![background image](http://html.mh-extra.com/html/sony/hcd-gr5/hcd-gr5_service-manual_420711021.webp)
1
4
3
PLAYBACK
LEVEL
DECK A
PLAYBACK
LEVEL
DECK B
2
14
4
5
15
17
8
16
20
21
6
18
19
10
11
27
24
3
13
R-CH
R-CH
IC601
IC611
RV311
RV301
L
R
L
R
HP101
PB HEAD
(DECK A)
REC/PB HEAD
(DECK B)
IC602
REC/PB
A IN
B IN
A/B
ABO
CIN
70
120
A 120/70
B 120/70
PAS/DOL
PB OUT
NORM/
HIGH
Q301
MUTE
Q402
LM ON/OFF
PB L
PAS/DOL
PB A/B
NR ON/
OFF
REC IN
PB
DOLBY
TYPE B
REC OUT
EQ IN
BIAS SW
B OUT
BIAS ON/OFF
RM ON/OFF
EQ OUT
RV301
REC LEVEL
RV341
REC BIAS
CURRENT
P
R
T621,Q621,622
BIAS OSC
REC BIAS
+7.5V
Q623,Q401
X
ERASE HEAD
HRPE101
ERASE BIAS
Q403,407
CAP M SWITCH
Q651
SPEED
CONTROL
NORMAL
SPEED
RV651
HIGH
SPEED
RV652
Q406
SWITCH
Q1001
REEL
DETECT
Q1002
REEL
DETECT
M
S1001 (A PLAY)
S1002 (B PLAY)
+5V
+5v
Q408-410
SWITCH
Q412
SWITCH
Q411
SWITCH
2
10
6
4
5
IC402
TRIGGER
MOTOR
DRIVE
VZ
IN2
IN1
OUT1
OUT2
M
M2
TRIGGEER
MOTOR
TRIG H/L
A HALF
B PLAY
A PLAY
B SHUT
A SHUT
CAP M H/L
CAP M ON/OFF
B TRIG
A TRIG
B HALF
R-CH
CN403
S1004
A CrO2
S1008
B CrO2
RELAY REC/PB
BIAS ON/OFF
REC L
REC/PB
RM ON/OFF
NR ON/OFF
NORM/HIGH
MAIN
SECTION
(Page 19)
B
•
R CH:Same as L CH
•
SIGNAL PATH
:PB (DECK A)
:PB (DECK B)
:REC (DECK B)
IC401
HEADAMP
DOL
PAS
M1
CAPSTAN
MOTOR
DOLBY NR
S1003
(A HALF)
S1005
(REC A)
S1006
(B HALF)
S1009
(REC B)
— DECK SECTION —
6-2. CIRCUIT BOARDS LOCATION
BD board
AUDIO board (including
p
A)
Note:
p
A is including in AUDIO board.
TCB board
(AED, UK, G, EE, JE)
FM/AM TUNER ENCAPSULATED COMPONENT
(EXCEPT AEP,UK,G,EE,JE)
MAIN board
TRANSFORMER board
PANEL board
HP board
JOG board
LOADING board
LEAF SWITCH board
– 23 –
– 24 –
p
A
MOTOR board
• Abbreviation
G
: German model.
EE : East European model.
JE : Tourist model.
HCD-GR5/RX50