Sony HCD-EP313 - Personal Component System, Service Manual

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17 17
HCD-EP313
6-1. Block Diagram
: 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
DATA 79
PLL CLK 78
PLL CE 27
µ
CON
IC301
IFC 75
L
R
MD
J201
MUTE CONT
Q403
J202
PHONES
R CH
L
R
FUCTION
KEY
REMOTE
CONTROL
RECEIVER
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
TUNED
76
Q504-511
L451
BIAS
Q450,451
MECHA BLOCK
MOTOR
DRIVE
Q501,502
BIAS
53
XT1 6
XT2 7
X301
32.768kHz
X IN 19
X OUT 10
X302
8.64MHz
MUTE
Q401
22 DSG Q601
23 RMC
FUCTION
KEY
S301,303,305,307
S309,313,314
16 KEY2
55 BK LED
3 1
RESET
SWITCH
Q302
5 RESET RESET
IC302
2 1
59
POWER DOWN
D901-904
RELAY
DRIVE
AC
IN
PT902
SUB TRANS
POWER
CONTROL
Q404,405
Q200 RY901
17 KEY1
REG
Q701
+10V +VM
PB/REC EQ AMP
IC601
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 49
STEREO 74 STEREO
MUTE
R-CH
DECK
MOTOR
DECK1
50
MOTOR 52
CD DATA
80
OPEN
CLOSE
CD OPEN/CLOSE
POWER AMP
IC204
R CH
J203
SPEAKER
SEG0
SEG20
61
63
COM0
COM2
LIQUID CRYSTAL
DISPLAY
LCD301
VOL
ENCODER
S315
13 VOL ENC
+5V
REG
Q303,304
µ
CON +B
VM
D301
LINE
FILTER
L901
V ECO
PT901
POWER
TRANS
+7V
REG
Q402
CD +7V
+VM
REG
IC200
+VM
AC
DET
Q206
HOLD
Q205
OPTICAL PICK-UP
BLOCK
(KSM-213EDP)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
Q101
RF AMP
IC103
VC 27
A
6
B 7
C 8
D 9
E 10
F 11
LD 1
PD 2
MOTOR/COIL DRIVE
IC102
CH1RO 13
CH1FO
14
CH2RO 11
CH2FO 12
CH3RO 18
CH3FO 17
M
M101
SLED
MOTOR
CH4RO 16
CH4FO 15
M
M102
SPINDLE
MOTOR
F+
F-
T-
T+
3 CH1RI
2
CH1FI
6 CH2RI
5
CH2FI
23 CH3RI
24
CH3FI
25 CH4INS
20
MUTE
MDP 26
SFDR 28
SRDR 29
TRDR 31
TFDR 30
FRDR
33
FFDR 32
DIGITAL SERVO
IC101
RFDC
43
17 FEI
28
RFDCO
16 FE
18
TE
29 RFDCI
12 SW
FE 39
TE 41
SE 40
72
L OUT
75
R OUT
5
DATA
R-CH
7 CLOK
6 XLAT
2
SQCK
9 SCLK
20 SCOR
1 SQSO
27
SSTP
66 XTAI
67 XTAO
3 XRST
S101
LIMIT
IN SW
X101
16.9344MHz
8
SENS
RFAC 51
15
RFAC
+3.3V
REG
Q102,D101
+3.3V +5.5V
M
REC
PLAY
DECK
POWER
BIAS
OSC
Q453
Q454
P CONT
Q702
TU ON 71
DECK3 58
DECK2 51
CD CLK 1
LATCH 70
C SQCK 72
SCOR 20
SQSO 2
SENS 73
XRST 69
PWM1
3
PWM2 65
PWM3 68
LDON 4
T SW
18
12 HOLD
71 CD ON
24
38
41
46
.
LED
DRIVE
Q301
56 STBY LED
LED
DRIVE
Q306
LED301
ECO LED
D306
D305
14 MUTE
48 AMP STBY
8 L OUT +
STBY 5
L IN 4
9 L OUT -
MUTE
6
D211
3 1
IC800
D201-204
IC601 VSS
D213
D212
D206
D205
POWER AMP
VCC
+5.5V
REG
Q406
CD +5.5V
21 POWER
V ECO