Sony HCD-BX9, Service Manual

Page: 22 / 70

HCD-BX9/DX9
22 22
7-2. BLOCK DIAGRAMS
– TUNER/CD SECTION –
: FM
: CD
• Signal Path
• RCH is omitted
: DIGITAL OUT
FM 75
Ω
G
AM
TM601
ANT IN 1 7 IF OUT
8 OSC OUT
5 VT
FE601
DX9 MODEL
ANT IN 1 7 IF OUT
8 OSC OUT
5 VT
FE603
BX9 MODEL
R601
+B A+12V
Q602
FM 10
FM OSC 15
VT1 IN 18
VT1 17
PD1 19
PLL
IC651
12 FM/AM IF
7 FM
14 AM OSC
2 VCO STOP
8 IF REQ
6 DO
4 DI
5 CL
3 CE
XIN 1
XOUT 24
X651
4.5MHz
RF IF
AMP
Q602
CF601 CF602
DO
DI
CL
CE
1
13
3
4
5 5
12 2
14
15 11
6 7
9
RB641
19 AM MIX OUT
IF OUT 9
AM/IF 12
AM OSC 24
VCO STOP 13
IF REQ MUTE 8
AM RF IN 20
AM OSC 22
V REG
23
FM IF 1
AM/FM IF MPX
IC601
11 L OUT
10 R OUT
BUFFER
Q611
LPF601
LPF
18 AM IF IN
IFT601
16 FM/AM DET
R-CH
A
MAIN
SECTION
3 1
IC681
MUX 4
XO 14
XI 13
2 DATA
16 INT
RDS
IC682
6 TUNED
17 STEREO
3 FM SD ADJ
BX9
MODEL
RV611
XT681
4.332MHz
RDS DATA
21
RDS INT 20
ST MUTE 22
ST CE 25
ST CLK
28
ST DOUT 26
ST DIN 27
STEREO 23
TUNED 24
MASTER CONTROL
IC401(1/2)
DO
CL
CE
DI
DI
OPTICAL PICK-UP
BLOCK
(KSM-213DAP)
A
B
C
D
E
F
LD
VC
+5V
GND
PD
VR
LD
DRIVE
FOCUS
COIL
TRACKING
COIL
09
Q101
RF AMP
IC103
VC 12
A
5
B 6
C 7
D
8
E 11
F 10
LD 3
PD
4
IC102
MOTOR/COIL DRIVE
CH1RO 13
CH1FO
14
CH2RO 11
CH2FO 12
CH3RO 18
CH3FO 17
M
M102
SLED
MOTOR
CH4RO 16
CH4FO 15
M
M101
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 SIGNAL PROC.
D/A CONV.
IC101
DIGITAL SERVO
60 D OUT
RFAC
51
17 RFI
16 RFO
14 FE
13 TE
22 LD ON
21 HOLD SW
RFDC 43
FE
39
TE 41
SE 40
XLON 14
72 L OUT
DIGITAL
OUT
OPTICAL
CD
DIGITAL OUT
IC201
75 R OUT
5 DATA
B
MAIN
SECTION R-CH
L OUT
L-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
CD DATA 33
CD CLK 37
XLT
42
SQ CLK 33
SCOR
19
SQ DATA 32
XRST 43
HOLD 41
TBL ADDRESS
SENSOR
49 T SENS
IC711
48 BU UP/DOWN SW
46 OPEN SW
47 CLOSE SW
44 MTR CNT2
OPEN/CLOSE
S701
BU UP/
DOWN
S711
45 MTR CNT1
MOTOR
DRIVE
9
7
4
2
M
IC701
TURN
MOTOR
M721
(Page 23)
(Page 23)