Deck Circuit - Panasonic SA-VK880EE-K Service Manual

18.5. Deck Circuit

1 2 3
SCHEMATIC DIAGRAM - 13
A
K K
DECK CIRCUIT
B
C
CN1301
ERASE HEAD
E
GND / BIAS
LCH
R/P HEAD
RCH
D
E
F
G
WR1903*
+
2
TO MOTOR
- 1
H
1 2 3
4 5 6
: +B SIGNAL LINE : TAPE AUDIO INPUT SIGNAL LINE : AUDIO OUTPUT SIGNAL LINE
C1105 470P
R1103
18K
PBLIN
c
AFGND
C1104
0.027
C1124
1000P C1121 C1107
1000P 1500P
22 21 20
PB PB PB
LIN L NF L EQ LOUT
IC1001
AN7326K
PB/REC PRE AMP PB PB PB
RIN R NF R EQ ROUT
1 2 3
C1224
ERASE 5
C1207
1000P C1221
PBL_IN 4
1500P
1000P
3
PBR_IN 2
GND 1
C1204
K1000
0.027
0
TP
4
PBRIN
R1203
IC1000
18K
C1AA00000612
C1205
AUDIO HEAD SWITCH 470P
TP
6
HEAD
VCC SWITCH GND CTRL1 CTRL2
1 2 3 4 5
L1301
G2ZZ00000044
6 1
5 2
C1318
0.047
RECH1
4 3
R1335
Q1317
1.5K
B1ABGC000005
C1316 C1317
BEATPROOF SWITCH
1000P 1000P
Q1310
B1AAGC000006
B1AAGC000006
BIAS SWITCH
D1301 R1332
B0ACCK000005 10K Q1312
B1ABCF000011
R1337
10K SWITCH
R1345
1K
R1374
Q1316
470
Q1314
2SD09650RA
B1GDCFGH0002
MOTOR DRIVE
MOTOR DRIVE CONTROL
4 5 6
7 8 9
PBLOUT
R1105 2.2K
STAR GND
C1109
50V3.3
19 18 17 16 15 14 13 12
PB ALC TPS REC REC ALC NOR/CRO
VCC
LOW GAIN LIN LOUT TAU SW
CUT ADJ
PB TPS TPS REC REC PB/REC
RIN ROUT SW RF GND
TAU OUT
4 5 6 7 8 9 10 11
R1205
PBROUT
C1209
50V3.3
A9V
9VGND
Q1304
B1GDCFGH0002
INVERTER
Q1303
B1GBCFGH0001
9VGND
INVERTER
Q1309
BIAS SWITCH R1329
4.7K
R1327
4.7K
9VGND
AFGND
MOTOR
MOTOR_GND
7 8 9
135
10 11 12
PB_LOUT
REC LIN
R1110
33K
2.2K
PB_ROUT
REC RIN
R1210
33K
A9V
CN1303
12 9V_GND
11
9V (A9V)
10
TPS
9 PB LOUT
8 PB ROUT
R1314 1K
7 REC
6 REC LIN
5 REC RIN
4 AF_GND
3 MOTOR_9V
2 MOTOR GND
1 MOTOR
SA-VK880EE DECK
10 11 12
13 14
A
B
C
D
1
E
B
TO
MAIN CIRCUIT
(CN2751)
IN SCHEMATIC
DIAGRAM - 5
12
F
G
CIRCUIT
H
13 14