DOWNLOAD Sony HCD-XB8K / LBT-XB8AVK / LBT-XB8AVKS Service Manual ↓ Size: 1002.21 KB | Pages: 98 in PDF or view online for FREE

Model
HCD-XB8K LBT-XB8AVK LBT-XB8AVKS
Pages
98
Size
1002.21 KB
Type
PDF
Document
Service Manual
Brand
Device
Audio
File
hcd-xb8k-lbt-xb8avk-lbt-xb8avks.pdf
Date
PREV: Sony LBT-G1 / LBT-G1300 / SS-G1 / SS-G1300 Service Manual

Sony HCD-XB8K / LBT-XB8AVK / LBT-XB8AVKS Service Manual ▷ View online

— 19 —
— 20 —
IC611
R CH
HP101
PB HEAD
(DECK A)
L
R
RV311
PLAYBACK
LEVEL
DECK A
IC601
R CH
L
R
RV301
PLAYBACK
LEVEL
DECK B
3
1
IC602
4
REC/PB
EQOUT
REC BIAS
BIAS OSC
T621, Q621, 622
ERASE HEAD
ERASE BIAS
4
2
B IN
A IN
12
PB-A/B
EQIN
10
11
RV301
REC LEVEL
10
RECOUT
BIAS SW
NORM
CROM
70
120
DOLBY
TYPE B
+7.5V
Q623, 901
RIN
6
PB
19
14
16
17
8
20
PB OUT
LM ON/ 
OFF
BIAS ON/OFF
RM ON/OFF
PB L
REC L
PB A/B
NORM/HIGH
REC/PB/PASS
BIAS ON/OFF
RM ON/OFF
RELAY REC/PB
09
B
MAIN
SECTION
LM ON/OFF
NORM/
HIGH
PAS
DOL
P
R
REC/PB HEAD
(DECK B)
X
DECK PROCESS
DOLBY NR
IC401
HRPE101
RV341
REC
BIAS
24 25
18
NR ON/
OFF
NR ON/OFF
13
S1004
A CrO
2
 
S1008
B CrO
2
 
15
A 120/70
B 120/70
M
CAP M SWITCH
Q405, 407
SPEED
CONTROL
Q651
SWITCH
Q406
RV652
HIGH
SPEED
RV651
NORMAL
SPEED
M1
CAPSTAN
MOTOR
CAP M ON/OFF
CAP M H / L
REEL
DETECT
Q1001
A SHUT
B SHUT
REEL
DETECT
Q1002
S1001 (A PLAY)
+5V
S1002 (B PLAY)
A PLAY
B PLAY
A HALF
S1003
(A HALF)
+5V
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
SWITCH
Q408, 409
TRIG H / L
B TRIG
A TRIG
4
6
5
TRIGGER
MOTOR
DRIVE
IC402
VZ
IN2
IN1
OUT1
OUT2
2
10
M
M2
TRIGGER
MOTOR
BHALF
(Page 21)
• R CH : Same as L ch
• SIGNAL PATH
          : PB (DECK A)   
          : PB (DECK B)
          : REC (DECK B)
R CH
CN403
1
3
— DECK SECTION —
HCD-XB8K
HCD-XB8K
— 21 —
— 22 —
— MAIN SECTION —
— 23 —
— 24 —
HCD-XB8K
• R CH : Same as L ch
• SIGNAL PATH
          : FM
• Abbreviation
  EA: Saudi Arabia model.
  SP: Singapore model.
  IA: Indonesian model.
Rch
Q323
Rch
1
2
4
7
PROTECTOR
IC301
PROTECT
SWITCH
Q301
RY402
OVER LOAD
DET
Q601,651
THERMAL
DET
Q670,671
THP670
1
10
6
13
18
RY401
–1
–2
POWER AMP
IC601
OVER LOAD
DET
Q201
Rch
POWER AMP
IC201
FRONT
REAR
CENTER
DBFB
STK MUTE
R RELAY
D5V
SWITCHED
D5V
SW
Q905
D905
+5V
D7V
A+7.5V
A–7.5V
+5V REG
IC902
+7V REG
IC903
+12V REG
IC904
+12V
ST10V
PRO-LOG 10V
+10V REG
IC905
+7V, –7V REG
IC901
Q907
Q901
VFDP
E,EA,SP,IA
UNREG
–12V
POWER B+
POWER B–
SURR B+
SURR B–
AC
IN
AU/D5V SW
CD POWER
6
1
10
REAR
CENTER
FRONT
FRONT
SPEAKER
TM401
PHONES
J760
Rch
HP / SP
SWITCHING
Q401,405
FRONT
REAR
CENTER
SURROUND
SPEAKER
TM402
6
–1
RELAY
DRIVE
Q404
Rch
FAN MOTOR
DRIVER
Q961, 962
M
UNREG
–12V
M901
FAN
MOTOR
REAR
CENTER
3
1
3
1
1
10
2
9
4
3
1
3
1
RELAY
DRIVE
Q403
RELAY
CONTROL
Q402
MUTE
SWITCH
Q331
POWER ON/OFF
CD REG
Q904
+5V REG
Q906
+7.5
–7.5
EN
V
CC
V
EE
RECT
D901
VF REG
Q941
RECT
D104,105
VOLTAGE
SELECTOR
S501
RECT
D101
RECT
D102
RECT
D302,303
VF
VF
T501
POWER
TRANSFORMER
MAIN
SECTION
D
09
(Page 22)
— POWER SECTION —
— 25 —
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