Sony HCD-EP414 - Main Section Block Diagram

1818
HCD-EP414
6-2. Block Diagrams – Main Section –
: TUNER
: CD
• Signal Path
: AUX
: PB (TAPE)
: REC (TAPE)
• R-CH is omitted due to same as L-CH.
BIAS
OSC
Q307
+10V
ERASE
HEAD
REC/PB
HEAD
TU DI
4
TU CLK
5
TU CE
6
SYSTEM CONTROLLER
IC801
TU DO
3
L
R
MD
J303
J301
PHONES
R CH
L
R
FUCTION
KEY
REMOTE
CONTROL
RECEIVER
IC802
S801-809
TUNER UNIT
L-CH
R-CH
R-CH
D OUT
D IN
CLK
CE
TUNED
R-CH
TU TUNED
87
REC/PB
SWITCH
Q326-332
T301
BIAS OSC
Q308
TA REC/PB
30
TA BIAS
98
TA SW
24
XT1
12
XT2
13
X801
32.768kHz
CF1
15
CF2
16
X802
8.64MHz
99
AMP MUTE
29
RMC
FUCTION
KEY
S810-817
20
KEY1
VOL
ENCODER
RV801
22
VOL ENCODER
31
RESET
SWITCH
Q806
11
RESET
RESET
IC803
13
23
I POWER DOWN
D907-910
RELAY
DRIVE
AC
IN
CD POWER
CONTROL
Q320
Q311 RY901
19
KEY0
34
CD ON
+5V
PB/REC EQ AMP
IC302
AUX L
19 18
OUT L
TU L
23
TAPE L
2
CD L
21
16
OUT R
R-CH
13
CONT
28
REC OUT
TU MUTE
1
RDS DATA
7
TU STEREO
38
STEREO
MUTE
R DATA
R INT
RDS CLK
26
R-CH
R-CH
L-CH
F DATA
91
TA PLAY SW
39
TA MOTOR
88
TA END SW
8
TA SOL
28
CD OPEN/CLOSE
94
CD OPEN
POWER
AMP
R CH
J302
SPEAKER
SEG1
SEG33
83
86
COM0
COM3
FLUORESCENT
DISPLAY
LCD801
POWER
CONTROL
D810
µCON +B
+5.6V (SUB)
D811
18
I POWER MONITOR
Q315
LINE
FILTER
LF901
+7V
REG
Q319
+7V
IC302
+5V
+5V
Q309
14
6 5
2
IC303
97
AMP STBY
12
D809
µCON +B
+10V
REG
IC305
13
D916-919
D911-914
+5V
REG
Q305
TU +5V
+5V
REG
Q310
+10V
D319-321
POWER AMP
VCC
AC
DET
Q333
IC302
-5V
-5V
REG
Q306
POWER
MONITER
Q338
+5.6V
REG
Q312-314
+10V
D317
95
POWER ON
+5.6V( SUB)
Q809
TAPE MECHANISM DECK
(CMAL1Z240A)
PLAY
T SOL
DRIVE
Q321,322
MOTOR
DRIVE
Q323,325
R REC
F REC
PACK
T END
M
DECK
MOTOR
45
53
56
79
.
40
ST/BY
96
BL ON
LED
DRIVE
Q805
D806
LED
DRIVE
Q808
D701-703
(BACK RIGHT)
R-CH
L OUT2
L OUT1
A
CD SECTION
S800
(OPEN)
(MAIN)
+5V
+5V
REG
Q339
T902
POWER
(MAIN)
TRANSFORMER
T901
POWER
(SUB)
TRANSFORMER
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