Block Diagram -Main Section - Sony HCD-GX750 Service Manual

HCD-GX750/RG551/RX550
Q Q
3 7 6 3 1 5 1 5 0
5-3. BLOCK DIAGRAM — MAIN SECTION —
MP3-STB
CD
B
CD-L
SECTION
(Page 27) CD-R R-CH
TM901
TUNER
TUNER-L
TUNER-R
TUNED
STEREO
TU-MUTE
J804
VIDEO
GAME INPUT
L
AUDIO
R
R-CH
T E J803
L 1 3 9 4 2 2 9 6 5 1 3
VIDEO OUT
DECK-A
HP2 L
HP1 R R-CH
DECK-B
HRP2 L
HRP1 R
R-CH
HE1
TAPE
MECHANISM DECK
REC(FWD)
B MODE
REC(REW)
A MODE
B HALF
A HALF
A-PHOTO
B-PHOTO
CAPM+
B SOL
w w w
A SOL
SOUND PROCESSOR
IC101
1 CDL VOUT1
33
VOUT2 32 R-CH
MUTE
Q306
MUTE
CONTROL
CD-MUTE
Q304,305
61 TUNER_L
R-CH
DO SW OUT 25
DO
DI
DI
CLK
CLK
BUFFER
CE
BBNF1 34
CE Q106
TUNED
BBIN1 35
STEREO
DATA
19 SI
BBNF2 31
RCLK
18 SO BBIN2 30 BUFFER
Q107
59 GAME-L
SAOUT2 55
9 TAPEA1
BUFFER
11 TAPEB1
Q327
ASMOUT 40
15 REC-OUT1
STK MUTE
AC4 CONTROL
Q309,313
STK MUTE
CONTROL
Q308
SP DRIVER
IC371
11 Q5
12 Q6
Q324
+9V
L101
BIAS
7 Q1
OSC
Q321
9 REC SW SWITCH
CONT 4 6 Q0
Q322,323
P/B SW
7
SELECTOR
CD-MUTE
10 Q4
IC201
FRONT SP RELAY 17 Q11
LM-R
DATA 3
13 Q7
LM-F
CLOCK 4
14 Q8
TM-R LCH 5
15 Q9
TM-F
16 Q10
MOTOR
CAP M DRIVE
Q601
B TRIP DRIVE SOL-B
Q602
A TRIP DRIVE SOL-A
Q603
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BUFFER
IC102
MUTE
Q103
MUTE
MUTE
CONTROL
Q108
Q101,102
BUFFER
IC104
1
5
SP R-CH
SWITCH
+Vcc
Q105
DEF
Q303
SWITCH
Q351,Q352
SYSTEM CONTORLLER
Q Q
IC601(1/2)
3 7 6 3
24 I-STREEMA/VACS
STK
WFR/HP/MIC 19
75 SYSTEM-MUTE
69 AMS PROTECT 18
CD NUM SENSOR
73
CD-OPEN/CLOSE 21
CD ENCORDER 20
RCLK
88
CLK
DATA
DATA
91
TUNED
67 TUNED
STEREO
68 STEREO
DI
DI
83
CE
84 CE
SO DO
85 DO
CLK
86 CLK
LCH
87 LCH
23 TAPE B START+
22
TAPE A START+
70 I-REEL-A
71 I-REEL-B
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28 28
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2 4
8 9 9
GX750/RX550
RG551
POWER AMP
IC441
OVERLOAD DET
Q481,482
STK MUTE
GX750/RX550:Q489-491
RG551:Q489 OVERLOAD DET
Q441,442
RELAY DRIVE
Q485-488
Q483,Q484
AC3
OVERHEAT
DET
TH441
FRONT SP RELAY
1 5 1 5 0 8 9 2
INVERTER
Q371
SW ON/OFF
SUB WOOFER
C
SW OUT
SECTION
SW LIMITER
(Page 30)
TBL ADDRESS SENS
OPEN SW
E-1
E-2
CD
D
E-3
SECTION
LM-R
LM-R (Page 27)
LM-F
LM-F
TM-R
TM-R
TM-F
TM-F
VIDEO BUFFER
IC602
11 MP3 STB
DO
3 DATA
SO
18 SO
CLK
4 CLK
LCH
5 LCK
SOL-A
6 SOL-A
SOL-B
7 SOL-B
MOTOR
8 MOTOR
10 WIRELESS
m
c o
LED602
WIRELESS
GX750
M+9V
2
8 9 9
OVERLOAD/DC
SUB WOOFER
E
SECTION
RELAY-
(Page 30)
JK441
RY441
L
SPEAKER
R
R-CH
RELAY+B
R-CH
J801
PHONES
FAN901
FAN
DRIVE
Q310-Q312
4 9 8 2 9 9
• R-CH is omitted due to same as L-CH.
• Signal Path
: TUNER
: CD
: PB(DECK A)
: PB(DECK B)
: REC(DECK B)
: AUDIO