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

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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
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