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

ICF-DVD57TV
ICF-DVD57TV
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 4
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
µ-COM R DATA, 29 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
SEG0 – SEG15
V LIN L OUT
VOLUME SURROUND TONE
1 17
CONTROL CONTROL CONTROL
LOGIC
IC302
14 13 19 18
AGC
Q104
R-CH
68 67
MAIN SYSTEM CONTROLLER
IC401 (2/3)
COM0 – COM3
10 – 25 6 – 9
REMOTE CONTROL SIRCS
LIQUID CRYSTAL DISPLAY
RECEIVER BUFFER 48 RC
LCD601
IC601 Q401
S659 – 664
46 KEY0
S665 – 670
45 KEY1
S653 – 658
44 KEY2
S652
43 KEY3
S651
ROTARY 40 ENCODE+
ENCODER
41 ENCODE–
24 24
POWER AMP
IC301
L IN
12
POWER
AMP
NF L
13
MUTING
Q103
R-CH 8
MUTING STANDBY
CONTROL SWITCH
Q302 Q301
D103 D102
+ +
R-CH
A MUTE 78
BUZZER 52 R-CH
STBY 79
D604
LED DRIVE
TIMER LED 80
Q601
TIMER
D651
LED DRIVE OPEN/
OPEN/CLOSE LED 30
Q651 CLOSE
Z
D652
LED DRIVE
AUX LED 31
Q652
AUX
LED DRIVE D653
TV LED 32 MONITOR ON
Q653
TV
LED DRIVE D654
DVD LED 59
Q654
DVD
D655
LED DRIVE
TUNER LED 35 RADIO
Q655
BAND
75 74 71 70
X401 X402
4.19MHz 32.768kHz
L OUT
SP101
3
(L-CH)
SP201
R-CH
(R-CH)