Block Diagram - Sony HCD-EP313 Service Manual

6-1. Block Diagram

J201
L
MD
R R-CH
TUNER UNIT
REG
+10V
+VM
Q701
P CONT
Q702
L-CH
R-CH R-CH
D OUT
D IN
CLK
CE
TUNED
STEREO
MUTE
DECK BLOCK
R-CH
REC/PB
HEAD
L451
BIAS
R-CH
BIAS
OSC
Q453
ERASE
Q454
HEAD
Q450,451
MECHA BLOCK
REC
PLAY
DECK
Q501,502
POWER
MOTOR
DRIVE
DECK
M
MOTOR
OPTICAL PICK-UP
BLOCK
RF AMP
(KSM-213EDP)
IC103
VC
27 VC
RFAC
+5V
A
6 A RFDCO
B
7 B
C
8 C
D
9 D
E
10 E
F
F
11
Q101
LD LD
1 LD RFDCI
DRIVE
GND
PD
2 PD
VR
MOTOR/COIL DRIVE
IC102
F+
13 CH1RO CH1RI
FOCUS
COIL
F-
14 CH1FO CH1FI
T-
11 CH2RO CH2RI
TRACKING
COIL
T+
CH2FO CH2FI
12
18 CH3RO CH3RI
M101
M
SLED
MOTOR
17 CH3FO CH3FI
16 CH4RO CH4INS
M102
SPINDLE M
MOTOR
15 CH4FO MUTE
CD OPEN/CLOSE
OPEN
CLOSE
19
23
2
21
Q504-511
REC/PB
SWITCH
+VM
DIGITAL SERVO
IC101
15 51 RFAC L OUT 72
28 43 RFDC R OUT 75 R-CH
DATA 5
FE 16 39 FE
CLOK 7
TE 41 TE
18
XLAT 6
SE
40
SQCK 2
FEI 17
SCLK 9
29
SCOR 20
SQSO
1
SENS
8
SW 12
S101
SSTP 27
LIMIT
IN SW
XTAI 66
3 32 FFDR
X101
16.9344MHz
XTAO
67
2 33 FRDR
6 30 TFDR
TRDR
5 31
+3.3V
23 29 SRDR
24 28 SFDR
XRST 3
25 26 MDP
20
PB/REC EQ AMP
IC601
AUX L OUT L
18
µ CON
TU L OUT R R-CH
16
IC301
TAPE L
CONT
13
CD L DSG 22
REC OUT
28
MUTE CONT
MUTE 14
71 TU ON AMP STBY 48
75 IFC 24
79 DATA SEG0 38
.
78 PLL CLK SEG20 41
27 46
PLL CE
76
TUNED
COM0 61
74 STEREO
COM2 63
49 TU MUTE
S302,304,306
S308,310-312
KEY1 17
S301,303,305,307
S309,313,314
KEY2 16
6 XT1
X301
32.768kHz
7 XT2
VOL ENC 13
19 X IN
X302
Q306
8.64MHz
LED
10 X OUT STBY LED 56
DRIVE
53 BIAS
Q301
50 DECK1
LED
BK LED 55
DRIVE
58 DECK3
51
DECK2
52 MOTOR
RMC
23
Q302
RESET
RESET 5
SWITCH
POWER DOWN 59
80 CD DATA
1 CD CLK
70 LATCH
72 C SQCK
20 SCOR
2
SQSO
73 SENS
HOLD 12
Q102,D101
+3.3V
+5.5V
REG
71
CD ON
69 XRST
POWER 21
3 PWM1
65 PWM2
68
PWM3
4 LDON
18 T SW
17 17
R CH
IC800
3 1
MUTE
Q401
POWER AMP
Q601
IC204
4 L IN L OUT + 8
Q403 L OUT -
9
5 STBY
MUTE
LCD301 R CH
6
LIQUID CRYSTAL
DISPLAY
D211
• RCH is omitted due to same as L-CH.
• Signal Path
FUCTION
KEY
FUCTION
KEY
S315
VOL
ENCODER
LED301
ECO LED
LED302-307
(BACK RIGHT)
µCON +B
IC303
REMOTE D305
1 CONTROL 3
RECEIVER
IC302 Q303,304
D301 D306
+5V
1 RESET 2 VM
REG
V ECO
Q205 Q206
D213
AC
HOLD
DET
D212
D206
D205
POWER AMP
VCC PT901
POWER
D201-204 TRANS
IC200
+VM
+VM
REG
Q402
+7V
CD +7V
REG
Q406
+5.5V
CD +5.5V
REG
IC601 VSS
Q404,405
POWER
CONTROL
Q200 RY901
RELAY
DRIVE
PT902
D901-904 SUB TRANS
V ECO
HCD-EP313
J202
PHONES
L
J203
SPEAKER
R
: FM
: CD
: MD
: PB (TAPE)
: REC (TAPE)
L901
LINE AC
FILTER IN