![background image](http://html.mh-extra.com/html/sony/hcd-ep515/hcd-ep515_service-manual_420655018.webp)
18
18
HCD-EP515
6-2. Block Diagram – 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
DECK
SYSTEM CONTROLLER
IC801
L
R
MD
J303
J301
PHONES
R CH
L
R
FUCTION
KEY
IC802
S801-809
TUNER PACK
L-CH
R-CH
R-CH
D OUT
D IN
CLK
CE
TUNED
R-CH
REC/PB
SWITCH
Q326-332
T301
BIAS OSC
Q308
X801
32.768kHz
X802
8.64MHz
FUCTION
KEY
S810-817
VOL
ENCODER
RV801
RESET
SWITCH
Q806
IC803
D907-910
RELAY
DRIVE
AC
IN
CD POWER
CONTROL
Q320
Q311
RY901
+5V
PB/REC EQ AMP
IC302
R-CH
STEREO
MUTE
R DATA
R INT
R-CH
R-CH
L-CH
CD OPEN/CLOSE
R CH
J302
SPEAKER
FLUORESCENT
DISPLAY
LCD801
POWER
CONTROL
D810
µ
CON +B
+5.6V (SUB)
D811
Q315
LINE
FILTER
LF901
+7V
REG
Q319
+7V
IC302
+5V
+5V
Q309
IC303
D809
µ
CON +B
IC305
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
+5.6V( SUB)
Q809
MECHANISM BLOCK
SW1
PLAY
T SOL
DRIVE
Q321,322
MOTOR
DRIVE
Q323,325
SW2
R REC
SW3
F REC
SW4
PACK
SW5
T END
M
M1
DECK
MOTOR
LED
DRIVE
Q801-805
D802-806
LED
DRIVE
Q808
D701-703
(BACK RIGHT)
S800
(OPEN)
(MAIN)
+5V
+5V
REG
Q339
T902
POWER
(MAIN)
TRANSFORMER
T901
POWER
(SUB)
TRANSFORMER
w w w . x i a o y u 1 6 3 . c o m
Q Q 3 7 6 3 1 5 1 5 0
9
9
2
8
9
4
2
9
8
T E L
1 3 9 4 2 2 9 6 5 1 3
9
9
2
8
9
4
2
9
8
0
5
1
5
1
3
6
7
3
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299