Block Diagram - Main Section - Sony HCD-EP515 Service Manual

HCD-EP515
Q Q
6-2. Block Diagram – Main Section –
3 7 6 3 1 5 1 5 0
J303
L
MD
R-CH
R
TUNER PACK
+5V
+5V
L-CH
R-CH R-CH
D OUT
D IN
CLK
CE
TUNED
STEREO
MUTE
R DATA
R INT
DECK
L-CH
REC/PB
HEAD
R-CH R-CH
T301
BIAS OSC
BIAS
ERASE
OSC
HEAD
Q307
Q308
Q309
T E
L 1 3 9 4 2 2 9 6 5 1 3
MECHANISM BLOCK
SW1
PLAY
SW2
R REC
SW3
F REC
SW4
Q809
PACK
SW5
T END
Q323,325
MOTOR
DRIVE
M1
DECK
Q321,322
MOTOR
T SOL
DRIVE
L OUT1
A
L OUT2
R-CH
CD SECTION
w w w
CD OPEN/CLOSE
S800
(OPEN)
PB/REC EQ AMP
IC302
19 AUX L OUT L 18
23 TU L OUT R 16 R-CH
2 TAPE L
CONT
13
CD L
21
REC OUT
28
Q326-332
REC/PB
SWITCH
X801
32.768kHz
X802
8.64MHz
+10V
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y
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IC303
POWER
2 14
AMP
12
SYSTEM CONTROLLER
IC801 6 5
91 F DATA AMP MUTE 99
AMP STBY 97
LCD801
FLUORESCENT
DISPLAY
3 TU DO
4 TU DI 45
5 TU CLK SEG1 53
.
6 56
TU CE SEG33
79
87 TU TUNED
38 TU STEREO
83
COM0
1 TU MUTE
COM3 86
7 RDS DATA
S801-809
26 RDS CLK
FUCTION
KEY0 19
KEY
S810-817
FUCTION
KEY1
20
KEY
RV801
VOL
VOL ENCODER 22
ENCODER
30 TA REC/PB
MD LED 2
D802-806
12 XT1 Q801-805
TA LED 41
LED
TU LED 42
DRIVE
13 XT2
CD LED 43
D701-703
ST/BY 40
15
CF1 (BACK RIGHT)
Q808
LED
16 CF2 BL ON 96
DRIVE
98 TA BIAS Q Q
3 7 6
IC802
REMOTE
TA PLAY SW
39
RMC 29 1 CONTROL 3
RECEIVER
24
TA SW
D809
µCON +B
+5.6V (SUB)
D810
µCON +B
I POWER DOWN 23
Q806 IC803
8 TA END SW
D811
RESET
RESET 11 3 RESET 1
SWITCH
88
TA MOTOR
28 TA SOL
Q338 Q333
POWER AC
18
I POWER MONITOR
MONITER DET
CD ON 34
POWER ON 95
+5.6V( SUB)
u 1 6 3
94 CD OPEN
18 18
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2 4
8 9 9
R CH
J301
PHONES
L
J302
SPEAKER
R CH
R
• R-CH is omitted due to same as L-CH.
• Signal Path
: TUNER
: CD
: AUX
: PB (TAPE)
: REC (TAPE)
3 1 5 1 5 0 8 9 2
Q310
+5V
TU +5V
REG
Q305
IC302 +5V
+5V REG
T902
POWER AMP
Q339 POWER
VCC TRANSFORMER
+5V
+5V (MAIN)
D916-919
(MAIN) REG
IC305
D319-321
+10V
+10V
3 1
REG
D911-914
Q306
IC302 -5V
-5V REG
Q319
+7V
+7V +10V
REG
Q320
CD POWER
CONTROL
Q311 RY901
D317
RELAY
DRIVE
Q315
T901
POWER
POWER
CONTROL
TRANSFORMER
(SUB)
D907-910
m
Q312-314
+5.6V
REG
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.
2
8 9 9
4 9 8 2 9 9
LF901
LINE AC
FILTER IN