Diagrams; Block Diagram - Dvd Servo Section - Sony HCD-DH50R Service Manual

HCD-DH50R/DH70SWR
Ver. 1.1
SECTION 5

DIAGRAMS

5-1.

BLOCK DIAGRAM - DVD SERVO Section -

VOA/A
VOB/B
VOC/C
VOD/D
VOF/F+H
VOE/E+G
OPTICAL PICK-UP
BLOCK
(KHM-313CAB)
LIMIT
LD (780)
LD (650)
VR (650)
MSW
VR (780)
FCS+
FCS-
TRK+
TRK-
VCC
SL+
SP+
HCD-DH50R/DH70SWR
RF
VC
AUTOMATIC POWER
CONTROL (FOR CD)
Q2003 – 1
PD
AUTOMATIC POWER
CONTROL (FOR DVD)
Q2003 – 2
DVD ON
SWITCH
Q2001 – 2
Q2002
CD ON
SWITCH
Q2001 – 1
FOCUS/TRACKING COIL DRIVE,
SPINDLE/SLED/LOADING MOTOR DRIVE
IC3001
42
BUFFER
41
36
FOCUS COIL
DRIVE
37
35
TRACKING COIL
DRIVE
34
REGO2
31
REGO1 BUFFER
32
SL- 30
SLED MOTOR
29 DRIVE
27
SPINDLE MOTOR
SP- 28 DRIVE
46
BUFFER
47
M001 25 LOADING
M M
MOTOR DRIVE
(LOADING) 24
10 DVDRF IP
6 DVDA
7 DVDB
8 DVDC
9 DVDD
18 TPI
17 TNI
11 MA
12 MB
13 MC
14 MD
53 LIMITSW
28 V2O
22 LDO1
19 MDI1
20 MDI2
21 LDO2
RF AMP, SERVO DSP,
MPEG DECODER,
54 MSW
AUDIO PROCESSOR
IC2006 (1/2)
40 39 IOPMON
1 41 FOO
4 40 TRO
6
7
10 37 FMO
13 36 DMO
45 35 OP_INP
15 38 TROPENPWM
16 94 FWD
17 95 REV
PS 21
MUTE123 19 157 MUTE123
MUTE4 20 158 MUTE
TSD_M 22 130 TSD_M
VREF 43 29 V REFO
252 RFRAPC
26 26
SPDIF 215
D/A CONVERTER
IC1002
ASDATA0 226 3 SDTI L OUT 11
ABCK 204 2 BICK R OUT 10 R-CH
ALRCK 205 4 LRCK
ACLK 203 1 MCLK
DAC_XRST 221 5 RSTN
A/D CONVERTER
IC1003
ADIN 206 9 DOUT VINL 13
8 BCK VINR 14 R-CH
7 LRCK
6 SCKI
A +9V
COMPARATOR
AC/DC
XVOICE 214
IC7001 CONVERTER
IC7003 (2/2)
COMPARATOR AC/DC
SCORE 198
IC7002
CONVERTER
IC7003 (1/2)
Lt 231
Rt 230
SYSTEM CONTROLLER
IC401 (1/3)
KMOD 213 28 I-MTK_KRMOD
MIC 208 29 O-MTK_MICR
IFSDO 97 45 I-MTK-DATA
IFSDI 100 44 O-MTK-DATA
IFCK 98 46 I-MTK-CLK
xIFCS 99 27 I-MTK_XIFCS
xIFBSY 110 31 O-MTK_IFBSY
OCSW 104 32 I-COM_OPEN
CKSW 103
S002 S001
(CHUCKING) (DISC IN/OUT)
OPTICAL
DIGITAL OUT
TRANSMITTER
OPTICAL
IC651
LOUT
A (Page 28)
L_IN
B (Page 28)
(DH50R: RU, SP, TW, KR, TH/DH70SWR: RU)
MIC_SCORE
(Page 28)
C
R-ch is omitted due to same as L-ch.
SIGNAL PATH
: CD/DVD PLAY
: AUDIO
Abbreviation
KR : Korean model
RU : Russian model
SP : Singapore model
TH : Thai model
TW : Taiwan model
V_MUTE1,
V_MUTE1 V_MUTE2
D
VID_MUTE1 13
V_MUTE2
VID_MUTE2 14
(Page
27)
SDA,
SDA SCL
E
I-CEC_RX_IN 40
SCL
O-CEC_TX_OUT 69
(Page
27)