DSC-F77/FX77
COVER
COVER
4-38
For Schematic Diagram
• Refer to page 4-53 for printed wiring board.
ST-78
4-37
4-2. SCHEMATIC DIAGRAMS ST-78 BOARD
4-2. SCHEMATIC DIAGRAMS ST-78 BOARD
The components identified by mark 0 or dotted
line with mark 0 are critical for safety.
Replace only with part number specified.
NO MARK:REC/PB MODE
0
0
0
0
190
C105
0.047u
1M
R106
47
R105
1M
R107
CY25AAJ-8-T13
Q102
8
4
1
7
6
5
23
10u
C101
LND102
LND104
LND103
R103
2700
R102
27k
C103
1u
R101
47
C102
0.01u
T101
1
2
3
4
5
6
R104
270
D101
MA2S111-(K8).SO
Q101
2SB1073-R-TX
330V
42u
C104
LND101
LND105
ST_GND
10P
CN101
1ST_UNREG
2ST_UNREG
3PRELAMP
4M_5V
5REG_GND
6REG_GND
7STB_ON
8STB_FULL
9ST_GND
10ST_GND
1
A
1.5k
R108
HAU160C030TP
D103
TLOH9202(SONY)
D102
1
23
4
5
6
XE_K(L)
XE_A(H)
TRIGGER
GND
35269487
XX MARK:NO MOUNT
ST-78 BOARD
05
D
F
B
C
E
FLASH UNIT
(SELF TIMER/AF ILLUMINATOR)
FLASH DRIVE(ST BLOCK)
CN351
SS-173 HARNESS
(PAGE 4-26)
THROUGH THE
(9/13)
SY-81
TRANS DRIVE
TRANS
DC/DC CONVERTER
CHARGING
CAPACITOR
FLASH SWITCH
L101