX9 Service Manual ▷ View online
HCD-GPX9
25
25
HCD-GPX9
6-3. BLOCK DIAGRAM – PANEL/POWER SUPPLY Section –
4
42 BASS A
43 BASS B
REMOTE CONTROL
RECEIVER
IC802
S701 – 708,
S709 – 717,
S709 – 717,
S718 –725, 726
HP SW
B
ROTARY
ENCODER
BASS
S801
40 TRE A
41 TRE B
ROTARY
ENCODER
TREBLE
S802
5
VOL A
6
VOL B
3
STBY LED
47
DAB POWER 5
48
DAB POWER 3.3
ROTARY
ENCODER
VOLUME
S803
21
FL CLK
FL DATA
7
FL STB
57
CD BD POWER
80
RY ON
7
DIN
8
CLK
9
STB
1
LED1
FL701
FLUORESCENT
INDICATOR
TUBE
LED DRIVE
Q801
n
N
TAPE
D803
u
CD
D801
2
LED2
LED DRIVE
Q802
BAND
TUNER
D802
3
LED3
LED DRIVE
Q803
LED DRIVE
Q804
I/1
D804
FL/LED DRIVER
IC801
SYSTEM CONTROLLER
IC306 (3/3)
100
SIRCS IN/
WAKE
WAKE
74 KEY WAKE UP
F902
D911
RECT
D910
D910
RY901
F901
T901
POWER
TRANSFORMER
RECT
D901
D901
RECT
D902 – 905
+9V
REGULATOR
IC304
+10V
REGULATOR
IC901
+POWER
–POWER
UNREG
A+9V
M+10V
+5V
REGULATOR
IC907
+3.3V
REGULATOR
IC911
DAB +5V
DAB +3.3V
D912
RECT
D906 – 909
RELAY DRIVE
Q319, 320
+7V
REGULATOR
IC902
+4V
REGULATOR
IC903
CD M+7V,
M+7V
D+4V
FL AC
FL AC
D327
FL –30V
–30V REGULATOR
Q805 – 807
CURRENT
LIMIT
Q808
(AC IN)
AC DET
C
B+ SWITCH
Q312, 313
D311
D312
AVDD
DVDD
30 – 42
GR1 – GR12
14 – 29
SG1 – SG16
89 – 91
KEY1 – KEY3
12
RESET
20
AC-CUT
VOLTAGE DETECT
IC305
53
SW-POWER
RESET SWITCH
Q316
D306
D308
A+9V
U-COM B+
D317, 318
B+ SWITCH
Q322, 323
SWITCH
Q321
SUB POWER
BLOCK
U COM +B
AC
SW
SW 9V
(Page 24)
(Page 24)
HCD-GPX9
26
26
HCD-GPX9
•
Note for Printed Wiring Boards and Schematic Diagrams
•
Indication of transistor
•
Circuit Boards Location
Note on Schematic Diagram:
•
All capacitors are in
µ
F unless otherwise noted. (p: pF)
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.
•
f
: internal component.
• 2
: nonflammable resistor.
• 5
: fusible resistor.
• C
: panel designation.
Note: The components identified by mark
0
or dotted line
with mark
0
are critical for safety.
Replace only with part number specified.
Note on Printed Wiring Board:
• X
: parts extracted from the component side.
• Y
: parts extracted from the conductor side.
• W
: indicates side identified with part number.
•
f
: internal component.
•
: Pattern from the side which enables seeing.
(The other layers' patterns are not indicated.)
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.
C
B
These are omitted.
E
Q
B
These are omitted.
C
E
Q
• A
: B+ Line.
• B
: B– Line.
•
Voltages and waveforms are dc with respect to ground
under no-signal conditions.
– BD Board –
no mark : CD PLAY
– Other Boards –
no mark : FM
(
under no-signal conditions.
– BD Board –
no mark : CD PLAY
– Other Boards –
no mark : FM
(
) : CD PLAY
[
] : TAPE PLAY
〈〈
〉〉
: TAPE REC
{
} : DAB
∗
: Impossible to measure
•
Voltages are taken with a VOM (Input impedance 10 M
Ω
).
Voltage variations may be noted due to normal produc-
tion tolerances.
tion tolerances.
•
Waveforms are taken with a oscilloscope.
Voltage variations may be noted due to normal produc-
tion tolerances.
Voltage variations may be noted due to normal produc-
tion tolerances.
•
Circled numbers refer to waveforms.
•
Signal path.
F
: TUNER (FM/AM)
E
: TAPE PLAY
a
: TAPE REC
J
: CD PLAY
L
: AUX IN
f
: DAB
•
Abbreviation
EE
EE
: East European model
BD board
PANEL (1) board
module (DAB TUNER)
DAB board
MAIN board
POWER board
AMP board
DRIVER board
TUNER
SWITCHING
REGULATOR
REGULATOR
PANEL (2) board
Ver. 1.1
HCD-GPX9
27
27
HCD-GPX9
: Uses unleaded solder.
6-4. PRINTED WIRING BOARD – DRIVER Board –
6-5. SCHEMATIC DIAGRAM – DRIVER Board –
•
See page 26 for Circuit Boards Location.
•
See page 44 for IC Block Diagrams.
R702
R701
IC701
CN701
D701
C711
S702
S701
M701
C705
100
680
BA6956AN
7P
MTZJ-4.7C
10
50V
0.01
RNF
MGND
SW2(CHUCK SW)
SW1(OUT SW)
SW3(TRIGGER SW)
FIN(POS)
RIN(NEG)
VCC
OUT2
GND
V
REF
OUT1
VM
FIN
RIN
(CHUCK)
(OUT)
M+7V
LOADING MOTOR DRIVE
(LOADING)
(Page 32)
(Page 34)
C711
IC701
S701
R702
R701
D701
C705
CN701
S702
DRIVER BOARD
1-688-337-
12
(12)
M701
(LOADING)
M
MAIN BOARD
CN303
B
(CHUCK)
(OUT)
1
9
A
B
C
1
2
3
4
HCD-GPX9
28
28
HCD-GPX9
6-6. PRINTED WIRING BOARD – BD Board –
•
See page 26 for Circuit Boards Location.
: Uses unleaded solder.
JW104
JW105
JW106
JW107
JW108
JW109
JW110
JW111
JW112
JW116
JW117
JW118
JW120
JW123
JW124
JW125
JW132
JW133
JW134
JW102
JW126
JW128
JW131
JW119
JW101
JW114
JW115
C151
C183
CN201
C203
X101
C184
C201
C17
S101
CN101
C170
JW113
C116
JW103
JW127
IC251
JR109
JR104
C14
R114
JR108
JR101
R112
C202
R252
C161
R172
C181
C258
C163
C18
C131
R111
IC101
C182
C111
JR102
R10
JR110
R11
C141
C164
R141
JR103
C16
C15
C112
C251
C257
C113
JR106
Q10
C194
R251
C114
C259
C133
JR105
C115
C160
C252
C122
C124
C123
C162
R113
R142
R171
R406
R132
R151
R12
R121
R131
C125
C195
C117
C143
C172
C171
C174
R133
R407
C132
C142
R143
JR107
R13
R181
R182
C185
C186
JR111
R162
R161
R173
C10
C11
R202
C213
R408
R409
R410
R411
C212
C211
C210
R204
R412
R201
E
28
15
22
21
1
14
7
8
1
29
28
84
85
112
56
57
BD BOARD
1-860-501-
12
(12)
M101
(SPINDLE)
M
M102
(SLED)
M
(LIMIT)
TP013 (VC)
TP012
(RFACO)
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
A
MAIN BOARD
CN304
A
B
C
D
1
2
3
4
(Page 32)
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