Sony HCD-EC79 - SECTION 6 DIAGRAMS; Block Diagram - CD, Tuner Section

HCD-EC69/EC79/EC99
HCD-EC69/EC79/EC99
2020
SECTION 6
DIAGRAMS
6-1. BLOCK DIAGRAM - CD, TUNER Section -
OPTICAL PICK-UP BLOCK
(KSM-213DCP)
B
C
D
E
A
F
SP+
SP-
LD
PD
VC
AUTOMATIC
POWER
CONTROL
Q301
FOCUS/TRACKING COIL DRIVE,
SLED/SPINDLE MOTOR DRIVE
IC401
CD-MP3 PROCESSOR
IC101
VO1+2
VO1-
1
IN1
3
SL+
SL-
VO2-12
VO2+
11
IN2’
9
T+
T-
VO3+18
VO3-
17
IN3’
20
F+
F-
CD
MECHANISM
DECK
M1-
M1+
VO4+26
VO4-
27
IN4’
24
MUTE 7
97 FPi1 (B)
94 FNi2 (C)
96 FPi2 (D)
100 TNi (E)
95 FNi1 (A)
98 TPi (F)
91 LDo
MDi
84 VRo
13 DMo
92
12 FMo
10 TRo
9FOo
XO
XI
X102
16.9344MHz
S201
(LIMIT)
CD +3.3V
24
23
IO0 (/HSO)
20
LO CD-L30
RO R-CH27
BUS0 38
BUS1 39
I/O-CD-BUS0
17
I/O-CD-BUS1
18
BUS2 (SO) 40
BUS3 (SI) 41
I/O-CD-BUS219
I/O-CD-BUS3
20
O-CD-BUCK
25
O-CD-CCE
26
XRST
37 O-CD-RST27
O-DR-MUTE
23
I-REQ
24
SBSY
54
O-3CD-M1+
8
O-3CD-M1- 10
M2-
M2+
O-3CD-M2+
11
O-3CD-M2- 12
O-CD-SBSY
43
A
B
MOTOR
DRIVE
Q311 - 318
SW2
SW1
I-3CD-SW1
7
I-3CD-SW2
6
I-STOCK
SW3
I-3CD-SW3
5
I-3CD-STOCK
22
I-CHACK
I-3CD-CHACK
21
I-CLOSE
I-OPEN
I-3CD-CLOSE/OPEN
45
AM/FM-DET, OSC, MIX, PLL, IF AMP
IC801
36
FM RF-IN
8
FM IF-IN
22
MPX-IN
1
AM RF-IN
48
I-TU-DO
57
O-TU-CLK
55
O-TU-CE
56
O-TU-DI
39
I-TU-ANSD
X801
75kHz
2019
XIN
XOUT
16
DI
17
CL
15
CE
18
DO
25
AGC
3
CN801
ANTENNA
FM/AM
1
BAND-PASS
FILTER
FL803
AM
TRACKING
L805
D801
7
AM IF-IN
T801
AM IF
34
FM RF-OUT
FM
TRACKING
L804
32
FM-OSC
FM FREQUENCY
COVERAGE
L803
+9V
11
FM-DET
FM
DETECTOR
L802
3FM-MIX 23FM DET-OUT 12L-OUT
13
R-OUT R-CH
TUNER-L
5
AM-MIX
24
AM DET-OUT
CF801
• SIGNAL PATH
: CD PLAY
• R-ch is omitted due to same as L-ch.
: TUNER (FM/AM)
SYSTEM CONTROLLER
IC301 (1/3)
42BUCK (CLK)
43XCCE
48PIO0
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