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17
17
HCD-EP315
6-1. Block Diagram
: TUNER (FM)
: CD
• Signal Path
• RCH is omitted due to same as L-CH.
: MD
: PB (TAPE)
: REC (TAPE)
R-CH
+VM
ERASE
HEAD
REC/PB
HEAD
DECK BLOCK
REC/PB
SWITCH
SYSTEM CONTROLLER
IC301
L
R
MD
J201
MUTE CONT
Q403
J202
PHONES
R CH
L
R
FUCTION
KEY
IC303
S302,304,306
S308,310-312
LED302-307
(BACK RIGHT)
TUNER UNIT
L-CH
R-CH
R-CH
D OUT
D IN
CLK
CE
TUNED
R-CH
Q504-511
L451
BIAS
Q450,451
MECHA BLOCK
MOTOR
DRIVE
Q501,502
X301
32.768kHz
X302
8.64MHz
MUTE
Q401
Q601
FUCTION
KEY
S301,303,305,307
S309,313,314
RESET
SWITCH
Q302
IC302
D901-904
RELAY
DRIVE
AC
IN
PT902
SUB TRANS
POWER
CONTROL
Q404,405
Q200
RY901
REG
Q701
+10V
+VM
PB/REC EQ AMP
IC601
R-CH
STEREO
MUTE
R-CH
DECK
MOTOR
OPEN
CLOSE
CD OPEN/CLOSE
POWER AMP
IC204
R CH
J203
SPEAKER
LIQUID CRYSTAL
DISPLAY
LCD301
VOL
ENCODER
S315
+5V
REG
Q303,304
µ
CON +B
VM
D301
LINE
FILTER
L901
V ECO
PT901
POWER
TRANS
+7V
REG
Q402
CD +7V
IC200
+VM
AC
DET
Q206
HOLD
Q205
OPTICAL PICK-UP
BLOCK
(KSM-213EDP)
A
B
C
D
E
F
VC
+5V
LD
TRACKING
COIL
Q101
RF AMP
IC103
MOTOR/COIL DRIVE
IC102
M
M101
SLED
MOTOR
M
M102
SPINDLE
MOTOR
T+
DIGITAL SERVO
IC101
R-CH
S101
LIMIT
IN SW
X101
16.9344MHz
+3.3V
REG
Q102,D101
+3.3V
+5.5V
M
REC
PLAY
DECK
POWER
BIAS
OSC
Q453
Q454
P CONT
Q702
LED
DRIVE
Q301
LED
DRIVE
Q306
LED301
ECO LED
D306
D305
6
D211
3
1
IC800
D201-204
IC601 VSS
D213
D212
D206
D205
POWER AMP
VCC
+5.5V
REG
Q406
CD +5.5V
V ECO
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
Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299