Main Section - Sony HCD-RG444 Service Manual

Q Q
– MAIN SECTION –
3 7 6 3 1 5 1 5 0
CD-L
BD/DRIVER
B
CD-R
SECTION
R-CH
TUNER
TUNER-L
TUNER-R
DO
DI
CLK
CE
TUNED
STEREO
RDS DATA
RDS INT
TU-MUTE
J804
VIDEO
GAME INPUT L
R R-CH
J803
VIDEO OUT VIDEO
T E
L 1 3 9 4 2 2 9 6 5 1 3
DECK-A
HP2 L
HP1 R R-CH
DECK-B
HRP2 L
HRP1 R
R-CH
HE1
TAPE
MECHANISM DECK
PWDEWC B
MODE B
MODE A
B HALF
A HALF
A-PHOTO
B-PHOTO
COMP
SOLB
SOLA
w w w
HCD-RG444
IC101
SOUND PROCESSOR
1 CDL VOUT2 32
VOUT1 33
R-CH
SWITCH
Q304-Q307
CD-MUTE
61 TUNER_L
R-CH
SW OUT 25
DO
DI
CLK
Q106
CE
BBNF1 34 BUFFER
TUNED
BBIN1 35
STEREO
DATA
RDS DATA 19 SI
BBNF2 31
RDS INT RCLK
18 SO BBNF2 30 Q107
BUFFER
59 GAME-L
SAOUT2 55
SAOUT1 56
9 TAPEA1
Q327
11 TAPEB1
BUFFER
15 REC-OUT1 ASMOUT 40
Q308,Q309
Q313
SWITCH STK
IC371
SP DRIVER
11 Q5
12 Q6
Q324
+9V
L101
Q321
BIAS
7 Q1
OSC
Q322,Q323
9 REC SW
CONT 4 SWITCH 6 Q0
7 P/B SW
CD-MUTE 10 Q4
IC201
FAN 17 Q11
SELECTOR
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
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IC102
BUFFER
MUTE
Q101-Q104
IC104
BUFFER
5 1
Q105
+Vcc
SWITCH
Q303
DEF
Q351,Q352
SWITCH
IC601(2/2)
SYSTEM CONTORLLER
Q Q
3 7 6
24 I-STREEMA/VACS
75 SYSTEM-MUTE WFR/HP/MIC 19
69 ASM PROTECT 18
RDS DATA
7
I-BU1924 DATA
RDS INT
8
I-BU1924 CLK
SENSOR 73
CD-OPEN/CLOSE 21
RCLK
88 CLK
CD ENCORDER 20
DATA
91
DATA
TUNED
67 TUNED
STEREO
68 STEREO
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
u 1 6 3
.
27 27
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2 4
8 9 9
IC441
POWER AMP
4
11
Q481,Q482
5
OVERLOAD
13 R-CH
DET
Q441,Q442
STK MUTE Q489
OVERLOAD
DET
Q485-Q488
RELAY
DRIVE
Q108
SWITCH
Q483,Q484 Q308,
Q309,Q313
OVERHEAT
-VFL DET
SWITCH
TH441
AC4
Q371
3 1 5 1 5 0 CN306 8 9 2
INVERTER
SW ON/OFF
SUB-WOOFER
C
SW OUT
SECTION
SW LIMITER
CN201
CD NO SENS
BD/DRIVER
D
CD OPEN/CLOSE
SECTION
CD ENCORDER
LM-R
LM-F
TM-R
TM-F
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
m
c o
HCD-RG444
2
8 9 9
CN443
GND
OVERLOAD/DC
E SUB-WOOFER
SECTION
+10V RELAY+
RELAY-
JK441
RY441
L
SPEAKER
R-CH R
+B
J801
PHONES
Q310-Q312
FAN
FAN
FAN
4 9 8 DRIVE 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