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HCD-XB88AVK/XB88K
– DECK SECTION –
RV311
PLAYBACK
IC611
LEVEL
DECK A
L
HP101
PB HEAD
R CH
(DECK A)
R
RV301
PLAYBACK
IC601
LEVEL
DECK B
L
REC/PB HEAD
(DECK B)
R
R CH
3 1
IC602
P
R
4
HRPE101
REC/PB
RV341
REC
BIAS
REC BIAS
ERASE BIAS
T621, Q621, 622
ERASE HEAD
X
• R CH : Same as L ch
• SIGNAL PATH
: PB (DECK A)
: PB (DECK B)
: REC (DECK B)
09
S1004
S1008
B CrO
A CrO
2
2
12
13
15
A 120/70
PB-A/B
B 120/70
70
PAS
A IN
2
B IN
4
120
DOL
DOLBY NR
DECK PROCESS
IC401
RV301
REC LEVEL
DOLBY
RECOUT
10
TYPE B
EQOUT
EQIN
11
10
BIAS SW
24 25
+7.5V
Q623, 901
M1
CAPSTAN
MOTOR
BIAS OSC
M2
TRIGGER
MOTOR
– 19 –
PB A/B
CN403
3
R CH
1
PB OUT
8
PB L
LM ON/
20
LM ON/OFF
OFF
NORM/
14
HIGH
NORM/HIGH
NR ON/
18
NR ON/OFF
OFF
19
REC/PB/PASS
PB
RIN
6
REC L
BIAS ON/OFF
16
BIAS ON/OFF
RM ON/OFF
17
RM ON/OFF
RELAY REC/PB
CAP M SWITCH
CAP M ON/OFF
Q405, 407
SPEED
SWITCH
CONTROL
CAP M H / L
M
Q406
Q651
RV652
RV651
REEL
NORMAL
HIGH
DETECT
A SHUT
SPEED
SPEED
Q1001
REEL
DETECT
B SHUT
Q1002
S1001 (A PLAY)
+5V
A PLAY
S1002 (B PLAY)
B PLAY
S1003
A HALF
(A HALF)
+5V
S1005
(REC A)
S1006
(B HALF)
BHALF
S1009
(REC B)
SWITCH
VZ
4
TRIG H / L
Q408, 409
2
OUT1
TRIGGER
MOTOR
M
IN2
6
B TRIG
DRIVE
IC402
10
OUT2
IN1
5
A TRIG
B
MAIN
SECTION
(Page 21)
– 20 –
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