Block Diagram - Audio/Panel Section - Sony ICF-DVD57TV Service Manual

ICF-DVD57TV
ICF-DVD57TV
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6-3. BLOCK DIAGRAM – AUDIO/PANEL Section –
DVD LCH
(Page 22)
B
CD LIN
5
INPUT
TU LCH
R LIN SEL L
(Page 23)
D
7 SELECT
TV LIN
SWITCH
9
TV LCH
(Page 25)
F
INPUT SELECT SWITCH,
ELECTRICAL VOLUME,
SURROUND/TONE CONTROL
R-CH : R-ch is omitted due to same as L-ch.
SIGNAL PATH
: DVD/CD PLAY (ANALOG AUDIO OUT)
: FM
: TV (AUDIO)
PLL DATA, PLL CLK,
PLL CE, MUTE
PLL DATA
(Page 23) E
65 RADIO DATA
PLL CLK
66 RADIO CLK
PLL CE
64 RADIO CE
MUTE
63 RADIO MUTE
µ-COM R DATA
29 µ-COM R DATA
µ-COM R DATA,
µ-COM S DATA
µ-COM S DATA,
33 µ-COM S DATA
µ-COM CLK
µ-COM CLK,
34 µ-COM CLOCK
µ-COM LATCH, µ-COM LATCH
37 µ-COM LATCH
RESET
RESET
(Page 25)
G
36 XRESET
V LIN L OUT
VOLUME SURROUND TONE
4 1
CONTROL CONTROL CONTROL
LOGIC
IC302
14 13 19 18
68 67
MAIN SYSTEM CONTROLLER
IC401 (2/3)
SEG0 – SEG15 COM0 – COM3
10 – 25 6 – 9
REMOTE CONTROL SIRCS
LIQUID CRYSTAL DISPLAY
RECEIVER BUFFER
LCD601
IC601 Q401
S659 – 664
S665 – 670
S653 – 658
S652
S651
ROTARY
ENCODER
24 24
17 12
MUTING 13
Q103
R-CH
MUTING
CONTROL
Q302
D103 D102
AGC + +
Q104
R-CH R-CH
A MUTE 78
BUZZER 52 R-CH
STBY 79
D604
LED DRIVE
48 RC TIMER LED 80
Q601
TIMER
D651
LED DRIVE OPEN/
46 KEY0 OPEN/CLOSE LED 30
CLOSE
Q651
D652
LED DRIVE
45 KEY1 AUX LED 31
Q652
AUX
D653
LED DRIVE
44 KEY2 TV LED 32
Q653
TV
LED DRIVE D654
43 KEY3 DVD LED 59
Q654 DVD
D655
LED DRIVE
RADIO
TUNER LED 35
Q655
BAND
40 ENCODE+
41 ENCODE–
75 74 71 70
X401 X402
4.19MHz 32.768kHz
POWER AMP
IC301
L IN L OUT
SP101
3
(L-CH)
POWER
AMP
NF L
SP201
R-CH
(R-CH)
8
STANDBY
SWITCH
Q301
Z
MONITOR ON