Read Sony HCD-XB8K / LBT-XB8AVK / LBT-XB8AVKS Service Manual online
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SECTION 6
DIAGRAMS
PANEL board
TRANS board
SURROUND board
MAIN board
POWER board
CD-B1 SW board
CD-B2 SW board
TC-B SW board
DOOR SW board
CD-LED board
TC-A SW board
HP/MIC board
LEAF SWITCH board
BD board
LED board
CD MOTOR board
TABLE SENSOR board
CD-A SW board
AUDIO board
(including
(including
p
A)
p
A
MOTOR board
Note:
pA is including in AUDIO board.
6-1. CIRCUIT BOARDS LOCATION
FM/AM TUNER PACK
KEY CON board
6-2. BLOCK DIAGRAMS
— KEY CON SECTION —
HCD-XB8K
J761
MIC LEVEL
RV760
MIC 1
3
1
J762
MIC 2
IC1403
6
7
1
2
9
8
5
3
4
9 10 11
Q1401
7 8 9
L OUT
A
MAIN
SECTION
• R CH : Same as Lch
• Signal path
: FM
: MIC
• Signal path
: FM
: MIC
(Page 21)
22
15
MIX
OUT
LPF1
IN
Rch
DATA
CLK
LATCH
K CON
L IN
DATA
CLOCK
STORBE
KEY CONTROL
IC1401
SWITCH
ECHO LEVEL
RV761
IC761
ECHO
LPF1
LPF2
IC760 (2/2)
ECHO AMP
IC760 (1/2)
MIC AMP
09
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