Main Section - Sony hcd-grx40av Service Manual

HCD-GRX40AV/RXD6AV
Q Q
3 7 6 3 1 5 1 5 0

MAIN SECTION

CD L
B
CD
SECTION
JK301
(Page 19)
L
MD/VIDEO
R R CH
DECK A
HP901
PB
HEAD
R CH R CH
DECK B
HRP901
REC/PB
HEAD
R CH
L201
BIAS OSC
R CH
HE901
ERASE
Q251
HEAD
BIAS
OSC
Q203, 205 Q201
Q252,253
PLAY/REC PLAY/REC
CONTROL CONTROL
BIAS
SWITCH
Q207 Q207
PLAY/REC
CONTROL
DRIVE
Q208,209
D202 D201
MUTE
T E
L 1 3 9 4 2 2 9 6 5 1 3
TU L
A
ST IND
TU MUTE
TUNER
SECTION DO
(Page 19)
DATA IN
SCOR
SENS1
SQSO
SENS2
C
XLAT
SQCK
CD
CLK
SECTION
(Page 19)
DATA
LOCK
DI
CLK
CE
STB
11 21 25 27 12 24 13 22 20 43 23 42 4
16
39 40
X601
10MHz
w w w
LINE AMP
IC301
11 CD (L)
REC/PB
EQ AMP
IC201
14 MD (L)
3 L OUT 6
PB OUT
1
5 13 TAPE (L) Q303
MUX OUT 15 AMP
12 TUNER (L)
1 SDA
TAPE A/B
A/B 19
30 SCL
2 IN L 16
REC OUT
11
9
10 Q213
MUTE
+12V
BUS REGISTER
6
IC602
13
REC MUTE
11 A/B PLAY 4
AMS
12 BIAS
Q210,211
14 REC
SOL A 5
10 Q'S
1 STB
DI
2 DI SOL B 6
CLK
3 CLK
SHIFT REGISTER
IC603
CLK
2 CK B REC FWD 3
B REC REV 4
1 S/L
PHOTO A 5
PHOTO B 6
9 QH
A MODE SW 11
B MODE SW 12
A HALF 13
B HALF 14
26 62 28 37 17 15 10 9
SYSTEM CONTROLLER/
FLD DRIVER
IC601
52 53 54 55 46 47 50 51 48 49
A B A B
S01 S02 S03 S04
VR601 VR602
VOLUME CD ENCODER CD DECK TRAY DISC TURNTABLE
UP/DOWN OPEN/CLOSE COUNTER OPERATION
x a o
. i
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R CH
DBFB
D419
Q301
Q407
MUTE
IC305 IC306
DBFB
Q411
Q308 Q310
DOLBY PROLOGIC
SURROUND DECODER
IC302
IC303B
57
L IN C VOL 3
Q312
1 L OUT
R CH
IC304
D418 DATA
14 DATA
IC303A
DET SCK
15 S VOL
SCK 8
16 REQ Q313
MECHA
Q608,611 BLOCK
M+12V
SWITCH
Q610,613
SOL A
DRIVE
Q609,612
SOL B
DRIVE
SFR501
MOTOR H/L
Q Q
3 7
LED DRIVE
IC701
C MUT 16
R MUT 15
LED706-713
DI 14
.
2
13
CLK
.
3
5
SPEANA
9
Q701,702
4 LED704
12
LED
DRIVE
11
33 34 35 36 32 61 57 58 16 19
KI0 KI2
29 31 38 6
RM601
Q602
Q601
KEY
REMOTE
RESET POWER
MATRIX
CONTROL
SWITCH DOWN DET
RECEIVER
S701-714
S718-728
S731-736
VCC
u 1 6 3
VCC
y
20 20
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2 4
8 9 9
IC502
14 7
Q513
MUTE Q512
OVER LOAD
DETCTER
IC501
10 6
Q503
Q314
OVER LOAD
MUTE DETCTER
IC501
14 7
Q515
Q315
OVER LOAD
+VCC1
MUTE DET SWITCH
Q516
OVER
HEAT
R CH
Q317
IC304
BUFFER
Q318
MUTE
Q504 Q505
IC503
D305
D306
OVER LOAD OVER LOAD
1
DETCTER DETCTER
PROTECT
DET
2
D515
6 3 1 5 1 5 0 8 9
Q603,604 Q510
D417
MUTE
SWITCH
SWITCH
D516
Q509
D510
AC OFF
DET
+VCC1
LED DRIVE
IC702
LED705
-VCC1
LED714-718
DI
2
15
CLK
3 11
-27V
Q703-708
4 LED701-703
-12V
5 LED
+12V
DRIVE
9
AU +12V
SWITCH
CD +7.5V
18 63 64 60
+5.6V
D602
µCON B+
D601
CD +5V
TU +5V SITCHING
P1 P24 G1 G13
2 1 . 100 90 .
8 65 88
2
FLD601
m
FLD DISPLAY
3
c o
.
2
8 9 9
R CH
JK403
+12V
PHONES
MUTE
JK301
Q419
L
MD/VIDEO
R CH
R
JK401
RL401
SPEAKER
JK402
RL402
L
REAR
R
CENTER
Q508
FAN
FAN
DRIVE
Q305,517
FAN
CONTROL
JK303
SUB WOOFER
Q412 Q415
RELAY
6 PROTECTOR
DRIVE
Q414
4
RELAY
DRIVE
Q413
SWITCH
2 4 9 8 2 9 9
D403
T001
RECT
Q406
-27V
REG
Q403 AC
D501-504
IN
-12V
Q501
REG
RECT
+12V
REG
Q405
+7.5V
Q502 AC4.8V
+7.5V
AC4.8V
REG
Q401
+5.6V
REG
• RCH is omitted
Q103
• Signal Path
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
: FM
: CD
: MD