Main (1/2) Section - Sony HCD-DR8AV Service Manual

HCD-DR8AV/W900AV

MAIN (1/2) SECTION

AV SWITCH
IC191
J804
VIDEO 2
6 IN3
IN
J702
DVD VIDEO
4 IN2
IN
J702
VIDEO 1
1 IN1
IN
A
2
46
J701
PHONO
(L IN)
FM/AM TUNER
TUNER UNIT IS
ST-L
SUPPLED AS THE
ASSEMBLED
BLOCK
DECK
B
SECTION
TC PB L
(Page 24)
CD
A
SECTION
CD-L
(Page 22)
J701
MD (L IN)
POWER C
MIC-SIG
SECTION
IC181 SELECTOR
(Page 30,
J701
V1, AU,
32)
12 X0
L-CH IN
J804
V2, AU,
14 X1
L-CH IN
J703
FRONT
15 X2
(L IN)
A B
10 9
46 45
J703
CENTER
IN
J703
REAR
(R IN)
J703
WOOFER
IN
16
VD OUT 10
SOUND PROCESSOR 1
IC101
REC B2 57
REC A2 58
B C
3 5
IC601
45 28
PHONO AMP
L+R 30
3 1
69 IN A2
68 IN B2 BUS OUT2 36
BUF IN2 37
BBB2 38
BBA2 39
67 IN C2
66 IN D2
65
IN E2
Q115
SWITCH
2 MIC IN
LATCH 38
DATA 47
CLOCK 48
X 13 64 IN F2
60 KEY IN2
59 D OUT 2
SUPER WOOFER
72
SURROUND PROCESSOR
IC201
SCK
23
1 L DATA 22
74 LT-IN REQ 24
76 C-IN VOLOUT C 3
77 SL-IN VOLOUT SL 9
79 SW-IN VOLOUT SW 17
80 VRSW-IN
— 25 —
MUTE
SWITCH
Q113
MAIN CONTROL
IC501 (1/2)
Q111
Q112
SWITCH SWITCH
7 DBFB-H/L
34 SW-MODE
38 493-LAT
47 493-DATA
INV
48 493-CLK
Q804
23 PL-CLK
24 PL-DATA 3
F-RELAY
25 PL-LAT
28
INV
28 V_MUTE
45 Q803
45 FUNC_SEL1
46
46 FUNC_SEL0 6
LINE-MUTE
RESET
12
INV INV
IC800
Q801 Q802
D805
RESET
EVER+5V 1 3
GEN
MUTE MUTE MUTE
SWITCH SWITCH SWITCH
Q731 Q281 Q271
J702
VIDEO
OUT
J701
MD OUT
DECK
B
SECTION
TC REC L
(Page 24)
DISPLAY
D
SECTION
SPEANA
(Page 33)
POWER
E
L-CH SIG
SECTION
(Page 29, 31)
POWER
O
SECTION
DBFB
(Page 32)
POWER
G
F-RELAY SECTION
(Page 29, 31)
DISPLAY
F
SECTION
RESET
(Page 33)
REAR-L
POWER
M
SECTION
(Page 29, 31)
CENTER
• R CH: Same as L ch
J704
• SIGNAL PATH
WOOFER
: FM
OUT
: CD
: PB
: REC
: VIDEO/MD
— 26 —