Sony HCD-GX40 Service Manual page 21

Q Q
MAIN Section
3 7 6 3 1 5 1 5 0
JK101 FE101
CF101
10.7MHz 10.7MHz
Q101
ANT IF
FM 8 1
IN OUT RF IF AMP
F OUT 3
G
VT 4
Q102
AM
B+
+12V
8
RB101 1 3 9 11
2
5
12
7 10
DECK A/B SELECT,
T E
L 1 3 9 4 2 2 9 6 5 1 3
PB/REC EQ AMP
DECK-A
32 AIN(L)
PB
HEAD
R-CH
DECK-B
34 BIN(L)
BIAS
21 REC-OUT(L)
TRAP
REC/PB
HEAD
L201
R-CH
R-CH
RECMUTE-ON/OFF
Q209
ERASE
BIAS
HEAD
OSC
Q207
+12V
Q208
BIAS
Q205
Q203
Q204
Q206
RECBIAS
• R-CH is omitted due to same as L-CH
• Signal Path
: FM
: CD
: PB (DECK A)
w w w
: PB (DECK B)
: REC (DECK B)
.
IC101
AM/FM IF MPX
CF102
1 FM-IN L-OUT 13
IC102
R-OUT 14 R-CH
PLL
FM 7 11 FM/AM
24
AM OSC 15 FM SD AM IF-IN 4
16
FM OSC IFT101
RV101
+12V AM MIX-OUT 2
FM TUNED
LEVEL
10 FA
T101
VCO STOP 9 12 VCO STOP
1 XIN
IF IN 12 10 IF-REQ FM-DET 8
X101
MUTE
4.5MHz IF REQ
8
22 XOUT
R DO
20 A OUT DO 6
R DI
DI 4
R CL
19 A IN CLK 5
R CE
18 PD CE 3
21 AM RF-IN
22 AFC
TUNED 6
STEREO 7
23 AM OSC
IC201
D105
PB-OUT(L) 26
REC-IN(L)
24
ALC(L) 23
78
79
R DO
96
R DI
95
R CL
97
R CE
93
Q229,220,221
EQOUT(L)
28 83
AMS
IC202
BUS/SHIFT REGISTER
10 TUNER MUTE
15 9 REC MUTE DI 26
MUTE-ON/OFF 14 12 TAPE MUTE CLK 3
A/B 4 85
13 8 A/B LATCH
Q224,225
SOL A 23
A SOL DRIVE
18 BIAS
Q222,223
SOL B 22
B SOL DRIVE
20 REC
Q226,227
MECHA VCC 24
M+B CONT
Q329
GAME GAIN1 6
Q333
GAME GAIN2 7
Q328
GAME MUTE
5
STK MUTE 19
SPK RELAY 17
CD CTL ON/OFF 21
x a o
y
Q228
i RESET 2
RESET
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8
IC306
IC303 (1/2)
MIX LPF BUFFER
R-CH
3 1 3 1 5 7
Q511,512
MUTE CONT
IC301
IC501
SOUND PROCESSOR
POWER AMP
CD-L
CD A
9 C1
SECTION 6
OUT1 17 1
2
7
Q315
5
A1
MUTE
12
Q105
MUTE
Q581
7 B1
MUTE
Q305
D315
4 SEL1
Q313,314 Q503,504
MUTE CONT MUTE CONT
1 VIN1
13 SC
14 SI
TH501
Q311
Q Q
3 7 6 3
IC601(2/3)
SYSTEM CONTROL
DATA 94
TUNER TUNED SYS 3
MUTE
TUNER STEREO
TAPE DECK
DATA DIN
TAPE A
DATA OUT 18 TAPE A HALF
STAT
CLK TAPE MODE SW A
TAPE B
CE 19 TAPE B HALF
STAT
TAPE MODE SW B
TAPE AMS
TAPE FWD REC SW B
TAPE PHOTO A 81 PHOTO SENSOR A
TAPE PHOTO B 82 PHOTO SENSOR B
LATCH
VOLUME
TAPE SOL A
TAPE SOL B
MOTOR SW VCC
JK681
Q319
L
BUFF
AUDIO
R-CH R
GAME INPUT
Q321
BUFF
VIDEO
JK602
Q317
VIDEO OUT
BUFF
u 1 6 3
.
21 21
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2 4
9 9 8
IC503
POWER AMP
6
1
2
7
10
15
14
11
Q814
RY1
RELAY
12
Q505, 506
DRIVE
OVER LOAD
DETECT
Q513
MUTE
D518
Q331
MUTE
RY2
Q501 D502 Q805 Q806 Q807,808
OVER LOAD PROTECT RELAY
PROTECT
CONT DRIVE
DETECT SWITCH
Q809,810
Q813
PROTECT
PROTECT
DETECT
SWITCH
Q330
+5.6V
+B
Q582,583
OVER HEAT
DETECTOR
Q584
FAN SW
IC601(3/3)
SYSTEM CONTROL
HEADPHONE SENSOR 77
FLD601
1 5 1 5 0 8 9 2 4
84 PROTECTOR SENSOR
FLOURESCENT
INDICATOR TUBE
IC303 (2/2)
6 7
20 VACS
VF VF
Q307
21 SPEANA IN L
G01 41
SPEANA
G12 30
S631-638 42
FUCTION 45
.
23 KEY INPUT 0
KEY
P01 47
P22 50
S621-626
.
52
FUCTION
24 KEY INPUT 1
KEY
65
S611-620 BU+5.6V
LED616
FUCTION
25 KEY INPUT 2
KEY
PWR LED 1
+5.6V
26 LED615
PWR/DISP SW
S602 S601
GAME MIX LED 92
DISPLAY ?/1
LED611
VR601 GAME LED 91
VR ENCODER A
VOLUME 8
LED612
ENCODER
7 VR ENCODER B
+12V
TAPE LED 85
RM601 LED614 +12V
UNREG
TUNER LED 87
REMOTE
REMOCON IN
CONTROL 27
LED610
RECEIVER
+5.6V
CD LED 86
15 CF1
CF101
10MHz
VPP 51
CD +5V
16 CF2
12 XT1
X601
32.768kHz
Q601
D809
13 XT2
D810
RESET 11
CD +7V
PWR DOWN 28
M +9V
P.S. RELAY
2
m BU +5.6V
IC602
D616
3 RESET 1
c o
D615
HCD-GX40
2
9 9
JK302
SUB
WOOFER
OUT
CN304
SUB
WOOFER
CONTROL
R CH
JK691
PHONES
L
R
JK303
SPEAKER
R CH L
R
Q803
M961
FAN
DRIVE (FAN)
9 8 2 9 9
T911
POWER
TRANSFORMER
(MAIN)
D911
Q911
-30V REG
-30V
POWER +B
RECT
AMP
D541
-B
IC802
+12V
1 3
REG
D543 D542
D801-804
IC803
+5.6V
1 3
REG
IC804
Q802
+5V
1 3
REG
Q801
D805-808
IC801
+9V
1 3
REG
VF
VF
T901
POWER
TRANSFORMER
(SUB)
D902-905
IC901
EVER +5.6V +5.6V
AC
3 1
REG IN
RY901
Q901
RELAY
DRIVE