Diagrams; Block Diagram - Cd, Tuner Section - Sony HCD-EC69i Service Manual

HCD-EC69i/EC79i/EC99i
SECTION 6
Q Q

DIAGRAMS

3 7 6 3 1 5 1 5 0
6-1.

BLOCK DIAGRAM - CD, TUNER Section -

• R-ch is omitted due to same as L-ch.
• SIGNAL PATH
OPTICAL PICK-UP BLOCK
(KSM-213CDP (EC69i/EC79i: US, Canadian))
T E
L 1 3 9 4 2 2 9 6 5 1 3 (KSM-213DCP (EC79i: UK, Australian/EC99i))
w w w
HCD-EC69i/EC79i/EC99i
CN801
ANTENNA
FM/AM
BAND-PASS
3
TRACKING
1
D801
L804
+9V
FM
TRACKING
L803
FM FREQUENCY
: TUNER (FM/AM)
COVERAGE
: CD PLAY
L802
FM
DETECTOR
CD-MP3 PROCESSOR
IC101
95 FNi1 (A)
A
LO 30
B 97 FPi1 (B)
RO 27 R-CH
94 FNi2 (C)
C
96 FPi2 (D)
D
100 TNi (E)
E
F 98 TPi (F)
BUS0 38
BUS1 39
BUS2 (SO) 40
AUTOMATIC
BUS3 (SI) 41
POWER
LD 91 LDo
BUCK (CLK) 42
CONTROL
XCCE 43
Q301
PIO0 48
92 MDi
PD
VC 84 VRo
FOCUS/TRACKING COIL DRIVE,
S201
SLED/SPINDLE MOTOR DRIVE
(LIMIT)
IC401
IO0 (/HSO) 20
SP+ 2 VO1+ IN1 3 13 DMo
1 VO1- XO 24
SP-
X102
12 VO2- IN2' 9 12 FMo
SL+
16.9344MHz
11 VO2+ XI 23
SL-
T+ 18 VO3+ IN3' 20 10 TRo
T- 17 VO3- SBSY 54
26 VO4+ IN4' 24 9 FOo XRST 37
F+
27 VO4-
F-
MUTE 7
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y
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http://www.xiaoyu163.com
FILTER 36 FM RF-IN FM-MIX 3
FL803
L805
AM
T801
AM IF
1 AM RF-IN AM-MIX 5
34 FM RF-OUT
32 FM-OSC
11 FM-DET
Q Q
3 7 6
A
CD-L
(Page 25)
17
18
19
20
25
26
24
CD +3.3V
43
27
23
u 1 6 3
.
24 24
2 4
8 9 9
8 FM IF-IN FM DET-OUT 23 22 MPX-IN
CF801
7 AM IF-IN AM DET-OUT 24
AM/FM-DET, OSC, MIX, PLL, IF AMP
IC801
16 18 17 15 25 19 20
X801
75kHz
56 48 57 55 39
3 1 5 1 5 0 8 9 2
SYSTEM CONTROLLER
IC301 (1/3)
I/O-CD-BUS0
I/O-CD-BUS1
(EC79i: UK, Australian/EC99i)
I/O-CD-BUS2
I/O-CD-BUS3
O-CD-BUCK
O-CDM-M+/NC 8
O-CD-CCE
O-CDM-M-/NC 10
I-REQ
MOTOR VREF
CONTROL
Q307
I-CDM-OPEN/CDM-OPEN_CLOSE 7
I-CDM-CLOSE 5
(EC69i/EC79i: US, Canadian)
SW351
(CD LID OPEN/CLOSE DETECT)
O-CD-SBSY
O-CD-RST
O-DR-MUTE
m
c o
2
8 9 9
L-OUT 12 TUNER-L B
(Page 25)
R-OUT 13 R-CH
4 9 8 2 9 9
LOADING
BOARD
M+
M-
MOTOR
DRIVER
IC303
OPEN SW
CLOSE SW