Main Section - Sony HCD-GX450 Service Manual

– MAIN SECTION –
CD-L
BD/DRIVER
B
CD-R
SECTION
R-CH
Q304-Q307
CD-MUTE
TUNER
TUNER-L
TUNER-R R-CH
DO
DI
CLK
CLK
CE
TUNED
TUNED
STEREO
STEREO
TU-MUTE
J804
VIDEO
GAME INPUT L
R R-CH
J803
VIDEO OUT VIDEO
DECK-A
HP2 L
HP1 R R-CH
DECK-B
HRP2 L
HRP1 R
R-CH
HE1
9 REC SW
CONT
7 P/B SW
IC201
SELECTOR
TAPE
MECHANISM DECK
PWDEWC B
MODE B
MODE A
B HALF
A HALF
A-PHOTO
B-PHOTO
COMP
SOLB
SOLA
IC101
IC102
SOUND PROCESSOR
BUFFER
1 CDL VOUT2 32
VOUT1 33 R-CH
SWITCH
61 TUNER_L
DO SW OUT 25
DI
Q106
CE
BBNF1 34 BUFFER
BBIN1 35
DATA
19 SI
BBNF2 31
RCLK
Q107
18 SO BBNF2 30
BUFFER
Q351,Q352
59 GAME-L
SAOUT2 55
SAOUT1 56 SWITCH
9 TAPEA1
Q327
11 TAPEB1
BUFFER
ASMOUT 40
15 REC-OUT1
Q308,Q309
Q313
SWITCH STK
IC371
SP DRIVER
11 Q5
12 Q6
Q324
+9V
L101
Q321
BIAS
7 Q1
OSC
Q322,Q323
4 SWITCH 6 Q0
CD-MUTE 10 Q4
FAN
17 Q11
LM-R
13 Q7
LM-F
14 Q8 DATA 3
TM-R
15 Q9 CLOCK 4
TM-F
16 Q10 LCH 5
Q601
CAP M
DRIVE
Q602
B TRIG
DRIVE
Q603
A TRIG
DRIVE
MUTE
Q101-Q104
IC104
BUFFER
5 1
Q105
+Vcc
SWITCH
Q303
DEF
IC601(2/2)
SYSTEM CONTORLLER
24 I-STREEMA/VACS
75 SYSTEM-MUTE WFR/HP/MIC 19
69 ASM PROTECT 18
SENSOR 73
CD-OPEN/CLOSE 21
RCLK
88
CLK
CD ENCORDER 20
DATA
91 DATA
LM-R
TUNED
67 TUNED
STEREO LM-F
68 STEREO
TM-R
TM-F
DI
83 DI
CE
84 CE
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
MOTOR
2 MOTOR
SOLB
3 SOLB
SOLA
4 SOLA
23 23
+10V
IC441
POWER AMP
4
11
Q481,Q482
5
OVERLOAD
13 R-CH
DET
Q441,Q442
Q489
STK MUTE
OVERLOAD
DET
Q485-Q488
RELAY
DRIVE
Q108
SWITCH
Q483,Q484 Q308,
Q309,Q313
OVERHEAT
-VFL DET SWITCH
TH441
AC4
Q371
INVERTER CN306
SW ON/OFF
SUB-WOOFER
C
SW OUT
SECTION
SW LIMITER
CN201
CD NO SENS
BD/DRIVER
D
CD OPEN/CLOSE
SECTION
CD ENCORDER
IC602
VIDEO BUFFER
DO
3 DATA
18 SO
CLK
4 CLK
LCH
5 LCK
SOL-A
6 SOL-A
SOL-B
7 SOL-B
MOTOR
8 MOTOR
HCD-GX450
CN443
GND
OVERLOAD/DC
SUB-WOOFER
E
SECTION
RELAY+
RELAY-
JK441
RY441
L
SPEAKER
R
R-CH
+B
J801
PHONES
Q310-Q312 FAN
FAN
FAN
DRIVE
• R-CH is omitted due to same as L-CH
• Signal Path
: TUNER
: CD
: PB(DECK A)
: PB(DECK B)
: REC(DECK B)
: AUDIO