Diagrams; Block Diagram - Cd Servo Section - Sony HCD-HPR90 - Receiver Component For Mini Hi-fi Systems Service Manual

6-1. BLOCK DIAGRAM – CD SERVO Section –
3.3V
DETECTOR (CD)
A
57
B
58 B
C
59 C
D
60 D
E
50 E
F
51 F
LASER DIODE
AUTOMATIC
POWER CONTROL 66 LD
Q321
PD
LD
67 PD
OPTICAL PICK-UP
BLOCK
(KSM-213DCP)
16 CH4OUTF
M401
M
(SPINDLE)
15 CH4OUTR
17 CH3OUTF
M402
M
(SLED)
18 CH3OUTR
2-AXIS
DEVICE
14 CH1OUTF
13 CH1OUTR
12 CH2OUTF
11 CH2OUTR
MUTE
HCD-HPR90/HPR99XM
SECTION 6

DIAGRAMS

A
AC_ EG_
64 65 RFACO 70 71 RFACI PCMD
SUM IN
BCK
LRCK
CD DSP
IC201
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED MOTOR DRIVE
IC402
CH4IN 24 27 OPOUT OPIN+ 2 38 MDP
CH3FIN 23 41 SFDR
CH3RIN 22 42 SRDR
CH1FIN 4 43 TFDR
CH1RIN 5 44 TRDR
CH2FIN 6 45 FFDR
CH2RIN 7 46 FRDR
SSTP
20 39
S201
(LIMIT)
3.3V
(CD)
AOUT1 112
3 4 PCMDI
AOUT2 117 R-CH
5 6 BCKI
1 2 LRCKI
FEO 55
TEO 53
TEI 52 SYSTEM CONTROLLER
IC1301 (1/4)
FEI 54
DATA 89 35 CD DATA
CLOK 11 37 CD CLK
XLAT 16 43 CD XLT
SENS 20 36 CD SENS
SCOR 26 19 CD SCOR
6 MP3 DATA IN
DATA2 12 5 MP3 DATA OUT
CLK2 90 7 MP3 CLK
XLAT-MP3 13 46 MP3 XLAT
REQ-MP3 14 45 MP3 REQ
IREQ-MP3 10 47 MP3 IREQ
DLM5B E0,
ACK-MP3 15 44 MP3 ACK
XTACN 7 49 CD XTACN
XRST 8 48 CD XRST
SW5 – SW8
50 CD DRIVER MUTE
DLM5B DISC SENS 22
109 108
X201
16.9344MHz
15 15
CD-L
A (Page 16)
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD PLAY
CD MECHANISM
DECK BLOCK
M1+
LOADING MOTOR
M1+ 41
M
DRIVE M1+
M1– 42
Q1610 – 1613
M2+
CAM GEAR MOTOR
M2+ 39
M
DRIVE M2+
M2– 40
Q1614 – 1617
E0, E1/SW2,
E1/SW2,
E2/SW1,
E2/SW1,
E3/SW3,
E3/SW3,
SW5 – SW8
COLLECTOR
B+ SWITCH
CDM +3.3V
ANODE
Q1618
STANDBY LED
D (Page 18)
HCD-HPR90/HPR99XM