Diagrams; Block Diagram - Main Section (1/2); Block Diagram - Main Section (2/2) - Sony STR-DE235 Service Manual

STR-DE235
4-1. BLOCK DIAGRAM – MAIN Section (1/2) –
J402 (1/2)
VIDEO
L 26
VIDEO
AUDIO IN
R R-CH R-CH
TV/SAT
L 25
TV/LD
AUDIO IN
R R-CH R-CH
J401 (1/2)
MD/TAPE
L 24
MD/TAPE IN
R-CH
R R-CH
CD
L 29
CD IN
R R-CH R-CH
PHONO
30
R-CH
TUNER
28
R-CH
ANTENNA FM/AM TUNER PACK
FM 75Ω
FM-ANT L OUT
COAXIAL
R OUT R-CH
FM-ANT
GND
DATA
S.DATA
CLK
S.CLK
EN1
AM-ANT
S.LAT
PLL DATA
DO
AM-ANT
GND
TUNED
TUNED
STEREO
STEREO
AM
SIGNAL
SIGNAL
TUNER-MUTE
T.MUTE
DET OUT
05
SECTION 4

DIAGRAMS

COM
23
FUNCTION
SWITCH
IC401
COM REC COM
27 20
SHIFT
LEVEL CPU
REGISTER
SHIFT INTERFACE
& LATCH
SC
57 kHz
MUX OUT CIN CLOCKED
4 BAND-PASS 8 7
COMPARATOR
FILTER
RDS DECODER
IC1
– 7 –
DOLBY SURROUND
PRO-LOGIC DECODER
IC300
9 L-IN L-OUT
R-OUT
R-CH 10 R-IN
S-OUT
C-OUT
DATA 46
CLK 47
ENABLE
J402 (2/2)
VIDEO
REC
21 L
VIDEO
AUDIO
OUT
R-CH R-CH
R
OSC1
48
TAPE
REC
22 L
MD/TAPE
REC OUT
R-CH R-CH R
J401 (2/2)
S.DATA
DATA
14
S.CLK CLK
15
S.LAT EN1
13
BIPHASE SYMBOL
CONTANS LOOP
RDDA
DIFFERENTIAL
DECODER
VARIABLE &
DECODER
FIXED DIVIDER
CLOCK
OSCILLATOR
REGENERATION
& CLOCK & SYNC
RDCL
13 14
X1
4.332MHz
DOLBY SURROUND
PASSIVE DECODER
IC301
LS-OUT 23
MUTING
Q363
LC-INB
39
RV421
40 LC-INE
OSC
BASS
41 CR-OT
42 CR-IN
L-OUT 25
–1
MUTING
Q361
41 11 L-IN
R-IN
40 12 R-OUT 24
–2
MUTING
39 13 S-IN
Q362
38
MUTING
Q365
3 DATA
CLK
2
45 4 ENABLE
SYSTEM CONTROLLER
IC201 (1/2)
54
DATA
VOL UP 43
10 S.DATA
CLK
VOL DOWN 42
9 S.CLK
EN1
12 S.CE (LC7822)
EN2
13 S.CE (LV1018)
PLL DATA
11 PLL.DATA
X1 34
TUNED
18 AUTO-STOP
STEREO
19 STEREO-IN
X2 35
SIGNAL
24 SIGNAL
TUNER-MUTE
45 TUNER-MUTE
SP-RLY 21
SURR-RLY 22
PROTECT
16
2 31 RDS DATA IN
16 46 RDS CLK IN
– 8 –
RV404
MASTER VOLUME
REAR
LINE AMP
A
IC302 (1/2)
–4
(Page 9)
RV422 RV423
TREBLE BALANCE
LINE AMP LCH
B
IC404 (1/2)
–1 –1 –5
(Page 9)
RCH
LINE AMP
C
IC404 (2/2)
–2 –2 –6
(Page 9)
CENTER
LINE AMP
D
IC302 (2/2)
–3
(Page 9)
VOLUME
MOTOR DRIVE
IC202
UP UP
3 8
MOTOR
M
DOWN
DOWN
DRIVE
2
7
X201
4.19MHz
SP-RLY
E
SURR-RLY
(Page 9)
PROTECT
• SIGNAL PATH
: TUNER (FM)