HCD-GX40, MHC-GX40 — Sony Audio Service Manual (repair manual). Page 21

View Sony HCD-GX40 / MHC-GX40 Service Manual online

21
21
HCD-GX40
MAIN Section
: FM
: CD
• Signal Path
• R-CH is omitted due to same as L-CH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
FM
G
AM
JK101
+12V
+12V
FA
10
FM OSC
16
A OUT
20
A IN
19
PD
18
PLL
IC102
FM
AM OSC
9
VCO STOP
12
IF IN
8
IF REQ
6
DO
4
DI
5
CLK
3
CE
XIN
1
XOUT
22
X101
4.5MHz
RF IF AMP
Q101
10.7MHz
R DO
R DI
R CL
R CE
2
1
5
12
3
8
10
11
7
RB101
2
AM MIX-OUT
8
FM-DET
FM/AM
FM SD
VCO STOP
12
IF-REQ
MUTE
10
AM RF-IN
21
AM OSC
23
FM-IN
1
AM/FM IF MPX
IC101
13
L-OUT
14
R-OUT
4
AM IF-IN
IFT101
R-CH
R-CH
6
TUNED
7
STEREO
LATCH
85
TUNER STEREO
79
TUNER TUNED
78
ANT
 IN
8
1
IF  
OUT
3
F  OUT
4
VT
FE101
CF101
10.7MHz
CF102
Q102
AFC
22
CE
93
CLK
97
DATA OUT
95
DATA DIN
96
SYSTEM CONTROL
IC601(2/3)
R DO
R CL
R CE
R DI
BIAS
TRAP
R-CH
BIAS
OSC
Q209
+12V
ERASE
HEAD
REC/PB
HEAD
R-CH
PB
HEAD
DECK-B
DECK-A
18
TAPE A
 STAT
81
TAPE PHOTO A
Q207
AIN(L)
32
DECK A/B SELECT,
PB/REC EQ AMP
IC201
BIN(L)
34
REC-OUT(L)
21
TAPE AMS
83
28
EQOUT(L)
AMS
Q229,220,221
26
PB-OUT(L)
24
REC-IN(L)
23
ALC(L)
9
B+
7
15
11
24
FM TUNED
LEVEL
RV101
MUTE
Q105
D105
L201
R-CH
Q203
Q204
BIAS
Q208
Q205
RECBIAS
Q206
REC MUTE
9
TAPE MUTE
12
A/B
8
15
RECMUTE-ON/OFF
14
MUTE-ON/OFF
13
A/B
BUS/SHIFT REGISTER
IC202
23
SOL A
BIAS
18
REC
20
26
DI
3
CLK
4
LATCH
TUNER MUTE
10
19
TAPE B
 STAT
TAPE DECK
TAPE A HALF
TAPE MODE SW A
TAPE B HALF
TAPE MODE SW B
TAPE FWD REC SW B
PHOTO SENSOR A
82
TAPE PHOTO B
PHOTO SENSOR B
A SOL DRIVE
Q224,225
TAPE SOL A
22
SOL B
B SOL DRIVE
Q222,223
TAPE SOL B
24
MECHA VCC
M+B CONT
Q226,227
MOTOR SW VCC
BUFF
Q319
Q329
6
GAME GAIN1
L
AUDIO
R
GAME INPUT
R-CH
VIDEO
VIDEO OUT
BUFF
Q321
Q333
7
GAME GAIN2
BUFF
Q317
Q328
5
GAME MUTE
JK681
JK602
RESET
Q228
19
STK MUTE
17
SPK RELAY
21
CD CTL ON/OFF
2
RESET
3
SYS
MUTE
94
DATA
A
CD
SECTION
CD-L
IC301
A1
5
C1
9
SEL1
4
VIN1
1
17
OUT1
SC
13
SI
14
B1
7
SOUND PROCESSOR
MUTE
Q331
POWER AMP
IC501
1
2
12
6
7
Q305
Q311
MUTE CONT
Q313,314
MUTE
Q581
PROTECT
DETECT
Q809,810
D502
MUTE
Q315
D315
MUTE CONT
Q503,504
MUTE CONT
Q511,512
Q330
+5.6V
PROTECT
CONT
Q805
PROTECT
SWITCH
Q806
PROTECT
SWITCH
Q813
6
7
IC303 (2/2)
7
5
1
3
1
3
IC306
IC303 (1/2)
MIX
JK691
PHONES
R CH
R CH
L
R
RY2
RY1
L
R
JK303
M961
(FAN)
SPEAKER
JK302
SUB
WOOFER
OUT
OVER LOAD
DETECT
Q501
POWER AMP
IC503
1
2
12
6
7
MUTE
Q513
15
14
10
11
D518
OVER LOAD
DETECT
Q505, 506
RELAY
DRIVE
Q807,808
RELAY
DRIVE
Q814
SPEANA
Q307
P01
P22
G01
G12
FLOURESCENT
INDICATOR TUBE
SYSTEM CONTROL
IC601(3/3)
VF
VF
FUCTION
KEY
VR ENCODER A
8
VR ENCODER B
7
REMOCON IN
27
VR601
VOLUME
ENCODER
X601
32.768kHz
FLD601
41
30
KEY INPUT 1
24
12 XT1
13
PROTECTOR SENSOR
84
HEADPHONE SENSOR
FUCTION
KEY
KEY INPUT 0
23
S621-626
FUCTION
KEY
KEY INPUT 2
25
S611-620
PWR/DISP SW
26
REMOTE
CONTROL
RECEIVER
RM601
T911
POWER
TRANSFORMER
(MAIN)
RELAY
DRIVE
Q901
RY901
VF
VF
RESET
1
3
IC602
D616
D615
S631-638
1
77
PWR LED
LED616
92
GAME MIX LED
LED615
91
GAME LED
LED611
85
TAPE LED
LED612
RECT
D541
+B
-B
POWER
AMP
-30V REG
Q911
D902-905
+5.6V
REG
1
3
IC901
T901
POWER
TRANSFORMER
(SUB)
BU +5.6V
42
45
47
.
50
52
.
65
VACS
20
SPEANA IN L
21
S601
S602
DISPLAY
VOLUME
87
TUNER LED
LED614
86
CD LED
LED610
BU+5.6V
+5.6V
51
VPP
15 CF1
16
CF101
10MHz
XT2
CF2
D911
-30V
D542
D543
+12V
REG
3
1
IC802
+12V
+12V
UNREG
D801-804
+5.6V
REG
3
1
IC803
+5.6V
Q802
Q801
+5V
REG
3
1
IC804
CD +5V
+9V
REG
3
1
IC801
M +9V
CD +7V
D805-808
D809
D810
P.S. RELAY
2
Q601
PWR DOWN 28
RESET 11
EVER +5.6V
T101
?/1
Q582,583
OVER HEAT
DETECTOR
+B
TH501
Q584
FAN SW
FAN
DRIVE
Q803
AC
IN
BUFFER
LPF
CN304
SUB
WOOFER
CONTROL
22
22
HCD-GX40
5-3. Printed Wiring Boards – CD Section (1/2) –
• See page 19 for Circuit Boards Location.
Ref. No.
Location
D731
D-8
D732
F-4
IC731
D-5
IC751
D-3
IC781
F-7
Q731
F-7
Q771
E-2
Q772
F-2
Q774
F-3
Q775
E-7
• Semiconductor
Location
IC731
IC781
IC751
CD BOARD
SPDL BOARD
A
TO
PANEL
BOARD
CN602
(Page 30)
G
TO
DRIVER
BOARD
CN701
(Page 23)
B
TO
MAIN BOARD
CN704
(Page 25)
1-684-306-
11
(11)
1-684-307-
11
(11)
OPTICAL
PPICK-UP
BLOCK
(KSM-213D)
1
1
16
16
17
17
32
32
33
33
48
48
49
49
64
64
E
E
1
1
6
14
15
28
M
M
(SPINDLE)
(LIMIT)
(SLED)
E
E
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
10
11
12
Ver 1.2  2003.11
23
23
HCD-GX40
5-4. Printed Wiring Boards – CD Section (2/2) –
• See page 19 for Circuit Boards Location.
1
2
A
B
C
D
E
F
G
3
4
5
6
IC711
IC701
14
14
14
14
14
14
(Page 22)
CN735
G
CD
4
C712
24
24
HCD-GX40
5-5. Schematic Diagram – CD Section –
• See page 35,36,37 for IC Block Diagrams. • See page 19 for Waveforms.
4.9
1.6
4.2
0.7
0
0.8
0.8
0.6
0.6
0
0.2
0
4.1
0.1
0.1
7.7
7.7
0
0
0.1
1.2
1
No mark:CD
CN01
CN732
MM1469XH
IC781
CN731
IC731
LA9242M
IC751
LC78622NE
CN734
CN733
CN722
CN711
CN702
CN721
CN735
CN701
/
OPTICAL PICK-UP
BLOCK
(KSM-213D)
SPDL 
BOARD
LD DRIVER
IC731
FOCUS/TRACKING/SLED/
SPINDLE SERVO,RF AMP
IC701
MOTOR
DRIVER
IC711
TABLE SENSOR
IC781
FCS/TRK COIL,
SL/SP MOTOR
DRIVER
IC751
DIGITAL SIGNAL
PROCESSOR
SWITCH
MUTE
MUTE
TO
PANEL BOARD 
CN602
A
(Page 31)
TO
MAIN BOARD (1/4) 
CN704
B
(Page 26)
(TURN)
(OPEN/CLOSE)
(UP/DOWN)
SG-264
SWITCH
(           )
(      )
(       )
MOTOR BOARD
ADDRESS SENSOR BOARD
DRIVER BOARD
CD BOARD
50V
IC B/D
IC B/D
IC B/D
IC B/D
Ver 1.2  2003.11
25
25
HCD-GX40
5-6. Printed Wiring Board – MAIN Section –
• See page 19 for Circuit Boards Location.
IC101
IC102
IC802
IC803
IC801
IC804
IC301
IC202
IC303
IC306
IC201
MAIN BOARD
E
TO
PANEL BOARD
CN691
(Page 30)
H
TO
AMPLIFIER
BOARD
CN509
(Page 34)
C
TO
PANEL
BOARD
CN601
(Page 30)
B
TO
CD BOARD
CN734
(Page 22)
FE101
1
8
JK103
JK303
SPEAKER
FM 75
ANTENNA
L
R
+
-
+
-
SUB WOOFER
OUT
DECK B
1-684-304-
11
(11)
F
TO
POWER BOARD
CN502
(Page 32)
D
TO
POWER BOARD
CN503
(Page 32)
DECK A
TAPE
DECK
E
E
E
E
E
E
E
E
E
E
E
E
JW399
JW398
1
1
3
1
3
1
3
13
1
13
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
E
1
30
E
E
E
E
1
1
7
1
3
E
E
E
E
E
E
1
11
12
22
E
3
E
E
E
1
1
14
15
28
13
E
E
E
7
1
1
1
10 11
20
21
30
31
40
3
E
AM
8
5
1
4
D311
C816
Q814
R401
JK302
SUB WOOFER
CONTROL
CN304
M961
(FAN)
1
2
A
B
C
D
E
F
G
3
4
5
6
7
8
9
Ref. No.
Location
• Semiconductor Location
Ref. No.
Location
D105
B-6
D111
D-9
D112
D-9
D201
F-4
D250
B-3
D251
A-3
D252
D-3
D253
D-4
D254
D-3
D255
D-3
D256
D-2
D257
A-3
D304
C-5
D309
E-8
D310
A-2
D311
E-7
D312
A-2
D313
A-2
D315
E-6
D801
F-7
D802
E-7
D803
E-7
D804
F-7
D805
E-8
D806
E-8
D807
F-8
D808
E-8
D809
E-5
D810
E-5
D811
F-5
D814
E-8
D815
E-8
D816
D-7
IC101
C-8
IC102
A-7
IC103
D-7
IC201
E-4
IC202
D-3
IC301
C-5
IC303
B-4
IC306
B-5
IC801
F-4
IC802
F-5
IC803
F-5
IC804
B-6
Q101
C-7
Q102
A-8
Q105
B-7
Q106
B-7
Q107
D-7
Q201
E-3
Q202
E-3
Q203
F-3
Q204
F-3
Q205
F-3
Q206
F-4
Q207
F-4
Q208
F-4
Q209
F-3
Q220
A-4
Q221
A-3
Q222
D-4
Q223
D-3
Q224
D-4
Q225
D-4
Q226
D-4
Q227
D-4
Q228
C-3
Q229
A-4
Q305
D-5
Q306
D-5
Q307
C-3
Q308
B-3
Q311
C-4
Q312
C-4
Q313
E-6
Q314
E-5
Q315
G-5
Q316
G-5
Q317
B-3
Q318
B-2
Q319
C-3
Q320
B-3
Q321
B-3
Q322
C-3
Q328
C-3
Q329
C-3
Q330
E-7
Q331
D-7
Q332
D-7
Q333
C-2
Q801
C-6
Q802
C-6
Q803
E-8
Q805
D-8
Q806
D-8
Q807
E-8
Q808
E-8
Q809
E-8
Q810
E-8
Q813
D-8
Q814
E-8

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